Text

Annual Environ Operating Rept,Radiological Rept 1980.
	ML19341D699
Person / Time
Site:	North Anna
Issue date:	04/01/1981
From:	; TELEDYNE ISOTOPES
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I "-8043-457 TTELEUtNE ISOTOPES O

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7' VIRGINIA ELECTRIC AND P0h'ER COMPANY

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P.O. BOX 402 HINERAL, VIRGINIA 23I17 1

NORTH ANNA P0hER STATION RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 298o O

DESCRIPTION OF THE OPERATIONAL PROGRAM AND s

QUARTERLY REPORTS OF ANALYSES 4

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' '= T TELEEf!NE ISOTOPES TABLE OF CONTENTS n

V 111E' RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM PAGE LIST OF TABLES 11 ii LIST OF FIGURES 1

INTRODUCTION 2

DESCRIPTION OF THE PROGRAM ABSTRACTS OF ANALYTICAL PROCEDURES 11 ABSTRACTS OF PADI0 ASSAY PROCEDURES 14 QUALITY CONTROL OF ANALYSES 18 RADIATION DOSES FROM NATURAL AND ARTIFICIAL SOURCES 19 i

REFERENCES 20

SUMMARY

-AND DTSCUSSION OF QUARTERLY RESULTS 1A FIRST QUARTER 1980

'h SECOND QUARTER 1980 IB 1C THIRD QUARTER 1980 ID FOUR111 QUARTER 1980 l

APPENDICES-l l FIRST QUARTER .1980 A-1 SECOND QUARTER 1980 B-1 1111RD QUARTER '1930 C-1 l

FOURTH QUARTER 1980 D-1 e

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ISOTOPES LIST OF TABLES O PAGE i l' TABLE 1 Operational Radiological Environmental Monitoring Program 7 i

l TABLE 2 Sampling Station Identification and Location 8

[ TABLE 3 Lower Limits of Detection (LLD) IS TABLE 8 Radiation Dose from Natural and Artificial Sources 19 i

LIST OF FIGURES {

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FIGURE 1 Map of Sampling Stations in Vicinity of NAPS 9 FIGURE 2 Map of the Environmental da=pling Stations 10 O !

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TTELE&tNE ISOTOPES INTRODUCTION f-O Outlined in this document is the description of the radiological environmental monitoring program conducted by Virginia Electric and Power Co=pany for the North Anna Pow- - Station, and a su= mary of the data generated to satisfy the conitol ag requirements. This program is based on the technical specifications squiring the collection and analysis i of various sa=ple media to provide information on the type and quantity of radioactivity in certain indicator organisms or critical pathways.

Virginia Electric and Power Company is responsible for the col-1ection of the sa=ples required for the program and Teledyne Isotopes is responsible for the analysis of each sample and submission of the reports of analyses. Quarterly su=maries of the data reported for each sample type are appended to this document for the period of January 1,1980 through December 31, 1980.

These quarterly data summaries will include a su==ary of the radioactivities reported for each sa:ple type and pathway and a tabulation of the =can, range, and detections / total for each sample type and radionuclide. From the data summaries, a radiological environmental =enitoring program (REMP) as specified in Regulatory Guide 4.8 (Ref.1) will be prepared and used as the basis for evaluating the radiation exposures resulting from the North Anna Power Station

operations.

.The REMP specifications are described in Appendix B to the Operating

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License (Ref. 7) and the required analyses and specifications are listed in Table 1.

l The overall objectives (Ref. 7) of the operational radiological environmental monitoring program are to identify changes of radioactivity in the vicinity of the North Anna Power Station and to provide information on the types and quantity of radiation in certain critical pathways and indicator organisms as a basis for evaluating radiation exposures to the populatica from the NAPS operations.

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TTELEUltlE l lSOTCPES 1 DESCRIPTION OF BIE OPERATIONAL PROGRAM I O'

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' HIE RADIOLOGICAL ENVIRODfENTAL PRCCRAM The description of the operational radiological environmental ana-lysis progran is presented in this section. Personnel of VEPCO collect the samples specified in Table 1 and ship them to Teledyne Isotopes for the analytical phase of the program. Interie data reports are submitted by Teledyne Isotopes as the analyses are co=pleted, normally within 33 days of the date of receipt of samples (Ref. 9). Su=ary reports are issued

. quarterly by Teledyne Isotopes, usually within 45 days after the end of the quarter. The quarterly reports will be appended to this report and will contain (1) computer compilations of the analytical data from the interim data reports, (2) su= aries of the environmental radiological ana-lysis for each media listing the mean and range of detected radionuclides and the ratio of detected radionuclides to total measurements, (3) data interpretations for each media and analysis bared on the su=ary table prepared in accordance with Regulatory Guide 4.8 (Ref.1).

The radiological environmental program outlined in Table 1 contains the technical specification require =ents for the North Anna Power Station (.Ref'. 7}.

Sampling station identifications and relative positions to the effluent release point are listed in Table 2 (Ref. 8} and shown on Figure I and Figure 2 (;::aps indicating the environmental sampling stations). h The operational environmental radiological program requires measurements on the following media.

Airborne Particulates Particulate filters are collected weekly frem air sampling stations 1, 2, 3, 4, 5, SA, 6, 7, 21, 22, 23, 24 and analyzed for gross beta activity.

Quarter 1 composites of these particulate air samples are analyzed for Sr-89, S:-90(second quarter only), and ga=ma emitting nuclides by high resolution Ge(.Li) ga=ma spectrometry. Air sampling stations are located on Figures 1 and 2 and listed in Table 1. Lapse time recorders are used to calculate actual air volumes.

Radiogas (Radioiodine)

Charcoal cartridges are collected from sampling stations '., 2, 3, 4, 5, SA, 6, 7, 21, 22, 23, 24 weekly. The cartridges are analy:ed for :;diciedine h di;tillation and beta counting. Charcoal cartridge sampling locations are shown or Figures 1 and 2.

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TTELEDYNE ISOTOPES n -

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Direct Radiation Environmental direct radiation levels are monitored by thermoluminescent dosimeters (TLD) using a multi-arca, phosphor teflon CaSO4:Dy dosimeter.

Dosimeters are placed at each location and exchanges are made quarterly.

TLDs are located at stations 1,3,4,6,7,21,22,23,and 24 (see Table 1 and Figures 1 and 2).

Milk Milk samples are collected monthly from locations 12,13,14A, and analyzed for I-131 by chemical separation. Gamma isotopic emitters are analyzed by high resolution Ge(Li) gamma spectrometry. Quarterly milk samples are analyzed for Sr-89, Sr-90. Milk sampling locations are listed in Table 1 and shown in Figures I and 2.

Well Water Water samples are collected quarterly from the Environmental Laboratory well and analyzed for tritium and for gamma emitting nuclides by high resolution Ge(Li) gam =a spectrometry. The second quarter sampics are also analyzed for Sr-89, Sr-90.

h Surface Water

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! A sample of surface water (North Anna River) is collected quarterly from Station 11 for tritium and gamma isotopic measurements. Surface water samples are also collected monthly from Station 08 (Discharge)

.and Station 09(Reservoir) and analy:ed for tritium, iodine-131, and gamma isotopes. The second quartet surface water samples or composites are also analyzed for Sr-89, Sr-90.

Fish

( . Fish are collected annually near the beginning of the season from two locations and ana'yzec for gamma emitting nuclides by high resolution l Ge(Li) gamma spectrometry. Fish sampling sites are at locations 8 and 9 on Figure 1.

I Terrestrial Vegetation Samples of green leafy vegetation (. cultivated or weeds) are collected annually'during the harvest from two locations, Stations 21 and 23. These samples are analy:ed for gamma emitting nuclides by high resolution Ge(Li) gamma spectrometry.

Soil-Soil samples are collected from locations near the airborne stations

'h- s. every three years and analy:cd for gamma' emitting nuclides by high resolution Ge(Li) gamma spectrometry. The stations a u 1, 3.,4, S, 6, 7, 21, 22, 25, and 24. Stations 1, 21, 22, 23, and 24 are also analynd ic,r Sr-89, Jr-90.

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TTELEDYNE i ISOTOPES l Sediment / Silt gj Silt samples from Stations 8, 9, and 11 along with a shore- )

line sample from the vicinity of Station 9 are collected semiannual!y and analyzed for gamma emitting nuclides by high resolution Ge(Li) gam:na spectrometry. Sediment / silt samples are analy:ed annually for Sr-89, Sr-90.

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TABLE 3.2.1 NORTH ANNA ~ POWER STATION OPERATIONAL RADIOLOGICAL ENVIRONMENTAL ENITORING PROGRAM SAMPLING AND TYPE AND FREQUENCY EXPOSURE PATHWAY ' SAM LE LOCATION AND/OR OF ANALYSIS MAP NUMBER DESIGNATION COLLECTION FREQUENCY AND/3R SAMP12 AIRBOIC'i Site or site boundary: 1, 21 Continuous sampler Weekly gross beta on Particulates (2/3 running time each filter, quarterly 22, 23 gamma isotopic on each Communities: 3,5,7 cycle), changes weekly location composite, Control: 24 Sr-89-90 on second 3, 21, 23, 24 quarter composite, Radiolodine 1-131 on radiotodine weekly.

Once per 3 years Camma isotopic on each Soit 1,3,4,5,6,7,21,22,23,24 Sr-89-90 on 1,21,22, 23,24 (on collection)

Monthly Cross beta; seml-annual Precipitation Site: 01 Con:posite 11-3 and gama WP isotopic Quarterly Cama dose quarterly DIRECT 1,3,4,5,6,7,21,22,23,24 Monthly Camma Isotopic, radio-WATERBORNE Reservoir: 9 g lodineYli-3 quarterly Discharge: 8 compos ate, + Sr-89-50 second quarter composite Quarterly Cam:na isotopic,11-3 on North Anna River: 411 WR collection, + Sr-69 90 Ground (well): IA WG second quarter sacrple

TABLE 3.2.1 (Continue Q NORT11 ANNA POWER STATION e OPERATIONAL RADIOLOGICAL ENVIRONMENTAL FONITORING PROGRAM EXFOSURE PATl!WAY S WPLE LOCATION AND/OR SAMPLING AND TYPE AND FREQUENCY AND/OR SA.TLE HAP NtNBER DESIGNATION COLLECTION FREQUENCY OF ANALYS15 AQUATIC Reservoir 9 Semiannually Garma isotopic on Sediment Discharge: 8 collection, Sr-89-90 North Anna River: 11 annually +

Shoreline Vicinity of: 9 INGEST!ON Milk Nearest Dalrios: 12, 13, 14A Monthly 8 Radiciodint*,', Cama isotopic monthly, Sr-89 90 quarterly Non-dairy activityb Calculated doso RadioloJine b ,e, Ca m dependentb isotopir.b S r- 89-90b Fish Reservoir: 9 Annually, near Gamma isotopic (Bass, or sunfish Discharge 8 beginning of season or crappie and catfish Creen Leafy 21, 23 Annually during Canma isotopic on vegetation, harvestC collection cultivated or weeds. Naturally occurring O

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, NORTH ANNA POWER STATION OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM EXPOSURE PATHWAY SAMPLE LOCATION AND/0R SAMPLING AND TYPE AND FREQUENCY AUD/0R SAMFLE' MAP NUMBER DESIGNATION COLLECTION FREQUENCY OF ANALYSIS

a. Once each month I and 2 mrem thyroid isodose lines will be calculated using the previous month's release data based on the cow-milk-child pathway. Should a dairy be located within the 1 mrem isodose line the sampling and analysis frequency for radiciodine will be modified to semimonthly for the month following the month for which the calculation was made. A similar sampling program will be for the 2 mrem isodose line except on a weekly frequency.

b. ' Monthly updates of the current year's annual accumulated calculated thyroid 15 mrem isodose lines based on the goat-milk-child _and the cow-milk-child pathway will be done. Should the isodose line extend beyond the site boundary, a survey to locate goats or cows within the isodose line will be carried out within 30 days. Should goats or cows be observed, efforts to obtain samples from the owners of the animals will be put forth. If scmples are obtainable, a sampling program similar to "a" above will be initiated. If samples are unobtainable, the annual report will document such and include the calculated doses.

c. Monthly updates of an annual 15 mrem isodose line (using release data and maximum organ dose in each of the 16 sectors) based on tha grass-cattle-beef-man pathway will be done. Should the isodose line extend beyond the site boundary, sampling and analyses will be modified to monthly for the current year.

l .d. Sampics will be taken from the Environmental Laboratory well.

e. Radioiodine analyses will be done by chemical separation.

TABU! 2 SANttfN_C SQATION IDENTIFICATION AND RELATIVE POSITION TO EPFLUENT RELEASE POINT DISTANCE DEGREES AND REMARg5 STATION HILES COMPASS DIRECTION NUMBER , LOCATION 0.2 42 NE -

01 On Site 5.3 225 SSW 02 Fredericks Hall ,

243 WSW Mineral 7.1 03 287 WNW Waros Crossroads 5.1 04 20 NNE Good Hope Church

- 4.2 05 11 SSE Sturgeon's Creek 3.2 05A 115 ESE 4.7 06 Levy 7.3 167 SSE 07 Campass 3.1 148 SSE 08 Discharge Lagoons CONTROL 2.2 320 NW 09 Lake Anna, upstremit 5.8 228 SSE 11 North Anna River,dewnstream 8.3 310 NW oo 12 Ilo11aday Cairy 5.6 205 SSW 13 Tredericks Hall 202 SSW Trice Dairy 3.2 '

14 310 NW Colvin Dairy 8.0 14A 301 WNW 1.0 21 Route 685 1.0 242 WSW 22 Route 7-0 0.9 158 SSE 23 Aspen Hills CONTROL 22.0 325 NW 24 Orange

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U ABSTRACTS OF THE ANALYTICAL PROCEDURES The following are abstracts of the radionuclide separatien, puri- i fication, and measurement techniques used by Teledyne Isotopes. These tech-niques have been developcd to meet the detection sensitivities (Table 3) and associated accuracies required by the nuclear industry in co=pliance with technical specifications.

Air Particulates Gross Beta Transfer filter to a 2-inch diasecer planchet and assay in a Beck-man Sharp Wide Beta II automatic alpha / beta counter.

Camma Isotopic Analysic Composite station filters are co=bined quarterly and radioassayed on a high resolution, high efficiency Ge(Li) detector.

Radiogas Iodine-131 Two procedures are used for the analysis of charcoal cartridges

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METHOD 1. If the charcoal used is NOT impregnated v' th elemental iodine, iodide carrier is added and leached with NaOH. The stacle iodide and I-131 is then stripped and extracted as iodine and precipitated as PdI2' mounted on a nylon planchet, and assayed by low level beta counting.

MET 110D 2. -If the charcoal used in the filters is impregnated with

- iodine, the chemical yield of the distillation procedure cannot be determined and the samples are inaly:ed by high resolution ganna spectrometry (Ge(Li)) by integration of the I-131 photopeak.

I Direct Radiation (TLD) _

CaSO 4 :Dy thermoluminescent dosimeter packets consisting of the four-area RadiGuard badge are placed at monitoring locations. At the end of the monitoring period, the dosimeters are returned to Teledyne Isotopes for readout. Results are reported in mR for the co11cetion period or mR/ collection time period.

Milk, Iodiae-131 Stable iodide carrier is added to an aliquot of milk and the io-(,j'-s dide and I-131 is removed by anion exchange resin. The iodine is stripped I

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l TTELEDYNE isoroPES with Na0C1 solution, reduced with hydroxylamine hydrochloride, and extracted into CHC1. as free icline (I2 ). It is then back-extracted into h

NaHSO 3 solution and# precipitated as PdI,. D e precipitate is mounted on a nylon planchet for low level teta coun Ing.

Strentium-89/ Strontium-90 To 1 liter of milk add strontium carrier and TCA solution. Stir solution and allow precipitatien to settle overnight. Filter, wash, and dis-card precipitate. To the filtrate add oxalic acid, followed by NH.CH until the solution is alkaline in order to precipitate calcium and stroniium oxalates.

His precipitate is filtered and ashed, and the ash is dissolved in nitric acid. Strontium is purified by repeated precipitations as nitrate in concen-trated HNO3 . Barium and iron scavenges are perfor=ed and stable yttrium carrier added , followed by a 5 to 7 day period for Y-90 ingrowth. The yttrium is precipitated as the hydroxide, redissolved and precipitated as the oxalate, and then counted on a nylon planchet and counted in a low level beta counter. The strontium is precipitated from the sample as SrCO ,

3 mounted on a nylon planchet and counted in a low level beta counter for Sr-89 and/or the Y-90 ingrowth.

Ga=ma Isotopic Analysis Transfer 1 liter of milk to a 1-liter wrap-around Marinelli count-ing beaker and radioassay on a high resolution Ge(Li) uctector.

Well Water Tritium An aliquot of sample is converted to hydrogen gas by reduction in a hot zinc furnace, mixed with methane counting gas and rzdioassayed utilizing an internal low level gas proportional counter. Very low levels of activity can be detected due to the sophistication of the counting equipment, the electronics, and the shielding.

Gamma Isotopic Analysis One liter of sample is transferred to a 3-liter Marinelli wrap-around counting beaker and counted on a Ge(Li) detector.

Surface Water Tritium An aliquot of sample is converted to hydrogen by gas reduction in a hot :ine furnace, mixed with methane counting gas and is radioassayed util-i:ing an internal low level gas proportional counter. Very low levels of ac-tivity can be detected due to the sophistication of the counting equipment, the electronics, and the shielding.

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SPTELEDYNE ISOTOPES O Gamma Isotopic Analysis One liter of sample is transferred to a 1-liter Marinelli wrap-around counting beaker and counted on a Ge(Li) detector.

Fish Gamma Isotopic Analysis Remove the edible portions by filleting the fish and homogenizing in a high speed blender or dice into small pieces. Transfer the blended or diced portions to a 300 m1 bottle, record the weight, and radioassay on a 1igh resolution Ge(Li) detector.

Vegetation / Terrestrial (Green Leafy)

Gamma Isotopic Analysis.

Completely fill a 300 mi bottle with a green leafy vegetation.

Record sample weight and radioassay on a Ge(Li) detector. Calculate the ob-served gamma emitting nuclides in pCi/g. wet.

Soil and Sediment / Silt l Gamma Isotocic Analysis Fill a 300 m1 bottle with soil, record the sample weight, and radioassay on a high resolution Ge(Li) detector.

Strontium-89/Stronium-90 Weigh an aliquot of dry soil or sediment and transfer to a 1-liter beaker. Add strontium carrier and concentrated HNO ; 3then heat the sample for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to leach strontium from the soil. Filter the resulting solution, wash the precipitation with hot water, and discard the residue. Evaporate the filtrate to a few milliliters and add NH 0H 4 until alkaline. Add sat-urated Na3CO. solution to precipitate SrCO3 , and centrifuge and discard-

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supernate dissolve precipitate in HNO3 and evaporate to almost dryness.

Proceed with Sr-89, Sr-90 purification procedures using fuming nitric acid, an Fe(OH)3 scavenge, etc.

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TTELEDYNE ISOTOPES ABSTRACTS OF Tile RAD 10 ASSAY PROCEDURES The lower limits of detection for radionuclides by the radioassay procedures are listed in Table 3.

Gross Beta Evaporated or solid phase aliquots are transferred to a 2-inch diameter stainless steel planchet and counted in a low level gas flow thin window Geiger counter.

Ge(Li) Gamma Spectrometry Based upon the specific media to be analyzed, samples are counted in 1-liter wrap-around Marinelli type containers', 300 m1 bottles or 2-inch filter paper source geometries on 55 cc Ge(Li) detectors coupled to multi-channel spee :rometers. All resultant spectra are maintained on magnetic tape for compute 7 analysis and for future reference.

Strontium-89/ Strontium-90

' After decomposition and radiochemical separation and purfication, mounts of Sr-89 and Y-90 are counted in a low level gas flow thin window Geiger counter. Nuclide purity is established by counting over at least one half-life for Y-90 and by multiple counts for Sr-89.

Tritium An aliquot of distilled sample is added to scintillation cocktail and counted in a liquid scintillation spectrometer, or converted to the gaseous phase and counted in an internal gas proportional counter depending on sensitivity requirements.

Iodine-131 Mounts are counted in a low level gas flow thin window Geiger coun-ter. Nuclide purity is established by counting over at least one half-life.

Positive detections of I-131 are also verified by counting on a beta-gamma coincidence spectrometer.

Rare Gases Purified fractions are assayed in internal gas proportional counters.

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- l TTELEDYNE ISOTOPES TABLE 3 LOWER LIMITS OF DETECTION

- LLD 6 Sampled Volume Sample Analysis Reporting Units Required

1. Airborne Particulate 2 3 3 Gross Alpha 2.5x10,jpCi/m3 125 m Gross Beta 7.6 x 10 pCi/m Ge(Li) Gamma Isotopic See Table 3.2 1625 m 3

2. Airborne Iodine ~

Charcoal Cargridge I-131 **2.4 x 10 pCi/m 125 m

3. . Direct Radiation TLD Environmental Badge 2 mR 1 2 mR

4. Milk ,

Sr-90 0.8 pCi/1 4 liters I-131 by Chemical Separation 0.5 pCi/1 Ge(Li) Gamma Isotopic (Cs-137) See Table 3.2 Cs-137 Chemical Separation 3 pCi/1

5. Well Water Gross Alpha 0.5 pCi/1 2 liters f) Gross Beta 0.5 pCi/1 l

Tritium (gas count) 100 pCi/1 Ge(Li) Gamma Isotopic See Table 3.2

6. Surface Water Gross Beta 0.5 pCi/1 7 liters Tritium (gas count) 100 PCi/1 Ge(Li) Gamma Isotopic See Table 3.2

7. Fish: Flesh Gross Beta plue K-40 0.1 pCi/gm wet (2) 1 Kg Ge(Li) Gamma Isotopic See Table 3.2 Sr.89 *0.8 pCi/gm Sr-90 *0.5 pCi/gm

8. Vegetation (corn, leaf, food, terrestrial, aquatic)

Ge(Li) Gamma Isotopic See Table 3.2 (2) 1 Kg Sr-89 0.8 pCi/gm

'Sr-90 0.5 pCi/gm

9. Soil Ge(Li) Gamma Isotopic See Table 3.2 1 Kg f5 10. Silt i) s Ge(Li) Gamma Isotopic See Table 3.2 (2) ' Kg-Sr-89 0.8 pCi/gm Sr 0.5 pCi/gm 15 w

TTELEDYNE ISOTOPES h

TABLE 3.2 LOWER LIMITS OF DETELTION BY HIGH RESOLITTION Ge(Li) GMBfA SPECTROSCOPY ENVIRO.VIENTAL SMiPLES Water (1 liter) Soil 6 Vegetation Filters Nuclide pCi/1 (400 gm) pCi/gm pCi/ total filter Be-7 8E+01 2E-01 2E+01 K-40 2E,+02 SE-01 set 01 Cr-51 8E+01 ,

2E-01 8E+01 Mn-54 8 2E-02 2 Co-58 8 2E-02 2 Fe-59 1E+01 4E-02 3 Co-60 8 2E-02 2 llh 2r-95 1E+01 4E-02 3 Ru-103 8 2E-02 2 Ru-106 SE+01 2E-01 8E+01 1-131 10 35-02 2 Cs-134 9 2E-02 2.

Cs-137 9 2E-02 2 Ba-140 3E+01 bE-02 6 La-410 2E+01 4E-02 2E+01 Ce-141 2E+01 4E-02 3 l l

Ce-144 8E+01 2E-01 2E+01 i

Ra-226 6E+01 1E-01 1E+01 Th-228 IE+01 2E-02 IE+01 O

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B TTELEDYNE l ISOTOPES O-TABLE 3 LOWER LIMITS OF DETECTION

Detection in limits as stated are per gram of ashed material. The actual detection limits in pC1/gm (wet) will vary by a factor of 10-100, depending on the wet versus ash weight factor.

- Analysis by chemical separation and beta counting of PdI2 . The non-impregnated with elemental iodine charcoal cartridges must be used when chemical separation is required.

- - The LLD values listed in this table are at the mid-collection time. Samples must be counted within one half-life after collection for these LLD values to be applicable.

LLD =

.29 4.66 h (Ref. 10) 2.22 (V)(c)(DF) 2.22 (V)(c)(DF)(Y) l

! where S= background = cpm At = counting time = min.

2.22 = conversion factor -=

V= volume or weight of sample c= counter efficiency DF = decay factor of the radionuclide from mid-collection to mid-count time

-Y = chemical yield l'

LLD = lower limit of detection at the mid-

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TTELEDYNE ISOTOPES l

QUALITY CONTROL OF ANALYSIS Important elements of the Quality Control Program at Teledyne Isc-topes are (1) Sample and Analysis Control and (2' Laboratory Procedure Con-trol.

Details of these elements of the Quality Control Program are provided in separate documents and issued to our customers on a proprietary basis.

1. Sample and Analysis Control All samples arriving at our laboratories are assigned a T.I. code number and are processed by the procedures described in our " Quality Control Manual" (Ref. 9 ) . Copy No. 14, latest revision date of 01/15/80, of t!'e manual has been issued to the Virginia Electric and Power Company.

The Quality Control Manual contains (a) Specifications for the handling and processing of samples and the documentation required for calculating and reporting the results of the analysis.

(b) The organization chart of the Environmental Analysis Group at Teledyne Isotopes and the resumes of supervisory personnel.

(c) References to the routine stebility checks of backgrounds and 9

standards required for the calibration of the counting instru-ments used for radioa m ying of samples.

(d) References to the operational checks on blanks, spikes, splits, and cross checks of samples.

(e) A section on accuracy checks containing summaries of inter-comparison data with EPA cross check programs

2. Laboratory Procedure Control Approved laboratory procedures are followed at Toledyne Isotopes for the analysis of each samples media for specific radionuclides. Copies of the following procedures were issued to the Virginia Electric and Power Company: Determination of Radiostrontium, Detemination of Radioiodine, Detection of Gross Alpha and/or Gross Beta, Detemination of Gamma Spectra, Determination of Tritium.

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MTEt.Et.ttNE ISOTOPES TABLE 8

' C )' RADIATION DOSE TO TIIE INDIVIDUAL FROM NATURAL AND ARTIFICIAL SOURCES (FROM REF. 11)

Natural and Artificial Annual per Capita Source In Exposure Source Whole Body Dose Ref. 11 Ambient external gamma 55 mrem / year Page 36, Table 2-13 (Virginia)

! Medical - bone marrow dose 103 mrad / year Page 213, Table 8-3 to the adult population 1970 K internal constitutent 17 mrem / year Page 29, Table 2-9 of body for beta, and gamma whole body i Global fallout - total annual 4.4 mrem / year Page 131, Table 4-10 per capita body dose, est. 1980 O

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TTELEMNE ISOTOPES REFERENCES O

1. Enited States Nuclear Regulatory Coc=ission, Regulatory Guide 4.8

" Environmental Technical Specifications for Nuclear Power Plants,"

December 1975.

2. Quarterly reports on the Environmental Radiological Monitoring Pro-gram (ERMP) at the North Anna Power Station prepared by Tcledyne Isotopes (IWL-0263-345 and 359 July-December 1974).

3. ' Quarterly reports on the ERMP at the North Anna Power Station prepared by Teledyne Isotopes (IWL-0268-364, 367, 371, 375,'and 376 January-December 1975).

Qurrterly reports on the ERMP at the North Anna Power Station prepared 4.

by Teledyne Isotopes (IWL-0268-387, 394, and 395 January-December 1976).

S. Qaarterly reports on the EMRP at the North Anna Power Station prepared by Teledyne Isotopes (IWL-5343-406, 407, 413, 423, and 429 January-December, 1977).

6. Teledyne Isotopes " Environmental Monitoring Summary - Preoperational Program - July 1, 1974 - Septe=ber 30, 1977 IWL-5343-426. Prepared for Virginia Electric and Power Co=pany (NAPS).

7. Appendix B to Operating License, Environcental Technical Specifications O

for North Anna Power Station, Units I and 2, Virginia Electric and Power Company, Docket Nos. 50-338 and 50-336.

8. Virginia Electric and Power Company, Radiological Environmental Moni-toring Manual, June 1977.

9. Teledyne Isotopes, " Environmental Radiation Analysis Quality Control Manual, "IWL-0032- 361,1975, Copy No. 14 issued to Virginia Electric and Power Company.

10. Energy Research and Develop =ent Administration, HASL Procedures Manual, (HASL-300, D-08).

II. United States Environmental Protection Agency. " Radiological Quality of 'the Environment in the United States, 1977" EPA 520/1-77-009, Sep-tember 1977.

12. United States Nuclear Regulatory Commission. Regulatory Guide 1.109,

" Calculation of Annual Doses to Man from Routine Releases of Reactor Effluents for the Purpose of Evaluating Compliance with 10CFR50, Ap-pendix I," October 1977.

13. Quarterly reports of the REMP at the North Anna Power Station prepared by Teledyne Isotopes, IWL-6343-432, Jan 1,1978-Dec. 31,1978. g

14. Quarterly reports of the REMP at the North Anna Power Station prepared by Teledyne Isotopes INL-7043-444. Jan 1, 1979-Dec. 31, 1979.

20

\

l TTELEff/NE ISOTOPES O

FIRST QUARTER 1980 f

L O .

O 1A

TTELEDYilE ISOTOPES TABLE OF CONTENTS FIRST QUARTER 1980 g PAGE,

SUMMARY

AND DISCUSSION OF RESULTS LIST OF TABLES 3A LIST OF FIGURES 3A EXCEPTIONS AND SPECIAL EVENTS 4A AIRBORNE EXPOSURE PATHWAY 5A DIRECT EXPOSURE PATHWAY 11A WATERBORNE EXPOSURE PATHWAY 14A INGESTION EXPOSURE PATHWAY 20A CONCLUSIONS 23A O

l l

2A L _

~, l TTELEtt/NE ISOTOPES LIST OF TABLES PAGE TABLE 4 Remp Summary - Airborne Exposure 7A TABLE S Remp Summary - Direct Exposure 13A TABLE 6 Remp Summary - Waterborne Exposure 16A TABLE 7 Remp Summary - Ingestion Exposure 22A I

LIST OF FIGURES

-A FIGURE 3 Air Exposure - Gross Beta and Ce-144 (1977-1980) 6A FIGURE.4 Direct Exposure - Environmental TLD (1977-1980) 12A l

FIGURE S Water Exposure - Tritium (1977-1980) 15A FIGURE 6 Ingestion Exposure - Sr-90 (1977-1980) 21A I

l

^

l

. (%.

l 0

- 3A

TTELEENNE ISOTOPES EXCEPTIONS AND SPECIAL EVENTS FIRST QUARTER 1980 JANUARY 1, 1980 - MARCil 31, 1980 g

EXCEPTIONS-During the first quarter of 1980 the schedule of analyses of samples from the vicinity of the North Anna Power Station (NAPS) was followed with the exception of the air particulate and charcoal sampics tabulated below, collection station sample period exception 01 AP,C 01/22-01/30 sampling equipment malfunction 01-07,27-24 C 03/25-04/01 package danaged in shipment repackaged by UPS and received late at Teledyne Isotopes 03 AP,C 03/11-03/18 sampling equipment malfunction 04 AP,C 02/26-03/04 04 AP,C 03/04-03/11 06 AP,C 02/26-03/04 06 AP,C 03/04-03/11 "

lll 24 AP,C 01/22-01/30 SPECIAL EVENTS No special events occurred during the first quarter of 1980 that could influence the radiolvgical environment in the vicinity of the NAPS.

4A

TTELEff!NE ISOTOPES

g. AIRBORNE EXPOSURE PATHNAY

{V (JANUARY 1,19SO-MARCH 31, 1980)

AIR PARTICULATE FILTERS (STATIONS 1-7, 21-24)

The gross beta activity continues low at 0.03 pCi/Cu.M. and the Ce-144 activity was below the limits of detection of L.T. 0.01 pCi/Cu.M.

in -he A.P filters. This trend continues the low activity monitored since

< ' July 1978 (see Figure 3).

AIR RADI0 IODINE (STATIONS 1-7, 21-24)

No I-131 was detected in the weekly air :as samples collected in the vicinity of NAPS indicating that no detectable airborne releases occurred.

s PRECIPITATION (Station 01)

The deposition of gross beta activity in precipitation continues low at a total of 0.S1 nCi/sq.m.

SOIL (STATION 09)

No radionuclides frem airborne deposition of NAPS releases on soil were detected.

. See Table 4, the REMPS table for airborne exposure.

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TABLE 4 -

R ADICLDGICAL EhVIRChPENT AL PCNITORING PROGRAM

SUMMARY

PATHWAY- AIROGRNE COMPILATIDN - CUARTERLY

SUMMARY

VIRGINI A ELECTRIC E POWER COPPANY S AMPL E - AIR P ARTICUL ATE FILTERS CONTHot - OR ANGE-2 2.0 Pl .325 DEG.NW NORTH ANNA P0hER STATION UNITS - PCI/CU. M o

ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATICN htTP PIGHF5T MEAN CONTROL LOCATION NON- REPCRTING P;3ICO DE TEC TION PEAN x E-00 MEaN X E-00 MEAN M E-00 R CUTI NE MEAN X E-00 RANGE STATICN FRACTIEh RANGE RANGE FRACTION STATICN CESCRIPTION FRACTION f

CR-R 149 0.0076 0.028 0.036 0.027 0 01/02/80-04/01/80 0.022 - 0.036 03 012/012 0.019 - 0.0 F0 0.C10 - 0.047 148/149 MINCRAL-T.1 Pl.243 CEG. 012/012 ,

SAMPLE 7 LT 0.00C00 .

0 01/02/80-03/18/80 NOT LT 0.00000-LT 0.00000 t COLLECTED C0C/007

' sf BE-7 12 0.0120 0.0623 0.0859 0.0783 0 01/02/80-04/01/80 0.0300 - 0.0859 23 001/001 0.0859 - 0.0859 0 0783 - 0.0783 011/012 ASPEN HILL 5-0.9 MI.158 OEG. 001/001 I-131 12 0.00120 LT 0.09CO LT 0 0600 0 01/02/80-04/01/80 LT 0.0300 -LT 0.0900 LT 0.C60C -LT 0.0600 C00/012 000/001 C5-137 3? 0.00120 0.00206 0.C0206 0.00206 0 01/02/80-04/01/80 0.0C206- 0.00206 24 001/001 0.002C6- 0.002c6 0.CO2C6- 0.00206 C01/012 ORANGE-22.0 MI.325 CEG.lCONTROLI 001/001

TABLE 4 RADIOLOGICAL EhVlRONFENTAL MCNITORING PROGRAM

SUMMARY

PATHWAY- AIRBOR'4E COMPIL ATION - CU AR T ERLY SUFMARY VIRGINIA ELECTRIC C POWER CCMPANY SAMPLE - CPARCOAL FILTERS CONTROL - ORAtiGE-22 0 FI.325 DEG.MW NORTH ANNA POWER S T ATI CN U'41TS - PCI/CU. M Cfl AL Y S I S f43 LIMIT OF ALL INDICATOR SAMPLES LOCATICN WITH HIGHEST MEAN CONTROL LOCATION hCN- REPCRTING PERIOD DETECTION MEAN X E-00 MEAN X E-03 MEAN X E-00 ROUTINE P E At4 X E-00 RANGE STATION FRACTICN RANGE RANGE F R AC TI 0ta STATICh DESCRIPTION FRACTION I-131 149 0.024 LT 0.10 LT 0.10 0 01/02/80-04/01/80 LT 0.020 -LT 0.10 LT 0.C090 -LY 0.10 C00/149 C00/012 SAMPLE

7 LT 0.00000 ~

0 01/02/80-03/18/80 NOT LT 0.0C000-LT 0.00000 COLLECTED C00/007 5

9-O O O -

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O. O -

TABLE 4 ..

RAOICLOGICAL EhVlROPPENTAL MCNITORING PROGRAM

SUMMARY

PATHWAY- AIRRORNE COMPILATION - 00 ART QLY

SUMMARY

VIRGINI A ELECTRIC & POWER CCMPANY

$ AMPLE - WATER - PRECIPITATION CONTROL = NORTH ANNA P0hER STATION UNITS - PCI/ LITER AN AL Y S I S NO LIMIT OF ALL INDICATOR SAMPLES LOCATICN With FICHFST MEAN CONTROL LOCATION NON- REPORTING PERICO DETECTION MEAN X E-00 MEAN X E-00 MEAN X E-00 ROU TI NE MEAN X E-00 RANGE STATION FRACTICN RANGE RANGE FRACTION STATIth CE5CRIPTION FRACTION GR-8 3 7.5 T.5 0 01/01/80-03/31/80 7.5 - 7.5 et 003/003 1.1 -

19

003/003 ON5tTE-0.2 Pl.42 UEG DEPOSITION (TOTAL) u.51 nci We t

TABLE 4 R ADIOLOGIC AL ENVIRChMENT AL MCNITORING PROGRAM

SUMMARY

PATHWAY- AIRBORNE COMPILATION - CUARTERLY

SUMMARY

VIRGINIA ELECTRIC C POWER COMPANY

$ AMPL E - 5 0 IL CONTROL - ORANGC-27.0 MI.325 0FC.NW NORTH ANNA P0hER STATION UNITS - PCI/GM ORY ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCAT ION WITH HIGHEST ME AN CONTROL LOCATICN NON- RE*0RTING PERIOD DE TEC T ION MEAN X E-00 MEaN x E-00 MEAN X E-00 ROUTINE M E A *4 X E-00 RANGE STATICH FRACTIEN RANGE RANGE FRACTION STATIEN CESCRIPTION FRACTION K-40 1 0.500 7.64 7.64 0 03/19/80-03/19/80 T.64 -

7.64 09 001/001 7.64 -

7.64 C01/001 LAKE ANNA, UFA-2.2 FI. 320 CEG. (CON I-131 1 0.0300 LT 0.100 0 03/19/80-03/19/80 LT 0.100 -LT 0.100 C00/001 .

CS-137 1 0.0200 0.224 0.? !4 0 03/19/80-03,49/80 0.224 - 0 224 09 001/001 G.224 - 0.224 001/001 LAKE ANNA, UPS-2.2 NI. 320 DEG. ICON TtH228 1 0.0200 0.421 0.421 0 03/19/80.03/19/83 0.421 -

0.421 09 001/001 0.421 - 0.421 001/001 LAKE ANNA, UPS-2.2 MI. 120 DEC. ICON E

8 O O 4 -

l 1

I TTELEDYNE ISOTOPES i '

n V

DIRECT EXPOSURE PATHWAY (JANUARY 1,1980-MARCH 31,1980)

ENVIRONMENTAL .MBIA DOSE-TLD (STATIONS 1-7, 21-24) l The - .onmental gamma dose monitored by TLD in the vicinity of NAPS remaincu below 0.2 mr/ day during the first quarter of 1980 continuing the low dose levels monitored during 1979. See Figure 4, the plot of the dose levels monitored since 1977.

I See Table 5, the REMPS table for direct exposure.

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TABLE 5 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM SUMMAkt PATHWAY-DIRECT EXPOSURE VIRGINIA ELECTRIC & POWER COMPANY S L E:.VIRONMPNTAL BADGES COMPILATION - QUARTERLY

SUMMARY

CONTROL - ORANGE-22.0 MI.325 DEG.NW NORTH ANNA POWER STATION AN A LYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION NITH 511GHEST MEAN CONTROL LOCATION NON-REPORTING PERICO

' DETECTION MEAN X E-00 MEAN X E-00 MEAN I E-00 ROUTINE MEAN I E-00 . RANGE STATION' FRACTION RANGE RANGE FRACTION , STATION DESCRIPTION FRACTION 0.22 0.10 0 12/26/ 5 03/25/80 GAMMA 12 *2mrt2mr 0.I0-0 2 06 I/1 DOSE I2/12 LEVY-4.7 MI.115 DEG I/I f

2mrt2 mr per dosimeter l

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l TTELEDYNE ISOTOPES WATERBORNE EXPOSURE PAT!!WAY (JANUARY 1,193G-MARCll 31, 1980) h SURFACE WATER (STATIONS 08,09)

Iodine-131 and gamma activity in surface water remained below the limits of detection. The tritium activity at the Discharge 1.agoon (Station 08) remained at 560 pCi/ liter, the same level monitored in the fourth quarter of 1979.

RIVER WATER (STATION 11)

The tritium activity at Station 11 dropped to 310 pCi/ liter from 490 pCi/ liter in the fourth quarter 1979 and even higher activities in the first three quarters of 1979. No gamma emitters above the limits of detection were monitored.

GROUND WATER (STATION 01A)

Ground water from the Environmental Well (Station 01) contained no gamma emitters or tritium activity above the limits of detection indicating that no waterborne releases from NAPS entered the ground water at the site of NAPS.

bee Table 6, the REMPS table for waterborne exposure and Figure 5, the tiitium level at the water discharge from the NAPS.

SEDIMENT (STATIONS 08, 09, 11)

Sediment / silt samples monitored for gamma activities contained no radio-nuclides from operations of the NAPS. The transfer of possible nuclear plant releases to tL2 aquatic pathway usually follows the waterborne path.

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TABLE 6 t

RADIOLOGICAL ENVIROAPENTAL MCNITORING PROGRAM

SUMMARY

PATPWAV- WATERBORNE OMPILATION - CUARTERLY $UMMARY VIRGINI A ELECTRIC C PohER CCPPANY '

SAMPLE - WATER - SUR F ACE CONTROL - LAKF **%A.UPS-2 2 NI.320 DEG.NW I40R1H ANNA P0hER STATION UNITS - PCl/ LITER API AL YSI S 74 0 LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH HIGHFST MEAN CONTROL LOCATION NON- REPORTING PERIOD DETECTION MEAN x E-00 MEAN x E-00 MEAN X E-03 ROUTINE MEAN X E-00 RANGE ST ATION FR ACT ICN R A'4GE RANGE FRACTION STATICN CESCRIPTIort FRACTION I-131 6 17 0.50 LT 0.50 0 01/17/80-03/19/80 LT 0.50 -LT 0 50 LT 0.30 -LT 0.50 000/006 000/003 I-131 6 Lf 20.0 LT 20.0 0 01/17/80-03/19/80 LT 10.0 -LT 20.0 LT 10.0 -LT 20.0 C00/006 000/003 1

4 CS-137 6 LT 7.00 LT 7.00 0 01/17/80-03/19/80 LT 7.00 -LT T.00 LT 7.C0 -LT 7.C0

C00/006 C00/003 TH-22S 6 21.1 21.1 LT 20.0 0 01/17/80-03/19/80 21.1 -

21.1 08 001/003 21 1 -

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- 001/006 OISCHARGE LAG 0CNS-1.1 MI.148 DEG. 00C/003 C

H-3 2 360. 560. 160. 0 01/17/80-03/19/80 160. -

560. 08 001/001 560. - 560. 160. -

160.

CO2/002 DISCHARGE LAGCCAS-1.1 Mt.148 DEG. 001/001 e

TABLE 6 RADIOLOGICAL ENVIROAPENTAL MCNITORING PROGRAM

SUMMARY

PATHWAY- WATEROGRNE COMPILATION - CUARTERLY

SUMMARY

VIRGINIA ELECTRIC C POWER CCMPANY

$ AMPLE = WATER - RIVER CONTROL - LAME AkN A UPS-2.2 MI.320 DEG.NW NORTH ANNA P0hER STATICN U'4 I T S - PCI/ LITER AN AL VS I S NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH FIGHEST ME AM CONTROL LOC ATICN NON. REPCRTING PERIOD DETECTION MEAN X E.00 MEAN K E-03 MEAN N E-00 RCUTINE MEAN X E-00 R ANG E STATION FRACTIEh RANGE RANGE FRACTION STATICA CESCRIPTION FR4CTION I-131 1 LT 10.0 0 03/19/80-03/19/80 LT 10.0 -LT 10.0 C00/001 C5-137 1 LT 6.00 0 03/19/80-03/19/80 LT 6.00 -LT 6.00 C00/001 H-3 1 310. 310. 0 03/19/80-03/19/80 310. -

310. 11 00I/001 310. - 310.

C01/001 NORTH ANNA R.CEWNS-5.8 MI.128 DEG.

7 O O O -

O O O -

TA8LE 6 ,,

RA010 LOGICAL ENVIR0hPENTAL MCNITORING PROGRAM $UMMARY P ATHWAY- W ATERBORNE COMPILATION - QUt9TERLY

SUMMARY

VIRGINI A ELECTRIC E POWER COMPANY

$ AMPL E - W ATER - CROUNO CONTROL - PREVICb$ 3 CUARTER$ NORTH ANNA P0hER STATION UNITS

PCI/ LITER ANatVSIS NO LIMif 0F ALL INDICATOR $AMPLES LOCAT ION WITH HIGHFST ME AN CONTROL t oCA TION AON- REPORTING PERIOD DETECTION MEAN x E-00 MEAN X E-00 MEAN X E-00 ROUTINE MEAN X E-00 R A NGE ST ATION FR ACT lfN RANGE RANGE FR AC TION STATIEN CESCRIPTION FRACTION 1-131 1 10.0. LT 60.0 '

0 03/26/80-03/26/80 LT 60.0 -LT 60.0 C00/001 CS-13Y 1 9.00 LT 6 03 0 03/26/80-03/26/80 LT 6.00 -LT 6.00 C00/001 H-3 1 100. LT 100. 0 03/26/80-03/26/8J LT 100. -LT 100.

C00/001 4

4 TABLE 6 RADIOLOGICAL ENVIRchPENTAL MCNITORING PROGRAM

SUMMARY

POTHWAY- AQUATIC COMPILATION - CUARTERLY $UMMARY VIRGINIA ELECit!" r r0WER CCMPANY S AMPL E - SE0lMEr4T/$lLT CONT ROL - L AME Abh A UPS-2.2 MI .320 DEC.NW NORTH ANNA P0hER STATICN UNITS - PCI/CM DRY ANALYSIS NO LIMIT OF ALL INDICATOR SAPPLFS LOC AT ICN WITH HIGHFST MEAN CONTROL LOC ATICN NON- REPCRTING PERIOD DETECTION MEAN x E-00 MEAN K E-00 MEAN N E-00 RCUTINE MEAN x J-00 R A NGE STATICN FRACTlfN RANGE RANGE FR AC TION STATICA CESCRIPTIO*4 FRACTICN K-40 3 0.500 29.8 56.T 6.44 0 03/19/80-03/19/83 6.44 - 56.7 08 001/001 56.7 -

56.7 6.44 -

6.44 C03/003 DISCHARGE LAGCCNS-1.1 MI.148 DEG. 001/C01 1-131 3 0.0300 LT 0.300 LT 0.200 0 03/19/80-03/19/83 LT 0.100 -LT 0.300 LT 0.200 -LT 0.200 C00/003 C00/001 C5-137 3 0.0200 0.166 0.166 0 166 0 03/19/80-03/19/83 0.166 - 0.166 09 001/001 0 166 - 0.166 0.166 - 0 166 C01/001 LAKE ANNA, UPS-2.2 Pl. 320 DEG. ICON 001/001 RA-226 3 0.100 3.3e 4.37 2.39 0 03/19/80-03/19/83 2.39 -

4.37 Os 001/001 4.37 -

4.37 2.39 -

2.39 002/003 OISCHARGE LAGCCNS-1.1 Mt.148 DEG. 001/001 TH-228 3 0.0203 2.43 4.27 2.20 0 03/19/80-03/19/83 0 844 - 4.27 08 031/001 4.27 -

4.27 2.20 -

2.20 003/003 OISCHARGE LAGC(h$-1.1 Hl.148 DEG. 001/001 O O O -

. _ _ _ - _ _ . . - . .. . ~_ - _ _ _ . . . _- .-. _ - - - _ .-. --.-

TTELEDYNE ISOTOPES INGESTION PATIIWAY O v^NuARr 2. 1980- m aCa 31.198o :

b MILK (STATION 12, 13, 14A)

Milk samples were analy:ed for low levels cf 131, Sr-89, Sr-% and gamma emitters. The results of these analyses are sursnari:ed in Table 7.

Plotted on Figure 6 is the average Sr-90 ac'ivity of 2.8 pCi/ liter in agreement with the 3.0 pCi/ liter monitored during the fourth quarter of ~

1979.

See Table 7, the REMPS table for ingestion exposure.

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18U 1978 W1 two I tos:

1

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P00R OBE

i O O O -

TABLE 7 ..

RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM

SUMMARY

l PATHWAY- INCESTION COMPILATION - CUARTERLY

SUMMARY

VIRGINIA ELECTRIC & POWER CCMPANY SAMPLE - M ILK CONTROL - NORTH ANNA P0hER STATICN UNITS - PCI/ LITER ANALYSIS' '40 LIMIT OF ALL INDICATOR SAPPLES LOCATION WITH PIGHEST MEAN CONTROL LOCATICN NCN- REPCRTING PERIOD DE TEC TION MEAN X E-00 ME AN X E-00 MEAN X E-00 ROLTINE HEAN X E-00 4ANGE STATICN FRACTICh RANGE RANGE FR AC TION STATIEN CESCRIPTION FRACTION I

't-131 9 0.50 LT 0.50 0 01/16/80-03/17/00 LT 0.40 -LT 0.50 C00/009 ,

SR-89 3 . LT 4.0 0 01/16/80-03/17/E0 LT 3.0 -LT 4.0 C00/003

'5R-90 3 0.80 2.8 3.4 0 01/16/80-03/17/80 2.3 - 3.4 12 001/001 3.4 -

3.4 l u 303/003 HOLLACAY OAIRY-8.3 Pt.310 DEG.

U K-40 9 230. 1240. 1280. 0 01/16/80-03/17/80 1210. -

1280.- 144 003/003 1220. -1380.

009/009 COLVIN DAIRY-8 MI.203 DEG.

t-131 9 0.500 LT 10.0 0 01/16/80-03/17/80 !

LT 10.0 -LT 10.0 CCC/009 C5-137 9 3.00 8.46 8.46 0 01/R6/80-03/17/80 8.46 - 8.46 144 001/003 8.46 -

8.46 001/009 COLVIN DAIRY-8 MI.203 DEG.

i

W TELECNNE ISOTOPES O

CONCLUSIONS (JANUARY 1,1980-MARCll 31, 1980)

The first quarter 1980 su= aries of radionuclides in the environs of the NAPS are presented in the REMP Tables 4 through 7. From these tables are plotted indicator radionuclides in Figures 3 through 6.

The analyses performed during this quarter indicated a tritium activity of 560 pCi/ liter at Station 08, the Discharge Cooling Water . This is the caly activity probably from NAPS operations to be detected by the monitoring program conducted in the environs.

O O

23A

TTELEU/i!E ISOTOPES O

APPENDIX FIRST QUARTER 1980 O

l l

I l

1 O

i A-1

)

T TELEDYNE ISOTOPES TABLE OF CONTENTS

, FIRST QUARTER 1980 PAGE APPENDICES-DATA TABLES AIRBORNE PATHWAY AIR PARTICULATE A- 3 AIR RADI0 IODINE A- 3 PRECIPITATION A-27 SOIL A-28 DIRECT P/.THWAY TLD A-29 WATERBORNE PATHWAY SURFACE WATER A-30 RIVER WATER A-32 GROUND WATER A-33 SEDIMENT / SILT A-34 INCESTION PATHWAY MILK A-37 1

l t

l l

l O

A-2

O O O -

VIRGINIA ELECTRIC & PCwER CCPPANY NORTH ANNA POWER STATICN EXPOSURE PATHWAY - AIRECRhE AIR PARTICULATE E CHARCCAL FILTFR5 STATION NUMBER C1

, ON5tTE-0.2 MI.42 DEC

, COLL. TIME AP FM TEE MIO-CbuNT CHARCOAL FILTER

START STOP GROSS SETA TIME I-131 OATE DATE VOLUME UNITS (PCI/CU. M ) DATE TIME (PCI/CU. M i

, 01/02 01/08 1.28E 02 CU. M - 7.7 +-1.0 E-02 01/18 L.T. 2. E-02

01/0p 01/15 1 35E 02 CU. M 1.7 +-0.6 E-02 01/27 L.T. 2. E-02 01/15 01/22 1.33E 02 CU. M 1.4 +-0.6 E-02 02/03 L.T. 1. E-C2 01/22 01/30 0.41E 02 CU. M (a) NOT C OLLECTED 01/3J 02/05 1.25E C2 CU. M 2. 5 + -0.6 E-02 02/16 L.T. 2. E-02

, 02/05 02/12 1.376 02 CU. M 1.3 +-0.5 E-02 02/23 L.T. 1. E-02 02/12'02/19 1.67E 02 CU. M 2.0 +-0.5 E-02 03/02 L.T. 1. E-02

.02/19 02/26 1.59E 02 CU. M 1.7 +-0.5 E-02 01/09 L.T. 1. E-C2 02/26 03/94 't.37E C2 CU. M 3.0 +-0.6 E-02 03/15 L.T. ?. E-02 U3/34 03/11 1 39E 02 CU. M 1.4 +-0.5 E-02 01/22 L.T. 1. E-02 03/11 03/18 1 33E 02 CU. M 1.8 +-0.5 E-02 03/2R L.T. 2. E-02 03/18 03/25 1.38E 02 CU. M 1.5 +-0.5 E-02 , 04/08 L.T. 2. E-02 03/25 04/01 1.36E 02 CU. M 1. 0 + -0.5 E-02 (b)

?.

6 r

-(a) Equipment Malfunction (b) The charcoals arrived 22 days after the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

I e

e i

VIRGlHlA ELECfRIC C PCWER CCNPA4Y NCRill ANNA power $fAffEh E XPO$tfRE PAf Hb AY

AlptCRhE COMPatt fE AIR PARitCULATE FILinR$

(PCl/CU. P l

$fAtt0N NUPutR (1 Dh511E-3.2 kl.42 DEG DATE COLL ECTED 01/02-04/01 GAMMA SPECTRUM ANALYSIS BE-7 L.T. 2. E-02 K-40 L.T. 3. E-02 Mil- 54 L.T. 1. E-03 C0-58 L.T. 1. E-03 FE-59 L.T. 5. E-33 C0-60 L.T. 1. E-03 2 t4- 6 5 L.f. 3. E-03 2R-95 L.I. 2. E-03 RU-103 L.T. 2. E-03 RO-106 L.T. 1. E-32 1-131 L.T. 4 E-02 C5-134 L.T. 1. E-03 CS-137 L.T. 1. E-03

, BA-140 L.T. 2. E-02 g CE-141 L.T. 3. E-03 CE-14% L.T. 5. E-03 RA-226 L.T. 1. E-02 Tu-228 L.T. 1. E-03 h

O O O -

VIRGINIA ELECTRIC C ocher COMPANY NORTH ANNA PohER STATICN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE C CHARCOAL FILTERS STATION NUPBER C2 FREDERICKS HALL-5.3 MI. 225 DEG.

COLL. TIME AP FILTER MID-COUNT CMARCOAL FILTER START STOP GROSS RETA TIME I-131 DATE DATE VOLUME- . UNITS IPCI/CU. M 1 OATE TIME IPCI/CU. M )

01/02 01/08' 1.29E 02 CU. M 1.n +-0.7 E-02 01/18 L.T. 1. E-02 01/08 01/15 1.33E 02 CU. M 4.7 +-0.T E-02 01/27 L.T. 2. E-02 01/15 01/22 1.38C 02 CU. M 2.8 +-0.6 E-02 02/03 L.T. 1. E-02 01/22 01/30 1.62E 02 CU. M 3.0 +-0.6 E-02 02/11 L.T. 5. E-02 01/3J 02/05 1.2SE C2 CO. . M 3. 3 + -0. 7 E-02 02/16 L.T. 1. E-02 02/05 02/12 1 3RE 02 CU. M 1.8 +-0.6 E-02 02/23 L.T. 1. E-02 02/12 02/19 1.38E 02 CU. M 4.4 +-0.7 E-02 03/02 L.T. 2. E*02 ,

02/19 02/26- 1.35E 02 CU. M. 1.9 +-0.6 E-02 03/09 L.T. 1. E-02 02/26 03/04 1.3BE 02 CU. M 2. 7 + -0. 6 E-02 03/15 L.T. 2. E-02 03/04 03/11 1.40E 02 CU. M 2.1 +-0.6 E-02 03/22 L.T. 2. E-02 03/11 03/18' 1.36E 02 CU. M 1.4 +-0.5 E-02 03/28 L.T. 2. E-02

> 03/18 03/25 1 40E 02 CU. M 1.9 +-0.6 E-02 04/G9 'L.T. 2. E-02 a 03/25 04/01 1.38E 02 CU. M 1.1 +-0.5 E-02 (a) 4 (a) The charcoals arrived 22 days after the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

VIRnlNIA ELECTRIC t PChER CCHPANY NORTH ANNA PuhEM StAttth EXPn10RE PATHWAY = AIRPCRht COMPostfE AIR PARittutAtE Filter $

IPCl/CO. > l StAtl0N NUNGER 12 FREnERICKS tlALL-5.1 Pl. 225 DEG.

D AT E COLL ECtED 01/02-04/01 -

GAMMA SPECTRUM ANALYSl5 DE-7 3.00+-0.90E-02 K-40 L.T. 3. E-02 Mrl- 54 L.T. 1. E-03 CO-58 L.T. 1. E-03 FE-59 L.T. 4. E-03 CO-60 L.T. 1. E-03 Ita- 6 5 L.T. 2. E-03 2R-95 L.T. 2. E-03 80-103 L.T. 2. E-03 RU-106 L.T. 9. E-03 I-131 L.T. 3. E-02 CS-134 L.T. 1. E-03

? CS-137 L.T. 9. E-04

BA-143 L.T. 2. E-02 CE-141 L.T. 2. E-03 CE-144 L.T. 5. E-01 RA-226 L.T. 1. E-02 TH-228 L.T. 1. E-03 De O O O -

- _ _ _ . - . _ _ _ _ - _ - _ _ . . _ - - - _ - _ - - _ _ _ _ _ _ _ _ . = _ _ _ _ _ _ - - _ - _ - _ _ _ _ ,_ . _ _ - - - _ _ _ _ _ _ _ _ _ . - _ _ .

,q (3 r .

k) U **

VIRGIN!A ELECTRIC 8 POWER CCMPANY NORTH ANNA POWER $TAftth E XPOSURE . PA!Hk AY

AIRECR AE AIR PARTICULATE C CHARCOAL FILTERS STAil0N NUMBER 03 MINERAL-7 1 Mt.243 DEG.

COLL. TIME AP FILTER MID-CDUNT CHARCOAL FILTER START. STOP GROSS BETA TIME I-131 DA1E DATE VOLUME UNITS (PCI/CU. M1 DATE TIME (PCI/CU. M i 01/02 01/08 1 19E 02 CU. M 2.5 +1.8 0 E-02 01/18 L.T. 2. E-02 09 08 01/15 1.32E 02 CU. M F.0 +-0.9 E-02 01/27 L.T. 1. E-C2 01/15 01/22 1.36E 02 CU. M 2.9 +-0.6 E-02 02/03 L.T. 1. E-02 01/22 01/30 -1.59E 02 C t', M 4.3 +-0.7 E-02 02/11 L.T. 8. E-C2 01/30 02/05 1.27E 02 C'f. M 3.5 +-0.7 E-02 02/16 L.T. 1. E-02 ,

02/05 02/12 1.38E 02. '. d. M 2.9 +-0.6 E-02 02/23 L.T. 1. E-02 02/12 02/19 1.24E 02 CU. M 5.3 +-0.7 E-02 03/02 L.T. 1. E-02 02/19 02/26, 1.33E 0* CU. M 3.5 +-0.7 E-02~ 01/09 L.T. 1. E-02 02/26 03/04 1.34E 02 CU. M 4.1 +-0.7 E 03/15 L.T. 1. E-02 03/64 03/11 1 39E 02 CU. M 3.0 +-0.6 E-02 03/22 L.T. 1. E-02 Y

03/11 03/18 (a) NOT C OLLECTED 03/18 03/25 1.30E 02 CU. M 2.8 +-0.6 C-02 04/07 L.T. 1. E-02 03/25 04/01 1.28E 02 CU. M 1.9 +-0.6 E-02 (b)

(a) Equipment Malfunction (b) The charcoats. arrived 22 days af ter the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

VIRGINTA ELECTRIC C POWER COPPANY NO R Til 1NNA POWER STATICh EXPOSURE PATHWAY - AIRECRAE COMPOSI TE AIR PARTICULATE FILTERS IFCl/CU. P 1 5TATION NUMQER 03 HINERAL-7.1 Pl.243 CEG.

DAT E COLL ECTED 01/02-04/01 CAMMA SPECTRUM ANALY$l$

DE-7 6.30+-1.32E-02 K-40 L.T. 3. E-02 MN-54 L.T. 1. E-03 CO-58 L.T. 1. E-03 ,

FE-59 L.T. 4. E-03 C0-60 L.T. 1. E-03 IN-65 L.T. 2. E-03 1R-95 L.T. 1. E-0)

RU-103 L.T. 2. E-33 RU-106 L.T. 9. E-03 I-131 L.T. 5. 5-02

> CS-134 L.T. 1. E-03 k CS-137 L.T. 1. E-03 84-143 L.T. 1. E-02 CE-141 L.T. 3. E-03 CE-144 L.T. 6. E-03 RA-226 L.T. 1. E-02 TH-228 L.T. 1. E-03 e

e O O -

G

.o p) m G

V VIRGINIA ELECTRIC C POWER CCMPANY NORTH ANNA POWER STATICN EXPOSURE PATHkAY - AIReCRAE AIR PARTICULATE C CHARCCAL FILTERS STATION tlOMBER C4 W ARE S CR055 ROADS-5.1 Pl.287 DEG.

COLL. TIME .AP FILTER MID-COUNT CHARCDAL FILTER START STOP GROSS BETA TIME I-131 DATE DATE VOLUME UNITS IPCI/CU. M l DATE TIME IPCI/CU. M i 01/02 01'/08 1.26E 02 CU. M 1.2 +-0.7 E-02 01/18 L.T. 1. E-02 01/08 01/15- 1.32E 02 CU. M 4.3 +-0.7 E-02 01/27 L.T. 1. E-02 01/15 01/22' 1 36E 02 CU. M 2.5 t-0.6 E-02 02/03 L.T, 1. E-02 01/22 01/30 1.60E 02 CU. M 3.5 +-J.6 E-02 02/10 L.T. 7. E-03 01/33 02/05 1.29E 02 CU. M 3.0 +-0.7 E-02 02/15 L.T. 9. E-02 02/05 02/12 1.38E 02 CH. M 2.7 +-0.6 E-32 02/23 L.T. 1. E-02 C2/12 02/19 1 38E 02 CU. M 2.9 +-0.6 E-32 03/02 L.T. 1. E-02 02/19 02/26 5.62E 01 CU. M 5 7 +-1.5 E-02 03/10 L.T. 2. E-02 02/26 03/04 (a) NOT C OLLECTED 03/04 03/11 (b) CU. M NOT C OLLECTED

> 03/11 03/1S 1.31E 02 CU. M 2. 5 + -0..; E-32 03/28 L.T. 2. E-02 6 03/16 03/25 1.31E 02 CU. M 1.4 +-0.3 E-02 04/07 L.T. 2. E-02 03/25 04/01 1.32E C2 CU. M L.T.- 7. E-03 Oc )

4 i

i (a) Equ!pment Malfunction (h) Equipment Malfunction (c) The charcoals arrived 22 days after the end of the collection period. Because of cimost three half-lives delay the i charcoals were not analyzed.

VIRGINIA ELECTRIC E PChER CCPPANY NORIH ANNA POWER STATIEN EXPOSURE PATHWAY - AIRPERNE COMPu$l tE AlR P ARi tCUL AT E F ILf ERS (PCl/CU. P 1 StAtlCN NOHilER .) 4 WARES CR055MDADS-5 1 Pl.2Rf DEO.

04tE tulLtttto 01/02-04/01 CANNA SPEtfRUM ANALYlli HP- f 6.016-1 64t-02 X-40 Let. 4. E-02 MN-94 L f. 1. E-01 CD-96 L.f. 2. E-^*

FE-59 L.f. 5. F -01 C D - 6.) 1.f. 2. E-03 IN-65 L.T. 4. E-0) 2R-95 L.f. 2. E-01 40-101 L.T. 3. E-01 Ru-106 L.T. '

.. E-02 1-131 L.T. 6. E-02 C$-134 L.'. 1. E-0)

> CS-137 L . T. 1. E-0) 1 BA-14J L.T. 2. E-02 CE-141 L.T. 4 C 0)

CE-144 L.T. 7. J-0)

HA-226 L.T. 2. E-02 T it- 22 0 L.T. 2. E-01 O O O -

~

f .*

VIRGINIA ELECTRIC C PCWER CCMPANY NORTH ANNA P0hER STATIEN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE & CHARCCAL FtLTERS STATION NUMRER C5 GOOD HOPE CHURCH-4.2 Pl.20 C iG.

COLL. TIME' Ar FILTER MID-COUNT CHARCOAL FILTER START STOP _ GROSS DETA TIME I-131

- ~c

. DATE .v0LUPE UNITS IPCI/CU. M i DATE TIME I P014. 'J. M I 01/02 01/08 1 27E C2 CU. M 3.0 +-0.8 E-02 01/18 L.T. E-02 01/08 01/15 1.35E 02 CU. M- 4.9 +-0.7 E-02 01/27 L.T. L. E-02 01/15 01/22 1.39E 02 CU. M 2.6 +-0.6 E-02 02/03 L.T. 1. E-02 01/22 01/30 1.63E 02 CU. M 3.3 +-3.6 E-02 02/10 L.T. 8. E-03 .

01/30 02/05- 1.27E 02 CU. H 3.3 +-0 7 E-32 02/16 L.T. 1. E-02 02/05 02/12 1 39E 02 CU. M 3.9 +-0.7 E-02 02/23 L.T. 1. E-02 02/12 02/19 1.39E 02 CU. M 4.5 +-0.7 E-02 03/02 L.T. 1. E-02 02/19 02/26 1.36E 02 C tl . M 2.2 +-0.6 E-02 03/09 L.T. 1. E-C2 02/26 03/04 1.39E 02 CU. H 3.5 +-3 6 E-02 03/15 L.T. 1. E-02 03/04 01/11 1.41E 02 CU. M 3.1 +-0.6 E-02 03/23 L.T. 1. E-02

> 01/11 03/18 1. 35E 02 CU. H 3.5 +-0.6 E-02 03/28 L.T. 1. E-02

'a 03/18 03/25 1.41E 02 CU. M 2.2 +-0.6 E-02 04/0T L.T. 2. E-02

- 03/25 04/01 1.38E 02 CU. M 1.3 +-0 5 E-02 (a)

(a) The charcoals arrived 22 days after the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

VIRGINIA ELECTRIC E POWER CCMPANY NORTH ANNA PCWER STATICA EXPOSURE PATHWAY - AIRECRNE COMPOSITE AIR PART ICUL ATE F ILTERS IPC1/CU. F l STATION t1 UMBER 05 6CCS HOPE CHURCH-4.2 M t.20 CEG.

DATE COLL ECTED 01/02-04/01 GAPMA SPECTRUM ANALYSIS BE-7 7.68+-1.38E-02 K-40 L.T. 3. E-02 NN-54 L.T. 1. E-03 CO-58 L.T. 1. E-03 FE-59 L.T. 3. E-03 CD-60 L.T. 1. E-03 ZN-65 L.T. 2. E-U3 ER-95 L.T. 2. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 1-131 L.T. 5. E-02 CS-134 L.T. 1. E-03

.? CS-137 L.T. 1. E-03

04-140 L.T. 1. E-02 CE-141 L.T. 2. E-03 CE-144 L.T. 5. E-03 RA-226 L.T. 1. E-02 TH-228 L.T. 1. E-03 O O O -

o o o .-

VIRGINI A ELECTRIC E POWER CCPPANY NORTH ANNA PukER STATIEN E XPOSURE P ATHW AY - AIRL*0RhE AIR. PARTICULATE C CHARCCAL FILTERS STATION NUMBER C4A

. ' STURGEON *$ CREEK-3.2 NI. 11 CEG.

COLL. TIME AP FILTER M I D-COUN T CHARCOAL FILTER START STOP AR055 BETA TIME I-131 DATE DATE VOLUPE UNITS -(PCl/CU. M l DATE TIME (Pil/CU. Mi 01/02 01/08 1.27E 02 CU. M 1.6 +-0.7 E-02 01/18 L.T. 2. E-02 01/08 01/15 1 30E 02 CU. M 4.6 +-0 8 E-02 01/27 L.T. 1. E-02 01/15 01/22 1.34E 02 CU. M 1 6 +-0.6 E-02 02/04 L.T. 2. E-02 01/22 01/30 1.58E 02 CU. M 2. 7 +-0.6 E-02 02/11 L.T. 1. E-02 01/31 02/05 1 27E 02 CU. M- 2. 4 + -0. 6 E-02 02/16 L.T. 1. E-02 02/05 02/12 1.35E 02 C U. M 2 3 +-0 6 E-02 02/25 L.T. 1. E-01 02/12 02/19 1.35E 02 C U. M 3.7.+-0.6 E-02 05/02 L.T. 1. E-02 02/19 02/26 1.31E 02 CU. M 2.3 +-0.6 E-02 03/09 L.T. 1. E-02 02/26 03/34 1.35E 02 CU. M 2.9 +-0.6 E-02 03/15 L.T. 2. E-02 03/04 03/11 1 37E 02 CU. M 3.0 +-0.6 E-02 03/23 L.T. 1. E-02 03/11 03/18 1.30E 02 CU. M 2.5 +-0.6 6-02 03/28 L.T. 1. E-02 03/1a 03/25 1.36E 02 CU. M 1.7 +-0.6 E-02 04/08 L.T. 2. E-02 03/25 04/01 1.34E 02 CU. M 8.8 + -5. 0 E-03 (a)

?

O t

4 (a) The charcoals arrived 22 days af ter the end of the collection perlod. Because of almost three half-lives delay the charcoals were not analyzed.

VIRGINT A ELECTRIC C POWER CCMPANY NORTH ANNA POWER STATIEN EXPOSURE PATHW AY - AIRECRNE COMP 051TE AIR PARTICULATE FILTERS (PCI/CU. P 1 STATICN NUMBER CSA STORGEON'S CREFK-3.2 Pl. 11 DEG.

DAT E COLL ECTED 01/02-04/01 GAf94 SPECTRUM ANALY SIS BE-7 8.51+-2.04E-02 K-40 L.T. 4. E-02 MN-54 L.T. 1. E-03 -

C0-58 L.T. 2. E-03 ,

FE-SA L.T. 6. E-03 CD-63 L.T. 2. E-03 ZN-65 L.T. 4. E-03 ZR-95 L.T. 2. E-03 RU-123 L.T. 3. E-03 RU-106 L.T. 2. E-0?

t-131 L.T. 9. E-02 C5-134 L.T. 2. E-03 C5-137 L.T. 1. E-03 BA-140 L.T. 2. E-02 CE-141 L.T. 6. E-03 CE-144 L.T. 1. E-02 RA-226 L.T. 2. E-02

? TH-228 L.T. 2. E-03 I

O O O -

VIRGINIA ELECTRIC C POWER COMPANY NORTH ANNA POWER STATICN E MPOSURE PATHWAY - AIRECRhE i AI R PARTICUL ATE C .CHARCO AL FILT ERS 1

ST ATIf.N HUMBER C6 LEVY-4.7 MI.115 DEG.

COLL. TIME AP FILTER M I D-CO UN T CHARCDAL FILTER START STOP GROSS BETA . TIME I-131 i

DATE DATE VOLUME UNIT: IPCI/CU. M I OATE TIME IPCI/CU. M I 01/02 01/06 1.27E 02 CU. M 1.5,*au.' E-02 01/18 L.T. 2. E-02 01/08 01/15 1.40E 02 CU. M 4.4 +-0.7 E-02 01/27 L.T. 2. E-02 01/15 01/22 -1.45E 02 CU. M 2.2 +-0.6 E-02 02/03 L.T. 2. E-02 01/22 01/30 1.72E 02 CU. M 2. 8 + -0.6 ' E- ?2 02/11 L.T. 1. E-02 01/33 02/05 1.26E C2 CU. M 3. 5 + -0. 7 E-o ' 02/15 L.T. 9. E-02 02/05 02/12 1.47E 02 CU. M 3.2 +-0.6 E-02 02/25 L.T. 1. E-01 02/12 02/19 1.47E 02 CU. M 4.2 +-0.6 E-02. 03/02 L.T. 8. E-03 02/19 C2/26 1.41E 02 'C U. M 2. 7 + -0. 6 E-02 03/09 L.T. 1. E-02 02/26 03/04 (a) NOT C DLLECTED 03/04 03/11 (b) CU. M , NOT C OLLECTED 03/11 03/18 1.44E 02 CU. M 9+6 +-4.5 E-03 03/28 L.T. 1. E-02 03/18 03/25 1.52E 02 'CU. M 1.7 +-0.5 E-02 04/08 L.T. 2. E-02 03/25 04/01 1.49E 02 CU. M ,7.2 +-4.4 E-03 (c) l G 4

(a) Equipment Malfunction (b) Equipment Malfunction (c) The charcoals arrived 22 days after the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

s VIRGINTA ELECTRIC C POWER COMPANY NORTH ANNA POWER STATICN EXPOSURE PATHWAY - AIRECRNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU. F l STATION NUPDER C6 LEVY-4.7 MI.115 DEG.

DATE COLL ECTED 01/02-04/01 GAMMA SPECTRUM ANALYSIS BE-7 4.97+-1.15E-02 K-to L.T. 2. E-02 Mti- 54 L.T. 9. E-04 CO-58 L.T. 1. E-03 FE-59 L.T. 3. E-03 CO-60 L.T. 2. E-03 ZN-65 L.T. 2. E-On ZR-95 L.T. 1. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 8. E-03 I-131 L.T. 4. E-02 CS-134 L.T. 9. E-04 CS-137 L.T. 1. E-03 BA-140 L.T. 2. E-02

> CE-141 L.T. 2. E-03 L CE-144 L.T. 4. E-03 RA-226 L.T. 1. E-02 TH-228 L.T. 1. E-03 O O O -

O O O -

VIRGINI A ELECTRIC C POWER CCMPANY NDRTH ANNA POWER ST AT ICN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE C CHARCCAL FILTERS STATION NUMBER 07 BUMPA$$-7.3 MI.167 OEG.

COLL. TIME AP FILTER M I D-C OUN T. CHARCOAL FILTER START STOP GROSS BETA TIME I-131 DATE DATE VOLUME UNITS (PCI/CU. M i 0 ATE TIME (PC1/CU. M I 01/02 01/08' 1.28E 02 CU. M 2.9 +-0.8 E-02 01/18 L.T. 2. E-02 .

01/02 01/08 1 28E 02 CU. M 2 9 +-0.8 E-02 01/18 L.T. 2. E-G2 '

01/08 01/15 1.32E 02 CU. M 5.3.+-0.8 E-02 01/27 L.T. 1. E-02 01/15 01/22 1.36E 02 CU. M 2.5 +-0.6 E-02 02/03 L.T. 1. E-02 01/22 01/30 1 60E 02 CU. M 3.7 +-0.6 E-02 02/11 L.T. 2. E-02 01/30 02/05 1 27E 02 CU. M 3.0 +-0.7 E-02 02/15 L.T. 5. E-02 02/05 02/12 1.74E 02 CU. M 1.9 +-0.5 E-02 02/23 L.T. 1. E-02 02/12 02/19 1 37E 02 CU. H .4.1 +-0.7 E-02 C3/02 L.T. 1. E-02 02/19 02/26 1.33E 02 CU. M 2.4 +-0.6 E-02 03/09 L.T. 1. E-02 L2/26 03/04 1.38E 02 CU. M 3.0 +-0.6 E-02 03/15 L.T. 2. E-02 03/04 03/11 1.38E 02 CU. M 2.6 +-0.6 E-02 03/23 L.T. 1. E-02 G3/11 03/18 1.34E 02 CU. M 2.2 +-0.6 E-02 03/28 L.T. 1. E-02 03/18 03/25- 1.39E 02 C U. M 1 6 +-0.5 E-02 04/09 L.T. 2. E-02 03/25 04/01 1.40E 02 CU. M 8.2 +-4.8 E-03 (a)

T U

(a) The cht rcoals ' arrived 22 days after the end of the collection period. Because of almost three half-lives delay the >

charcoals were not anstyzed.

VIRGINIA ELECTRIC C PCWER COMPANY NORTH ANNA POWER STATICN EXPOSURE PATHWAY - AIRECRNE COMPOSITE AIR PART ICUL AT E F ILT ERS IPCI/CU. M i STATION NUM8ER CT ?c BUMPASS-7.3 MI.167 OEG. .

DATE COLL ECTED 01/02-04/01 GAMM A SPECTRUM ANALYSIS BE-7 4.64+-0.87E-0?

K-40 L.T. 1. E-02 MN-54 L.T. 6. E-04 C0-58 L.T. 9. E-04 FE-59 L.T. 3. E-03 C0-60 L.T. 8. E-04 ZN-65 L.T. 2. E-03 2R-95 L.T. 1. E-03 RU-103 L.T. 1. E-0)

RU-106 L.T. 6. E-03 1-131 L.T. 3. E-02 CS-134 L.T. 8. E-04 05-137 L.T. 8. E-04 BA-14) L.T. 1. E-02 7 CE-141 L.T. 1. E-03 g CE-144 L.T. 3. E-03 RA-226 L.T. 6. E-03 TH-228 L.T. 7. E-04 O O O -

) ..

VIRGINIA ELECTRIC C POWER COMPANY NORTH ANNA POWER STATICN ExFOSURE PATHW AY - AIRECRhE AIR PARTICULATE C CitARCCAL FILTFRS STATION NUMBER 21 ROUTE 685-1.0 MI.301 DEG.

C0tt. TIME AP FILTER MID-COUNT ' CHARCOAL FILTER START STOP GROSS DETA TIME I-131 DATE DATE VOLUME UNITS IPCI/CU. M i .DATE TIME (PCI/CU. M i 01/02 01/08 1 30E 02 CU. M 3.9 +-0 8 E-02 01/18 L.T. 1. E-C2 01/08 01/15 1.32E 02 CU. M 4.8 +-0.8 E-02 01/27 L.T. 1. E-02 01/15 01/22 1.35E 02 CU. M 2.6 +-0.6 E-02 02/04 L.T. 2. E-C2 01/22 J1/30 1.59E 02 CU. M 2.9 +-0.6 E-02 02/11 L.T. 1. E-02 01/30 02/05 a.28E C2 CU. M 2.T +-0.6 E-02 02/16 L.T. 1. E-02 02/05 02/12 1.3TE 02 CU. H 4.4 +-0.7 -02 02/23 L.T. 9. E-C3 02/12 02/19 1.36E 02 CU. M 4.5 +-0.T 02 03/02 L.T. 1. E-02 02/19 02/26 1.33E C2 CU. M 2. 9 + -0.6 t-02 03/C9 L.T. 9. E-02 02/26 03/04' 1.35E 02 CU. M 3.3 +-0.6 E-02 03/15 L.T. 1. E-02 03/04 03/11 1.38E 02 CU. M 3.0 +-0.6 E-02 03/23 L.T. 2. E-02 03/11 03/18 1.30E C2 CU. M 3.0 +-0.6 E-02 03/28 L.T. 2. E-02 03/18 03/25 .39E 02 CU. M 3.0 +-0.6 E-02 04/C9 L.T. 2. E-02

[ 03/25 04/01- 1.34E 02 CU. M 1.6 +-0.6 E-02 (a)

(a) The charcoals arrived 22 days after the end of the collection period. Because'of almost three half-lives delay the charcoals were not analyzed.

VIRGINIA ELECTRIC C POWER COMPANY NORTH ANNA PChER STATICh EXPOSURE PATHWAY - AIRECRNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU. P l STATION NUMBER 21 ROUTE 685-1.0 MI.301 CEG.

DAT E COLL ECTED 01/02-04/01 CAWMA SPECTRUM ANALYSIS BE-T 4.95+-1.10E-02 K-40 L.T. 3. E-02 MN-54 L.T. 9. E-04 CO-58 L.T. 1. E-03 FE-59 L.T. 4. E-03 Co-60 L.T. 1. E-03 JN-65 L.T. 2. E-03 2R-95 L.T. 1. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 8. E-03 1-131 L.T. 4. E-02 CS-134 L.T. 9. E-04 CS-137 L.T. 8. E-04

> BA-143 L.T. 1. E-02 s, CE-141 L.T. 2. E-03 o CE-144 L.T. 4 E-03 R A-226 L.T. 8. E-03 TH-228 L.T. 8. E-04

$ 0 0 0 0 -

O O O -

VIRGINIA ELECTRIC C PCWER COPPANY NORTH ANNA P0hER STATIEN EXPO 5URE PATHWAY - AIRECRNE AIR PARTICULATE E CHARECAL FILTERS s

STATION NUPOER 22 ROUTE 700-1.0 MI.242 DEG.

COLL.' TIME AP FILTER M I D-CO UN T CHARCOAL FILTER START STOP . GROSS BETA TIME 1-131

, DATE DATE .v0LUPE UNITS f9CI/CU. M i DATE TIME IPCI/CU. M i 01/02 01/06 1.27E 02 CU. M 4 1 +-0.8 E-02 01/18 L.T. 1. E-02 01/08 01/15 1 83E 02 CU. M 3.8 +-0.6 E-02 01/27 L.T. 1. E-02 01/15 01/22 1.59E 02 CU. M 2.5 +-0.5 E-02 02/04 L.T. 1. E-02 C1/22 01/30 1.59E 02 CU. M 3.8 +-0.7 E-02 02/11 L.T. 8. E-02 01/30 02/05 1 27E C2 CU. M 3.4 +-0.7 E-02 02/19 L.T. 1. E-02 02/05 02/12 1 3BE 02 CU. M 1.9 +-0.6 E-02 02/23 L.T. 1. E-02 02/12 02/19 1.36E 02 CU. M 3.8 +-0.6 E-02 C3/02 L.T. 1. E-C2 02/19 02/26 1.33E 02 - CU. M 2.8 +-0.6 E-02 03/09 L.T. 1. E-02 02/26 03/04 1.35E 02 CU. M .3.6 +-0.6 E-02 03/17 L.T. 2. E-02 03/04 03/11 1.38E 02 CU. M 2.8 +-0.6 E-02 03/23 L.T. 2. E-02 03/11 03/18 1.32E 02 CU. M 3.2.+-0.6 E-02 03/28 L.T. 2. E-02 03/18 03/25 1.39E 02 CU. M. 2.2 +-0.6 E-02 C4/0T 'L.T. 2. E-02 03/25 04/J1 1.40E 02 CU. M 1 3 +-0.5 E-02 (a)

Y U

(a) The charcoals arrived 22 days after the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

VIRGINIA ELECTRIC E P0hER COPPANY NORTH ANNA PCWER STATICN ExP050R8 PATHWAY - AIPECRNE CONPOSIld AIR PART ICUL ATE F ILIERS (PCl/CU. P I STATION f40MBER 22 ROUTE 700-1.0 MI.242 OEG.

DATE COLL ECTED 01/02-04/01 GAMMA SPECTRUM ANALYSIS -

BE-7 6.05+-1.21E-02 K-40 L.T. 3. E-02 NN-54 L.T. 9. E-04 CD-58 L.T. 1. E-03 FE-59 L.T. 3. E-03 C0-60 L.T. 1. E-03 FN-65 L.T. 2. E-J3 ZR-95 L.T. 1. E-03 RU-103 L.T. 2. E-03 R U- 106 L.T. 9. E-03 1-131 L.T. 5. E-02 C5-134 L.T. 9. E-04 C5-13T L.T. 1. E-03 BA-14] L.T. 1. E-o?

CE-141 L.T. 3. E-33 CE-144 L.T. 5. E-03 RA-226 L.T. 1. E-02

[ TH-228 L.T. 1. E-03 N

q e

O O O -

6 O O -

VIRGINI A ELECTP TC E'PCWER COPP ANY

' NORTH ANNA P0hCR STATICN EXPOSURE PATHWAY - A!RECRAE AIR. PARTICULATE C CHARCCAL FILTFRS

, STATION NUMBER 23 ASPEN HILLS-0.9 MI.158 CEG.

COLL. TIME AP FILTER M I D-COUN T CHARCDAL FILTER START STOP' GROSS BETA TIME I-131 DATE DATE VOLUME UNITS (PCI/CU. M l DATE TIME (PCI/CU. M i 01/02 01/08 1.27E 02 CU. M 4.4 +-0.9 E-02 01/18 L.T. 1. E-02 01/08 01/15- 1.33E 02 CU. M- 2.3 +-0.6 E-02 01/27 L.T. 1. E-02

. 01/15 01/22 1.38E 02 CU. M 2.8 +-0.6 E-02 02/04 L.T. 2. E-02 01/22 01/30 1 61E 02 CU. H 3.4 +-0.6 E-02 02/11 L.T. 1. E-02 01/30 02/05 1.27E C2 CU. M 3. 3 + -0. 7 E-02 02/16 L.T. 1. E-02 ,

02/05 02/12 1. 38 E 0 2 - C U. H 2.4 +-0.6 E-02 .C2/23 L.T. 1. E-02 02/12 02/19 1.39E 02 C U. M 5.6 +-0.7 E-02 03/02 L.T. 2. E-C2 02/19 02/26. 1.34E 02 CU. M 3.5 +-0.7 E-02 03/09 L.T. 8. E-02 02/26 03/04 1.38E 02 CU. M 4.1 +-0.7 E-02 01/17 L.T. 2. E-02 03/04 03/11 1.40E 02 CU. M 3.2 +-0.6 E-02 03/23 L.T. 2. E-02 03/11 03/18 1.35E 02 CU. M 2.8 +-0.6 E-02 03/28 L.T. 2. E-02 03/18 03/25 1.39E 02 CU. M 2.5 +-0.6 E-02 04/08 L.T. 2. E-02 03/25 04/01 1.37E 02 CU. M 1.3.+-0.5 E-32 (a)

Y L

(a) The charcoals arrived 22 days after the end of the collection period. Because of almost three half-lives delay the charcoals were not analyzed.

A 9

VIRGINI A ELECTRIC & PCWER CCMPANY NORTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRECRNE COMPOSITE AIR P ART ICUL AT E F ILTERS (PCI/CU. P l STATICN NUMBER 23 ASPE N HILLS-0.9 MI.158 CEG.

DATE COLL ECTED 01/02-04/01 GAPMA SPECTRUM ANALYSIS DE-7 8.59+-1.55E-02 K-40 L.T. 3. E-02 MN-54 L.T. 1. E-03 00-58 L.T. 1.- E-03 FE-59 L.T. 4. E-03 CO-60 L.T. 1. E-03 ZN-65 L.T. 3. E-03 2R-95 L.T. 1. E-03

'RU-103 L.T. 2. E-Os RU-106 L.T. 9. E-03 I-131 L.T. 6. E-02 C5-134 L.T. 1. E-03 C5-137 L.T. 1. E-03 BA-14) L.T. 1. E-03 CE-141 L.T. 3. E-03 CE-144 L.T. 6. E-03

>- RA-226 L.T. 1. E-02 y TH-228 L. T. 1. E-03 l

l l O O -

O -

l _- __---

i o .o o ..

VIRGINIA ELECTRIC C PCWER COMPANY NORTH ANNA POWER STATIEN EXPOSURE PATHWAY - AIPECRNE AIR PARTICULATE C CHARCCAL FILTERS STATICN NUMBER 24 ORANGE-22.0 NI.325 DEC.tCCNTROL)

COLL. TIME AP FILTER MIO-COUNT CHARCDAL FILTER START STOP GROSS HETA T IM E I-131 OATE.. DATE v0LUME O'4I T S (PCl/CU. M I DATE TIME (PCI/CU. M i

01/02 01/08 1 12E 02 CU. M 4.7 +-1.0 E-02 01/18 L.T. 1. E-02 01/08 01/15 .1.31E 02 CU. M 2.6 +-d.6 E-02 01/28 L.T. 1. E-02 01/15 01/22 1.31E 02 CU. M 1.0 +-0.5 E-02 02/04 L.T. 2. E-02 01'22 01/30 C U. M. (a) . NOT C OLLECTED 01/30 02/05 9.23C 01 -CU. M 3. 5 + -3. 9 E-02 02/16 L.T. 2. E-02 02/05 02/12 1.32E 02 CU. M 2.5 +-0.6 E-02 03/03 L.I. 1. E-01 02/12 02/19 ' .32E 02 CU. M 4.7 +-0.7 E-02 03/02 L.T. 9. E-03 02/19 02/26 1.27E 02 CU. M 2.4 +-0.6 E-02 03/09 L.T. 1. E-02 02/26 03/04 1.32E-02 CU..M 3.2 +-0.6 E-02 03/17 L.T. 2. E-02 03/04 03/11 1.31E 02 CU. M~ 2.1 +-0.6 E-02 01/23 L.T. 2. E-02 03/11 03/18 1 32E 02 CU. M 2.1 +-0.6 E-02 03/28 L.T. 2. E-C2 03/18 03/25 1.32E 02 CU. M 2.8 +-0.6 E-02 C4/08 L.T. 1. E-02 03/25 04/01 1.40E 02 CU. M .1.1 +-0.5 E-02 (b)

Y Z

(a) Equipment Malfunction. .

(b) The charcoals arrived 22 days af ter the end of the collection period. Because of almost three half-lives delay .the charcoals were not analyzed.

VIRGINI A ELECTRIC C POWER COMPANY NORTH ANNA PCWER STATICA EXPOSURE PATHWAY - AIRECRNE COMPOSITE AIR P ART ICUL AT E F ILT ERS IPCI/CU. M i STATION NUMBER 24 ORANGE-22.0 MI.325 DEG.(CCNTROL)

DATE COLL ECTED 01/02-04/01 .

GAMM A SPECTRUM ANALYSTS BE-7 7.83+-1.57E-02 K-40 L.T. 4. E-02 MN-54 L.T. 1. E-03 CD-58 L.T. 2. E-03 ,

FE-59 L.T. 4. E-03 -

C0-60 L.T. 1. E-03 ZN-65 L.T. 2. E-03 2R-95 L.T. 2. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 I-131 L.T. 6. E-02 CS-134 L.T. 1. E-03 CS-137 2.C6+-1.03E-03 BA-143 L.T. 2. E-02

> CE-141 L.T. 3. E-03 L

CE-144 L.T. 6. E-03 RA-226 L.T. 1. E-02 TH-228 L.T. 2. E-03 .

8 O O O -

. ......_.._ . _. .,.__. , - . . - ~ -. - - _ _ _ _ . . - - - . . . ... . . _ . . __ , . , _ _ _ _ .. - _. -

o o o ..

1 2 ..

l 6 2 . VIRGINIA ELECTRIC C. POWER CCMPANY.

, NORTH ANNA #CWER STATICh.

EXPOSURE PAIHWAY ~AIRECRNE' L i

= WATER:- PRECIPITATION _

I , 'tPCI/ LITER I i STATION NUMBER C1 4 DNSITE-0.2,HI.42 DEC t

4 j ' DAT E COLL ECTED 01/01-01/31 02/01-02/29- 03/01-03/31 1

RACIOCHEMICAL ANALYSIS

! ' GR-81 .1 1 +-0.7 E 00 1.9 +-0.2 E 01 2 6 +-0.9 E 00 4' l rainfall 2.83- 0.41 3.27 I

l inches I deposition. 7.9 +-5.0 E-02 2.0 +-0.2 E-01 2.3.+-0.7 E-01 j nC1/sq.m

' i 4

I 6

e

O

, r l

l' I

i

VIRGINIA ELECTRIC C PCWER CCNPANY NORTH ANNA POWER STATICN EXPO 5URE PATHWAY - AIRECRNE 5CIL (PCI/GM ORY l STATION NUMBER C9 LAKE ANNA. UPS-2.2 FI. 320 CEG. (CONTROLI DATE COLL ECTED 03/19 GAMMA SP E C TR UM ANALYSIS ,

DE-7 L.T. 5. E-01 '

K-40 '7.64+-1.02E 00 MN-54 L.T. 6. E-02 CO-58 L.T. 6. E-02 FE-59 L.T. 1. E-01 CO-60 L.T. 6. E-02 IN-65 L.I. 1. E-Ut IR-95 L.T. 7. E-02 RU-103 L.T. 6. E-02 RU-106 L.T. 5. E-01 1-131 L.f. 1. E-01 C5-134 L.T. 6. E-02 C5-137 2.24+-0.41E-01 HA-140 L.T. 2. E-01 CE-141 L.T. 9. E-02 CE-144 L.T. 3. E-01 Y RA-226 L.T. 8. E-JL M TH-228 4.21+-0.44E-01 O O -O -

p 6 o ..

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY-AMBIENT GAMMA RADIATION 4 TLD (ar/ QUARTER)

. SAMPLE STATION 1st QUARTER 2nd QUARTER 3rd QUARTER 4th QUARTER LOCATION AND ufRECTION

NUCLIDE NUMBER 12/26/79-03/25/80 TLD . 01 19.4tl.2

ON SITE-0.2 mi 42 deg.

33,,,,, 02 . 13.. 0.2 mmimS ImtL-s.3 mi.2a de,.

03 12.220.1 MINERAL-7.1 mi.243 deg.

].

04 13.420.6 WARES CROSSROADS-5.1 al.287 deg.

05 15.320.4 C000 It0PE CIRIRCll-4.2 mi.20 deg.

OSA 16.810.2 STURGEON's CREEK-3.2 mi.11 deg.

, 06 2 0. 210.1 (H) LEVY-4.7 mi.115 deg.

p 07 14.520.3 BUMPASS-7.3 al.167 deg.

U 21 14*.020.6 ROUTE 685 1.0 mi.301 deg.

22 18.220.3 ROUTE 700-1.0 mi, 242 deg.

23 19.410.5 ASI'EN HILLS-0.9 mi.158 deg.

24 8. 7 t o . 4 (L) ORANCE - 22.0 al. 325 deg.

i TLD ALL 35.513.4 mr/90 days GAWA .

mean 2 0.1710.04 mr/ day RADIA1.ON 1 sigma H* highest La lowest

s VIRGINIA ELECTRIC & POWER COMPANY' NCRTH ANNA POWER STATIEN EXPOSURE PATHWAY - WATERBCRhE WATER - SURFACE IPCI/ LITER )

STATICA NUPOER 68 OISCHARGE LACCONS-1.1 Pl.148 OEG.

DATE COLL ECTED O '. /17 01/1T-03/19 02/19 03/19 RA010 CHEMICAL ANALYSIS I-131 L.T. 5. E-01 NR L .T . 3. E-01 L.T. 4. E-01 GAMM A SPECTRUM ANALYSIS DE-7 L.T. 6. E 01 NR L.T. 6. E 01 L.T. 6. E 01 K-40 L.T. 2. E 02 NR L .T . 1. E 02 L.T. 2. E 02 PN-54 L.T. 7. E 00 NR L .T . 6. E 00 L.T. 6. E 00 C0-58 L.T. 6. E 00 NR L.T. 6. E 00 L.T. 6. E 00

'FE-59 L.t. 1. E 01 NR L .T . 1. E 01 L.T. 1. E 01 C0-60 L.T. 6. E 00 NR L .T . 6. E 00 L.T. 6. E 00 IN-65 L.T. 1. E 01 NR L .T . 1. E 01 L.T. 1. E 01 ER-95 L.T. 7. E 03 NR L.T. 6. E 00 L .T . 6. E 00 RU-101 L.T. 7. E 00 NR L .T . 7. E 00 L .T . 7. E 00 00-136 L.T. 6. E 01 NR L .T . 5. E 01 L.T. 6. E 01 I-131 L.T. 1. E 01 NR L .T . 1. E 01 L.T. 1. E C1

> CS-134 L.T. 7 E 00 NR L .T . 7. E 00 L.T. 6. E CO O C5-137 L.T. 6. E 00 NR L .T . 7. E 00 L.T. 7. E 00 BA-143 L.T. 1. E 01 NR L .T . 8. E 00 L.T. 1. E 01 CE-141 L.T. 2. E 01 NR L .T . 1. E 01 L.T. .2. E 01 CE-144 L.T. 6. E 01 NR L.T. 6. E 01 L.T. 7. E 01 RA-226 L.T. 2. E 02 NR L .T . 1. E 02 L.T. 2. E 02 TH-223 2.11+-1. lee 01 NR L .T . 1. E 01 L.T. 1. E 01 TRITIUM AN ALYS15 H-3 NR, 5.6 +-0.7 E O2 NR NR O O 9 -

.O O O -

VIRGINI A ELECTRIC C POWER COMPANY .

NORTH ANNA POWER STATICN EXPOSURE PAT 9WAY - WATERBCRNE WATER - URFACE (PCffLITER I STATION NUMBER C9 LAKE. ANNAS UPS-2.2 NI. 320 CEG. (CONTROLI i

DATE COLL ECTED 01/17 01/17-33/19 02/19 03/19 RADI0 CHEMICAL ANALYS15 I-131 L.T. 5. E-01 NR L .T . 5. E-01 L.T. 3. E-01 CAMM A SPECTRUM ANALYSIS BE-7 L.T. 8. E 01 NR L .T . $. E 01 L.T. 7. E 01

' K-40 L.T. 2. E 02 NR L.T. 2. E 02 L .T . 1. E 02 MN-54 L.T. 7. E 00 NR L .T . 6. E 00 L.T. 7. E 00 CD-58. L.T. 8. E 00 NR L .T . 6. E 00 L.T. 7. E C0 FE-59 L.T. 2. E 01 NR L.T. 1. E 01 L.T. 1. E 01 CD-60 L.T. 8. ,E 00 'NR L.T. 7. E 00 L.T. 7. E 00

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DATE COLLECTED 03/19 GAMMA SPECTRUN ANALYSIS DE-7 L.T. 6 E 01 K-40 L.T. 1. E 02 MN-54 L.T. 6. E 00 C0-58 L.T. 6. E 00 FE-59 L.T. 1. E 01 CO-60 L.T. 6. E 00 IN-65 L.T. 1. E 01 2R-95 L . T. 6. E 00 RU-103 L.T. 7. E 00 RU-106 L.T. 6 E 01 I-131 L.I. 1. E 01 CS-134 L.T. T. E 00 Y CS-137 L.T. 6. E 00 U BA-140 L.T. 1. E 01 CE-141 L.T. 1. E 01 CE-144 L.T. 5. E 01 RA-226 L . T. 1. E 02 T P- 22 e L.T. 1. E 01 TRITIUM ANALYSIS H-3 3 1 *-0.8 E 02 e e 0 -

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l- DATE COLL ECTED 03/26 '

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DATE COLL ECTED 03/19 GAFMA SPECTRUM ANALYSIS BE-7 L.T. 1. E 00 K-40 5.67+-0.57E 01 PN-54 L.T. 1. E-01 CO-58 L.T. 1. E-01 FE-59 L.T. 3. E-01 CD-60 L.T. 1. E-01 2N-65 L.T. 3. E-01 2R-95 L.T. 1. E-01 RU-103 L.T. 1. E-J1 RU-106 L.T. 1. E 00 1-131 L.T. 3n E-01 CS-134 L.T. 1. E-01 CS-13F L.T. 1. E-01

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DATE COLL ECTED 03/19 GAMP4 SPECTRUM ANALYSIS BE-7 L.T. 5. E-01 K-40 2.65+-0.2TE 01 MN-54 L.T. 5. E-02 CO-58 L.T. 5. E-02 FE-59 L.T. 2. E-01 CO-60 L.T. 6. E-02 2N-65 L.T. 2. E-01 2R-95 L.T. 6. E-02 RU-103 L. T. 5. E-02 RU-106 L.T. 5. E-01 ,

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O O O VIRGINIA ELECTRIC C PCWER CCMPANY NORTH ANNA POWER STATICN EXPOSURE PATHWAY - INCESTION t P ILK (PCI/ LITER I STATICN NuP8ER 12 HOLLADAY DAIRY-8 3 Pl.310 DEG. !

DATE COLL ECTED 01/16 01/16-03/1T 02/14 03/17 RADIOCHEMICAL ANALYSIS SR-89 NR L.T. 4. E 00 NR NR .

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- I WTELEEf/NE ISOTOPES I

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SECOND QUARTER 1980 O

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TTElltnNE

'l ISOTOPES TABLE OF CONTENTS SECOND QUARTER 1980 O PAGE l

SUMMARY

AND DISCUSSION OF RESULTS f 3B i LIST OF TATLES LIST OF liGURES 3B EXCEPTIONS AND SPECIAL EVENTS 4B AIRBORNE EXPOSURE PAT 1MAY SB DIRECT EXPOSURE PATIMAY 12B WATERBORNE EXPOSURE PATHWAY ISB INGESTION EXPOSURE PATIMAY 20B CONCLUSIONS 24B l

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TTELEDYNE ISOTOPES LIST OF TABLES _ g

' SECOND QUARTER 1980 fAJiE

.73 14B Remp Summary - Airborne Exposure TABLE 4 17B Remp Sumary - Direct Exposure TABIE S 21B Remp Summary - Waterborne Exposure TABLE 6 Remp Summary - Ingestion Exposure TABLE 7 LIST OF FIGURES SEC0"D QUARTER 1980 6B

)

Airborne Exposure - Gross Beta and Ce-144 (1977-1980 13B FIGURE 3 Direct Exposure - Environmental TLD (1977-1980) 16B FIGURE 4 Waterborne Exposure - Tritium (1977-1980) 21B FIGURE F FIGURE 6 Ingestion Exposure - Sr-90 (1977-1980)

O 3B

i.

TTELEDYNE ISOTOPES EXCEPTIONS AND SPECIAL EVENTS SECOND QUARTER 1980 ,

{} APRIL 1, 1980 - JUNE 30, 1980 l

EXCEPTIONS I

During the second quarter of 1980 the schedule of analyses of samples from the environs of the North Anna Power Station (NAPS) was followed.

The air particulate and charcoal filters listed below were not analyzed for the reasons cited.

! collection station sample period exception 03 AP,C 06/24-07/01 equipment malfure. tion 07 AP,C 04/01-04/03 equipment malfunction During this quarter the analysis of milk samples for I-131 was questioned because of the use of formaldehyde as a preservative and the tendancy of this procedure to bind the iodine in other than the iodide form. The procedure recommended by Teledyne Isotopes since 1977 has been to use sodium bisulfite as the preservative in milk samples.

) SPECIAL EVENTS No special events occurred during the second quarter of 1980 that could affect the radiological environment in the vicinity of the NAPS, l

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4B

TTELEDYNE AIRBORNE EXPOSURE PATHWAY ISOTOPES (APRIL 1,1980 - JUNE 30,1980) O 1-7, 21-24)

AIR PARTICULATE FILTERS _ (STATIONS i tely 0.03 pCi/Cu.M.

No measurable Ce-144 ofwas l monitored airborne radioisotope in the gamm ticulate filters confirming the low leve s contamination of the environment.

AIR RADI0 IODINE (STATIONS 1-7,21-24) filters No iodine-131 was detected in the weekly air gashat no detectable air-collected in the environs of NAPS indicating t borne gaseous releases were made.

PRECIPITATION _ (STATION 01) i i n in rainfall During. April and May 1980 the average beta despos t oonitored d l

was 0." i nCi/sq.m. and duplicated the resu ts mNo precipitation sa quarter of 1980.

of insufficient rainfall.

(STATIONS 1-7, 21-24)

S from station 22 on g Manganese-54 was monitored in tce soil sampleThe level of Mn-54 W act be an anomoly. No Route 700, 1.0 mile, 242 degrees from NAPS. itored at is slightly above ibu limits of detection and maythat are plant re i

other radionuclide:

this. station lending support to the conclus on of Mn-54 could be an anomaly.

ld be a trace of The cerium-144 monitored at Fredericks i Hall cous years nuclear test.

radionuclides from worldwide fallout from prev houlow levels could ce of these However, single detections of fission products at s radioactivities.

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RADIOLOGICAL ENVIRCNPENTAL MCNITORING PROGRAM

SUMMARY

ATHWAY- AIR 80RNE COPPILATION - CU ART ERLY

SUMMARY

VIRGINIA ELECTRIC & POWER COMPANY S AMPLE - AIR PARTICULATE FILTERS CCNTROL - ORANCE-22.0 Pl.125 DEG.NW NORTH ANNA PCWER STATION UNITS - PCI/CU. M ,

ANALYSIS NO _ LIMIT OF ALL INDICATOR SAPPLES LOCATION WITH HIGHEST PEAM CONTROL LDCATION NON- REPORTING PERIOD DETECTION MEAN X E-03 MEAN X E-C0 MEAN X E-00 RCUTINE MEAN X E-00 RA NGE STATION FRACTICN RANGE RANGE FRACTION STATICN CESCRIPTION FRACTION GR-8 154 0.0076 0.032 0 036 0.031 0 04/01/80-07/04/83 0.026 -

0 036 23 013/013 0.027 - 0.054 0.016 - 0.043 153/154 ASPEN HILLS-0.9 PI.158 DEG. 013/013 SAMPLE 2 LT 0.00000 0 0 4/01/80-07/01/8J NOT LT 0.0C000-LT 0.00000 COLLSCTED 000/002 BE-7 12 0.0120 0.127 0.391 0.0097 0 04/01/80-07/01/80 0.072 -

0.391 04 001/001 0.391 -

0.391 0.0097 - 0.0097 012/012 WARES CROSSROADS-S.1 MI.287 DEG. 001/001 3

CS-137 12 0.00120 ,0.00380.0038 04 001/001 *

0.003 - 0.0038 .

001/012 NARES CROSSROADS-5.1 NI.287 DEG. 001/001 Sr-89 12 0.005 LT 0.004 0 04/01/80-07/01/80 LT 0.002 - LT 0.004 000/012 Sr-90 12 0.0005 0.00035 0.00047 LT 0.0003 0 04/01/80-07/01/80 0.00015 0.00047 22 001/001 - -

1 006/012 ROUTE 700-1.0 MI.247 DEG 001/001

RADIOLQGICAL ENVIRCAMENTAL MCNITORING PROGRAM

SUMMARY

DOTHWAY- AIR 80RNE COMPILATION - CUARTERLY 5t!MMARY VIRGINIA ELECTRIr & PohER CCMPANY 5 AMPLE - CHARCOAL FILTERS CONTROL - ORANGE-22.0 MI.325 DEG.NW NORTH ANNA POWFk STATICN UNITS - PCI/CU. M AN AL Y S I S NO LIMIT OF ALL INDICATOR SAMPLES LOCATION blTH HIGHEST MEAN CONTROL L DC A T I CN h0N- REPORTING PERico OETECTION MEAN X E-00 MEAN X E-00 MEAN X E-00 ROUTINE MEAN X E-00 RANGE STATION FRACTICN RANGE RANGC FRACTION STATIEh CESCRIPTION FRACTICN I~131 153 0.024 LT 0.020 LT 0.020 0 04/01/80-0T/01/80 LT 0.020 -LT 0.020 LT 0.C060 -LY 0.020 000/153 000/013 5 AMPLE 3 LT 0.00000 0 06/24/80-0T/01/80 NOT LT 0.0C000-LT 0.00000 COLLECTED 0 0/003 h h -

O .O O -

RADIOLDGICAL ENVIRONMENTAL MCNITORING PROGRAM

SUMMARY

PATFWAY- AIRBORNE COMPILATION - CUARTERLY

SUMMARY

VIRGINIA ELECTRIC E POWER CCMPANY SAMPLE - WATER - PRECl?ITATION CONTROL - NORTH ANNA P0hER STATION UNITS - PCI/ LITER ANALYSIS' NO LIMIT OF ALL INDICA!;? SAMPLES LOCATION WITH hlGNEST MEAN CONTROL LOCATICN h0k- REPORTING PERIOD

. DETECTION MEAN X C-00 MEAN X E-30 MEAN N E-00 ROUTINE MEAN X E-00 '. A NGI - STATION FRACTICN RANGE RANGE FRACTION STATICA CESCRIPTION FRACTICN i GR-B 3 7.5 8 .1 0 05/01/80-05/31/83 6.S -

8.1 01 001/001 s .1 - 8 .1 002/003 ONSITE-0.2 MI.42 OEG II- 3 1 370 370 0 01/01/80-05/30/80 01 001/001 -- --

001/001 ON SITE-0.2 M1 42 DEG CANNA 1 L.T.

ANALYSIS See Table ,

E DEPOSITION (avg) 0.51 nC1/sq m. during April and May i

Only 0.56 inches of rainfall in June which is insufficient for calcultting gross beta activity.

RADIOLOGICAL ENVIRCNFENTAL MCNITOR;1G PROGRAM

SUMMARY

PATHWAY- AIR 8ORNE COMPILATION - CUARTERLY

SUMMARY

VIRGINIA ELECTRIC C POWER COMPANY S AMPLE - 5 0 IL CONTROL - ORANGE-22.0 Mt.325 OEG.NW NORTH ANNA P0hER STATION UNITS - PCI/GM ORY ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES- LOCATI6N WITH HIGHFST MEAN CONTROL LOCATICN h0N- REPORTING PER100 OETECTION MEAN X E-00 NEAN X E-30 MEAN X E-00 RCUTINE MEAN X E-00 RANGE STATION FRACTICh RANGE RANGE FRACTIOu STATICh CESCRIPTION FRACTION SR-89 5 LT 0.40 LT 0.30 0 05/27/80-05/27/8J LT 0.20 -LT 0.40 LT 0.30 -LT 0.30 000/005 000/001 SR-90 5 0.084 0 084 LT 0.090 0 05/27/80-05/27/80 0.084 - 0.084 21 001/001 0 084 -

0.084 LT 0.C90 -LT 0.090 C01/005 ROUTE 685-1.0 PI.301 DEG. 000/001 K-00 12 0.500 12.2 23.7 LT 1 00 0 05/27/80-05/27/83 5.55 -

23.7 23 001/001 23.7 -

23.7 LT 1.00 -LT 1.00 011/012 ASPEN HILLS-0.9 MI.158 DEG. 000/001 MN-54 12 0.0200 0.10C '

O.100 LT 0.0500 0 05/27/80-05/27/83 0.100 - 0 100 22 001/001 0.100 - 0.100 LT 0.C500 -LT 0.0500 g C01/012 ROUTE 700-1.0 MI.242 DEG. C00/001 I-131 12 0.0300 LT 1.00 LT 0.700 0 05/27/80-05/27/8)

LT 0.3C0 -LT 1.00 LT 0.700 -LT 0.700 000/012 C00/001 CS-137 12 0.0200 0.633 1.16 LT 0.0400 0 05/27/80-05/27/80 0.0970 - 1.16 OSA 001/001 1.16 -

1.16 LT 0.J40C -L T 0.04C0 007/012 STURGE 0N'S CREEK-3.2 MI. 11 CEG. C00/001 CE-141 12 0.0400 0 214 0.214 LT 0.100 0 05/27/80-05/27/83 0.214 -

0.214 22 001/001 0.214 -

0.214 LT 0.100 -LT 0 100 001/012 ROUTE 700-1.0 FI.242 DEC. C00/001 O O O -

O O O -

s RADIOLOGICAL ENytRCAPENTAL MCNITORING PROGRAM

SUMMARY

P ATPWAY- A IRBORNE COMPILATION - CUARTERLY

SUMMARY

VIRGINIA ELECTRIC E POWER CCMPANY SAMPLE - 5 0 IL CONTROL - CRANGE-22.0 MI.325 DEG.NW NORTH AhNA P0hER STATICN UNITS - PCI/GM ORY ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITli FIGHEST MEAN CONTROL LDCATICN NON- REPCRTING PERIOD DETECTION MEAN X E-00 MEAN X E-00 MEAN X E-00 ROUTINE MEAN X E-00 RANGE STATICN FRACTICh >ANGE RANGE FRACTION STATICN CESCRIPTION FRACTIch C E-144 12 0.200 0 186 0.186 LT 0.300 0 05/27/90-05/2T/83 0.186 - 0.186 02 001/001 0.106 -

0 186 LT 0.300 -LT C.300 001/012 FREDERICKS HALL-5.3 MI. 225 DEG. C00/C01 RA-226 12 0.100 2.45 5.20 LT 0.700 0 05/2T/80-05/27/80 0.957 - 5.20 22 001/001 5.20 -

5.20 LT 0.700 -LT 0.700 010/012 RCUTE 700-1.0 Pl.242'0EG. 000/001 IR-228 12 0.0200 1.82 4.73 0.520 0 05/27/80-05/27/83 0.520 - 4.73 22 001/001 4.73 -

4.73 0.520 - C.520 012/012 ROUTE 700-1.0 FI .24 2 DEG. 001/001

=

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TTELEDYNE -

ISCrR] PES DIRECT EXPOSURE PAnidAY (APRIL 1, 1980-JUNE 30, 1980) gg ENVIROSMENTAL GA.ABM DOSE-TLD(STATIONS 1-7, 21-24)

The average environmental gamma radiation dose monitored in the environs of the North Anna Power Station during the second quarter was 0.21 mr/ day and the range was 0.15 to 0.26 mr/ day. The annual dosimeters exposed from 06/26/79-06/24/80 had an average gamma radiation dose of 0.19 mr/ day in good agreer.cnt with the exposure of the quarterly dosimeters. The range for the annual dosimeters was 0.13 to 0.2S mr/ day. .

The highest exposure for both the quarteely and annual dosineters was measured at station 06, Levy 47 mi 115 deg. from the NAPS.

See Table 5, the REMPS table for direct exposure and Figure 4, the plot of dose levels monitored since 1977.

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TARLE 5 RA010 LOGICAL ENVIRONMENTAL MONITORING FROGRAM

SUMMARY

PATHNAY-DIRECT EXPOSURE SAMPLE-TLD ENVIRONMENTAL SADGES CottPILATION - QUARTERLY

SUMMARY

VIRGINIA ELECTRIC 4 FONER COMPANY UNITS-ar/ day CONTROL - ORANGE-22.0 MI.325 DEC.NN NORTH ANNA FONER STATION ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION RITH HIGHEST MEAN CONTROL LOCATION NON-REPORYiNG PERIOD DETECTION MEAN 1 E-00 MEAN I E-00 MEAN 1 E-00 ROUTINE MEAN I E-00 RANGE STATION FRACTION RANGE RANGE FRACTION STATION DESCRIPTION FRACTION 0.21 2/2 0.26 0.15 0 03/25/80-06/24/80 GAMNA 12- *2mr 0.15-0.26 06,23 DOSE 1/1 12/12 LEVY-4.7 MI.115 DEG ASPEN HILLS-0.9 MI.158 DEG.

=

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TTELEDYNE ISOTOPES WATERBORNE EXPOSURE PATIINAY (APRIL 1,1980 - JUNE 30,1980)

SURFACE WATER (STATIONS 08, 09)

Iodine-131 and gama radionuclides in surface water remained below the limits of detection. The tritium activity at the Discharge Lagoon (Station 8) was 820 pCi/ liter compared to S60 pCi/ liter in the first quarter of 1980. The tritium activity at Station 09 was 430 pCi/ liter compared to 160 pCi/ liter in the first quarter of 1980.

RIVER WATER (STATION 11)

The tritium activity at Station 11 increased to 770 pCi/ liter compared to 310 pCi/ liter monitored in the first quarter. No gama emitters above the limits of detection were monitored.

GROUND WATER (STATION 01A)

Ground water from the environmental well (Station 01) contained no gama emitters or tritiuu activity above the limits of detection.

See Table 6 the RDIPS table for waterborne exposure and Figure S, the tritium activity at the water discharge from the NAPS.

SEDDtENT (STATION 08, 09, 11) g No sediment samples were scheduled for analysis during the second quarter of 1980.

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RADIOLOGICAL ENVIRCNMENTAL MCNITORING PROGRAM

SUMMARY

P ATHW AY- W ATER8ORNE COMPILATION - OU ART ERLY SUMM ARY VIRGINIA ELECTRIC E POWER COMPANY SAMPLE --WATER - SURFACE CONTROL - LAKE AhhA,UPS-2.2 MI.320 DEG.NW NORTN ANNA P0hER STATICN UNITS - pct / LITER ANALYSIS NO- LIMIT OF ALL INDICATOR SAMPLES LOCATION hITH HIGHEST MEAN CONTROL LOCATION NO N- REPORTING PERIOD DETECTION. MEAN X E-00 MEAN X E-00 MEAN X E-00 ROUTINE MEAN X E-00 RA NGE STATION FRACTICN RANGE RANGE FRACTION STATICN DESCRIPTION FRACTION I-131 7 -

LT 0.50 Lt 0.40 0 04/16/80-06/25/80 LT 0.40 -LT 0.50 LT 0.20 -LT 0.40 0C0/007 000/003 SR-89 3 LT 3.0 LT 3.0 0 04/16/80-06/25/83 LT 30 -LT 3.0 LT 3.0 -LT 3.0 000/003 C00/001 SR-90 3 0.55 0.56 0.56 0 04/16/80-06/25/83 0.54 -

0.56 09 001/001 0.56 - 0.56 0.56 -

0.56 CO2/003 LAKE ANNA, UPS-2.2 MI. 320 CEG. ICON 001/001 I-131 7 LT 20.0 LT 20.0 0 04/16/80-06/25/80 LT 20.0 -LT 20.0 LT 10.0 -LT 20.0

, 000/007 000/003

.5 :

CS-137 7 LT 7.00 LT 7.00 0 04/16/80-06/25/80 LT 7.0C -LT 7.00 LT 5.00 -LT 7.00 000/007 000/003 H 3 600. . 780. 430. 0 04/16/80-06/25/83 430. -

780. 08 002/002 740. - 820. 430. -

430.

003/003 DISCH ARGE LAG 0ChS-1 1 M t.148 OEG. 001/001

RADIOLOGICAL ENVIRONPENTAL #CNITORING PROGRAM

SUMMARY

PATPWAY- WATERBORNE COMPILATION - QUARTERLY

SUMMARY

VIRGINI A ELECTRIC C POWER COMP ANY SAMPLE - WATER - RIVER CONTROL - LAKE AhhA,UPS-2.2 MI.320 DEC.NW NORTH ANNA P0hEA STATION UN IT S - PCI/ LITER ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH HIGHEST MEAN CONTROL LOCATICN h0N- REFORTING PERIOD DETECTION MEAN X E-00 MEAN X E-00 MEAN X E-00 ROUTINE PEAN K E-00 RANGE STATION FRACTICA RANGE RANGE FRACTION STATICN CESCRIPTION FRACTICN

$R-89 1 LT 3.0 0 06/16/80-06/16/83 LT 3.0 -LT 3.0 0C0/001 SR-90 1 LT 0.70 0 06/16/80-06/16/83 LT 0.70 -LT 0.70 000/001 I-131 1 LT 10.0 0 06/16/80-06/16/80 LT 10.0 -L7 10.0 C00/001 C5-137 1 LT 6.00 0 06/16/80-06/16/80 LT 6.00 -LT 6.00 C00/001 o

H-3 1 770. 770. 0 06/16/80-06/16/83 770. -

770. 11 001/001 770. - 770.

001/001 NORTH ANN A R CCWNS-5.8 M t.128 DEG.

O O O .

o ,

O. o -

RADICLOGICAL ENVIRONFENTAL MCNITORING PROGRAM

SUMMARY

PATPWAY- WATERBORNE' COMPILATION - QUARTERLY

SUMMARY

VIRGINIA ELECTRIC C POWER COMPANY SAMPLE - WATER - GROUND CONTROL - PREVIOUS 3 CUARTERS NORTH ANNA P0hER STATION UNITS - PCI/ LITER

'. ' AN ALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATICN WITP HIGHEST MEAN CONTROL LOCATICN NON- REPCRTING PERICO DE TEC TION MEAN X E-00 MEAN X E-00 MEAN X E-00 ROUTINE MEAN X E-00 R A NGE STATICN FRACTICA RANGE RANGE FRACTION STATICN DESCRIPTION FRACTION ,

SR-89 1 -LT 2.0 0 06/24/80-06/24/83 LT 2.0 -LT 2.0 C00/001 SR-90 1 LT 0.40 0 06/24/80-06/24/83 l LT 0.40 -LT 0.40 C00/001 I-131 1 10.0 LT 20 0 0 06/24/80-06/24/83 LT 20.0 -LT 20.0 000/001 i

CS-13T 1 9.00 LT 7.00 0 06/24/83-06/24/80 LT T.00 -LT 7 00 000/001 E

H-3 1 100. LT 100. 0 06/24/80-06/24/83 LT 100. -LT 100.

000/001 8

TTELEDYNE ISOTOPES INGESTION PAT 11NAY (APRIL 1,1980 - JUNE 30,1980)

O MILK (STATIONS 12, 13, 14A)

No radioactivities above the limits of detection were monitored in milk except the naturally occurring K-40 and an average strontium-90 activity of 2.6 pCi/ liter. See the accompanying REMPS table (Table 7) and Figure 6, the average Sr-90 of 2.6 pCi/ liter in milk. The Sr-90 activity of 2.6 pCi/ liter in milk in the second quarter compares to 2.8 pCi/ liter of Sr-90 monitored in the first quarter.

FI5H (STATIONS 08, 09)

Potassium-40 and cecium-137 were detected in fish samples collected at the discharge Lagoon and the plant inlet. No nuclear plant releases were monitored in the fish samples. indicating that no nuclear plant releases were ingested by the fish.

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O O O - RADIOLOGICAL ENVIRChPENTAL MCNITORING PROGRAM

SUMMARY

PATHWAY- INCE$ TION COMPILATION - QUARTERLY

SUMMARY

VIRGINI A ELECTRIC C POWER COMPANY SAPPLE - M ILK CONTROL - NORTH ANNA P0hER STATICN UNITS - PCI/ LITER I AN AL YS15 NO ' LIMIT r *LL INDICATOR SAMPLES LOCATION WITH HIGHEST MEAN CONTROL LOCATION NON- REPORTING PERIOD DETEC' MEAN X E MEAN X E-00 MEAN X E-00 ROUTINE MEAN R ANG E STATICN FRACTICh RANGE RANGE

                                                                                                                                            *RACfl0N                                           STATICA CESCRIPTION             FRACTICN I-131                 9    0.50                                                                                                     LT     0.50                                                                                 0 04/17/80-06/16/83 LT                                           0.40            -LT      0 50 C00/009 SR-89                 3                                                                                                             LT     5.0                                                                                  0 04/1T/80-06/16/80 LT                                     -50                   -LT      5.0 0C0/003 SR-90                 3    0.80                                                                                                            2.6                                         31                                       0 04/17/80-06/16/8J 2.4            -        31       12      001/001     31       -

31 C03/003 HOLLADAY DAIRY-8.3 MI.310 DEC. , K-40 9 2J0. 1177. 1180. 0 04 /17 /80-06/16/8J 1040. - 1370. 14A 003/003 1050. -1370. 3 009/009 m I-131 9 0.500 LT 10.0 0 04 /17 / 80-06/16/8J LT 10.0 -LT 10.0 000/009 C 13T 9 3 0G 9.99 9.99 0 Ot /17 /80-06/16/80 9.99 - 9.99 14A 001/C02 9.99 - 9.99 001/009

RADIOLOGICAL ENVIRONFENTAL MCNITORING PPNGRAM

SUMMARY

PATHWAY- INGESTION COMPILATION - 00ARTERLY

SUMMARY

VIRGINIA ELECTRIC C POWER COMPANY SAPPLE - F I$H CONTROL - L ANE Ahh4 UPS-2.2HI NORTH ANNA P0hER STATION UNITS - PCI/GM WET ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATICN WITH FIGHEST MEAN CONTROL LOCATICN NON- REPORTING PERICO DETECTION MEAN X E-00 NEAN X E-00 MEAN X E-OJ ROUTINE MEAN X E-00 R ANG E STATION FRACTICN RANGE RANGE FRACTION STATICh CESCRIPTION FRACTICN K-40 2 0.500 2.11 2.49 1.T3 0 04/25/80-04/25/80 1.T3 - 2.49 08 001/001 2.49 - 2.49 1.T3 - 1 73 CO2/002 DISCHARGE LAGCCNS-1.1 HI.148 OEG. 001/001 1-131 2 0.0300 LT 0.08C0 LT 0.0800 0 04/25/80-04/25/80 LT 0.0600 -LT 0.0800 LT 0.C800 -LT 0.0800 000/002 000/0u1 CS-13T 2 0 0200 0.0913 0.0913 LT 0.0500 0 04/25/80-04/25/83 0.0913 - 0.0913 08 001/001 0.0913 - 0.0913 LT 0.0500 -LT 0.0500 C01/002 DISCHARGE LAGCChS-1.1 HI.148 CEG. 000/001

 'd a

O O O O -

            ' T TELEDYNE f

ISOTOPES o CONCLUSIONS (APRIL 1,1980-JUNE 30,1980) The results of the radiological environmental monitoring program conducted in the environs of the North Anna Power Station show that no releases of nuclear plant radionuclides (other than tritium) were detected above the limits of detection prescribed for the program. The dose contribution of the maximum level of 820 pCi/ liter of tritium poses no exposure threat to the population. 4 i . O 4 o 9 24B

l TTELEMNE ISOTOPES O~ APPENDIX SECOND QUARTER 1980 P t O l l l f l

O B-1

l i O l THIS PAGE WAS INTENTIONALLY LEFT BLANK. O I I

4 e

s TTELECWNE ISOTOPES TABLE OF CONTENTS SECOND QUARTER 1980 APPENDICES-DATA TABLES PAGE AIRLJRNE PATHWAY AIR PARTICULATE B-3 AIR RADI0 IODINE B-3 l

                                        -PRECIPITATION                                                                                 B-27 SOIL                                                                                          B-28

! DIRECT PATHWAY TLD B-40 WATERBORNE PATHWAY SURFACE WATER B-41

                                        ~ RIVER WATER                                                                                  B-43 GROUND WATER                                                                                  B-44 INGESTION PATHWAY t

MILK B-45 FISH B-48 u 1. l de l . i i l EO B-2 F . , ~ -. ...____.__.-._.,,.L,. _ _ _ _ __, .. ; - . . . _ . . _ _ . _ _ . . . . . . , _ . _ . _ .,;- , - - . - - - ,

VIRGINIA ELECTRIC C PChER CCPPANY NCRTH ANNA PCWER STATICN

                                 . EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE C CHARCCAL FILTERS STATION NUP8ER G1 CASITE-3.2 MI.42 CCG COLL. TIME                          AP FILTER                      MID-COUNT   CHARCOAL FtLTER START STOP                         GROSS BETA                          TIME           I-131 OATE DATE      VOLUME -UNITS       IPCI/CU. M l                      DATE TIME    IPCI/CU. M i G4/01 04/08 1.3tE 02    CU. M    2.8 +-0.6 E-02                    04/18         L.T. 2. E-02 04/08 04/15   1.3'\E 02 CU. M    2.5 +-0.6 E-02                    C4/25         L.T. 9. E-03 04/15 04/22   1.31' 02  CU. M    1.6 +-0.6 E-02                    05/03         L.T. 1. E-02 04/22 04/29   1.36E 02  CU. M    1.6 +-0.6 E-C2                    05/10         L.T. 1. E-02 G4/29 05/06  1.33E 02   CU. M    2.2 +-0.6 E-02                    05/16         L.T. 2. E-02 05/06  05/13 1.37E 02   CU. M    2.9 +-0.6 E-02                    C5/24         L.T. 8. E-03 05/13 05/20   1.39E 02  CU. M    1.7 +-0 6 E-02                    06/02         L.T. 1. E-02 C5/20 05/27   1.36E C2  CU. M    2.3 +-0.6 E-02                    06/07         L.T. 1. E-02 05/27 06/04   1.*7E 02  CU. M    3.4 +-3.6 E-G2                    06/13         L.T. 1. E-02 06/04 06/10 1.15E 02    CU. M    3.5 +-0.8 E-02                    06/23         L.T. 2. E-02 06/1C 06/17   1.3\E C2  CU. M    3.5 +-0.7 E-02                    06/28         L.T. 9. E-03 06/17 06/24   1.397 C2 CU. M     3.4 +-0.6 E-02                    0 7/C 7       L.T. 1. E-02 C6/24 07/01   1.33E G2 C U. M    3.9 +-3.7 E-02                    07/14         L.T. 2. E-02

.Y m e e e e e ..

O O O - s VIRGINIA ELECTRIC 4 POWER COMPANY -

NORTH ANNA POWER STATION EXPOSURE PATHWAY - AIRBORNE

, COMPOSITE AIR PARTICULATE FILTERS ( PClir CU , M) STATION NUMBER 01 ON SITE - 0.2 MI. 42 DEC. DATE COLLECTED' 04/01-07/01

             'CAMMA SPECTRUN' ANALYSIS i

i BE-7 8.99+-1.44E-02 K-40 L.T. 3. E-02 , MN L.T. 1. E-03 CO-58 L.T. 1. E-03 FE-$9' L.T. 4 .' .E-03 > CO-58 'L.T. 1. .E-03 FE-59 L.T. 4. E-03 CO-60 L.T. 1. E-03 ZN-65 L.T. 2. E-03 ZR-95 .L.T. 2. 'E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 I-131 L.T. 9. E-03

      -=              CS-134                               L.T. 1. E-03 4

6 CS-137 L.T. 1. E-03 BA-140 L.T. 4 E-03 CE-141 L.T. 2. E-03 CE-144 L.T. 7. E-03 RA-226 L.T. 2. E-02 Til- 2 2 8 L.T. 2. E-03 RADI0 CHEMICAL. ANALYSIS: Sr-89 . L.T. 4. E-03 , Er-90 L.T. 3. E-04 r ,f ' 1 4 4

VIRGIN!A ELECTRIC C PCWER COPPANY NCRTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIR 20RAE AIR PARTICIN ATE E CHARCC AL FILTERS STATION NUPBER C2 FREDEPiCKS HALL-5.3 Mt. 225 CEG. COLL. TIME AP FILTER MIO-COUNT CHARCOAL FILTER START STOP GROS 5 DETA TIME I-131 DATE DATE VOLUPE UNITS IPCI/CU. P 1 CATE TIME (PCI/CU. M I C4/01 04f08 1 37E 02 CU. M 2.0 +-0.6 E-02 04/18 L.T. 2. E-02 04/08 04/15 1.38E 02 CU. M 3.3 +-0.7 E-02 04/25 L.T. 9. E-03 04/15 04/22 1 37E 02 CO. M 2.5 +-0.7 E-02 05/03 L.T. 1. E-02 04/22 04/29 1.35E 02 CU. M 7.8 +-5.1 E-03 05/10 L.T. 1. E-02 C4/29 05 f06 1.38E 02 CU. M 2.3 +-0.6 E-02 05/19 L.T. 1. E-02 C5/06 05,'13 1.36E 02 CU. M 3.1 +-0.6 E-02 05/23 L.T. 1. E-02 C5/13 05/20 1.25E 02 CU. M 3.5 +-0.7 E-02 06/04 L.T. 2. E-02 05/20 05/t7 1 21E 02 CU. M 3.9 +-0.8 E-02 06/07 L.T. 1. E-02

G5/27 06/i4 1.38E 02 C U. M 4.5 +-0.7 E-02 06/14 L.T. 1. Ee02 06/04 06/13 1.04E 02 CU. M 4.8 +-0.9 E-02 06/21 L.T. 1. E-02 06/1C 06/17 1 21E 02 CU. M 3.7 +-0.8 E-02 06/29 L.T. 2. E-02 C6/17 06/24 1.24E 02 CU. M 4.5 +-3.8 E-C2 01/07 L.T. 2. E-02 C6/24 07/01 1,21E 02 C U. M 3.9 +-0.7 E-02 07/11 L.T. 8. E-03

m O O O -

_ s , _._ . ._. i IO O O ~ 9 VIRCINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU. M) STATION NUMBER 02 FREDERICKS ItALL - 5.3 MI. 225 DEG. I DATE COLLECTED 04/01-07/01 GAMMA SPECTRUM ANALYSIS 18E-7 1.23+-0.17E-01 K-40 L.T. 3. E-02 MN-54 L.T. 1. E-03 CO-58 L.T. 2. E-03 FE-59 L.T. 4 E-03 C0-60 ~ L.T. 2. E-03 ZN-65 L.T. 4 E-03 ZR-95 2. L.T. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 I-131. L.T. 1. E-02 CS-134 L.T. 2. E-03 CS-137 L.T. 2. E-33 BA-140 L.T. 6. E-03

                                      ?                                                          CE-141-                                                                          L.T. 2. E-03 CE-144                                                                           L.T. 7. E-03 RA-226                                                                          L.T. 2. E-02 TH-228                                                                           L.T. 2. E-03 RADIOCllEMICAL ANALYSIS Sr-89                                                                           L.T. 3. E-03 Sr-90                                                                           L.T. 3. E-04 I

t

                                                                                                                      ,                                                                     n.                        -

VIRGINIA ELECTRIC C PChER CCPPANY NCRTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRt0RNE AIR PARTICULATE C CHARCCAL FILTERS STATION NUFBER C3 MINERAL-7.1 Pl.243 DEG. COLL. TIME AP FILTER M I D-COUN T CHARCOAL FILTER START STOP GROSS BETA TIME I-131 CATE DATE VOLUME UNITS IPCI/CU. M i DATE TIME IPCI/CU. M 1 C4/01 04/08 1.36E 02 CU. M 4.7 +-0.7 E-02 04/18 L.T. 1. E-02 C4/08 04/15 1.26E 02 CU. M 3.3 +-0.7 E-02 C4/25 L.T. 2. E-02 C4/15 04/22 1.35E 02 CU. M 2.8 +-0.7 E-02 05/03 L.T. 1. E-02 04/22 04/29 1 35E 02 CU. M 2.'8 +-3.6 E-02 05/10 L.T. 9. E-03 04/29 05/06 1.36E 02 CU. M 3.9 +-0.7 E-02 05/16 L.T. 2. E-02 05/06 05/13 1 36E 02 CU. M 5.0 +-0.7 E-02 C5/23 L.T. 1. E-C2 05/13 05/20 1.39E 02 CU. M 3.1 + -0. 6 E-0 2 C6/03 L.T. 2. E-02 C5/2C 05/27 1.33E 02 CU. M 3.5 +-0.7 E-02 06/07 L.T. 1. E-02 05/27 36/04 1.56E 02 C U. M 4.8 +-0.7 E-02 06/14 L.T. 1. E-03 C6/04 06/10 1.17E 02 CU. M 4.6 +-o.8 E-02 06/23 L.T. 2. E-C2 06/10 06/17 1.32E 02 CU. M 1.7 +-0.6 E-02 06/28 L.T. 1. E-02 06/17 06/24 1.38E 02 CU. M 1.3 +-0.5 E-02 07/03 L.T. 5. E-03 C6/24 07/01 (a) NOT C OLLECTED ? 9 (a) Equipment Malfunction O O O .

D O O -

                                                                                                                            .VIRC NIA ELECTRIC 4 POWER COMPANY I

NORTH ANNA POWER STATION

EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU. M )

STATION NUMBER 03 HINERAL-7.1 Mt.24h DEC.WSW [

                                      .DATE CO,LLECTED                                               . 04/01 06/24 GAMMA SPECTRUM ANALYSIS
                                                             -fE-7                                          7.44+-1.33E-02 4

K-40 L.T. 4. E-02 . 4 MN-54 L.T. 1. E-03 CO-58 L.T. 2. E-03 FE-59 L.T. 4 E-03 j CO-60 L.T. 1. E-03 ZN-65 L.T. 3. E-03 ZR-95 L.T. 2. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 : 1-151 L.T. 2. E-02

                                                               -CS-tst                                      L.T.                 1. E-03
                                                              .LS-137                                       L.T.                 1. E-03
                     ?                                           BA-140                                     L.T.                 8. E-03

CE-141 L.T. -2. E-03 CE 144 L.T. 5. -E-03 RA-226 L.T. 1. E-02 Til- 2 2 8 L.T. 1. E-03 RAD 10CitEMICAL ANALYSIS Sr-89 L.T. 3. E-03 Sr-90 L.T. 4. E-04

VIRGINIA ELECTRIC C PCWER CCFPANY NCRTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE C CHARCCAL FILTERS STATION NUPBEA C4 WARES CROSSRCA05-5.1 FI.287 CEC-COLL. TIME AP FILTER MID-COUNT CHARCOAL FILTER START STOP GROSS BETA TIME I-131 OATE DATE VOLUME UNITS IPCI/CU. N I DATE TIME IPCI/CU. M l C4/01 04/08 1.34E 02 CU. M 3 2 +-0.7 E-02 04/18 L.T. 2. E-02 C4/08 04/15 1.42E 02 CU. M 3.1 +-0.6 E-02 04/25 L.T. 2. E-02 04/15 04/22 1.48E 02 CU. M 2.5 +-0.6 E-02 05/03 L.T. 1. E-02 C4/22 04/29 1.43E 02 CU. M 1.8 +-0.6 6-02 05/10 L.T. 1. E-02 04/29 05/06 1.37E 02 CU. M 2.4 +-0.6 E-02 05/16 L.T. 1. E-02 05/06 05/13 '.47E 02 CU. M 4.2 +-0.6 E-02 05/23 L.T. 2. E-02 C5/13 05/20 1.51E 02 CU. M 2. 8 +-0.6 E-02 06/04 L.T. 1. E-02 C5/20 05/27 1.45E 02 CU. M 1.8 +-0.6 E-02 06/07 L.T. 2. E-02 05/27 06/J4 7.37E 01 Ctt , M 6.4.+-1.3 E-02 06/14 L.T. 2. E-02 C6/04 06/10 1.73E 02 CU. N 3.6 +-0.6 E-02 C6/21 L.T. 1. E-02 06/1C 06/17 1."3E 02 CU. M 2.3 +-0.6 E-02 06/28 L.T. 1. E-02 C6/17 06/24 1.4TE 02 CU. M 2.0 +-0.5 E-02 07/04 L.T. 5. E-03 C6/24 07/01 7.27E 01 CU. M 2.5 +-0.9 E-02 07/11 L.T. 8. E-03 O O O

O O O - c .. VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION-EXPOSURE PATitWAY - AIRBORNE I COMPOSITE AIR PARTICULATE FILTERS ( P C I / Cit , M ) STATION NUMBER 04 WARES CROSSROADS-5.1 MI.287 DEC.WNW DATE COLLECTED' 04/01-07/01 GAMMA SPECTRUM ANALYSIS BE L. T. 2. E-02

                                                                                                            .K-40                                                                                                  3.91+-0.39E-01 MN                                                                                               L.T. 1. E-03 CO-58                                                                                                L.T. 2. E-03 FE-59                                                                                                f. . T . 4. E-03 CO-60                                                                                                L.T. 2. E-03 2N.65-                                                                                               L.T. 4. E-03 ZR-95                                                                                                L.T. 2. E-03 RU-103                                                                                               L.T. '2. E-03 RU-106                                                                                               L.T. 1. E-02
                                                                                                             .I-131                                                                                                L.T. 1. 'E-02 CS-134                                                                                              'L.T. 2. E-05 CS-137-                                                                                              3.81+-1.13E-03 CA-140                                                                                               L.T. 8. E-03.

CE-141- L.T. 2. E-03 CE-144 L.T. 6. E-03 RA-226 2.82+-0.38E-02 [ .TH-228 1.82+-0.18E-02 o RADI0 CHEMICAL ANALYSIS: br-89' L.T. 3. E-03 Sr-90 3.3 +-2.0 E-04

s VIRGINIA LLECTRIC C PCWER CCMPANY NCRTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE C CHARCCAL FILTERS STATION NUMBER C5 GOOD HOPE CHURCH-4,2 P!.20 CEG. COLL. TIME AP FILTER MID-COUNT CHARCOAL FILTER ST4RT STOP GROSS BETA TIF4 I-131 CATE DATE VOLUPE UNITS IPCI/CU. M i DATE I!ME (PCI/CU. M i 04/01 04/08 1.37E 02 CU. M 3.0 +-0.6 E-02 C4/18 L.T. 1. E-02 04/08 04/15 1.38E C2 CU. M 4.2 +-U.7 E-02 04/25 L.T. 2. E-02 04/15 q4/22 1.38E 02 CU. M 3.1 *-O'7

                                                                                              . E-02                  05/03        L.T. 1. E-02 04/22          04/29 1.36E  02 C U. M                    2.8  +-o.6  E-02                  05/10        L.T. 1. E-02 04/29          05/06 1.39E  02 CU. M                     3.5  +-0.7  E-02                  05/16        L.T. 1. E-02 C5/06          05/13 1.38E  02 CU. M                     3.8  +-0.6  E-02                  C5/23        L.T. 2. E-02 C5/13          05/20 1411E  02 C U. M                    2.8  +-0.6  E-02                  06/04        L.T. 1. E-02 C5/20          05/27 1 37E  02 CU. M                     3.4  +-0.7  E-02                  06/07        L.T. 1. E-02 05/27 06/04           1.57E 02 CU. M                     4.5  +-0.7  E-02                  06/14        L.T. 6. E-03 06/04 06/10          1.19E C2 CU. M                      4.0  +-C.8  E-02                  06/21        L.T. 1. E-02 C6/10 06/17          1.35E C2 CU. M                      3.2  +-0.7  E-02                  06/29        L.T. 2. E-02 C6/17 06/24           1.36E 02 CU. M                     5.3  +-0.8  E-02                  07/04        L.T. 6. E-03 C6/24 07/01          1 37E 02 CU. M                      3.1 +-0.6   E-02                  07/11        L.T. 6. E-03
               ?

OO O O O -

    - _ . . , --- --           ..   - - . - - - - _ _ - - _ _ _ _ - - - - - _ . _ _ _ - - - - - - _ - _ . . . - - - - _ . . . -                                          .     .--   ~ _.                     .

O- O O - VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY - AIRBORNE

                                                                                                                                         . COMPOSITE AIR PARTICULATE FILTERS 4                                                                                                                                                   (PCI/CU.M    )

STATION NUMBER 05 GOOD HOPE CHURCil-4.2 MI .20 DEC.NNE DATE COLLECTED 04/01-07/01 GAMMA SPECTRUM ANALYSIS, BE-7 1.12+-0.16E-01 K-40 L.T. 2. E-02 MN-54 L.T. 1. 'E-03 CO-58' L.T. 1. E-03 FE-59 L.T. 3. E-03 CO-60 L.T. 1. E-03 ZN-65 L.T. 3. E-03 ZR-95' L.T. 2. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 I-131- L.T. 1. E-02 CS-134 L.T. 1. E-03 CS-137 L.T. 1. E-03 BA-140~ L.T. 5. E-03 CE-141 L.T. 3. E-03 , CE-144 L.T. 9. E-03

                     ,        RA-226                                                                                              L.T. 2. E-02

TH-228 L.T. 2. E-03 n

RADI0 CHEMICAL ANALYSIS: Sr-89 L.T. 4. E-03 Sr-90 L.T. 3. E-04 l l l l l 1 i 1

I VIRGINIA ELECTRIC E PCWER CCPPANY NCRTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE & CHARCCAL FILTERS STATION NUPBER C5A STURGE 0N'S CREEK-3.2 Pt. 11 CEG. COLL. TIME AP FILTER MIO-COUNT CHARCOAL FILTER START STOP GROSS BETA TIME I-131 l DATE DATE VOLUME UNITS IPCI/CU. P I DATE TIME IPCI/CU. M I 04/01 04/08 1.30E C2 CU. M 2.1 +-0.6 E-02 04/18 L.T. 2. E-02 04/08 04/15 1.34E C2 CU. M 2.7 +-0.6 E-02 04/25 L.T. 2. E-02 04/15 04/22 1.34E 02 C U. M 2.9 +-0.7 E-02 05/05 L.T. 2. E-02 04/22 04/29 1 32E 02 CU. . M 2.0 +-0.6 E-02 C5/12 L.T. 2. E-02 C4/29 05/06 1.35E 02 CU. M 2.3 +-0.6 E-02 05/16 L.T. 1. E-02 05/06 05/13 1.34E 02 CU. M 3.0 +-0.6 E-02 05/23 L.T. 2. E-02 C5/13 Oi/20 1 37E 02 CU. M 2.7 +-046 E-02 06/03 L.T. 2. E-02 05/20 05/27 1 33E 02 CU. M 3.6 +-0.7 E-02 C6/07 L.T. 2. E-02 05/27 06/04 1 52E 02 CU. M 2.6 +-0.6 E-02 06/14 L.T. 9. E-03 06/04 06/10 1 15E 02 CU. M 3.5 +-0.8 E-02 06/21 L.T. 1. E-02 06/10 06/17 1.34E 02 CU. M 2.1 +-0.6 E-02 06/29 L.T. 1. E-02 C6/17 06/24 1.41E 02 CU. H 3.6 +-0.6 E-02 07/04 L.T. 6. E-03 06/24 07/01 1.34E 02 CU. M 1.9 +-0.6 E-02 CT/11 L.T. 6. E-03 Y O O O O -

O 0 ~ i f VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION , JEXPOSURE PATHWAY - AIRBORNE

COMPOSITE AIR PARTICULATE FILTERS (PCI/CU.M -)

STATION. NUMBER 05A STURGEON'S CREEK - 3.2 MI. 11 DEC. t

                                                                          ' DATE COLLECTED                                                                     04/01-07/01 GAMMA SPECTRUM ANALYSIS BE-7                                                                         7.16+-1.58E-02

. K-40 L.T. S. E-02 , MN-54 .L.T. 1. E-03 CO-58 L.T. 2. E-03 FE-59 L.T. 4. E-03 CO-60 L.T. 1. E-03 ZN-65 L.T. 4. E-03 ZR-95 L.T. 2. E-03 RU-103 L.T. 2. E-03 RU-106 L.T. 3. E-02 I-131 'L.T. 2. L-02 CS-134 L.T. 2. E-03 CS-137 L.T. 2. E-03 , BA-140 L.T. 6. E-03 , , CE-141 L.T. 4. E-03 CE-144 L.T. 3. E-02 i Til-228 L.T. 3. E-03 RADIOCHEMICAL ANALYSIS: Sr-89 L.T. 4. E-03 Sr-90 L.T. 4. E-04 4

VIRGINt A ELECTRIC C P0hER CCMPANY NORTH ANNA PCWER STATICN EXPOSURE PATNWAY - AIRECRNE AIR PARTICULATE E CHARCOAL FILTERS STATICN NUP8ER to LEVY-4.7 FI.115 OEG. COLL. TIME AP FILIER MID-COUNT CHARCDAL FILTER START STOP GROSS BETA TIME I-131 DATE DATE VOLUME UNITS (pct /CU- N I DATE TIME (PCI/CU. M I 04/01 04/08 1.45E 02 CU. M 2.2 *-0.6 (-02 04/18 L.T. 2. E-02 04/08 04/15 1 87E C2 CU. M 3.1 4-0.~ E-02 04/25 L.T. E-02 04/15 04/22 2.02E 02 CU. M 2.3 +-0.5 E-02 05/03 L. [-03 04/22 04/29 1.98E 02 CU. M 2.3 +-0.5 E-02 C5/12 '

                                                                                                                                                    .. E-02 C4/29  C5/06 2.02E                               02  CU. M                             1.9 +-0.*    E-02          05/16        L... 1. E-02 05/06  05/13 2.01E                               02  CU. M                            3.5 '-0.5     E-02          05/23        L .1. 1. E-02 C5/13  05/20 2.06E                               02  CU. M                            2.6 .-0.5     E-02          C6/03        L.T. 2. E-02 05/2C  05/27 2 00E                               02 C U. M                            2.1 +-0.4     E-02          C6/07        L.T. 1. E-C2 C5/27  06/34 1.37E                               02  CU. M                            4.0 +-0.7     E-02          06/14        L.T. 1. E-02 C6/04  06/10 1.56E                               02  CU. M                            2.3 +-0.6     E-02          04/21        L.T. 9. E-03 06/10  G6/li' 2.02E                              02 C U. M                            3 6 +-0.5     E-02          06/29        L.T. 1. E-02 C6/17  06/24 2.56E                               01  CU. M                             7.7 +-2.8    E-02          C7/04        L.T. 2. E-03 06/24   07/01 1 99E                              02  CU. M                            2.9 +-0.6     E-02          07/12        L.T. T. E-03 Y

0; i I I 1 l O O O ..

t D

o. O VIRGINIA ELECTRIC 4 POWER COMPANY

                                                                                                ,, NORTH ANNA POWER STATION t                                                                                                  EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU. M)

STATION NUMBER 06'

                                                                                                . LEVY-4.7 MI.115 DEG.-ESE 4

i 1' DATE COLLECTED 04/01-07/01 I- GAMMA _ SPECTRUM ANALYSIS [ BE-7 1.07*-0.15E-01

>-                                                                   K-40              L.T.     '2.                 E-02 MN-54             L.T.       1. E-03 CO-58             L.T.       1. E-03 FE            L.T.       3. E-03 Co-60             L.T.       1. E-03 i                                                                     ZN-65             L.T.       2. E-03 ZR-95.            L.T.       1. E-03

'. RU-103 L.T. 2. E-03 RU-106 L.T. 1. E-02 I-131 L.T. 1. E-02 ! CS-134 L.T. 1. E-03 1

                                                                   'CS-137             L.T.       1.                E-03
                                                                   .BA-140             L.T.       4.                E-03 CE-141            L . T .' ' 2.                E-03 CE-144            L.T.       6.                E-03 RA-226'           L.T.       2.                E-02
                        ?                                          ' Til-228         .L.T.        2.                E-03 RADI0 CHEMICAL ANALYSIS Sr-89            L.T.        2. E-03 l                                                                     Sr-90             1.8 +-1.0 E-04 l

l I l l . l

VIRGINIA ELECTRIC C PCWER CCMPANY NORTH ANNA POWER STATICh EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE & CHARCCAL FILTERS STATICN NUMB E R 07 BUMPA55-7.3 MI.167 DEC. COLL. TIME AP FILTER MID-COUNT CHARCOAL FILTER START STOP CROSS BETA TIME I-131 CATE DATE VOLUME UNITS IPC1/CU. M l CATE TIME IPCI/CU. M i 04/08 04/15 6.02E 01 CU. M L.T. 2. E-02 C4/25 L.T. 2. E-C2 04/15 04/22 1.34E C2 CU. M 2.8 +-0.7 E-02 05/04 L.T. 1. E-02 04/22 04/29 1.34E 02 CU. M 18 +-0.6 E-02 C5/12 L.T. 2. E-02 04/29 05/06 1 36E 02 CU. M 3.2 +-0.7 E-02 05/16 L.T. 1. E-02 C5/06 05/13 1.36E 02 CU. M 4.1 +-0.7 E-02 05/23 L.T. 1. E-02 05/13 05/20 1.20E C2 CU. M 4.0,+-0.8 E-02 06/C4 L.T. 2. E-02 05/20 05/27 1.35E 02 CU. M 3.5 +-0.7 E-02 06/07 L.T. 1. E-02 05/27 06/04 1.55E 02 CU. M 5.2 +-0.7 E-02 C6/14 L.T. 9. E-03 - G6/04 06/10 1.17E 02 CU. M 34 +-0.8 E-02 C6/21 L.T. 1. E-02 06/10 06/17 1 37E 02 CU. M 2.8 +-0.7 E-02 06/29 L.T. 1. E-02 C6/17 06/24 1.39E 02 CU. M 4.5 +-0.7 E-02 07/04 L.T. 5. E-03 C6/24 07/01 1.35E 02 CU. M 4.2 +-0.7 E-02 07/12 L.T. 1. E-02 Y O u O O O '

f 4

                                . O..                                                                                          O                                               O       -

t VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION !; EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE PILTERS i ., (PCI/CU.M ) STATION NUMBER 07 BUMPASS-7.3 HI.167 DEG.SSE i.

g.

e DATE COLLECTED 04/08-07/01 GAMMA SPECTRUM ANALYSIS

                                    .BE-7                                                                      1.17+-0.21E-01 i                                     K-40                                                                      L.T. 3. E-02 HN-54"                                                                    L.T. 2. E-03 CO-58.                                                                    L.T. 2. E-03 FE-59                                                                     L.T. 4. E-03 CO 60                                                                     L.T. 2. E-03 ZN-65                                                                     L.T. 3. -E-03

'. ZR-95 L.T. 2. E-03 4 RU-103' L.T. 2. E-03 4 'RU-106 L.T. 1. E-02 I-131 L.T. 2. E-02 > . CS-134 L.T. 2. E-03 CS-137 L.T. 2. E-03 , BA-140 L.T. 7. E-03 2 CE-141 L.T. 4. E-03 ( y- CE 144 L.T. 1. E-02 ,

, .       ;;                        'RA-226                                                                    L.T. 3. E-02                                                    -

TH-228 L.T. 3. E-03 RADIOCitEMICAL ANALYSIS: Sr-89 L.T. 3. E-03 Sr-90. 2.6 +-1.5 E-04 i I 4 b i l

VIRGINIA ELECTRIC C PCWER CCPPANY NCRTH ANNA POWER STATICN EXPOSURE PATHWAY - AIRECRNE AIR PARTICULATE & CHARCCAL FILTERS STATION NUMBER 21 RCUTE 685-1.0 MI.301 DEC. COLL. TIME AP FILTER M I D-COUN T START STOP GROS $ BETA CHARCOAL FILTER DATE DATE TIME 1-131 VOLUME UNITS (PCI/CU. P l DLTE TIME (PCI/CU. M 1 04/01 04/08 1.34E 02 CU. M 2.9 +-0.6 E-02 04/18 L.T. 2. E-02 04/08 04/15 1.33E 02 CU. M 3.1 +-0.7 E-G2 04/25 04/15 04/22 1 34E C2 C U. M 3.2 +-0 7 E-02 L.T. 2. E-02 05/04 L.T. 9. E-03 C4/22 04/29 1 3TE 02 CU. M 1.9 +-0 6 E-02 05/12 C4/29 05/06 1.33E 02 C U. M L.T. 2. E-02 2.3 +-0.6 E-02 05/16 L.T. 2. E-02 C5/06 05/13 1.35E 02 CU. M 3.6 +-0.6 E-02 05/23 05/13 05/20 1.38E 02 CU. M 3.2 +-3.6 E-02 L.T. 2. E-02 06/04 L.T. 1. E-02 C5/20 05/27 1.32E 02 CU. M 3.6 +-0.7 E-02 06/08 L.T. 2. E-02 - 05/27 06/04 1.54E 02 CU. H 4.8 +-0.7 E-02 C6/14 L.T. C6/04 06/10 1.16E 02 CU. M 9. E-03 4.0 +-0.8 E-02 06/21 L.T. 2. E-C2 06/10 06/17 1.35E C2 CU. M 3.4 +-0.7 E-02 06/29 L.T. C6/17 06/24 1.35E 02 C U. M 1. E-02 5.0 +-0.7 E-02 07/04 L.T. 6. E-03 06/24 07/01 1.34E 02 CU. M 4.0 +-0.7 E-02 C7/12 L.T. 9. E-03 ? G O G G -

_ . . , _ _ _ . _ __ _ _. . _ . . _ _ m ..__.._.....m .-- . . _ . _ . . _ . . . . . . . . . _ _ _ _ _ _ _ _ T O O O i VIRGINIA' ELECTRIC 4 POWER' COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU. M) * . STATION NUMBER 21 , ROUTE 685-1.0 MI.301 DEG.WNW DATE COLLECTED; 04/01-07/01 t i GAMMA SPECTRUN ANALYSIS

BE-7 9.55+-1.72E-02 '

K-40 L.T. 2. E-02 MN-54 .L.T. 1. E-03 . C0-58 L.T. 2. E-03 FE-59 L.T. 4. E-03 00-60 . L.T. 1. E-03 ZN-65 L.T. 3. E-03

                  .ZR-95                                 L.T. 2. E-03,                                                                                                       i RU-103                               L.f. 2. E-03 RU-106                               L.T. 1. E-02                                                                                                        ,

I-131 L.T. 2. E-02 > CS-134 L.T. 1. E l CS-137 L.T. 2. E-03 BA-149 L.T. 7. E-03

                  - CE-141                               L.T. 4     E-03 CE-144                               L.T. 1.   'E-02
      ?           .RA-226                                L.T. 3. E-02
     .g             TH 228                               L.T. 2. E-03 RADI0 CHEMICAL ANALYSIS:
                  .Sr-89                                 L.T. 4. E-03 St 40                                3.9 +-1.9 E-04 1

i i a f I P J

s VIRGINIA ELECTRIC E PCWER CCMPANY NCRTH ANNA PChER STATICN EXPO $URE PATHWAY - A!RECRNE AIR PARTICULATE & CHARCCAL FILTERS STATION NUP8ER 22 . RCUTE 703-1.0 MI.242 CEC. COLL. TIME AP FILTER HID-CO UN T CHARCOAL FILTER START STOP GROSS BETA TIME I-131 DATE DATE VOLUME UNITS (PCI/CU. M i DATE TIME (PCI/CU. M i 04/01 04/08 1.34E 02 CU. M 3.2 +-0.7 E-02 04/18 L . T .' 2. E-02 C4/08 04/15 1.35E 02 CU. M 2.8 +-0 6 E-02 C4/25 L.T. 1. E-02 C4/15 04/22 1 34E C2 CU. M 3.1 +-0.7 E-02 05/C4 L.T. 1. E-02 04/22 04/29 1.39E 02 CU. M 2.4 +-0.6 E-02 05/12 L.T. 2. E-Ce 04/29 05/06 1 30E 02 CU. M 2.5 +-0.7 E-02 05/16 L.T. 1. E-02 C5/06 05/13 1.35E 02 CU. M 3.7 *-0.6 E-02 (a) C5/13 05/20 1.37E 02 CU. M 3.0 +-0.6 E-02 06/03 L.T. 2. E-02 05/20 05/27 1.36E 02 CU. M 3.7 +-0.7 E-02 06/08 L.T. 1. E-02 05/27 06/J4 1 51E 02 CU. M 3.8 +-0.7 E-62 06/14 L.T. 8. E-03 06/04 06v10 1 16E 02 CU. M 3.5 +-0.8 E-C2 C6/23 L.T. 1. E-02 06/1C 06/17 1.35E 02 CU. M 3.4 +-0.7 E-O' 06/29 L.T. 8. E-03 C6/17 06/24 1.39E 02 CU. M 7.7 +-0.9 E-02 07/04 L.T. 7. E-03 06/24 07/01 1.34E 02 C U. M 4.3 +-0.7 E-02 07/12 L.T. 8. E-03 (a) Not analyzed ? d O O O .

                    ,     _ _ .      . _ - . _ _               _. _       m-    -     . . . ..             .

O O O

VT.RGINIA ELECTRIC 4 POWER COMPANY . FORTH ANNA POWER STATION , EXPOSURE PATHWAY - AIRBORNE

                                                           . COMPOSITE AIR PARTICULATE FILTERS A

(PCI/CU.M ) STATION NUMBER 22 ' ROUTE 700-1.0 MI.242 DEC.WSW t f

           $476 COLLECTED                            04/01-07/01 CAMMA SPECTRUN ANALYSIS I

BE-7 1.00+-0.20E-01 K-40 L.T. 5. E-02 MM-54 L.T. 2. E-0% CO-58 L.T. 2. E-03

                 .FE-59                              L.T. 5. E-03                                                                                     1 CO-60                              L.T. 2. E-03                                                                                     '
                 .ZN-65                              L.T. 3. E-03                                                                                  .

ZR-95 L.T. 2. E-03 l RU-103 L.T. 3. E-03 ku-106 L.T. 2. E-03 I-131 L.T. 2. E-02 CS-134 L.T. 2. E-03 ' CS-137 L.T. 2. E-03 BA-140 .L.T.

9. E-03 CE 141 L.T. 5. E-03

   ?              CE-144                             L.T. 1. E-02 U '            RA-226                             L.T. 3. E-02

TH-228 L.T. 3. E-03

         ' RAD 10 CHEMICAL ANALYSIS:

Sr-89 L.T. 4. E-03 Sr-90 4.7 + 2.0 E-04 t I _ _ = . - __

s VIRGINIA ELECTRIC C PCaER CCPPANY NCRTH ANNA P0hER STATIEh EXPO 5URE PATHWAY - AIRECRAE AIR PARTICULATE E CHARCCAL FILTERS STATION NUMBER 23 ASPEN HILL $-0.9 Pl.158 CEG. COLL. TIME AP FILTER M I D-CO UN T CHARCOAL FILTER

             $ TART STOP                                                             GROSS BETA                           TIME            I-131 OATE DATE                 VOLUPE     UNIT $                             IPCI/CU. M i                     DATE TIME       IPCI/CU. M I 04/01  04/08 1.36E                02 CU. M                            3.1 +-0.7 E-02                    04/td           L.T. 8. E-03 04/08  04/15 1.35E                C2 CU. M                            3.7 +-0.7 E-02                    04/25           L.T. 2. E-02 04/15  04/22 1.38E                02 CU. M                            3.0 +-0.7 E-02                    05/04           L.T. 1. E-02 C4/22  04/29 1.35E                02 CU. H                            2.7 +-0.6 E-02                    05/12           L.T. 2. E-02 C4/29 05/06   1.42E 02 CU. M                                          2.8 +-0.6 E-02                    05/16           L.T. 1. E-02 05/06  05/13 1.37E 02 CU. H                                           4.2 +-0.7 E-02                    05/23           L.T. 1. E-02 05/13  05/20 1 40E 02 C U. M                                          2.8 +-0.6 E-02                    06/05           L.T. 1. E-02 05/20 05/27   1.39E 02 CU. M                                          3.3 +-0.7 E-02                    06/08           L.T. 1. E-02 C5/2T  06/04 1 56E 02 CU. M                                           4.0 +-0.7 E-02                    06/14           L.T. 1. E-02 06/04  06/10 1 09E 02 Cu. M                                           5.1  +-0.9  E-C2                  06/21           L.T. 1. E-02 06/10  06/17 1.38E 02 CU. M                                           3.4  +-0.7  E-C2                  06/29           L.T. 8. E-03 06/17  06/24 1.39E 02 CU. M                                           5.4  +-0.7  E-02                  C7/04           L.T. 6. E-03 06/24 07/01   1.34E 02 CU. M                                          4.5  +-0.7  E-02                  07/12           L.T. 7. E-03

? li' O O O -

_ - - . - - .~ -

    ~::    .

l

.'         }l                                                                                                                 .-

VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE FILTERS (PCI/CU.M ) STATION NUMBERj23 ASPEN HILLS - 0.9 Mt.$.158 DEG.SSE DATE COLLECTED 04/01-07/01 ,

   ' GAMMA SPECTRUM ANALYSIS t

8E-7 1.47+-0.24E-01. E-40 2.13+-0.94E-02 FA-54 L.T. 1. E-03 CO-58 L.T. 2. E-03 PE-59 L.T. 5. E-03

          - CO-60             L.T.      1. E-03 ZN-65            L.T. 3. E-03                                                                                  .

i ZR-95 L.T. 2. E-03 RU-103 L.T. 3. E-03 - RU-106 L.T. 2. E-02 I-131 L.T. 3. E-02 CS-134 L.T. 2. E-03 CS-137 L.T. 2. E-03 i BA-140 L.T. 7. E-03 ' CE-141 L.T. 3. E-03 ? CE-144 L.T. 9. E-03 t % RA-226 L.T. 3. E-02 TH-228 L.T. 3. E-03 RADI0 CHEMICAL ANALYSIS: Sr-89 L.T. 3. E-03 I Sr-90 4.6 +-2.3 E-04 L I s i i I l r l

NORTH PATHWAY EXPOSURE AIR ANNA PCWER- AIR 1r STATICAVIRGINIA ELECTRIC C P0bE PARTICULATE E CHARCCAL FILTERS STATICN NUPOER 24 COLL. TIME START STOP ORANGE-22.0 Pl.325 DEG.(CCNTROLI AP FILTER CATE DATE VOLUME GROSS DETA UNITS M ID-COUN T 04/01 04/08 IPCI/CU. F i TIME CHARC0AL FILTER 04/08 04/15 1 34E 02 CU. M 31 +-0.7 E-02 CATE TIME 1-131 04/15 04/22 1.32E 02 C U. M 2.6 +-0.6 E-02 (PCI/CU. M i 04/22 04/29 1 32E 02 CU. M 2.8 +-O'7 E-02 04/18 L T. 2. C4/29 05/06 1.33E 02 C U. M 1.8 04/25 E-02 C5/06 05/13 1.33E 02 CU. M 3.5

                                                +-0.6 E-02 05/04           L.T. 2. E-02 05/13 05/20 1.33E 02     CU. M    4.3
                                                +-0.7 E-02 01/12           L.T. 7. E-03 05/20 05/27 1.33E 02 C U. M        2.4
                                                +-0.7 E-02 C5/16           L.T. 2. E-02 05/27 06/04   1.35E 02 C U. M     2.4
                                               +-0.6 E-02 05/23           L.T. 1. E-02 1.32E 02 C U. N     3.8
                                               +-0.6 E-02 06/05          L.T. 1. E-02 C6/04 06/1C 1.32E 02 C U.M              +-3.7 E-02                                      L.T.

3.2 +-3.7 E-02 C6/06 2. E-02 C6/10 06/17 1.32E 02 C U. M 3.3 06/14 L.T. 2. E-02 06/17 06/24 1.33E 02 CU. M 3. 7 *-0.7 E-02 06/22 L.1 1. E-02 C6/24 07/31 1.33E 02 CU. M +-0. 7 E-02 3.7 +-0.7 06/29 L.T. 1. E-32 E-02 07/04 L.T. 1. E-02 07/12 L.T. 9 E-03 L.T. 6. E-03

M l .. O O '

O O O - VIRGINIA ELECTRIC 4 POWER COMPANY , NORTH ANNA POWFA STATION ' EXPOSURE PATHWAY - AIRBORNE COMPOSITE AIR PARTICULATE FILTERS (PC(/CU.M ) STATION NUMBER 24 ORANGE-22.0 Mt.325 DEC.NW - 4 DATE COLLECTED .04/01-07/01 GAMMA SPECTRUM ANALYSIS , BE-7 9.71+-2.14E-02 K-40 L.T. 4. E-02 . NN-54 'L.T. 2. E-03 CO-58 L.T. 2. E-03 ,

         .FE-59       .          L.T     4.        E-03                                                f CO-60'                 L.T. 2.        E-03 ZN-65                  L.T. 3.        E-03
         'ZR-95                  L.T. 2.        E-03 RU-103                 L.T. 5.        E-03 RU-106                 L.T. 2.        E-02 I-131                  L.T. 2.        E-02 CS-134                 L.T. 2.        E-03 CS-137                 L.T. 2.        E-03 BA-140                 L.T. 8.        E-03
 ?       'CE-141                 L.T. 4.        E-03                                                 ,

y CE-144 L.T. 1. E-02 RA-226' L.T. 3. E-02 711-228 L.T. 3. E-03 RADI0 CHEMICAL ANALYSIS: Sr-89 L'. T . 3. E-03

        .St-90                   L.T. 3.        E-04 i

i h I l

TTS.EINNE ISOTOPES VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY - AIRBORNE WATER-PRECIPITATION (pCI/ LITER) STATION NUMBER 01 ONSITE-0.2 M1. 42 DEG DATE COLLECTED 04/01-04/30 05/01-05/31 06/01-06/30 91/01-06/30 RADI0 CHEMICAL ANALYSIS: CR-B 8.1 +-0.9 E 00 pC1/11ter 6.9 *-1.1 E 00 Insufficient sample NR GR B 6.1 +-0.7 E-01 nC1/sq.m. 4.1 +-0.1 E-01 - NR Inches of rain 2.97 inches 2.35 inches 0.56 inches NR H-3 NR NR NR 3.7 +-0.9 E 02 GAMMA SPECTRUM ANALYSIS: BE-7 NR NR NR L.T. 6. E 01 K-40 L.T. 1. E 02 HN-54 L.T. 5. E 00 CO-58 L.T. 5. E 00 FE-59 L.T. 1. E 01 CO-60 L.T. 6. E 00

 .      ZN-65                                                                                                  L.T. 1. E 01 L

ZR-95 L.T. 6. E 00 RU-103 L.T. 8. E 00 RU-106 L.T. 5. E 01 1-131 L.T. 2. E 01 CS-134 L.T. 6. E 00 CS-137 L.T. 6. E 00 BA-140 L.T. 1. E 01 CE-141 L.T. 1. E 01 CE-144 L.T. 4. E 01 RA-226 L.T. 1. E 02 TH-228 L.T. 1. E 01 O O O -

O O O - VIRGINIA ELECTRIC C POWER CCPPANY *- NORTH ANNA POWER STATICN E XPOSURE P ATHWAY - AIPECRNE

                                                                                                                                    $CIL

IPCI/GM ORY I STATION NUP8ER v1 OASITE-o.2 M1.42 CEG DATE COLLECTED 05/.17 i RACIOCHEMICAL ANALYSIS SR-89 L.T. 2. E-01 SR-90 L.T. 8. E-02 GAPMA SPECTRUM ANALYSIS 8E-7 L.T. 4. E-01 K-40 1.77+-0.18E 01 MN-54 L.T. 4. E-02 CO-58 - L.T. 4. E-02 FE-59 L.T. 1. E-01 C0 L.T. 4. E-02' EN-65 L.T. 9. E-02 ZR-95 L.T. 4. E-02 RU-103 L.T. 5. E-02 RU-106 L.T. 4. E-01 I-131 L.T. 3. E-01 C5-134 L.T. 5. E-02 CS-137 L.T. 4. E-02 8A-140 L. T. 2. E-01 CE-141 L.T. 6. E-02

                            ?       CE-144                                                              L.T. 2. E-91                                       '

M RA-226 3.16+-0.57E 00 TH-228 1.61+-0.16E 00 s tm..

VIRGINIA ELECTRIC E PCWER CCPPANY NCRTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRECRAE 5C IL IPCI/CM CRY l STATION NUMBER C2 FREDERICKS HALL-5.3 MI. 225 CEG. DATE COLL ECTED 05/27 GAPMA SPECTRUM ANALYS15 BE-7 L.T. 3. E-01 K 8.Sl+-0.89E 00 Mh'- 5 4 L.T. 3. E-02 00-58 L.T. 4 E-02 FE-59 L.T. 9. E-02 CO-60 L.T. 3. E-02 ZN-65 L.T. 1. E-01 ZR-95 L.T. 5. E-02 90-133 L.T. 4. E-02 RU-106 L.T. 3. E-01 I-131 L.T. 3. E-01 CS-134 L.T. 4. E-02 CS-137 1 57+-0.18E-01 BA-140 L.T. 2. E-01 CE-141 L.T. 6. E-02 CE-144 1.86+-0.84E-01 RA-226 9.57+-1.01E-31 TH-228 7.64+-C.76E-01 ,

O i e O O O -

i O O O - 1 VIRGINIA ELECTRIC 6 PCWER COMPANY NCRTH ANNA POWER STATICN !- EXPOSURE PATHWAY - A!RECRNE

50 IL t (PCl/GM CRV I STATI0h NO"80R C3 MINERAL-7.1 #1.243 CEG.

DATE COLLECTED 05/27 GAMMA SPECTRUM ANALY$l$ , BE-7 L.T. 6. E-01 K-40 6.41+-0.90 E 00 5 - MN-54 L.T. 5. E-02 t CO-58 L.T. 5. E-02 FE-59 L.T. 1. E-01 CO-63 L.T. 5. E-02 ZN-65 L.T. 1. E-01 2R-95 L.T. 7. E-02 RU-103 L.T. 7. E-02 RU-106 L.T. 5. E-01 I-131 L.T. 5. E-01 CS-134 L.T. 6. E-02 C5-137 1.02+-0.10E 00

BA-140 L.T. 2. E-01 CE-141 L.T. 1. E-01 CE-144 L.T. 4. E-01 RA-226 1.62+-0-91E 00 TH-228 9.42+-0.94E-01 Y

a . I I

s VIRGlHIA ELECTRIC C P0hER CCPPANY NORTH ANNA PCWER STATICA EXPOSURE PATHWAY - AIRECRNE 50 tL (PCI/CM CRY l STATION NUNRER C4 WARES CR055pcA05-5.1 Pl.287 CEG. DATE COLLECTED 05/27 GAMMA SPECTRUM ANALYSIS BE-7 L.T. 5. E-01 K-40 1.64+-0.16E 01 MN-54 L.T. 4. E-02 Co-58 L.T. 5. E-02 FE-59 L.T. 1. E-01 CO-60 L.T. 4 E-02 IN-65 L . T ., 1. E-01 ZR-95 L.T. 6. E-02 RU-103 L.T. 7. E-02 RU-106 L.T. 4. E-01 1-131 L.T. 5. E-01 C5-134 L.T. 6. E-02 C5-137 L.T. 5. E-02 8A-140 L.T. 2. E-01 CE-141 Lai. 8. E-02 CE-144 L.T. 2. E-01 RA-226 1.67+-0.55E 00

 ,       IH-228        1.T86 ~).18E 00 b

O O O -

O O- O - VIRGINIA ELECTRtc & PCWER CCPPANY .. NORTH ANNA PCWER STATICN EXPOSURE PATHWAY - AIRECRNE 5C IL (PCI/GM CRV l. STATION NUMBER C5 GODO HOPE CHURCH-4.2 PI.20 CEG. D ATE COLL ECTED 05/27 GAPMA SPECTRUM ANALYS!$ BE-7 L.T. 6. E-0E K-40 1.13+-0.11E 01 k' _MM-54 L.T. 5. E-02 2 CP-58 L.T. 5. E-02 FL-59 L.T. 1. E-01 CO-63 L.T. 5. E-02 ZN-65 L.T. 1. E-01 - ', IR-95 L.T. 7. E-02 i i-RU-103 L.T. 7. E-02 RU-106 L.T. 5. E-01

,                      I-131                                L.T. 5.              E-01 1-                    CS-134                                 L.T. 6.              E-02 CS-137.                                6.53+-0.65E-01 BA-140                                 L.T. 3.              E-01 CE-141                                 L.T. 9.                E-02 CE-144                                 L.T. 3.              E-01 RA-226                                 1 81+-0.65E 00 1         .            TH-228                                1.03+-0.18E 00 b

t 1 4 0 i

VIRGINIA ELECTRIC & PChER CCFPANY NORTH ANNA PCWER STATIEN EXPOSURE PATHWAY - AIRECHNE 50iL (PCI/CM ORY I STATICh NUMBER CSA STORGEON'S CREEK-3.2 Pl. 11 EEG. DATE COLLECTED 0$/I7 GAPNA SPECTRUM ANALY$l$ DE-7 L . Y. 4. E-01 K-40 5.5S+-0.56E 00 HN-54 L.T. 3. E-02 C0-58 L.T. 4. E-02 FE-59 L.T. 1. E-01 CO-60 L.T. 3. E-02 IN-65 L.T. 7. E-02 - 2R-95 L.T. 4. E-02 RU-103 L.T. 5. E-02 RU-106 L.T. 3. E-01 1-131 L.T. 4. E-01 CS-134 L.T. 4 E-02 C5-137 1.16+-0.12E 00 DA-14) L.T. 2. E-01 , CE-141 L.T. 8. E-02 CE-144 L.T. 2. E-01 RA-226 1.10+-0.55E 03 TH-228 1.00+-0.10E 00

u

                                                                                                                                                                                     *e O                                                                                  O O  -

O O O - VIRGINIA ELECTRtc & PCwER COMPANY. .. NCRTH ANNA PCWER STATIEh EXPO $URE PA"1WAY - AIRECRNE ,

                                                                                            ', CIL                                                                                  I (PCI/GM DRY l-SfAil0N NUPDER G6

- LEVY-4.7 MI.115 DEG. 5 y DATE COLLECTE0 05/27 GAPMA $PECTRUN ANALYSIS 8E-7 L.T. 6. E-01 ' K-40 8.24+-0.86E 00 Mid- 5 4 L.T. 5. E-02 CO-58 L.T. 6. E-02 FE-59 L.T. 2. E-01 C0-60 L.T. 5. E-02 ZN-65 L.T. 1. E-01 2R-95 L.T. 7. E-02 RU-103 ~ L.T. 8. E-02 RU-106 L.T. 5. E-01 1-131 L.T. 6. E-01 C5-134 L.T. 7. E-02 CS-137 2 89+-0.50E-01 BA-14) L.T. 3. E-01

                            ~CE-141                      L.T.              1. E-01
                            'CE-144                      L.T.              3. E-d1 RA-226                       2.07*-0.22E 00 TH-228                       1.92+-0.19E 00
         ?

W l - - - - _ _ - __

VIRGINIA ELiCTRIC C PCWER CCPPANY NGRTH ANNA PCWER STATICh EXPOSURE PATHWAY - AIRECRNE 5CIL IPCI/CM ORY I STATION NUPRER 01 BUPPA55-7.3 Pl.167 CEG. DOTE COLL ECTED 05/27 CAPMA SPECTRUM ANALYSIS BE-7 L.T. 4. E-01 K-40 8.74+-0.87E 00 MN-54 L.T. 4. E-02 CO-58 L.T. 4. E-02 FE-59 L.T. 1. E-01 CO-60 L.T. 4. E-02 IN-65 L.T. 8. E-02 2R-95 L.T. 4. E-02 RU-103 L.T. 5. E-02 RU-106 L.T. 3. E-01 1-131 L '. T . 4. E-01 C5-134 L.T. 4. E-02 C5-137 9.70+-3.69E-02 BA-14) L.T. 2. E-01 CE-141 L.T. 8. E-02 CE-144 L.T. 2. E-01 RA-226 2.12+-0.57E 00 TH-228 1.45+-0.14E 00

M l l O O O .

O O O . VIRGINIA ELECTRIC C PCWER CCPPANY .. , NCRTH ANNA PChER ST AT ICN ENPOSURE PATHW AY - AIRECRNE 5CIL IPCI/GM CRY I STATICh NUMBER 21 RCUTE 685-1.0 Mt.301 CEG. DATE COLL ECTED 05/2T QACIOCHEMICAL ANALYSIS ,

                                    $R-89        L.T. 2. E-01 SR-90        8.4 +-4.5 E-02 CAPMA SPECTRUM ANALY$l$

BE-7 L.T. 7. E-01 K-40 1.24+-0.12E 01 l MN-54 L.T.' 6. E-02 CO-58 L.T. 6. E-02 FE-59 L.T. 2. E-01 i CO-60 L.T. 6. E-02 ZN-65 L.T. 1. E-01 ZR-95 L.T. 7. E-02

                                   '?'-103       L.T. 8. E-02 RU s'4       L.T. 5. E-01 1-131      L.T. 7. E-01                                                                              ,

CS-134 L.T. 6. E-S?' C5-13T 1.066-0 11E 00 i BA-140 L.T. 2. E-01 CE-141 L.T. 1. E-01 '

                                                                                                      <                                      6 y                           CE-144       L.T. 4. E-01                                                                             .

3: RA-226 L.T. 1. E 00 TH-228 9.36+-0.94E-01 ,

VIRGINIA ELECTRIC C PCWER CCPPANY NCRTH AhNA PChER STATIEN EXPOSURE PATHWAY - AIRECRNE

                                                       $CIL IPCt/GM CRY l STATIch hureER 22 ROUTL 700-1.0 MI.242 CEC.

DATE COLLECTED 05/27 RACIOCHEMICAL ANALY$l$ SR-89 L.T. 4. E-01

                   $R-90     L.T. 1. E-01 GAPMA SPECTRUM ANALYS!$

BE-7 L.T. 7. E-01 K-40 1.53+-0.15'd 01 NN-54 1.00+-0.52E-01 CO-58 L.T. 7. E-02 FE-59 L.T. 2. E-01 CO-60 L.T. 6. E-02 ZN-65 L.T. 1. E-01 ZR-95 L.T. 8. E-02 R U- 10 3 L.T. 9. E-02 RU-1G6 L.T. 6. E-01 1-131 L.T. 6. E-01 C$-114 L.T. 8. E-02 C5-137 L.T. 7. E-02

      ,            BA-14)    L.T. 4. E-01
      &            CE-141    2.14+-1.16E-01

CE-144 L.T. 4. E-01 .

RA-226 5.20+-0.94E 00 TH-228 4.73+-0.475 00 O O O ..

O - O O - VIRGINIA ELECTRIC & PCwtR COPPANY .. NCRTH AhNA PChER STATICh EXPO 5URE PATHW AY - AIRECRNE 5CIL (PCI/CM CRY l STATION NUM8ER 23 ASPEN HILLS-0.9 PI.158 CEG. DATE COLLECTED 05/27 DADIOCHEM! CAL ANALYSIS SR-09 L,T. 2. E-01 SR-9G L.T. 5. E-02 GAPMA SPECTRUM Ah4Lv5tS 8E-7 L.T. 9. E-01

K-40 2.37+-0.24E 01 l MN-54 L.T. 8. E-02 CO-58 L.T. 8. E-02 FE-59 L.T. 2. E-01 CO-60 L.T. 6. E-02 ZN-65 L.T. 2. E-01 2R-95 L.T. 1. E-01 RU-103 L.T. 1. E-01 RU-106 L.T. 7. E-01 I-131 L.T. 1. E 00, C5-134 L.T. 1. E-01 C5-137 L.T. 8. E-02 BA-14J L.T. 5. E-01 CE-141 L.T. 1. E-01 CE-144 L.T. 4 E-01

   ?       RA-226        4.85+-0.871 00
   $       T H-228       4.41+-0.44E 00 1

l l . _ - _ _ _ _ _ . _ _ _ _ _

VIRGINIA ELECTRIC C PChER CCPPANY NCRTH AhNA PChER STATIEh ENPOSURE PATHWAY - AIReCRNE 5C IL IPCI/GN ORY l STAil0N NUPBER 24 ORANGE-22.0 Pt.325 DEC.ICCNTROLI DATE COLLECTED CS/2T RAC10 CHEMICAL ANALYSIS

                 $P*- 8 9       L.T. 3. E-01 SR-90          L.T. 9. E-02 GAPMA SPECTRUM ANALYSIS BE-7           L.T. 6. E-01 K-40           L.T. 1. E 00

NN-54 L.T. 5. E-02 C0-58 L.T. 5. E-02 FE-59 L.T. 1. E-01 CO-60 L.T. 4. E-02 th-65 L.T. 1. E-01 ER-95 L.T. 6. E-02 RU-103 L.T. 7. E-02 RU-106 L.T. 4 E I-131 L.T. 7. E-01 C5-134 L.T. 5. E-02 CS-13T L.T. 4 E-02 B A- 14 ) L.T. 2 E-01 CE-141 L.T. 1. E-01

             =   CE-144         L.T. 3. E-01 O

RA-226 L.T. 7. E-01 T H-2 2 8 5.20+-0.52E-01 O O @ -

      ---___----.N o                                                                          .,

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O
VIRGINtA 212CTRIC AND POWER COWANY NORTH AKIA POWER STATIM 12POStRE PATitWAY-AMl!ENT CA>6R RADIAT!W .
TLD (ar/QtMRTER) '

SAMPLE. STATION

str/ year 1st QtRRTER 2nd QUARTER 3rd QtmRTTR 4th QUARTER AN M L ,

N'XI.!DE NtDGER 12/26/79-03/25/80 03/25/80-06/24/80

- 06/26/79-06/24/93 TLD .01 19.421.2 21.821.1 74.321.2 CAnn 02 13.620.2 16.410.6

4 59.520.9 l~ ,RADIATIm 03 12.210.1 15.210.5 57.921.3 04 13.420.6 15.720.5 48.627.0(L) 05 15.320.4 20.320.9 68.011.1 OSA 16.510.2 17.920.4 57.521.2 06 20.210.1(H) 24.010.4(H)

~ 92.021.8(H) . 07 14.510.3 18.120.7

72.921.6 21 14.010.6 17.120.6 75.310.3

                                          ,                  22                                                   18.220.3                  22.020.7                                                                   75.311.0 23                                                   19.420.5              S 24.210.8

' . 89.510.7 24 8.720.e(L3 14.1 0.2(L) 51.2 to. 7(L)

          *f    TLD                                          ALL                                     15.513.4 mr/90 days                18.923.5 mr/91 days s                                                                                                                                                                                                        68.5114.0 ar/364 days o     CAStA                                        mean 2                                 0.1720.04 mr/ day                       0.2110.04 ar/ day                                                      17.123.5 mr/ quarter

, RADIATION 1 sigma H = highest 0.1920.04 ar/ day L = lowest l STATION STATION *

- ~

NUMBER LOCATION AND DIRECT!0N NDBER LOCATIGt AND DIRECTION , 01 ON SITE-0,2 al. 42 deg. C6 LEW-4.7 al.115 deg. - 02 FREDERICKS HALL-5.3 mi. 225 deg. 07 ' StD! PASS-7.3 mi. 167 deg. 03 MINERAL-7.1 al. 243. 21 RottfE 685 1.0 al. 301 deg. 04 WARES CROSSROADS-5.1 mi. 247 deg. 22 ROUTE 700-1.0 al. 242 deg.

05 GOOD !! OPE (21URut-4.2 at. 2C Ag. 23 ASPEN ttIL13-0.9 mi.158 deg.

05A STU EEON's CREEK-3.2 mi. 11 deg. 24 ORANCE-22.0 m1. 325 deg. d

VIRGINIA ELECTRIC C PChER CCPPANY NCRTH ANNA PCWER STATICh EXPOSURE PATHWAY - WATERBCRNE WATER - SURFACE IPCI/ LITER I STATIch NUPOER C8 DISCHARGE LAGCONS-1.1 PI.1'8 DEG. DATE COLLECTED 04/16 04/16-06/17 05/19 06/17 06/25 RADI0 CHEMICAL ANALYSIS

                 $R-89                  NR                                L.T. 3. E 00    NR             NR                L.T. 2. E 00 SR-90                  NR                                5.4 +-2.7 E-01     NR             NR                L.T. 4. E-01 1-131                  L.T.                   4  E-01    NR                 L .T . 4. E-01 L.T. 5. E-01  L.T. 2. E-01 GAMMA SPECTRUM ANALYSIS BE-7                   L.T.                   7. E 01    NR                 L.T. 6. E 01 L.T. 6. E 01  L.T. 5. E 01 K-40                   L.T.                   2. E 02    NR                 L .T . 1. E 02 L.T. 2. E 02  L.T. 1. E 02 NN-54                 'L.T.                   6. E 00    NR                 L .T . 6. E 00 L.T. 7. E C0  L.T. 6. E 00 C0-58                  L.T.                   7. E 00    NR                 L.T. 6. E 00 L.T. 7. E 00  L.T. 6. E 03 FE-59                  L.T.                   1. E 01    NR                 L.T. 1. E 01 L.T. 1. E 01  L.T. 1. E 01 CO-60                  L.T.                   6. E 00    NR                 L .T . 7. E 00 L.T. 7. E 00  L.T. 6. E 00 ZN-65                  L.T.                   1. E 01    NR                 L.T. 1. E 01 L.T. 1. E 01  L.T. 1. E 01 2R-95                  L.T.                   7. E 00    NR                 L.T. 6. E 00 L.T. 7. E 00  L.T. 6. E CJ RU-103                 L.T.                   8. E 00    NR                 L.T. 7. E 00 L.T. 7. E 00  L.T. 7. E OJ R U- 10 6              L.T.                   6. E 01    NR                 L.T. 6. E 01 L.T. 6. E 01  L.T. 5. E 01 I-131                  L.T.                   2. E 01    NR                 L.T. 1. E 01 L.T. 2. E C1  L.T. 1. E 01 y               CS-134                 L.T.                   7. E 00    NR                 L.T. 7. E CO L.T. 7. E 00 L.T. 6. E 00
 =               CS-137                 L.T.                   7. E 00    NR                 L.T. 6. E 00 L.T. 7. E 00  L.T. 6. E CO BA-140                 L.T.                   2. E 01    NR                 L .T . 1. E 01 L.T. 1. E 01  L.1. 1. C 01 CE-141                 L.T.                   2. E 01    NR                 L.T. 2. E 01 L.T. 2. E 01  L.T. 1. E 01 CE-144                 L.T.                   7. E 01    NR                 L.T. 7. E 01 L.T. 6 .' E 01  L.T. 5. E 01 RA-226                 L.T.                   2. E 02    NR                 L.T. 2. E 02 L.T. 2. E 02  L.T. 1. E 02 TH-228                 L. T.                  1. E 01    NR                 L.T. 1. E 01 L.T. 1. E 01  L.T. 1. E 01 TRITIUM ANALYSIS H-3                    NR                                8.2 +-0.9 E 02     NR             NR                7.4 +-0.9 E 02 O                                                                             O                                              O .

F VIRGINIA ELECTRIC & PCWER CCPPANY- .. NORTH ANNA PCWER STATICh EXPOSURE PATHWAY - WAftR8CRNE WATER - SURFACE (PCI/ LITER I STATION NUMBER C1 LAKE ANNA, UPS-2.2 MI. 320 CEG. ICONTROL) DATE COLLECTED 04/16 04/16-06/17 05/19 06/17 RADIOCHEMICAL ANALYSIS SR-89 'MR L.T. 3. E 03 NR NR SR-90 NR 5.'6 +-2.3 E-01 NR NR 1-131 L.T. 2. E-01 NR L.T. 4. E-01 L.T. 3. 2-01 GAPMA $PECTRUM ANALYSIS 4 8F-7 L.T. 6. E 01 NR L .T . 5. E 01 L .T . 7. E 01

t' K-40 L.T. 1. E 02 NR L.T. 1. E 02 ' L.T. 1. E 02 MN-54 L.T. 6. E 00 NR L.T. 5. E 00 L.T. 6. E 00 CD-58 L.T. 6. E 00 NR L.T. 5. E 00 L.T. 7. E 00 FE-59 L.T. 1. E 01 NR L.T. 1. E 01 L.T. 1. E 01 Co-60 L.T. 6. E 00 NR L.T. 6. E 00 L.T. 7. E 00 2N-65 L.T. 1. E 01 NR L.T. 1. E 01 L.T. 1. E 01 2R-95 L.T. 7. E 00 NR L.T. 6. E 00 L.T. 7. E 00 RU-103 L.T. 8. E 00 NR L.T. 7. E 00 L.T. 8. E 00 RU-106 L.T. 6. E 01 NR L.T. 5. E 01 L.T. 6. E 01 1-131 L.T. 2. E 01 NR L.T. 1. E 01 L.T. 2. E 01

   ?      CS-134          L.T. 6. E 00    'NR                L.T.      6. E   00  L.T. 7. E 00 0      C5-137-         L.I. 6. E 03     NR                L .T . 5. E   00 L.T. 7. E C0 BA-140         L.T. 2. E 01     NR                 L.T. 7. E   00 L.T. 1. E 01 CE-141           L.T. 2. E 01     NR                L .T . 1. E   01  L.T. 2. E 01    .

, CE-144 L . T .- 6. E 01 NR L.T. 5. E 01 L.T. 6. E 01 i R A- 2 2 6 .. L.T. 1. E 02 NR L .T . 1. E 02 L.T. 2. E 02 r TH-228 L.T. 1. E 01 NR L.T. 8. E 00 L.T. 1. E C1 TRITIUM ANALYSIS } H-3 NR 4.3 +-0.7 E 02 NR NR 1 6 [

VIRGINIA ELECTRIC C PCWER COMPANY NORTH ANNA PChER STATIEh EXPOSURE PATHWAY - WATERBORNE WATER - RIVER IPCI/ LITER I STATICN NUPSER 11 NORTH ANNA R.COWNS-5.8 Pl.128 DEC. DATE COLLECTED 06/16 RADIOCHEMICAL ANALYSIS 5R-89 L.T. 3. E 00 SR-90 L.T. 7. E-01 CAMMA SPECTRUM ANALYSIS BE-7 L.T. 5. E 01 K-40 L. T. 1. E 02 MN-54 L.T. 5. E 00 CO-58 L.T. 6. E 00 FE-59 L.T. 1. E 01 CO-60 L.T. 6. E 00 ZN-65 L.T. 1. E 01 ZR-95 L.T. 6. E 00 RU-103 L.T. 6. E 00 RU-106* L.T. 5. E 01 I-131 L.T. 1. E 01

                 ?      C5-134                    L.T. 6. E 00 0      C5-137                    L.T. 6. E 00 BA-14)                    L.T. 1. E 01 CE-141                    L.T. 1. E 01 CE-144                    L.T. 5. E 01 RA-226                    L.T. 1. E 02 TM-228                    L. I. 1. E 01 TRITIUM ANALYSIS H-3                       7.7 +-0.9 E 02 O                                                                 O        O -

                                                         . _ ~      -       _.-.            . --._   _-        - .   . ..       ..

6 O O O . VIRGINIA ELECTRIC C PCWER CORPANY NCRTH ANNA POWER STA.TICN 4 EXPOSURE PATHWAY - WATER 8CRNE WATER - GRCUNC (PC1/ LITER I STATION NUPBER 01 ONSITE-0.2 MI.42 CEG DATE COLLECTED 06/24 . R ACIDCHEMICAL ANALYSIS SR-89 L.T. 2. E 00 SR-90 L.T. 4. E-01* GAPMA SPECTRUM ANALYSIS

BE-7 L.T. 8. E 01
K-40 L.T. 2. E 02 MN-54 L.T. 7. E 00 CO-58 L.T. 7. E 00 FE-59 L. T. - 2. E 01 Com63 L.T. 8. E 00

' 2N-65 L.T. 2. E 01 2R-95 L.T. 8. E 00 RU-103 L.T. 9. E 00 RU-106 L.T. 7. E 01 1-131 L.T. 2. E 01 Y C5-134 L.T. 8. E 00 I CS-137 L.T. 7. E 00 BA-140 L.T. 1. E 01 CE-141 L.T. 2. E 01 CE-144 L.T. 8. E 01 ' RA-226 L.T. 2. E 02 T H- 22 8 L.T. 2. E 01 TRITIUM ANALYSIS H-3 L.T. 1.0 E 02 I 4 i

VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY - INGESTION MILK (PC1/ LITER) STATION NUM8ER 12 HOLLADAY DAIRY-8.3 MI.310 DEG. DATE COLLECTED 04/17 05/14 06/16 04/17-06/16 RADI0 CHEMICAL ANALYSIS SR-89 NR NR NR L.T. 5. E 00 SR 90 NR NR NR 3.1 +-0.6 E 00 I-131 L.T. 4. E-01 L.T. 4. E-01 L.T. 4. E-01 NR e GAMMA SPECTRUM ANALYSIS BE-7 L.T. 8. E 01 L.T. 7. E 01 L.T. 7. E 01 NR K-40 1.05+-0.14E 03 1.10+-0.14E 03 1.12+-0.14E 03 NR MN-54 L.T. 8. E 00 L.T. 8. E 00 L.T. 7. E 00 NR CO-58 L.T. 8. E 00 L.T. 8. E 00 L.T. 7. E 00 NR FE-59 L.T. 2. E 01 L.T. 2 E 01 L.T. 2. E 01 NR Co-60 L.T. 9. E 00 L.T. 8. E 00 L.T. 8. E 00 NR ZN-65 L.T. 2. E 01 L.T. 2. E 01 L.T. 2. E 01 NR 2R-95 L.T. 8. E 00 L.T. 8. E 00 L.T. 7. E 00 NR Y RU-103 L.T. 9. E 00 L.T. 9. E 00 L.T. 8. E 00 NR O RU-106 L.T. 8. E 01 L.T. 7. E 01 L.T. 8. E 01 NR 1-131 L.T. 1. E 01 L.T. 1. E 01 L.T. 1. E 01 NR CS-134 L.T. 9. B 00 L.T. 9. E 00 L.T. 8. E 00 NR

CS-137 L.T. S. E 00 L.T. 8. E 00 L.T. 8. E 00 NR BA-140 L.T. 1. E 01 L.T. 1. E 01 L.T. 8. E 00 NR CE-141 L.T. 2. E 01 L.T. 2. E 01 L.T. 2. E 01 NR CE-144 L.T. 9. E 01 L.T. 8. E 01 L.T. 8. E 01 NR RA-226 L.T. 2. E 02 L.T. 2. E 02 L.T. 2. E 02 NR TH-228 L.T. 2. E 03 L.T. 2. E 01 L.T. 2. E 01 NR O O O .

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na as na na na na na na na na nJ sL w na na na saa as as ce se o e e e o e e e o e e e o e e e e e e in en O e @ *e b == e > e m > > b en en se .* e

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O == 0 ==*= se H E I 4 ee at se .* M O O == O == c O O == O O O se == *e =e ek aa d O OOOOOOOOOOOOCOOOOO M e aa e e U at E en sa na na as as as na sa na na na na as na na na na ua na e* af k na D e as ma 4 > E e2 .e. 0= 3 3 == .a e *

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VIRGINIA ELECTRIC 4 POWER COMPANY NORTH ANNA POWER STATION EXPOSURE PATHWAY-INGESTION MILK (PCI/ LITER ) STATION NUMBER 14A 06/16 04/17-06/16 04/17 05/14 DATE COLLECTED RADI0 CHEMICAL ANALYSIS L.T. 5. E 00 NR NR 2.4 +-0.4 E 00 NR NR SR-89 NR NR L- 5. 4. E-01 NR . SR-90 E-01 L.T. 3. E-01 L.T. 5. I-131 GAE.4A ?f*CTRUM ANALYSIS

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O 0 O - VIRGINIA ELECTRIC C POWER CCMPANY .* NORTH ANNA PCWER STATIEh EXPOSURE PATHWAY - INGESTION F ISH (PCI/GM WET .I STATICN NUMBER C8 OtSCHARGE LAG 00NS-1.1 PI.148 DEG. DATE COLLECTED 0V25 GAMM A SPECTRUM ANALYSIS BE-7 L.T. 3. E-01 K-40 2 49+-0.43E 00 MN-54 L. T. 3. E-02

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                    =

I 4

VIRGINIA ELECTRIC & PChER CCMPANY NORTH ANNA POWER STATIEN EXPO 5URE PATHWAY - INGESTION F I 5H (PCI/GM WET I STATION NUMBER (9 LAME ANNA. UPS-2.2 Pl. 320 CEG. ICONTROLI DATE COLLECTED 04/25 GAPMA SPECTRUM ANALYSIS BE-7 L.T. 3. E-01 K-40 1.73+-0.66E 00 MN-54 L.T. 3. E-02 C0-58 L.T. 3. E-02 Ft-59 L.T. 6. E-02 CO-60 L.T. 3. E-02 FN-65 L.T. 8. E-02 ZR-95 L.T. 3. E-02 RU-103 L.T. 4. E-02 RU-106 L.T. 3. E-01 I-131 L.T. 8. E-02 CS-134 L.T. 4. E-02 CS-137 L.T. 5. E-02 BA-14) L.T. 6. E CE-141 L.T. 5. E-02 CE-144 L.T. 2. E-01 RA-226 L.T. 6. E-01 TH-228 L.T. 5. E-02 w l i l 9 O O - l

1 l \ .

    '. e TTELEDYNE ISOTOPES i

O 111IRD QUARTER 1980 1 1 I I

i I O l i I O. IC

W TELEDYNE ISOTOPES TABLE OF CONTENTS THIRD QUARTER 1980 PAGE SUM 4ARY AND DISCUSSION OF RESULTS LIST OF TABLES 3C LIST OF FIGURES 3C EXCEPTIONS AND SPECIAL EVENTS 4C AIRBORNE EXPOSURE PATHWAY SC DIRECT EXPOSURE PATHWAY 10C WATERBORNE EXPOSURE PATHWAY 13C INGESTION EXPOSURE PATHWAY 19C CONCLUSIONS 23C O O 2C

W TELEDYNE ISOTOPES LIST OF TABLES ({])~s THIRD QUARTER 1980 l PAGE l t TABLE 4 Remp Summary - Airborne Exposure 6C TABLE 5 Remp Summary - Direct Exposure SC TABLE 6 Remp Summary - Waterborne Expos. 12C TABLE 7 Reap Summary - Ingestion Exposure 15C LIST OF FIGURES ;

                             .                 THIRD QUARTER 1980 FIGURE 3 Airborne Exposure - Gross Beta and Ce-144 (1977-1980)  7C FIGURE 4 Direct Exposure - Environmental TLD (1977-1980)       11C FIGURE 5 Waterborne Exposure - Tritium (1977-1980)             14C FIGURE 6 Ingestion Exposure - Sr-90 (1977-1980)                20C O.

l l I l . O: 3C

SPTELEDYNE ISOTOPES EXCEPTIONS AND SPECIAL EVENTS TilIRD QUARTER 1980 JULY 1, 1980 - SEPTEMBER 30, 1980 lll EXCEPTIONS During the third quarter of 1980 the radiological environmental monitoring program was followed with the exceptions listed below. collection pathway sample station period exception Airborne AP,C 03 07/01-07/08 station out of service AP 01 08/05-08/12 damaged by rain AP,C 03,22 07/15-08/05 equipment malfunction C 06 07/29-08/05 broken, not shipped SPECIAL EVENTS No special events occurred during the third quarter of 1980 t'.:st could cause perturbations in the radiologi:a1 environment in the vicinity of the North Anna Power Station. O O 4C

SPTELEDYNE ISMOPES AIRBORNE EXPOSURE PATifdAY (JULY 1,1980-SEPTEMBER 30, 1980) AIR PARTICULATE FILTERS (STATIONS 1-7, 21-24) The gross beta activity continues low at 0.031 pC1/Cu.M. and no measurable Ce-144 was detected in the gamma analyses. See Figu;e 3, the plot of gross beta activity in air particulate filters from 1977 through 1980. Observe that the beta activity is lowest during 1979 and 1980. AIR RADI0 IODINE (STATIONS 1-7, 21-24) No iodine-131 was detected in the weekly air charcoal filters in the vicinity of the North Anna Power Station indicating that no measurable releases of radioiodine were made. PRECIPITATION (STATION 01) Gross beta deposition in rainfall ranged from 0.23 to 0.61 nCi/sq.m. during the third quarter of 1980. During the second quarter the gross beta deposition was 0.51 nCi/sq.m. thus no unusual changes were observed. SOIL - (STATIONS 1-7, 21-24) No soil samples were scheduled during the third quarter of 1980. O i b U l SC

TABUE 4 FACICLOGICAL EkVIRChPEh1AL PChlTORING PROGRAM $UMMARY PATFWAY- A 10 80 R PIE CCMPILATICN - CU/RTERLY SilPMARY VIRGINIA ELECTRIC C P0hER CCNFANY SA*PLC - A IR PA*TICULATE FILTERS CCNTRCL - CathGE-22.0 Pl.325 CEC.NW NORTH ANNA PChER $TATICh ti?lI T S - PCI/CU. M 4'4 4L Y S I S NO LIMIT OF ALL INDICATOR SAPPLES LOCATICH h!TF FIGH857 MEAN CONTROL LDC A TICA Ach- REFCRTIhG PERICD DETECTION MCAN X E-00 Mesh r E-00 NEAN X E-Co RCLTINE FEAN X E-CC RANGE STATICN FRACTIEh RANGE RANCE FRACTION STATICh CCSCRIPTICN FRACTICN CR-E 148 0.CC76 0.031 0.G36 0.030 0 07/C1/eo-C9/30/80 C.C26 - 0.036 21 013/013 0.025 - 0 048 0.C18 - C.037 148/148- RCLTE 685-1.0 FI.301 DEC. 013/013 0.C0030 0 07/01/80-08/12/80 SAMPLE 8 01 000/001 0.00*00- 0.0CCCC ON5tTE-0.2 FI.42 CEC 0.CCCC0 03 00C/004 0.00PC0- 0.CCCCO PI AER AL-7.1 F I .2 4 3 CEG. g 0.CCC*0 22 000/003 C.06*C0- n.CCCC0 RCLTE 701-1 0 FI.242 CEC. e EE-7 12 0.0120 0.0615 0.106 0.0409 0 07/01/80-09/30/80 C.0393 - C.106 07 001/C01 C.106 - 0 106 . 0.0409 - C.0409 C12/012 BUPPASS-7.3 PI.167 CEG. CC1/001 I-131 12 LT 0.03CC LT 0.0100 0 C7/C1/80-09/30/80 LT C.0100 -LT 0.0300 LT 0.C10C -LT C.L3C0 C0C/012 CCC/C01 CS-137 12 0.C0120 0.00207 0.00207 LT 0.00100 0 07/01/80-09/30/80 C.CC207- 0.C0207 04 001/001 0.00707- 0.C02C7 LT 0.CCICO-L T C.CC1C0 CC1/012 WARES CRCSSRCACS-5.1 MI.287 CEG. CCO/ Col l e e e -

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n 0 o. - s TA8UE 4 RACICLCGICAL EhylRChPEATAL PChlTORING PROGRAM

SUMMARY

PATFWaY- A IRDORNE ' CCPPILATICN - CUtRTERLY StfPMARY VIRC1NIA ELECTRIC C PohER CCPPANY

  ' 5 AMPL E - CF ARCn AL FILTERS                                 CCNidCL          CRAACE-22.0 Pl.125 CEG.NW      NORTH ANNA POWER STATICA UNITS - PCl/CO.'M ANALYS15      NO        L IMIT OF- ALL'INotCATOR 5 APPLES               LOCATICH blTF FICHFST PEAN          CONTROL LOCATICA       ACN- REFCRTIAC FERIOD DETECTION         MEAN X E-CC               .                       -Peek X E-C0      MEste N E-C0       RCLTINE PEAll X: E-C0               RANGE              STATICN FRACTith.              RANGE-            RANGE FRACTION                                   STATICA CESCRIPTION       FRACTich 1-111       -148        C.034            LT     0.02                                                         LT    0.02      . .      0 OT/01/80-09/30/80 LT    C.CIO - '. T      C.02'                                             LT   0.C040 -Li    C.02 CCC/148                                                             C00/0!!

LSAMPL5 LT 0.00CCO 0 07/01/80-08/05/80 LT .C.CCC00-LT 0.COC00 CCC/003 M i I l l l l l l l l

TABui 4 RACIOLOGICAL EhVIeCh*EATAL PCAITCRING PROCRAM

SUMMARY

PATFWAY- A11RORNE CCMPILATICh - CutR T ERLY 5tirmaRY VipCINIA ELECIRIC C P0hER CCMPANY SANFLF - WATER - PRECIPITATION CCNTROL - NORTH ANNA P0hER SIATICN UNITS - PCl/ LITER LNALYSIS NO LIMIT OF ALL INDICATOR $ APPLES LOCATICA blTP ticeFST PEAN CONTROL LOCATICh hCN- REFCRithG PERIOD CETCCTION MEAN X E-CC PE*A X E-37 NEAN X E-CC RCLTINE MEAN X E-CC R A NG E STATICN FRACTI(h RANGE RANGE FRACTinti STATICk [ESCRIP'10N FRACTICh C;-P 1 6.7 6.7 0 07/01/80-09/'20/80 6.7 - 6.7 01 003/003 4. 4 - 9.8 C03/001 ONSITE-0.2 Pl.42 C E ri 8 GR-8 rainfall deposition pCi/Ilter inches nCl/sq.m . 9.821.2 E 00 2.45 6.120,7 E-01 07/01-07/31 4.420.9 L 00 5.31 5. cl.2 P-01 08/01-08/31 5.911.3 E 00 1.57 2.310.5 h-01 09/01-09/30 O O O -

i . '. T TELEDYNE i ISOTOPES DIRECT EXPOSURE PATHWAY O- cau'r 1.198o-serToi8ea so.198o) ENVIRONMENTAL GA.WA DOSE-TLD (STATIONS 1-7, 21-24) l l l The average gamma environmental rediation dose in the vicinity of the ' North Anna Fower Station during the third quarter of 1980 remained at O.21 mr/ day. The range of gamma environmental dose was 0.16 to 0.27 mr/ day l and the highest dose of 0.27 mr/ day was at station 22. The lowest dose was 0.16 at station 24.

See Table 5, the RDIPS table of direct exposures and r gore 4, the plot of i

average dose IcVels monitored in the environs of the Ncrth Anna Power Station. l l l f l-l O

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O t . _o 4 TABLE S

                                                                                        - E'ADIOLOGICAL ENVIRONMENTAL MONITORING FROGRAM b'JMM ARY CONFILATION-QUARTERLY

SUMMARY

VIRGINI A ELECTRIC 4 POWER COMPANY PATHWAY DIRECT EIFOSURE NORTH ANNA FOWER STATION j 5 AMPLE-TLD ENVIROXNENTAL BADGES CONTROL - ORANGE 22.0 MI.325 DEG.' NN UNITS-ar/ day LOCATION WITH HIGHEST MEAN CONTROL LOCATION NON-RIFORTING PERIOD ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES NEAN X E-00 NEAN X E-00 ROUTINE DETECTION MEAN 1 2-00 RANGE RANGE STATION FRACTION . RANGE MEAN X E-00 FRACTION PRACTION STATION DESCRIPTION _ 0.21 0.27 0.15 0 06/24/80 09/30/80 GAMMA 12 *2sr DOSE 0.15-0.27 22 2/2 , 12/12 ROUTE 700-1.0 N!.242 DEC. 1/1

2mr/ Quarter i

7PTELEDYNE ISOTOPES WATERBORNE EXPOSURE PATHWAY O (JULY 1,1980-SEPTDIBER 30, 1980) , SURFACE WATER,(STATIONS CJ, 09) Gamma radionuclides and I-131 remained below the limits of detection at stations 08 and 09. Howevar the tritium activity at station 08, the Discharge

t.agoon increased to_1230 pC1/ liter.i See Figure 5 showing the trend of tritium activity at station 08 from 1977 through 1980. The tritium activity at station 09, Lake Anna, ups1; ream-2.2 miles, 320 degrees also increased from 430 pCi/ liter to 960 pCi/ liter.. , RIVER WATER (STATION 11} Tritium activity at station 11 incressed to 1180 pCi/ liter during the third quarter 1980 from 770 pCi/ liter during the second quarter. However no gamma emitters or I-131 were detected at station _11 suggesting that the effluent l releases. consists _primarily of, tritium., _ l l SEDIMENT (STATIONS 08, 09. 11) l The radionuclides detected were the usual constituents of sediments. Cesium-137 was detected in all samples and is probably not from the operations at the NAPS. Also K-40, Ra-226, and Th-228 were detected in the sedients and all of these radionuclides including Cs-137 are usually monitored in environmental samples. l SOIL (STATION 09) . A shoreline soil sample from station 09 contained the same gamma emitters monitored in the sediment sa.ple from this station. No radionuclides from the NAPS operations were detected in soil. O 13C 1 e

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a o TABLF. 6 RA0!OLCGICAL EhVlRCe>EhTAL PChlTrRING PROGRAM

SUMMARY

PAftwaY- WAIER86RNE CCPPILATICN - CutRTERLY StJMPARY VIRGINIA ELECTRIC E POWER CCPPANY .A 5 A"PL E - W A YER - SURFACE CCNTRCL - LAFE A>hA.UF5-2.2 MI.120 CEC.NW NORTH ANNA P0bER STATICA UNITS - PCI/ LITER ANAL 1Sl$ NO . LIMIT OF ALL INDICATOR SAPPLES LCCATICN kITF FIGHFST PEAN CONTROL LOCATICN h0N- REFCRT!bs *ERIOD DETECTION MEAN N E-C0 PEAN X E-Sc MEAN N E-C0 RCLTINE PFAN N E-CO R A NGE STATICN FRACTI(k RANCE RANGE FRACil0N STATICA CESCRIPTICN FRACTICA I-131 6 LT 0.4C LT 0.4C 0 07/17/80-09/15/80 k D CHEN LT 0.4C -LT 0.40 LT 0.20 -LT C.4C CCC/C06 C00/003 I-131 6 LT 40.0 LT 40.0 0 C7/17 /80-09/15/80 LT 3C.C -LT 4C.0 LT 10.C -LT 4C.C

   ' Ge(L1)                            CCC/006                                                              CCC/003 C$-137          6                      LT- 9.00                                                              LT       9.00                       0 CT/11/80-09/15/80 LT   7.CC- -LT           -9.00                                            LT       7.C0    -LT    9.00 CCC/006                                                              C30/003 P-3             2                         1000.

120 f4 . 560. 0 0T/17/80-09/15/80 960. -

II . - . 08 001/001 1200. -;209. 960. - 96C. CO2/002 DISCHARGE LAGCthS-1.1 MI.148 C5G. 001/0u1

                                                                                                                - ,.              e    - - . - -             .__ _ .-______                 __

TABLE 6 RACIOLCGICAL EhVIRCEPEA1AL PChlTCRING PRnGRAM SUMM AR*/ PATFW AY- WATERBORNC COPPILATICN - CUARTERLY SUPMARY VIRGINIA ELEClRIC & P0 hem CCPPANY S AMPL E - W ATER - RIVER CCNTRCL - LAFF APHA,UFS-2.2 Pl.32C DEC.NW NORTH ANNA P0bER STATICN 03ITS - PCl/ LITER ANALYSIS- NO LIMIT OF ALL INDICATOR SAPPLES LOCATICN blTP FIGHEST PEAN CONIROL LOCATICN A O.v- REFCRlING PERICO DETECTION MEAN X E-00 NEAN x E-QO NEAN X E-C0 RCLTIi4E PEAN x E-C0 RANGE STATICN FRaCTICA RANGE RANGE FRACTION STATIth CESCRIPTION FRACTICN

       ----n------------.          ------ --------------------- ------------------------------------- --------------------- ~~-- -----------------

I-131 1 _T 30.0 0 09/15/80-09/15/80 LT 3C.0 -LT 30.0 CCC/C01 CS-137 1 LT 6.0C 0 C9/15/80-09/15/80 LT e.CC -LT 6.00 CCC/001 P-3 1 1100. 1100. 0 09/15/80-C9/15/80 1100. - 11CC. 11 001/001 1100. -1100. C01/001 NCRTH ANNA P,CChhS-5.8 Fl.128 CEG. O O O .

O c TABut 6 o - RACIOLOGICAL EkVIRCh>EhTAL PCAITORING PROGRAN

SUMMARY

PATFWAY- ACUATIC CCPPILA TIch - CUf RT ERLY SUPPARY VIRCIN!A ELECTRIC E P0bER CCMPANY

                    $AWPLE.- SECINE91/ SILT                                                                                                  CCATRCL - LAFE Akha,UFS-2.2 MI.320 CEC.NW            NORTH ANNA P0hER SI ATI CA UNITS- - PCI/CM DRY -

4- ANALYSIS NO LIMIT OF.ALL INDIC4 TOR SAPPLES LOCATICh blTt FIGHEST PEAN CONTROL LOCATICA ACN- REFCRTING PERIOD . CETECTION PEAN N E-CC PE9N X E-00 MEAN N E-C0 RCLTINE PF Af 4 X E-C0 RAN"E STATICN FRACTIth RANCE RANGE FRACTION STATI(h CESCRIPTION FRACTICh F-4C 3 -0.500 11 3 25.7 3.94 0 09/15/80-09/15/80 3.94 - 25.7 11 001/001 25.7 - 25.7 3.%4 - 3.94 C03/003 NCRTH ANNA P.CChhS-5.8 Pl.128 CEG. 001/001 1-131 3 0.100 LT 0.lCC LT 0900 0 09/15/20-09/15/83 LT C.CS03 -LT 0.100 LT 0.CSL -LT C.09CC CCC/003 "00/ Col CS-137 3. 0.C200 0.192 0.277 0.277 0 09/15/80-09/15/80 0.0540 - 0.277 09- 001/001 C.277 - 0.277 0.277 - C.277 CC3/003 LAKE AANA, UPS-2.2 F I . 123 CEC. ICON 001/001

                     #A-226                                                       3                   0.100                      1.16                                          1 32                     0.949            0 09/15/20-C9/15/80 0.949 -          1 38      08-    001/001         1 38    -

1.38 0.549 - C.549 CC3/CO3 OISCHARGE LAGCChS-1.1 FI.148 CEG. 001/001

                  .TP-228                                                                              0.0200            ,       0.913                                         1.14                     1.04             0 C9/15/80-C9/15/80 0.561 -          1.14      11     031/001         1 14    -    1.14          1.C4    -

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                                                                                                                     'CC3/003                   NCRTE AN)A P,C(hNS-5.8 FI.128 CEG.           C01/COI O

n

TABUE 6 RACICLOGICAL Ehv!RC6PEATAL PChlTCRING PROGRAW

SUMMARY

D ATF W AY. AQUATIC CCPPILATICN - CUfRTERLY SUPPARY VIRGINI A ELEC IRIC E POWER CCMPJhv S ArPL E SHORELINE SOIL CCNTRCL - NO3Th ANNA P0bER 51ATICN UMITS - PCI/CM ORY aqaLYSIS MO LIMIT OF ALL IttDI C A TOR 5 APPLES LCCAT ICN hlTF FIGHFST PEAN CONTROL LOCATICN ACh- REFCRTING PERIOC CFTECTION MEAN 4 E-CC PEAN x E-00 MEAN N E-C0 RCLTINE MEAN X E-CD MANGE STATICN FRACTICh RANCE RANGE FRACTION STATI(k CESCAIPTICN FRACTICN

 .--.--......---=--             -.- ----.---...........-- ----.----...--........-- ------------ --- ---.....--------- ---- ---......--......

K-0C 1 6.48 6.48 0 09/15/80-C9/15/83 6.4P - 6.48 09 001/001 6.48 - 6.48 C01,001 LANE AhNA, UPS-2.2 Pl. 120 CEG. ICON I-1$1 1 LT 0.3CC 0 09/15/80-C9/15/80 LT C.3C0 -LT 0.3C0 . CCC/001 C5-117 1 0.425 0.429 0 09/15/80-09/15/80 0.429 - 0.429 09 001/001 C.429 - 0.429 (01/C01 LAME ANNA, UPS-2.2 Pl. 20 CEG. ICON OA-226 1 1.52 1.52 0 C9/15/80-09/15/80 1.52 - 1.52 09 031/001 1 52 - 1.52 001/001 LANE AANA, UPS-2.2 Pl. 120 CEG. ICON TH-228 1 1 58 1.58 0 09/15/80-C9/15/30 1.58 - 1.58 09 001/00I 1.58 - 1.58 CC1/001 LAKE ANAA, UPS-2.2 Pl. 320 CCC. (CON n 6 O O O -

l WTELEDYNE ISOTOPES L INGESTION PATHWAY 1 (JULY 1,1980 - SEPTEMBER 30, 1980) MILK (STATIONS 12, 13 14A) I Milk samples collected from the three stations contained the usual radionuclides, K-40 and Sr-90. The average Sr-90 activity was 3.2 pCi/ liter compared to 2.6 pCi/ liter in the second quarter. See Figure 6 of the quarterly Sr-90 activity since 1977. Iodine-131 was below the limits of detection of 0.5 pCi/ liter. These results indicate that no detectable NAPS releases occurred that could adversely affect milk samples. TERRESTRIAL VEGETATION (STATIONS 21, 23) Vegetation samples collected in the environs of NAPS contained detectable quantities of Be-7, K-40 and Cs-137. All other gamma emitters were below the limits of detection indicating that no detectable releases of NAPS related gamma emitters occurred. O e 4

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TAsuE 7 RADIOLCGICAL Ehv1RChPEATAL PChtTORING PRnGRAM

SUMMARY

PATFWAYa' IMCE5il0N CCMPILATICN - CUARTERLY StjPFARY VIRGINIA ELECTRIC C P0hER CCPrahY S A*PL F - M I L r. CCNTRCL - NORTH ANNA P0hER STATICA UNIT %. - PC I/L I T t'R AMSLYS!$ ' tto LIMIT OF ALL IMO P.ATOR SSPPLES LCCATICN blTF FIGHEST PEAN CONTROL LOCATICN ACN- REFCRilkG FERICO PLTCCTION MEAN X E-00 PEAN X E-C0 PEAN X E-C0 RCLTINE

FEAN X E-00 PAP 4GE STATICA FRACTlth RANGE RANGE

                                             -FRACTION                                      STATith CESCRIPTION              FRACTICN 4

I-131 9 0 50 LT 0.4C 0 07/16/e0-C9/15/83 RAD CHEM LT 0.3C -LT- C.40 A CCC/009 l' SP-P9 3 LT 4.0 0 07/14/e0,C9/15/83 LT 3.C -LT 4.0 CC0/003 , 58-50 3 0.83 3.2 1.3 0 CT/16/80-09/15/83 i 3.1 - 3.3 12 331/001 3.3 - 3.3 C03/003 HCLL AC AY C AIRV-8.3 P t.31C 0[G. K-40 9 200. 1270. 1$90. 0 07/16/80-09/15/80 1190. - 135G. 13 003/003 1280. -1480. CCS/C09 FREDERICKS PAtt-5.6 Pl.?C5 CEG. [' 1-1?! 9 C.5C0 LT 3C.C LT 10. 0 . '

                                                            -LT        10.0 O CT/1t./80-09/15/80 g,(Lg)

C C 0 /009 C5-137 9 s.00 LT 8.00 0 0T/16/80-c9/15/80 LT 7.CC -LT 8.C0 CCC/C09 O N M -

TABU! 7 P AC I tfLCGIC A L EhVIRChPEhist PChlTERING PROGRAM $ Urt1 A R Y PATFWaY- IN C E S T Inta CCMPI L A TICN - Cut 9T ERLY $ttPM ARY VIRGINI A F.LEC TRIC C P0hER CCPPAhv SAwPLE - VECETATION - TERRESTRIAL CCATRCL - NORTH ANNA PCbER STATICN UnlT$ - PCI/CM hCT A*aLYSIS NO LIMIT OF ALL INOICATOR SAPPLES LCCATICN blTP FIGHEST MEAN CONTROL LOCaTICN ACN- REFCRTING PER100 DFTECTION MEAN X E-00 PEAN X E-00 NEAN N E-CJ R Cli t h E PEAN X E-C0 RANGE STATICh FRACTIO PANCE PANGE FRACTION STATICA CESC*IDTICN FRACTIch

             .------------------------ ----==-__                                                                     .------ ------ ------------------------------ ------ --- = =------- ~~-- -----~~--~~~~----

ef-7 4 C.200 1.38 1.62 0 C8/1S/60-08/19/80 1.15 - 1.62 23 OC2/002 1.27 - 1 97 C04/004 ASPEh HILLS-0.5 PI.158 CEG. C-40 4 0.500 4.71 4.T9 0 C8/15/80-08/11/80 4.63 - 4.79 23 002/002 3 95 - 5.63 C04/C04 ASPEh HILLS-0.5 Pl.158 CEG. I-131 4 0.0300 LT 0.1CC 0 08/IS/80-08/19/80 LT C.Ct00 -LT C.1CO CRC /004 C3-137 4 0.C2C0 0.06E9 0 0701 0 08/15/80-08/19/80 C.Ce77 - 0.C701 23 OC1/002 C.0701 - 0.C701 CC3/004 ASPEh HIL L S-0.5 P I .158 PE G. TF-22P 4 0.C2CC 0.3P1 3.487 0 08/1S/80-08/19/80 C.215 - 0.487 23 OC1/002 C.487 - 0.487 C02/C04 ASPEh HILLS-0.5 PI.158 REG. u SOY BEANS AND CORN O O O -

l I i W TELEDYNE ! ISOTOPES CONCLUSIONS O t . (JULY 1,1980-SEPTEMBER 30, 1980) , l The results of the radiological environmental sonitoring program conducted in the environs of the North Ant.a Power Station show that no measurable releases frca the nuclear plant, except tritium, were detected above the prescribed limits of detection. , l i 6 1 O. O~ 23C

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 .                                                                                    l TTELEDYNE ISOTOPES APPENDIX THIRD QUARTER 1980 O

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'1T'TELJEDYNE ISCQ1] PES ; I TABLE OF CONTENTS I THIRD QUARTER 1980 PAGE APPENDICES-0ATA TABLES AIRBORNE rATHWAY AIR PARTICULATE C-3 AIR RADI0 IODINE C-3 PRECIPITATION C-27 DIRECT PATHWAY TLD C-28 WATERBORNE PATHWAY RIVER WATER C-29 SURFACE WATER C-30 SEDIMENT / SILT C-32 SHORELINE SOIL C-35 INGESTION PATHWAY MILK C-36 VEGETATION / TERRESTRIAL C-39 O C-2

VIRGlhiA CLECTRIC E PCbER CCPPANY NCRfH ANNA PChER STATICA E1t P050RE P ATHb AY - AIRFCR%E AIR.PARTICLLATE f. CPAR(CAL FILTFPS STATICA NuPPER .Cl ' Ch!!TE-3.7 Pl.42 CfC COLL. TIME AP FILTER MIC-COUNT CHARCOAL FILTER START 1STOP GRC55 GETA TIME l-131 CATE DtTE VOLUME UNITS IPCI/CU. P l- CATE TIME IPCI/CL. P I C 7/01 07/n 8 1 34E C2 CU. M 1.9 +-0.r> E-02 07/16 L.T. 5. E-C3

                                                                              .G7/GO 07/15   1.3RE C2     CU. M      1.4 +-0.6 E-02                              C7/25           L.T. 6.      E-03
                                                                            -07/15 C7/22      1.168 02 ' CU. M       2.1 +-0.6 E-02                              07/11           L.T. 6.      E-C3 07/22 07/29  1 36E C2     CU. M      2.5 +-3 6 E-02                              09/07           L.T. 8.      E-03 67/24 09/15  1 36E C2     CU. M      1.1 +-1.6 E-02                              09/14           L.T. 6.      E-03 (P/d5 OR/12  1 35E C2     CU. M       (a)                                        08/22           L.T. 1.      E-C2 te/12 09/19-  1.36E 02    CU. M      3.1 *-0.6 E-02                              OR/26           L.T. 5.      E-C3 CP/19 08/26-  1 39F 02    CU. M      1.R +-0.6 E-02                              09/93           L.T. 4.      E-03                                    i 08/26 09/02  1 33E 02     CU. M      3.2 +-0.6 E-02                              99/11           L.T. 5.      E-C3 C9/02 09/09  1.37E C2     CU. M      2. 9 + -0. 6 E-02                           09/1R           L.T. 8.      E-C3 CS/CS C9/16  1.375 C2     CU. M      1.4 +-0.4 E-02                              09/23           L.T. R.      E-C)                                    !

CS/le 39/23 1.48E C2 CU. M 29 +-0.5 E-02 11/01 L.T. 8. E-03 ' C9/23 C9/13 1.195 C2 CU. M 2.9 +-0.7 E-02 10/r9 L.T. 9 E-03 d. 7 6 (a) SAMPLE NOT COLLECTED. DAMAGED BY RAIN l

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                                                                                                                                     ' VIRGINIA ELECTRIC C PCbEn CCPPANY ACRTH AhNA FCbER Stait(k EXPOSLRE PATHbAY - AIPECRhE CCPPCSITF AIR PARTICULATE FILTE45 IPCI/CU. P i STATICh hu*RER 41 CASITE-C.2 FI.42 CEC C AT E COL L E C T EC        07/01-09/3C GAPMA SPECTROM ANALYSIS PE-7   5.60+-1.465-02 K-40   L.T.         3.                 E-02 MN-54  L.T.        1.                  E-03 CC-58  L.T.        2.                  E-C3 FE-59  L.T.        4.                  E-C3 CC-eu  L.T.        2.                  E-C3                                         -

FN-65 L.T. 3. E-03 24-95 L.T. 1. C-03 H0-1 3 L.T. 2. E-03 RL-106 L.T. 1. E-C2 I-131 L.T. 2. E-02 C$-134 L.T. 2. E-91 C5-137 L.T. 1. E-03 eA-14' L.T. B. E-C3 CE-141 L.T. 3. E-03 CE-144 L.T. 7. F-03 na-22A L.T. 2. E-02 TF-228 L.T. 2. E-03 7 O O O -

r v j VIRGINIA ELECTRIC E PLEER CCPP4NY NCRTH AhNA PChER STABICA ENPOSLRE PA.'HhAY - AIRitukE AIR PARTICOLATE C CPARCCat. FILTERS STATICA NUPRER C2 FREDERICKS HALL-5.3 Pl. 225 CEG. COLL. TIME- AP FILTER MIC-COUNT CHARCOAL FILTER START STOP GRCSS BETA TIME I-131 CATE' DATE. VOLUME UNITS (PCI/CU. P I DATE-TIME I PC 1/C L. P I

                                              'C7/01 07/08 1.33E C2                        CU. M   3. 8 + -0 6 E-02                   07/16        L.T. 5. E-03 C7/08 07/15 1.22E C2                     CU. M   2. 8 + -0. 7 E-12                  C7/25        L.T. 7. E- C 'J C7/15 C7/22                    1.2CF 02  CU. M   3.5 +-0.7 E-02                     07/10        L.Y. 6. F-43 C7/22 07/29 1.2?E C2                     CU. M   1.0 +-0.6 E-02                     CP/06        L.T. 8. E-C3 C7/29 CP/15 1.21E 02                     CU. M   5.1 +-0 8 E-U2                     CR/14        L.T. 7. E-C3
                                                .CP/C5 08/12                     1.36E C2 C U. M   2.1 +-0.5 E-02                     C8/22-       L.T. 1. E-C2 CP/12                  08/19  1.38E  C2 CU. M    1.9 +-3.5 E-02                     08/?8        L.T. 4. E-03     ,

PP/19 CP/26 1.37E 02 CU. M 2.5 +-0.5 E-02 09/03 L.T. 7. E-C3 OR/26 09/02 1 39C C2 CU. M 3.0 +-n.6 E-02 09/11 L.T. 8. E-C3

                                               .C9/02                     09/09 1.38E  02 C U. M   1.9 +-0.5 E-02                     09/18        L.T. 7. E-C3 CS/09                  09/16  8.04E  01 Cu. M    5.3 +-1 0 E-02                     09/23        L.T. 8. E-C3 C9/16 09/23. 1.37E 02                    .r. M   3.4 +-1.6 E-02                     19/01        L.T. 9. E-03 C5/23 09/10 1.40E C;                      U. M   2.8 +-0.6 E                    10/G9        L.T. 9. E-C3

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                 l STATICA huweER C2 FREDERICKS HALL-5.3 Pl. 225 CEG.

DATS COLL ECTEC 07/01-09/3C GAPWA $PECTRLM ANALYSIS EE-7 5.70+-1 4RE-C2 K-40 L.T. 4. f-02 MN-54 L.T. 1. E-03 CC-SP L.T. 2. E-03 FE-59 L.T. 4 E-03 CC-e3 L.T. 1. E-03 Ita- 6 5 L.T. 1. E-03 zu-95 L,y, 2, 5 03 RL-103 L.1. 2. E-03 9U-10e L.T. 1. E-02 1-131 L.1. 2. E-02 CS-134 L.T. 1. E-03 C$-1?T L.T. 1. E-03 PA-140 L.T. 7. E-33 CE-141 L.T. 2. E-03 CE-144 L.T. 6. E-03 PA-226 L.T. 1. E-02 TF-22R L.T. 2. E-03 9e I e O O O -
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STATICA NurBER C3 PI NER AL-7 1.P I .24 3 CFG. COLL. TIME AP FILTER- , MIC-COUNT CHARCOAL FILTER < < START STOP- GacSS BETA . TIME I-131 CATE DATE VOLUME UNITS (PCI/CU. P l DATE TIME (PCI/CL. P 1 C7/c1 07/08 (*) NOT C OLLECTED G7/08 07/15 1.61E 02 C U. M . 1.1 +-3.5 E-02 C7/25 L.T. 5. E-C3 07/15 C7/22 (b)> NOT C OLLECTED C7/22 C7/?g (c) NOT C Ot LECTED C7/2S C8/05 '(d) . NOT C DLLECTED CP/35.CR/12 1.20E 02 CU. M 3.4 +-0.7 E-02 , 08/22 L.T. 1. E-C2 CP/12 08/19 .1.39E O2 CU. M 1 3 +-0.5 E-02 Cn/28 L.T. 5. E-C3 CP/19 08/?6 -1.39E C2 CU. M 3.2 +-0.6 E-92 09/93 L.T. 8. E-C3 OP/26 C9/02 1.39E C2 CU. M 4.8 +-0.7 E-02 (19 / 11 L.T. 5. E-C3 09/02 09/09 1.39E 02 CU. M 2.2 +-0.5 E-32 09/18 L.T. 7. E-C3 C4/25 09/16. 1.41E C2 CU. - M - 3.9 +-0.6 E-02 09/23 L.T. 7. E-C3 CC/le 09/23 1 39E 02 CU. M 3.2 +-0.6 E-02 11/C1 L.T. 1. E-C2 0S/23 09/33 '1.41E C2 CU. M 4.0 +-0.7 E-02 10/C9 L.T. 9. E-C3
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d (a) ' SAMPLE NOT COLLECTED-STATION OUT OF SERVICE . (b) SAMPLE NOT COLLECTED-EQUIPMENT MALFUNCTION (c) . SAMPLE NOT COLLECTED-EQUIPMENT MALFUNCTION (d) SAMPLE NOT COLLECTED-EQUIPMENT MALFUNCTION
VIRGINIA ELECT 9tc E PrbER CCPPANY NCR1H AANA FChER STATICA E XPOSL9E P ATHhaY - AIRFC RhE CCMPCSITC AIR P49TlCuttTE FILTEe5 IPCI/CU. > l STATICA huPPEP C3 PINERAL-7.1 Pl.243 CEG. CSTE COLL ECTEC 07/06-09/3C CAPwA $PCCT90M ANALYSIS Bf-7 6.29+-1.46E-02 K-4C L.T. 5 E-02 PN-54 L.T. 2. E-O' CC-58 L.T. 2. E-03 FE-59 L.T. 4. E-CC-60 L.T. 1. E-0 IN=e5 L.T. 4 5 's t 18-95 L.T. 2. C-01 RL-103 L.T. 2. E-03 QL-1Ce L.T. 1. ?-32 1-l?! L.1. 2. C-;2 C5-134 L.I. 1. E-C) C5-l?T L.T. 1. E-03 PA-147 L.T. 9. E-03 CE-141 L.T. 2. f*C3 CE-144 L.T. 6. E-03
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T VIRGINIA ELECTRIC t PChER CCPPany NCRTH AANA PChE9 STATItk t EXPOSURE PATHkAY - AIRfronc . AIR PARTICUL ATE' C CF ARtC AL FILTERS STATICA AUwefa C4 hare S CROS$RCaDS-5.1 *I.287 CEG. I I COLL. TIME' AP FILTER MID-COUNT CHARCOAL FILTER
$ TART STOP GROS $ BLTA TIME I-131 CATE 'CATE WOLUME UNITS. (PCI/Cu. P 3 CATE TIME (PCI/CL. M i .
C7/01 07/08.'1.34E C2 C U. M 4.6 +-0.7 E J2 07/16 L T. 4. E-C3 : C7/Ct 07/15 '1.35E C2 CU. M 2.2 +-1.6 E-32 07/25 L.T. 5. E-C3 !
~~. C7/15 07/22 1.34F C2 CU. . M 2.8 +-C.6 E-02 07/*0 L.T. 5. E-C3 !~~
C7/22 07/29 1.36E C2. CU. M 1.9 +-3 5 E-22 0n/06 L.T. 9. E-C3 C1/29.ca/05 9.9CE.01 CU. M 3.5 +-3.8 E-02 0n/14 L.T. 7. E-C3
'CP/C5 OR/12 1. 32E C 2 ' C U. M 1.3 +-0.5 E-02 ci/22 L.T. 1. E-C2 Ca/12 08/10 1.149 e2 CU. M 1.1 *-0.7 E-02 Cm/2n L.T. 9. E-03 08/19 09/26 1.356 C2 cur M 3. 0 + -0. 6 E-02 C9/C) L.T. 6. E-C3 LP/26 C9/)2 1.16E e2 CU. M 2.8 +-0.6 E-J2 09/11 L.T. 6. E-C3 [
04/J2 09/C9 1.37E 02 CU. M 4.8 +-0.7 E-02 C9/18 L.T. 9. E-C3 09/0$ CC/16 -1.135 e2 CU. M 3.4 +-0.6 E-02 C9/23 L.T. 7. E-C3 CM/16 29/23- 1.36E 02 CU. M 2.7 +-0.6 E-02 IS/01 L.T. 8. E-C3
~~.05/23 09/33. 1.38E C2 CU. M 2.3 +-0.6 E-02 10/09 L.T. 8. E-C3 ;~~
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VIRGINta ELECTRIC C PCbER CCPPaNY NCRTH ANNA PCbER STATICA EDPOSLRE PATPbAY - AIR (CRh! CCPPOSITE AIR P ART ICUL AT E F ILTEp5 (PCI/CU. P 1 STATICA huPRER C4 WARES CRCSSRCA05-5 1 Pl.227 CEG. PaTE COLLECTEC 01/01-09/30 CAPra SPECTRUS ANALYSIS DE-7 5.51*-1.77E-02
~~,K-40 L . I. 4. E-02 PN-54 L.T. 2. E-03 CC-48 l . i. 2. E-03 FF-55 L.I. 5. E-33 CC-e3 L.T. 2. E-C3 .~~
lA-65 L.f. 4. E-01 12-95 L.S. 2. E-33 RL-103 L.T. 1 E-03 PL-ice L.T. 2. E-02 1-131 L.1. 3. E-32 C5-134 L.f. 2. C-03 C!-111 2.C7+-1.09F 93 02-14' L.T. 8. E- 01 CE-141 L.T. 5. F-73 CE-144 L.T. 1. E -+ 12 R&-226 L.I. 3. F-02 TF-22P L.T. 3. E-03 7 T:; e
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~~, AIR PARTICLLATE C CPAR(Cat FILTCPS STATIch Nurela C5 GCCD HOPE CHLRCH-4.2 FI.23 CEG.~~
a COLL. TIPE 'AP FILTER MIC-COUNT CHARCOAL FILTER START STOP GRC55 DETA TIME I-131 a CATE DATE v0LUPE UNITS IPCI/CU. P l CATE TIME IP!!/CL. P I C7/Cl 07/06 1.17E C2 CU. M 3.6 +-2.7 E-02 C7/16 L.T. 5. E-03 C7/18 07/15 1.438 C2 CU. M 1.6 +-9.7 E-02 .C7/25 L.T. 4. E-C3 C7/15 C7/22 1.375 C2 CU. M 4.0 + .%7 E-02 07/31 L.T. 6. E-C3 C7/22 07/29 1.3RE C2 CU. M 3.1 +-0.6 E-02 08/C6 L.T. 6. E-03 P7/2c 09/95 1.38E 02 CU. M 4.8 +-0.7 E-02 08/14 L.T. 7. E-03 CP/C5 OP/12 1.36E C2 C U. M 4.5 +-0.7 E-02 PS/22 L.T. 1. E-C2 CP/12 081 '1.3aF 02 CU. M 2 1 +-0.6 E-32 09/28 L.T. 8. E-C3 - Ce/IS C.a26 1.39E'02 CU. M 2.0 +-0.5 E-32 C9/03 L.T. 7. E-c3 CP/26 09/32 1.492 02 CU. M 3. 9 + -J. 6 E -02 09/12 L.T. 7. E-03 09/02 09/09. 1.4]F C2 CU. M 3.0 +-0.6 E-02 09/18 L.T. 9. E-C3 C9/CS C9/16 1.40E C2 CU. M 3.3 +-o.6 E-02 09/23 L.T. 6. E-C3 CS/16 09/23 1.39E C2 CU. M 2. 9 + -C . 6 E- 12 10/C1 L.T. 7. E-C3 - CS/23 09/33 1.41E 02 C U. M 2.8 +-3.6 E-02 10/r9 L.T. 7. E-C3 7 a l l
VIRGINIA ELECTRIC C PCbER CCPP&NY NCRTH AhNA PChER STATith EXPOSLRE PATFbAY - AIRECRAE CCPPCSI TE AIR PARTICUL ATE F ILTERS IPCI/CU. P 1 STATICA huweEP C5 GCCO HOPE CHLPCH-4 2 Pl.20 CEG. DATE CnLL ECTEC C7/01-09/3C CAPPA SPECTRUM ANALYS!$ PE-7 3.93+-1.30E-02 K-40 L.T. 4. E-02 PN-54 L.T. 1. E-03 Cn-%P L.T. 2. E-33 FE-59 L.T. 4. E-C3 CC-6* L.T. 2. E-C3 IN-65 L.T. 3. E-03 1R-95 L.T. 2. E-03 p t.- 10 3 L.T. 2. E-03 RL-106 L.T. 1. E-02 I-131 L.T. 2. E-C2 CS-134 L.T. 2. E-03 CS-131 L.T. 1. E-33 PA-14? L.T. 9. E-03 CE-141 L.T. 3. E-03 CE-144 L.T. 7. E-01 Ra-226 L.T. 2. E-C2
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~~- ACRTH AANA PChER STaTICA E XPOSURE P ATPh AY - AIRECRhE' AIR -PARTICLLaTE C CPARCC AL FILTERS STATICA AUPRER CSA STURGEON'S CREEK-3.2 WI. 51 CEG.~~
COLL. TIME AP FILTER M I C-CO UN T CHARCOAL FILTER START STOP GACSS BETA TIME t-131 CATE DATE VCLUPE UNITS IPCI/CU. P l CATE TIME I Ps iCU. P I C7/01 .38 1 33E 02 CU. M 2.3 +-0.6 E-02 C7/le L.T. 5. E-C3 C7/08 07/15 1 36E C2 CU. M 2.4 +-0.7 E-02 07/25 L.T. 3. E-C3
'C7/15 07/22 1.32E C2 CU. M '3.4 +-0.7 E-32 07/3J L.T. 1. E-C2 C7/22 07/29 1.34E 02 -CU. M 2.3 +-0.6 E-02 08/07 L.T. 1. E-C2 C7/29 09/09 1.33E 02 C U. M 3.1 + -0. 6 E-02 09/I' L.T. 9. E-C3 CP/C5 C8/12 1 318 C2 CU. M 2.3 +-0.6 E-42 C9/22 L.T. 2. E-02 Of/12 08/19 1.3'E e2 CU. M 2.4 +-4.6 E-02 09/28 L.T. 7. .E-C3 .Ce/15 OR/26 1 34E C2 CU. M 2.6 +-0.6 E-32 09/03 L.T. 6. E-33 UP/26 09/12 1 35E C2 CU. M 3.9 +-0.6 E-32 09/12 L.T. 8. E-C3 C9/02 09/39 1.35E C2 CU. M 2.9 +-0.5 E-02 C9/'8 L.T. 9. E-C3 -CS/CS C9/16 1.35E C2 CU. M - 3. 5 + -0. 6 E-02 09/23 L.T. 9. E-C3 '09/16 09/23 1 34E C2 CU. M 2.8 +-3.6 E-12 1?/01 L.T. 1. E-c2 09/23 09/33 1.36E C2 CU. M 2.7 +-0.6 E-02 13/C9 L.T. 1. E-C2 9 '
~~VIRGINIA ELECTRIC C PCbER CCPPANY NORTH AANA PCbER STATIth ENPCSURE PATPh AY - AIRECRNE CCPPOSI TE AIR P ART ICUL AT E F ILTE*5 IPCI/CU. P 1 STATICA AureER .5A~~
~~$1 URGE 0No$ (gggg.3.2 Pl. 11 CEG.~~
~~DATE CnLLECTCC 07/01-09/3C GAPPA $PFCTQUM ANALY$l$~~
EE-7 4.26+-0.93E-02 K-40 L.T. 2. E-C2 P r!- 5 4 L.T. 1. E-03 CC-se L.T. 1. E-C3 F3-59 L.T. 4 E-C3 CC-60 L.T. 2. E-03 F r4-6 5 L.T. 3. E-03 2R-95 L.T. 1. E-03 RU-1C? L.T. 2. E-C3 ML-106 L.I. 9. E-03 I-ill L.T. 1. E-02 C5-134 L.T. 1. E-03 CS-117 L.T. 1. E-03 0A-14] L.T. 9. E-C3 Cf-141 L.T. 2. *-03 CE-144 L.T. 5. F-03 L R A- 2 2 7. L.T. I. F-C2 Tv-22P L.T. 1. E-C3 7
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VIRGINIA ELECTRIC E PCbER CCPPSNY NCRTH AANA PChER STATICA EXPOSURE PATHbaY - AIPECRhE AIR PARTICLLaTE C CHAR (CAL FILTERS STATICA hureER C6 LivY-4.7 PI.115 DEG. COLL. TIME AP FILTER MIC-COUNT CHARCOAL FILTER
$ TART STOP . r.ROS$ BETA TIME I-131 CATE DATE. VOLU"E UMITS IPCI/Cu. P 3 DATF TIME IPC1/CL. P 1 OT/01 07/18 2.00E 02 CU. 4 1.9 +-0.4 E-32 07/16 L.T. 4 E-03 C7/C8 07/15 2.c4E C2 CU. M 2.1 +-0.5 E-02 07/25 L.T. 8. E-C3 07/15 C7/22. 2.COE C2 CU. M 2.5 +-0.5 E-J2 C7/10 L.T. 3. E-C3 07/22 C7/29' 2.C2? r2 CU. M 2.3 +-0.4 E-r2 08/06 L.T. 3. E-C3 0T/29 18/05 1.51E 02 CU. M 4.0 +-0.6 E-02 (a)
Ce/f5 08/12 1.42c 02 C U. M 2. 7 + -0. 6 E-02 CR/22 L.T. 1. E-C2 UF/12 08/19 1.34E C2 C U. M 3.2 +-0.6 E-02 C9/28 L.T. 6. E-03 CP/19 08/26 1.33E 02 CU. M 3.3 +-0.6 E-C2 09/03 L.T. 1. E-C3 CP/26 C9/02 1 35E C2. ' CU. 4 2.R +-0.6 E-02 09/12 L.T. 1. E-02 C9/02 04/09 - 1.34F C2 CU. M 2.3 +-3.5 E-32 , C9/1R L.T. 8. E-C3 C9/?9 C9/1A 1.36E C2 CU. M ?.3 +-0.5 E-92 09/S3 L.T. 6. E-C3 C9/16 09/23 1 33E C2 CU. M 3.0 +-0.6 E-02 10/02 L.T. 1. E-C2 C9/21 09/33- 1 3PE C2 CU. M 1 7 +-0.5 E-02 10/09 L.T. 6. E-C3 9 l t (a) BROKEN-NOT SHIPPED A t
V I R".I N T A ELECTRIC C PCbl# CCPPANY ACRTH AhNA PCbER STATIth EWPnsunF PATHhav - Alettahr CCPPC5tfE AIR P ART ICUL #f E F ILT[*$ I P C 1/ Cll. P l
~~$TATICh N'llk r i e Co LEvv=4.7 Pl.Ils Off.~~
DATF Colt ICTIC 07/01-09/)C rarwA SPECIROM ANALYSIS Pf-7 4.11*-1.40E-02 K-4C L.I. 4. E-02 PN-54 L.1. 1. C-0) CC-%e L.I. 2. E-01 ff-%9 L.T. 4. E-03 ("-t3 L.T. 1. E-C1 IN-e9 L.I. 1 ?-01 19-95 L.I. 2. E-01 WU-13) L.1. 2. E-03 R t.- Ic e L.I. l. E-C2 I-111 L.1. 2. E-02 C'-l!4 L.f. 1. C-03 ft-117 L.I. 1. F-Ot, P4-140 L.1. 6. C-01 Cf-141 L.T. 4. f-C) (E-144 L.1. 1. F-C2 Q RA-22P L.I. 1. C-02 g it-22* L.1. 3. F-0) e O O O -
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WIRGINTA ELECTRIC C PCbfR CCPPANY ACRTH AANA PCbER STATICA EXP350RE PATHb AY - AIRECPkE' AIR PARTICLLATE C CPaRCC AL FILTERS , STATICA AUPEER C7 ~ BLPPA$$*7 3 Pl.167 CEG. . COLL. TIME AP FILTER MIC-COUNT *HARCOAL FILTER STAaT STOP GRCSS DETA TIME I-131 CATE CATE VOLUPE UNITS IPCI/CU. P l CATE TIME I PC I /C L. P I C7/C1 07/38 1 35E 02 . CU. M 3.6 +-0.6 E-C2 07/17 L.T. 1. E-02 C7/08 C7/15 1.38t C2 CU. M 2.8 +-3.7 E-02 07/25 L.T. 5. E-C3 07/15 C7/22 1.3RE C2 CU. M 4.3 +-1.7 E-12 07/33 L.T. 4. E-C3 07/22 C7/29 1.37E C2. Cu. M 3 1 +-S.6 E-02 09/06 L.T. 6. E-C3 07/25 OR/15 1.17E C2 CU. M 5.3 +-0.7 E-02 Ca/14 L.T. 7. E-03 CP/05 OP/12 1. 36E C 2 . C U. M 3.2 +-0.6 E-02 C8/22 L.T. 1. E-C2 c.P/12 CP/10 1.37E P 2 . CU. M 2.9 +-0.6 E-12 CP/28 L.T. 5. E-C3 . CF/19 04/?6 1.36E C2 CU. M 3.1 e-0 6 E-;2 09/C3 L.T. 5. E-C3 OP/26 00/12 1.18E 02 CU. M 4.0 +-3.6 E-02 G9/12 L.T. 7. E-C3 0"./32 09/*9 1.3RE C2 CU. M 2.6 +-0.6 E-02 C9/18 L.T. 1. E-C2 09/09 C9/16 1.38E C2 CU. M 4.5 +-7.7 E-02 09/23 L.T. 7. E-C3 Cc/1E 09/23 1.365 C2 CU. M 2.9 +-J.6 E-32 1'/12 L.T. 1 E-C2 CS/23 09/31 1.4CE C2 CU. M 3.0 +-0.6 E-02 10/C9 L.T. 6. E-C3 7 G C3 C:3
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VIROINIA ELECTRIC t PChER CfPPA%Y NCRTH AhN4 PChER STATICA EMP0504E PATFhAY - AIRECRhE CC FPOSI TE AIR P ART ICut #T E F ILTE85 IPCI/CU. > I STATICA AumeER CT BLPP455-7.3 Pl.167 CEC. D AT E COLL ECTEC CT/01-09/1C CAPPA SPECT4UM ANALYSIS PE-7 1.C6+-0.23E-01 K-4C L.T. 3. E-02 MN-54 L.T. 2. E-33 CC-?e L.T. 2. E-31 Ff-59 L.T. 4 E-03 CC-e3 L.f. 1. C-01 IN-65 L.T. 3. F-31 28-95 L.T. 2. E-C3 RU-103 L.T. 3. E-03 R0-106 L.T. 2. E-3? I-131 L.T. 2. E-02 C5-134 L.T. 2. E-01 C5-1!7 L.T. 2. E-01 MA-140 L.T. 7. C-03 CE-141 L.T. 3. E-C3 CE-144 L.T. 9 E-01 RS-226 L.f. 2. E-02 { TF-22P L.T. 3. E-03 O O O -.
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O O O WIRGINIA ELECTRIC C PChER CCPPAAY NCRTH AhNA PChER STATICA
~~~ EXPOSURE PATHb AY - AIRECREE AIR P%RTICLLATE E CPARCCAL FILT*R$ .~~
STATIch AUPPER 71 RCUTE 685-1.0 Pl.331 CfC. CnLL. TIME AP FILTER M I C-CO UN T CHARCOAL FILTER START STOP CRCSS BETA TIME I-131 ! FATE DATE' VOLUPE UNITS (PCl/CU. P1 DATF TIME (PC1/CL. P I l C7/01 07/38 1 36E C2 CU. N 4.3 +-0.7 E-02 07/16 L.T. 5. E-03 C 1/0 9 C 7/15, 1.365 C2 CU. M 3.1 +-0 7 E-02 07/26 L.T. 6. E-C3 i C7/1? C7/22 1 33E C2 CU. M 4.8 +-0.R E-02 C7/11 L.T. 1. E-C2 01/22 07/29 1 35E C2 CU. M 3.9 +-3 7 E-02 09/06 L.T. 9. E-C3 s 47/25 04/35 1.35E C2 CU. M 4.6 +-0.7 E-02 09/14 L.T. 7. E-C3 - cR/05 ce/12 1.34F C2 CU. M 3.0 +-0.6 E-02 C8/22 L.T. 1. E-C2
'Ce/12 C8/19 1.18E C2 CU. M 3.2 +-1.6 E-92 C9/28 L.T. 5. E-C3 OP/19 09/26 1 34E 02 CU. M 3.4 +.0.6 E-02 c9/73 L.T. 7 E-C3 CP/26 09/02 1 15E C2 CU. M 4.7 +-0.7 E-02 r9/12 L.T. 6. E-C3 CS/42 09/09 1.355 C2 CU. M 3.2 +-o.6 E-62 C9/18 L.T. 9. E-C3 C9/.05 99/16 1.36E C2 CU. M 3.9 +-0.6 E-02 C9/23 L.T. 5. E-C3 09/16 09/23 1.34E C2 CU. M 2.5 +-3.6 E 1C/01 L.T. 7. E-C3 CS/23 09/33 1.36E C2 CU. M 2. R + -0.6 E-02 17/C9 L.T. 6. E-C3 i
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VIRGINIA ELECTRIC C PChER CCPPANY ACRTH AANA PChEP STATICh EWPOSURE PATNhAY - AIF ECR AE CCPPOSITE AIR psaT ICUL ET E F ILTERS IPC1/CU. > ) STATICk kuweEN 21 RCus2 6M5-1.0 Pl.1f1 C!C. DATE COLLECTEC 07/01-09/3C CA*Pa SPECTRUM ANALYSIS - PE-7 8.23*-1.81E-02 K-40 L.T. 3. E-02 Pre-54 L.T. 1. E-01 CC-58 L.T. 2. E-01 fr-g9 g. ,1, 4, c.01 CC-e3 L.T. 2. E-C3 lk-65 L.T. 3. C-U1 FR-95 ..T. 2. E-31 RL-Ic? L.T. 3. E-01 RL-loe L.T. 1. E-C2 I-111 L.T. 2. E-0) C5-!!4 L.T. 2. F-03 CS-1?? L.T. 2. E-01 es-14J L.T. 8. E-C3 Cl-141 L.T. 4 E-03 CE-144 L.T. 1. E-32 RA-22e L.T. 3. E-02 TF-22P L.T. 3. E-03 9 3 . I i t e e O -
., ~. . . . .. . - ._ _ . - _ _ . . . ^
O .- b . VIRGINIA ELECTRIC C PCbER CCPPANY NCRTH ANNA PCbER STATICA EEPOSLRE PATHbAY - Altite%E . AIR PARTICLLATE C CPARCCAL FILTEas ! STATICA NUwPER 22
'RCUTE 700-1 0 Pl.242 CEC. . I COLL. TIPE AP FILTER MIC-COUNT CHARCOAL FILTER ;
START STOP . GacSS BETA TIME I-131 CATE D ATE - VOLUWE UNITS (PCI/CU. P 1 CATE TIME (PCI /CL. P l C7/Cl 07/08 1.36E C2 . CU. M 1.1 +-9.6 E-D2 C7/16 L.T. 5. E-03 C7/08 07/15 8.21E C1 CU. M 2.6 +-1.0 E-02 C7/26 L.T. 1. E-C2 f (1/15 07/22 (a) NOT C OLLECTEC , C1/22 C7/29 '(b) NOT C DLLECTED CT/29 ^9/09 ~(c) . NOT C OLLFCTED (*/C5 CP/12 1.24E C2 CU. M 1.7 +-0.5 E-32 C8/22 L.T. 1. E-C2 Ls/12 Ca/19 1.43E C2 CU. M 1.9 +-3.6 E-02 C*/28 L.T. 5. E-C3 l r*/19 08/26 1.43E P2 Cu. M 3.8 +-0.6 E-C2 09/C4 L.T. 1. E-02 '
.r.P/26 09/02 1.44E C 2 - CU. M 4.3 +-0.6 E-02 09/12 L.T. 1. E-02 (9/32 09/09 1.44E C2 CU. M 1.1 +-0.a E-32 09#19 L.T. 1. E-C2 i CS/JS L9/16 1.45E 02 Cu. M 4.9 +-0.6 E-02 09/23 L.T. 4. E-C3 CS/te 09/23 1.41E C2 Cu. M 1.n +-0.6 6-32 10/01 * .T. 8. E-C3 !
p 09/23 C9/30 1.45E'02 C U. M' 2.5 +-0.6 E-J2 19/f9 L.T. 6. E-03 U (a) SAMPLE NOT COLLECTED-EQUIPMENT MALFUNCTION (b) SAMPLE NOT COLLECTED-EQUIPMENT MALFUNCTION (c) -SAMPLE NOT COLLECTED-EQUIPMENT MALFUNCTION t I
~~. - . . - . _ _ - - - ~~~
VIRGIFIA FLECTRIC E PChER CCPPANY NCRTH AkN4 PCbER STATICA EiP050RE PATPhaY - AIRECa*E CCPPC$1TE AIR PARTICuttTE FitTEn5 (FCI/CU. > I STATICA huPEER 22 RCUTE 730-1.0 Pl.242 CEC. caTE COLLECTEC C7/01-09/3C Ca>Ma SPtCTRUM A'4 AL Y S I S RE-7 9.44+-1.51E-02 E-4C L.T. 2. E-02
*N-54 L.T. 1. E-33 CC-Se L.T. 1. F-33 Ff-SS L.T. 3. E-01 CC-63 L.T. 1. E-C3 .
FN-65 L.T. 2. E-03 70-95 L.T. 2. F-01 RL-101 L.T. 2. E-03 RO-1Ce L.T. 1. E-C2 1-131 L.T. 1. E-32 C5-134 L.T. 1. E-03 C5-13T L.T. 2. E-03 ea-14? L.T. 7. E-03 n C5-141 L.T. 3. E-C3 L CE-144 L.T. 7. E-0?
~~" Ra-22t L.T. 2. E-C?~~
TF-22F L.T. 2. E-93 A e O O O -
D () * ' V f v v VIRGINIA ELECTRIC E PCbte CCPPANY ACRTH AAN4 PChER STATICA EEPOSURE PATHbAY - AlmfCRhE ala saaTICLLATE E CHARCCAL FILTERS STATICA NUFeF+ -23 ASPEN HILLS-0.9 FI.158. CEC. i COLL. TIMS AP FILTER M I C-COUN T CHARCOAL FILTER , STati STOP GROSS BETA TIME l-111 ! CATE' DATE VOLUPE UMITS (pct /CU. F I DATE TIME (PC!/Ct. M I t C7/C1 07/08 1.36E 02 CU. M 3'.0 +-0.6 E-02 C7/16 L.T. 3. E-03 C7/08 C7/15 1 39E C2 CU. M 3.4 +-0.7 E-02 03/26 L.T. 4. E-C3 C7/15 07/22 1.36E C2 CU. # 5.2 +-0.R E-32 C1/31 L.T. 1. E-C2 CU. M ! C1/22 07/29 1.325 02 3.1 +-1.6 E-02 OS/C6 L.T. 6. E-0! C1/25 08/35 1 37E C2 CU. M 2.9 +-0.6 E-02. 09/14 L.T. S. E-C3 Ce/05 08/12 1.355 C2 CU. M '3.S +-0.6 E-32 on/22 L.T. 1. E-C2 i C*/12 08/19 1.36E C2 CU. M 3.3 +-0.6 E-02 01/28 L.T. 7. E-C3 - C8/15 08/26 1.355 C2 CU. M 3.4 +-9.6 E-02 09/04 L.T. 1. E-C2 L*/26 C9/12 1 39E C2 CU. M 4.7 +-0.7 E-c2 09/12 L.T. 1. E-02 . C9/C2 01/r9 1.3PE 02 CU. M 3.7 +-0.6 E-J2 C9/19 L.T. 9. E-C3 . 05/09 CS/16 1.37E C2 CU. M 3.7 +- 3.6 E-02 C9/23 L.T. 6. E-C3 C%/16 09/23 1.36E 02 C U. '9 2.1 +-J.6 E-3 2 10/02 L.T. 6. t-C3 C9/23 09/33 1.39E C2 CU. M 3.3 +-0.6 E-02 10/*.9 L.T. 7. E-C3 5 7 i C: t t l i I 4
t VIRGINIA ELECTRIC C PCbER CCPPANY NCRTH AhNA FCbER STATI(k EMPCSURE PATFbAY - AIRECRhE CCFPOSITE AIR P ART ICUL AT E F ILTE*$ (PCl/CU.
~~1 STATICh huFeEn 23 ASPCN HILLS-0.9 FI.15e CEC.~~
i DATE COLL ECTFC 07/01-09/3C l l r. A F M A SPECT4UM ANALYS!$ i EF-7 5 7'+-1 36E-02 r K-40 L.T. 4. E-02 i , NN-54 L.T. 1. E-03 CC-Se L.T. 2. F-03 FE-59 L.T. 4. E-03 CC-eC L.T. 2. E-03 18:- 6 5 L.T. 3. F-03 ! 1R-95 L.T. 2. E-03 RL-103 L.T. 2. E-03 RL-106 L.T. 1. E-02 I-131 L.T. 1. E-02 CS-134 L.T. 1. E-33 CS-137 L.T. 1. E-C3 Pa-14 L.T. 1. E-C2 CE-141 L.T. 3. E-03
? CE-144 L.T. 7. E-03 % RA-226 L.T. 1. E-02 TF-228 L.T. 1. E-03 O O O -
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~~( s VIRGINIA ELECTRIC C PfbER CCPPANY NCRTH AhMA PCbER STATith EXPOSURE PaTHbaY - AIRECRAE AIR P ARTICLL ATE C CP ARCC AL FILTrPS~~
~~-STAT 1th NUPeER 24' CRANGE-22.0 FI.325 CEC.tCCNTRCL)~~
COLL. TIME AP FILTER MIC-COUNT CHARCOAL FILTER SIART STOP GROSS BETA TIME I-131 CATC CATE VOLUPE UNITS (PCI/CU. P 1 CATE TIME (PCI/CL. F 1
'C7/01 07/08 1.36E C2 CU. M 3.3 +-0.6 E-02 07/16 L.T. 6. E-03 (7/fj8 07/16 1 45E C2- CU. M 2.8 +-0.6 E-02 07/26 L.T. 4. E-C3 -(7/le 37/22 1 148 C2 CU. M 3.7 +-0.8 E-02 07/29 L.T. 1. E-r1 ;7/22 C7/29 1.37E e2 CU. M 2.5:+-0.6 E-02 C8/C6 L.T. 6. E-03 07/29 0R/05 1.325 C2 CU. M 3.3 +-0.6 E-02 PP/14 L.T. 1. E-02 de/05 08/12 1 27E C2 CU. M 3.6 +-0.7 E-02 09/22 L.T. 8. E-C3 08/12 08/19 1.28E C2 CU. M 1.8 +-3.6 E-02 08/28 L.T. 8. E-C3 08/19 08/26 1.24E C2 U. M 2.9.+-b.6 E-92 C9/94 L.T. 2. E-C2 C8/2t-09/02 1 24E c2' U. M 2.6 +-0.6 E-02 09/12 L.T. 1. E-C2 09/02 09/39 1.27E C2 CU. M 3.0 +-0.6 6-02. 09/19 L.T. 1. E-C2
> ,09/cs 09/16 1.27E r2 Co. M 3.3 +-0.6 E-92 C9/23 L.T. 9. E-C3 C9/16 09/23 1.25E C2 CU..M 3.0 +-0.6 F-02 13/02 L.T. 6. E-C3 GG/23 09/30 .1.28E C2 CO. M 3.6 +-0.7 E-02 13/10 L.T. 9. E-03 f 0: je 1
vtRGINIA ELECTRIC E PCbER CCPFAhY NCRTH AANA PCbER STATith E N PO5LRE PATHb AY - AIRfCRhF CCPPOSITE AIR P ART ICUL AT E F it TERS (PCI/CO. P I STATICA hurPEP 24 CRANGE-22.0 Pl.125 CEC.tCCNTRCLI DATE COLL ECTEC 07/01-09/3C Ga*W4 $ P E C TR UM ANALYSIS ei-7 4.C9+-0.905-02 K-40 L.T. 2. E- J 2 MN-54 L.T. 1. E-03 CC-58 L.T. 1. E-03 FE-99 L.T. 3. E-01 CC-e3 L.T. 2. E-C3 IN-65 L.T. 2. E-C3 iP-95 L.T. 1. E-03 RL-IC? L.T. 1. E-03 RU-106 L.T. 8. E-03 I-131 L.T. 1. E-C2 C!-134 L.T. 1. E-03 C!-137 L.T. 1. E-01 e .,- i 4 , t.T. i. e-02 Cf-141 L.T. 2. E-03 9 CE-144. L.T. 4 E 03
~~$ pa-22e L.T. 1. E-C2 TF-228 L.T. 1. E-03 O O O -~~
~~-n.._- --_.. . - . ...-...-... - .. .. .. - -. . _ -.-..- -... . .+ .~~
~~3 VIRGINIA. ELECTRIC.E PC'b E R - CCP P AhY NCRTH.AhNA PCbER STATICA E XPCSURE P ATPb AY - AlptCRhE -~~
.W4TERL- PRECIPITtTICN ,fpCI/ LITER 1-STATICh hureEP C1- - Ch5tTE-0.2 Pl.42 CEC DATE COLLECTED .. C 7 /01-07/ 31 08/31-08/31 09/01-09/30' R4CinCFEMICAL ANALYSIS Co-P 9.e +-1.2 E CC 4.4 +-0.9 E C1. 5.9 +-1.3 E 00 GR-B 6.1 +-0.7 E-01 S.9 +-1.2 E-01 3.4 +-0.5 E-01 nC1/sq.m. ?
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~~- Inches of rainfall 2.45 S.31 1.57 1~~
~~VIRGINIA ELECTRIC A"D POWER COMPANY NORDI ANNA POWER STATION EXPOSURE PAT 1tWAY-A,'GIENT CAMM RADIATION TLD (ar/ QUARTER)~~
. ar/ year SAMPLE.. STATION 1st QUARTER 2nd QUARTER 3rd QUARTER 4th QtMRTER ANNt'AL NtCLIDE NtBSER 12/26/79-03/23/80 03/25/83 06/24/80 06/26/79 06/24/89 TLD 01 19.421.2 21.821.1 23.0 1 0.5 74.321.2 CWHA 02 -
13.620.2 16.420.6 19.2't 0.9 59.520.9 . RADIAT!G4 03 12.210.1' 15.220.5 16.3 2 0.8 $ 7.9 21. 3 04 13.410.6 15.720.5 17.4 2 0.7 48.6 7.0(L) 05 15.320.4 20.3 0.9 23.0 2 0.9 68.021.1 05A 16.820.2 17.920.4 26.4 1 1.1 57.521.2 06 20.210.1(H) 24.0to.4(H) 20.3 2 0.9 92.011.8(H) . 07 14.520.3 18.120.7 19.1 1 0.8 72.921.6 21 14.010.6 17.120.6 20.4 2 0.6 75.3:0.8 22 18.210.3 22.020.7 26.5 2 1.1(H)' 75.321.0 n 23 19.420.5 24.220.8 25.3 2 1.0 459.520.7 L 24 8.7to.4(L) 14.110.2(L) 14.3 2 1.0 (L) 51. 2 to . 7(t) TLD ALL 15.523.4 ar/90 days 18.923.5 mr/91 days 20.9 2 4.0 nr/98 days 68.5214.0 mr/364 days COSM mean 2 0.1720.04 mr/ day 0.2120.04 mr/ day 0.211 0.04mr/ day 17.123.5 mr/ quarte r RADIATION 1 signa H = hir, hest 0.1920.04 ar/ day L = lowest STATION STATION NtNSER LOCATION AND DIRECTION NtemER LOCATION AND DIRECTION 01 ON SITE-0.2 mi. 42 deg. 06 LEW-4.7 mi.115 deg. 02 FREDERICKS !!ALL-5.3 mi. 225 deg. 07 BLW ASS-7.3 mi. 167 deg. 03 HINERAL-7.1 al. 243. 21 RottrE 685-1.0 mi. 301 deg. 04 WAR:iS CROSSROADS-5.1 mi. 287 deg. 22 ROLTTE 700-1.0 mi. 242 deg. 05 C00D al0PE O!UROl-4.2 al. 20 deg. 23 ASPEN s. ILLS-0.9 mi.158 dog. ,, 05A STURGEON's CREEK-3.2 mi. 11 dog. 24 ORANCE-22.0 mi. 325 deg. e e e --
~~~ . . \~~
l VIRGINIA ELECTRIC E PCbER CCPPANY NCRTH-AANA FCbER STATIEA 1 F EXPOSURE PATFWAY - WATER 8CRhE WATER - RIVSR (FCI/ LITER '). STATICA NUPDER 11 a e NCRTH ANNA R,CCWNS-5.8 Pl.128 DEG.. DATE COLL ECTEC CS/15 GAWMA S PE C TR UM ANALYSl$ PE-7 L.T. 7. E C1
k-40 L.T. 2. E C2 PN-54 L.T. 6. E QC C0-58 L.T. 6. ' E C0 FE-59 L.T. 1. E C1 CC-to .T. 5. E OC. -
EN-65 1.1. 1. E 01 70-95 .L.T. 7. E C* PU-103 L.T. A. E-C0 RU-136 .L.T. o. E 01 *
~~.I-131 .~~
~~L.T. 3. E 01 CS-134 L.T. 7. E CC 7 C5-l?7 L.T. 6. E CC~~
.O Pa-14C L.T. 2. E.31 CE-141 L.T. 2.'.E 01 CE-144 L.T.. 6. E 01 'pa-226 L.T. 1. E C2 TF-222 L.T. 1. E 01 . TRITIUM AP! ALY S 15 ~
F-3 1.18+-0.11E 03 I i t .A
VIPGINIA ELECTRIC E PChER CCPPANY, NCRTH AhNA PCbER STATIEk
~~, EPPCSURE PATPhAY - kATEp8CRh6 h4TER - SLRFACE (FCI/LITFR I STATick AureFR (9 DISCNLRGE LAGCCAS-l.1 St.14e DEG.~~
DAT E COLL ECTE0 07/17 07/17-09/15 08/18 09/15 RAC10CPEMICAL ANALYSIS I-131 L.T. 3. E-01 NR L.T. 2. E-01 L.T. 4. E-01 GAPMA SPECTRUM ANALYSIS P E- 7 L.T. 5. E 01 NR L .T . 6. E 01 L .T . 8. E C1 K-40 L.T. 9. E 01 NR L.T. 1. E 02 L.T. 1. E 02 FA-54 L.T. 5. E CC NR L.T. 6. E 01 L .T . 7. E CO CC-58 L.T. 5. E 00 NR L .T . 7. F 00 L.T. 8. E C0 FE-59 L.T. 1. E C1 NR L.T.. 1. E 01 L.T. 2. E C1 CO-6J L.T. 6. E CC NR L.T. 6. E 40 L .T . 7. E CO IN-65 L.T. 1. E 01 NR L.T. 1. E 01 L .T . 2. E G1 10-95 L.T. 6. E CC NR L .T . 8. E 00 L .T . 8. E C0 HL-103 L.T. 6. E OC NR L.T. 8. E 00 L.T. 1. E C1 R 0- 10 6 L.T. 5. F C1 NR L.T. 6. E 01 L.T. 7. E 01 1-131 L.T. 1. E C1 NR L .T . 3. F 01 L .T . 3. E C1
? CS-134 L.T. 6. E C0 NR L .T . 7. E 00 L .T . 8. E C0 $ CS-1?? L.T. 6. E OC NR L .T . 6. E 00 L.T. 7. E CD FA-140 L.T. 8. E OC NR L.T. 2. E 01 L .T . 2. E 01 C E- 141 L.T. 1. E 01 NR L.T. 2. F 01 L .T . 3. E C1 CE-144 L.T. 5. E 01 NR L .T . 6. F 01 L .T . 8. E C1 RA-22e L.T. 1. E 02 NR L .T . 1. F 02 L.T. 2. E C2 IF-229 L.T. 1. E 01 NR L.T. 1. E 01 L.T. 2. E 01 TRITIOM ANALYSl5 F-3 NR 1.23+-0.12E 03 AR NR 'e O O O -
~~fs-~~
-(~ . ~/ .~
VIRGINTA ELECTRtc C PChER CCPPANY ACRTH ANNA PChER STATICA . EXPOSURE PATHbAY - WATERECRAE HATER - $URFACE (PCI/LITFP 1 STATICA AUPPER C9 LAME.ANAA, UPS-2.2 Pl. 320 CEC. ICONTROLI DAT E - COLL ECTED - 07/17 07/17-09/15- 08/18 09/15 PACICCFE*ICAL ANALY5t$ I-131' L.T. 3. E-01 NR L .T . 2. E-01 L.f. 4. E-C1 CAPM4'5PECTRUM ANALY$l$ PE-7 L.T. 6. E 01 NR L .T . 7. E 01 L .T . 9. E C1 K-40 L.T. 2. E C2 NR L .T . 2. E 02 L .T . 2. E C2 MM-54 L.T. 7. E OC NR L.T. 6. E CC L.T. 8. E CO CC-58 L.T. 7. E OC NR L.T. 7. E 03 L.T. 9. E C0 FE-59 L.T. 1. E C1 NR L .T . 1. E 01 L .T . 2. E 01 CO-e3 L.T. 7. - E OC NR t .T . 7. E 00 L .T . 8. E CC 2N-45 L.T. 2. E C1' NR L .T . 2. E C1 L .T . 2. E C1 2P-95 L.T. 7 E CO NR L.T. R. F Co L .T . 8. E CG
'RL-IC' L.T. 7. E CC ' NR L .T . 8. E Co L .T . 1. E C1 RU-106 L.T. 6. E 01 NR L.T. 6. E 01 L.T. 7. E C1 p I-111 L.T. 1. E 01 NR L .T . 3. E 01 L.T. 4. E C1 g CS-134 L.T. 8. E 03- NR L .T . 7. F 00 L.T. 8. E C1 CM-137 L.T. 7. E CC NR L .T . 7. F 00 L .T . 9. E C0 ea-140 L.T. 1. E 01 NR L .T . 1. C 01 L .T . 2. E C1 CE-141 L.T. 2. E 01 NR L .T . 2. E 01 L .T . 2. E C1 CE-144 L.T. 6. E 01 NR L.T. 7. F 01 L.T. 7. E 01 PA-226- L.T. 2. E C2 NR L .T . 2. E 02 L.T. 2. E 02 TF-22R L.T. 1. E 01 NR L .T . 1. E 01 L.T. 1. E C1 TRITIU'1 ANALYSIS F-3 NR 9.6 +-1.1 E 02 AR 4R 1
l '
VIRGINIA ELECTRIC E PChER CCPPAhY NCRTH AhNA PCbER STATICh E N PO$URE P ATHk AY - A CU AT I C SEDIPEAT/ SILT IPCI/CP Cpv 1 STATICh AUFOER C8 DISCHARGE LAGCCNS-1.1 FI.148 CEC. PATE COLL ECTEC 05/15 gap *4 SPECTRUM ANALY$15 EE-7 L><. 4. E-01 K-43 4.51+-0.70E OC PN-54 L.T. 4 F-C2 CC-Se L.T. 4. E-02 FF-59 L.T. 9 E-12 CC-61 L.T. 5. E-02 ZM-65 L.T. 1. E-C1 70-95 . L.T. 5. E-02 RL-1C3 L.T. 4. E-02 RC-10e L.T. 3. E-01 1-131 L.T. 9 E-02 C5-134 L.T. 5. E-C2 C$-l?7 2.C7+-0.21E-01 EA-141 L.T. 6. E-02 n CE-141 L.T. 8. E-02 0" Cf-14A L.T. 3. E-01 R2-22e 1.38+-0.68E CC TF-228 5.61+-0.67E-Cl O O O
.. .-., - - . - _ _ - - _ _ - - _ _ - _ _ _ . . - _ _ _ _ _ _ _ - - _ _ _ - - _ _ _ _ - . . . . . . . ., _ _ ~ . . - _ . - .. . . . .. .. . .. ._ '~ . . VIRGINI A ELECTRIC E PChER CCPPANY '
NCRTH ANNA PCbER STATICA i ' EXPO 5URE-PATHhaY - ACUfTIC- *
~~SEDIREAT/ SILT~~
~~-IPCI/GP CRY -l STATICA AurPER C9-LAME ANNA.'UPS-2.2.PI. 323 CEG. (CONTROL)~~
. DATE COLLECTEC C9/15 ' i ! GAPMA: SPECTRUM ANALYSIS RE-7 <L.T. 4. 'E-01 l K-40 3.54+-0.07E CC
""4- 5 4 L.T. 4. .E-02 -CC L.T. 4 E-C2 FE-59 L.T. 9 E-02 .
. CC-t0 L.T. 4. E-02 IN .L.T. R. E-C2. . .7p-95 L.T. 4 E-02 l' RU-103 L.T. 4 E-C2 i RL-tre L.T. .4.- E-01 4 .I-131 L.T. 9. E-02 i CS-114 L.T. 5. E-C2 f- CS-137 2.17+-0.44E-01 l RA-140 L.T. 6 F-02 CC-141 L.I. S. E-02 , CF-144 L . T .' -2. E-C1 i PA-276> 9.49+-5.31E-01 (5 TF-22e 1.C4+-3.10E OC 0' 4 i i l i I i L i 1 t l 1 l 4 6
~~-, - - . . . , . , , - . - - . . , -. m. . .~~
VIRGINIA ELECTRIC E FCbER CCPPANY ACRTH AANA PChER STATICA ENPOSURE PATHbAY - ACUATIC SEnt>EhT/ SILT I P C I /r,P cpy ) STATICA huPREP 11 NCRTH ANNA R,00whS-5.8 Pl.128 CFG. DATE COLLECTEC 09/15 CAPPA SPECTRUM ANALYSIS BE-7 L.T. 4. E-01 K-40 2.57+-0.26E 01 PA-54 L.T. 4. E-02 CC-58 L.T. 5. E-C2 FF-59 L.T. 1. E-01 CC-60 L.T. 5. -E-02 IN-65 L.T. 1. E-01 29-95 L.T. 5. E-02 RL-lC? L.T.
E-02 RL-lCe L.T. E-01 I-111 L.T. s. E-Cl C5-134 L.T. 6. E-02 C5-137 9.40+-3.27E-02 88-142 L.T. 8. E-02 CE-141 L.T. 7. E-C2 CF-144 L.T. 3. E-Cl pa-22e 1.17+-C.16E 30 it-22e 1 14+-0.llE 00
?
~~0 0 0 0~~
~~. _ _ _ . _ _ _ - - - _ _ _ . _ . , _ _ _ , __ m. ._ _ _ ~ ._ _ .._ . __.. -..., , ,_~~
~~WIRGINIA ELECTRIC E FChER CCPPANY 4 ACMTH AANA PChER STATICA~~
~~. SHORELINE SOIL (PC1/G" CRY )~~
STATICA'NUPPER- C5 LAME ANNA, UPS-2.7 Pt. 323.CfC. (CCNTRCL) I 4 CAT E ' COLL ECT EC C5/15 t
~~3. Gawwa SPECTRUM A*lALYSIS.~~
4 ! PE-7 -L.T. 5. E-C1 ];
~~~ 'K-4C 6.48+-0.73E CC .~~
t Pk-54 .L.T.' 5. 5-32 CC-se L.T.. 5.. E-02 FE-55 L.1. ; 1. -- E-J1 CC-61 L.T. 5. -E-02
~~.lN L.T. 1. -E-01 .~~
~~. -1R-95 L.T. E-02 RL-103 L.T. . 6.~~
~~6. E-02 l'~~
/PC-106 - L.T. 4. E-01 .I-111 L.T.- 3. E-Cl C5-1?4 L.T. 6. E-02 .CS-137 4.296-0.47E-01 EA-14' L.T.. 1.' E-01
~~, CE-141 L.T.. 1. ,E-01 4~~
~~'CE-144 L.T.' 3. 2-01.~~
~~RA-22e 1.52+-0.19E 00 TF-228 1 58+-9.16E OC' ) ..~~
~~? .~~
M l 4 i i . 1 i t i-1 I I I l l l l-l r - - --r , ..., .. ..,-.
vlRGINIA ELECTRIC C PCbER CCPPANY NCRTH AANA FCbER STATith E)POSLRE PATHkAY - INCESTICh P I LM IFC1/ LITER I STATICA NUFEER 12 HCLLADAY DAIRY-8.3 Pl.310 CEG. CATE COLLECTCC 07/16 07/16-09/15 08/13 C9/15 RACICCFEMICAL ANALYSIS SR-89 NR L.T. 4. E 00 hp PlR
$R-90 NR 3.3 +-0.5 E 09 AR NR l-111 L.T. 1 E-01 NR L .T . 2. E-C1 L .T . 2. E-C1 CAPPa SPECTRUM ANALYSIS CE-7 L.T. 6. E C1 NR L .T . 5. E 01 L .T . 5. E C1 K-4C 1.25+-0.12E 01 NR 1 21+-0 12E 03 1.23+-C.12E C3 PN-54 L.T. 6. E CO NR L.T. 6. E 00 L.T. 6. E CO CC-Se L.T. f. E OC NR L.T. 6. E C0 L.T. 6. E C0 FE-59 L.T. 1. E 01 NR L .T . 1. E 01 L.T. 1. E 01 CC-60 L.T. 7. E CC NR L.T. 6. E C0 L .T . 6. E CO ZA-65 .L.T. 1. E 01. NR L.T. 1. E 01 L .T . 1. E C1 20-95 L.T. 7. E CC NR L .T . 7. E 00 L.T. 6. E C0 RO-10? L.T. 7. E CC NR L .T . 7. E 00 L .T . 6. E C0 RL-1Ce L.T. 6. E C1 NR L.T. 5. E C1 L .T . 6. E C1 1-131 L.T. 1. E 01 NR L .T . 1. F 01 L.T. 8. E CO CS-134 L.T. 7. E C3 NR L .T . 7. E 00 L.T. 7. E CO CS-137 L.T. 7. E CC HR L .T . 7. E 00 L.T. 7. E C0 Et-140 L.T. 9. E 03 NR L .T . 8. E CO L .T . 8. E CC CE-141 L.T. 2. E C1 NR L.T. 1. E 01 L .T . 1. E 01 n CE-144 L.T. 6. E 01 NR L .T . 6. E 01 L .T . 6. E C1 d.
RA-226 L.T. 1. E 02 NR L.T. 1. 5 02 L.T. 1. E C2 TF-228 L.T. 1. E C1 NR L .T . 1. E 01 L.T. 1. E 01 e O O O .
. VIRGINIA ELECTRIC E PChEn CCPPANY ACRTH AAN4 FChER STATICA E X POSURE P ATHb AY - IkCISTICh & ILM IPCI/ LITER 1 STATICh huPR F R . 13 FREDERICKS HALL-5.6 kl.205 CfC.
~~pat E COLL ECTEC 07/16. 07/16-09/15 08/13 C9/15 aACICCFEPICAL ANALYSIS~~
$R-89 NR L.T. 4. E C0 hp NR $*-90 NR .3.2 +-0.4 E CO Na NR I-131 L.T. 4. -E-Cl NR L .T . 2. E-01 L .T . 2. E-01 GaPMA $PECTRUM ANALYSIS DE-7 L.T. 5. E Cl NR L .T . 6. E 01 L .T . 6. E Cl M-40 1.42+-0.142 C3 NR 1.4e+-0.15E 01 1 2R+-0 14E 03 kN-54 L.T.- 5. E 00 NR L .T . 7. F 00 L .T . 7. E C0 CD-Se L.T. 5. E OC NR L .T . 7. E CC L.T. 7. E C0 FE-59 L.T.. 1. E Cl NR L.T. 2. E 01 L.T. 1. E 01 .CC-60 L.T. 6. E CC NR L .T . 7. E 00 L.T. 7. E C0 IN-65 L.T. 1. E 01 HR L .T . 2. E 01 L .T . 2. E C1 2R-95 L.T. 6. E C0 NR L .T . 7. E CO L.T. 1. E C0 RL-Ici L.T. 7. E CC NR L.T. R. F 00 L.T. 7. E CO PC-ICL L.T. 5. E C1- Na L.T.- 7. E 01 L .T . 6. E 01 I-131 L.T. 1. E 01 NR L .T . 1. E 01 L .T . 9. E C0 C!-134 .L.T. 6. E OC NR L .T . 8. F CO L .T . 8. E C0 n CS-117 L.T. 7. F CC NR L.T. 7. E 00 L.T. 7.- E CG & PA-14" L.T. 9. E CC NR L.T. 1 E 01 L .T . 8. E C0 " CE-141 L.T. 1. E 01 NR L.T. 1. F, 01 L .T . 1. E Cl CF-144 L.T. 5. E 01 NR L .T . 6. E 01 L .T . 6. E 01 PA-275 L.T. 1. E C2 NR L.T. 1. E 02 L.T. 1. E 02 it-22P L.T. 1. E Cl NR L.T. 1. E 01 L .T . 1. E 01
n . -- 4 VIRGINIA ELECTRIC C PCbER CCPPANY NrRTH AhNA FCbER STATI(h EtrC5URE PATHhaY - TNCESTICh P ILK IPC1/ LITE 8 1 STATICh AUPPCR 14A CATE COLLECTED C7/16 07/16-09/15 08/13 C9/15 RAC10CEEMICAL ANAI1515 . 59-89 NR L.T. 3. E CO hp NR
$R-93 NR 3.1 +-0.4 E CO NR NR I-131 L.T. 3. E-C1 NR L .T . 2. E-01 L .T . 2. E-C1 GA>>A SPFCTRUw ANALYSIS EE-7 L.T. 6. E 01 NR L .T . 6 E 01 L.T. 5. E C1 K-4J 1.C3+-0.12E 33 NR 1.04+-o.10E 03 1 50 +-0.15E 0 3 MN-54 L.T. 6. E 00 NR L.T. 7. E CO L .T . 5. E C0 CC 58 L.T. 6 E 00 NR L.T. 7. E 00 L.T. 5. E C0 FE-59 L.T. 1. E 01 NR L .T . 2. E 01 L .T . 1. E 01 CC-60 L.T. 7. E 00 NR L .T . 7. F 30 L.T.- 6. E 00 19-65 L.T. 1. E 01 NR L .T . 2. E 01 L.T. 1. E 01 24-95 L.T. 7. E CC NR L.T. 7. E CO L.T. 5. E C0 p t. - 10 ? L.T. 7. E C0 NR L.T. 7. E 0a L .T . 6. E C0 R L*- 10 e L.T. 6. E 01 NR L.T. 6. E 01 L .T . 5. E C1 1-131 L.T. 1. E 01 NR L .T . 1. E 01 L .T . 8. E CC CS-ITA L.T. 7. E CC NR L.T. 8. E CO L .T . 6. E C0 CS-13T L.T. 7. E CC NR L.T. H. E CO L .T . 6. E C0 n ea-140 L.T. 1. E C1 HR L .T . 9. E C0 L .T . 6. E C0 0- CF-141 L.T. 1. E C1 NR L .T . 2. E 01 L.T. 1. E 01 " E 01 E 01 CE-144 L.T. 6. E C1 NR L.T. 6. L.T. 5.
RA-226 L.T. 1. E C2 NR L.T. 2. E 02 L .T . 1. E 02 TF-22H L.T. 1. E C1 NR L .T . 1. E 01 L . T .* 1. E C1 , O O O .
~~-(}. . (Q 3 . n V~~
~~s VIRGINIA ELECTRIC f PCbER.CCFPANY , NCRTH AhNA PChER STATICA~~
~~, EXPOSURE PATHbAY - thCE$TICA VEGETATIch - TERRE! TRIAL (PCI/GF hET I STATIch huweE9 21 RCLTE 6R5-1.0 FI.371 C EC .~~
DAT E COLL FCTEC 02/19 08/19 GAFWA SPECTRUM ANALYSIS EF-7 1.60+-0.22E OC 7.19+-2.37E-31 M-40 3.36+-0.47E OC 5.90+-0.RRE 00 FN-54 L.T. 3. E-C2 L.T.' 3. E-02 CC-Se L.T. 3. E-02 L.T. 3. E-02 FE-59 L.T. 5. E-02 L.T. 6. E-07
~~'CC-63 L.T. 3. E-C2 L.T. 3. E-42 24-6" L.T. 5. E-02 L.T. 6. E-0?~~
Ze-95 L.T. 3. E-02 L.T. 3. E-(2 RL-lCP- L.T. 3. E-02 L.T. 3. E-02 RL-lat L.T. 2. E-Cl L.T. 3. E-01 I-131 L.T. 6. E-02 L.T. 6. E-02 CT-134 L.T. 3. E-02 L.T. 3. E-72 C5-137 7.70+-2.465-02 5.R4+-2.57E-02 PA-140 L.T. 5. F-C2 -L.T. 4. E *2 CF-141 L.T. 6. E-02 L.T. 7. E-07 CE-144 L.T. 2. E-J1 L.T. 3. E-r1 RA-22e L.T. 6. E-01 L.T. 7. -E-Cl TF-22P 2.15+-0.55E-Cl L.T. '6. 'E-02 n s m _ - _ _ _ _ _ - - - - =
v!RGINIA ELECTRIC C PCbER CCPPANY NCRTH AhNA PCbER SiaTith EXP05tmE PATPbAY - INCESTICk VFGETATICA - T ERREST R I AL (PCl/GM hET I STATICh AureER 23 ASPEN HILLS-3.9 Pl.158 CEG. PATE COLL ECTED 02/19 an/19 CAPWA SPECTRLM ANALYSIS eE-7 1.57+-0.295 CC 1s27+-0.38E CJ K-40 3.55+-0.5tE CC 5.63+-0.8&E 00 PN-54 L . T. 3. E-02 L.T. 4. E-02 CC-52 L.I. 3. E-02 L.T. 4. F-C2 FE-5S L.T. 6. E-32 L.T. 1. E-31 CC-60 L.1. 3. E-02 L.T. 5. E-62 IN-65 L.I. 6. E-02 L.T. 1. E-01 la-gs L.g. 4 E.02 L.T. 5. E-02 PL-103 L.f. 3. 2-02 L.T. 5. E-02 RU-106 L.T. 3. F-01 L.T. 4. E-01 1-131 L.T. R. E-02 L.T. 1. E-11 C$-134 L.T. 3. E-C? L.T. 5. E-07 CS-137 7.C1+-2.81E-32 L.T. 4 E-C2 It a- 14 ? L.T. 5. F-C2 L.T. 8. E '? CE-141 L.T. 7. E-02 L.T. 9. E-02 CE-144 L.1 3. E-01 L.2 4. E-Cl RA-22e L.T. 7. E-01 L.T. 8. E-11 TI-22M 4.e7+-0.58F-01 L.T. 7. F il2
?
~~a 9 O O -.~~
~~& 4 WTELEDYNE ISOTOPES O~~
FOUR111 QUARTER 1980 l O O ID
WTELEDYNE ISOTOPES TABLE OF CONTENTS h FOURTH QUARTER 1980 PAGE SUFNARY AND DISCUSSION OF RESULTS LIST OF TABLES 3D LIST OF FIGURES 3D EXCEPTIONS AND SPECIAL EVENTS 4D AIRBORNE EXPOSURE PATHWAY SD DIRECT EXPOSURE PATHWAY 10D WATERBORNE EXPOSURE PATMiAY 13D INGESTION EXPOSURE PATHWAY 20D CONCI,USIONS 23D O G 2D
WTELEDYNE ISOTOPES
~~, LIST OF TABLES FOURTH QUARTER 1980-PAGE TABLE 4 Remp Summary - Airborne Exposure 6D~~
~~- TABLE S Remp Summary - Direct Exposure 12D TABLE 6 Remp Summary - Waterborne Exposure ISD~~
~
TABLE 7 Remp Summary - Ingestion Exposure 22D LIST OF FIGURES FOURDI QUARTER 1980 FIGURE 3 Airborne Exposure - Gross Beta. and Ce-144 (1977-1980) 7D FIGURE 4 Direct Exposure - Environmental TLD (1977-1980) 11D FIGURE 5 Waterborne Exposure - Tritium (1977-1980) 140 2'o ti = s>resure - sr-$o ct977-198o) 0- cuas 6 '# I l l 1;
~~.()~~
~~L i~~
~~-3D-~~
T TTELEDYNE ISOTOPES EXCEPTIONS AND SPECIAL EVENTS FOURTH QUARTER 1980 OCT6BER 1, 1980 - DECEMBER 31, 1980 llh EXCEPTIONS During the fourth quarter of 1980 the schedule of analyses of samples from the vicinity of the North Anna Power Station (NAPS) was followed with the exceptions tabulated below: collection pathway sample station period exception Airborne AP, C 01 12/23-12-30 sampling equipment malfunction
~~" AP, C " "~~
~~06 10/07-10/14~~
~~" AP, C " "~~
~~23 11/25-12/02~~
~~" WP 01 12/01-12/30 low rainfall, 0.61 inch (unable to perform gross beta)~~
SPECIAL EVENTS g The Peoples' Republic of China detonated an atmospheric, nuclear test on October 16, 1980. The gross beta activities on weekly air particulate filters increased by approximately a factor of three for the weeks of 12/02 through 12/30. The quarterly composites of the weekly air particulate filters con-tained the fission products Zr-95, Ru-103, and Ce-141. O 4D
T TELEDYNE ISOTOPES AIRBORNE EXPOSURE PATifdAY (OCTOBER 1, 1980 - DECEMBER 31, 1980) O AIR PARTICULATE FILTERS (STATIONS 1-7, 21-24) The gross beta activity increased from approximately 0.03 pCi/Cu.M. at the beginning of the quarter to a high of 0.11 pCi/Cu.M. during the week of 12/02-12/09. The gross beta decreased to approximately 0.08 pCi/Cu.M. at the end of the quarter. The increase is attributed to the Chinese atmospheric, nuclear test on October 16, 1980. On the gamma spectral analysis of the quarterly, composited air particulate filters, the relatively short-lived fission products Zr-95, Ru-103, and Ce-141 were measured. These nuclides are attributed to the Chinese atmospheric, nuclear test. The Ce-144 activity, if any, con-tinues to be below the limits of detection (see Figure 3). AIR RADI0 IODINE (STATIONS 1-7, 21-24) No I-131 was detected in the weekly charcoal cartridges collected in the vicinity of NAPS. PRECIPITATION (STATION 01) Gross beta deposition in rainfall ranged from 0.091 to 0.53 nCi/sq.m. during October and November. There was insufficient rainfall in December {} for a gross beta measurement. SOIL (STATIONS 1-7, 21-24) No soil samples were scheduled during the fourth quarter of 1980. O v
~~-SD l~~
~~TABLE 4 R ACIOLCGIC AL EkvlRChWENTAL PCNITORING PROGRAM~~
~~SUMMARY~~
PATPWAY- AIRBORNE COMPILATION - CUARTERLY $UPMARY VIRGINIA ELECTRIC C POWEP. CCMPANY SOMPL E - A IR PARTICULATE FILTER $ CONTRCL - OR ANGE-2 2.0 Pl .125 CEC.NW NORTH ANNA PCbER STATICN U3117 5 - PCI/CU. M ANALYSIS NO LIMIT OF ALL INDICATOR $ APPLES LOCAT ION hlTH FIGHT 5T ME AN CONTRCL LOCATICN hCh- REPCRTIAG PERIOD DETECTION PEAN X E-00 MEAN X E-00 MEAN X E-00 RCUTINE PEAN X E-00 RANGE STATICN FRACTICA RANCE RANGE FRACTION S T AT ICN C E S CR I P T IO'd FRACTICN CR-e 165 0.0076 ' 0.06C 0.078 0.061 0 09/30/80-12/30/80 C.047 - 0.078 21 014/014 c.016 - 0.16 0.028 - 0.11 165/165 RCUTE 685-1 0 Pl .301 DEG. 014/014 8E-7 12 0.0120 0.0592 0.0823 0.0733 0 09/30/80-12/30/80 0.0341 - 0.0823 22 001/001 0.0823 - 0.0823 0.C733 - 0.0733 012/012 RCUTE 700-1.0 Pl.242 DEC. CC1/C01 ZQ-95 12- 0.00180 0.00615 0.0119 0.00646 0 09/30/80-12/30/80 C.00278- 0 0119 21 001/001 C.0119 - 0.0119 0.CC646- 0.00646 009/012 RCUTE 685-1.0 PI.301 DEC. 001/C01 RU-103 12 0.00120 0.00490 0.00720 0.00554 0 09/30/80-12/30/80 C.0C245- 0.00720 05 001/001 C.00720- 0.00720 0.C0554- C.00554 g C09/012 GCCD POPE CPURCF-4.2 MI.20 CEG. 001/C01 CE-141 12 0.00180 0.00468 0.00685 0.00490 0 09/30/80-12/30/80 0.00303- 0.00685 07 001/001 C.00685- 0.00685 0.C0490- 0.00490 007/012 BUPPASS-7.3 Pl.167 CEC. 001/001 QA-226 12 0.030 0.0220 0.0280 LT 0.0200 0 09/30/80-12/30/80 0.0280 - 0 0280 03 001/001 0.0280 - 0.0280 LT 0.C200 -LT 0 0200 C01/012 PIAERAL-7.1 Pl.243 CEG. C00/001 TH-228 12 0.0030 0.00529 0.00529 LT 0 00200 0 09/30/80-12/30/80
C.CC529- 0.00529 07 001/C01 C.00529- 0.00529 LT 0.CO200-LT C.00200 C01/012 BUPPA$$-7.3 Pl.167 CEG. CC0/001
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TABLE 4 PACI0 LOGICAL EkvlRChPENTAL PCNITORING PROGRAM $UMMARY ptTPWAY- AIRBORf4E COMPILATION - CUtRTERLY SUPMARY VIRGINI A ELECTRIC & POWER CCPPANY 5 AMPL E - CHARC04L F I L TE R S CONTRCL - OR ANGE-2 2.0 Pl.'25 CEG.NW NORTH ANNA P0bER STATICk UNITS - PCI/CU. M All AL Y S I S NO LIMIT OF ALI. INDICATOR $ APPLES LOCATICH hlTP FIGHEST MEAN CONTROL LOCATICN hCN- REFCRTING PERIOD DETECTION PE A;4
E-00 MEAN X E-C0 MEAN N E-00 RCUTINE MEAN X E-03 RANGE STATICN FRACTI(h RANGE RANGE FRACTION STATICN CESCRIDTION FRACTICN I-131 les C.024 LT 0.020 LT 0.020 0 09/30/80-12/30/80 LT 0.C10 -LT 0.020 LT 0.C050 -LT 0.020 C00/165 C00/014 5
*a O O O .
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~~6. 4 R ACIOLCGliL*L E AVIRChPEN TAL PCAITCRING PROGR AM~~
~~SUMMARY~~
~~FATFWAY- AIRBORNE COMPILATICN - CUARTERLY~~
~~SUMMARY~~
VIRGINIA ELECTRIC & POWER CCMPANY SAMPLF - WATER - PRECIPITATION CCNTROL - NORTH ANNA P0hER STATICN UNITS - PCI/ LITER ANALYSIS NO LIMIT OF ALL INDICATOR $ APPLES LOCAT ION h!TF FIGHEST ME AN CONTROL LOCATICN ACN- REFCRTING PERIOD DETECTION PEAN X E-00 MEaN X E-00 MEAN X E-C0 RCLTINE PEAN X E-00 RANGE STATICN FRACTIEN RANGE RANGE
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_______________._________ 'a'c GR-e 2 13. 13. 0 10/01/80-11/30/80 6.1 -
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20. 002/002 ONSITE-0.2 FI.42 CEC E GR-B rainfall deposition pCi/ liter inches nC1/sq.m 6.111.0 E 00 3.43 5.320.9 E-01 10/01-10/31 2.010.2 E 01 1.79 9.120.9 E-02 11/01-11/30 (a) 0.61 (a) 12/01-12/30 (a) Insufficient samplo, t
WTELEDYNE ISCTn3 PES DIRECT EXPOSURE PATHWAY (OCTOBER 1, 1980 - DECEMBER 31, 1980) ll) ENVIRONMETRAL GAntA DOSE-TLD (STATIONS 1-7, 21-24) The average garma environmental radiation dose in the vicinity of the North Anna Power Station during the fourth quarter of 1980 remained at 0.21 mr/ day. The range of gamma environmental dose was 0.17 to 0.27 mr/ day and the highest dose of 0.27 mr/ day was at station 06. The lowest dose was 0.17 at station 24. See Table S, the REMPS table of direct exposures and Figure 4, the plot of average dose levels monitored in the environs of the North Anna Power Station. O 0 10D
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