View source for RBG-34-917, Radiological Environ Operating Rept,Jan-Dec 1990

{{Adams
| number = ML20073H363
| issue date = 12/31/1990
| title = Radiological Environ Operating Rept,Jan-Dec 1990
| author name = Harrington M, Odell W, Reed M
| author affiliation = GULF STATES UTILITIES CO.
| addressee name = 
| addressee affiliation = NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
| docket = 05000458
| license number = 
| contact person = 
| document report number = RBG-34-917, NUDOCS 9105070087
| document type = ENVIRONMENTAL MONITORING REPORTS(&amp;RADIOLOGICAL)-PERIODIC, TEXT-ENVIRONMENTAL REPORTS
| page count = 55
}}

=Text=
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A GULF STATES                      UTILITIES                     COMPANY
                          , ,    -r      ..,m.i,,-  .                       a og,     : , r,     , , . .      . ,
April 30, 1991 RIG- 34,917 File Ibs. G9.5, G9.25.1.5 U.S. Nuclear Regulatory Ccnmission Document Control Desk washington, D.C. 20555 Gentlenen:
River Bond Station - Unit 1 Docket No. 50-458 Enclosed is the Annual Radiological 111vironnnntal Operating Report for 1990. 'Ihis report is submitted in accordance with Subsection 6.9.1.7 of Appendix A ('Ibchnical Specifications)                       to River Ivmd Station License Ntrnber NPF-47.
Sincerely,
                                                                           ,f5h y!n,      ,r 0 ftet-     W. H. Odell Manager - Oversight River Dend Nuclear Group
             . J
               ' /WJi/pj Enclosure cc: Mr. Robert D. Martin, Regional Adntinistrator U.S. Nuclear Regulatory Ctmnission 611 Pyan Plaza Drive, Suite 1000 Arlington, TX 76011 l                   NRC Resident Inspector l                   P.O. Box 1051 St. Francisville, IA 10775 l
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e    i RADIOLOGICAL 1:NVilt0NMI;NTAL Ol'l: RATING REl' ORT ltlVER llLND STATION FOR Tile OPEllATING Ptit10D Januar y 1           1990 - December 31, 1990 Cornplied by:
                                      .- ,,,.AA2. I McGehee Reed Rad. Environmental Analyst Edited by:                                                               Reviewed by:
                                                     \
l       ^
t Michael A. Harrington
                             .,        h..
l Edwin M. Car gikT Y           ~~_ - . -
Supvr. - Envitonruental Services                                         Director - Itadiological Programs Approved by:
y  b Philip 'D    Graham Plant Manager

RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATINO rep 0RT POR 1990 Ahrtirsi i
During 1990, a land use census and radiolosleal environmental monitoring were conducted in the vicinity-of River Bend Station (RDS). As part of the monitoring program, the RBS Environmental Setvices Group participated in an interlaboratory comparison. program with 97.4 percent of analytleal results within control limits.       The land use census revealed 4 salient chances in receptor: locations since 1989, and the census was expanded to add meat animal receptor locations wlthin the 8 km range.                           Seventeen monitoring exceptions occurred out of a total effort of 1754 samples collected and 2339 subsequent analyses performed.        Fourteen c of these exceptions -involved Technical Specification requirements, although none had significant impact on program quality. . Although well below the required detection limits, slightly elevated (relative to baseline data) levels of Cesium-137 were sporadically measured in Eboth Indicator and cont rol , media; these concentrations were presumably attributable to the'1986 incident at Chernobyl, Russia. The orily measurable increases. In radionuclide activity or levels of radiation attributable to plant operation, in the vicinity of RBS during 1990, appear 4
                      -to.have been expected low levels. In the 11guld discharge line and traces of airborne I-131 due to small amounts of failed fuel -in the boiler-reactor,                            i The levels of activity measured in airbornr. media and in the 11guld discharan were below the required LLDs .and. hence substantially belon Technical Specification reporting levels.         Thus the 1990 Radiological Environmental Monitoring Program substantiated the adequacy of source control and effluent                          ,
p                        monitoring at River Bend Station.
1.
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I HlVER llEND STATION                                                                      ,
RADIOLO0lCAL ENVIRONMENTAL OPERATING REPORT FOR 1990 1611LLE MN1 Hill Page 1.0 I NT R O DU CT I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                                 1 2.0 RADIOLOGIAL ENVIIt0NMENTAL MONITORINO PROGRAM (REMP) ..............                                                                                            4 2.1 Purpose /Dases .............................................                                                                                       4 2.2 Environmental Radiation Expor.ure Pathways .................                                                                                       4 2.3 Land Use Census for 1990 ..................................                                                                                        $
2.4 ' Interlaboratory Comparison Pr ogram Result s for 1990 . . . . . . .                                                                             12 2.5 Program Exceptions ........................................                                                                                       12 3.0 INTERPRETATION OF REMP RESULTS ...................................                                                                                            15 3.1 Summary of Operational REMP Results .......................                                                                                       15 3.2 Comparison of Operatlonal and Daseline REMP Results .......                                                                                       20 3.3' Comparison of REMP Results with Operatlonal Controls ......                                                                                      22    '
           . APPENDICES A.                 Listings of 1990 REMP Resilts i
11 .               Summary of Preoperat ional REMP_ (llaseline) Results 1
11

E           .             i.                                                                                                                                                       ,
l RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT FOR 1990 l
LL6L9LE1.@RCS Page Figure 1.                    Far-fleid Radiological Environmental Monitoring Locations ....................................                                    2 Figure 2.                    Near-field Radiological Environmental Monitoring Locations ....................................                                    3 r
LIST OEEELS Page Table l1.                    Radiological Environmental Monitoring Program ...........                                    6 Table 2.                     Results of: Land Use Census .............................                                   11
,                            ' Table 3.                     U3 EPA Intercomparison (Cross-check) Program Participation Results for 1990 .........................                                    13                            .
: Table 4'.                    Monitoring Program Exceptions-in 1990 ................... i4 Table 5.                     Radiological Environmental Monitoring Program Summary .................................. ..............                                   16 Table 6..                  ' Summary Comparison of Liquid Effluent-Quantitles/ Concentrations and REMP Discharge Line Monitoring Results ................................                                    23 f
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                                ..                 e RIVER BEND STATION
                                            , _ , _ _         RAD 1QLO_01 CAL ENVIRQEM6L OpIMlF0_ rep 0RT_ [Q11 1990.
1.0:     IFlBQlEC11gh This Annual Radiological Environmental Operating Report for the period of                                                             :
January 1 through December 31, 1990, la submitted in accordance with Technical                                                                   '
Specification 6.9.1.7 of Appendix A to River bend Station License Number NpF-47.
River Bend Station (RBS) is a 936 MVe General Electric boiling water reactor located in West Feliciana_ parish, Louislana, 4.1 km southeast of St. Francisville                                                              3
                                           -(Figure 1). -Waste heat from RBS is dissipated via a system using four mechanical draf t cooling towers which draw makeup water f rom the_ Hississippi River, 3.3 (air) km to the west._ Blowdown from the normal cooling tower system dilutes low-level liquid radioactive waste and is discharged to the Mississippi River through a 4.4-km buried pipe located downstr eam of the intake structure (Fig. 2).                                                        Gaseous radioactive ef fluents are released through the main plant exhaust - duct, t he fuel                                                              ,
building exhaust duct, and the radwaste building exhaust duct.
The area within a 16-km radius of RBS includes substantial portions of' West Feliciana, East Feliciana, and pointe'Coupee parishes, as well as small portions of East.and West Baton Rouge parishes. Most of the land in this area is devoted, in about equal proportions,' to forests and agriculture (pasture, verlous crops).
Wetlands, streams / takes, and urban / improved lands comprise the remainder of the immediate vicinity of the plant. - Besides St. Francisville, (4.1 km northwest),
human population centers near RBS are New Roads (10 km southwest) and Jackson (12 km northeast)._ Industrial f acilities in the immediate vicinity of RBS are Lambert Redi-Mix Company (1.8-km north-northeast); James River Corporation paper -Hill (5                                                             'i km south)l Big Ca.lun No. 2 power Station (5 km southwest); and the Coips of Engl-neers concrete casting yard (5 km west).
The area within an 80-km radius of RBS'contains all or portions of 19 Loul-                                                         _;
sinna parishes .and . five Mississippi counties. This area has generally the same
                                           . makeup as that of the immediate vicinity of RBS, although wetlands, agricultural
                                           . lands, and urban / improved lands are relatively more extensive (at the expense of
                                           .foiested lands) in the southwestern and southeaster n quadrants. _ Baton Rouge,            -
centered at, about._38 km_ southeast, is the _only large city _ in the general vicinity of RBS.
During 1990, radiol _ogical environmental monitoring in the v.icinity of RBS was Lperformed 'by' the Gulf _ States litilities Companv-(OSlf) Environmental Services Group
_with support from the Plant- Staf f ~ - Radf ulogical programs Section in maintain-Ing/ calibrating air samplers and in reading / annealing thermoluminescence dosimeters.                                                         -
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RIVER BEND STATION RADIOLQQ1.Q&g,fNVIRONMENTAL OPERATING REPORT EQR__1190 2.0     RADIOLQQlCAL ENVIRONMENTAL MONITORING PROGRAM (RbfP) 2.1                           PurD2se/ Bases i
The Radiological Environmental Monitoring Program (RDIP) was established to e                    provide representative measurements of radiation and- of radioactive materials, resulting from RBS operation, in those exposure pathways and for those radionuelIdes that lead to the highest potential- exposures of members of the public.                                                                                                                                       The RDiP implements- Section IV.B.2 of Appendix I of 10CFR50 and thereby supplements the radioactive effluent monitoring program by verifying that the measurable concentra-tions of radioactive materials and levels of radiation are not higher than expected
                    - on the -basis- of the effluent measurements and the modeling of the environmental-exposure pathways.                                                 .
The REMP applies the concepts of indicator vs. - control and preoperational vs. operational intercomparisons to verify the adequacy of source controls and resultant human radiation doses. In addition to 100FR50, Appendix 1, the program i                     is based on guidance provided in the Nuclear Regulatory Commission's Radiological Branch Technical Position, Revision 1', November 1979, as well as NRC Regulatory Guides 4.1 and 4.15, 2.2                           Environmental Radiation Exposure Pathways Elemeats of the RDiP monitor indications of the impacts of gaseous (airborne)                                                                                                                                                                             ,
and liquid effluents released from River Bend Station.                                                                                                                                The specific methods used in monitoring. the pathways by which these effluents could lead to human exposure, based on existing. demographic information, are:
HUMAN EXPOSURE PATHWAYS (A)                          ' Airborne Pathway                                                                                                     MonLLati nn Media
                                                           - Immersion Dose (external)                                                                                            Air Samples (Particulates and Radiciodines)
                                                           -Ingestion Dose (internal)-                                                                                            Vegetation / Food Crop Samples
                                                                                                                                                                              - Air. Samples                                                    _
                             .(B)                           Direct T,xposure Pathway                                                                                         - M2nitorinn Medi.g External Dose                                                                                                         Thermoluminescence Dosimetry (TLD) Area Monitors l-                                                                                                                                          4; g  -N'=T'v'767-*Y     wr     ge v'sermaa-=P'-'1*ge'7y--y      -ar,s.g-er3.,q-g_ew.g     me--p.e4.mu.q.-g#y.--wm-      e y q .ps .a .ew9,4a    -+my w..qw-pt,g,wSe,e-mis,.w.,%e,m,-e w 44myevy.sg.m-elui.-,g r.p ypm      -p-w----  w--ggs,,vr   q,ggamy,.ygi ' u w e r-Ty g -s-.t1.ww

        - - - . -                                       . - - - - . - . - - . - - _ . - -                                                      - - - . - . ~ . _ .
RIVER BEND STATION RADlQLQQICAL ENVIRONMENTAL OPERATING REPORT POR 1990 (C)     Vaterborne Pathway                                              Monitorinn Mesj.i.a Ingestion Dose (internal)                                       Surface Water Samples Groundwater Sample Drinking Water Samples Fish / Invertebrate Samples Shoreline Sediment Samples Immersion Dose (external)                                       Surface Water Samples ._
Shoreline Sediment Sampics Site-related dispersion characteristics, demography, hydrology, land use, anticipated source terms, and the exposure pathways outlined above were considered in the selection of the sample media, campling and. analysis frequencies, sam-pling/ measurement-locations, and types of analyses. These criteria were used to establish both the-preoperational and operational phases of the RDIP.
The program that evolved during the preoperational 'oaseline) monitoring                                       l phase incorporates all of the elements in the RBS 'rechnical Specifications (3/4.12.1, 3/4.12.2, 3/4.12.3) plus special study criteria, and is illustrated in Table'i and Figures 1 and 2.
2.3 LLnnd tise Qgpsus'for 1990 The 'arinual land use census .was conducted during the 1990 growing season in accordance with RBS Technical Specification 3/4.12.2. Table 2 summarizes the results-and notes changes in nearest receptor locations within 8 km f rom those identified in the Radiological Environmental' Operating Report for 1989.                                                            !
The 1990 ' census identifled residences within 8 km - of the RBS renEtor -
containment.-In all _ sectors except L (SW) and M (WSW). The nearest resident in sector'' M (WSW) was . beyond 8 km In 1990 versus.-4.3 km' in 1989, and the nearest resident ~1n sector P (WNW).was at 3.7 km in 1990 versus 4.1 kai in 1989.~ In sector-E (E), the garden identif f ed in 1989 was discontinued, and in sector 11 (SSE) a new                                               -
garden was established for 1990 : The gardens identified in sectors P (WNW) and Q-
                           - (NW) are- the onsite gardens established in the sectors with the highest catculated annual average ground : level -D/Q. These gardens are REMP. indicator' locationsfor
                           - broadleaf vegetation (Table 1,. Fig. 2).
No dairy ~ animals were found w'ithin 8 km of RBS during the 1990_ census.
                           ' llistorically, there had never been enough dairy sites to accommodate the minimum
                           ~ RBS Technical- Specification requirements for analysis of milk (3 locations.within              -
l5.km), so monitoring of broadleaf vegetation has.been performed from.the outset.
OSLI_ began a survey of meat animals within the 8 km radius of RDS during the-1990 census.. This _ initial survey identified beef herds in-all sectors except.L
                            -(SW).
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4 RIVER IlEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT l'OR 1990 TA11LE 1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (Page 1 of 5)
Exposure Pathway                          Sample Point Description.                                         Sampling arni                              Type and Frequency Alldistr JanDit_                         Dia1anch And p.itn G 12!t.                               CRlitG119tLEI2Wt11Cy                                  . O f AtuLhph, Airborne                                  samples from 9 locational Patticulates and Radiolodines                                    INDICATOR STATIONS Ad. River Bend Training                               Continuous air Aampler                             Charcoal cartridgel Center; 1 7 km N.                                         with filter collection                             analysis weekly for weekly or au required                              radiciodine.
by dust loading. which.                            farticulate filtert ever in more frequent.                             analysis weekly for Stone beta and gamma tuotopic activity (3) following filter changes.
Compoalte particulate filters        analysta Adl. River bend Station                                                   "
quarterly for gamma North Access Road acrona from                                                                                lootopic activity, plant entrancei 0.6 km NNW.
APl. Near River Bend Station                                           "                                               "
Onsite Carden #1; 0.9 km WNW.
AQS2.                                                                     "                                               "
St. Francia Substation on US Hwy. (Bus.) 61 in St.
Franciavllle; 5.5 km NW (nearest community location).
CONTROL AND SI'ECIAL INTEREST STATIONS (1)
A1.C . Parlange Power Center                                              "                                              "
in Oscar; 20 km SW (Control).
Atl. Itiver Bend 8tation cooling -                                     "                                              "
tower yard; 0.6 km NNE. (2)                                                                                                                    '
AKS. River Bend Station River                                          "                                              "
Access Road;_2.8 km SSW.,(2)
ACS. CSU 5ervice Center compourut                                      "                                              "
in Zachary; 17 km SE. (2)
Alt h . -koof-of CSU Offlec Building,                                      "                                              "
l-                                                            North Blvd., Baton Rouge; 40 km i                                                             855. -(2)
I' Direct Radiation-                        Measurements from 44 locationat INDICATOR-STATIONS' TAl. River Bend Training                               Thermo ttaminescence                               Camma dose monthlv Center; 1.7 km N.                                        . domineters -(TLpa);                                and quarterly. (3) deplopment/ retrieval-monthly and quarterly. (3)
TA2. CSU Utility pole $246                                             "                                              "
                                                          - at Jct. of La. ilwy.-10 and West reliciana Parish Road (WF) 2 in Elm Park; 8 km N.-
                                                          - tdt.- River Bend Station cooling.                                           "                                              "
tower yard; 0.5 km NNE.
TB2. Stub pole at Jct. La. Hwy.                                        "                                              "
: l.                                                           965 and Audubon Lane (WF 17);
5 km NNE.
r t
7C1.      Stub pole a' Jet. . U$ Hwy. .                                                                                    "
l-                                                           61 and Old liighwuf 611 1.7 km NE.
TC2. Stub     le along La. Hwy. 966                                    a                                              "
                                                          . 0.6 km S. o Jct. La Hwys. 966 and 9651 7 km NE.
TDI.                                              150 m                     "                                             -"
: 8. of .Jct.
stub kT tmle     along 7 arx1    U$WI  Hwy. 7, 61; -
1.6 km ENE, 6.
               , ,           . - , - - w---        , ,     n,    .,            v.--,              r,-.,~        .re. w  n,,w       , ,m-w.- --,+-,n.--       n,.n.--~.-        ar-..-+..-.--.---.-;~.----

     - _ - ~ . . - . - - . - . . . . - _ . - . - - - - - - . . - - _ - . - -                                                                 - - - _
RIVER DEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT POR 1990 TAllLE i RADIOLOGICAL ENVIRONMENTAL MONIT0ltlNG PROGRAM (Par,e 2 of 5) trposure Pathway                   Sample Point Descriptlun,                      6ampling and         Tyge and itequency
                    .AtidLkt 30ap,lt                     ll1AintlCtatiLilittEllD(L              CulltClintL.llituutitty    _DLt.In&lysta__,
Direct Radiatton                   TD2. 8 tub pole along 1.a.               Thet moluminenrence        Gamma do#4e monthly (continued)                        Hwy. 966. 4 km S. of Jct .               doetmeters (TLDa);         and quart erly. (3)
La. Hwys. 966 and 9654 6.3               deployment /tetrieval km F.NE.                                 monthly and quarterly. (3) 721. Stub pole along WF 7                                "                    "
i km B. of Jct. WF 7 and US Hwy. 611 - 1.3 km 8.
ft2. Cratal Power Center on La.
Hwy. 66, 2 km N. of Jet. 1.a. Hwys.
68 and 9641 10 km 2.
TF1, stub twile along WF 7 1.6 km                        "                    "
: 6. of Jrt. kr 7 and US Ilwy, 61; 4.3 km tst.
TF2.      Or. La. Hwy, 954. 0.6 ks N. of Jet. La. 954 and U6 Hwy. 61; 6 km 1:ht.
Tcl. Stub pole along WF 7. 2 km S.                       "                    "
of Jct. WF 7 and US Hwy. 61; 1.6 km St.
TC2. Telephone Imle at gate to                           "                    "
Marathon Tank Farm on US Hwy. 61 near Delombrel 7.5 km St.
Titi. 8 tub pole at Illinois                             "                    "
Central Culf RR croneine of WF 7 (near Cranta bayou); 1.7 km Est.
TH2.      First telephone pole on La.                    "                    "
Hwy. 964 N. of entrante to James River Corporation paper mill!
5.5 km sst.
TJ1. Stub pole near Itiver Bond                          "                    "
Station gate 823 on La. Hwy. 965; 1.5 km 8.
TJ2.      Large tree along River Road.                                        "
100 m N. of James River Corporation intake structureg S.8 km 8.
TKl . - CSU utility pole 8L10174 on                      "                    "
La. Hwy. 965. 20 e 8. of R86 River Accean Road; 0.9 km asW..
TK2. Stub pole at Jct. La. Ilvya.
414 and 415; 6 km BSW.
TLt. second utility pole on La.                           "                    "
Hwy. 965 8. of former ICG RR l                                                      crossing; 1.0 km $W.
TL2. Secogni utility pole along La. Hwy. 415 E. of Loutstana and                      '
Athaname RR croaning incar Patin's Dthe);-9.5 km $V.
TM1.      First utility pole on La.                     "                    "
Hwy. 965 N. of former ICC RR
!                                                      crossing: 0.9 km WSW.
TH2, Utility pole along La. Hwy.                        "
* 981, about 3 km S. of Jct. La.
l-Hwyn. 961 and 10; 4.2 km kSW.
l ll-                                                    TNI.      Utility Dole along La. Hwy,                   "                     "
l                                                      965, between Rbs gatea $13 and #14, i                                                      0.9 km W.
l.
TN2. Utility pole with electrical                       '"                   "
[
i-meter near vest bank ferry landing
[                                                    - ( La . Hwy . 10); 6 km W 7
y e       ..          -               -.- _ - _ _ _ _                                          - - - - - - - -

RIVER llEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REP 0ltT l'Olt 1990 TAllLE 1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (Page 3 of 5) 2xposure Pathwav                                      Sample Point Description,                  8an,giling and         Type and frequency
                           .Aldl9EJtdRL                                         .MA1A11ERM.l!1LtEt12tL                  CulltEuu!LhtWtut!
_ stl.Attelyfts _
Direct Rattiation                                   -- T P l . Nemr River Bend Statton       Thermoluminescence         Gamma done monthly onette Garden it; 0.9 km WNW.           doalmetera (TLDs)!         and quarterly. (3) deployment / retrieval monthly and quarterly. (3)
Stub pole ebout 1.8 km N,                  "                       "
TP3 of former 100 RR trestle on Tunica Street. Sentern outaktrte of St. Ptr.nclaville; f.3 km WNW.
TQl. C$U property sign along La.                    "                       "
Hwy. 96$ atout 1 Km N- of RBS hurth Access houd; 1.4 km NW.
702. CBU gole at Jet. of North                      "                       "
Commerce and American Beauty Streeta, St. Franctsvillel 6.9 km NW.
TRj. RB8 North Accome knad acroes from             "                       "
plant entrancel 0 8 km f4NW.
TR2.                                     rwot "acockTree Road,along aboutnorth 1.8 kmside of VF
: t. of Jet,2 kr 2 alwl US Hwy. Gli 8 km NNW.
CONTROL AND 6PECIAL INTEREST STATIONS (1)                                           s TAC. Telephone pole along US Hwy. 01            "                       "
about 200 m N. of Hamilton Station Water Tower, near Wakefieldt 18 km N.
TEC. Stub tote at Jet. of La.                   "                       "
Hwy. 955 and Midway Road      4.6 to N. of Jct. Le e Hwys. $$$ and
                                                                                $G41 10 km E. (2)
TLC. Parlange Power Center in O part 20 km $W.                                                                      ,
705. Utility pole at gate to tant               "                       "
Louisiana State Hospital in Jacksoni 12.3 km NE.
TGS. 05U Service Center comimund in-Eacharyl 17 km St.
THS. Roof of GSU Office Build-                  "                       "
ing, North Blvde. Baton Rouse; 40 km $5E.
TKE. 'RBS River Access Road!
2.8'km SSW. (2)
_TLS. Utility polo near false River                                          "
Academy algn at edge of New Roadal-9.9 km SW.
TQSl.- -Behirut Pentecostal Church --               "                       "
(opposite West Feligiana Hospital) near Jct. US Hwy. 61 and Ferdinand Street 1 4 km NW.
TQb2. St. Francia Subbtation on                     "                       "
US Hwy. (Busineam) 61 in St. Francia-ville; 5.8 km NW.
7053. Utility pole at Louiniaria                    "                       "
State Penitenttary dairy, near
                                                                               . Angolan 35 km NV.    (2)-
TRS. Stub pole at Jct, of WF 2                  "                       "
and US Hvy. 61, near baina (West Feliciana High School); 9.2 km NNW.     (2) 8

   . _ - . -~                       _ - -.- - - .- - -                                                                            . - - - -                 . - . - . - - -
RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT FOR 1990 TABLE 1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM                                                                I (Page 4 of 5)
Exposure rathway             $ ample point Depeription,                                      $amplingt and                          Type and f r equency and/or Sa d L              A 1Ab h ant.fi1 M u1L                              C911K110tLif.trunne.y                                ,_91 ADAl%EED Waterborne                            SORFACE WAttk (4) 3                                               $WU.         Hlasiaalppi River                     Weekly graba composited                             Monthly coepoaltet about 4 ks. upst reas f rom                        over monthly ani                                    gamma tootopic,           J the Rbs 11guld discharge,                          quartetty perioJ0.                                  tritium (3) and near I.a. Hwy. 10 ferry                                                                                beta  analyala ($grona
                                                                                                                                                                            ).    ,
oronning.                                                                                              Quarterly ctoposet&t      <
tritlum analyals.         ;
SWD.         Himalanippi River about 4 km downat roam f rom RBS liquid discharge, near paler mill.
D t. . Rhs liquid dincharge line                                                                                      "
Hourly graba compoalted line at blowdown control                           monthly and quarterly, structure along Rivet Acevas Road.
l.RINRINC WATER (G)
Nearest downstream water                           Weekly graba compoalted                             Hunthly c<mponite t supply              IH-10 bridge in                over monthly and Daton Rouge. 53.9 km down.                         quarterly periods.                                  fammaluotopicdgross ritium (3) an atteam from RBS liquiti dia-                                                                           beta analyala (6),
charget people's Water sera                                                                            Quarterly compositet vice Company in Donaldsonville,                                                                        tritium analyala.
13h river km downstream from kB5 liquid discharge.
CROUNDwATER WD.        Upland Terrace Aquifer                  Quarterly grab.                                     Croar. beta, gamma well downgredient from plant,                                                                          isotopio and trattian about 470 m SW.                                                                                        analyaec quarterly. ($)
WU.        Upland Terrace Agulfer                                                   "                                "
well upgradient from plant.
about 470 m NN5 (controll.
                                                      -5HORELINE 6tD1HENT SEDD. East shore of Hinsin-                        f,emiennual grab.                                   Gamma isotopio analyala alppi. Rivst about 4 km downs                                                                          nomiannually.
stream from plant near paper mill.
S t:DLf. East shore of Hients.                                                      "                                "
sippi River about 4 km up-stream tros plant Hwy, 10' ferry. ($)neart.a.
Ingestion                          F15H AND INVERTtBRAft$
FD.        One sample of each of'                  8emiannually or                                     Gamma taotopic snalyata three commercially and/or rec-                    acanonally when                                      on edible p rt(swl neu - ,
reationally important specien                     available.                                           cnntLlly or measonally.  -
from downstream area influenced by RBS liquid discharge. (7) l'U. ' One- aample of each of                                                       "                                "
three commercially and/ or rec-reationally impurtant apecisa from upatream ases not intluen-ced by RDS llgold discharge i                                             .(control).                  8.s PRODUCE (8)
C1/C2. Two samples of each of                      Hunthly during growing                               Camma isotopic and three different kinds of leafy                    meanon.                                              1-131 analysea vegetables from onsite gardens                                                                          monthly.
near the alte boundary in areas of highest calculated avetage fround-levelD/Q;                I km WNW and
                                                  .1 km NW.
l-                                             GQC.          One sample of each of *hree                                            "                                "
i                                              different kinds of leaf y vegetablea
: l.                                             from 1.a. State Penitentlary at l:                                             Angola; 35 km NW (control).
9 e
i l
l t
       ,      ,   _c     . _.. ,. .               - _ _ . _ . , _ - _ _ .___._                 _ . . - - . - , - . - . - - , - . - - . ~ . . . _ _ _ _

RI'!ER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT 00R 1990 TABLE 1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (page 5 of 5)
EDIIS_t (1)          For purposes of data summary, comparisons, and discussion, the sampling locations designated as "Special Interest" are treated as indicato stations if they are within 16 km of RBS and control stations if they are beyond 16 km.
(2)          Sample / measurement location not required by RBS Technical Specifications--(not identified in ODCM).
(3) -Sampling and/or analysis frequency greater than required by RBS Technical Specifications and ODCM.
L(4)           The upstream (control) sample is taken at a distance beyond
                                                           - influence of _ the plant . discharge. The downstream (indicator) sample is taken in an area beyond but near the mixing zone.
(5)          Gross beta analysis not required by RBS Technical Specifications and ODCH.
(6)          Drinking water sampling / analyses not required by RBS Technical Specifications aad ODCM. (No drinkina water pathway exists
                                                           'due to extreme distance to nearest intake). The upstream surface water sampling location (SW) is used as a " control"                                                      .
for drinking water analyses comparisons.
(7)          Preferred species are river shrimp (tlEGlatEhlm Alt 19nc), blue
                                                           ' catfish (1s13h}gs h1LCA11ts), and f reshuter drum ( Aplodinginti gLunnieng); if. these are unavailable, other edible species may-be substituted.-
(8)          No irrigation pathway exists due to t.he extreme distance of nearest domestic water intake (see Note 6);. leafy vegetables are- sampled and analyzed because -of limited availability -of milk samples.
10-
_ . - . ~ . . . . _ . . _        ,      .,___-.._u-              -,     _. , , _ . - _ , _ . . _ _ , .                    - _ _ . . _ . . . _ _ _ _ _ _        __         .a

RIVER BEND STATION RADIOLOGICAL E:WIRONMENTAL OPERATING REPORT POR 1990 TABLE 2 RESULTS OF LAND USE CENS ,
Nearest      Range      Nearest    Range  Nearent F.ang e     Nearest    Range Jggior                             ReAMenge      (km)      JudC J Lo )        Jt L iltai       titaLAnimalI _.DAl A (N)                               Jonce         1.8    Jones          1.6      -       -     Davis           1.9 9 (NNE)                             Dreher        1.6    Harvey         1.8      -       -     Harver          1.8 C (NE)                              Magee         1.5    H gce          1.5      -       -
Daniel. H.      1.7 D (ENt)                             Lambert       1.4    Daniel, t.l. 1.6      -       -
lambert         1.0 2
t (E)                               BicLham       2.2                     -       -       -     Daniel. E.1. 1.2 F (Est)                            Shelton       3.4    tisworth       3.6       -       -     Dantet. E.I. 1.2 G (SE)                             Milla         6.6    n111s          6.G       -        -
Rickham         3.5 H (SSR)                            Koffman        1.7    Koffman 3      1.7      -       -     Daniel, d.i. 3.0 J (S)                               Bliss         1.8    Bliac          1.8       -       -    Daniel, E.1. 3.5 K (SSW)                             Culltory      7.4    Guillory       7 -4      -       -    Daniel, E.1. 3.5 1 ($W)                                  -          -         -            -       -        -         .           -
2                                                     Langola M (WSW)                                             -        -            -       -        -                   5.0 N (W)                               Lacost        6.1        -             -       -       -    Langols        5.0 4
P (WNW)                             Dietrich      3.7    Gsu il         1.0        -        -
Hardovin       7. 4 0 (NW)                              ninmer        f.3    CSU 42         1.1        -        -   Cavin           1.3 5
R (NNW)                             Young          1.7   tonroe         3.0        -        -
Klein           2.4 1 The initlal survey for meat animal location was performed in 1990.
2 The 1980 receptor location was discontinued for 1990.
3 There was no receptor location listed for 1989.
4 The 1990 receptor location was nearer than the rect.ptor location listed in 1989.
5 The 1990 receptol location was f arther than the receptor location listed in 1989.
11

     -                 . , ._ _ _ . ~ ~ _                   _ _ _ _ _ _                          __           -
m___   __ _
l I
                                                                                                                               ~
RIVER BEND STATION 1  -                      _.RADIOLOGI_ CAL ENVIRQMJNIALMIBAIH9_BEPORT FOR 1990 2.4      Interlaboratory Comtwrison p a ram ResttLtg for 1229 The Environmental Services Group participated in the U.S. Environmental pro-                                       i tection Agency (USEPA) Laboratory Intercomparison Ptogram during 1990 in accord-ance n th RBS Technical Specification 3/4.12.3. RBS result s (Table 3) wer e within                                         3
: the warning limits for the normalized range (precision) for all analyses, and within                                           i the USEPA "known" value (accuracy) for all_ but two analyses, namely, the gross beta in water for 9/21/90 and the total potassium in milk for 4/27/90. The discrepancies
                =for the gross beta in water for 9/21/90 and for potassium in milk for 4/27/90 are discussed below. The USEPA discontinued the cross-check media for " food" in 1989, and _although milk' sampling and analysis is not required of RBS at this time, the
                .results for the cross-check media for " milk" are. included as a gauge for the " food" sample analyses (1.e., vegetation and fish) performed by RBS.
                             . 2.5'    Pronram Fxecotions
                         . Certain samples and analyses were inadvertently omitted or unavoidably ultered                                     I during'the 1990 operating period, out of a total effort of 1754 samples collected.
and-2339: subsequent analyses-performed. These exceptions and the reasons for the-
                -omissions / alterations are delineated in Table 4 in accordance with- Technical Specification reguirements. . Corrective _ actions and impacts on program quality' are
               = discussed below, t
Brief storm-related pover. outages impacted one' indic ator air sampler -( AA1) ic January, five indicator end special 11nterest air samplers ( AA1, AB1, AR1, ANS, and AP1) -in June. and one control air sampler (ALC) in >ugust. From 3 percent to
:20 percent of each of_ the expected sample volumes was lost due to the power outages.
               . A fractured (cause unknown) electrical service pole which suppot ts the weathet head
               .and breaker box for the AKS air sampler necessitated disconnection of power, further
               ;1mpacting L AKS _-during November and December.                          The time taken to replace the electricalt serviceL to AKS,--a sampling location not required by RBS Technical
               ~ Specifications, -resulted in the loss 'of approximatriy 83 percent - of the expected sample volume for AKS over a 5-week period _.                        Thes* losses are not deemed to have
       ,       shad a aignificant impact on program quality, espe ially since the plant was shut
               ' down for. a refueling outage f rom October to December,1990.
Limited variety in the crops due -to a hard freeze during the winter months                                      i
,                 atethe state. penitentiary (GQC) and both site gardens resulted in failure.to obtain 3 out~ of 36 required control samples and 3 out of 72 required indicator samples 'of l                 broadleaf vegetation during = 1990. -                 This did not significantly impact program
?
Equality             _One.of the samples obtained from the control leestion (GQC) in June did not satisfy-the LLD requirements due to its low mass.
One USEPA cross-check' analysis for gross beta in water, dated 9/21/90, was
                                  ~
M outside the control Timits for accuracy. The sample activity reported by RBS-had been_ calculated using an .-Incorrect factor' for sait density attenuation of beta counting efficiency. When the activity-of the r,ross beta sample was recalculated i
with the. correct salt density factor, the result wau'well within the ilmits for accuracy. One'USEPA cross-check analysis for total potassium was outside the.
control limits- for accuracy.              The mass for potassium reported by RBS had been converted from K-40 activity using the incorrect conversion factor (1.19 -instead of 1.133).
12 4dW,              ,   r  -               ,       -
                                                                              . _ - -,     -_c.,    -   . - - , - - - . -             *- - ,-
A

RIVER llEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT FOR 1990 TABLE 3 USEPA INTERCOMPARISON (CROSS-CllEClO PROGRAM PARTICIPATION RESULTS 6 AMPLE TYPE                                                    USEPA                                                      kbS       Rb5              RbS                   AVEkAGE kE5 ULT
_inAluin )                                  MfALUiut     "KMOEE"._EA11E"                                               1Alli      Edid        hd @il'                    1All l'at11c1Rattt3d d _._DAIL AIR FILTER                        3/30/90       Beta          31.0035.50                                                  33.67     60,92        0.354                            32.1913.0%
(pCL/ filter)                    3/30/90      Cm-137         10.0035.60                                                  12.00     +0.69        0.000                             11.5612.05 8/31/90       Beta          62.0015.80                                                  69.33     e2.54        0.354                            04.66 t 0,77 6/31/90      Cs-137         20.00e5.60                                                  23.00     +1.04        0.354                             22.7013.61 MittP                            4/27/90       1-131         99.00111.60                                                100.67     e0.29        0.354                             95.49tB.13 4/27/90      Cn-137         24.0015.60                                                  24.33     60.12        0.473                             24,6513.03 4/27/90      h (nat)      15!0.00190.10 (1647.00)f                                               (+2.15)      (0.409)                        1545.361117.33 WM                               1/26/90         Beta        12.0015.60                                                   14.P0    .0.09         0.000                            12.9112.*2 (pCA/ liter)                     2/09/90       C0-60         15.0035.60                                                   15.00    40.00          0.236                           15.a.11.26 2/09/90       In-65        139.00t16.20                                                149.00     *1.24          (5 338                        s'm.9339.60 2/09/90       Ru 106       139.00116.20                                                134.33     -0.56-         0.464                                 00114.22 2/09/90        Ba-133       74.0018.10                                                   14.33     e0.0B         0.16'                                  :916.21 2109/90       co-134         18.0015.50                                                  17.67    -0.12           0.11-                          17.00 2.14 2/09/90        Cs-137        18.0015 80                                                  19.33     e0.46          0.1-
                                                                                                                                                                                                 > 2.43 2/23/90         h-3           49761575                                                     4544    -0.46          0.15'                       191 .         640.99 4/17/90          Deta        52.0015.60                                                  51.00     -0.35           0.915                          t s . t.616. 39 4/17/90        Cn-134        15.0015.60                                                  13.67     -0.46           0.11-                          14.4411.77 4/17/90        Cs-137        15.0015.60                                                  15.67     +0.12           0.1.6                          16.60tl.88 5/11/90         Deta        15.0015.80                                                  15.00     e0.00           0.23'                          16.1613.65 6/05/90       co-60         24.00t 5.80                                                 25.67     +0.55            0 .11 t.                        5.12 2.69 6/08/90       Zn-65        148.00117.40                                                159.67     +1.35            0.11h                       '49.16112.30 E/08/00       Ru-106      210.00f24.30                                                 195.00     -1.24            0.647                      201.0l+17.01 6/03/90       ba-133        99.00 111.60                                               102 00      e0,52            0.000                        96.3315.16 6/05/90       Cn 131        24.0015.80                                                  ?    'O    +0.00            0.000                        23.2612.10 6/Ob/5J       Cc-137        25.0015.50                                                  4. s7    +0.53            0.116                        26.2112.61 6/22/90         h-3           29331141.4                                           2S47.67         -0.41            0.206                    2966.60 12$5.64 6/?0/90         I-131          .0016.00                                                  36.67    -0.67              0.295                        40.2614.10 te/ 1/90        Beta         10.001 5.60                                               (13.00)I  (tl.06)      (0.236)                             10.9112.25 10/05/90       Co-60         20.0015.80                                                   22.00     +0.69              0.000                      20.53t2.53 10/05/90        Zn-G5       115.00113.90                                                126.00      e1.59              0.345                     116.2519.89 10/05/90        Ru-100      L51.00117.40                                                147.00      -0.46              0.158                     140.39tl5.33 10/05/90        Da-133      110.00112.70                                                111.67      +0.26              0.107                     107.7319.22 10/05/90        Cs-134        12.0015.80                                                  11.67     -0.12              0.116                       11.8912.09 10/05/90        Cn-137        12.0015.50                                                  13.67      e0.56              0.118                      13.1112.17 10/10/90         H-3       7201.001833.50 1403.67                                                    +0.4h              0. 4 ?io               7125.0St671.93 10/30/9D          Deta        53.00 1 5.60                                                53.33      to.12               0.945                     50.78 16.32 10/30/00        co.134         7.0015.60                                                    7.00     +0.00               0.000                       1,4911.11 10/30/90        Ca-137         5.0015.40                                                    4.67     -0.12               0.118                       5.94 11 55 (a)                     05 EPA "known" values are listed with a range reflecting control (3 algma) limits.
(b)                     The normalized devlation f rom the "known" value is computed by USEPA f rom the deviation and the standard error of the mean; +2.000 in the warnin8 limit and e3.000 in the control famit.
(c)                    The normalized range is computed by USEPA from the mean rantle , the control                                                                                   and the utandard error of the range; +2,000 in the warning timtt und +3.000 tu the control                                                                limit1 lmit.
(d)                    The grund average of all participants' results (excluding outtlers) is listed with the e x pe r imen t al (calculated) ulema for all laboratorien.
(e)                    USEPA discontinued the crosa check media " food" for 1989.                                                   Although milk sampling and unalysts by RilS is not perf)rmed, the cruau-check oumples of milk tie r e unalvred, and the data ia.cluded as a gauge of the " food" sample ti.e. vegetation, flah) unalyHe9 performed by RHS. The units for the nuclides 1-131 and Os-137 ate pct / liter, und for the element K la ag/ liter.
(f)                   The results reported to USEPA e.nre calculated with incorr ect correction /converuton f actorn. The uppropriate values are reportsid here with the values for "normaltzed devAntAon from the known                                                                         l value" and for " normalized range" calculated by RBS personnel.
13

   --                 .     -. . . . .-.- - . = . - . - . - . . - .-                          .                    - .- - . - - - --              ,
r g .-        4 RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT POR 1990 TABLE 4 MONITORING PROGRAM EXCEPTIONS samA19_lype                              Petiud            LO SMIC_                                  'xcS R iondtegon AJr particulates and                     1/02 - 1/09/00              AA1                   About 20% of normal weekly sample volume Radiolodines                            1/09 - 1/16/90                                     not collected due to power outage.
5/29 - 6/04/90         AAl, Atl*, AR1,             About 8% of normal weekly sample volumen AKS*, API                not collected due to power outage.
6/04 - 6/11/90         AA1, AD18, AR1,             About 4% of normal weekly cample volumes-AKS*, API                not collected due to power outage.
7/30 - 8/06/90              ALC                   About 3% of normal weekly sample volume not collected due to power fatture.
8/20 - 8/27/90               ALC                   About 16% of normal weekly sample volume not collected due to power failure.
11/12 - 11/19/90              AKS*                  About 58% of normal weekly sample volume not collected due to power outage (elec.
rio service torn loose from the step-down transformer on the utility pole).
11/19 - 12/20/00              AKS*                  None of normal weekly ansple volume was collected due to power outage (electric nervice had to be re-strung from the transformer),
BroadleafVegetation                             January              CQC                   Only one (1) of three (3) samples ob.
tained due to limited availability caused by hard tresse.
                        "                                    January              C2                    only two (2) of three (3) samples ob.
tained due to limited availability caused by hard freeze.
March              G Q''                 Only two (2) of three (3? samples ob.
tuined due to limited availlbility.         ,
Harch              C-1                   Only one (1) of three (3) namples ob.
tuined due to limited availibility.
I                       "                                      June               CQC                   One (1) sample of three (3) analyzed
: i.                                                                                                      failed the LLD requireeent.
Flah and Invertebratea                Spring / summer 1990            FU               - Only two (2) of three (3) samples ob.
tained due to limited availability.
l1 l            Water, Cross Data                                -Aprl!            - CWS                   iteaultn varied by more than 10% on a sollt sample.
I:
l           'USEPA cross-check,                              9/21/90              N/A                   Re'aults calculated using incorrect V            Grous Boto-in. Water.                                                                      aalt -density factor for attenuation of bata counting efficiency; correct j;                                                                                                      activity was obtained when correct fac-J                                                                                                     .
tor used in calculation.
Water                                  10/17 - 10/24/90=             CWS                   About 58% of hourly componite ala-quota not obtained due to power outage.
Direct Itadiation' (TLD)                          June-              TKS*                  The recorded high net normalized gamma done, possibly due to severe moisture damage and corrosion observed in microecopic examination of the dost-meter's phosphor elementn.
* Sample / measurement is not t;equited by RBS Technical Specifications (not identified in ODCM).
14
                                                                                        ,       e -           y- ,+#,is    +--

  .-      .      . . - . . . -                 -. .-           .  .    ~ - - .. . - - - - -                 . - - . ~            . - - ..-.
1,           .. :                                                                                                                       )
i R1VI'R BEND STATION' R@lDLOGICAL ENVIR0tidl31AL OpERAUKQ_REEQRLfQJL191(!                                     _.
                                                                                                                                                      ~
13.0 - LETERPJGIAUDN OP llDip REStiLTS 3.1-      Summary of oneratinaaL.JERP_Real.is.                                                                      I Honitoring resul'ts for the exposure pathways are itemired in Appendix A and summarized .in' Table 5. f rom which measured act ivities of the natural ty-occurring -                                          ,
                 . daughters' of uranium ' and thorium. are excluded.                          For purposes of data summary, comparison, and discussion, the sampling locations designated "Special-Interest"
                  -in_ Table 1 are treated as indicator stations if they are: wit hin 16.km of RBS and -
control stations-if they are beyond 16 km.
,                                3.1.1          Airborne Exenguire pathay - Mounurements of radiolodine and other gamma-emitters were all below their-respective LLDs                                that is, " undetectable" at
                  ' the required analytical. sensitivities.- During the two week period f rom 5/21/90 to 6/4/90, traces of radiolodine and noble gasses were mc ured at three downwind air sample stations, due to - the presence of a small amount of failed fuel in the reactor. The releases resulting from this failed fuel were minimized by operational controls (e.g., repairing minor steam leaks), after which no further measurements
                 - of radiolodine and noble gasses were observed at any of the air ,ampling stations.
This fuel was t emoved during the -refueling outage in the 4th qua. cr of 1990. Gross bcLa activities averaged 0.025 pC1/m 3 at Indicatur locations and 0.0h. pol /m3-at control. locations.
                                                                                                                                                    -i 3 ,1. 2 '         Direct ihngJnre pathwar - The monthly averac samma                    <    v wrer
                  -farlindicator and control locations were 4.20 and_4.35 mil 1Ir.s 1o. i. , W ectiv-ely. Quarter ly exposures averaged 12.39 mR total at indicator locatio..a r.ud 12.90 mR' total at control locations.                                                                                                   >
3.1.3             Ra.t erliorne Exit 0Hte pathway - No gamma-emitters wet e' measured in surface sater;or in drinking water at levels approaching the Technical Specification LLDs          The samma emitt ers Mn-54, 00-58, Pe-59, C0-60, Nb-95, 7.r-95., Cs-134 & 137, and Ba-140 were measured .1n a few monthly composite sampies f rom the discharge 1Ine LDL at concentrations between Oe9 and 56 picoeuries per liter. Gross beta activities =                                            =!
Ja surf ace water averaged 40.4 pC1/1 in the discharge line DL and f rom 3 to 17 pCi/1 atfall other stations. ' Tritium (11-3)- activities in surface vateriaveraged -20450 :
pCl/l in Ltheidischarge .line DL and were- below detection ' limits at ' all other
:locationn. Gross beta' activities ' averaged 4.7 and 6.0 pol /l in the downgradient WD ,(indicator)L and upgradient .Wlf (control) groundwater, respectively._ Besides-natur4lly-occurring _ gamma emitters, Os-137 was measured -In Mississippi River shorelinc . sediment above (75LpC1/kliogram dry) and below (10 pCi/kg dry) the RBS l liquid discharge outfall, ' As in the case of the airborne Cs-137 uctivity,lthese-
  ~                 slightly elevated levels (relative to baseline conditions) are probably attributnble          '
to.the--1986 incident at Chernobyl,-Russla.                                                                                     ;
15
     .u       _ . . = _ _                  ,                      _          - - . _        ._   _ _ ,         __     .-   .. .             . _ . .

TABLE 5 P.ADIOLOGICAL ENVIRONMENTAL MONITOPING PROGRAM SUMMAltY (Page 1 of 4)
River Bend Station                                                     Docku: Number: 50-458 West Peliciana Palish, Louislana                                       Reporting Peliod: 1/1/90 -12/31/90 I
Med itua ' '          Tytw and           Lower Limit      All Indicator          Location with liighest          Control       Numtier of Ivthwr, Sempled Total Number                        of          htationn,                 Annual Mean              Locationo      Nonroutine (Unit of       of Analyseu Detectton1                      Mean (fl'            N,tunq_ .        tig gn_(()2   Mean ( f 12    Regn t ed Meanurement)           l'erformed            (LLD)              Sangu          Dirt./Dir.            Range         Range        Renults cros6 Beta                   0.01     0.025 (305/312)             Alt !     0.026 (52/52)          0.020          0 AirPartlp)
(pct /m late              (468)                        0.018 - 0.032        0.5 km hNE 0.021 - 0.032            (L56/1566 0.006-0.028 ite- 73          NONE       0.121 (262/312)             AR1       0.137 (45/522          0.111          0 (468)         I;EQUliCD      0.057 - 0.244        0,8 km NNW 0.077 - 0.240            (125/150) 0.057-0.222 k-403         tion E      0.56 (309/312)             Aks       0.010 (46/52)          C.52           0 (465)        R t 4U lit ED  0.233 - 2.270        2.6 km ssk 0.253 - 2.270            (153/156) 0.212-0.65S Ch-1N               0.05          All. <LLD                                           ALL <l.LD         0 (106) 09 137              0.06     0.012 (4/312)              AH1         0.015 (1/521   0.013 tl/52;         o (468)                       0.009 - 0.0l5        0.6 km NNW        ningle galue   single value Air Hadiolodine                   1-131            0.07       0.020 (5/312)            Akt         0.024 42/52)      ALL <LLD           0
( pc i/r.J n              (168)                         0.016 - 0.031      0.6 km NNW      0.016 - 0.0:11 Direct (TLD)4                  Canma                       4.20 (456/456)             TM2         4.96 (12/l2)     4.35t72/72)         0 (mR Total)               Monthly                          2.39 - 11.17       4.2 km Wsw        4.06 - 6.03      3.24 - 5.54 (456)
Gamma                        12.39 (152/152)            TM2        14.40( 4/l)     12.90(24/24)         0 Quarterly                       7.81 - 17.37        4.2 km WSW      13.52 - 15.49     10.31-15.96 (176)
Surface Water                    H-3            3000        20152 Ll/6)               DL         20152 (4/4)        All. <LLD         0 (pC1/ liter)                   (12)                       5705 - 35450                           5705- 35450 Mn-54               15       8.05 (12/24)              DL         8.05 (12/12)       A t.t. <LLD       0
( 3ti )                    1.19 - 24.S                           1.10 - 24.6 Co-58                15      3.63 (11/24)              p l.        3.63 (11/12)      All. <LLD          0 (36)                        1.01 - 10.7                          1.01 - 10.7 to-59               30        4.70 (6/21)              DL          4.70 (6/12)       ALL <l.LD          0 (36)                        L.77 - fL44                          1,77 - 8.44 Co 60                 15      19.4 (l2/21)              DL         19.4 (12/12)      ALL <LLD           0 (36)                        2.85 - 55.5                          2.85 - 55.5 Zn-65                30       All < LLD)                                            ALL (LLD           0 (36)
Nb-95                15      3.36 (2/24)               DL         3.36 (2/36)       A!.L < l.LD        0 (36)                       2.56 - 4.16                          2.56 - 4.16 Zr-95                30      1.03 (1/24)               DL         1.03 (1/12)       ALL <LLD            0 (36)                     (single value)                         ningle value I-131              15         ALL (Lt.D                                            Al.L <LLD          0 (3G)
Cn-l34               15      1416 (2/24)               DL          1.16 12/12)       ALL (LLD           0 (36)                       0.91 - 1.41                          0.91   - 1.41 Co-137                18      1. 0'l (2/28)            SWU          l.11 (1/12)   1.14 (1/12)           0 (36)                      0.92 - 1.16             4 km          ningic value   single value upstream fja - 110            60       1.16 (t/24)               DL          1.'6 (1/12)      ALL <LLD           0 (36)                     (Lingle value)                         single value                            ,
16

TABLC 5 RADIOLOGICAL ENVIRONMENTAL. MONITORING PROGRAM 3DIMARY (Paga 2 of 4)
River Bend Station                                                       Docket Nutber: 50-458 West Feliciana Parish, Louisiana                                         Reporting Period: 1/1/90 -12/31/90 Medlum or          Type and                         Lower Llmlt All Indicator      Location with Highest         Control      Number of Pathway sampled Total Number                                of      Stations               Annual Hoan            Locations     Nonroutine (Unit of        of Atu11yr.es Detection I                       Mean (f)2         tiwge           MpattiL}2    Mean (f)#     H eixir t ed Mtssurement)       Performed                          (LLD)         Range        Dlut./Dir-         Range         Range       Results Surface Water                 La-140                      15       ALL (LLD                                       ALL <LLD            0 (pCl/ liter)                        (30)
(continued)
Grous beta                              4     24.96(24/24)            DL      40.30 112/12)  9.75 (12/12)          0 (36)                      3.36 - 49.97                    20.69 - 49.97  5.00 - 14.32 Croundwater                         H-3               3000       ALL <LLD                                       ALL <LLD            0 (IC1/11t e r )                        (6)
Hn 54                      15        ALL <LLD                                       ALL <l.LD           0 (8)
Co-58                      15        ALL <LLD                                       ALL <LI.D           0
($)
Fe-59                    30        ALL <LLD                                       A LL < LI.D         0 (8)
Co 60                     15       ALL <lLD                                       ALL <LLD            0 (8) 2n-65                    30       ALL <LLD                                       ALL <LLD            0 (S)
Nb-93                    15       ALL <LLD                                       ALL sLLD             0 (8)
Tr-95                  30       ALL <LLD                                       ALL <LLD             0 (8) 1-131                 15        ALL <Ll.D                                      ALL (LLD            0 (8)
Ca 134                          15       ALL <LLD                                       All (LLD            0 (8)
Ca-137                         18i      ALL <tLD                                       ALJ. <LLD           0 (6)
Da-140                        60       ALL <tLD                                       ALL <tLD             0 (8)
La-140                       15       ALL <!,LD                                      ALL <LLD             0 (8)
Gross Heta                             i      4.73 (4/5)          WU         6.03 (3/5)     6.03 (3/5)            O L10)                 3.02 - 5.73        I?D m NNE    5.25 - 0.89    5.25 - 6.89 Drinklng Water 5                              H-3         3000       ALL <LLD                                       AL    <LLD           0 (pC1/ liter)                               (l)
Hn-54                15      ALL <LLD                                       ALL <tLD             0 (12)
Co-58                15       ALL <LLD                                       ALL tiLD             0 (12)
Fe-50              30       ALL <llD                                       ALL <LLD             0 (12)                                                                                          i 17

e TABLE 5 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 

==SUMMARY==

(Page 3 of 4)
River llend Station                                                           Docket Number: 50-458 West Felic.iana Palish, Louislana                                             Regiorting Pellod: 1/1/90 -12/31/90 Medlum or                    type and        Lower Liett     All Indicator            Location with Highest             Control      Number of Pathway Sampled Total Number                           of          S t a t !Oftst,2             Annual Mean              Locat toria,   Nonroutino (Unit of           of Analyticu betoctton I                   Mean ( f 1            .JAgn          _11 NILL (1 2      Mean (f)*     keported
     'toanurement )                Performed          (LLD)              Range            Dist./Dir.            Hange          kange       Reuutta Drinking k'ater$                   Co-60              15        1.60 (1/12)            Donaldson-        1.60 (1/12)       All < LLD         0 (pC1/11ter)                      (12)                      (olngle Salue)           ville           (ningle value)
(continued)                                                                         136 km Zn-65            30            A1.L <l.LD          downstroom                          ALL <LLD          0 (L2)
Nb 9$             15           ALL (LLD                                                All. < Ll O       O (12)
Zr-05             30           ALL RLD                                                 Alt (LLD          0 (12) 1-131             15           Al.L < l LI:                                             ALL < LI D        0 (12)
C0-134              15          A!.L <LLD                                                ALL <tLD          0 (12)
Cs-137              18         0.61 <!/12)               SWU           l.14 (1/12)      1.14 (1/12)        0 (12)                     (single unlue)               4 km        (ringle value)   alngle value upstream Ba-140             60            tLL iLLD                                                All. <tLD         0 (12)
La-lio              15           J       <tLD                                            ALL tLLD          0 (12)
Crosa Betu                  4       9.47 (12/12)                 SWt'        9.75 (12/12)   9.75 (12/12)          )
(12)                      4.53 - 14.3ti              4 km          5.00 - 11.32   5.00 - 14.32 upatrans Shoreline                       Bo-73             NONE                                   SEDU             403 (1/2)     10$ (1/2)         N/A Sediment 6                        (4)        *EQUIRED                                   i sm        (n(ngle value)  single value (pC1/kg dry)                                                                          upt.tream h-40 3          NONE        l-(11$ (2/2)               SEDD           14115 (2/2)     10567 (2/2)       N/A (4)        REQUIRED      13706 - 14528               4 km           13706 - 14521   477.)-16361 downstream                                                 l CH-134               150         ALL <LLD                                                 ALL <LLD          0 (4) 00-137               150        LO.0 (1/2 )               SEDU           74.6 (l/2)     74.6 (1/2)          0 (4)                     (htsgie salue)                I km       (ningle value)   ulngle value urntreaa 3
Flah/                            h-40            NONE          3 1511 ( 8/8 )              tD           3161 <h/S)     2919 (5/5)           0 invertebratus                       (13)      REQUIRED        2S37 - 4081                4 km          2637 - 40SL    1977 - 3508 (pCL/kg wet)                                                                       downstream Mn-51              130          AlL <l.LD                                               ALL (LLD           0 (13)
Co-55              130          ALL < LID                                               ALL <LLD           0 (13)
Fu-59             260          Al.L <LLD                                               ALL <tLD           0 (13)
Co-60               l 'iG       AL L < LLD                 FU         7.49 (1/5)       7.49 (1/5)          0 (13)                                                 i km        (single value)  Hlngle value upss t r east Z r.- G 5          260         ALL cl.LD                                                ALI. sLLD         0 (13) 18                                                             .

TABLE 5-RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 

==SUMMARY==

(Page 4 of 4)
River Bend Station                                                            Docket Number: 50-458 West l'eliciana Pariin Louisiana                                              Reporting Period: 1/1/90 -12/31/90 Medium or                     Type and           Lower Limit     All Indicator                Location with Highest                            Control           Number of Pothway Sampled total Number                              of           Stations                         Atmua l . Hean '           .              Locations          Nontoutine (Unit of                of Analyses            Detectionl        Mean (f)2                    goo              MeatLLL} 2                    Hean (f)2           Reported
           'Hoasurement)                   Performed             (LLD)            Range                  Dist./Dir.               Range                      Range              Results riah/-           .
Ca-134             130           ALL <LLD                                                                    ALL <LLD                   0 Invertebraten                            (13)-
(pci/kg wet)
(continued) _                    Co 137.            160-         7.07 (1/6)                     FD           7.07-(1/8)                      1.67 (1/5)                  0 (13)                 (single value)                     4 km      (single value)                     single value downstream Broadteaf-                        Be-73             NONE         310 (44/69)                     CQC        54" (21/29)                       547 (21/29)                N/A
            . Vegetation                             (98)      REQUIRED        71 - 2040                 35 km NW          56 - 2292                        56 - 2292 (pC1/kg wet)
                                                 -K-403          NONE          3503 (69/69)                   CQC        4374 (29/29)                     4374 (29/29)                N/A (98)      REQUIRED        1616 - 5794               35 km NW        1926 - 8287                      1926 - 8287 1-131             60            ALL (LLD                                                                    ALL <LLD                   0 i(98)
Ca-134                 60            ALL < LDD                                                                   ALL (LLD                   0 (98L Ca-137                  80           20.0 (5/69)                    CL         20.0 (5/34)                       11.6 (1/29)                 0 (98)                       15.8 - 27.6               1 km WNW        15.8 - 27.6                      single value Bu-140                NONE          47.2.(1/69)                    C1         47.2 (1/34)                          NONE                     O (98)       REQUIRED   (ulngle value)                 I k.m WNW     (Mingle value)                       MEASURED EQIfdli
: 1.         ' Lower Limit 'of Detection (LLO) as defined in RBS Technical $pecifications (NL' REC-il72).
2 --         Hean and range based on detectable measuremento only. Fraction of detectable measurements at spe.
cified locations is indicated in parentheseo. (f) 33,            Specific activAtles!found for certain common and readily distinguished, naturally occurring nuc-lides are included to provide perspective.                              It should also be noted that other gamma emit ting,
!:                               naturally occurring nuclidea (eig4, primordial series) are of ten detected but not reported because of the complexitica and uncertainties of specific identification.
i l
i.
l l
19
     - -         ..:-__..-             -, . ~ . . - - .        n          ,-c         +   - , , , , , -            , -         ~              , , , , . ,        , , - ,, - , . . , .                   , ,

4
              .a,.              ..
i o
RIVER BEND STATION
                         ,_                        -RADIOLOGICAL ENVIRONMENTAL. OPERATING REPORT _Ip2 1990 a
3.1.4            111gg.stion Exopsure Pathway - Specific activities for radiciodir.e pere below Lthe required LLD in the' ingestion pathway monitoring media during 1990.                            i
: 16. . addition to' naturally-occurring samma emitters, Cs-137 was measured in both broadleaf vegeta-tion and fish from the indicator locations, and in fish f rom the contre' location.             The Cs-137 averaged 20.0 pCi/kg wet- (<LLD) in vegetation from ite garden' in Sector p (G1), a single measurement- of 7.07 pCi/kg wet was
                                       . a' downstream fish, _ and a single measurement of 1.67 pCi/kg wet noted in         _
fish._ These slightly elevated Cs-137_ activities, which are two orders of n taae below those - that would be " reportable" if due to RBS releases, are p.obably attributable to the Chernobyl incident.
3.2       Romparisonjf Operational and Baselint.BEMP Res'411g 5                                    Radicioolne and other gamma emitters _ in the airbort e exposure pathway were not measured at levels above the ' required 'LLDs during 1996. Gross beta activities on air particulate filters averaged 0.025 pCi/m3 at indicator and_0.020 pCi/m3 at controi locations in 1990, compared to 0.03 pC1/m3 at both indicator and control
                            ' locations during the.preoperational phase of the REMP (Appendix B).
In the direct exposure pathway, the 1990 net average readings for monthly.and quarterly TLDs from both indicator and- control locations were slightly. lower than                             ,
the. corresponding values for the baseline period. Thus far, no appreciable dif fer-                            !
                           . erences .have been observed in TLD exposures between -indicator and control locations or between the same-' locations from-on_e year to the next.
In the waterborne exposure pathway,_ average activities analyzed for required gammeemitting nuclides were measured below the RBS Technical Specification LLDs                                 i
                          !during ' 1990 = as ' h'ad J been the case during the preoperational phase -( Appendix B).
                            . Gross beta.andl tritium levels in_ water.are compared below:
WATERBORNE AYERAGE -GROSS DETA (pC1/l)
Pre-n ODatational    1936   _1M1_             JML         1939 ._1 MIL surface Water,-Upstream (4 sm)                   7.80     5.76      8.93              9.30     7.79    9.75 RDS Discharge f.ine-                               N/A   10.10    21.76             32.38     32.05   40.39
                          ' Surface Water, hwnstream -(4 km)-_                8.10     5.69      8.59              8.66     7.41    9.52-    i h: -                        -Drinking Water (Donalduony t tle) -              6.80     5.66 -   10,40              8.24     8.23   -9.47 EUpgredient Groundwater                             6.00     2,25      2.22-            -2.45     3,61  --6.03
                         . Downgradient Grosndwater                           4.00     2.61      1.95              2.20     3.44    4.73 WATERBORNE AVERAGE TRIT!UM (pCi/l')
Pre-QPALLLLO.ual _lMS        1987           JML J L             1MD_     ,
Surf ace Water, Upstream (4 km)                <3000      <452      <444              <586     <554    <209
                         - RBS Dincharge Line                                   N/A    1023      1140              2272     3169   20452
                         ' Surface = Water, Downstrcum (4 km)
                                                                            <3000      (44       <604              <502     <554    <209 Drinking Water (Donaldsonville)                (3000      <462      <$03              <586     (557    <210 Upgradient Groundwater-                        <3000      <446      (601              (780     <681    (211 L                            Downgradient Grouru.twater                     <3000      (446      <600              (779     4872    (207.    ;
i 0
20
_._ _.._ . _ - - _ _ . _                                      _ _ _                                                                     _a

_ _    . . _ _ _        _ _ _          _ _ _ _ _ _ ~           _ ..       ._ _              _.__.m                   _ _.- . - .
F j      ..
RIVER BEND STATION                                                                                '
    ?                                RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT-POR 1990 3.1. 4 _     hutestion Exposure Pathway                          -
Specific activities for radiolodine were below the required LLD in the ingestion pathway monitoring media during 1990.
InDaddition to naturally-occurring gamma emitters, Cs-137 was ' measured in both
:  broadleaf vegetation. and. fish from the indicator locations, and in fish from the control location.                   The Cs-137 averaged 20.0 pC1/kg wet (<LLD) in vegetation from the onsite garden in Sector P~(G1), a single measurement of 7.07 pC1/kg wet was r
noted 'in a downstream fish, and a single measurement of 1.67 pCi/kg wet noted in upstream fish. These slightly elevated Os-137 activities, which are two orders of magnitude below those that- would be " reportable" if due to RBS releases, are                                                                        ;
_ pro ab bly att ributable to the Chernobyl incident.
  +                      3.2        G2mparison of 0.nerational and Baseline REMP Resulta
   ;                   - Radiciodine and other gamma emitters in the c.irborne exposure pathway were
            -not measured at levels _ above the required LLDs during 1990. Gross beta-activities s
            .on air particulate filters-averaged 0.025 pC1/m3 at indicator and 0'020-pC1/m3 atz control locations in 1990,_ compared Lo 0.03 pC1/m3 at'both indicator and control locations 'during the preoperational phase _ of the REMP ( Appendix B).
In the direct exposure pathway, the.1990 net average readings for monthly and
: quarterly TLDs: from both indicator and control locations -were slightly lower than the corresponding values for the baseline period. Thus f ar, no appreciable dif fer-erences have been observed in TLD exposures between indicator and control locations
:            or between the same locations =from--one year to the next, h
                        - In the waterborne _ exposure pathway, average activities analyzed for required gamma-emitting nuclides 'were measured below -the RBS Technical Specification- LLDs during 1990 as had been the_ case .during the preoperational ' phase (Appendix B).
,            Oross beta and tritium levels in water are compared below:
l WATEBBORNE AVERAGE GROSS BETA (pel/l)
I' Pro
* L                                                             gngIAtional              1986         1987_      _ h M,_,          J M L            1990 i            Surface Water, Upstream (4 km) -                     7.80                 5.76         8.53          4. 30             7,79-         9.75 l:        : RBS Diacharge Line .                                   N/A -              10.10       21.76         ?? , N             J2.05'       40.39 Surface Water, Downstream (4 km)                     8.10                 5.69         8.59          5.66              7.41          9.52
: Drinking Water (Donaldsonville)'                    6.80.                5 66        10.40          f> &t             8.23         '9.47 Upgradient Groundwater                               6.00                 2.25         2.22          3.45              3.61          6.03 Downgradient - Oroundwater.                          4.00-                2.61          1.05         P.20              3.44          4.73 WATERBORNE AVERACE TRITIUH (pct /1}-
Pre.
DistAt_tund              1986.       .1987       JnL                  1989_       _1990 surface Water, Upstream-(4 km)                      (3000                 <452         <444          <585              <554          <209 RBS Discharge-Line                                    N/A                -1023          1140         2272              3469       _ 20152-sucface Water, Downstream -(4 km)                   <3000                 (45$          <604        '<502              <554          (209-
            ' Drinking -Water (Donaldsonville) -                 43000                 <462          <593         s586              <557          <210 Upgradient Groundwater                              (3000                 <446          <601         <780              (881          <211 Downgredient Groundwater                            <3000                 <448          <600         <779              <872           (207 20

j .
  ?
k y
4 E
g                                                                                                                           RIVER BEND STATION
~
R AD I 01,00 I C ALJM BQF}1{ NTAL 0 P ER ATIEUlI2QRLEQlljl90 Gross beta activities in the discharge line and surf ace water samples averaged slightly higher in 1989 and 1990 than in previous years, yet the levels remained well below reporting levels established in the RBS Technical Specifications. These activities seemingly reflect (at least in par t) a slight general increase in levels of beta-emitting materials in the Mississippi River. As observed in previous years, the annual average gross beta activity for the control location (SWU) was higher than that for the indicator location (SWD).
Tritium activities in the discharge line increased on average, reflecting the releases already noted in the 1990 Semiannual Radioactive Effluent Release Reports (see also Table 6).                                                                          In the RBS boiler-t eactor, ttitium is produced by
-                     ternary fission of the reactor fuel (                                                                          U), although only a small f raction of that tritium would dif fuse through the fuel's cladding.                                                                          Tritlum is also produced by neutron reactions with certain isotopes of boron, deutet lum and lit hium when present k                      in the boiler (e.g. as control rod material - boron). The observed tritium increase in the liquid discharge is attributable to the small amounts of failed fuel (i.e.
defects in a very small percentage of the f uel cladding - also responsible for the airborne radiciodine), allowing that tritium produced by ternary fission to migrate
                      -into the boiler water.                                                                           The tritium activity observed during 1990 increased beginning in May and continued through November, tapering off with the removal of the failed fuci (see Appendix A, page A-12).                                                                          Smaller increases of tritium in the liquid discharge would result f rom more ef ficient radioactive wastewater treatment and reuse (e ?, , as boiler makeup). The particulates (metals and salts) are removed in this treatment leaving the tritium behind as water (e.g. , [3H-0 1H]). When this water is reused as boiler makeup, tritium builds up in the water.
It should be noted that Discharge Line monitoring results are based on compos-iten of hourly aliquots of equal volume, rather than on flow-veighted hourly grabs.
While it may be argued that the long-term averages are fairly representative, it can be seen that the sampling requirement would be truly representative only if RBS liquid discharges were continuous and at a constant rate, which is not the case (see also the discussion of liquid ef fluents under Section 3.3 below). RBS changed to flow-weighted composite sampling of the discharge line in 1991 to accomodate NPDES permit requirements for biomonitoring. This change should have a beneficial impact on the comparisons made for predicted releases versus REMP measurements in Table 6.
In the ingestion exposure pathway, no gamma emitting nuclides were measured above LLDs during 1990, and there appear to have been no increases in radionuclide concentrations attributable to RBS operation in food / forage media over basel ine levels ( Appendix B). Slight increases in Cs-137 levels in some fish and broadleaf vegetation samples, pr esumably related to residues of the Chernobyl accident f all-out, were discussed in Section 3.1.4 (above). Naturally-occurring K-40 was measured at an average of 3503 pCi/kg in indicator vegetation and at an average of 4374 pCi/kg in control vegetation in 1990, roughly the same levels encountered prior to 21

          . . . . - _-           . . - . -            . _ - - . - ...... - ~ . _ ~ . - .                 . - . . - . . _ - - - . - . _ - . . . - - . . . - . - -
                                                                                                                                                                                    'l
: n.           ..
                                                                                                                                                                 ~
RIVER BEND STATION RADIOLOGICAL ENVIRQEMENTAL QPERATING REPORT POR ; )90 RDS operation . ( Appendix II) .                             Another nat. ural nucl ide , Be-7, averaged 310 and 547
                       .pcl/kg in . indicator and control vegetation samples, respectively, during 1990.                                                                             .
                      ' Al though presumably present, Be-7 was not quantifled during the preoperatlonal phase for comparison.
3.3      .
pogipati.ggingf_g)R Emil.t.FJMLSec.IAlindo.01LQls The only measurable increases in concentrations of radionuclides or levels
                      - of radiation, attributable:to plant operation, in the vicinity of RBS during 1990 appear to have been the expected low levels in the liquid Discharce Line.                                                                  The Indicator vs.- cont rol comparisons for airborne gross beta activity (Section 3.1.1; Table 5 and Appendix A) corroborate the reports of .11mited or no releases of part-
                      -'iculates orJradiciodine in 1990. The 1990 TLD data (Section 3.1.2; Table 5 and
                      ' Appendix A) showed no appreciable dif ferences in direct radiation exposures between
: Indicator and control locations.                                     Excerpted liquid effluent data from the two Semlannual' Radioactive Ef fluent Release Reports are listed in Table 6 along with the corresponding- Discharge -Line analytical ~ data for those nuclides' which were measured by the RDIP during 1990. These nuclide activities were well below the NRC                                                                           '
                      - reporting IcVels, but are listed here for comparison to substantiate the adequacy of source control and effluent monitoring at River Bend Station, u
F t
4 22 Mve ,-ww-,-ev-sr-.4       m , ~ + - '  -e-wr   --
                                                       ---'n             me                                                             --                          - - . - - , =

                  ..~      , ..         -           . . _ . . ~ . . _ .                - -       _ . _      _ -                 _ _ - _ _ - . - . . -
RIVER DEND STATION RADIOLOGICAL. ENVIRONMENTAL OPERATING REPORT FOR 1990 TABLE 6

==SUMMARY==
COMPARISON OF LIQUID EFFLUENT QUANTITIES / ACTIVITIES
* AND REMP DISCHARGE LINE MONITORING RESULTS Quantitles                 1st Otr.                 2nd Qtr.           3rd Qtr.           4th Qtr.               Total Rel eased                     1990                      1990              1990               1990                 1990 Liters, effl.-               2.93E+06                 3.65E+06            5.22E+06          4.92E+06              1.67E+07 Liters, dil.                 1.14E+09                  1.51E+09-          1.31E+09          1.08E+09              5.04E+09 11-3, Cur.les                4.31E+00                  1.84E+01          4.01E+01           2.07E+01              8.35E+01                         -
Cr-51, Cur.ies               4.76E-02                 8.09E-02            1.55E-01          8.21E-02              3.66E-01 Mn-54, Curles                 1.34E-02                 1.39E-02           1.09E-02          8.03E-03              4.62E-02 Co-58, CuEles                9.76E-03                  7.07E-03           3.97E-03          2.71E-03             -2.35E-02
         -Fe-59..Curles                 8.05E-03                 4.50E-03            4.24E-03          3.18E-03              2.00E-02 CO-60, Curies                2.87E-02                  3.01E-02           3.26E-02          2.21E-02              1.14E-01 Nb-95, Curles-               3.36E-04                  3.91E-04           1,39E-03          1.10E-03              3,22E-03
         - Zr-95, Curles                6.92E-05                  1.69E-04           1.01E-03          7.77E-04              2.03E-03                      l Ba-140,.Curles                     -                         -
: 1. 96 E-Ot.       2.87E-04              2.42E-04 1
Predicted (Extrapolated) Specific Activities (001/1)-                                          1990 RDtP                        .,
                          -1st Qtr. -2nd Qtr. 3rd Qtr. 4th Qtr.                                                         Mean (Range)_                      '
         , Measured '                                                                                 Mean luglid_q_             1990              1990                   1990          1990           1990                  pCUI 21156 (asts.soitoib H-3                3771            12516                  30489         19080           16374        20452 (s70s.354 sono Cr-51                41.6              53.4                     118        75.7            72.-2         -68. 5 (12.1 195)
Mn-54                11.1              9.18-                 8.29          7.65.           9.06           8. 05 (1.1s.24.s) 00-58                8.53              4.67                  3.02          2.50            4.68           3. 68 ( t.ot.io.7)                     i Fe- 5 9_ --          7.04              2.97                  3.22           2.93           4.04           4.70 (1,17 8,44)
Co-60'               25.1              19.9                  24.8           20.4           22.6           19.4 (2.85 55.5:
         - Nb-95.               0.29              0.26                   1.06          1'.01         -0.66           3. 36 (2.se.4. to)
Zr-95                0.06-             0.11                  0.77          0.72            0.42           1.03(ainati. value)
          ;Ba-140                -                  -
0.15          0.26            0.21           1.46(ningle value)-
* Rf fluent quantitles and nuclide activition excerptsed true the two 1990 Suetonnuat Radloactivo
              - Ef fluent Release Reports already subeltted.
         -b     Resulta from monthly compositen.                          C  Resulte Cros quarterly conspoaltee.
23 e

l RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT POR 1990 APPENDIX A Lis t inntn[ 1990 RDIP Rffs3 din The following tables list individual analytical results and direct measurements of radiation (TLD exposures) recorded by the Radiological Environmental Monitoring Program (REMP) during 1990.        Activities measured for certain common and readily distinguished, naturally occurring nuclides are included to provide perspective. It should be noted that other gamma emittins, naturally occurring nuclides (e.g., primordial series) were often detected but are not listed because of the complexities and uncertainties of specific identifications.
A- 1

RIVER DEND STATION RADIOLOGICAL ENVJRONMENTAL MONITORINO PROGRAM Air Particulate Filter Gross ' Beta Activity (E-2 pC1/m ) -3 1990
                              -WEEK                                            INDICATOR LOC' ' IONS                                    CONTROL LOCATJONS ENDING'                       _ AA1            AB1     AR1           aoS       AP1     AQE2               ALC    6HS     AOS 01/08/90                           2.19         1.89      1,79         1.81       2.08     1.96              2.08   1.87    1.68 01/15/90                           2.90     -2.86         2.59         2.79       2.78     2.61              2.62   3.24    2.48 01/22/90                           1,47         1.73      1.46         1.50       1.43     1.47              1.53   1.69    1.49 01/29/90                           1,44     -1,73         1.71         1.47       1.70     1.68              1.54   1,82    1,64
.                         02/05/90                            1.77        2.00      2.00         1.90       2.04-    1.82              1.69   1.76    2.03 02/12/90                            1.85     -1.94        1.84         2.17       2.14     1.93              2.01   1.74    1.83 02/20/90                           1.83         2.13      1,82         2.05       2.06     1.98              2.03   1.96    1.90 02/26/90                           1.42         1,68      1.42         1.61       1.54     1.75              1.64   1.33    1.69 03/05/90                           2.07         1.84      2.13         2.32       1.95     2.11              1.25-  1.77    2.09 03/12/90                           1.76         1.84      2.36         2.34       2,06     1.90              1.89   1.90    2.03 03/19/90 -                          1.62      12.12       1.87         2.12       1.93     1.77              1.78   1.96    1.82 03/26/90                           2.13-        2.80      2.52         2.64       2.33     2.10              2.38   2.29    2.29 04/02/90                            1.71        2.16      2.19         2.05       1.77     1.61              1.80   1.68    1.85 04/09/90                           2.00         2,26-     2.19         2.34       2.16     1.85              2.14  -1.87    2.16 04/16/90                            1.73        2.37. 2.09         2.24       1.88     2.16              0.76   2.32    1.23
:04/23/90                            1.98         2.23~     2.01         2.20       1.93     1.41              1.85   1.87    2.17 04/30/90                           2.05         2.55-     2.16         2.28       2.02     1.60              1.93   1.89    2.20 05/07/90                           2.18         2.29 '2.28             2,16    :2.09       1.45              2.02   2.02    2.18
:05/14/90                             2.04         2.27      2.36         1.79       1.94     1.43              1,77   1.83    1.97 05/21/90                          .2.11         2.36      2.28         2.37       1.86     1.24              1.56   1.97    2.01
                        -05/29/90-                            1.99        2.05      2.03         -1.87      1.87     1.12              1.59   1,77    1.70 06/04/90                           3.06 -2.98             3.12-        2.87       2.84     2.64              2.18   2.59-   2.52 06/11/90                            1.83        1.86      1.75          1,59      1.62     1.63              1.31   0.74    1.42 06/18/90                            1.68        1.88 -2.11             1,91       2.02     1.84              1,40   1.41    1.66 06/25/90                           2.60         2.85      2.63         2.68       0.25     2.39              2.35   0.92    2.14 07/02/90                           2.88         2.77      2.78         2.95       2.45     2.69              2.24   0.55    2.15 07/09/90                           2.54         2.64-     2.31         2.48       2.26     2.41              1,74   0.54    2.01 07/16/90                           2.55- 2.45             2.37         2.27-      2.11     2.30              2.10   0.77    2.14 07/23/90-                          2.37         2.45      2.36         2.36       1.97     2.19              1.83  -0.67    1.86 07/30/90                          -3,51         3 36      3.46         3.77       3,15     3.42              2.76   0.89    3.07 08/06/90                           3.28         3;70      3.'56        3.52       3.21     3.19              2.72   0.80    2.45-08/13/90                           4.10        4.02'      4.19         4.16       4.00     3.79              3.60   1,05    3.27 08/20/90'                          4.39         4.20      3.85         4.00       3.54     4.25              3,30   1.17    3.54 08/27/90                        -3.27           3.37      3.29-        3.26       2.97     3.13              3.11   0.73    2.71 09/04/90                           2.97         3.04      3.20         2.98    -2.54       2.38              2.45  10.81    2.41 09/10/90                           3.94         3.90      3.91-        2.28       3.50     3.23              2.86   0.89    3.18
                        '09/17/90                            2.18      '2.26        2.37 '2.33                       1.80              1,79   0.98    1.70
                         -09/24/90                           2.92         2.95      3.00         2.25       1.98 - 2.02' 2.66-                      2.04   0.88    2.49 10/01/90-                         3.63         3.26      3~34         3.15       3.37_    2.49              2.64   0.53    3.01 10/08/90                          2.88         2.56      2.46         2.71       2.42     2.14              1.90   0.35    2,20 10/15/90                          2.60         2.41-     11 . 6 9 - 2.20         1.97     1.71.             1.61-  0.36    2.02 10/22/90                          2.94         2.83      3'. 21 -     2 66       2.73     2.54              2.32   0.46    2.49 10/29/90                          3.62         3.78-     3.13         3.70       3.39     3.04              2.94   0.59    3.61 11/05/90                          3.46-        3.52      2.87         3.28       3.24     2.74              2.58   0.77    2.88 11/12/90                          2.56         2.66      1.56         2.77       2-45
                                                                                                             .       2.01              2.78   2.73    2.64-11/19/90                          4.76         3.95      1.92         5.12       3.39     3.20              3.85   3.90    4.49 11/27/90-                         3.11         2.91      0.90
* 2.42     2.29              2,68   2.82    2.81 12/03/90                          2.78         2.54      2.86
* 2.48     2.30              2.89   2.89    2.82 12/10/90'                         2.82- 2-84      .      2.94
* 2,43     2.10              2.72   2.05   -2.64 12/17/90                          2.12         1.86      2.19
* 1.60     1,41              1.77   1.85    1.88 12/26/90                          2.53         2.18     -2.54         2.75       2.19     2,06              2.36   2.47    2.52 01/02/91-                          3.23 - 3.09 : 3.03                  3.34       3.21     2.77              3.07   3.26    3.58-NOTE:                Activitien shown are values actually meanuted; -' denotes that sampleu not available at location Ah5 dun to prolonged power outage.
A-2
^

   - -              - . _ _ _ . _ _ . _ . _ . _ - . _ . _ . _ .                                          ~ _           ___ _ _._ _ _ _._
           .              Ls.
RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM Air ~ Particulate Filter Beryllium-7 Activity (E-2 pC1/m 3) by Location - 1990 WEEK                                            .
INDICATOR LOCATIONS                                      CONTR0' LOCATIONS TEDMG .                            .JA1     _ R1,
                                                                   ,,            AP1     .ES,     _AP1 .JQS2                        JLQ_ J[{H       .30!_.
01/08/90                                                                                                        7.04 01/15/90                            18.90     12.90 13.10 16.50 11.30 11.70                                    11.00 12,90 10.20
               -01/22/90-                                 9.10                11.00 12.60         7.51          9.11               11.20 14.40      7.75
               .Ct 29/90                                 .        16.80         9.23            11.20           8.50                8.26 11.20 11.30 02 05/90                          _ 9.66 .13.50             7.95            11.10 12.50                        13.90 13.10 8.29        i 02 12/90                            12.30 13.50 11.60 11.30                   8.40 13.90                       15.20    9.29 12.50 02/20/90                             5.76 14.40 11.50 15.50' 9.70 8.50                                         14.40   12.30 12.70-02/26/90                            14.10                   9.76            10.40           7.62               10.10 11.10      6.56
__03/05/90                              12.80 12.30 21.30                       11.90 22.10                         9.51   12.40   13.90
                -03/12/90                              14.30 10.50 15.00 17.20 17.10- 11.80                                         6.64   11.20- 13.00 03/19/90                           10.80 13.60 17.90 21.00 15.90 16.70                                         13.90 18.60 11.60 03/26/90                            10,50 16.00 24.90 21.00 19.10 18.20                                        22.20 19.20 15.70 04/02/90                            10.60      8.89 -13.70 13.20 13.10 10.00                                   10.20    8.02 -11.70 04/09/90                           19.30 :21.501 11.60 10.80                  8.92 13.60                       11,10 14.70 14,70 04/16/90                           13.90 13.70 12.20 15.30 14.40 13.90                                          6.00 16.90      8.03 04/23/90                            14.10      9.64 13.20 11.10               9.81 17.08                       13.00    7.58    9.71 04/30/90                            12.80 20.10 16.10- 17.40 19.10 10.00                                       13.50 15.50 17.80 05/07/90                            11.50      9.90       10. 1 12,10         8.41          5.68                6.64 _7.92 05/14/90                          _10.70-      9.09' 10 t.          12.10   11.30           5,90               13.50 17.00 .16.90 05/21/90                           12.90      16.20 -16.'O          13.20 10.90             5,85               16,60    9.72   15.30 J                   05/29/90                          -11.20 0         8.71         9,e8     9.79     7.02          7.33                6.17 10.60      8.42 06/04/90                           11.20 12.80 9.40 20.00                   11'.70        10.60                 9.59    8.97   10.90
                -06/11/90                              13.00~ 11.60 12.20 11.10                   5.66        11.60                 6.50      . 9.63 106/18/90                               13.0L 10.10 14,70 11.10                    8.17 -10.90                              10.40 10.10 106/25/90:                               13.80 18.30 16.00- 6.92                   5.97 -11i00                      10.50            7.67.
                '07/02/90                              11.50 12.60 .9.90                 1.20 14.00 11.00                          10.30            8.52 07/09/90                            10.20 -15.10 -11.10            12.70      9.48 17.10                      -10.60           10.40 07/16/90-                          12.80      10.80- 12.30 10.90 11.30 13.10                                    8.48 07/23/90                             9.12     10.20 11.70 10.50
                                                                                                   ~
7.37                9.49           10.90
               '07/30/90                                          12.50' 14.50' 14.30 8.'51 . 9.36                                  7i28-          10.10 08/06/90                           11.50 12.30 10.30                 9.65 12.70 14.90                          12.70            7.12 l08/13/90-                              16.70- 11.90 -20.50 19,70. 11.50 -18.20                                     14.80           16.10-
                .08/20/90                              15.50- 10.50 -18.70 15.10' 14.80 12.10                                       1.70            8.50 1 08/27/90                                  9.76                   8.35- 8.34        8.55 L7.54                       11.00            7.14
                -09/04/90                              16.90- 7'65- 14.00
                                                                      .                  9.39     9.74 '7.15-                   ,   5.89            6.42 09/10/90                            17.20 10.00 '11 80                8.76     9.32 12.40                       14.60        -
                                                                                                                                                  '14.00 09/17/90                            10.20                   .9.81     6.38     6.44L 5.79                                6.63
                !09/24/90                              11.30H 14.80                      9.03     6.09          7.53                5.67            9.21 10/01/90                             8 84- 12.70 14.40 15.70 ?13.20 7.93                                       13.20           10.30 10/08/90                           18.30 12.70 -10.40. 12.10 -10.20 -11.80                                      9.71
:10/15/90 14.20              -
7.71   10.50     "9.06       '6.73 7.96 110/22/90-                                9.99- 16.80 13.90.            18.50; 11.40             9.65               10.40          110.70 10/29/90                             8.63 11.70 10.90                        -7.00: '5.42                                      10.00
:11/05/90.                             16.70 11.60 14.50 21;20                  16.30- 17.70                       10.70           11.50
                   -11/12/90                         - 10.00 -8.53                       9.07     8.69          6.39                9.72 13.-00     9.26 11/19/90                             8.01      9.78                15.70      8.68 12.40                    .14.10 15.40 -12.90 11/27/90                           16.60 12.80                       ~*     14i10         11.80                14.10 11i80 13.40 12/03/90                           1 5.20 12 50                      .*     13.00 10.20 11.80 17.40
                 '12/10/90'                            11.40- 13.70            8.33              8.08           9.50               10.90    6.83    9.54 12/17/90'                        111.60 12.30 110.20                  *   -
8.05       11,40'                11.90 11.10 8.03 12/26/90                           14.90 .11.50             8.94   10.30 10.70              7.36                7.47 ' 9.95 9.44 01/02/91                                       11.60                  6.87    J). 64         6.36               10.90    9.65 10.90 NOTRt LActivition utm u are valueu actually measurod;
* denoten that samples not ovatluble at loca-tion AKS due to. prolonged pm.dr outage.
A-3
                                                                ,                    =    ,-         - -             -

_ _ _ _ _ . _        ,- .        . _ .    ..   ._   ~. _ _ __ _ _               _    _          . _ . _   _m      _ -_             . . _ _
RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL HONITORING PROGRAM Air Par ticulate P11ter Cesium-134 Activity (E-2 pC1/m )3 by Location - 1990 WEEK                                           INDICATOR LOCATION                           CONTROL LOCATION MDl!il               AL         EL       JLL -          AhS      RL      J S2             A Q_      JL        291 01/08/90                  <2.59     <1.93    <1.80        <2.52      <1.67   <1.66            <1.61     <1.70     <1.68 01/05/90                  <2.36     <1.69    <1.47        <1.89      <1.34   <1.44            <1.37     <1,85     <1.34 01/22/90                  <1.77     <1.65    <1.39        <1.98      <1.45   <1.31            <1.25     <1.48     <1.39 01/29/90                  <1.52     <1.67    <1.54        <1.78      <1.32   <1.61            <1.32     <1.46     <1.50 02/05/90                  <1.85     <1.73    <1.77        <1.84      <i.53   <1.66            <1.07     <1.44     <1.28 02/12/90                 <1.44     <1.65    <1.39        < 2 .' 0 7 <1.35   <1.33            <1.33     <1.54     <1.32 02/20/90                  <1.48     <1.47    <1.47        <1.77      <1.36   <1.29            <1.29     <1.30     <1.43 02/26/90                  <3.19     <1.78    <1.46        <2.34      <1.50   <1.77            <1.58     < 1.' 7 2 <1.79 03/05/90                  <1.73     <1.67    <1.74        <1.99      <1.44   <1.55            <1.38     <l.34     <1.38 03/12/90                 <1.81    ~ <1.54   <1.47        <1.42      <1.31   <0.98            <1.47     <1.52     <1.60 03/19/90.                <1.73     <1.65    <1.43        <1.68      <1.40   <1.38            <1.33     <1.38     <1.48 03/26/90                 <1.67_ <1.40       <1.80        <1.97      <1.31   <1.66            <1.42     <1.29     <1.42 04/02/90                 <1.63     <1.52    <1.40        <1.43      <1.24   <1.12            <1.23     <1.39     <1.35 04/09/90                 <1.53 -<1.70       <1.39        <1.46      <1.21   <1.33            <1.22     <1.38     <1.33 04/16/90                 <1.21     <i.58    <1.56        <1.59      <1.34   <1.20            <1.12     <1.28     <1.16 04/23/90                 <1.45     <1.59.   <1.66        <1.57      <1.46   <1.41            <1.34     <i.12     <1.41 04/30/90                 <1.43     <1.57    <1.48        <1.63      <1.29   <1,43            <1.28     <1.21     <1.47 05/07/90                 <1.57     <1.46    <1.38        <1.67      <1.19   <1.28            <1.13     <1.36     <1.48 05/14/90-                <1,52     <1.45-   <1.52        <1.17      <1.29   <1.27            <1.08     <1.61     <1.37 05/21/90                 <1.46     <1.49    <i.53        <1.41      <1.34   <1.47            <1.32     <1.51     <1.51
              -05/29/90                  <1.28     <1.59    <1.25        <1.54      <1.23   <1.47            <1.21     <1.21     <1.26 06/04/90                 <1.95     <2.04    <2.08        <2,05      <1.61   <1.45            <1.50     <1.59     <1.43 06/11/90                 <1.65     <1.85    <1.53        <1.65      <1.39   <1.39            <1.25     <1.16     <1.39 06/18/90                  <1.41    <1.49    <2.04        <1.62      <1.46   <1.31            <1.20     <1.15     <1.24 06/25/90                 <1.75     <1.93    <1.53        <1.62      <1.39   <1.24            <*.67     <1.23     <1.26 07/02/90                  <1.59    <1.53    <1.48        <1.59      <1,34   <i 33            <1.28     <1.16     <1.40 07/09/90                  <1.62    <1.88    <1.57        <1.81      <1.36   <1.64            <1.31     <1.27     <1.66 07/16/90                  <1.65    <1.51    <1.54        <1.55      <1.49   <1.32            < 1.- 6 4 <1.27     <1.49 07/23/90                 <1.64     <1.72    <1.78        <1.69      <1.34   <1.27            <1.53     <l.46     <1.48 07/30/90                  <1.88    <1.88    <1.44        <1.82      <1.42   <1.46            <1.88     <1.49     <1.63-
               .08/06/90                 <1.71     <2.12    <1.61        <1.71      <1.41   <1.43            <1.36     <l.40     <1.18
              -08/13/90                   <1.91    <1.55    <1.26        <1.56      <1.43   <1.44            <l.53     <1.30     <1.35
:08/20/90                   <1.79    <1.52    <1.40        <1.71      <1.30   <1.48            <1.43     <1.30     <1.27
              .08/27/90                   <1.54    <1.77    <1.34        <1.54      <1.28   <1.41            <1.54     <1.14     <1.16 09/04/90                  <1.56    <1.43    < 1 '. 3 6   <1.44      <1.15   <1.28            <1.30     <1.11     <1.09 09/10/90                  <2.02    <2.04    <1.61        <1.89      <1.51   <1. 62 .         <1.53     <1.42     <1.63 09/17/90                  <1.65    <1.63    <1.32        <1.43      <1.28   <1.26            <1.44     < 1.' 3 2 <1.36 09/24/90                  <1.46    <1.49    <1.55        <1.33      <1.27   <1.54            <1.55     <1.32     <1.02 10/01/90            ' <1.67      <1.75    <1.38        <1.48      <1.28   <1.29            <1.20     <1.22     <1.19 10/08/90                <1.66    <1.44    <1.22        <1.48      <1,09   <1.21            <1.15     <1.21     <1.28
               .10/.15/90                 <1.52    <1.61    <1.56        <1.41      <1.45   <1.40.           <1.42     <1.28     <1.31 10/22/90                <0.94    <1.74    <1.47        <1.72.     <1-10
                                                                                       .    <1.60            <1.74     <1.46     <1.05 10/29/90                <1.22    <1.57   .<1.54        <1.43      <1.22   <1.37            <1.46     <1.31     <0.98 11/05/90                <0.85    <1.44    <1.51        <1.39      <1.31   <1.67            <1.48     <1.48     <0.96 11/12/90                <1.61    <1.55    <1.60        <1.42      <1.32   (1.48            <1.59     <1.55     <1.37 11/19/90                <1.81    <1.85    <1.55        <3.30      <1.45   <1.56            <1.59     <1.66     <1.47 11/27/90                <1.47_   <1.24    <1.12            *      <1.38   <1.11-           <1.11     <1.16     <0 96 12/03/90                <1.89    <2.14    <1.89            *      <1.60   <1.78            <2.70     <2.50     <2.55 12/10/90                <1.56'   <1.71    <1.46            *      <1.67   <1.41            <1.69     <1.30     <1.55 12/17/90                <1.55    <1.92    <1.59            *      <1.46   <1.49            <1.88     <1.75     <l.49 12/26/90                <1.71    <1.24    <1.79        <1.59      <0.95   <1.22            <1.20     <l.44     <1.25 01/02/91                 <1.83    <1.59    <1.77        <1.68      <1.56   <1.49            <1,48     <1.66     <1.74 NOTE: Activities indicated are minimum detectablo activittes (MDAn) under the particular condi-tions of analysea (1,0., Cs-134 may or may not have been present , but if so, there cannot have been more than the amounts shown), or they are values actually measured;
* denotes that samples were not avullable at location AKS due to prolonged power outage.
A-4

   . .       4 RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL, MONITORING PROGRAM Air Particulate Filter Cesium-137 Act ivity (E-2 pC1/m 3) by Location - 1990 WEEK                                         INDICATOR LOCATION                            CONTROL LOCATION ENDIN(L           l&L.         A1_. 3R1_         JKS._    EL             20S2         JW..      lluL     30ft 01/08/90            <2.23         <1.89  <2.02        <2.42    <1.51          <1.56        <1.60     <1.73     <1.65 01/05/90            <2.05         <1.50  <1,54        <2.11    <1.25          <1.38        <1.35     <1.53     <1,53 01/22/90            <1,56         <1,65   <1.54       <2.24    <1.13          <1.52        <1,17     <1.69     <1.30 01/29/90-           <1.70        <1,59    <1.58       <1.85    <1,20          <1.62        <1.32     <1.27     <1.50 02/05/90            <1.76        <1.65   <1.96       .<1.75    <1.60          <1.56        <1.27     (1.46     <t.51 02/12/90            <1.75        <1.62   <i.61        <2.33    <1.30          <1.64 ~      <1,65     <1.56     <1.54 02/20/90-           <1.62         <1.44  <1,55        <1,76    <1.22          <1.22        <1,27     < 1. 4 5  <1.55     i 02/26/90-           <2.30        <1.62   <1.82        <2.71    <1.90          <1.92        <1.78     <1.85     <1.60
       - 03/05/90            <2.20        <1.66   <1.37        <2.08    <1.53          <1.85        <1.62     <1,38     <1.68 03/12/90            <2.04        <1.86   <1.50        <2.01    <1.56          <1.49        <1.41     <1.43     <1.51 03/19/90            <1.57        <1.95   <1.67        <1.96    <1.61          <1.81        <1.40     <1.46     <1.72 03/26/90            <1.57         <1.91  <1.20        <1,08    <1.67          <1.77        <1.57     <1.66    < 1. 5 9 '
04/02/90            <1.60        <1,86   <1.59        <1.72    <1.15          <1.61        <1,26     <1,55    <1,35 04/09/90            <1,85        <1.53   <1.21        <1.94    <1.29          <1.42        <1.49     <1.44    <1.41 04/16/90            <1.68        <1.67   <1.54        <1,80    <1.33          <l.48        <1.10     <1.49    <1.47
       - 04/23/90            <1.61        <1,58   <1.64        <1.59    <1.55          <1.29        <1.51     <1.38    <1.48 04/30/90            <1.72        <1.91   <1.51        <1.82    <1.46          <1.31        <1.40     <1.45    <1.85 05/07/90            <1.59        <2.13   <1.40        <1,61    <1.36.         <1.57        <1.21     <1.74    <1.79 05/14/90            <1.73        <1.57   <1.64        <1.36   .<1.60          < 1. 72      <1.08     <1.57    <1.52 05/21/90            <1.63        <1.77   <1.48        <2.17    <1.41          <1.36        <1.19     <1.52    <1.72 05/29/90            <1.46        <1,55   <1.19        <1.36    <1.15          <1.36        <1.17     <1.29    <1.49 06/04/90.           <2.06        <2.56   <2.23        <1.97    <2.02          <1.54        <1.93     <1.64    <l 79 06/11/90            <1.91        <1.89   <1.61        <2.00    <1.69          <1.57        <1.43     <1.49    <1.36
,       .06/18/90            <1.53        <1.83   <2.05        <1.68    <1.45-         <1.41        <1.39     <1.38    <1.60 l        06/25/90            <2.06        <2.15   <1.87        <2.01    <1,24          <1.58        <1.85     <1,21    <1.40 07/02/90            <1.69        <1,46   <1.83        <1.47    <1.28          <1,50        <1.39     <1.35    <1,39
;        07/09/90            <1.81        <1.64   <1.74        <1.85    <1.38          <1.54        <1.60     <1.17    <1.68 07/16/90            <1.88        <1.50   <1.63        <1.58    <1.47          <1.61        <1.85     <1,32    <1.85 e        07/23/90            <1.98        <1.61   <1.39        <1.68    <1.64          <1.75        <1.52     <l.36    <1.63 l'       07/30/90            <1.81        <2.20   <1.92        <1.66    <1.42          <1.58        <1.59     <1.55    <1.75
,        08/06/90            <1.84        <1.90.  <1.71        <1.65    <1.30          <1.72        <1.77     <1.36    <1.24 08/13/90            <2.01        <1,85   <1.68        <1.81    <1.45          <1.55        <1.66     <1.45    <1.40 t
08/20/90            <1.78        <1.77  '<1.44        <1.40    <1,73          <1.31        <1.92     <1.52    <1.24 08/27/90            <1.76        <1.99   <1.62        <1.63    <1,44          <1,21        <1.67     <1,12    <1,12 09/04/90            <1.71        <l.66   <1i39        <1.29    <1.21          <1.51        <1.58     <1.06    <1.09 09/10/90            <1.87        <2.30   <1.58        <1.83    <1.63          <1.88        <1.72     <1.47    <1.33 L
09/17/90            <1.84        <1.74   <1.43        <1.83-   <1.27          <1.43        <1.39     <1.35    <1.31 09/24/90            <1.51        <1.62        .29     <1.74    <1.13          <1.34        <1.22     <1.41    <1.37
,.       10/01/90            <2.13        <1.78.       .45     <1.89    <1.26          <1,49        <1.58     <1.25    <1.42 L
L 10/08/90-           <1.89        <1.75   st.58        <1.58    <1.23          <1.65        <1.49     <1.30    <1.33 10/15/90            <1.85        <1.71   <l 94        <1.75    <1.69          <1.59        <l.78     <l.22    <1.60 i'       10/22/90            <1.10        <1.68   <1.68        <1.78    <1.47          <1.93        <2.00    <1.52     <1.24 l-       10/29/90:           <1.24       .<1.62   <1.62        <1.38    <1.43          <1.34        <1.41     <l.60    <1.51 11/05/90            <1 15        <2.28   <1.65        <2.11    <1.29          <1.67        <1.90     <1.54    < 1.- 12 11/12/90           <1.91        <1.78   <1,70        <1.32    <1.34          <1.54        <1.65     <1,66    <1.21
         -11/19/90           <1.78        <1. 93  <1.44        <3.45    <1.65          <1.88        <1.35     <1.82    <1.49 11/27/90            <1.26        <1.24   <1.26          *      <1.41          <1.29       '<1.10     <1.08    <0.94 12/03/90            <1.88        <1.98   <1.69          *      <1.79          <1.73        <2.90     (2i73    <2.57 12/10/90            <1.49        <1,81   <1.29          *      <1.40          <1.37        <1.92    <1,39     <1.59
       - 12/17/90            <1.71        <1.79   <1.54          *      <1.89          <1.48        <1.61    <1.78     <1.47 12/26/90            <1.71        <1.20   <1.66        <l.82    <1.01          <1.22        <1.30    <1.45     <l.11 01/02/91            <1.93        <1.75   <1.71        <1.77    < 1. '4 2      <1.56        <1.48    <1.69     <1.53
[            NOIR   Activities -indicated are minimum detect)ble activitista (tHMul under the particulur condia p~                  tions of analysen (i.e.. Cn-137 may or may not have been pressent, but if no, there cannot
                   .have been more than the amounta 14hown), or they are values actually meaanared;
* dunotes that namples were not available ut locatton AK$ due to prolonged power outage.
A-5

L l
i RIVER BEND STATION RADIOLOGICAL. ENVIRONMENTAL MONITORING PROGRAM Char coal Cart ridge Pot uslure-40 Act ivity (E-2 pC1/m3 ) by Location - 1990 WEEK                                                  INDICATOR LOCATIONS                                                             CONTROL LOCATIONS QO1EQ                                         lAL ._AltL EL                      EL                                             AEL    20S2  R      _ AWL 30fL 01/08/90                                        66.20 66.80 62.60                  82.60                                        41.20  56.40  53.40 59.70 56.50 01/15/90                                        89,70 57.70 59.00                  82.10                                        44.50  41.60  61.20 49.30 61.80 01/22/90                                        59.60 66.50 47.30                  63.20                                        50.00  54.60  52.80 58.10 45.80 01/29/90                                        41.50 58.80 56.40                  65.10                                        57.90  45.30  36.70 38.70 52.60 02/05/90                                        73,30 81.10 51.70                   56.50                                       49.30  40.90  39.90 52.00 54.70 02/12/90                                        64.40     56.40  68.90              39.90                                       43.50  50.70  77.80 38.80 34.80 02/20/90                                        60.30     50.50  48.60              60,10 53.10 37.20                                         50.70 35.50 43.40 02/26/90                                        52.30     67.80  52.90 227.00 32.70 58.30                                                     48.70 49.50 70.50 03/05/90                                        58.00     37.80  23.30              42.20 61.10 39.10                                         58.10 47.90 39.40 03/12/90                                        62.00             51.00              49.30 49.50 40.40                                        42.50 36.30 49.40 03/19/90                                        69.40     67.30 38.30                31.00 37.90 66.20                                        53.10 75.50 46.00 03/26/90                                        57.30     54.00 58.90                 75.70 67.10                                             38.40 43.10 54.00 04/02/90                                        43.10     66.30 43.30                 52.10 56.00 58.20                                       54.40 54.80 47,50 04/09/90                                        63.10     55.80 60.30                41.20 23.80 33.70                                        46.90 38.20 45.40 04/16/90                                        69.30     77.00 55.80                 50.50 39,50 45.20                                       35.20 65.50 47.60 04/23/90                                        65.00     55.80 52.20                47.10 45.20 53.10                                        42.00 36.10 59.50 04/30/90                                        62.80 53.40 58,70                     40.80 37.60 51.50                                       39.90 50.50 48.10 05/07/90                                        58.70 72.90 68.10                     67.40 72.60 57.40                                       57.50 62.10 70.00 05/14/90                                        87.30 54,40 83.60                      59.80 66.60 79.00                                      54.10 52.80 70.60 05/21/90                                        63.80 60.50 51.10                     70.00 70.10 58.10                                       61.30 54.50 65.00 05/29/90                                        62.50 44.80 56.70                     66.60 56.50 50.40                                       68.30 63.10 54.40 06/04/90                                       102.00 92.20 73.90                      89.20 89.20 78.30                                      65.90 85.80 79.80 06/11/90                                        74.80 62.70 80.20                      97.30 66.30 69.90                                      70.10 45.80 59.70 06/18/90                                         70.20 73.50 76.00                     82.60 53.00 52.10                                      72.40 49.90 64.70 06/25/90                                         54.90 70.30 82,30                     66.00 60,00 88.50                                       57.70 51.40 59.90 07/02/90                                         66.90 84.70 98.90                      74.90 39.50 62.20                                      58.00 44.30 81.00 07/09/90                                         69.50 97.40 73.00                      71.60 66.10 77.10                                     81.90 51.90 51.90 07/16/90                                         83.20             64.60                76.30 55.70 60.80                                     67.10 54.40 64.90 07/23/90                                         80.60 69.40 62.60                      72.50 53.00 39.00                                      50.80          59.20 07/30/90                                        73.20 60.00 69.00                      89.80 55.60 66,10                                     85.40 58.80 57.00 08/06/90                                        83.40 66.50 67.20                      73.70 58.40 43.80                                      68.60 46.70 56.40 08/13/90                                        93.30             57.10                83.30                                           46.60  52,30 57.40 67.50 08/20/90                                        73.50 53.10 60.50                      62.00 63.40 60.30                                      73.00  55.90  47.30 08/27/90                                        78.10 70.60 73.50                      63.00 85.30 49,50                                      65.40  55.20  47.50 09/04/90                                        59.80     63.40  40.40                  39.90 50.60 41.60                                     46.50  30.20  74.20 09/10/90                                        72.90     85.60 70.60                   92.40 67.70 84.60                                     49.80  72.10  62.50 09/17/90                                        84.40     65.10  72.60                  64.80 53.50 .48,10                                    54.80  57.10  62.90 09/24/90                                        65.60     73.30  67.20                  99,20 46.90 61.70                                     $3.10  44.80  59.10 10/01/90                                        55.00     63.20  44.80                   56.40 83.00 56.50                                    69.50  61.00  31.50 10/08/90                                        41.50 74.90 .59.30                      40.80 36.30 40,60                                     42.80  43.50  38.00 10/15/90                                        32.50             41.10                  28.90                                  29.90  40.90  36.50  59.20  21.20 10/22/90                                        26.00             27.90                  39.60                                  48.10  35.20  51.90  35.30  36.00 10/29/90                                        41.20 44.70 47.20                        37.10                                  48.00  42.50  23.60  43.90  24.60 11/05/90                                        32.20 55.90 57.80                        25.30                                  46.80  43.90  47.40  36.80  59.80 11/12/90                                        46.10 49.70 44.90                        41.50                                  29.20  38.20  44.80   32.70 42.50 11/19/90                                         45.90 23.60 60.30                        79.30                                 40.00  40.60  49.80 48,30 11/27/90                                           31.00 43.90 49.40
* 36.70  23.90          40.20 66.80 12/03/90                                          47.40 46.40 44.60
* 32.70  59.70  60.00 76.20 33.40 12/10/90                                          38.10  36.90  41.80
* 47.60  57.00  51.70 43.70 29.00 12/17/90                                           49.70  81.70  65.60
* 50.40 43.20  28.10 53,30 38.20 12/26/90                                         43.70   44.80  32,10                    48.40 29.20 30,30                                   36,50 33.30 50,40 01/02/91                                           24.70  50.00  33.50                     50.40 40.50 42.10                                  44.80 45.50 50.40 l
NOTE: Act ivi t ion nhown are s aluun actually meanurmt;
* denotun that namples weto not available at                                           l locatton AhS duo to prolongmi power outeHh                                                                                                I A-6

   .         .  -                                   - - - - . _                     .       -    -~ ---               . - - - - . - . . - .
I RIVER BEND STATION ItAD10 LOGICAL ENVIRONMENTAL MONITORING PRO 0i!AM Chatcoal Cat tildge Iodine-131' Activity (E-2 pC1/m 3) - 1990 WEEK                                                    INDICATOR LOCATION                             CONTROL LOCATION MDH9                l!L            lEL.              ALL          .EL          JI1.          3 032  31&_               JLft      20ft.
01/08/90               <2.99          <2.09            <2.04        <2.55        <1.83         <1.96   <1.88              <2.04    <2.12 01/15/90               <2.24          <1.82            <1.87        <1.96        <1.44         <1.52   <.1. 3 3           <2.22    <1.94 01/22/90               <1.86          <1.79            <1.82        <2.32        <1.85         <1.49   <1.71              <1.44    <1.82 01/29/90               <1.96          <1.42            <1.78        <1.99        <1.34         <1.75   <1.38              <1.62    <1.89 02/05/90               <1.81          <1.62            <2.00        <1.75        <1.58         <1.35   <1.26             <1.69     <1.47 02/12/90               <1.56          <1.61            <1.92        <2.05        <1.51         <1.65   <1.94              <1.62    <1.70 02/20/90               <1.79          <1.70            <1,48        <2.19        <1.31         <1.88   <1.44             <1.51     <1.77 02/26/90               <2.23          <2.25            <2.15        <2.88        <1.94         <2.17   <1.69              <2.05    <2.14     !
03/05/90               <1.84          <1.84            <1.76        <1.84        <1.65         <1.32   <1.61             <1.76     <1.83     4
        -03/12/90               <1.62          <1.53            <1.69        <1.97        <1.66         (1.69   <1.60              <1.48    < 1, 58   ,
        -03/19/90               <1.96          <1.76.           <1.83        <1,97        <1.46         <1.74   <1.52             <1.80     <1.70    l
        .03/26/90               <1.80          <1.87-           <1.87        <1.87        <1.73         <1.64   <1.50              <1.85    <1.83 04/02/90               <1.87          <1.43            <1.62        <1.82        <1.38         <1.54   <1.76              <1.69    <1.74 04/09/90               <1.66          <1.61            <1.82        <1.66        <1.73         <1.57   <1.89              <1.55    <2.16 04/16/90               <1.85        - <1.64            <1.66        <1.64        <1.40         <1.61   <1.47              <1.42    <1.75 04/23/90               <1.98          <1.67            <1.76        <1.69        <1.65         <1.45   <1.56             <1.60     <i.71 04/30/90               <1.98          <1,42            <1.74        <1.73        <1.66         <1.44   <1.58              <1.40    <1.94 05/07/90             - <1.81          <1.67            <1.98        <1.70        <1.68         <1.56   <l.48              <1.48-   <2.09 05/14/90               <1.92          <2.07            <2.05        <1.88        <1.48         <1.60   <1.40             <1.44     <1.67 05/21/90               <2.05             1.00          <
                                                                '1.92-       <1.79        <1.47         <1.37   <1.93              <1.76    <i.60 05/29/90               <1.57             1,66            1.61       <1.64        <1.64         <1.19   <1.59              <1.21    <1.65 06/04/90                 1.6!            2.41            3.09       <2.34        <2.21         <1.88   <1.97              <2.02    <2.01 06/11/90               <1.8e          s2.06            <2.32        <1.99        <1.89         <1.71   <1.47             <1.50     <1.75 06/18/90              <1.72              0.96          <2.37        <1.95        <1.76         <1.74   <1.58              <1.42    <1.96     !
06/25/90               <2.08          <1.99            <2.30        <2.00        <1.67         <1.72   <1.83              <1.51    <1.77 07/02/90               < 1. 74-       <1.76            (1.70        <1.93        <1.60         <1.53   <1.78              <1.74    <1.75 07/09/90               <1.91          <1.75            <2.00        <2.06'       <1.70         <1.72   <1.80             <1.67 -<1.97 07/16/90               <2.22          <4.78            <1.89        <2.03        <1.44         <1.60   <1.83              <1.31    <2.15 07/23/90               <1.77          ~1.77            <2.04        <1.94-       <1.54         <1.79-  <1.64              <1.60    <1.79 07/30/90             _ <1.96          <1.86            <1.92        <2.03        <1.69         <1.87   <1.82              <1.69- <1.58 08/06/90               <1.69          <1.73            <1.86        <2.08        <1.71         <1.55   <1.83              <1.58    <1.59 08/13/90               <2.16          <1.97            <1.92        <2.07        <2.02         <1.61  '<1.81              <1.57    <2.07 08/20/90-             <2.09         _-<1.86            <1.64        <1,66        <1.63         <1.71   <1.91-             <1.48    <1.63     '
08/27/90               <1.83          <1.87            <1.53        <1.98        <1.42         <1.39   <2.02             <1,05     <1.77 L
09/04/90=             <1.64           <1.39            <1.53        <1.51        <1.18         .1,30
                                                                                                        <       <1.40              <1.12- <1.10 09/10/90              <1.95           <2.24- <1.84                  <1.95        <1.56         <1.77   <1.98              <1.90    <2.12 109/17/90.            _ <1.69        ' <1.94            <1.83        <1.91        <1.58         <1.48   < 1.- 50          <1.68     <1.65-09/24/90-              < 1. 7 7 -     <1.73            <1.71        <1.65        <1.39         <1.75   <1.62              <1.51    <l.78 10/01/90-             <1.48           <1.73
                                                .               <1.64        <1.61        <1-.40        <1.55   <1.70              <1.55    <1.59 10/08/90              <1.76          <1.65 ' <1.35                  <1.63        <1.49         <l.68   <1.92             <1.631 <1.65
         .10/15/90              < 1._ 2 7      <1.93            <1.56        <1.73-      ;<1.05       - <1.35   <1.53             <1.39     <1.57 10/22/90              <1.08           <1.83            <1.56        <1.64        <1.36         <1.54   <1.71              <1.63~   <1.18-10/29/90               <1'24
                                    .          <1. 90           <1.65        <1.76        <l.44         <1.56   <1.70             <1.62     < 1.17 -
11/05/90              <1.14           <1.85            <1.59        <1.69        <1.37         <1.69   <1.28              <1.51    <1.38 11/12/90              <1.50           <1.79            <l.71        <1.61        < 1.15 -      <1.50   <2.06             <1.37     <1.70 11/19/90-             <1.65           <1.80 4<1.80                  <2.90        <1.58         <1.60   <1.49              <l.75    <1.72 11/27/90             <1.58           <1.69            <1.85          *          <1.39         <1.44   <1.35             <1.20     <1.08-
!       E12/03/90-              <2.33          <2.24            <2.25          *          <1.89         <1.91   <3.41              <3.10    <3.53-l' 12/10/90              <1.76           <1.58            <1.76          *          <1.35         <1.67   <1.93             <1.75     <1.66 12/17/90'             ~<1.58-         <1.83            <1.70          *          <1.66         <1.43   <1.88              <2.02    <2.00-
         =12/26/90             <1.29           <1.33            <1.19        <1,97        <1.13         <1.13   <1.65             <1.37     <1.24
        .01/02/91'             <1.69           <1.59            <1.72        <1.75        <1.40         <1.42   <1.94              <1.74    <1.63 NOTE! Activities shown are -values actually meneured, wherman thona indicated as "<" are minimum detectable activities (HDAs) under the particular conditions of unalysia) of nucliden for which
                     . analyses are required by itBS Technical Specifications (that to. 1-131 may or may not havo been present. but if so, thert e snnot have been more present than the amounts notodi;
* denotes that complos were not available at location AKS due to prolonged power outagw.
A-7

_              _    . _ . - _- ~ _      ~         .            -,.      . __._ -_ _ _         __          __     . _ . _ _
RIVER IlEND STATION RADIOLOGICAL ENVIRONMENTAL, MONITORING PROGRAM Charcoal Cartt idse Cesium-137 Act ivity (0-2 pCi/m3 ) by Location - 1990 WEEK                          .
INDICATOR LOCATIONS                             CONTROL I,0 CATIONS EMRO                        _ML          ARL _ARL         ._AKE_      _AEL __AQS2          ._ Alt 0_  _MLS-         ._ AGE 01/08/90-01/15/90 01/22/90 01/29/90 02/05/90-02/12/90 02/20/90 l02/26/90 03/05/90 03/12/90
     .03/19/90 03/26/90
     -04/02/90
    '04/09/90 04/16/90
    -04/23/90 04/30/90 05/07/90 05/14/90
* 05/21/90 05/29/90                                                                                                                    ,
:06/04/90 06/11/90.
06/18/90-06/25/90 07/02/90:
    ~ 07/09/90 07/16/90
    '07/23/90                                                     1.33 07/30/90 08/06/90
    -08/13/90 08/20/90
* 08/27/90-                                         .3 09/04/90 09/10/90 09/17/90 09/24/90                     1.01
    -10/01/90
     ~10/08/90 10/15/90-iO/22/90
    -10/29/901                                                                                               1.31-11/05/90 11/12/90
    '11/19/90                                                                         0.90 11/27/90
    -12/03/90 12/10/90 12/17/90.
12/26/90 01/02/91 NOTHl Act ivit ies shown ure valtwa actually measus ed;
* deno t es t ha t o. imp laisi were riot avallublu ut           ~
loca t iott AKS due to prolonge<l power outage.
A-8
                                             ,rm'                           y     v

IITVEll BIND STATION RADIOttX11CAI. FNV11tONMlWPAL MON 1'IUltlNG IWXIllAM Norun11 zed Gzunma-Ray Npasure Sumnnry (mR)
Quarterly Thermoluminescence Dos 1 meter Hesults for 1990 INDICATOR SI6TIW                         lET._RW             RS1RW           ._DRIUZI1t        411L R W TA1                            11.24              13.42             15.97           12.56 TA2                            12.55              14.41             15.39            14.13 TB1                            11.78              12.73             13.7G           13.44 TD2                            11.71              15.10              17.37          13.93 Tcl                           12.08              13.32              13.91           12 . 9 f>
TC2                            9.55              11.11              13.23           11.68 TCS                           10.21              10.75              12.22           10.41 TD1                           11.82              14.51              14.00           13.15 TD2                           11.68               11.94             13.61           11.78 TE1                           11.65              12.04              14.90           12.37 TE2                           10.55               10.85             11.83             9.53 TF1                           10,67               12.83             14.50           12.76 TF2                           11.55               15.52             14.50           13,74 TG1                           12.29               13.03             16.68           15.50 702                           10.81               11.84             14.10            12.88
                          '1111                           9.53              10.45             11.83            11.00 Til2                           11.01              12.1i             13.20            10.37 TJ1                           10.91               11.15             13.01            11.49 TJ2                            9.88              11.40             13,20            10.26 71< 1                         10.74              12.53             13.61            11.49 E2                            12.15              13.72             14.30            13.25 ES                            10.44              11,34             12.47            10,85 TL1                           10.84              13.42              14.30           12.46 TL2                            9.95              10.85              11.73           10.00 TLS                           11.25              14.41              13.91           13.20 TM1                             9.29             10.95              11.73           10.16 TM2                           13.85               13,52             15.49           15.10 TN1                           11,55               13.52             14.50           12.17 TN2                            9.68              10.65             12.03           10.21
                            'IT)1                        12.46               14.31             15,98           12.95
                            'lT)2                        10.91               13.12             15.38           12.46 TQ1                          10.77               11.54             13.61           12.95 m2                           10.01               12.01             13.42            10.60 NS1                           11.98              14.61             15.18            13.17 TQS2                         10.87              11.54             12.64           10.07 TR1                           7.81                9.07              9.70            0.01 TR2                          10.95              12.63             13.61            15.69 TRS                          11.88              13.62             14.20            14.14 CONTROL 61WU%
TAC                          12.58               12,81             14.50           13.85 TEC                          11.48               12.53             15.49           12.69
                             '10S                         11.21               12,83             14.50           13,37 T!!S                        13.45               14.01             15,98           14.33 TLC                         10.31               10.75             11.63           11.33 TQS3                        11.51               12.01             14.79           11.72 A-9

RIVER BEND STATION RADf0 LOGICAL ENVIRONMENTAL MONITORINO PROGRAM Normalized Gamma-Ray Exposure Summary (mR)
Monthly Thermoluminescence Dosimeter Results for 1990 INDI-CATOR SIA110li   .E _fEB JAB E JAY E E E                              SSE _9.C1 .jiEE EC TA1     3.87 3.71   3.85 3.71     3.84 4.78 4.87 4.65 4.17 5.17 5.01 4.21 TA2     4.63  4.73 4.02 3.99     3.94 4.78 4.75 5.18 5.39 5.76 5.27 4.36 TB1     4.28  4.25 4.17 3.85     3.94 4.67 4.77 5.09 4.83 5.48 4.83 4.64 TB2     4.28  4.23 4.05 4.31      4.03 5,06 4.96      5.26 4.72   5.26 4.82 3.93 TC1     4.39  4.20 4.23 3.92     3.80   4.78 4.87    4.91 5.06 5.38 4.92 4.32 TC2     3.32  3.73 3.08 3.45     3.26   3.72 4.06    4.32 4.17 4.56 3.91 3.10 TCS     3.32  3.20 3.26 3.34     3.65   3.56 4.23     3.89 3.61   3.96 3.73 3.52 TD1     4.57  3.88 3.83 3.71      4.00  5.34 4.97     5.18 4.83 5.69 5.09 4.32 TD2     3.84  3.95 3.47 3.88     3.65   4.88 4.65    4.75 4.39 6.56 5.09 3.52 TE1     4.07 3.80 3.77 3.50 3.80 4,78 4.29 4.91             5.28 4.97 4.92 4.00 TE2    4.01 3.73 3,14 3.13 3.07 4.13 4.02 4.06 3.72 4.76 3.91               3.21 TF1    3.86  3.68  3.61 3.81     3.90 4.59    4.77   4.55 4.50 5.17 4.66 4.21 TP2    4.22  3.98  4.26 4.20    3.84 4.41      5.06  4.92 5.28 5.46 5.18 4.55 TG1    4.64  4.23  3.89 4 43    3.90 4.88      5.06  5.46 4.72 5.38 4.92 4.00 TG2    4.46   4.13 3.77 3.88    3.80 4.66    4.66     5.18 4.17 5.05 4.91 3.83 Till   3.57   3.26  3.39 3.09    3.20 3.75    4.19   4.27 3.72 4.24 4.06 3.03 Til2   3.84 3.95 3.35 3.24 3.60 4.69 4.13 4,32 3.67              4,08 4.09 3.41 TJ1     3.89 3.95 3.52 3.61       3.60  3.94 4.09 4.27 4.06 4.97 4.41 3.46 TJ2     3,60 3.72 3.33 3.24       3.07  3.56 4.02 4.09 3.89 4.44 3.63 3.03 TK1     3.96 3.88 3.52 3.40      3.60   4.68 4.97 4.56 4.61 4.97 4.41 4.21 TK2     4.31 4.28 3.65 3.99      4.06   4.98 4.58 4.09 4.39 5.15 4.21 4.23 TKS     3.77 3.85 3.24 3.81       3.55  11.17 4.03 4.09 3.89 4.44 4.15 4.00 TL1     4.21 4.99 3.67 4.12      3.50   4.13 4.67 5.00 4.61 4.76 4.83 3.46 TL2     3.48 3.39 2.83 3,03 3.20 3.48 3.71            4.00 3.72 4.08 4.25 3.84 TLS     4.65 4.09 4.00 3.99 3.89 4.66 4.67 4.46 4.72 5.15 5.28 4.62 TM1     3.96 3.78 3.11 3.30 3.00 3.56 3.61 3.91 3.83 4.35 3.98 2.39 TM2    4.54 4.91 4.40 4.10 4.06 5.41 5.35 5.55 5.17 5.63 6.03 4.55 TN1    3.93 4.16 4.11 3.61 3.60 4.69 4.19 4.27 4.17 5.69 4.83 3.89 TN2    3.65 3.46 3.00 3.03 3.11 3.80 3.90 4.18 3.83 4.37 3.59 3.72 TP1    4.68 4.13 3.90 3.71 4.20 4.97 5.06 4.83 4.50 6.00 4.75 3.46 TP2    4.28 3.74 3.67 3.35 3.84 4.39 5.16 4.41 4.83 5.06 4.74 3.57 TQ1    4.21 3.95 3.47 3.61 3.30 4.13 4.48 4.55 4.50 4.76 4.06 3.35 TQ2    4.08 3.61 3.80 3.67 3.45 4.39 4.16 4.49 4.17 4.66 4.74 3.78 TQS1   4.66 3.95 3.86 3.67 3.94 4.59 4.76 5.26 4.50 5.36 4,74 4.24 TQS2   3.98 3,98 3.47 3.19 3.37 4.66 4.36 4.23 4.06 4.76 4.21               2.90 TR1     3.52 2.89 2.92 2.78 2.78 3.52 3.51 3.68 3.28 4.14 3.81 2.59 TR2     3.63 3.88 3.65 3.35 3.45 4.50 4.44 4.75 4.50 5.36 4.91 3.37 TRS    4.22 4.02 4.20 3.88 3.94 4.78 4.54 4.58 4.50 5.46 4.73 3.67 CONTROL S1hTLQ1i TAC    4.18 3.95 4.08 3.88 3.80 4.68 4.46 4.75 4.50            4.76 4.39 3.83 TEC    4.22 3.95 5.26 3.35 3.74 4.88 4.75 4.*49 4.83            5.36 4.36 3.87 TOS    4.87 4.20 4.50 3.88 4.06 4.55 4.66 4.74 4.72             5.54 5.00 4.07 THS    4.54 4.23 4.11 4.20 A 40 5.3C 4.76 5.36 4.94             5.25 5.37 4.87 TLC    3.68 3.46 3.36 3.24 3.71 4.23 4.00 4.09 3.72            3.99 4.15 3.57 TQS3   4.14 4.12 3.84 3.67 3.50 4.45 4.26 4.75 4.72             5.26 4.74 4.14 A-10

l i
RIVER llEND STATION RAD 101,001 CAL ENVIRONMENTAL MONITORING PROGRAM -
                           - Gross lletts Activitics (pCi/ liter) in Water Samples - 1990 IXI!LCAIOR LOCA110NS                                  CONTRQL1GCAT10ES__.
SAMPLING PIRLQD                  fiED        18        DL           ED                   S.EU     EU         ELAE!~-
J AN --             8.46          6.17     35.64                              10.80                <2.22         l FEB                 6.02          6.06     20.69'                              5.00                <2.14          ,
MAR                 5.95          4.83     35.34        <2.46                  5.95   <2.42         3.63 APR                 6.64          8.17    .41.20                               6.87                <2.06 MAY                13.73         11.78-    67.42                              13.70                14.78 JtIN               12.07         12.44     49.09-        5.73                11.11     6.89         4.24 Jift               17.05         13.02     49.16         4.83                14.32     S.95         3.54 AlIO               10.13        14.36      34.00         5.36                11.08     5.25         4.07 SEP               -10.11        11.21      38.09                               9.63                 4.46 OCT               .11.08         10.50     49.97                             13.57                  4.78 NOV                 4.66        10.55      34.32                               9.08                 4.94 DEC                 3.36          4.53     29.77         3.02                  5.90   <2.80        <2.22 NOTB;          I Distilled, cetonized-woll water (laboratory reagent water).
Samples from SWD, DW,' and HWU are componites of weekly gruba; samples f rom D1.
are compositen of hourly grab i 'samplea f rom WD and WU are quarterly graba, Activitien shown are valuon ' actually. measured, whereas those indicated as "P are minista detectable activitius (MDAs) under the part icular coindit ions of anatosis (that :ia, grose beta act ivity may or siay not have been present, but. If so, there cannot have been more present than the amounta listed).
L A-11 p
      ~

  ..;         s RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM Tritium Activities (pC1/ liter) in Monthly Water Samples - 1990 INDICATOR L0 CATIONS                                CONTRE _L0fATIOnS SAMPLINO
{                PERIOD              EED                 DH-         E       ED                     EW       W     E6E' JAN             <175               <176         4243    <173                  <176     <174       <176 FEB             <178-              <178         3981    <174                  <181     <173       <181 MAR              <178               <184         7900    <176                  <181     <179       <180 APR              <181               <182         5597    <181                     191     n.a.     <182 MAY              <198               <198        10617    <198                  <198     <198       <196 JUN              <l70               <170        17300    <170                 <170      <170       <197 JUL-            -<209               <210        21008    <207                  <209     <211       <210 AUG              <188               <188        28884    <190                 <188      <184       < 189
                  -SEP              <191'              <193        60410    <191                  <193     <189       <190 OCT              <187               <187        50728-   <186                 <187      <186       <1HO NOV             -<188               <183        39626    <189                 <189      <189       <188 DEC              <184               <184         3575    <184                 <185      <184       <184 Tritium Activities (pCi/ liter) in Quarterly Water Samples - 1990 INRICATOR LOCATIONS                                  CONTRQL_LQff_T10fj_
SAMPLING.
EERIQD              EWD                DH           E       HD                     EW      Hl!    Efff
                 -QTRt              <180               <180-        5705    <176                 <188      <179      <179 QTR2              <205               <203        10294    <170                 <205      <170      .207 QTR3              <192               <192_       35450    <191                 <194      <!89      <186
_QTR4'             <179              _ <180       30360    <184                -<180      < 18 '4  -<177
                  . N0TE: 1Distiltro, deinntred weit water (laboratory reagent water).-
Samples from SWD, DW, and SWU are composites of weekly grabs; samples from DI. cro composites of hourly grabs; - samples f rom WD and WU are monthly graba (none obtained at Wtt in April;               the license requirement for sampling la quarterly).
Activities shown are values actually measured, whereas those indicated an "<"-
are minimum detectable activities (HDAs) under the particular conditions of analysts (that Lo, tritium may or may not have been present ,-but i f no, there cannot have been more present than the amounts listed).
A-12

RIVER llEND STATION RADI01.001 CAL ENVIRONMENTAL, MONITORING PROGRAM Gamma-Emitting-Nuclide Activity (pCi/ liter) in Vatet by Location - 1990 llERVLLIUH-7                                                   !
____ lEDICAIRR.10CAILQb'S.                              _CONIRQU0 fall 0M PERLOD                  SED          W               DL       ED                   tiW           EU DEC                                                      14.90 POTASS10M-40 INDICA 19]LLQflT19NH.                       _fQb"IROMQGAT10M EIB100                  EED          DS              DL       HD                   EW            W JAN                  15.50      15.00         28.30                            11.00 PEll                                          16.60 MAR                  19.10      22.10         17.50                            12.10        12.50
   -       APR                  15,00      12.00         31.30                            18.90 MAY                  13.20                    24.10                            15.20
          -JUN                  18.10      13.80         27.00        9.27                20.00        18.40 JUL                  15.00      18.40         33.30                            17.50 AUG                  14.70      10.30         36.40        1.70                17.90        18.00 SEP                  12.80      19.10         30.80                            18.20 i'         OCT                                           26.00 NOV                  19.20      17.50         23.10                            19.90 DEC                  13.90      13.30         33.00                            12.00        13.30 L
CHROMIUM-51 INDICAI9B l0_CAIl0N$ _                      _CQSISQMQfATJ.0FS EfdLQD                  SSD          DE               EL      VD                   tiEU          W JAN                                            23,20 PEB                                            24.00 MAR-                                           70.00-APR;                                             13.10 MAY-                                           60.40 JUN                                            44.80 TUL                                          -63.10 AUG.                                           62,70
         'SEP-                                           185,00
           /'CT .                                        195.48 NOV                                               12.10 DEC NOTRt Activitlen shown pro values actually measured, whetrean those indicated as  ''t"  are minimum detectable . activit ies under thw particular uunditionn of analyula of nucliden for which analyses are required by HRS Technical Specificationn (that in, the huclidos may or may not have buon present, but if no, there cannot have been more present than the amountu 11n ted )
A-13

RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM Gamma-Emitting Nuclide Activity (pCi/ liter) in Water by Location -1990 MANGANESE-54 1NDICATOR L0 CAT 10NS                                           _C,QEIttQL._LQCATlQNE PERlQD                 SMD           EM             EL                ED                                  SEU      EU JAN                  <1.81       <1.78          6.60                                                 <1.71 FEB                  <2.28       <2.43          4.25                                                 <2.12 MAR                  <1.73       <1.81         13.30         <2.34                                    <1.74     <2.17 APR                  <1.80       <1.63          9.84                                                 <1.56 MAY                  <1.62       <1.69         24.80                                                  <1.82 JUN                  <1.78       <1.72          3.02          <1.65                                   <1.74     <1.76 JUL                  <1.66       <1.59          4.43                                                   <1.71 AUG                  <1.6Q       <1.78           ?            <1.61                                    <1.71    <1.76 SEP                  < 1. h      <1.64           7 9291                                                <1.61 OCT                  <2.40        <1.72        11.61                                                   <0.82 NOV                  <1.72        <1,79          6.75                                                  <1.81 DEC                  <1.71        <0.95          1.19         <1.84                                    <0.91    <1.86 COB \LT-58 INDICATOR L90ATIO.NS                                            _CfLNJJLOL L0gAIl0NS P_ERIOD                 EED          DE             EL                     ED                              SEU      FU JAN                  <1.98       <2.03           1.01                                                   <1.96 FEB                  <2.37       <2.34           1,74                                                   <2.44 MAR                  <1.65       <1.85                0     <2.12                                       <1.95  <2.13 APR                  <1.84       <1.70         15.Q. ]a3                                                <1.i2 MAY
                                            <1,8)a
                                                        <1.72           9.87                                                   <1.98 JUN                  <1.9        <1.91           1.52       <1.52                                       <1.89  <1.79 JUL                  <1.88       <1.98            1.95                                                  <2.16 AUG                  <1.75       <1.96           0.97       <1.98                                       <1.95   <2.08 SEP                  <1.83       <2.06           1,57                                                   <2.02 OCT                  <2.65       <1.9}           3.86                                                   <0.96 NOV                  <1.94        <1.9/           1.73                                                  <2.18 DEC                 <2.15        <1.22        <1.98        <2.02                                       <1.20   <1.96 IRON-59 LEDICATOR LOCATLQNS                                             CONTRDLJOCATlQES PERIqD                  SSD          DF             DL               Wu                                    SEU    EU JAN                 <3.91        <3.97        <5.01                                                    <4.07 FEB                 <5.63        <5.88        (7.28                                                     <6.10 MAR                 <4.22        <4.43           7.85      <3.93                                       <4.46  <4.12 APR                  <4.14       <4.30           4.52                                                   <3.89 MAY                  <4.29       <4.77           8.44                                                   <5.18 JUN                  <4.23       <4.02        <4.56        <3.43                                        <4.41 <3.55 JUL                  <4.76       <5.04         <5.42                                                    <4.68 AUG                  <4.22       <4.60           9.51       <3.91                                       <4.69 <4.80 SEP                  <4.08       <4.78           3.08                                                   <4.45 OCT                  <6.62       <4.47            1.77                                                  <1.98 NOV                  <4.68       <4.40         <5.43                                                    <4.67 DEC                  <4.28       <3.35         <4.54        <4.81                                       <3.17 <5.14 NOTf:  Act iv ttler. shown are values actually measut ed, whereas those indicated as "<" are minimum detuctable activities (MDAs) under the particular conditions of analysis of nuclides for which analyses are required by RBS Technical Specifications (that is, the nuclides may or may not have been present, but if so, there cannot have been more ptesent than the amounta lis t ed) .
A-14

RIVI'.it BFND STATION RAD 101.UG1 cal. ENV1RONMLNTAL MONITORING l'ROGilAM Gainma-Etcit t ing Nuclide Ac t ivi t y (pCi/li t et ) in Water by 1.acation -1990 COBALT-60 q
__._lMLLCAT0lLIACAIl0M                                                        19 M R01c.l E ail 0ES wi10D                                   EVi!            DE               I!L          MD                                         FU           UU
         ;f AN                               <1.89           <1.94          <9.;7                                                       < ?, . 00 hb                  bY          ,    5 MAY                                 <1.82           <1.71          55.50                                                       <1.91 J t'N                                <1.93          (1.93             6.14         (1.76                                       < 2 . 0 's  <1.84 JUL                                  <1.83         <1.83              9.01                                                    <1.81
                                               <4.Z6         <'.7C           10. .:0                                                    <1.97 S
T A'ly,                                <t.s6         <'  .99         11.9D          <1.87                                       <1.89       <2.49
                                                             <' .64          31.60                                                      <0.88 OCT NOV                                  d.79 d.04          (' .77           19.20                                                     <1.94 DLC                                  <1.76         <0.99              2.85        (1.71                                        <0.91      <1.83 ZINC-65 INJtLCAIS1LJACAILQhS                                                   ..XQNIRQLJAGAIJDfiE 11J110D                                  SW              DF                DL          W                                           SFU         W IAN                                <4. Q          <4.09            <4.31                                                     <4.13 Ptn                                 <5.53          <5.24            <5.22                                                     <4.85 M ' 't                                    78       <4.09            <. 7 . 9 0    <4.99                                       <3.94       <5.23
                                               <3
                                                <3. 84        <3.63            <4.43                                                     <3.53
                                                < 1. (.3      c , 61           <5.98                                                     <3.81
                                                <3.i4         d 5$             <4.09         <3.57                                       <3.67       <3.62 a                                    <3.21         <3.83            ( 4 (11                                                   <4.40 At                                  <3.40         G.95             < 4 . ~t 1                                                (1.96 S 0l-                               <3.48         <4.08            < 'i . %      0 .52                                       <3./4       <4.15 OCT                                 <5.46         <3.47            <5.42                                                     <2.03 NOV                                 <4.17         <3.83            (I. 69                                                     <3.9; DEC                                 <3.75         <2.16            <3.h2         <3.86                                        <1.92      <3.96 N10B1UM-95
_,. ._ ,._JNDICATORJA_CM10NL                                                            ..ff0!i1RQk_IACAIl0M MGPD                                    E9              DE                lil         HD                                          SEE         Ef
            <1 AN                                <2.31         <2.39            <2.43                                                     <2.31 PER                                 <3.39         <3.57            <3.46                                                     <3.49 MAR                                 <2.27         <2.39            <3.52         <2.51                                       </.59       <2.15 APR                                 <2.08         <2.23            <2.13                                                     </.04 MAY                                 <2.31         <2.54                                                                       (2.81 JUN                                 <2,22         <2.              <
                                                                                <2.23. 5 b'   <1.75                                        <2.39      <1.91 JUI.                                <2.51         <2.g8s0          <2.77                                                      <2.69 AUG                                 <2.15         <2.49            <2.85         (2.49                                        <2.22      <2.47 S E.Y                               <2.15         <2.G4               2.56                                                    <2.44 OCY                                                C . 51                  16                                                 < 1.1 ''
NOV                                 <d".97
                                                      . Ii1     d . 68           < 3' . 0 2                                                <2.57 DEC                                 <2.59          <2.09            <2.49        <3.10                                        <1.91      <2.77 WOTE:    Act ivit ies shown are values act t.- Lly measured, whereat. t hose indica t ed na "<" are mints.um detectable ac* 1t it iet (HDAs) under the part icular condit ions of analysto of nuclides for which analysen are required by 1:!)$ Technical Specif teations (that is, the nuclides mas or may not have been present, but if so, there cannot have been more present t han the amount s listed).
A-15

RI VI'R lil>.ND STATION I;AD101.0010Al, ENVIRONMENTAL. MONIT0ltlNG l'It0 GRAM Gamm/4-Emitting Nuclide Activity (pCi/ liter) in Watei liy I.ocat ion -1940 Zl RCONil!M-9 5
                                                      . _ 1NDICA10R IOCA110NS                                   CQNTBRidROATIOM EDILQD                                       EED              LS                DL        ED                                       F.hl'            h'U JAN                                      <3.37           <3.74            <3.6i                                            <3.55 l'EB                                    <4.52           (4.38            <5.0                                             <4.67 Malt                                     < 3 . 3' (>     (3.30            <5.4       <3.37                                          .76        <3.44 Al'it                                   <3.iB           <3.25            < ') . 4 /                                        <]2.90
: t. 38              5          <4.99                                             <3.66 MAY JUN Jt !.
                                               < ;3 . 60
                                               <3.61 d.1
                                                               <l.66
                                                               <3.54
                                                                                <1.28
                                                                                <3.63
                                                                                           <2.95                                  <3.62
                                                                                                                                  <3.79
                                                                                                                                                     <3.18 AliG                                     <2.97          <3.68            <3.83      <3.47                                  <3.44              <3.61 SEP                                      <3.04          <3.56            <4.12                                              <3.39 OCT                                      <4.77          < !) . 5 3         1.03                                             <4.38 NOV                                      <3.87          <3.73            <4.38                                              <3.69 DEC                                     <3.45           <2.41            <3.45      (3.94                                   <2.25            <3.61 10DI NI:- 131
_1EMfAIO!Uat6110D                                      CONIRQLLOCall0ES l'ERLO.D                                     TED              DW                PL        ED                                        SWU             EU JAM                                     <2,17           <4.14            <2.31                                               <2.36 FEB                                    <3.97           <4.81            <3.50                                               <4.42 MAR                                             44      <3.11            <1.74      <0.75                                     <2.05          <0.77 APR                                    < 1.
                                                <1        {24   <2,66            <1.38                                                <1.66
                                                                <7.74            <7.19 MAY                                   <11.10 JitN                                   <2.03           <2.26            <2.04      <0.69                                     <<2.8. I')8 8      (0.68 Jt1L                                   <4.75           <5.69            <4.78                                                <5.11 AliG                                    <'                     5        <3.4p     <10.90                                      <1.97        <11.70 SEP                                     <2 40.50 <6.)0 <2.3             <2.62                                                  <3.01 OCT                                     <3.94          <5.10            <6.84                                                 <3.88 NOV                                     <3.72          <4.08            <3.63                                                 <4.06 DEC                                     <4.70         (13.60            <4.54       (6,17                              <14.20                <6.40 CESi tCI-134 LNILifAlqB_leCATLONS               . _ _         30KIR0klaCAT10M EDLLOD                                       EKD               DW                "L       WD                                        SW11            EU JAN                                     <1.73           <1.54            <1.70                                                  <1,79 FEB                                    <2.25           <2.07            (2.40                                                  <2.13 MAR                                    <1.65                            <3.03      <2.08                                                     <2.20
                                                                                                                                         < 1. {;> 4<1. 6 APR                                    <1.68           <
                                                                 <1.1. '$ iQ      (1.81 MAY                                       1.56         <1.54            <2.34                                                  <1.58 JlfN                                   <1.62           <1.h4            <1.64      <1.58                                       <1.60         <1.69 Jtil,                                  <1.66           <1.67            <i.66                                                  <1.72 AUG                                    <1.53           <1.80            <1.86      <1.65                                       <1            <1.64 SEP                                     <1.49          <1.70            <1.95                                                  <1.6;93 OCT                                     <2.05          <1 52               0.91                                                <2.30 NOV                                     <1.74          <1./6               1.41                                                <1.79 DEC                                     <1.56          <0.94             <1.58      <1.75                                      <0.82         <1.76 NSTE: Activitica showti are va lues act ually itseasured , wtieretir, thor *e indica t ed nai " < " are minimum detectable act ivities (MDAe) under the pat ticular conditions of analyeth of nuclides for which analyses are tsequired by RIG Technical $pecifications (that is, thw nuclides may or may not have beon present, but i f r.o . there cannot have been more than the arwunth not ed ) .
A-16

              .                a i
RIVI'R lil:ND STATION RADIOLOGICAL ENVIRONMl:NTAl. MONITORING Pit 0 GRAM Gamma-0mittity Nticlide Act ivit y (pCl/ liter ) in 'a'at es by Locat ion -1990 CES10M-137
                                                                  .lEul0AIDR_LQCAIl0N.S                                                                                                                _CWlROLLQCATIOM EER10D                   M                 W                                                                            DL                                   EU             El'        W JAN                    <1.85        <i.55                                                               <1.J2                                                            <1.84 PED                   <2.24        <2. 8                                                                <2.s4                                                           <2.26 Mall                   <' .8        (' O   .                                                             <2.94                                            <2.20          <1.y4    <2.28 APR                   <' .4        <' .2                                                               <1.$0                                                            < 1. 20
;                                 MAY                    <' .8        <'            T                                                      <2                            8                                 <1.84 JUN                    C  . 3     C      .di
                                                                             .                                                            <i..3                                             <1.60          <' .82   <1.80 JUL                    <' .73       <'           6                                                       <1. 9                                                           C .79 ADO                    C .          C            8                                                       <.                                               <1.62          C .2     <1.82 Sl?.P                  ('.          <.H)J                                                               < .91                   10                                       <''   7 OCT.                   <2.           0.61                                                                                .92                                                 . 1 NOV                   <1.8         <1.76                                                                                .16                                             <' 92               ,
DEC                   <1.78       -<0.93                                                                <1.81                                            <1.89          <0.86    <1.84      t ilAltl UM- 140
_1@lCA10lLLQCAT10D                                                                                                             ._. _f0RT10LLQ. CAT 10M EEkl@                    ED               W                                                                             11                                   ED             M          EU.
TAN                  <13.30-     <18.40                                                         <12.40                                                                 <14.50 FIl                  <23,80      <30,40                                                        <23.70                                                                   <2.58      .
hk h '.Y
                                                          !ib C y.
kb0
                                                                                                                                          ?5 70
                                                                                                                                                          *kh bib
                                                                                                                                                                                                          <24.50 JbN                   <'2         <
                                                                    <?91 I; 70        . 30                                        <l4
                                                                                                                                   <                      . 60                             <7.21         <16.60    (7.24 JUL                   < l.       -<?7.50                                                         <27.80                                                                 <21.70 b                      lkl0          b>                                                                  lf,'hh                                             '
l
                                 .R
                                 -DEC 31:l8:ll:20
                                                        <19.90      <34.90
:!M8 (19.50                                                  <27.00
                                                                                                                                                                                                          &lkbM
                                                                                                                                                                                                          <31.70   <23.50      s LANTilANUH-140 1Nht0AIDILLEGAT10M._.                                                                                                            _ _C0hTROLLOCATIORS Efat0D                   M                M                                                                            RL                                    ED             M          h'U JAN -                  <6.17        <6
                                                                    <14,82                                                                <4.88                                                            <6.30
                                                                                                                                                                                                          <1 .80 PED
                                                                            . ,lg                                                 <10.20
                                                        <1{.10-A     -
4'                              8'
                                                                      <8.'
MAY -                 .<6.1                                                                             <           .7;2                                                 <9.43 JUN                    <6.3         <5.36        45                                                     <.1                                               <2.66          <6.77    <2.92 JUL                    <8.05      <11.00                                                        <10.50                                                                   <9. 8 AUG                                 <6.24                                                              <7.14                                              <6.59          <6. 3    <7.39     ;
SEP,                   <d'80
                                                         < 86         <6.75                                                               <7.67                                                           :<6. 7              '
0 03 DEC' kk
                                                         <8.23 bk
                                                                    <14.70                                                               <6. O'.
74 h                       <11.40 N',N
                                                                                                                                                                                                           <12.10   <9.93 NOTE:  Activit fem shown are values actually measured, where as those indtrated an "<" are minimum detectable activities (HDAs) under the partlJular con.ittlons of arutitula of nuclides for which analysen are regtelred by RDS Technical fipconficationn (that it, the nuclides may or may r.ot have been present.. hat if so, there cannot have t>een pos e than the naounta not ed)i A'-17 h\                                                                                                                                                                                                                          ,

_ , . ...... _ . .__ ._.                ______._____.___.~._.._._.-.___._._.m_
RIVIR BEND STATION RAD 10 LOG 1 CAL ENV1RONMENTAL MONITORING PROGRAM Gamma-Emitting Nuclider. In Sediment (pC1/kg dry) by location - 1990 DERYLLIUM.7                                   PO7AS$10H.40 1.'IMDD                            I!QGilETM                EfMELO                     10tDltLM                  UtMMM MAY                                                        406.00                       13706.00                 16301.00 AUG                                                                                     14$24.00                  4773.00 CESIUH+134                                         CESit* 137 EIMDE                              LWEntEA!!                UnalM                        kQHEIRTM                  Lf1TE!M
                                                      -HAY                                         (D.77          <!7.10                               10.00                 74.60 AtfC                                    <!7.70             <16.B0                            <21.10.                <!7,10 Gamma-Emitting Nuclides in Tish (pC1/kg wet) by Location - 1990                                                                                                   j l
PO7AS$ltm 40 DQ.EM'MM                                                              kflIREM FIRikQ                  d        12          13              13        15                    11     12                  t)      11          11 FEB                 4061 MAR                           3018 JUL                  2h37                 3002           3405                                                     3508      3202 Dtc                  3316                                3336       2446                  3231                              2627         1377 ttANGANES$ 54 1!QENHELM                                                             RAIUM f!MDD                   11       11           AJ             H         15                    11,    12                  0       11          ti                          'l ttb                <25.4 MAR ~                        <l9.1 JUL                <20.4                (10.0 (6.65                                                           (4.4$        <$.17 Dtc                <15.6                                (34.4     <3.02                  <l4.9                             <32.3        <3.36
                                                                                                                                                                                                                    ')
IRON =$9 DD.KE11 Eld                                                          Ef1ISEM IIMOD                   11       12           D.             H         11.                   Il     12                .t3       11          il 1tB                <62.6 MAk' J UL.              <46.6 . <47.0<40.3                   <22 5                                                 <16.1        <!?.6 Dtc                <67.8                                  <!!8    <lf.3                  <60.5                             492 6        <!6.6 COBALT-58 D2MMIAEAh                                                            kfJifREM
                                          -FEM 9D                  11       42           O              A4        81-                   11     12                  u       11          11 -
ttB                <26.2 MAR                          <20.4      -
JUL-               <20.6                (19.0 . <18.3                                                         <5.22        c6 18 DEC                < 23. 3 -                            <39.9     <$.38                  <22.1                             <36.5        <4.58
                                         . NOTIM          Activities shown are values actually measured, wherena those indicated as "<" are minimum detectable activities (MDAs) under the particular conditions .of analyela of nuclides for which analyses are required by RBS Technical $pecificationa (that to, the nuclides may or may not have been present, but if so, there cannot have been more present than the amounts list <d).
4 A-18
   .a .y.   -.m--[ b s , .-,, . , - - -'.v.u,,-    w, $, u me m     -
r,*,,      w-~,-.-c.<-    w   ,,,,-Uwm.,..r,,,cr..m.,v...
h,.,,,,   , . - , , ,
                                                                                                                                                                 -       i,~,,y,,,U-,     w_-w---,,---,,,. , -,- ,

          ,           O HIVER llEND STATION RAD 101,001 CAL ENVIRONMENTAI, MONITORING Pit 0GilAM Gamma-Emitting Nuclides in fish (pCl/kg wet) by Location - 1990 COBALT-60                                       .
                                                                                 !!OKNithEM                                                          MflibtM flR1QQ                11                      12      13       f.i    15                          11             12      13          11               il Fl:8           <29.8 HAR                                   (22.3 JUL            (23.9                              423.0    <8.2h                                                     <$.10      <6 25 DEC            (17.9                                       <40.6  (4.12                        7.40                             (32.7            <3.94
                                                                                                           !!NC+0$
DQEMM RIMI                                                          l'fathte IIR1RD                11 .                    12      83       11     11                          11             13      la           t_t             85 Ftb            <63.4 HAH                                   <45.2 Jill           <48.8                              440.9    <!8.7                                                     (13.5      144.9 DEC            (40.1                                       (60.1  <9.89                       <36.4                             <66.1            <9.26 Ctsl0H 134 I M 61ALAM                                                          ErstREMI FIRIUD                11                      11      13       A.i    11                          .t1            12      1)          11              .t A FLb            <24.6 HAR                                   <17.6                                                                                                                  L J t'L          (16.3                              <!6.9    <5.$0                                                     <3.02      t4.40 Dtc            (15.1                                        <36.0 <2.64                       (13.5                             (25.5            <2.61 C E s i t'H.13 7 Lt0MdafEEAd                                                         L'f3IB18d RERl0D                #1                      12      la       11     th                          11             12      14          is               33 FEB            (25.1 MAR                                      7.07 J UI.          (22.2                              (18.9    <6.74                                                      1.67 (5 04 Dtc            (14.h                                       (33.2  <2.99                       (13.7                             (26.1            <2 97 NOTRt        Activities shown are values actually meanaured, whereuu those indicated as "<" are minlaum detectable activit tee (HDAs) under the particular conditions of analysis of nuclidea inr which analynea-are required by kas 7echnical Sleccifications (that is, the nuoliden may or may not have been present, but if nu, there cannot have been more pressent -than the amounts listed.
A-19 u._   .

    -     ..______--_,-_.-_____-._._____m..                                                                                                    ___        .---,-.              ____- _._m
                     ,        e       a i
IIIYl;It lil:ND STATION llAD10th01 cal, I;NVll(ONH1'.NTAI., MONIT0ltING Pi(00l(AM l
Gamma-tmitting buclide Actitity (pC1/kg wet) in titoadleat Vegetation by Imcation .1990 BiHYLLION-7                                                       l I
                                                                .              _                           lhDIEAIQ1LLOC&IIDM                           _              00FIROLLVIAllDR.
_.___ MLGdDILi1                                                 MLGMDItLiL                       ...A&01.A.ffallIK11ARL 1
flE10D                           81                 42                  $3          il           82          #3                #1      82           #3       ;
1 JAN                         til                297                 470                                                  2292 ttD.                        14$                290                 196                                                   602     2665-MAR                         164                                                              126        303               218 APR                        264                                                                          164 MAT                                                                            266          44$         126               191     377          221 JUN                         115                140                                          230                           204     165          250 JUL'                        734                149                 444         330         1494         !$$               164    1060          762 AUG                         257                230                 IS6         297          191         2h2                56     360          436 StP                         110              2040                  253                      206                           130     369-         653 007                                            115                 120         164                       91 NOV                         196                                    153                        17        139 DFC                         $05                                                             107          71                       157          113 POTASSitH.40
                                                                                                     ..- .lhDICAfDLLQfAIl0M1                                           CONIEDil0CATIQNL MLGABEILt1                                      RALGAhuttLf2                       JhGOLLtllil1EBilAld F1110D                            41                 82                  #3          st           42          f3               41       42           83 JAN                      4970'               4468                2691         4226         4923                         4219 Felt -                   4181.               4610                4756         4761        -3607        4783'            4656     2$75 MAR                      4612                                                 348$         43$2        3635-            $680 APH                      4461                4218               4483          3860'        4529        3675             $427 MAY                       1820               1645                1966         2937         4023        4716             5766     $150         6267 JUN                      2226                2073               2l00          4948         4693        3950             3133     0632         7762 JUL'                     3910                1646                3372         $229         6099        5176             4202     4674         5544 AUG                      4000                2158               3292          4140         2497        3362             3778     5695         3602 SEP                      2601              .2114                 2112         3152         4270        $203             2750     6664         2909
.                                           OCT                      3704                1530-               1616         2782         4D28        2997             4056     3261-        3853 NOV                      177$                1854               2039          3249-        3290        5011           '1926      2474         2$43 DEC                      3091-               2567                1852         2591         3435        2521             2629     3175         3375 li AR itH 140 luu1CA1Q8.AQCAT1ults                                        COEIRQLiuCATIDR ,
RELGARDEIL11                                  . REGAERELR                      J LQL&_tKELIfEllAE L
: l'IRIOD '                         #1                 82                  83          81           42          83              .81       #2           #3'    i OCT'                                                            47.2 NOTE             Sampling requirement for vegetation in one sample of euch of three dif ferent types f rom each location per month. -Due to lack of availability, only one cont rol mample was obtained in January, March, and April, and only two cont rol camples obtained in February. Likevice, only one sample f rom Cl was obtained during March and only two samplea from C2 were takeny in January Activities shown are values actually measured.
A-20
  . . _ - -.                                  .. _ _ _ _ _ _ _ _ _ _ _ . _ _ . _ _ _ _ . - _ _ ~ . - . _ _ . _                                                                                 -,

FIVPR llEND STATION RADIOLOGICAL ENVIRONMPNTAL MONITORING l'ROGRAM                                                                   ;
6amma.tatt ting Nuc tido Act ivit y (pC A/kg wat ) in broadlenf Vegetation 1.y location                               1990 10 DINE 131 LulCAIQLLOCAUDNa                                              .
COEIROLLQCAUQM_
MllLGARMJLtL _.                                       _M1.faARDIMJ 2               _AhliOLA IU111tinML E1110)                        #1        62            03                           il             82     #3           81       42         03
                                                 ;JAN                 <25.5         (24.6         <34.2                        <28.0         <26.6                 (39.5 FEB               .<26.2         <29.0         <31.3                        (23.8         <2J.3    (26.B        <29.2    c44.3 HAH-               429.3                                                    <23.7         <30.4    <26.2        <28.6 APR                <30.4       -<32 0          <26.0                        (25.6         <22 3    <27.0        <23.6 NAY                (22.0         <27,6         425.8                       (26.1          (25.9    <31.6        <22.6    <26.0      <25.1 JUN                <26 5         424.7         (26.6                        < 29 pJ       <24.6    (26.0        (30.5    (25.4      (61.0 JUL                (22.2         <23.3         (22.1                        <28.6         <27.2    <25.3        (26.2    <33.?      (20.2 AUG                (27.6         <22.5         <28.6                        <31.5         (20.4    <24.4        <32 1    <29.5      <31.2 StP-               <!9 9         <24 6         422.6                        <21.1         <26.2    (22.1        <21.2    <30.1      <28.4 OCT.               (23.5         <21.1-        <24.8                        (23.3        431.8     <!6.2        <22.7    (26.8      <26.4 NOV                (19.5         <20.5         <20.2                        <th.9        -<19.6    <17.8        424.1    <26.7      426.5 Dtc                (22 2         < 2 3.6 -     <!9.6                        <!7.6         <!'.5    (15.2        <23.6    (21.6    .<!6.9 CthiUN.134
( M1CATOR LO(ill0NS                                                 fDE U Q,Lt.DCAllDEl _
_ MLsAEML)J___                                            HLiAMI!Li3              ._ Akirki.A RAllM11ML l'ARIOD                       #1        f2            83                           el             #2     83           #1       #2         #3 JAN                < 30. 7 -     (26.9         (39.3                        <34.6         (28.0                 (43.5 FEB                (22.6 -       <30 5         <30.0                        <23.9         <27.0    <28.1        <34.6    t42.6 MAR                435.6                                                    429.6         (33.3    (26.9        <26.7 APR                (29.6       .439.1..        <33.4                        429.2         (27.6    (28.5        <23.0 MAY                <20,6         (23 7'        426.5                        <26.9         <30.5    429.1-       <25.8    <27.1      <23 7 JUN.               <26.3         <21.9         <24.1                        <27.5         (28.3    <27.1        <29.4    (24.4      <26.6 JUL               '< 23.4        422.0         <20.7                        (27.8         <26.3    (23.4        <!8.9    <21.6      (9.71       .
AUC                :29.6'        (25.0       .<26.4                         <34 1         424.2    <21.5        (21.5    <!9.1      <23.1       F SEP                420.9         423.2         (24.9                        (20.4         <25.9   .<!9.2        <l9.7    (30.3      526.0 007                <22.1         (22.1         (24.0                    . <21.7          <30.2     <!S.4        (22.0    426.6      <20 9 NOV                (20.7         <22.4         (25.9                        (20.5         <!9.8    <!7.3        <23.0    (30.3      <29.8 Utc                <23.0         <28.4         <24.5                        (19.4         <!b.5    <!7.5        424.6    <!$.2      <l9.4 CE81UM 137 lH.lfAIDIL10IAIIDE1_ .                                              COETA9LLQCAT191!a_
                                                                   .            MLGAliML21                                              MA.GAMILt1              _ EltiO!.Ll'LEnnUML 21R10D                        #1        #2            #3                           il             #2     #3-          #1       82         43 JAN=               <34.1         <29.3         <42.1                      . <31.5         <31.7                 <43.3 FEb                <31.6-        <38.8         <33.0                       <31.1          <24.5-   <24.6        <35.8    <51.1
                                                                      <35.4 MAR                                                                         <29.5        <39.6     (33.0        <30.7 aPH                ( 34.1 -      < 37,7 -      <32.9                        <31.5-       <29.6     <35.7        424.2 M*Y                <32.9        .<33.4         434.3                    ' <35.9           <28.1    (26.1        (28.2    <31.6'     (25.7 JUN                   19.4       <29.6           15.8                       <29.6        <27.7     <31.4        <26.5    .26.7      <32.1 JUJ                   27.6       (30.3         <24,9                        <30.4         <32.9    (25.3        <25.3    434.0      <!1.8-AUG                   20.7       (32.4         434.4-                      <33.3          (27.6    (23.2        <25.1     11.6      <24.3
                                                  'MP;                <26.1         <29.0        ;<27.7                        (24.2         <28.3    (25.3        <27.2    <32.2      <28.0 OCT                (31.0         <24.7           16.6-                      <25.3        <33.4     <19.7        (25.9'   s4s,9      (26.6 NOV                <28.2         <24.l'        427.6                        <25.1         <21.6    (21.2        (26.9    <31.0-     (31.2-Dtc.               <27.2         ( 27.9        <22.9                        (16.4         <19.0    <!9.1        (26.2    (24.3      (22.1 N0ft           Sampling requirement for vegetation la one sample of each or three dif ferent typen from each location per month.              Due to lack of availab!!1ty, only one control sample was -obtained in:
January. Pfarch, and April, and only two control samples obtained in February. Likewise, only one sample f rom Gl ' was chtained during tiarch and only two samples from G2 were taken in-January.
Activjties shown are value actually measured, whereas those indicated as "<" are minimum detectable actit tllen (PtDAs) under the particular conditions of analysis of nuclides for which
                                                             - anaitaea are required by Rf18 7echnical Specifications -(that in. the nuclides may or may not have been present, but 1? so. there cannot have been more prosent than the amounta listed.
A-21
__ _                                     _           _ _ .           _ _ __          _ _ _ _              __                     __      _ _ _ .           --   m_.                         . __

                 .c  , .
RIVER BEND STATION RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT POR 1990 1.
APPENDIX !!
SumatarY Of Pre 0Deration_al REr (naseline) nesul t s Table D.1 _ summarizes the results of preoperational radiological envi-                                                    <
ronmental moratoring from January,1983, through October,1985. Further detallu are available in the respective annual reports (1983,1984, and 1985).                                                              '
L
     .t.
W f
1
         /
B1 l =.
b        w                         g-                           w w-+ew.my- w yy :   ,,,,gaggyyg gyyes-upygem&y 1w s w vy-w yggwa          -

                              . o   -
TABLE B.1 PRE 0PERAT10NAL RADIOLOGICAL ENYlRONMENTAL MONITORING PROGRAM 

==SUMMARY==

(Page 1 of 4)
River Bend Station                                                  Doclet Numbe : 50-458 West Feliciana Parish, Louisiana                                    Repotting Period: 1/1/83 -10/31/85 Medium or            Type and            1. owe t Limit     All Indicator       location with Highest          Control                       Numtier of Pathway hampled       Total Numtwr                     of        S t a t t otis,         Annual Mean            locationr,                   s Nontoutine (Unit of           of Ar.alyses         DetectionI           Mean (ff'           hamt          McSh1U 2       Muan ( f )'                    heported Measuremer.t)        l'erformed                 (LLD)              Range       Dist . /Dir.       Range         Range                         Results Air Particulate        Cross tieto                0.01        0.03 (751/759)         AQs2       0.03(146/156)        0.03                           N/A (1086)                               0.01 - 0.09       5.6 km NW       0.0   - 0.09     (320/327)
(pet /u3 )                                                                                                   0.01 - 0.08 Ca-134                   0.05          ALL (LI.D                                        ALL (LLD                          N/A (951 ts-l37                   0.06           ALL tLLD                                        ALL (LLD                          N/A (95)          .    -
AirRadiogodine              1-131                  0.07           ALL (LLD                                        ALL (LLD                          N/A (pci/m )              (1066)
Direct ( T I.D )           Camma                             fe 8 (1015/1064)         TM2       7.h (27/26)    6.71139/150)                         N/A Monthly                                 J.7 - 19.3     4.2 lu WSW        3.2 - 16.2       0 - 27.6 (mR Tatul)            (1214)
G aouna                            19.03 (404/418)         TC1        27.53 (11/11) 16.93 (5                             N/A Quarterly                                G.6 - 32.1      1.6 km SE       12.2 - 27.6    6.6 - 2 (472)
Surface Water                 H3               2000             ALL <LLD                                         ALL ' &D                          N/A (24)
( pC 1/11t e e )
Mr-54                    16         ALI <LLD                                         ALL (LLD                          N/A (GG)
Co-56                      15       ALL <LLD                                         ALL <LLD                          N/A (ds; fe-59                     30        ALL tLLD                                        ALL <LLD                          N/A (68)
Co-60                      15        AL', (LLD                                       ALL (LLD                          h/A
( G B 's in-65                     30        ALL (LLD                                        ALL (LLD                           h/A (66)
Nb 95                     15        ALL tLLD                                         ALL (LI.D                         N/A (68)
Zr-05                    30        All (1.LD                                        All, (LLD                         h/A (66) 1-131                     15       ALL <tLD                                         ALL (LLD                          N/A (68)
Cs-134                      15        ALL (LLD                                        ALL (LLD                          N/A (66)
Cs-137                      16        ALL 'LLD                                        ALL (LLD                          N/A (68)
Ba-140                      60        ALL <LLD                                        ALL (LLD                          N/A (68)
La- 14 0                    15        ALL <LLD                                        ALL <LLD                           N/A (68)
Cross Beta                       4     6.1 (23/26)           $WD        8.1 (23/26)     7.8 (24/26)                         N/A (52)                                   4- 12           4 Ks           4- 12           5 - 13 downstream B-2

  . t   -
l                                                                              T Al'I.E B.1 l'ItE01' ERAT 10N AL RAD 101,00.lCAI. ENVill0NMENT Al. MONIT0ltl NG l'It00R AM 

==SUMMARY==

(l' age 2 of 4 )
Rivet Bend Station                                                      !)oc ke t Nanibet ; 50-458 West l'eliciana Par ish, Lottisiana                                      teliot t irtn Pei lod: 1/1/83 -10/31/85 Hedium or           Type and     Lower 1.imit                All l tul t ra t o r   Loc at 6on with Highent                         Conttul         Numter of I'athway Sumpled Total Number                             of        btattons                 Annual Mean                              totattons, Nontoutinn iL! nit of        of Analyses Detectlon I                      Meun ( f )#         .he#tt.__... _ _11e ntti Li                     *kun ( f I'      keported Meanut eserit )     Performed              ( 1.L D )                kannte        Dint./Dir           L.<nge                          kangs          kenulta Groundwater 4            H-3                 2000                 All. < l.LD                                                         ALL <l.LD            N/A (pCL/ liter)           (24)
Mn-54                       15            All < l.LD                                                          All <LLD             N/A (22) 0o-58                         15           ALL <l.LD                                                           ALL <LLD            N/A (22) re 59                        3D            ALL (LLD                                                            All (LLD            N/A (22) 00-60                          15          Al.L (LLD                                                           ALL (Lt.O           N/A (22)
Ka-65                         30          Al,L < Lt.D                                                         Al.L <LLD           N/A (22)
Nb-95                           15        ALI. (LLD                                                           AL!. <LLD            N/A (22)
Tr-95                           30         ALL <l.LD                                                          Ali. < l.LD          N/A (22) 1-131                           15         All < l.LD                                                          AI.! < l.LD         N/A (22)
Co-138                           15         All <!LD                                                            ALL < l.LD          N/A (22)
On-137                            18        ALL <LLD                                                            ALL tl.l.D          N/A (22)
Da-140                           60         All < l.LD                                                          AlL < !.LD          N/A 1221 La-140                            15         ALL <t.lp                                                          All < Lt.D           N/A (22)
Crohn beta                           4          4 (5/12)            WD           4 (5/12)                          6 (2/3)            N/A t15)                                       2-8            470 m SW          2-N                                3-9 D inking Water b           11 - 3                    2000           ALL < LLD                                                           ALL (LLD            N/A (16)
(1<i/llter)
Mn 51                            15        A L.l ( l.i.D                                                       Al.L < l.l D        N/A (40)
Co-56                            15        ALL <llD                                                            Al.L (LLD           N/A t40)
Fe 59                           30         AL.I. < LLD                                                        ALL (LLD            N/A (40) 00-60                           15         ALL (1.LD                                                          All. < !.LD         N/A (40)
In-65                           30         Al.l. < l LD                                                       All. <lLD            N/A (40)
Nb-95                            15        ALL <l.LD                                                          ALL cl.LD            N/A (40)
B-3

s r ~.
TABLE B.1 PREOPERA*fl0NAL RADIOLOGICAL ENVIRONMENTAL HONITORING PROGRAM 

==SUMMARY==

(Page 3 of 4)
River Bend Station                                                               Docket Numberl 50-458 West Feliciana Parish, Louit, lana Reporting Period: 1/1/83 -10/31/85 Hedium or                            Type and    Lower Limit                All Indicator               Location with Highest         Control           Number of Pathway Sampled Total Number                                         of               $tations -                     Annual Mean           Locations          Nonroutine (Linit of                        of Analyses  DetectionI                      Hean (f)2'              Haptg              Htan1L}2   Mean (f)2          Reported Hvasurement)                         Performed            (LLD)                     Range              blat./Dir.           Range      kange                keeulta Drinking' Water $                          'tr 95                  30                 ALL (LLD                                              ALL (LLD                N/A (40)'
(pci/ liter) 4 131                  15                ALL (LLD                                              ALL <LLD                N/A (continued)                                 (40)
Co.134                   15                ALL (LLD                                              ALL <LLD                N/A (40) i Ca.137                   18                ALL (LLD                                              ALL (LLD                N/A (40)
Ba 140                  60                 ALL <LLD                                              ALL (LLD                N/A (40)
La.140                  15-                ALL <LLD                                              ALL 4LLD                N/A (40)-
Croen Beta                  4              6.8 (28/26)             Donaldson.       6.8 (28/28)   7.8 (24/26)              N/A (54)                                       3       12         ville             3    12         5
* 13 138 km downstream Shorellne                                 E 406              NONE -             13.783 (2/2)                   SED       13.7E3-(2/2)        N07                 N/A Sediment                                (2)-      REQUIRED              (11.4 15.9)t3                    4 km       11.4 15.9)t3     BEQUIRSD downstress (pci/kg dry) ca.134               150'                  ALL <LLD                                              ALL (LIS                N/A (4)-
Co.13 7 _            100                   ALL (LLD                                              ALL (LLD                N/A Milk-                                      K.406-             NONE                  1313 (6/9)                  HF2         1313 (6/D)   1316 (7/91               N/n (18).                                1179 a 1476              6 km ESE        1179    147S 1196
* 1409-(pci/ liter)
                                                           'I 131                     1               ALL <LLD                                              ALL tLLD I              N/A (81)
Co.134                  15                 ALL (LLP                                              ALL (LLDI               N/A (82) ca.137                  18                 ALL (LLD                                              ALL (LLDI              'N/A (82)
Ba-140:                60                 'ALL (LLD                                              ALL (LLDI               N/A (81).
La.140-                 15                 ALL (LLD                                              ALL (LLDI               N/4 (82)-
K-40 6 Fish /                                                      -NONE                 9037 (2/2)                    FD          9037 (2/2)   7640 (4/4)               N/A Invertebrates                                (6),      REQUIRED                G320          11754            4 km      6320 - 11754   4177    11438 downstream (pC1/kg vet)
Mn-54             -130                   ALL (LLD                                              ALL (LLD                N/A
                                                              -(15)
B-4 u-I,        . -                                                                                                                                                                              +
                   '                                                                                                           ~
r.. - e       ,._,7        . . - - , _ . . . . - - , ,                 -*.,~----.-s+        -       i.i..--.

                            =
t )
TABLE li.1 PREOPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 

==SUMMARY==
                                                               )
(Page 4 of 4)
River Bend Station                                            Docket Number: 50-458 West Feliciana Parish, Louisiana                              Reporting Period: 1/1/83 -10/31/85 Medium or                 Type and  Lower Limit      All Indirator         Location with Highest                Control    Number of Pathway Sampled total Numbet               of            htatione                 Annual Mean                    Locations   Nonroutine (Unit of             of Analyses Detection I        -Mean (f)2          hatL __.- _lltBull)                  Mean (f)2   hegot ted Measurement)              Performed    (LID)              Rango          Dist./Dir.      Range                   Hange      Heswl t f.
floh/                       Co-58       130             ALL (LLD                                                 ALL <LLD       N/A Invertebraten                (15)
(continued)                 re-59       260              ALL <LLD S                                              ALL <LLD6      gjg (15)
Co 60       130             ALL <LLD                                                 ALL <LLD       N/A (15)
En 65       260             ALL <LLD                                                 ALL <LLD       N/A (15)
Co-134      130              ALL (LLD                                                ALL (Lt.D      N/A (15) ca.137      150              ALL <LLD                                                ALL <LLD       N/A (15)
Broadleaf                    K-406      NONE           3369 (6/10)              C2      3368 (6/10)                3768         N/A Yegetation               til)     REQUIRED         1396 - 5389         1.1 km NW    1398 - $389            ningle value (pci/kg wet)                1 131        60              ALL (LLD I                                              ALL <LLD       N/A (75)
Ca 134        60              ALL <LDD                                                ALL <LLD       N/A (7b)
Ca 137        60              97 (4/43)              Cl        97 (4/43)              ALL <LLD       N/A (76)                       59 - 129          1 km WNW       59 - 120 h21Idil
: 1.      Lower Limit of Detection (LLD) au defined in RBS Technical bpecificationn (NUBEG-ll72).
: 2.       Mean and range based on detectable measurements orly.                 Fraction of detectable measurementa at speci-
                                -fled locations in indicated in parentheses. (f)
: 3.       For each of the TLD locations in 1985, a value equal to 1/3 of its 4th Quarter gasuna done la used to almulate a " quarterly" meenuren?nt for October, 1985
: 4.       Beginning in January, 19'15, groundwater was sampled f rom one upgradient (VU = control) and one down-('                               gradient (FD - irw11cator) well; previously groundwater was sampled from conutruction dewatering I
wella.
: 5.      The upstream surface water sampling location (swU) la used an a " control" for drinking water compara isons.
: 6.       The values for K-40 were derived from the (then) inciptent fre outie analytical program 7       The values listed for the control location for milk w-re derived from the (then) incipient in-houne analytical program. Training of personnel in calibrition and analytical.siethods delayed sample pre-paration and counting. As a result, the required LLDs were not met in 2 out of 6 1-131 analynes; I out of 9 Ca-134 analyben; I out of 9 Cs-137 analysen; 2 out of 9 ba-140 analyses; and 4 out of 9 La-140 analyses. Similarly, the required L1D for 1 131 in broadleaf vegetation wun not met in ! out of 11 unalyses. (See discussion of Program Exreptions in Preoperational Radiological Environmental Monitoring Report for 1935.)
: 6.      The LLD for one downstream fish sample (catfluh, analyzed in-house) was 265 pCi/kg (wet).                           The LLD for one upst ream fish sample (largemouth bass, analyzed in-housei van 263 pC1/kg t vet ).
B-5
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