Text

Annual Environ Operating Rept,Part B:Radiological,For 1980
	ML20003E579
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	03/31/1981
From:	; NORTHEAST UTILITIES SERVICE CO.
To:	;
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ML20003E577	List: B10183, Forwards Annual Environ Operating Rept,Part B:Radiological, for 1980; ML20003E579;
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4 HADDAM NECK STATION J

RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM i

l ANNUAL ENVIRONMENTAL OPERATING REPORT PAP 1 B j

PERIOD JANUARY 1, 1980 - DECEMBER 31, 1980

- O oocxtr no 50-213 LICENSE NO. DPR-61 i

PREPARED FOR THE~

CONNECTICUT YANKEE POWER C?tiPANY f

HADDAM, CONNECTICUI i

BY THE l

l-NORTHEAST UTILITIES SERVICE COMPANY BERLIN, CONNECTICUT i

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,p TABLE OF CONTENTS v

i Page No.

1.0 Summary 1-1 2.0 Program Description 2-1 9

2.1 Sampling Schedule and Locations 2-1 2.2 Samples Collected During Report Period 2-9 3.0 -Radiochemical Results 3-1 4

3.1 Summary Table 3-1 3.2 Data Tables 3-13 4.0 Discussion of Results 4-1 5.0 Offsite Dose Consequences 5-1

~ 6.0 Discussion 6-1 1-Appendix A - Cow and Goat Census for.1980 A-1 Appendix B - QA Program B-1 4..

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SUMMARY

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The radiological environmental monitoring program around the Haddam Neck Plant was continued for the period January through December 1980, in compliance with the Environmental Technical Specifications, Section 3.2.

This report for 1980 was prepared for the Connecticut Yankee Atomic Power Company (CYAPCO) by the Radiological Assessment Branch of the Northeast Utilities Service Company (NUSCO).

Interex Corporation of Natick, Massachusetts performed all the radiochemical analyses except for tritium in water and the gamma exposure measure-ments which were performed by Teledyne Isotopes, Inc. and NUSCO, respectively.

Interex Corporation also assisted in the qualitative interpretation of the laboratory data. Radiation Management Corpor-ation was.used as an independent check on the primary contractors' laboratories as part of the overall quality assurance program.

Radiological analyses were performed with gamma exposure measuring devices and on samples of air particulates and iodine, soil, milk, pasture grass, well water, reservoir water, fruits, vegetables, river water, bottom sediment, shellfish, and fish. The predominant radioactivity, indicated by the results, was that from nonplant sources, such as fallout from nuclear weapons tests and from naturally occurring radionuclides.

Plant related radioactivity, above the minimum detectable levels was observed in the first half of 1980 as tritium (H-3) in river water collected from the vicinity of the mouth of the discharge canal; throughout the year as cesium-137

()

and cesium-134 (and cobalt-60 in the second quarter) in bottom

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sediment collected from the vicinity of the mouth of the discharge canal; throughout the year as cesium-137 ' collected in fish from within the onsite discharge canal; and throughout the year as tritium in the onsite wells.

The variability of levels of radioactive material in environmental media depends on many factors. These factors include plant release rates, meteorology, number and size of nuclear weapons tests, seasonal variability of fallout, soil conditions, pasturing habits, local terrain, and locational variability of fallout. Significant variations in measured radioactivity could be caused by any one of these factors. 'Therefore, all of these factors need be considered in order to explain such variations.

As usual, cesium-137 and strontium-90 were measured in both cow and goat milk. These levels are a result of nuclear weapons testing in the 1960's and not the result of plant operation. This can be concluded based on the facts that insufficient quantities ~(at least 2000 times less) of these isotopes _ have been released by the plant

~

to account for-the measured concentrations, that chemically similar cesium-134 and strontium-89 which_are released in about equal or larger quantities from the plant can not be detected and that similar levels of cesium-137 and strontium-90 were detected prior

~to initial plant operation, f 's

( !

The radiation dose to the general public from the plant's discharges -

has been evaluated by two methods. One method utilizes the measured 1-1

station's discharges and conservative transport models and the I) other utilizes the measured concentrations of radioactivity in the environmental media. The maximum whole body dose (station boundary) that could occur to a member of the general public as a result of the plant's discharges was 1.3 millirem and the average dose to a member of the public residing within 50 miles of the plant is 0.0016 millirem. These doses are 5.2 percent and 0.006 percent of the standards as set by the Environmental Protection Agency on the maximum allowable dose to an individual of the general public.

These_ standards are a small fraction (20 percent) of the 125 mrem per year normal background radiation and are designed to be inconsequen-tial in regard to public health and safety. Plant related doses are even a smaller fraction of the natural background; they are less than 10 percent of the variation in natural background in Connecticut. Therefore, for the above stated reasons the plant related doses have insignificant public health consequences.

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l 2.0 PROGRAM DESCFIPTION 2.1 - Sampling Schedule and Locations i

The sample locations and the sample types and frequency of 1

analysis are given in Table 2-1 and 2-2 and Figures 2.1, 2.2 i

and 2.3.

The program as described here is that which is required by Environmental Technical Specification 3.2.

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Q TABLE' 2-1 CONNECTICUT YANKEE RADIO!J1GICAL ENVIRONMENTAL MONITORING PROGRAM Sample Type. Frequency and' Analysis Distance -

Gamma Air (d)

' Location'

'& Direction (a)'

Dose Particulate Soil Vegetatton Water Milk Terrestrial Stations-

-1. 'on site fence near boron vaste

- storage tanks

-0.5 alles, N M.:

2.

On site fence near waste gas -

surge' sphere 0.5 miles. N M

.3.

.On site fence near discharge canal 0.5 miles, SSE M'

4.

On site fence near guard house 0.5 miles, WNW-M Wi-M2-QS ((*))

A2,5 5.

On site.Injun Hollow Road 0.5 miles. NW M

W1-M2-Q5 *)

A2,5 6.

On site - Substation-

.1.0 mile ENE M

I W1-M2-Q5

A2,5 7.

Haddam 2.0 miles S5 M-s 8.

East Haddam 3.0 alles ESE M

W1-M2-Q5' A2,5

9. _.Higganum

-3.5 miles WNW M

W1-M2-Q5 A2,5

10. Hurd Park Road-East Hampton 3.0 miles NNW H

W1-M2-Q5 A2,5 11.'Middletown a10.0 miles NW.

M W1-M2-Q5 A2.5

8.0 miles.SSE M

W1-M2-Q5-A2,5' b 12. Deep River

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13. North Madison

- *12.0 miles SW' M

W1-M2-Q5 (*)

A2,5

14. Colchester

10.0 miles ENE M

W1-M2-q5

.A2,5 M1,2,4,5

~15.'On Site - Wells 0.5 miles SE 16.' Vell - State Highway Dept.

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Q1,2,4,5

' East Haddam.

3.0 miles S

17. Well - Injun Hollow Road 1.0 mile, NW QL,2,4,5 Q1.2.4.5

.18. Well - Haddam.

1.0 mile, S 1

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'19. Cow Location #1 1.5 miles tem

20. Cow Location #2

' 2.2 miles ESR

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21. Cow Location #3 2.8 miles. E

22. Cow Location #4'

11.0 miles ENE M3 M3

23. Goat Location #1

t1.0 miles EP'E

,24. Goat Location #2 1.amites Ng M3 Al e3 (h)

25. Fruits & Vegetables

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O TABt.E ?_1 (continued)

I Sample Type. FresuencyI } and Analysis

his'tancega)

Bottoe Direction Sedisent Water Fishfi)

She11 fish,

i location Aquatic Stations i

Q2.3

26. Conn. River - Vicinity of intake 0.5 milet. SSW Q2,3

27. Conn. River - Mf gganus L'ight

3 mile, NW Q2,5 i

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28. Conn. River - E. Haddam Bridge

2 mile, SE Q'2."5 connecticut niver. vicinity of,cHe o.75 mile. ESE 42.5 Q1,2,4,5 Q2. 3(I) 29.

Plant Discharge Canal Q1,2,4e5, Q2,3Ig) 30.

Conn. River - Hiddletown

9 mile, NW m

l L

Q2,3 l

31. 'Houth of the Salmon River 1.5 mile, SE a

Control Stations (a) Distance to nearest half mile 1

(b) W - Weekly. H - Monthly, Q - Quarterly, SA - Seel'-Annual, A'- Annual (c) 1 - Cross Beta, 2 - Camma spectrum, 3 - I-131, St-89, Sr-90, co-137, 4 - H-3i 5,,- Sr-89, Sr-90,,Cs,-137 (d) During the period April through October and or.cs in February (c) Includes a charconi filter that la to be analyzed weekly for I-131 (f) Analysco are done on the month'ly and quarterly composites (g) A almilar analysla vill be 'done on milk instead of grase if the former is avellable (h) During the harvest season, when available from commercial farne (i) Bullheads and when available perch

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O TABLE 2-2

"*WIMUM DLTECTABLE 1.EVELS IN FNVigCMMOFTAL SAMPl.ES AWD1ESUt.Tilec DOSES Minimum I

Detectable Annual Dose I.evels' Associated Asummet latake with Pet.' (area)

Critteel oraan Analysts Samole Stae (Pet.)

Saeyte Type well and River Water Croco bete 1 liter 1 pct /t s

Casme spectrue 3 liter 20 pC1/3' 440 1 Sr-89 2 litar 2.0 pct /1 0.2 bone 8

440 1 St-90 2 liter 1.0 pct /1 1.0*

bone Co-137 2 liter 6.0 pct /1 0.078*

whole body 440 1 m

440 1 m-3 2 liter 60 PC1/1 0.005 body ttsewe 8

0.05 pct /g'

Bottom Sediment and Soll Casuna spectrum 1 kg Sr-89 1 kg 0.072 pct /s Sr-90 1 kg 0.036 ;C1/g Co-137 1 kg 0.064pCl/g 0.05 pct /n' 18.3 k g Fish and Shelltteh Camma spectrum I h4 Sr-89 100 g 0.018 pct /g 0.08 bone 18.3 hs 5.cne sr-90 100 g 0.fMF8 pct /n 0.4 whole body 18.3 kg 0.056 pCf/g 0.031 C*-137 100 g whole body 12 month TI.D 1 month I erce espegure Caaen Daw capogure Chttd's eleyroid 183 1

't-331 4 liter 0.5 pct /1 1.6 183 1 St-R9 1 liter 2.0 pct /1 0.08 bone 181 1 Milk

bon, Sr-90 I liter I.0 pct /l 0.40 whole body IRI I Cg-137 I liter 6,r pct /l 0.0 16 4

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Annectated with puit.' (ar en)_

Critical Organ Annuel_ lata W L)

Analyste

_ Semple Site 270m3 0.04 pct /m3 0.5 '

Chtle's thyroid 1100 m3 Semele Type 1-131 38 l

0.01 pC1/m

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Child's thyteld Comme Spectrum 1 ha I-831 1 kg 0.05 pCl/g Vesetation Sr-89 1 kg 0.018 pct /s Sr-90 1 kg 0.009 pCl/g Cn-137 1 kr.

0.014 rCl/r.

7 U1 F.eue.! cs, a caill e.all.

witti Co-117 of 1.5 pct =1 coemit per minute M

8 For 05-117 nennelpr ein late rference f rom other nuclides They apply to the activitF et the Three are sta: mum pr.artirat detectable level', (Mot.) se opposed to alieore** cal detection limits.

Cs-137 used as a refcee owc source time af a.wels wilectlawi. HDL e 2 o background.

done.

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F t.i.+1 n It.itinn rosencil reporte i.es Radiation Prorcetten Coefden and seanclated Applieg to drinkleir, w.ste r unty k

f 183 1.

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5 2.2 Samples Collected Durina Report Period

O The following table susearizes the number of required samples of each type collected durang the present reporting peri'.,d

Sample Type Number of Sangsles Gamma Exposure Rate (TLD) 166 t

Air Particulates 520 l

Air Iodine 208 Soil 10 s

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Dairy Milk 32 l

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Pasture Grass 2

t Well Water 24 5

Fruit and Vegetables 8

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3.0 RADI0 CHEMICAL RESULTS 3.1 Summary Table In accordance with Environmental Technical Specification 5.6.la., Table 5.6-1, a summary table of the radiochemical results has been prepared and is presented in Table 3-1.

In the determination of the mean the data was handled as recommended by Health and Safety Laboratory, Idaho: all valid data, including negative values and zeroes were used in the determination of the mean (see part 3.2).

A more detailed analysis of the data is given in section 4.0 i

where a discussion of the variations in the data brings to light many aspects that are not evident in the summary table because of the basic limitation of such an approach.

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r TABLd 3-1 En71ROISEENTAL RAD 10thCICAL MONITORING PROGRAM SLT*NRY ColeIECTICUT YANEEE ATOMIC POWER COMPANY. HADDAM NECE PIANT i

DOCKET 50-213 JAIRIARY - DECEMBER 1980 IRIMBER OF ANALYSIS AII0 MINDRIN alt. INDICATOR thCATION WITH HICHEST ANNUAL MEAN CONTROL LOCATIONS If0NROUTINE REPORTED TOTAL NLSIBER DETECTABLE' LOCATIONS MEDIUM OR '-

~ OF APALYSES LEVELS (b)

NAME. DISTANCE (b)

(b)

MEASURDIENTS PATIFuY SAMPLED PERPotMED (WL's) (a)

Mean (Range)

AND DIRECTION Mean (Ranae)

Mean (Ranae)

(c)

Sr 6.4 Higganum Soil 3.5 milee m (PC1/g)

S r-89

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(-0.01-0.011) 0.011 (N/A)

-0.001

(-0.02-0.010)

.L Substation St-90 0.036 0.14 (0.06-0.33) 1 mile E!E 0.33 (N/A) 0.20 (0.12-0.264 0

Ce(L1) 6.4 Deep River

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CS-134 0.2 0.0-N/A N/A 0.0 0

Mn-54 0.2-0.0 N/A N/A 0.0 0

Co-58 0.2 0.0 N/A N/A 0.0 0

Co-60 0.2 0.0 N/A A/A 0.0 0

Zr-95 0.3 0.0 N/A N/A 0.0 0

0.0 N/A N/A 0.0 0

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10.3 (9.1-11.9) 10 miles ENE 17.0 (N/A) 13.2 (8.8-17.0)

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JANUART - DECEMBER 1980 5

NUMBER OF ANALYSIS Als MINDRIM ALL IBOICAYOR 14 CATION WITH HICHEST ANNU_AL MEAN CONTROL LACATIONS NONROUTINE REPORTED IEDIUM OR-TOTAL IIINEBER

)ETECTABLE 14 CATIONS PATINAT OF ANALYSES.

LEVELS (b)

MAME, DISTANCE (b)

(b)

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Mean (Range)

Ale DIRECTION Mean (R*3ae)

Mean (Ranae)

(c) gf*

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11.4 (9.2-13.2)

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i TABLE 3-1 ENVIROBSIENTAL RADIOLOGICAL MONITORINC PROGRAM SUBetARY COIAGECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PIANT DOCKET 50-213 JANUARY - DECDiBER 1980 NUMBER OF ANALYSIS A E

'MINDEM ALL INDICATOR LOCATION WITH HICHEST ANNUAL MEAN CONTROL IDCATIONS~

NONEOUTINE REPORTED MDIUM OR TOTAL NUMBER DETECTABLE LOCATIN S _

PATHWAY -

0F ANALT;ES LEVELS

t. '

NAME, DISTANCE (b)

(b)

MEASUREMENTS SAMPLED PERFDRMED (M L's)(a)

Maan (Range)

AND DIRECTION Mean (Ranae)

Mean (Rangel (c)

~

Sr 14.4 Intake Vicinity Sr-89 0.018' O.000

(-0.038-0.016) 0.5 miles SSW 0.004 (0.002-0.005) 0.002

(-0.003-0.006)

O 1 heads (pC1/g).

Plant Discharge Sr-90 0.009 0.042

.(0.000-0.074) 2nal - 0.5 miles Isl.0.044 (0.027-0.074) 0.041 (0.025-0.068) 0

' CS 14.4 Plant Discharge CS-137 0.009 0.057 (0.012-0.106) knal - 0.5 miles ESL 0.062 (0.039-0.106) 0.037 (0.020-0.046) 0 Yg Ce(LI) 14.4

-I-131 0.05 0.00 N/A N/A 0.00 0

CS-134 0.04 0.00-(0.00-0.02).

N/A N/A 0.00 0

i Mn-54 0.05 0.00 N/A N/A 0.00 0

Co-58 0.04 0.00 P/A N/A 0.00 0

Co-60 0.04 0.00 N/A N/A 0.00 P

Zr-95 0.1 0.00 N/A N/A 0.00 0

Nb-95 0.00 N/A N/A 0.00 0

I"""

CA"IEY 0

i K-40 0.5 2.1 (0*9~3*5) 0.5 miles SSW 2.3 (1.0-3.5) 1.9 (1.7-2.2) l

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FOOTNOTES l

For Ge(Li) measurements the MDL's = 2 x /EB where B = background. For a.

all others, MDL = 2 x a background. These MDL's are based on the absence of large amountJ of interfering activity (excluding naturally occurring radionuclider's. Deviations by about factors of 3 5.o 4 can occur, exclud-ing Technical Specification Items.

b.

Analy*.4 cal results are handled as reconnended by HASL (" Reporting of Ant.lytical.tesults from HASL," letter by Leo B. Figginbotham). Negative values were used in the determination of the mean, Nonroutine reported measurements are defined in Section 5.6.2b of the c.

Technical Specifications.

d.

First number is the number of indicator measurements, the second is the number of control measurements.

Assuming 270 m'/ paper.

e.

8 f.

Assuming 1080 m.

n g.

Quarterly composites.

V h.

N/A--Not Applicable 3-12

3.2 Data Tables The data reported in this section are strictly counting statis-tics. The reported error is two times the standard deviation of the net activity. Unless otherwise r.oted, the overall error is estimated to be 2 to 5 times that listed.

Because of counting statistics, negative values, zeroes and numbers below the Minimum Detectable Level (MDL) are statis-tically valid pieces of data. For the purposes of this report, in order to indicate any background biases, all the valid data are presented.

In instances where zeroes are listed after significant digits, this is an artifact of the computer data handling program.

Data are given according to sample type as indicated below.

1.

Gamma Exposurc Rate l

2.

Air Particulates, Gross Beta Radioactivity 3.

Air Particulates, Weekly I-131 4.

Air Particulates, Monthly Quantitative Gamma Spectra 5.

Air Particulates, Quarterly Strontium and Cesium 6.

Soi1*

7.

Milk - Dairy Farms 8.

Milk - Goat Farms 9.

Pasture Grass

J(')

10. -Well Water 11.

Reservoir Water 12.

Fruits & Vegetables

13.

Heat, Poultry and Eggs

14.

River Water 15.

Bottom Sediment

16.

Shellfish

17.

Fish

There was no commercially available meat, poultry, or eggs for whteh the feed was grown within 10 miles of the site.

afor these sample types, the results are reported as pCi/g

. et weight.

w

'3-13 L1

("'

LOCATION KEY FOR DATA TABLES v

CONNECTICUT YANKEZ 1

Boron Vaste Storage Tanks Fence - N,

.5 miles 2

Vaste Gas Surge Sphere Fence - N,.5 miles 3

Discharge Canal Fence - SSE,.5 miles 4

Guard House Fence - WNV,.5 miles 5

Injun Hollow Road - NV,.5 miles 6

Substation - ENE, 1 mile 7

Haddam - SE, 2 miles 8

East Haddam - ESE, 3 miles 9

Higganum - VNV, 3.5 miles 10 Hurd Park Road - NNV, 3 miles 11A Middletown - NV, 10 miles 12A Deep River - SSE, 8 miles 13A North Madison - SV, 12 miles 14A Colchester - ENE, 10 miles 15A On Site Wells 1 & 2 - SE,.5 miles 16A State Highway Dept. - E. Haddam - S, 3 miles 17 Vell - Injun Hollow Road - NV, 1 mile 18 Vel! - Haddam - S, I mile 19 Cow Location #1 - NNV, 1.5 miles 20 Cow Location #2 - ESE, 2.2 miles 21 Cow Location #3 - E, 3 miles

(_,)

22 Cow Location #4 - ENE, 11 miles 23A Goat Location #1 - ENE, 11 miles 24 Goat Location #2 - NV, 1.3 miles 25 Vithin 10 miles of plant 35A Beyond 10 miles of plant 26 Conn. River - Intake Vicinity - SSV,.5 miles 27A Conn. River - Higgacam Light - NV, 3 miles 28A Conn. River - E. Laddas Bridge - SE, 2 miles 29 Plant Discharge Canal - ESE,.5 miles 30A Conn. River - Middletown - NV, 9 miles 31 Mouth of Salmon River - SE, 1.5 miles 40B Near Intake Structure - SSV,.5 miles 41B Picnic Area - NW,.5 miles 42B Mouth of Discharge Canal - ESE,.5 miles 43B Moodus - NE, 2.0 miles 44B Shailerville (Horton Road) - SSV,.5 miles 45B Haddam Jail (Jail House Road) - VSV, 1.0 miles 46B Ranger Headquarters (on P. anger Road) - SV, 1.8 miles SIB Conn. Valley Hospital - NV, 7.5 miles 52B Mr. Higby - VNV, 12.5 miles A - Control Stations B - Site not required by ETS 3-14

b/ :

V CCf.NICTICUT YANKEE TABLE 1A t*0!iTH LY GAMMA EXF05URE PATEtC9/HRI PER:c3 L 0 C A T I O ti S

- DOING

01 02 03 04 05 06 07 08 09 10 11A 1/30/80(a) 13.1(b) 10.2 7.5 7.9 7.3 7.2

.6.4 7.7 6.4 7.9 9.0

- 2/30/80.

13.7 10.2 8.8 9.3 8.2 7.4 7.2 9.6 7.6 7.0 10.3 3/30/S3 15.0 12.1 9.4 9.9 8.7 8.5 7.7 9.5 7.5 9.3 10.5 4/30/80 15.9 11.7 8.5 9.3 8.2 7.5 6.6 8.6 6.8 8.5 9.3 5/30/80 16.4 11.6 8.5 9.5 7.9 0.0(c) 6.9 8.3 6.7 8.2 9.6 6/30/80 23.3.

13.4 9.8 11.6 9.2 8.3 7.0 9.2 7.2 8.7 10.0 7/30/80

12. 7 11.6 9.1 8.7 9.1 7.8 7.0 9.0 7.1 8.3 9.8 8/30/20

d.3 12.9 9.8 10.3 8.8 8.1 7.3 9.1 7.0 8.5 10.2

/30/80 12.8 12.4 9.6 9.0 9.4 8.5 7.3 9.4 7.3 8.9 10.5 10/30/80 -

-12.3 12.0 9.3 8.8 9.3 8.3

-7.3 9.2 7.6 8.8 10.4 11/30/80 11.2 11.0 8.6 8.1 8.4 8.1 6.8 8.6 6.8 8.0 9.8 12/30/80 11.3 11.3

-8.7 8.4 8.8 8.0 6.9 8.8 7.4 8.4 9.9 12A 13A' 14A 405 41B 428 43S 443 458 468 1/30/80 6.0 6.1 7.2 6.8 5.9 6.5 7.1 6.8 6.4 6.0 2/30/80 7.3 7.4 7.8 7.7 6.6 7.2 7.7 8.2 7.5 7.4 3/30/80 7.4 7.4 9.1 8.4 6.9 8.0 8.6 7.5 7.4 7.0 7.8 6.0 7.2 7.8 7.4 7.1 6.9 4/30/80 6.8 6.5 8.4(d) 0.0 9.1 6.1 7.0 7.7 7.3 6.6 6.3 5/30/20 6.4-6.6 6/30/80 7.2 6.7 9.1 9.2 0.0(e) 7.9 8.5 7.9 7.4 7.3 7/30/80 7.2 6.7

.8.8 7.8 6,7 7.6 8.4 7.9 7.4 7.2 8/30/80 7.0 7.0 9.1 8.7 7.0 7.8 8.7 7.9 7.1 6.6 9/30/80 7.2 7.5 9.3 7.8 7.2 7.8 8.8 8.2 7.4 6.9 10/30/80 7.6 7.1 9.2 8.0 7.0 8.0 8.4 8.4 7.9 7.5 11/30/80 6.6 6.7 8.6

7. 2 -

6.4 7.2 8.1 7.3 6.6 6.4 12/30/80 7.1 6.7 8.7 7.8 6.6 7.6 7.8 7.8 7.4 7.2

.(a) not actual dates - TLP's are changed near the end of each month (b) results are + 20%

TAstt IB (c) TLD was missing 3

(d) TLD was destroyed by fire G m Ex E R TEEUR/HR)

(e) TLD was lost PERIOD L0 CATION $

ENDING 01 02 03 04 05 06 07 08 09 10 11A 6/30/80 16.2 11.5 8.7 9.6 8.2 7.8 7.0 8.8 7.0 8.3 9.8 12/30/80 13.1 11.9

'9.2 8.9 9.0 8.1 7.1 9.0 7.2 8.5 10.1 12A 13A 14A 409 418 42B 433 44B 45B 469

=.........-

==..........

6/30/80 6.9 6.8 6.3 S.2 6.2 7.3 7.9 7.5 7.1 6.8 12/30/80 7.1 6.9 8.9 7.9 6.8 7.7 8.4 7.9 7.3 7.0

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TABLE 4A A?R PAFT!CULATES CY GtMMA $?ECTRA - JAN

( PC:/ M3 )

ANAL'YSES LOCATION CS.137 CS-134 RU-103 ZR.95 RUIRH1-106 K-40 TH-203 BE-7 NS-95

(+/.)

(+/-)

(+/.)

(+/-)

(+/.)

(+/-l

(*/-)

5 0.0 0.005 0.0 0.005 0.0 0.008 0.0 0.012 0.0 0.050 0.0 0.070

.002 0.010 0.100 0.C50 0.0 0.009 6

0.003 0.C04 0.0 0.005 0.0 0.009 0.005 0.0C8 0.0 0.050

. 050 0.070 0.0 0.C14 0.CSD 0.050 0.0 0.009 7

0.002 0.003 0.0 0.005 0.0 0.CCS 0.0 0.012 0.010 0.030 0.0 0.C60 0.0 0.009 0.080 0.050 0.0 0.009 8

0.001 0.000 0.0 0.003 0.004 0.003 0.0 0.008 0.0 0.000 0.000 0.040

.001 0.006 0.090 0.030 0.0 0.CCS 9

0.001 0.002 0.0 0.003 0.0 0.005 C.002 0.005 0.0 0.030

.030 0.000 0.002 0.005 0.C80 0.030 0.0 0.005 10 0.0 0.C04 0.0 0.003 0.001 0.004 0.0 0.C07 0.0 0.030 0.010 0.040 0.0 0.00S 0.100 0.030 0.0 0.006 11A 0.001 0.003 0.0 0.004 0.0 0.006 0.0 0.009 0.0 0.030 0.010 0.c40 0.0C2 0.007 0.C80 0.030 0.0 0.005 12A 0.0 0.004 0.0 0.003 0.0 0.006 0.0 0.006 0.0 0.030

.010 0.040

. 001 0.006 0.070 0.030 0.0 0.C05 134 0.002 0.004 0.0 0.005 0.0 0.009 0.002 0.009 0.0 0.C50 0.010 0.060 0.008 0.009 0.070 0.c40 0.0 0.CCS 14A 0.0 0.004 0.0 0.004 0.0 0.006 0.0 0.003 0.0 0.030 0.000 0.040 0.0 0.010 0.110 0.040 0.0 0.005 46B 0.0 0.005 0.0 0.006 0.004 0.007 0.0 0.012 0.0 0.040 0.C10 0.070

.001 0.009 0.C30 0.040 0.0 0.00S TABLE 4S AIR PA9TICULATES GAMMA SPECTRA - FEB (FCI/M3)

ANALYSES LOCATION CS.137 CS-134 RU-103 ZR 95 RU( RH 1-106 K.40 TH-228 BE-7 NS-95

(+/-)

(+/.)

(+/-)

(+/.)

(+/-)

5 0.0 0.007 0.0 0.007 0.004 0.003 0.004 0.011 0.0 0.070 0.000 0.090 0.0 0.000 0.090 0.060 0.0 0.011 6

0.0 0.007 0.0 0.007 0.005 0.007 0.0 0.000 0.0 0.060

. 040 0.100 0.0 0.000 0.110 0.070 0.0 0.010 7

0.0 0.006 0.0 0.007 0.0 0.010 0.004 0.012 0.0 0.C60 0.040 0.090

.002 0.012 0.100 0.C60 0.0 0.010 8

0.0 0.C04 0.0 0.004 0.0 0.006 0.0 0.009 0.000 0.000 0.0 0.C60 0.0 0.011 0.110 0.040 0.0 0.006 9

0.0 0.004 0.0 0.004 0.0 0.006 0.0 0.009 0.0 0.030

.000 0.060 0.0 0.011 0.100 0.040 0.0 0.007 10 0.0 0.004 0.0 0.005 0.0 0.007 0.0 0.009 0.0 0.040 0.010 0.C60 0.0 0.009 0.140 0.040 9.0 0.007 11A 0.0 0.005 C.0 0.004 0.6 0.007 0.0 0.010 0.0 0.040 0.050 0.C60

.002 0.007 0.C30 0.040 0.0 0.006 12A 0.0 0.004

-0. 0 0.005 0.001 0.005 0.0 0.011 0.0 0.040 0.000 0.C60 0.0 0.00S 0.120 0.040 0.0 0.007 13A 0.0 0.006 0.0 0.006 0.0 0.010 0.005 0.009 0.0 0.050 0.010 0.090 0.001 0.009 0.000 0.060 0.0 0.010 14A 0.0 0.005 0.0 0.005 0.0 0.003 0.0 0.010 0.0 0.040

.000 0.060 0.0 0.010 0.110 0.040 0.0 0.008 46B 0.002 0.005 0.0 0.007 0.0 0.011 0.0 0.020 0.0 0.060

.010 0.080 0.008 0.011 0.090 0.060 C.0 0.011

y -

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TASLE AC AIR PARTICULATES CY GAMMA SFICTRA - MAR

( FCI/t131 ANALYSES LOCATION C5-137 C5-134 PU-103 ZR-95 pu(FH1-106 K-40 TM-208 EE-7 N5-95

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5 0.0 0.007 0.0 0.007 0.0 0.010 0.0 0.020 0.0 0.060

.000 0.090

. 003 0.012 0.110 0.060 0.0 0.01:

6 C.0 0.C06 0.0 0.007 0.0 0.010 0.0 0.014 0.0 0.060 0.0 0.030 0.002 0.01:

0.110 0.060 0.0 0.010 7

0.0 0.006 0.0 0.007 0.0 0.020 0.0 0.014 0.0 0.060 0.020 0.090 0.0 0.000 0.C60 0.050 0.0 0.010 8

0.0 0.004 0.0 0.004 0.0 0.CC6 0.001 0.005 0.0 0.030

.000 0.C40 0.0 0.010 0.090 0.030 0.004 0.004 9

0.001 0.003 0.0 0.004 0.0 0.006 0.0 0.009 0.0 0.040 0.0 0.050 0.0 0.007 0.090 0.040 0.0 0.006 10 0.001 0.003 0.0 0.004 0.0 0.007 0.0 0.010 0.0 0.030 0.010 0.050 0.0 0.011 0.CSD 0.040 0.0 0.006 11A-

0. 0 - 0.004 0.0 0.004 0.0 0.007 0.003 0.006 0.010 0.030 0.010 0.050 0.0 0.010 0.060 0.030 0.001 0.004 124 0.0 0.004 0.0 0.004 0.000 0.004 0.0 0.009 0.010 0.020

.000 0.050 0.0 0.011 0.0S0 0.040 0.0 0.006 13A

.0.0 0.006 0.0 0.006 0.0 0.010 0.0 0.020 0.0 0.C60

.000 0.080 0.0 0.012 0.090 0.060 0.0 0.010 14A 0.0 0.C04 0.0 0.004 0.0 0.007 0.0 0.010 0.0 0.030 0.010 0.060 0.0 0.011 0.110 0.040 0.0 0.007 46S 0.0 0.007 0.0 0.007 0.0 0.010 0.0 0.014 0.000 0.040 0.030 0.090 0.006 0.013 0.090 0.C60 0.0 0.011 TABLE 40 AIR PARTICULATES GAMMA SPECTRA - APR (PCI/N3)

ANALYSES LOCATION CS-137 C5-134 RU-103 ZR-95 RU(PHI-106 K-40 TM-228 BE-7 NS-95 i+/-)

(+/.)

(+/-)

(+/.)

(+/.I

(+/.)

(+/-)

I+/-l 5

0.0 0.007 0.0 0.007 0.0 0.C06 0.0 0.013 0.0 0.060 0.0 0.080 0.0 0.015 0.110 0.050 0.0 0.010 6

0.0 0.006 0.0 0.007 0.0 0.010 0.0 0.009 0.0 0.060 0.0 0.080 0.0 0.000 L.070 0.060 0.0 0.007 7

0.0 0.006 0.0 0.006 0.0 0.007 0.0 0.014 0.0 0.050 0.0 0.070 0.0 0.000 0.110 0.050 0.0 0.010 8

0.0 0,004 0.0 0.004 0.0 0.007 0.0 0.00S 0.0 0.030 0.0 0.040 0.0 0.010 0.070 0.030 0.0 0.006 9

0.0 0.003 0.0 0.004 0.0 0.006 0.0 0.00S 0.0 0.030 0.0 0.040 0.0 0.006 0.100 0.040 0.0 0.005 10 0.0 0.004 0.0 0.?n4 0.0 0.007 0.0 0.C09 0.0 0.030 0.0 0.d50 0.0 0.006 0.100 0.040 0.0 0.007 11A 0.0 0.004 0.0 0.004 0.0 0.007 0.0 0.009 0.0 0.040 0.0 0.050 0.0 0.010 0.C60 0.040 0.0 0.007 12A 0.0 0.003 0.0 0.004 0.0 0.006 0.0 0.006 0.0 0.030 0.0 0.050 0.0 0.006 0.100 0.040 0.0 0.006 13A 0.0 0.006 0.0 0.006 0.0 0.01:

0.0 0.020 0.0 0.050 0.0 0.090 0.0 0.020 0.090 0.C60 0.0 0.009 14A 0.0 0.006 0.0 0.004 0.0 0.007 0.0 0.009 0.0 0.040 0.0 0.050 0.0 0.007 0.100 0.030 0.0 0.007 46B 0.0 0.004 0.0 0.007 0.0 0.008 0.0 0.000 0.0 0.060 0.0 0.0Sb 0.0 0.000 0.030 0.C60 0.0 0.011 4

7-Q)

L.J O

TABLE 4E AIR PARTICULATES CY GAMMA SPECTRA - MAY (PCI/N3)

ANALYSES LOCATION CS-137 CS-134 RU-1C3 ZR-95 RU(FH).106 K-40 TH-228 BE-7 NS-95

(+/-)

(+/.)

(+/-)

(+/ )

(+/.)

(+/-)

5 0.002 0.004 0.0 0.005 0.0 0.009 0.003 0.009 0.0 0.050 0.030 0.070 0.0 0.010 0.100 0.050 0.0 0.009 6

0.001 0.004 0.0 0.005 0.0 0.008 0.0 0.012 0.0 0.c40 0.0 0.060 0.0 0.013 0.100 0.C50 0.0 0.003 7

0.002 0.004 0.0 0.005 0.0 0.003 0.0 0.011 0.0 0.050 0.0:0 0.C60 0.0 0.01:

0.100 0.040 0.0 0.007 8

0.0 0.C03 0.0 0.003 0.0 0.005 0.0 0.006 0.0 0.030

. 040 0.040 0.0 0.007 0.110 0.030 0.0 0.005 9

0.0 0.003 0.0 0.C03 0.0 0.005 0.0 0.006 0.0 0.C30

.010 0.040 0.0 0.006 0.120 0.030 0.0 0.005 10 0.0 0.003 0.0 0.003 0.0 0.005 0.0 0.007 0.0 0.030 0.010 0.040 0,002 0.C06 0.110 0.030 0.0 0.C05 11A 0.001 0.002 0.0 0.004 0.0 0.005 0.001 0.005 0.0 0.030

.030 0.040 0.0 0.009 0.060 0.030 0.0 0.005 12A 0.001 0.002 0.0 0.003 0.0 0.005 0.0 0.007 0.0 0.030 0.000 0.040 0.0 0.006 0.120 0.030 0.0 0.005 13A 0.001 0.003 0.0 0.005 0.0 0.003 0.0 0.011 0.0 0.050

. 010 0.060 0.0 0.013 0.130 0.040 0.0 0.CCS 14A 0.0 0.003 0.0 0.003 0.0 0.005 0.0 0.C07 0.0 0.030

.030 0.040 0.0 0:0c5 0.110 0.030 0.0 0.005 468 0.0 0.005 0.0 0.005 0.0 0.009 0.0 0.011 0.020 0.040

.040 0.060 0.0 0.020 0.100 0.050 0.0 0.008 TABLE 4F AIR PARTICULATES GAttatA SPECTRA - JUN (FCI/M3)

ANALYSES LOCATION CS-137 CS-134 RU-103 ZR-95 RU(RH)-106 K.40 TH-228 EE-7 NS-95

(+/-)

(+/.)

(+/-)

(+/.)

(+/-)

(+/.)

(+/-)

5 0.002 0.003 0.0 0.004 0.0 0.005 0.0 0.007 0.0 0.030

. 040 0.070 0.0 0.009 0.090 0.040 0.0 0.006 6

0.003 0.003 0.0 0.003 0.0 0.005 0.0 0.007 0.0 0.030

. 040 0.070 0.0 0.010 0.090 0.050 0.0 0.005 7

0.0 0.004 0.0 0.003 0.0 0.004 0.0 0.006 0.0 0.030 0.0 0.070 0.0 0.009 0.100 0.040 0.0 0.004 8

0.002 0.002 0.0 0.002 0.003 0.003 0.004 0.004 0.0 0.000

.010 0.c40 0.0 0.005 0.100 0.030 0.0 0.003 9

0.0 0.002 0.0 0.002 0.0 0.003 0.002 0.004 0.0 0.014

. 010 0.040 0.0 0.005 0.110 0.030 0.0 0.003 10 0.0 0.002 0.0 0.000 0.0 0.003 0.0 0.004 0.010 0.020

.000 0.040 0.003 0.005 0.090 0.030 0.0 0.003 11A 0.0 0.003 0.0 0.003 0.0 0.004 0.0 0.005 0.0 0.000 0.0 0.050 0.0 0.007 0.0$0 0.030 0.0 0.004 12A O.002 0.002-0.0 0.002 0.0 0.004 0.0 0.005 0.0 0.000 0.0 0.050 0.001 0.005 0.110 0.030 0.0 0.003 13A 0.002 0.003 0.0 0.003 0.0 0.005 0.0 0.005 0.0 0.020

.040 0.06P

.002 0.007 0.130 0.040 0.0 0.C04 14A 0.0 0.002 0.0 0.002 0.0 0.003 0.0 0.004 0.0 0.000 0.0 0.04v 0.0 0.005 0.100 0.030 0.0 0.C03 468 0.0 0.003 0.0 0.003 0.0 0.005 0.0 0.007 0.0 0.030 0.050 0.08(

0.0 0.009 0.120 0.040 0.0 0.006

-_m

~._._m

\\ f) y N

q

' TABLE 4G

< i

. AIR PARTICULATES -

CY GAMMA SPECTRA.- JUL s

(PCI/M3).

A N A L-Y-$ E $

LOCATION CS-137 CS-134-RU-103-

.ZR-95 RU(RH)-106 K-40

.TH-228 BE-7 NS-95

(+/-)

-(+/-)

st+/.)

-(+/.)

(+/-)

't+/-)

(+/-)

(+/-l

5-

'0.0 0.004 0.0.

0.004 0.0 0.005

0. 0 -

0.00S'

'0.0 0.030 0.0.

0.050 0.0 0.010 0.060 0.030 0.0 0.005

/6.

'0.0~.0.003 0.0 - 0.004.

0.0 0.005 0.0 0.007 0.0

'0.030 0.0 0.040

'0.0 0.009 0.030 0.040 0.0 0.005

~

7'

0.0 co.003: :0.0 - 0.004- :- 0. 0 ' 0.006 -

0.0 0.007 0.0 0.030 0.0 0.030 0.0

0.009 0.090 0.040 0.0

'O.004

8'

,0.0'

0.002 0.0 0.002.

10.0.

0.003-0.0 0.004 0.0 0.020

- 0.0 0.020 0.0 0.005~

0.0$0 0.030 0.0 0.003 J 9.

0.0 0.003, 0.0 0.002' O.0 0.003 0.0 0.004-.0.0 0.020 0.0 0.020 0.0.0.005 0.070 0.030 0.0 0.003 10 -

0.0 0.002' O.0 0.002_

0.0

~0.003 0.0 0.005 0.0 0.020 0.0-0.030 0.0 0.005 0.0$0 0.030 0.0 0.003 11A 0.01.0.0031 0,0 0.002 0.0 0.003 0.0 0.005 0.0 0.020 0.0.

0.020 0.0.0.006 0.060 0.030 0.0 0.003

' 0.0. 0.002 0.0.

0.003 0.0 0.005-'0.0 0.020 0.0..0.030 0.0 -0.006 0.080 0.030 0.0 0.004

~12A' O.0~

.0.002

-134:

0.0

'O.004:. 0.0 0.003 0.0~. 0.004 -. 0.7. 0.006 0.0 0.040 0.0-0.040 0.0 0.009 0.070 0.040 0.0 0.005 14A 0.0 ' O.002 0.0- J0.002.

.0.0.

- 0.003:

0.0 0.004 0.0 0.020 0.0 0.030 0.0 0.006 0.100 0.030-0.0 0.003

465 0.0 0.004 0.0 0.004 0.0 0.006 0.0 0.008 0.0>

0.030.

0.0 0.040 ~ 0.0 0.009 - 0.100 0.040 0.0-0.005

. TABLE 4H AIR PARTICULATES GAMMA SPECTRA - AUG (FCI/M3)

ANALYSES LOCATION s'-A37 CS-134 RU.103 ZR-95

.RU(RHi-106 K-40 TH-228 BE-7 NS-95

......... ~...

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

ft/->

(+/.). _

(+/-)

(+/ (+/-)

(+/-)

'5.

0. 0 -

f.f*1

=0.0' 0.003 0.0 0.005-0.0 0.008 0.0 0.030 0.0 0.050 0.0 0.009 0.110 0.040 0.0 0.005

'6" 0.0

.D.004 10.0 0.003 = 0. 0

-0.005 0.0 0.008 0.0 0.030' O.0 - 0.040 0.0 0.009 0.110 0.040 0.0 0.005 7

0.0

.0.004 0.0

'0.004

'0.0 0.005-0.0 0.006 0.0 0.030 0.0 0.040 0.0 0.009 0.110 0.040 0.0 0.005 L4-

0.0 0.002 0.0 0.002

-0.0 0.004 0;0 0.00.5 0.0' O.020 0.0 0.030 0.0 0.005 0.100 0.030 0.0 0.003 9'

O.0 0.002 0.0 0.002 0.0 0.003 0.0

-0.004 0.0 0.p'0-0.0 0.020 0.0 0.005 0.090 0.030 0.0 0.004 10 0.0 0.003 - 0. 0 '

O.003' 0.0 0.004 0.0-0.005 0.0

-0.02u 0.0 0.030 0.0 0.005 0.093 0.030 0.0 0.004 11A 0.0 0.002; = 0. 0. 0.002 0.0 0.003' -0.0 0.004-0.0 0.020 0.0 0.030 0.0 0.006 0.070 0.030 0.0 0.003 12A 10.0 0.002 0.0 0.002 0.0 -

0.004.

0.0 0.005 0.0 0.020:.0.0 0.020 0.0 0.006 0.130 0.030 0.0 0.003 13A 0.0 0.004

-0.0-'

O.003' :0.0

-0.005 0.0 0.008 0.0 0.030 - 0.0 0.050 0.0 0.008 0.110 0.040 0.0 0.005 14A 0.0 0.002

.0.0

.0.002 20.0 0.003 0.0 0.004 0.0 0.020 0.0 0.030 0.0 0.004 0.120 0.030 0.0 0.003 465 0.0 0.004

0. 0 - 0.004 0.0 0.006 0.0 0.009 0.0 0.030 0.0 0.050' O.0 0.009 0.120 0.040 0.0 0.006 l.

v.

<~L..

wa

s-m TABLE 4I CY AIR'PARTICULATES GAMMA SPECTR A ~- SEP

-(PCI/M3) l. -

ANALYSES

'RU-103 ZR 1RUtRHI-106 K-40

'TH-228 BE-7

.NS-95 JLDCATION' CS-137,

'CS-134

't+/-)

(+/-)

~ (+/-)

(+/-)

1(+/-l

-(+/-).

(+/-)

5?

'0.0-10.003

.0.0 0.003 0.0.

-0.005:

0.006 0.006 0.0 0.030.

'0.0 0.030' O.0.-0.007 0.050 0.030 0.0 0 004 1

' 6

'0.0 0.C03 -

0.0. :0.003.

0.0 E0-004 - 0. 0 - 0.006 -

0.0 0.000' O.0 0.030 0.0 0.007.

0.060 0.030 0.0 0 004 7-

' 0.0

,0.003

~0.0

'0.003 0.0-0.005 0.0 0.005 0.0

- 0.000 0.0 0.030 0.0 0.007 0.070 0.030 0.0 0.004

~8 0.0 10.002 0.0 l0.002'.0.3

-'0.003

? 0.0 0.003 0.0 0.000.

0.0 0.020 0.0 0.004 0.090 0.020 0.0 0.002 9

'0.0~ 20.002

,0.0

. 0.002 -

0.0 0.002 - 0.0 0.004 0.0

- 0.012' O.0 0.000

-0.0 0.004 0.070 9.0 0 0.0 0.003 10.

0.0-0.002 - 0. 0 0.002 0.0 ' 0.003

0.0

0.004 0.020 0.014.

0.0 0.020 0.0 0.004-0.070 0.020 0.0 0.003 11A 0.0-

'0.002

' 0.0 l ' 0.002 :-

0.0 0,003 0.0 0.004 0.0

- 0.000-0.0

'0.020 0.0 0.005 0.070 0.020 0.0 0.003 12A1 ! 0.0 0.002' 0.0' O.002 0.0'

'0.002 0.0-0.003 0.0 0.000-0.0 0.014 0.0 0.004 0.070 0.020 0.0 0.002

13A' 10.0. ;0.003' O.0

'O.003.

0.0 0.004 0.0 0.005' O.0 0.000' O.0 0.030 0.0 0.006 0.050 0.0 0 0.0 0.004 r 14 A

10.0

,0.001 10.0.

0.002 ^ 0.0

. 0.003-0.0 0.004-0.0 0.020

-0.0 0.020 0.0 0.004 0.080 0.020 0.0 0.003 468

0. 0 - 0.004 l0.0 0.003' O.0 0.004

0. 0 ^ 0.005

-0.030 0.020 0.0 0.030 0.0 0.008 0.110 0.030 0.0 0.004 TABLE 4J AIR PARTICULATES

. GAMMA SPECTRA -'CCT (PCI/M33-ANALYSES-TH-228 BE-7 NS-95

....'K-40 LOCATIDH, CS-137_

CS-134

~ RU-103 ZR-95 RU(RH1-106

(+/-)-

-(+/-)

' t+/.)

-(+/.)

. (+/.)

(+/.)

-(+/-)

(+/.)

(+/-i 5

0.0-0.003-0.0 0.003 l0.0' O.006

.0.0 0.006 0.0 0.030 0.0.

0.040 0.0 0.006 0.080 0.040 0.0 0.005 6-0.0

.0.003; 0.0 0.003 0.0 0.005 0.0 0.008 0.0 0.020, 0.0 0.030 0.0 0.008 0.070 0.030 0.0 0.006 7

7 0.0 0.002!.0.0 0.003 0.0 0.005 0.0 0.007 0.0

. 0.030-0.0 0.040' 0.0 0.007 0.060 0.040 0.006 0.004 1

8'

- 0.0 0.002-0.0 0.002 0.0 0.003.

0.0 0.004-0.0 0.000 0.0 0.000 0.0 0.004 0.100 0.020 0.0 0.003 J9

0.0 0.002; 0.0 0.002 0.0 0.003

-0.0 0.004 0.0 0.000 0.0 0.020 0.0 0.004 0.040 0.020 0.0 0.003 10 0.0 0'.002 0.0

'0.002 0.0 : 0.004 0.0 0.004-0.0 0.015 0.0 0.020 0.0 0.004 0.070 0.020 0.0 0.003 11 A ' - 0. 0 0.002-

0. 0 - 0.002 0.0 0.003' O.005 0.004 0.0 0.000 0.0 0.000 0.0 0.004 0.050 0.020 0.0 0.003 12A 0.0-0.002J 0.0 0.002 0.0 0.003' O.0

.0.004 0.0 0.000 0.0 0.020 0.0 0.004 0.080 0.020 0.0 0.003 0.0.'O.003 0.0 0.003. 0. 0 - 0.006 '

O.0 0.007 0.0 0.030 0.0 0.030 0.0 0.007 0.070 0.040 0.0 0.006 13A 1

14A 0.0 0.002' O.0 0.002 0.0 0.003 0.0 - 0.004 0.0 0.014 0.0-0.020 0.0 0.004 0.050 0.020 0.0 0.003 463 0.0

-0.003

-0.0'

0,003 0.0 0.005 0.0 0.006 0.0 0.030 0.0 0.040 0.0 0.007 0.090 0.040 0.0 0.005 t

l

- - -, - ~,

.+

+

O D

o

' TABLE 4K AIR PARTICULATES CY GAMMA SFECTRA'. NOV

. (PCI/M3)

ANALYSES LOCATION. CS-137 CS-134' RU-103

.ZR-95' RU(RH)-106 K-40 TH-228' BE-7 NB-95

' t +/- l.

(+/-)

..(+/.)

(+/.)

(+/-)

(+/.)

'(+/-)

(+/-)

5' 0.0 0.003 0.0 0.003

-0.0 0.006 0.0 0.009 0.0 0.040 0.0 0.050 0.0 0.003 0.0 0.040 0.0 0.006 6

l 0.0 0.004 '

O.0 0.004 0.

0.007'.0.3 0.010 0.0 0.040 0.0 0.050 0.0 0.009 0.0 0.040 0.0 0.C08 s

J7' 0.0 0.003

,0.0 0.004 0.0-0.007 0.0 0.009 0.0

-0.030-0.0 0.040 0.0

.0.009 0.060 0.040 0.0 0.006

'8 0.0. 0.002 0.0 0.002

.0.004 0.004 0.0 0.005 0.0.

0.020 0.0

'0.030 0.0 0.005 0.0$0 0.030 0.0 0.004 9

-0.0 0.002 0.0 0.002 0.010.0.004 0.007 0.005

-0.0' O.020 0.0 0.020 0.0 0.006 0.030 0.030 0.0 0.C04 10 0.0 0.002-0.0 < 0.003 0.0 0.005

'O.0' O.005' O.0 0.020 0.0 0.060 0.0

'0.006 0.0$0 0.030 0.0 0.004 11A-0.0 0.003 0.0 0.003.,0.0 0.005 0.0 0.006 0.0 0.000 0.0 0.060 0.0 0.007 0.060 0.030 0.0 0.005 12A 0.0 0.002-0.0. 'O 002 0.0

'0.004 0.0 0.005

-0.0 0.020 0.0 0.000 0.0

.0.006 0.040 0.030 0.0 0.004 13A:

0.0 0.003' O. 0 '- 0.003 0.0 0.006 0.0 0.008 0.0 0.030 0.0 0.040 0.0 0.008 0.0 0.040 0.0 0.007

.144' 0.0

0.002 0.0 0.002 0.005 0.004 0.0 0.004 0.0 0.020 0.0 0.020 0.0 0.006 0.050 0.030 3.006 0.004 468

'O.0' 0.004 :

0.0 0.004-0.0' O.007 ' 0. 0 ' O.009 0.0 0.040 0.0 0.050 0.0 0.009 0.070 0.040 0.0 0.00S TABLE 4L AIR PARTICULATES GAMMA SPECTR A - DEC i

(FCI/M3)

AHALYSES LOCATION CS-137 CS-134 RU-103 ZR-95 RU(RH)-106 K-40 TH.228 BE.7 NB-95 l

(+/-)-

(+/-)

~5

-0.0 0.004 0.0

'0.004 0.011 0.008 0.0 0.010 0.0 0.040 0.0 0.030 0.0 0.010 0.070 0.040 0.012 0.008 6

0.0

'0.003.

0.0 0.004

'O.011 0.007 0.0 0.010

'0.0 0.030 0.0 0.040 0.0 0.008 0.080 0.040 0.002 0.007 7

-- 0. 0 0.004 0.0 0.cne

-0.011 0.007 0.0 0.009 0.0 0.040 0.0 0.050 0.0 0.009 0.080 0.050 0.010 0.007 8

. 0.0 0.002 0.0

'0.002 0.007 0.004 0.0 0.006 0.0 0.020 0.0 0.020 0.0 0.005 0.030 0.030 0.00S 0.005 9

0.0 0.003 0.0 0.003 0.009 0.006 0.0 0.007 0.0 0.030 0.0 0.030 0.0 0.007 0.060 0.030 0.012 0.005 10 0.0 0.002 0.0

-0.003 0.014 0.005 0.0 0.007 0.0 0.020~

0.0 0.030 0.0 0.006 0.100 0.030 0.007 0.005 11A 0.0

'0.004 0.0 - 0.003 0.010 0.007 0.0 0.008 0.0 0.030 0.0 0.030 0.0 0.005 0.070 0.040 0.013 0.007

~

12A.

0.0 0.002 0.0 0.003 0.009 0.006 0.0 0.007 0.0 0.030 0.0 0.000 0.0 0.006 0.070 0.040 0.010 0.006 13A 0.0 0.004 0.0 0.004 0.015 0.007 0.0 0.008 0.0 0.030 0.0 0.040 0.0 0.011 0.070 0.040 0.007 0.006 14A - 0.0 0.002 0.0 0.002 0.011 0.005 0.006 0.006 0.0 0.020 0.0 0.030 0.0 0.006 0.080 0.030 0.006 0.004 468 0.0 0.004 0.0 0.004. 0.015 0.008 0.0 0.010 0.0 0.040 0.0' O.040 0.0 0.010 0.070 0.050 0.014 0.008

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. CY IPCI/LI COLLECTICH I

CS 134 BA-140 LA-140

......-131' LOCATICH

~DATE SR-89 SR-90 CS-137 (a)

I*/*3

(+/-1

(+/-3

(+/-I'

(+/-3

(+/-1

(+/-)

-23A

.5/ 6/80 (b)

-1.5 1.4 14.7

.0.5 25.0 2.0 0.0 0.2 0.0 3.0 0.0 11.0 0.0 3.00 234-5/20/80 0.0 2.0 30.9 0.7 48.0 2.0 0.0 0.2 0.0 4.0 0.0 14.0 0.0 4.00 234 -

6/ 9/80' O.0 2.0 26.3 0.7 60.0 2.0 0.1 0.2 0.0 3.0 0.0 12.0 0.0 3.00 23A 7/ 7/80 2.0

1. 5 =

22.7

~ 0.6 59.8 0.7' O.2 0.2' O.0 3.0 0.0 13.0 0.0 5.00 23A 8/ 6/80 0.4 0.2 24.6 0.7

.73.0 3.0

-0.0 0.1 0.0 4.0 0.0 13.0 0.0 3.00 23A

'9/ 9/80

-4. 0 '

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.71.0 2.0

-0.0 0.1 0.0 4.0 0.0 13.0 0.0 4.00 234 11/12/80-

-0.5 2,0 16.8 0.6 86.0 2.0 0.1 0.1 0.0 4.0 0.0 14.0 0.0 4.00 23A 1..: 8/80 3.0 2.0 19.2 0.7 87.0 3.0 0.0 0.4 0.0

' O.0 0.0 0.0 0.0 3.00 24 2/25/80

-1.0 2.0 11.5 1.5 12.3 1.0 0.0 0.1 0.0 3.0 0.0 12.0 0.0 4.00 24

~ 4/ 9/80

-1.0 1.0 6.8 0.4 12.9 0.4

-0.1 0.2 0.0 4.0 0.0 13.0 0.0 4.00 24 5/ 7/80 1.1 1.3 7.9 0.4 12.4 1.3 0.0 0.2 0.0 4.0 0.0 13.0 0.0 4.00 24 6/10/80 0.5 1.1 3.9 0.3 10.5 0.9 0.0 0.2 0.0 4.0 0.0 13.0 0.0 4.00 24 7/ 8/80'

0.7 0.8 3.1 0.3 13.1 1.1 0.1 0.1 0.0 4.0 0.0 14.0 0.0 4.00 24.

8/ 6/80 0.4 0.8 5.9 0.3 13.2

. 0.8

-0.0 0.1 0.0 4.0 12.0 11.0 0.0 3.00 24 9/ 9/80

-0.4 0.7 -

4.9 0.3 9.5 0.8 0.0 0.2 0.0 4.0 0.0 12.0 0.0 3.00 24 10/ 6/80 0.5 1.0 3.9 0.3 9.2 0.9

-0.0 0.1 0.0 4.0 0.0 12.0 0.0 3.00 24 11/12/80

-0.1 1.0

'4.5' O.3 9.5 0.8 0.1 0.1 0.0 4.0 0.0 12.0 0.0 3.00 24 12/ 8/80

. 0.1 1.3 4.0 0.4

.11.1 0.9 5.4 1.3 0.0 4.0 0.0 12.0 0.0 3.00 (a) no milk available during February and April at location 23A - grass samples were obtained (b) extra sample taken from 7.5 miles north

N

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TABLE 9

.PA5TUPE GRASS CY

'(PCI/G)

COLLECTION' LOCATION DATE

'SR-89 15R-90 C5-137 I-131 C5 134 ftN-54 Co-58

(+/-)

(+/.)

(+/-)

- 23A

-2/25/80

-0.040 -0.013

~ 0.433 0.005 0.060 0.010 0.0 0.12

0.0 0.0S 0.0 0.07.

0.0 0.07 I

23A 4/ 9/80

-0.010 0.020 0.337 0.006 0.074- 0.003 0.0 0.01 0.0 0.01 0.0 0.01 0.0 0.01 CO-60 FE-59 ZN-65 ZR-95 RU(RHI-106 CR-51 K-40

-(+/-)

(+/-)

(+/-I-(+/-)

(+/-)

4 23A 2/25/80

. 0. 0 0.07 0.0 0.20 0.0 0.20 0.0 0.13 0.0 0.70 0.0 0.60 1.80 1.00

+

23A 4/ 9/80 0.0 0.01 0.0 0.C2 0.0 0.02 0.0 0.02 0.0 0.09 0.0 0.08 1.12 0.13 t

RA-226 TH-228 BE-7 HB-95 2

(+/-)

(+/.)

(+/-)

r i

4, 23A -

2/25/80 0.0 0.15 0.0 0.20 11.60 0.70 0.0 0.07 23A 4/ 9/80 0.0 0.02

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A 4.0 DISCUSSION OF RESULTS

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Gamma Exposure Rate (Table 1)

The gamma exposure rate is determined from the integral exposure measured over periods of approximately one month using thermolumine-scent dosimeters (TLD's). Dosimeters are strategically placed at a number of on-site locations, as well as at inner and outer environ-mental locations. The dosimeters are subject to inherent self-irradiation which has been empirically determined for each dosimeter.

Consequently, the results shown in Table I have been adjusted for self-irradiation effects. The range of self-irradiation correction factors was 0.3 uR/hr to 1.7 uR/hr with a mean of approximately I uR/hr.

The data for 1980 exhibits the same trends as that of previous years. For the off-site inner and outer ring locations, the integrated gamma exposure rate did not differ significantly. The on-site locations at the boron waste storage tank, waste gas surge sphere, discharge canal and guard house were the only locations showing any plant effects. At these locations, there was an annual average increase from 1 uR/hr to 13 uR/hr due to direct radiation from plant components. These locations are within the on-site fenced in areas and, as such, are away from areas where members of the general public are usually allowed. Dosimcters located at areas which are acessiblefto the public, such as the picnic area (location 41B) and

('#)

the mouth of the discharge (location 42B), did not indicate any increase in exposure rate due to the plant.

Air Particulates and Iodine (Table 2, 3, 4A-L and 5)

Air is continuously sampled at a number of locations by passing it through a particulate filter. Filters are collected weekly and counted for gross beta: radioactivity. Results are shown in Figure 4-1 and Table 2.

The average gross beta activity levels at all locations were significantly.less than levels observed in 1979. As in 1979, 1980 data failed to show the usual increases in the spring and summer due to the lack of recent atmospheric nuclear testing in the northern hemisphere. Howev6r, the effects of the Chinese nuclear weapons test in mid-October were observed as gross beta activity levels increased significantly in November and December.

It is anticipated that this latest weapons test will result in increased detectable gross beta activity for the spring and summer months of 1981. Comparison of the measured levels of the inner and cuter rings (see Figure 4-1) of monitoring stations failed to show any significant variations Forf the collection of iodine, charcoal cartridges are included at a selected portion of the air particulate sampling locations.

As.

indicated by Table 3, other than the two weeks during September, I-131 was not seen above the minimum detectable level-(MDL). The y'"i relatively higher values observed'during theseL two weeks are a i2 result of counting equipment malfunctions. This is supported by the facts.that the values do not vary significantly between indicator 4-1

~

{/g and control locations, similar values were observed in the Millstone samples for this time period, and milk (Tables 7 and 8), which is a s_

more sensitive indicator of I-131 in the environment, did not show any detectable I-131.

Excluding these two weeks, there are other instances where the positive values exceed the calculated error.

This small percentage (approximately 5%) is expected due to statis-tical fluctuations in counting.

The weekly air particulate filters are composited monthly for gamma spectral analyses. The results, as indicated in Tables 4A-4L, show the presence of naturally occurring Be-7, which is produced by cosmic processes. No other radionuclides were detected except for Ru-103 in the November and December samples and Nb-95 in the December samples.

Indication of these two radionuclides futher confirms the presence of Chinese weapons test fallout as observed in results of the gross beta analyses.

For the measurement of strontium and total cesium, the air particulate filters are composited quarterly. The results of these radiochemical separation analyses, as shown in Table 5, are much more sensitive indicators of radioactivity than the monthly gamma spectral analyses.

.This is possible since compositing results in larger volumes for analysis and beta counting allows for a higher degree of sensitivity.

However, radiochemical separation does not allow for separation of Cs-134 from Cs-137; subsequently, results for quarterly composites are presented as total cesium. The total cesium results agreed l

^ ')

favorably with the monthly gamma spectra and are lower than the 1979 results.

Sr-90 was evident in all samples at lower levels than observed in 1979. However,_the shorter lived Sr-89 was not' detectable until the fourth quarter when fresh fallout appeared. The levels were comparable

-in both indicator and control stations, showing a lack of plant effect.

In conclusion, since the results of indicator and control monitoring stations are similar,.and since Cs-134 or plant related Sr-89 were not detected above the respective MDL's, it is concluded that plant effects are negligible.

Soil (Table.6)

Soil sasples are collected annually at each air particulate monitoring station and are analyzed for strontium and gamma emitting radion-uclides. The results of these analyses indicate that the only detectable radionuclides.at levels above the respective MDL's consisted of Sr-90, Cs-137'and the naturally occurring-radionuclides, K-40, Ra-226 and Th-228. Due to the absence of Sr-89 and Cs-134, the. presence of Sr-90 and Cs-137 is attributable to fallout from previous nuclear weapons testing..It was also'noted that the levels of the aforementioned radionuclides did not ~ vary between indicator and control locations and 1980 results were similar to the resulte observed in 'the past five years.

/~.

'4-2

n Cow Milk (Table 7)

V I-131 was detected above the respective MDL in only one out of 41 samples. For this same sampling period (11/13/80) which is coincident from fallout of the mid-October Chinese nuclear weapons test, two out of the remaining three sampling locations exhibited positive values of I-131 greater than the calculated errors, at. levels less than the MDL. Therefore, it is concluded that the samples from this time period exhibit the effects of the Chinese weapons test. This is supported by the data from the Millstone samples which also show relatively higher values of I-131 for the same sampiing period.

As typically seen in milk samples of previous years, Sr-90 was observed in all samples. All results indicated values below 12 pCi/1 and represented data similar to previous years.

Sr-89 was not detected in any of the samples at levels above the respective MDL.

Therefore, the presence of Sr-90 is a result of weapons fallout.

Cs-137, like Sr-90, was observed at levels above the MDL in all of the cow milk samples. The levels ranged from 4 to 25 pCi/1 and were quite similar to levels observed in the past four years. Two out of three indicator locations exhibited higher values than the control location. However, this trend is consistent with data from the previous years. The values of Cs-137 listed in Table 7 are repre-sentative of total cesium as determined by chemistry. However, these values are confirmed by gamma spectrometry for Cs-137 and

(,)

since Cs-134 is not observed the values are listed as solely Cs-137 resulting from weapons fallout. The variability of Cs-137 and Sr-90 concentrations'in milk is discussed in more detail in Section 6.0.

Goat Milk (Table 8)

Similar to the results of cow milk samples, Sr-90 and Cs-137 were also observed at levels above the respective MDL's in all of the samples at levels similar to data from previous years. As usual, the levels of Sr-90 and Cs-137 were higher than those observed in cow milk as a result of dietary or metabolic differences.

Sr-89 was observed at levels above the MDL in one sample. However, this sample was from a control location and the positive value is attri--

buted to either statistical fluctuations in counting or fresh fallout. _Therefore, since plant related Sr-89 has been ruled out and sice Cs-134 was not observed in any of the samples, the presence of Sr-90 and Cs-137 is a result of weapons fall.out.

This is further confirmed by the higher values existing in the control location.

1-131 was observed at a level greater than the MDL for one indicator sample taken during the month of December. However, this value is neither conclusive nor inconclusive of plant related activity as counting equipment malfunction was suspect at the. time of the sample count and Chinese fallout may still have been present.

p.

4-3

Pasture Grass (Table 9)

Samples of pasture grass are required by the Environmental Technical Specifications when samples of milk are unobtainable. The results of the grass samples were similar to values observed in previous years. The only radionuclides observed were the naturally occurring nuclides of Be-7 and K-40 and the fallout nuclides of Sr-90 and Cs-137. The absence of Sr-89 and Cs-134 confirmed the origin of Sr-90 and Cs-137.

Well Water (Table 10)

Well water samples exhibited activity levels similar to those in previous years. Also consistent with previous years, the gross beta values for the control location at the Scate Highway Department were somewhat higher than the indicator location values.

Once again, the on-site well exhibited high values of plant related H-3 consistent with previous years. These high values are a result of the well being located in the ground water flow path between the discharge canal and the river. The results of the tritium analyses for this particular well are not required to be reported as Anomolous Measurements. There is no dose consequence via this pathway since the water from this well is used only in process streams at the

. station.

h'"

As usual, naturally occurring Bi-214 was also observed in many of the samples. However, as mentioned in the 1979 report, this daughter product of Ra-226 is not necessarily in equilibrium with the parent in well water samples, and therefore, is'not indicative of the Ra-226 concentrations.

These three types of activity (mentioned above) were the only ones to be observed above the MDL's.

Reservoir Water (Table 11)

As indicated in data from previous years, no plant related radioac-tivity_was observed in samples of reservoir water. The ortly detect-able activity observed in.these samples consisted of E-3 and gross

--beta which existed at levels similar to data from other years. This radioactivity is not attributable to plant operation.

. Fruits and Vegetables (Table 12)

As' usual, this sampling media did not exhibit any radionuclides attributable:to plant operation since Sr-89, I-131 and Cs-134 were not detected. The fallout radionuclides of Cs-137 and Sr-90 were detected above or near the. respective MDL's in all. samples. The

. predominant radionuclide' observed was'tbe naturally occurring K-40 which was-observed at levels from 1 to 6 pCi/1.

,3 l

4-4 4

River Water (Table 14) uJ The sampling procedure utilized for the collection of river water samples varies between the indicator collection point and the control location. The river water samples from the control station (Middletown) are quarterly composites of weekly grab samples.

However, a continuous sampler is utilized at the indicator station located in the area of the plant discharge.

As observed in previous years, tritium was detectable at the indicator location and is attributed to plant operation. However, the dose consequence from these tritium levels is negligible due to the low energy beta particles and since the river water is not used for drinking. The only dose consequence due to the presence of this nuclide is via the fish pathway.

Gross beta was the only other activity detectable above the MDL's.

All values, except for one, were typical of previous years. The one relatively high gross beta value may be attributable to plant operation.

Bottom Sediment (Table 15)

As observed in previous years, all samples exhibited the presence of naturally occurring radionuclides such as K-40, Ra-226 and Th-228.

Aside from these radionuclides there was indication of plant related activity in the indicator samples. Cs-137 was measured at levels which were higher in the indicator than the control stations, Ij especially in the second quarter where together with the presence of Cs-134 and Co-60 above their respective MDL's indicated plant releases. The only other radionuclide exhibiting a positive value above the MDL's was Zn-65.

However, this relatively higher Zn-65 value was observed in a control sampling location and is attributable to statistical fluctuations in counting rather than the actual presence of Zn-65.

The presence of plant related activity in this s.edia for 1980 is related to the higher volumes of waste discharged as a result of the 1980 refueling outage.

Shellfish (Table 16)

As usual, the only activity observed in levels near or above the respective MDL's consisted of Sr-90, Cs-137 and the naturally occurring radionuclides, K-40, Ra-226 and Th-228. Neither the Sr-90 nor the Cs-137 levels varied between indicator or control samples.

Also, the levels of these radionuclides were consistent with data from the past five yearc. Therefore, the presence of Sr-90 and Cs-137 is attributed to fallout.

Fish-Bu11 heads (Table 17A)

Similar to results exhibited in shellfish samples, the only detectable radionuclides at levels greater than the respective MDL's consisted of Sr-90, Cs-137 and the naturally occurring K-40.

Sr-89 was not

~Y detected above the MDL in any of the samples, therefore, indicating

- (V that the Sr-90 is attributable to fallout. As noted in previous years, Cs-137 levels are somewhat higher in samples taken from the 4-5

indicator locations.

Therefore, the Cs-137 in these samples could

~

)

- s/-

be attributable, in part, to plant operation (See Section 5.0 for dose consequence).

Fish-Perch and other Types (Table 17B)

These fish samples exhibit the same results as the bullhead samples.

The predoniaant activity was the naturally occurring K-40.

Sr-90 levels were consistent in all three sampling locations and Sr-89 was not detectable. Therefore, the Sr-90 observed in these samples is due to fallout. As in the bullhead samples, Cs-137 was again detectable at slightly higher levels in samples from the discharge canal than in samples from the control location. This trend was observed in 1978 and 1979 and the dose consequence is discussed in Section 5.0.

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'+'

~

I 5.0 0FFSITE DOSE CONSEQUENCES o

The off-site dose consequences of the station's radioactive liquid and airborne effluents have been evaluated using two methods.

The first method utilizes the station's measured radioactive discharges as inpat parameters to conservative models that simulate the trans-port mechanism through the environment to man. This results in the computation of the maximum doses to individuals and the O to 50 mile population dose. The results of these computations have already been submitted to the NRC in the Semiannual Radioactive Effluent Release Reports written in accordance with Environmental Technical Specification 5.6.lb.

The second method utilizes the actual results of the concentrations of radioactivity in various environmental media (e.g., milk, fish) and then computes the dose consequences from the consumption of these foods. The first method, which is usually conservative (i.e., computes. higher doses than that which actually_ occur), has the advantage of providing an upper bound

. estimate'of the dose consequences. This is important in those cases where the: actual dose cannot be measured because they are so small as to. be well below the capabilities of convential monitoring

~

techniquet.

The results of bo'th methods are compared in Table 5.1.

For gaseous releases, no plant related detectable activity was observed in any sampling media. The less than. values given for the second method are the doses which would be calculated if the annual averags activity was. equal to the minimum detectable level. Although the liquid releases are also low, traces of plant related activity could be detected, in fish caught in the discharge canal, bottom sediment usamples and river water' samples.

The doses presented in Table 5.1 are the maximum doses-to'an individual for specific pathways to man. That is, the' dose is calculated at the location of maximum effect from the plant effluents for that pathway and for the critical age group..For example, the dose via

.the fish pathway is-calculated for fish caught in the-discharge canal and the external gamma dose is calculated at the site boundary which has:the least meteorelogical dispersion. The. calculations-result in maxima total doses to an individual of:.1.25' area whole body-to-an adult, 0.30 mres to an infant's~ thyroid, and 1.43 aren to a teenager's liver..The calculated doses for all other locations

'and other age groups will be:less than those shown.

The average dose to an individual within 50 miles' from the site

.cannot,be calculated.using the second method..However, Method 1

-yields'the foilowing results for the_ period January-December 1980 for the' average, individual:

~

ANNUAL WHOLE' BODY DOSE DUE TO AIRBORNE EFFLUENTS = 0.00014~mren ANNUAL'WHOLE BODY DOSE'DUE TO LIQUID EFFLUENTS -= 0.0015,aren o

5-1

(~g Thus, it can be seen that the average whole body dose to an individual U

is much less than the maximum whole body dose to an individual as shown in Table 5.1.

In order to provide perspective on the doses in Table 5.1, the standards for 19^' on the allowable maximum dose to an individual of the geceral public 1re given in 40CFR190 as 25 mrem whole body, 75 area thyroid, and 25 mrem any other organ. These stanlards are a fraction of the normal background radiation of 125 arem per year and are designed to be inconsequential in regard to public health and safety.

Since plant related doses are even a smaller fraction of natural background, they have insignificant public health consequences.

In fact, the plant related doses to the maximum individual are less than 10% of the variation in natural background in Connecticut.

O nV

~~5-2 L

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91

,n TABLE 5.1 COMPARISON'OF DOSE CALCULATION METHODS HADDAM NECK STATION JANUARY-DECEMBER 1980 METHOD 2(

PATHWAY'

' ORGAN METHOD 1 AIRBORNE EFFLUENTS I0) 1.

External $ Gamma Dose' Max. Ind.( }-Whole Body' O.22 ND 2.

a.

' Inhalation.

Max. Ind.-Thyroid 0.038 NAD

<0.6 b.

Vegetables Max. Ind.-Thyroid 0.14 NAD

c.

-Goat's Milk Max.'Ind.-Thyroid 0.27 NAD, <2.3 d.

All.' Ingestion and

-Inhalation Pathways Max. Ind.-Thyroid 0.30 LIQUID EFFLUENTS 1.03.

0.039 1.

Fish Max.Ind.-Wholegdy 0.062

. Max. Ind.-Liver 1.43

'(1)'. Method 1 uses measure'd station discharges and meteorological data as input parameters to conservative transport to man models. Method 2 uses actual measured concentrations in environmental media.

Maximum individual.- The maximum individual dose is the dose to the most critical age group (teen for Q).

inhalation, infant for milk, child for vegetables, and infant for all ingestion and inhalation pathways),

at the location of maximum concentration of plant related activity. The dose to the average individual is much less than the raximum individual dose.

(3) The plant effects were so small that they could not be distinguished from fluctuations i's natural background.

(4) NAD No activity detected above the minimum dectable level. The less than value reported is the dose corresponding.to the MDL.

(5) For~ teenager.

(6) Does.not include the maximum potential whole body dose of 0.03 mrem to an individual from abnormal

~

releases. Doses due to these incidences were not detected in the environmental samples.

6.0 Discussion

()

The variability of the levels of radioactivity in environmental media depends on many factors. These factors include station release rates, meteorology, number and size of nuclear weapons tests, seasonal variability of fallout, soil conditions (mineral content, pH, etc.), pasturing habits of animals, local terrain, aci locational variability of natural background. All of these factors need to be cor_31dsred in order to explain the levels of radioactivity in the environment. Anyone could cause significant variations in measured radioactivity. A failure to consider these factors could cause ecroneous conclusions.

For example, consider the levels of Sr-90 and Cs-137 measured in cow and goat milk. A casual observer could notice that in some cases the levels of these two isotopes are higher at farms closer to the station than at those further away from the station. The station effluents might at first appear to be responsible. However, the investigation of the following facts proves this conclusion wrong.

1.

The station accurately measures Sr-90 and Cs-137 in its releases.

Based on these measurements and proven models developed by the Nuclear Regulatory Commission, concentrations in the environment can be calculated. These calculations (generally conservative, see Section 5.0) show that insufficient quantities (by more than a factor of 1000) of Sr-90 and Cs-137 have been released

(}

from the station to yield the measured concentrations in milk.

2.

Based on the ratio of Sr-89 to Sr-90 in the measured releases from the station and on the similar chemical properties of the two nuclides, plant-related Sr-90 could not be detected in milk without also detecting Sr-89.

Since plant related Sr-89 has never been detected in milk, the levels of Sr-90. observed must be attributable to nuclear weapon's testing.

3.

Since dairy milk sampling began in the 1960's, years prior to plant operation, the immediate station areas have always shown higher levels of weapons fallout related Sr-90 and Cs-137 (see Figures ~6-1 and 6-2).

The ratio of activity between the locations has not changed with plant operation. All areas show the same significant decrease in radioactivity since the 1964 Nuclear Test Ban Treaty.

4.

Local variability of Sr-90 and Cs-137 in milk is common through-out the United States. Due to the variability in soil con-ditions, pasturing methods, rainfall, etc., it is the rule rather than the exception. Therefore, it is not surprising that certain farms have higher levels of radioactivity than other farms.

In fact, there are some cases where the farms further from the station have higher 3r-90 and Cs-137 values than the farms that are closer to the station (i.e., see l-Connecticut Yankee Goat Milk data and Millstone Point Cow Milk p) data).

(,

6-1

Based on these facts, the observation that the station effluents are responsible is obviously, false. The cause must be one or more O.

of the other variables.

Northeast Utilities has carefully examined the data throughout the year and has presented in this report all cases where plant related radioactivity can be detected. An analysis of the potential exposure to the populatten from any plant related activity has been performed and shows that in all cases the exposure is insignificant.

As in previous years, this data is being submitted to, and will be reviewed by the appropriate regulatory bodies such as the Nuclear Regulatory Commission, Environmental Protection Agency and Connect-icut Department of Environmental Protection.

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1974 - 1979

Millstone Arca--Average of individual f arm samples in the area of Millstone Point.

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1974 - 1979 Northeast

l

O APPENDIX A Cow and Goat Census for 1980 O

O A-1

s I

s.

O DAIRY COWS WITHIN 17.5 MILES OF CONNECTICUT YANKEE AS OF JUNE 1980 Dairy #

Name & Address No. of Cows Direction Distance llo Alfred C. Anderson 30 WSW 17 miles 216 Northford Road Wallingford, CT 06492 66 Daniel D. Anderson 50 NW 9.5 miles Blague Dairy Farm 56 Strong Avenue Portland, CT 06480 125 Fred J. & Lawrence Augur 74 WSW 17.5 miles Forrest Road Northford, CT 06472 (North Branford) 111 Walter Augur & George Cooke 207 WSW 17 miles Co Ag Farm, Inc.

180 Northford Road Wallingford, CT 06492 50 Burt.on L. Avery Sr.

62 ENE 14 miles O

r t

t ^verv r-RFD #4 Rathbun Hill Road Colchester, CT 06415 : Salem) 65 Elbridge F. Ball 15 NNE 16 miles RR 2 Hebron, CT 06248 33 Henry, Albert, and/or Roger Berten 65 W

8 miles Berten's Farm Haddam Quarter Road

.Durham, CT 06422' 43 Dr. David B. Bingham 44 E

11 miles Bingham Farm Rte. 82, RFD 3 (Salem Farm)

Colchester, CT 06415 (Sales) 102 Bilger Bros.

32 WNW 15 miles Hickory Grove Farm 705 Westfield Road Meriden, CT 06450 p)s.

u.

._ Dairy //

Name & Address ho. of Cows Direction Distance 20 E. Leroy Brock 48 WNW 8 miles Brock Farm 796 Ridge Road Middletown, CT 06457 63 William & Shirley Bromley 50 NE 12.5 miles Bromley Farm P. O. Box 24 Hebron, CT 06231 (Amston) 32 Henry Bugai 182 W

12.5 miles Powder Hill Dairy Farm Powder Hill Road Durham, CT 06422 34 Tony Caltabiano 42 W

11.5 miles Friendly Acres Dairy Fara Parmalee Hill Road, RFD Durham, CT 06422 112 David Cella 22 W

14.5 miles 899 Old Rock Hill Road Wallingford, CT 06492 113 Cella Bros.

140 WSW 14 miles

/)

Whirlwind Hill T/

2 No. Branford Street Wallingford, CT 06492 94 Joseph Cieniewicz-56 NW 17 miles Lower Lane Dairy Lower Lane Road Berlin, CT 06037 35 Clark Brothers 29 W

11.5 miles New Haven Road Durham, CT 06422-12 D.B.A.~ Stoney Hill Farm 20 NE 4.5 miles Waterhole Road Colchester, CT 06415 (Farm in East'Hampton)

D,v.

4 Dairy #

Name & Address No. of Cows Direction Distance

(}

4 William Dill 105 ENE 6.5 miles Cloverdale Farm Beebe Road East Haddam, CT 06423 98 Frank Dornfried 38 WNW 18 miles 159 Edgewood Road Kensington, CT 06037 92 John W. Dwyer 55 SSW 16 miles 119 Tanner Marsh Road Guilford, CT 06437 114 Carl Farkas 50 WSW 14 miles 1390. Whirlwind Hill Road

.Wallingford, CT 06492 164 Foothills Farm 60 N

15 miles RfD Hebron, CT 06248 44 Stuart & Judith Gadbois 170 E

14 miles RFD #4 Colchester, CT 06415 (Sales)

()

115 Harold C. Gehrke, Sr.

77 W

15 miles Fairlawn Dairy Fara 178 Grieb Road Wallingford, CT 06492 5

Mortimer A. Gelston 67' ESE 2.5 miles Maple Ridge Farm RFD, Maple Avenue East Haddam, CT 06423 12 Goldberg Brothers Fara 105 NNW 17.5 miles 1203 Hebron Avenue Glastonbury, CT, 06033 6

Grandpa Hill Farm 70 ENE 6 miles

.R.S., R.S. Jr. Cone RFD, Box 251 East Haddam, CT 06423 103 Charles Greenbacker'& Sons, Inc.

48 W

14.5 miles Fara #1 743 Murdock Avenue Meriden~, CT '06450

.104 Charles Greenbacker & Sons, Inc.

120 W

14.5 miles Farm #2 t

743 Murdock Avenue (s )t Meriden, CT 06450

Dairy #

Name & Address No. of Cows Direction Distance 93 Thomas W. Haggarty 45 SW 13 miles RFD #2 Hoop Hole Road Guilford, CT 06 37 13 Halls Pride Farm 22 NNW 2.5 miles John and/or Beverly Hall KR #1 Haddam East Hampton, CT 06424 95 John Hanson 34 WNW 15 miles 506 Spruce Brook Road Berlin, CT 06037 149 J. Ely Harding 70 SE 12 miles Ashlawn Farm Old Lyue, CT 06371 21 Wilbur R. Harris 34 WNW 7 miles RFD #2 174 Wilcox Road Middletown, CT 06457 22 Willie Harvey 75 WNW 7 reiles Lee Street

( ])

Middletown, CT 06457 23 Higgins Farm, Inc.

69 NW 13 miles 837 Ridgewood Road Middletown, CT 06457 59 Hills Farm 82 NNE 14 miles 527 Gilead Street Hebron, CT 06248 24 Edward Hills 41 NW 6 miles Brooks Road Middletown, CT 06457 69 Henry L. Killan 35 NNW 14 miles Roaring Brook Farm 77-Tryon Street South Glastonbury, CT 06073 25 John Kolman 60 WNW 12.5 miles Meriden Road (Middlefield)

Middletown, CT 06457 116 John F. Kranyak 46 WSW 14 miles 1349 Ybirlwind Hill Road Wallingford, CT 06492 f3 t/

- _ - Dairy #

Name & Address No. of Cows Direction Distance

(}

73 Kristoff Brothers 150 N

15 miles Hyland Fara 183 Bailey Street Glastonbury, CT 06033 99 Edward Kristopik 60 WNW 17 miles 532 Jensington Road Kensington, CT 06037 14 John L. Kruger 27 N

1.5 miles RFD #1 Haddam, CT 74 Louis P., Michael W., Paul J. Longo 157 N

16 miles Minnechaug Fars 2992 Hebron Avenue Glastonbury, CT 06053 64 Mapleleaf Fa rm, Inc.

162 NNE 14.5 miles Route 2 Gilead, CT 06248 (Hebron) 150 Edward G. Marsh 25 SE 16 miles Mile Creek Road Old Lyme, CT 06371 117 Masonic Charity Foundation 38 W

17.5 miles Masonic Home Fara Wallingford, CT. 06492 77 Charles Matway Est.

20 NNW 13 miles Box 238 Brook Street Rocky Hill, CT 06067 45 Marvin S. or Alice Maynard 46 NE 9.5 miles RFD #2 Colchester, CT 06415 101 Judson Meigs 35 NW 17 miles Webster Street Newington, CT 06111 78 John W. Meisterling 49 NW 15.5 miles Meisterling Dairy Farm Box 385 France Street Rocky Hill, CT '06067 h

M

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o

l i Dairy #

Name & Address No. of Cows Direction Distance

(}

28 William J. and/or Thomas E. Mintz 93 WNW 12 miles Walnut Hill Farm Jackson Hill Road Middlefield, CT 06455 100 Munson Bros. Dairy 62 WNW 17 miles 756 Kensington Road 4

Kensington, CT 06037 46 John George Mohrlein 60 NE 8.5 miles RFD #1 Colchester, CT 06415 138 Raymond Muschinsky 27 ESE 14.5 miles Grassy Hill Road East L me, CT 06333 f

126 Newton Brothers 29 WSW 17.5 miles Village Street Northford, CT 06472 16 Steven F. Pach 20 E

3.0 miles Pach Stock Farm Town Street Moodus, CT 06469 (3)

(Farm in East Haddam) 128 Richard Page 67 WSW 19 miles Totoket Road North Branford, CT 06471 129 Judson W. or Pamela A. Page 67 WSW 19.0 miles Mill Road East North Haven, CT 06473 i

i 127' Walter Palasiewski 63 WSW 17.5 miles l

Box 42, Forest Road l

Northford, CT 06471

(

96 Henry Pekrul 79 NW 17 miles 65 Symour Road Berlin, CT 06037-60 Douglas H. Porter 176 NNE 13.5 miles l

Porter Farm, Inc.

l RFD #1 Hebron, CT 06248 l

l 83 Robert W. Raudat 14 0 WSW 8 miles Mid Valley Acres r~

Old Durham Road (m T r

/

Killingworth, CT 06417 i

i I

(

L..

i Dairy #

Name & Address No. of Cows Direction Distance

()

36 Richard H.; Richard R. Rowe 35 W

8.5 miles Box 4 Higganum Road Durham, CT 06422 61 Ronald G. Saglio 78 NNE 15 miles Wood Mill Farm RFD #1 Hebron, CT 06248 17 Richard Saltus 40 N

6 miles Saltus Farm Middletown Avenue East Hampton, CT 06424 29 Linus L. Sanstrom, Jr.

33 W

12.5 miles Strickland Road Middlefield, CT 06455 30 Gustave Schmaltz 68 WNW 12.5 miles Far View Farm Jackson Hill Road Middlefield, CT 06455 79 Steven Schultz 19 NW 15.5 miles 132 France Street

()

Rocky Hill, CT 06067 26 George E. & Marion X. Seifert 36 WNW 8 miles Arbutusland Farm Kelsey Street Miodletown, CT 06457 118 Robert C. Self & Janet M. Self 105 W

14.5 miles Fieldstone Fars 63 Grieb Road Wallingford, CT 06492 48 Swider, Blanche & Walter 53 ENE 11 miles RFD #3 Colchester, CT 06415 119 Albert Tartaglia Jr.

21 WSW 16.5 miles 25 No. Airline Road Vallingford, CT 06492 151 Leon H.,

Jr. and John J. Tiffany 86 SE 11.0 miles Sterling City Road Old Lyme, CT 06371-120 Tomlinson Bros.

71 WSW 17 miles Three Meadows Farm

/~

355 Woodhouse Avenue (sN 1

Wallingford,.CT 06492

-S-Dairy #

Name & Address No. of Cows Direction Distance C}g 121 Claude Tremper 44 WSW 17.5 miles 595 Woodhouse Avenue Wallingford, CT 06492 49 Garry and/or Nadine Vaill 27 E

13.5 miles Forsythe Rd. RFD (Salen)

Colchester, CT 06415 62 Jonas & Jane Valys 200 NNE 14.5 miles RFD #1 Hardy Road Hebron, CT 06248 122 Thomas J. Wall 70 W

13 miles 963 Northrop Road Wallingford, CT 06492 97 Mary Wasilewski 54 NW 15 miles Riverside Fara RFD #2 Berlin, CT 06037 (Rocky Hill) 123 Alex Werbiski 26 W

14 miles North Farms 1069 Farms Road

-(i Wallingford, CT 06492 O

106-Richard L. Westfort 95 WNW 13.5 miles 543 Allen Avenue Meriden, CT- 06450 124 Dwight Williams & Sons 59 WSW 16 miles 989 East Center Street Wallingford, CT 06492 37 Raymond R. Wieler.

135 WSW 11 miles Guilford Road Durham, CT 06422

O GOATS WITHIN 20 MILES OF CONNECTICUT YANKEE 4

AS OF SEPTEMBER 1980 Dairy #

Name & Address No. of Goats Direction Distance 89 Al-Sa Acres Dairy 6

SW 14.5 miles Emily Bolduc 1029 Hoop Pole Road North Guilford, CT 06437 134 Alan Arch 2

ESE 16.5 miles 27 Marion Drive East Lyme, CT 55 Jason Baker 2

NNE 11 miles Jones Street Hebron, CT i

8 Philip Bourdon 11 N

7.5 miles Young Street (Rt. 196)

East Hampton, CT 06424

()

163 Annette Beatty 1

ENE 16.5 miles Geshen Hill' Road Lebanon, CT 27 Fred Berner 2

WNW 10.5 miles 27 Ross Road Middlefield, CT 18

~Loren Blackford 3

WNW 10.0 miles 35 Knowles Avenue Middle +own, CT 06457 56 Joan Bowers 5

NNE 16 miles 350 Wall Street Hebron, CT 42 T. C.~Bradshaw 1

NE 7.0 miles Rt. 149 Colchester, CT in.,

I i

Dairy #

Name & Address No. of Goats Direction Distance 38 Lawrence Brown 11 ENE 11.0 miles l

West Road.

Colchester, CT 68 Marilyn Carini 7

N 12.5 miles 797 Mott Hill Road South Glastonbury, CT 51 Nelson Chamberlain 2

NNE 17 miles i

51 Webster Lane Hebron, CT 80 Karen Connelly 7

SSW 7.5 miles 277 Roast Meat Hill Road Killingworth, CT i

i 165 Sara Cross 2

NNE 14 miles i

Rt. 85 Hebron, CT 75 Fenny Damiata 5

NW 13.5 miles 43 North Road Cromwell, CT 1

Don Donofrio 15 NW 1.5 miles Indian Hollow Road Haddam, CT 40 Elizabeth Gillman 4

NE 8.5 miles Cato Corner Road Colchester, CT 87 Michael Garritta 2

S 11.5 miles 254 Cow Hill Road I

Clinton, CT 669-7225 i

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Dairy #

Name & Address No. of Goats Direct.icn Distance 2

Mrs. Horton 1

ESE 6 miles Clark Hill Road East Haddam, CT 136 Ellie Korineck 6

ESE 15 miles 233 Upper Pattagansett Road East Lyme, CT 70 Kim Kristoff 3

N 15 miles Marlborough Road Glastonbury, CT t

39 Jay & Maurice Lizotte 2

NE 11.5 miles Old Hebron Road Colchester, CT 81 Beverly Lapham 3

SSW 12 miles River Road Killingworth, CT

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67 Kenneth LaRoche 9

NNW 9.5 miles South Road Portland, CT

.i 140 Dan Mazzella 3

ESE 18 miles 49 Fairhaven Road Niantic, CT 82 Donald McDougall 3

SSW 7.5 miles l

Alders Bridge Road Killingworth, CT 148

' Francis McTigue 2

SE 11.5 miles 9 Lyme Street Old Lyme, CT 4

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Name & Address No. of Goats Direction Distance

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166 Lynn Hiller 5

ENE 16.5 miles Goshen Hill Road Lebanon, CT 31

' Kerry Monroe 2

W 10.5 miles Wallingford Road Durham, CT 107 Jeff Nagy 1

WSW 17 miles 175 Pond Hill Road Wallingford, CT 53 Elaine Phillips 11 NNE 16.0 miles 310 Burnt Hill Road Hebron, CT 108 Robert Pogmore 11 W

14.5 miles 177 Williams Road Wallingford, CT 141 Walter Reifeiss 3

ESE 18 miles Flanders Road Niantic, CT 52 Cynthia Ruth

'l NNE 13.5 miles 8 Porter Road Hebron, CT 167 Jamie Sabo 8

NE 18 miles Rt. 87 Lebanon, CT 15 William Sattler 3

ENE 2.5 miles RFD #1, Box 71 Moodus, CT

Goats do not graze, are grain fed.

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Name & Address No. of Goats Direction Distance I

41 Joseph Schall 2

ENE 10.5 miles West Road Colchester, CT i

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19 Martha Seifert 1

WNW 8 miles Kelsey Street i

Middletown, CT 06457 88 John Sevanick 2

S 14.5 miles 11 Neck Road Clinton, CT 91 Robert Sperry 2

SW 18.5 miles 22 Broad Street Guilford, CT 86 Victor Trudeau 4

S 11.5 miles 174 Horse Hill Road Westbrook, CT

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10 Christine Walters-2 NNW 5 miles 96 Chestnut Hill Road i

East Hampton, CT 06424 i

3 Jane Wagoner 1

ESE 6.5 miles I

A. P. Gates Road East Haddam, CT f

i 71 Charles Walstedt 11 N

13.5 miles 51 Wassue Road Glastonbury, CT 54 Kathy Waters 2

NNE 15.5 miles Burnt Hill Road Hebron, CT

Goats do not graze, are grain fed.

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Name'& Address No. of Goats Direction Distance

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11 Yvonne Webber 2

N 5.5 miles Skinner Street East Hampton, CT 06424 i

267-2362 1

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109 Russell Woodman 1

W 18 miles I

35 David Drive Wallingford, CT 269-2595 l

l 84 Walter Zanelli 1

W 4,5 miles l

f Brainard Hill l

Higganum, CT

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345-4885 1

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APPENDIX B 4

1 Quality Control i

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Introduction C/

Northeast Utilities Service Company (NUSCO), acting as the agent for both the Northeast Nuclear Energy Company (NNECO) and the Connecticut Yankee Atomic Power Company (CYAPCO), maintains a quality assurance (QA) program of its primary contractor of radiological analyses, Interex

, ~

Corporation (Teledyne for H-3 in water samples). This is accomplished by the use of the three quality control methods that are specified in Radioassay Procedures for Environmental Samples, U.S. Department of Health, Education, and Welfare (January 1967) and is in addition to that performed internally by Interex Corporation and by their participation in EPA's Environmental Radioactivity Laboratory Intercomparison Studies Program.

The three quality control methods are:

a)

Duplicate analyns of actual surveillance samples with one laboratory.

This type of quality control allows an evaluation of the contractor's precision or reproducibility of results.

b)

Cross-check analyses of actual surveillance samples with more than one laboratory. This intercomparison' allows the determination of what agreement the primary contractor has with another laboratory.

c)

Analyses of " spiked" samples. This type of quality control allows a check on the contractor's securacy of results.

A fourth quality control method is performed on all of the cesium (Cs) chemistry analyses (except air particulate quarterly composites) by comparing the chemistry and the Geli (gamma) spectrometry results.

Method The number and type of QA samples are given in Table 1.

In general, the objective was to obtain between 10 and 20 percent of the samples as QA samples. The results of the program are shown in Tables 2, 3, 4, and 5.

These four tables correspond to the above methods of quality control.

For I-131 spikes in milk, the acceptance criteria is based on the require-ment that the measured value be within 30 percent of the spike. The acceptance criteria :for all the rest of the QA is based on the standard deviation in counting statistics (1 sigma,r) only. The standard deviation is divided into the difference between the two measurements (A). The result then has.to satisfy-the acceptance criteria as developed from the above-mentioned U.S.-Department of Health, Education, and Welfare document.

For all Geli analyses the criteria that need be satisfied is _that A/e-be less than or equal to 3.

For chemistry.and beta counting, where the' overall error is expected to be higher than the calculated error based on counting statistics only, the acceptance criteria is that A/o-be less than'or equal to 4.'

C v.

B-2

Results For Precision (Table 2), the requirement is that the unacceptable results be less than 10 percent of the number of measurements for that type of measurement as shown for the totals. General statistics indicate that this value should be approximately 2.5 percent for counting statistics, but other non-counting statistical errors exist such as sample volume, i

t

. sampling, etc.

Hence, 10 percent has been found to be reasonable criteria.

From the totals at the bottom of Table 2 this requirement is satisfied t

for all analyses except that of total cesium (Cs chemistry).

For Interlaboratory Comparisons (Table 3) the requirement is less stringent 4~~

than both Precision and Accuracy, that is the unacceptable results be less than 20 percent of the number of measurements for that type of measurement. From the totals at the bottom of Table 3 this requirement j

is satisfied for all cases except that of total cesium (Cs chemistry).

For the case of Accuracy, only the primary contractor need satisfy the acceptance criteria. The secondary contractor receives only a small number of samples thus making the evaluation of the secondary contractor F

difficult. The requirement that need be satisfied by the primary contractor here.is the same as that for Precision, that the unacceptable results be less than 10 percent of the number of measurements for that type of measurement ~

From the totals at the bottom of Table 4 this requirement is satisfied for'all cases except for I-131 in milk and Cs chemistry.

E Investigations have been performed into the cases, mentioned above,

p-

. s_j where the results had deviated from the acceptance criteria. The first three methods of quality control indicate a potential problem with the F

cesium chemistry' analyses (except' for air particulates). This problem has to a lesser _ extent existed in the past. Therefore, for.the past three years all of-the results of these analyses have been verified by F

Geli spectrometry.(Cs-137 Geli) and-in 1980 the fourth method of QA was instituted in order.to further evaluate the total cesium results. This method, the' comparison of the total cesium-and'Geli results is shown on t

Table 5.. Evaluation of the results, even before any reanalysis shows

~

acceptable ' agreement (i.e., < 10 pe'rcent. were unacceptable). After U

reanalysis, all but five.of the unacceptable measurements showed better

-agreement. Therefore, it can be concluded that the data presented for total cesius' (Cs chemistry) in(this report is valid.

The only.other deviation 'from thc iceptance criteria occurred in the-LI-131 milk' spikes. This problem'was investigated by having a special set of spiked samples analyzed in December; however, possible. influences i.

of fallout from the recent. Chinese nuclear test precluded any definitive

.results..Further invertigation will. continue in 1981.

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O Table 1 Number of Quality Control

Samples i

Number of Number of Routine Sample lype QC Saarles Required Samples *'

Milk 32 112 Well Water" 20 28 Sea Water 2

16 River Water 2

8 Soil 3

16 Bottom Sediment 4

26 Aquatic Flora 4

12 Fish 13 40 Shellfish 4

52 Lobster 0

12 Fruits and Vegetables 0

16 Air Particulate - Gross Beta 16 1092

- Iodine 12 416 4

- Geli 24 252

- Chemistry 8

84 i

An additional program is performed by the contractor a

-Total for both Millstone and Connecticut Yankee 4

b - Depends on availability c - QC breakdown does not include H-3 analysis; total number of tri-tium QC samples was 35.

B-4

Table 2 Precision Acceptance Number of Measurements Media Analysis Criteria Acceptable Unacceptable Milk Sr A/es4*

20 1

9 Sr A/e s4 21 0

Csghemistry)

A/Ws4 17 4

y Cs (Geli)

A/e53 21 0

Water H-3 A/ r $4 10 0

Soil &

Gegf's A/F$3 4

0 Bottom Sr A/ es4 4

0 Sediment Aquatic Gegg':

A/ 753 4

0 Sr A/ r54 3

1 0

i-Total Sr A/es4 27 2

4 -

Cs (chemistry)

A/754 17 4

O'd i

Geli A/e s3 29 0

H-3 A/o-$4-10 0

i

A = difference between the two values e = standard deviation d - O

k Table 3 Interlaboratory Comparisons Acceptance Number of Measurements d

Media Analysis Criteria Acceptable Unacceptable 90 Milk Sr

,j,,$4*

6 0

9 Sr A/O'54 6

0 Cs ghemistry)

A/ 754 5

4 y

Cs (Geli)

A/*$3 9

0 90 Water Sr A/"14 6

0 H-3 A/o'54 14 0

Soil &

Gegg's A /C53 3

0 Bottom Sr A /e54 3

0 Sediment Aquatic Gegg's A/0*S3 9

1 Sr A/Cr$4 6

1 0

Total Sr A/O's4 21 1

H-3 A/O*$4 14 0

Geli A /O'13 18 1

Cs (chemistry)

A/r$4 5

4

A = difference between the two values 0"=

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Number of Measurements Acceptabic Unacceptable Acceptance Primary Secondary Primary Secondary Media Analysis Criteria Contractor Contractor Contractor Contractor 1

Milk 1

A $ 30%

8 3

4 3

Sr A /a-s 4 4

1 0

1 Csghemistry)

A /c-5 4 4

0 Cs A/c53 4

2 0

0 l34 Cs A /c-53 1

1 0

0 Water Geff*

A /o- $ 3 12 4

0 2

Sr A/r $ 4 12 6

0 0

H-3 A /a-54 7

4 0

0 Cs (chemistry)

A/e s 4 9

2 Aquatic Gegg A/r s 3 4

2 1

0 Sr A/O" $ 4 4

1 1

0 Cs (chemistry)

A/c-s 4 1

1 0

Air _

GrossS A/c-S 4 15 1

Particulate Geli A/o" s 4 24 0

Csfchemistry)

A/o $ 4 8

0 g

f31

/

$4 7

S 1

~

I A /cr $ 4 11 1

I Total I

(milk)

A $ 30%

8 3

4 3

Sr A/O- $ 4 27 8

2 1

Cs (chemistry)

A/P $4 22 3

Geli A/a t 3 44 8

1 2

A/o $4 7

4 0

0 Hgg(air)

I A/O s4 11 1

Gross $

A/O S 4 15 1

A = difference between the two values d = standard deviation Gdl v

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Table 5 Cs Chemistry and Geli Comparisons

Number of Measurements Before Any Reanalysis After Reanalysis Media Acceptable Unacceptable Acceptable Unacceptable Milk 140 12 149 3

_ Fish 38 3

41 0

Bottom 11 2

12 1

Sediment Grass 6

1 6

1 Fruits and 7

1 8

0 Vegetables Total 202 19 216 5

O Acceptance criteria is A/a"$4 where A = the difference between the two values-GF'= the standard deviation t

' O 4

-

ML20003E579

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