Text

Radiological Environ Monitoring Rept,1978
	ML19199A348
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Site:	Crane
Issue date:	12/31/1978
From:	; Metropolitan Edison Co, Teledyne Isotopes
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l*L-5590-443 TTELEDYNE ISOTOPES METROPOLITAN EDISON COMPANY RADIOLOGICAL ENVIRONMENTAL MONITORING REPORT 1978 ANNUAL REPORT Prepared for the TilREE MILE ISLAND NUCLEAR STATION Prepared by TELEDYNE ISCTOPES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675

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TTELEDYtlE ISOTOPES TABLE OF CONTENTS PAGE iii LIST OF FIC'JRES iii LIST OF TABLES 1

SUW1ARY 4

1RTRODUCTION 4

PROGRAM 4

Objectives 4

Design 5

Exceptions 8

RESULTS AND DISCUSSION 8

Aquatic Environment 13 Atmospheric Environment 16 Terrestrial Environment 17 Direct Radiation 19 ASSESSMENT OF IMPACT 21 CONCLUSIONS 23 REFERENCES 2S APPENDIX A-Sampling Locations 31 APPENDIX B-Data Tabics 83 APPENDIX C-Sampling Methods, Analytical Procedures, and EPA intercomparison Results 1 ?.I ' YCf.i 11

TTELEDYNE ISOTOPES LIST OF FIGURES Page 1.

Average Tritium Concentrations in the Susquehanna River in the 12 Vicinity of TMINS 2.

Average Grosr Beta Concentrations in Airborne Particulates in 15 the Vicinity of TMINS 3.

Average Gamma Dose Rates in the Vicinity of TMINS 18 I.IST OF TABLES 1.

Synopsis of the Operational Radiological Environmental Monitoring 6

Program for TMINS 2

Summary of Radionuclide Concentrations in Environmental Samples 9

from TMINS 3.

Summary of Direct Radiation Measurements at 1NINS 11 4.

1978 Environmental Sample Data which result s in Nonroutine Report-20 ing j,[1 ~ 'cT b iii

TTELEDYNE ISOTOPES SubtGY This report contains the results of the operational radiological environmental i. roitoring program (REMP) conducted by Metropolitan Edison Company at 1hree Mile Island Nuclear Station (TMINS) during the period January 1 through December 31, 1978.

Teledyne Isotopes (TI) provided the radiological, analytical services in 1978. The program was designed to meet the Environmen+al Technical Specifi-cations (ETS) for TMINS Unit #1 (131I-1) and the Preoperational and Operational Requirements for TMINS Unit # 2 (1}il-2). (1,23),

Samples taken during 1978 from the aquatic, atmcspheric, and terrestrial environments and also direct radiation measurements were analyzed and the results are included in this report. Table 1 is the synopsis of the operational Radio-logical Environmental Monitoring Program for TMINS.

The aquatic environmental sampling program consisted of the analyses of eighty-two surface water samples from seven locations, of eight fish samples from two locations, and of six sediment samples from three locations.

Ichthyo-logical Associates was unable to locate any aquatic vegetation, which was suitable for analysis, upstream or downstream of the TMINS Discharge, in July, August, or October 1978.

The atmospheric environmental sampling program included the analyses of three hundred and ninety-feur air particulate samples from eight locations, of one hundred and ninety-seven air iodine sampic from four locations, and of forty-eight precipitatien samples from four locations.

The terrestrial environmental sampling program consisted of the analyses of ninety-four milk samples from six locations, and of six green leafy vegetables from five locations.

Direct radiation immersion dose measurenents using TLDs were monitored at twenty locations during the four quarterly periods of 1978 for a total of three hundred and eight analyses.

From this study elevated activities were detected in several pathways as a result of the March 14, 1978 atmospheric nuclear test by the Peoples Republic of China. The elevated radionuclide concentrations resulting from the Chinese nuclear test affected both the indicator and background locations and can thus be attributed to sources other than TMINS operation.

Investigations were required for three precipitation water samples and two surface water samples in 1978. The three precipitation samples were collected from March 23 to March 30 from stations TM-RW-8C1, 5A1, and 15Gl.

The gross beta activities measured were 130 1 10 pCi/ liter, 130 ! 10 pCi/ liter, and 140 1 10 pCi/ liter respectively. The probable cause was an atmospheric nuclear test ccnducted by China on March 14, 1978. Two surface water sampics were collected from December 6 to December 20 from stations TM-SW-9A2 and 9Bl.

The tritium activities measured were 5200 320 pCi/ liter and 5430 320 pCi/ liter, respectively.

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TTELEDYNE ISOTOPES The fourth quarter t ritium composites for stations CA2 and 9151 were 1960 i 130 pCi/ liter and 1980 1 130 pCi/ liter respectively, and requireo a non-routine report to the NRC. The average of eight (no sample was collected in January) other monthly smaples in 1978 was 210 ! 58 pCi/ liter.

The direct radiation irr.mersion dose measurements using T1.Ds indicate only natural environmental radiation was observed in 1978.

The sample locations chosen and analyses performed on the various media are more than adequate for detecting any environmental perturbation, whether station related or externally caused for all significant pathways.

Thus it is coi cluded that the Three Mile Island Nuclear Station did produce any significant changes in the levels of environmental radioactivity not

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T TELEDYNE ISOTOPES I N i Rthit it i i ON A complete radiological envircr. mental monitering program i RLMP) for Ehree Mile Island Nuclear Stat ion ( TM I.'o ) Unit I has been conducted by Metropolitan Edison Company since June 1969.

The REMP also covers the preoperational progran and operatienal progra.n for Unit 2.

R1diatien Management Corporation participated in the program from Fecruary 21, 1974 until August 30, 1977 Results of the preoperational phase of the REMP up to June 5, 1974, and of the operational phase (June 5, 1974 through Decenber 31, 1977) were report ed i n previous INC documen t s (2,3,4,5,0) and TI document 22).

1eledyne Isutopes has continued the radioicgical environmental r:cnitoring program since September 1, 19~~

This report presents in detail the type and nu.ber of samples analyzed, the analyses perfomed and the data generated by TI for the period January through Decenber 31, 1978.

Int erpretation of the dat a is also presented.

Three Mile island is the site of two operational nuclear power

.. nits of the pressurized water reactor (PWR) type. The station consists of two reactor units; Unit 1,

rated at 8 71 FN e, achieved criticality on June ;, 1974.

' Ibis marked the beginning of the operational phase of the REMP for Uni t 1.

Unit 2, rated at 959 ANe, achieved initial criticality March 28, 1978 and was designated in commercial operation en December 30, 1978.

The TMI-2 Operational RERP was therefore followed from March 28, 1978.

The station is located on lhree Mile Island in the Susquehanna River in Dauphin County, t en miles southeast of ilarri sburg, Pennsylvania.

The average flow of the river at this point is 34,000 cfs(7).

The site consists of an 814 acre t ract on Three Mile Island and several smaller adj acent islands. General climatic conditions are characterized by a mild continental-type climate with litt le severe weather.

Agriculture is the largest land usage in the area (451), with the emphasis on poult ry, dairy, cattle and field crops (5)

Mere specific infornation on the demography, meterology and land use characteristics of local area may be found in the Environmental Report (9) Environmental Statement (10), Final Safety Analysis, Report for TMI-2 (11) the Environmental Report Supplement II (12), and the FS FES (Nureg 0112) (21) 3 13'~ ;?C9

W TELEDYNE ISOTOPES PROGRAM in the operational phase of the REMP, radioanalytical data are collected for comparison to that generated tr the preoperaticnal phase.

Differences between these two periods are compared to determine whether any station effects exist based on the magnitude and fluctuatiens 01 radioacti-vity levels determined in the preoperational phase.

Objectives The objectives ef trie operational radioicgical envirenmental program are:

1.

To fulfill the c.bligations of the Radiological Envirenment.a1. Surveil-lance sections of the Environmental Technical Specifications for TMI-1 and the Preoperational Program for TMI-2.

2.

io deternine whether any statistically significant increase occurs in the concentration of radionuclides in critical pathways.

3.

To detect any ouildup of Jong-liver radionuclides in the environment.

4 To detect any change in ambient gamma radiation levels.

5.

lo verify that radioactive releases are within allowable limits and that TMI-I operations have no detrimental effects on the health and safety of the public or on the environment.

This report provides information for the.Abtropolitan Edison Company, General Public Utilities, regulatory agencico, and the public record toward these objectives.

Design in order to meet the stated objectives, an appropriate opera-tional REMP was developed for Metropoliten Edison Company.

Samples for the operational REMP were taken from the aquatic, atmospheric, and terres-trial environments. Samples of various media were selected to obtain data for the evaluation of the radiation dose to man and important organisms.

Sample types were based on (1) established critical pathways for the trans-fer of radionuclides through the environment to man, and (2) experience gained during the preoperational and initial operational phases.

Sampling locations were determined from site meteorology, Susquehanna River hydrology, local demography and land uses.

Sampling locations were divided into two classes--indicator and control.

Indicator stations are those which are expected to manifest station effects, if any exist ; control samples are collected at locations 1T210 4

TTELEDYNE ISOTOPES which are believed to be unaffected by station operat ions.

Iluctuations in the levels of ra iior,uclides and direct radiation at aalicator stations are evaluated with respect to analogous fluctuationa at enntrol stations, which are unrelated to station operations.

Indicat or station. lata are also evalu-ated relative to background characteristics est ablisned prior to station operation.

Additional sunpie-beyc nd those reqcired by the Environmental Technical Specifications were collected and ana137.ed and were designated as management audit samples.

The analysis of samples and the analytical data generated during the program were routinely evaluat ed by the T1 proj ect leader who is the liaison with Metropolitan Edison Company personnel.

Further review of REMP design and analytical data performed by TJ and the Metropolitan Edison Company professional staff in light of current regu l at o rv trends and operating experience.

The analytical procedures and quality cont rol methods utilized by TI are detailed in References 14 and 15.

Table 1 summarized information on the Three Mile Island Nuclear Station operational REMP.

Appendix A explains the cample coding system which specifies sample type and relative locations at a glance.

Table A-1 gives the pertinent information on individual sampling locations, while Maps A-1, 2, and 3 show their geographic locatione.

Exceptions The Operational PEMP for TMI-I and the Preoperational Progran for TMI-2 were conducted in accordance with the Environmental Technical Specifications for TMI-1 (1),

The Operational REMP for lM1-2 was conducted in accordance with the Environmental Technical Spenifications for TMI-2 (23), Deviations from the Radiological Environmental Sampling Program as described in Table 3 of the Unit 1 ETS and Table 3.2-2 of the Unit 2 ETS occurred during this period.

Because aquatic plants are very scarce in the vicinity of TMINS, none were available for sampling during the 1976, 1977, and 1978 reporting periods.

Purp outages resulted in the loss of 18 air particulate samples and 9 air iodine samples at various stations.

One air particulate was not in its envelope upon arriva; at Teledyne Isotopes. Air particulate sample recovery rate was greater than 95% and air iodine greater than 94%.

Twenty six surface water samples were not collected due to frozen river conditions. Four samples were lost in transit and eleven not collected because of malfunction of the autccatic ccmpositing sampler.

Five milk samples were lost in transit and two samples were not collected because the dairy went out of business.

No milk sampics were collected in

January,

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4 5

METROPOLITAN EDISON COMPAST TABLE 1 SYNOPSIS OF TifE OPERATIONAL RADIOLOGICAL ENVIRONACNTAL PONITORING PROCRAM FCR TMINS J AN'JARY 1 TliROUQi CECEMER 31, 197*.

SAMP LE COLLECTION SAWPLING NLNJER OF ANALYSIS bufBER Cr TYPE FREQUENCY LOCATIONS S AMP LI S CO L LE CT E D TYPE TRFOUENCY SUTLES AN ALY3ED Surface Water /

MC 7

82 I-131 MC 47 Peta MC 81 Drinking Water Gama FC 81

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8 Sr-89 SA 8

Sr-90 SA 6

Cara SA 8

Sediment SA 3

6 Sr-89 SA 6

Sr-90 SA G

Cara 51 6

Air Particulates W

8 395 Beta W

393 C ar a MC 24 Gama QC 32 Alpna QC 3

Sr-89 QC 3

Sr-90 QC 8

Air Iodine W

4 197 I-131 W

197 Precipitatic,n M

4 48 Beta M

48 Garzna QC 16 H-3 QC 16 Sr-89 SA S

Sr-90 SA F

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METROPOLITAN EDISON COMPANY TABLE 1 (cont.)

SYNOPSIS OF Tit CPERATIONAL RADICLOGICAL ENVIP.ONMENTAL MONITORINC PROGRAM FOR 1NINS JANUARY 1 D!ROUCll DECDfBER 31, 1975 ANALYSIS NLH5ER CF SAMPLE COLLECTION SAMPLING NLNBER OF TYPE FREQUENCY LOCATIONS SAMT LTS COLI.EETED TYPE FRTQUENCY SAMPLES ANALYSED I-131 M, bi-M 92 Milk M

6 94 Cim a M, bi-M 94 23 Sr-89 QC 23 Sr-90 QC 6

6 C a.*.::na A

Green Leafy A

5 Vegetables 77x4 = 303 77 Gama Dose Q

Dosimetei s Q

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4

TTELEDYNE ISOTOPES RESUIIS AND DISCUSSION The averages and ranges of analyt ical results are s a arized in Table and 3.

l ab l e 2 is a summary of gross Leta, H-3, Sr-89, I-131 and gera spect romet ric resul t s for various samples.

Table 3 is a su= aty of arbient radiatien levels as measured by thermoluminac mt dosimeters Results for Means each type of sample were grouped according to the analysis perforned.

and staaJard deciM ions of these results were calculated when applicable These standard deviations represent sample population variability rather than analyt ical variabilit y.

The data for individual samples are presented in tabular forte in Appendix B, Table B-1 through B

.1,.

Within the data tables a 95% (!R) confidence interval is supplied These int ervals represent the range of values int o which 951 cf repeated analyses of the sample would fall.

All resulta occurring at cr below the relevant minimum detectable level were reported being "less than" the MDL value.

A3uatic Environnent Surface Water Monthly surface water samples were collected at seven locat ions on the dat e:,

shown i :. farle B-1.

Weekly grab sa.rples frcrc Statier.s 1C3, 9/.2, and 982 were taken and composited.onthly.

Samples from Stations bel, SC2, and 15F1 were composited :an; ally and samples f rom Station 7G1 were aatomat ically composited ior the monthly analyses Each sample was analy:ed for cross beta, pena emi tt ing no:1i J. >, and t ri t iic-1odine-131 was analyzed.n the monthly sa 31 < >

for stations,G1, SC2, SL1, ana 15F1 (drinking water).

Qucrterly ccmpositts for each of these fcur stations were analyzed for Sr-89 and Sr-90.

Qua rt e r l y composites for each of the seven stations were analyzed for tritium.

Results of gross beta analyses are prcsented in Table B-2.

The activities of the '3 positive reasurements (81 samples were analy zed) rangea between 1.3 and 22 pCi/ liter, Results of concentrations of ganna emitting nuclides are presented in Table B-3.

Only one low level Cs-137 activity was observe 1 in 81 samples.

Results of monthly H-3 analyses are presented in Table B-4.

At one indicatur station 0.5 mile south of the site below the Discharge Pipe, the H-3 concent ra-tions were slightly above background from April through August and from October through November and considerably higher (52001320 pCi/ lit er) in December.

At the other indicator station 1.5 miles south of the site above the York Haven Dam, the H-3 c.oncentrations were slight ly above background in June and November and considerably higher (54301320 pCi/ liter) in Dece.iber.

Of the 58 san.ples from untreated drinking water facilities only one, at a location of 15 miles SE of the site, showed a U-3 activity (470!100 pCi/ li t e r) slightly above tlc control station value, however still within the nomal variation of backpcund.

The dose implications of these H-3 levcis are discussed under " Assessment of Impact" Results of the surface water samples composited on a quarterly basis are presented in Table B-5.

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TTELEDYNE ISOTOPES and of th" ( cat ro l station, ure consistt ith the a.c raginy L) thice un t L e

int e rv al s of the h-3 rc:.:lt s prt.mented in !able B-4 and thto the sa t disca331on of the Im e, a applicab'e.

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athly I-131 analyse:

u unt asted wate. +i the tour water t rc at:aent acilities are given in Eb i e S-0.

The one pasitive measur C

ment of 0.20t0. i4 pCi /!it er at Brunner I s lar d in March is probabl; c.t t ribut ab l to the Chinese atmospherie nuclear test en March 14.

Note that th:s value is only slightly above the -inimum detectable level Resu'ts of analycis of surf ace water f or a r-e3 and Sr -90 2re einented in Table B ~

'hese analyses were made on untreated water ficm the four water t reatmer.t facilitics. The one positive Sr-90 meast.rrnent, the remainde.

of the Sr-90 reas arura nt s, and all the Sr-89 measurcments were betow the re-quired miaimum detectable activity level.

Fish Fish samples were callected at two locations each in August and Octcher of this reporting period.

Adult fish were filleted to obtain samples weighing about 2kd. each.

Tnese were separated into classes of bottom feeder versus predator-gate apecies.

Gamma spectrometry and Sr-89 and Sr-90 analyse, are given in lable B-S.

Sr-69 was not detect ed in any o f the samples.

Sr-90 was detected in fi.e at the eight samples with the highes+ valt.e of 190!10pCi/kg detected in one upstream sample (16B1).

The gama spec t ron'etric result s show natural K-40 present in all fish samples, as expected.

Typical MDLs by th:5 method are listed in Table B-24 Since the Sr-90 and Cs-137 were detected in the upstream as well as the downstream samples, neither shculd be at t ributed to station operation.

Sediment Three sediment almples were taken in July and again in October and all samples were analy;ed for Sr-89 and Sr-90 and gama emitting nuclides.

Strontium in sediment results are given in Table B-9.

Neither Sr-69 nor Sr-90 was detected in any of the samples.

The results of the gamma analyses are als given in Table B-9.

The naturally occurring radionuclides K-40 and Th-22S were found in all six cediment samples; naturally occurring Ra-226, in five.

The gamma emitting radionuclides Be-7, Co-58, Ir-95/Nb-95, Cs-134, Cs-137, and Ce-144 of v,hich some are fallout and some are naturally occurring, were detected in low concentrations and at varying frequencies in the six samples.

All cf these activities have insigni ficant effect on dose implications.

Atmospheric Environment The atmospheric environment around TMINS was esamined by analyzing att particulate filters, charcoal cartridges, and preelpitation samples.

Air particulate samples were collected at eight locations with low volume air 4yog

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13

WTELEDYNE ISOTOPES samplers using either liollingsworth an 1 Vess in -70 gauze hadea filtcrs or

!!ollingsworth and Vess LB-5211 spun-honded palyest er laminated fi lt ers.

At four of these locations, air iodine acples were r ollected on Cesco "B"

charcoal (flow through) cart ridges com.act ed in set 2 er following the a2r particulate filters.

Air solumes were measured with dry gas meters and rec o rded.

Both air particulata and iodir.e w ple> wrr milect ed weekly.

Precipitation was collected by using a ]? ind diameter funnel draining into a 5 gallen polyetiylene Lottle The neumulated samples were collected and composited for monthly analysis.

Air Particulates All air particulate samples were analy:cd weekly for gross beta activity and monthly composites of all indicator and of all control samples were examined for gamma emitting nuclides.

On a quarterly frequency the air particulate samples were ccmposited by individual stations and were analyzed for gamma emitting radionuclides, and then composited for gross alpha, and Sr-90 by indicator and control locations.

Results of gross beta analyses are listed in Table B-10.

The weekly averages frcm the beginning of the year until March 15 ranged between 0.020 and 0.083 pC1/Cu.M. The gross beta activity increased rapidly to an average peak activity of 0.278 pCi/Cu.M. for the week ending March 30.

The increase is attributed to fallout from the Chinese atmospheric nuclear test ca March 14.

The weekly overage then decreased during the remainder of the year and had an average activity of 0.029 pCi/Cu.M. for the month of December.

Figure 2 show, the monthly results of the indicator stations averaged and the control stations averaged from 1974 through 1978.

ihe gamma spectrometric results on the acnthly composites of air particulate 111ters are presented in Table B-11.

The cosmogenically-produced Be-7 was present in all the samples.

The short-lived fission products Ru-103, Ru-106, I-131, and Ba-140 measured primarily in March in both the control and indicator samples are attributed to the Chinese atmospheric nuclear test on March 14.

The only radionuclides possibly attributable to the operations of Tit 1NS were low levels of Co-58 measured in the indicator samples in April and July and of Cs-134 in April.

These three activities have insignificant effect on dose implications. The gamma spectrometric results on quarterly composites of air particulate filters by individual stations are presented in Table B-12.

Most of the same radionuclides were observed in the quarterly composites and in the monthly composites, as is to be expected, with the following exceptions.

No I-131, tho shortest-lived of the fission products observed in the monthly samples, was measured due to the longer lapse time to the reasurement date.

Cobalt-58 was not observed in the quarterly samples for the same basic reascn.

Cesium-134 was not observed probably because of a volume dilution effect since it was only slightly above detectability in the monthly sample.

The air particulate samples were also composited quarterly, after completion cf the quarterly gamma spectrometric analyses by stations, by the indicator and control locations. The analyses performed were for gross alpha and Sr-90, the results of which are gi,en in Table B-13 for the former and in Table B-14 for the latter. The activities levels in all the samples were very low.

IT 220 14

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'mTELEDYNE ISOTOPES Air Iodine Gaseous iodine was collected on charcoal cartridger at four locations.

The resulting samples were analy:ed week 2y for 1-131 and the result are listed in Table B-15.

Seven positive measurements of I-13i ranging from 0.018 to 0.501 pCi/Cu.M. were det ernined during the two week pericd of March 15 to March 30.

These activities are att ril:ut ed to the Chintse atmospheric nuclear test of March 14 Precipitation Monthly precipitation samples were analyzed fer gross beta activity and for H-3 and gamma emitting nuclides in quarterly composites from each sta-tion.

Concentrations of Sr-89 and Sr-90 were determined in semiannual compositer from each station. The result s of gross beta activity measurements in precipita -

tion samples are presented in Table B-16.

As with other abuesphcric medin, the gross beta activity increased in March due to the Chinese atmospheric nuclear test on March 14 The results of analyses of quarterly composites of precipitation fcr H-3 and gamma emitting nuclides are presented in Table B-17.

Tritium concentra-tions averaged 234 90 pCi/ liter.

The only ga=na enitting nuclides observed were two Ru-103 activitics, the average of which was 20 i I pCi/ liter.

Typical MDLs for gamma spectrcmetric analyses of precipitatien and all other media are listed in Table B-24 Semiannual composites of precipitatico samp!cs from each station were analyzed for Sr-89 and Sr-90 and the results are presented in Table B-18 Of the eight samples analyzed, two contained Ics levels of Sr-89 and five contained low levels of Sr-90.

The Sr-89 activities were measured in samples collected in *he first half of the year and the higher Sr-90 activities were also frem samples collected in the first half of the year.

These reasurements suggest that the probable cause was the Chinese atmospheric nuclear test of March 14.

Terrest rial Environment The terrestrial ronment around 1}i1NS was eaamined by analyzing samples of milk from six 1ccations on a monthly basis and green leafy vegetables on an annual basis.

Two gallon milk samples were collected and shipped fresh to the contractor.

Each sample was analyzed for I-131 and for gamma e:itting radionuclides.

The samples were composited quarterly and analyzed for Sr-89 and Sr-90.

Green leafy vegetabics (cabbage) were collected in July and August from five stations.

Each sample was analyzed for gamma emitting radionuclides.

Milk The results of I-131 analyses of nilk are presented in Tabic U-19.

Of the 92 sampics analy:ed for I-131, three chowed positive results in April and May and are attributed to the Chinese atr,ospheric nuclear test of 11 arch 14 h -[ 7 16

WTELED'/flE ISOTOPES o.

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.411 of the s s.y lc s with an average macent ra t io.i of 12c01 F ',Ei/ liter suu-I r was measured in 29 :a;rples with aa ave rage cf Il ! 4 it

iiter, lhe A 40 i:

a naturally occurring radienuelide, and the ' s -l U i< - ii n, in the environ-ment f ro a numerous atmospheric nuclear t est 3 in the lo30(s) and 19b0(3).

No other gatrn emit t ing radionuclides were observed in the milk 5.cn p l e s Ihc d r - t") and Sr 90 results i n quo c t a rly a.4asi t es of milk a r e shown in fable b-21.

No Sr-89 was measurN in the 23 samples while Sr-90 was measured with an average concentration o f 3. 3 + 1. 3 pCi /li t e r in all t h<

samples.

Green Lea fy '/ege t ab l es lhe r e s u l 's s ct g artm a s p e c t r o..c t i. analyses af green lcafy vegetalle, (cabbage) are presenred in Table fu22.

The alf tr. cast. red radionuclide was the naturally occurring K-4J with an aver ige coactnt rat ion of 2. 4 1 0.7 pCi/ gram (wet Direct Radiation The ambleat radiation 1 -els in the area cf Ihree Mile Island Nuclear m,alfate (DY) t h erm i um i Station were Jet ermined wi th ent rgy cca rem at ; d tullit nescent dos ! rnet e rs A total of 20 quarttrly 'll.D paJ e t s

,t 4 AID sections cach were placed at 20 locaticas around IMINS.

Three of the t ourt h quarter TLD pacLet s were left in the field.

Thus a total of 77 TID pam lets were analyzed.

1te results cf the 7tD measurements are presented in Table B-23 and are surrarized in Table 3.

All TID Ic ults 1. resented in thi tt E c.

L e e n no tic.a l i z ed t o

-nces in exposure periode a standaid..onth (30.4 days) to eliminate the Presented on Figure 3 is the plot of the crem/s n r.onth for the cont rol and indicator locat ions.

The average et second quart er or the 1378 radiation levels for all staticas was 78% hign than the average or the other three quarteis of 1978.

For the cont rol locations the second quartel resul t s were 44% high < r and for the indicator locations, 100% higher. The increased radiation levels in the second quarter are again attributed to the Chinese atmospheric nuclear test of March 14 The same increase we, observed in the TID results of three other nuclear ing stations in the nort heast e rn U.S. The average radia-tion level of.

crol locations was 7.6 mrera/st andard moath in comparison to 5.7 mrem /standa_ a month of the indicator locations.

In 19 77 the two aret ages were 6.8 mrem / standard month and-5.7 mrem / standard month, respectively, Thus the t rend continues as shown in Figure 3 of the cont rol locations averaging 20% to 30% higher than the indicator Iccations.

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The HDiP was designed end cenducted in a canner to permit identification of the radionuc !iJes actually released from the stetion Of the rad;oactive materials released from T'tI-I t o the envirom:ient,

only 11-3 in surface water showed a pot ential contribution from 1711-1.

Those samples are listed in Table 4 and were collected from dcwastream stations 9A2 and 9B1.

Thus the onb rathway o potential exposure of individuals or of c

a segment of populr-an i con iva materials from station operation is from consumption of e_,

Nt reated river water is monitored as part of the TMINS RDfP -

>:at is, Brunner Island, 8E1 and Columbia, 7G1 in the downstrea:r

.cca Water Works, 15F1 upstream. The three i

facilities use tn

.e e.utinuously for human consumption.

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A U is also rnonitored.

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- 3 ac

,s ity of 470 pCi/ liter; however, this did not exceed the statis.

riatim s cbnerved in normal envircnmental levels.

The nost conservative ap, rh o'

.alculat ing a dose would be to assume (but not valid, since there is a significent background level) that all of the 470 pCi/ liter of H-3 activit:. measured in that one case was of TMINS origin Based on the equations used in USNRC regulatory guide 1.109 (18) a potential annual dod e of 0.036, 0.025, 0.049, or 0.048 mren/ year was calculated for either an adult, teenager, child, or infant, respectively.

These doses are insignificant compared to the whole bod; dose from naturally occurring K-40 as an internal constitucnt of the body of 18 mren/ year (20),

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ISOTOPES

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lhe preoperational P :,d i o l og i ca i Env i rm ent al Moni tori ra; Pro; ram

( PI MI ) sonducted for Metrapolitan Ldi e, c.:.p a n;.

as continued as the op-e rat i ona l progr.ua af t ec 'lM1 - 1 initial criticality on.hme 5, 19~4 and as a preoperational p rog, raa for IMI-2.

t he lil MP was ilso continnea a; the operational program for TMI after initial criticality on " arch 'e, 19 3 Ihe RBIP ( f ro:

.l a nu a r y through becend-er 31, 1978), lese t ibeJ in this report was conducted according r.

the Invit a e ra a 1 Iechni ai speci'1:aticn, l' o r 1M1-1 a n d 'I M 1 - 2.

The ebiectlees af th pregram we;>

net, Mditional sampling and analyses beyond those required h the l echn i cal Spec i t'ic at i m, s were per-formed as managentut audit samples. All results therefrom were reeiewed by Met ropolit an Edi s on Compan:. to assew uil po_sible ensironmenta! pathways Although other possible dose pathways to man were considered in the envi rons of the Utit sit e, tritium in sur face water was the only radio-nuc1ide of potentla1 IMINn origir det ect e,i above background levels pot ential1) cont ribut ing to dose.

The radiation Jose to people from ambient gamma radiation, as measured by themoluminescent dosimeters, averaged 75 mrem / year and showed no evidence of a IMISb contribution during t his operational period of 'lMI-1 and TMI-2.

The radiation dose to people in the TMIN5 envi rons is co npared with the exposure f rm, ocher artificial and natur al sources in the following table:

Source of Ijposure Annual Dose in mrem / year Medical 72 (19)

Ambient Gamma (IID) 75 Radicnuclides in boa (primarily K-W) 18 (20)

Nolaal Liebal fallout

(20) 1.-3 2n surface water 0.049

I-131 in Milk 11 (Chinese Iallout) t he pos s it> 1 e cont ribution of ~IMI.M is insignificant in comparison with just one pathway associated with the Chinese fallout incident.

Even though the potential IM]-1 and 'IMI-2 cent ribut ion to po; ulation exposure is very small (approxicately 0.030 7f that f ro: other sources), TMINS has a continuing program to improve operat ing techniques and to maintain equipment directed toward reducin releases of radioactive materials to the environment.

s It can be concluded that operation of TMI-1 and Tit!-2 did not significantly alter the radiological characteristics of the 1 MINS environs.

The radionuclides and radiation levels cbserved were principally due to natural radioactivity and global fallout.

Exposure to a child (maximum individualj calculated for an annual consumption of 510 liter of drinking water with 470 pC1/ liter concentration of H-3.

Do3' to an infants thyroid (ma> imum individual 1 calculated for one month exposure at 28 pCi/ liter the maximum 1-131 concentrat icn in the milk samples.

1 3 m,o y 21

icTE.EDYNE ISOTOPES Table C-1 in Appendix C lists the analyses perforned for each sa'nple nedium, sampling method, sample size collected, the analytical procedure number from the T.I.

Procedure Manual, and abstract of each procedure.

Table C-2 in Appendix C lists the 1978 result s of the participa-tior. by Teledyne Isotopes in the EPA cross check program.

1:I~ W S 22

TTELEDYNE ISOTOPES REFERENCES (1)

Metropolitan Edison Company.

"Three Mia Island Nuclear Station -

Technical Specifications." Appendix B. DPR 50, 1974.

(2)

Radiation Management Corporation.

"Three Mile Island Nuclear Genera-ting Station - Preoperational Radiological Environmental Monitoring Program."

RMC-TR-75-17, 1975.

(3)

Radiation Management Corporation.

"Three Mile Island Nuclear Station -

Radiological Environmental Monitoring Program - First Ope rat i on a l Period."

RMC-TR-75-02, 1975.

(4)

Radiation Management Corporation.

"Three Mile Island Neclear Station -

1975 Semiannual Report," RMC-TP 75-02, 1975.

(5)

Radiation Management Corporation.

" Radiological Environmental Moni-toring Report for the Three Miles Island Nuclear Station 1975 Semiannual Report II, July 1 through December 31."

RMC-TR-76-01, February 1976.

(b)

Radiation Management Corporation.

" Radiological Environn' ental Moni-toring Report for the Three Mile Island Nuclear Station 1976 Annual Report, January 1 through December 31."

RMC-iR-77-01.

(7)

United States Departc.ent of the Interior-Geological Survey,

" hater Resources Data for Pennsylvania, Part 1,"

1973.

(8)

Radiation Management Corporation.

"Three Mile Island Nuclear Genera-ting Station - Agricultural Land Use Survey,"

RMC-TR-75-1.

(9) Metropolitan Edison Company, "Environn.ent al Report, Operating nse Stage - Three Mile island Nuclear Station Unit 1 and Unit 2,"

19/1.

(10)

United States Atomic Energy Commission.

" Final Environmental State-ment - Three Mile Island Nuclear Generating Station Units 1 and 2."

DOCKET N0s. 50-289 and 50-320, 19~2.

(11)

Metropolitan Edisen Cc-ty, Jersey Central Power and Light Company, Pennsylvania Electric Cuapany.

" Final Safety Analysis Report -

Three Mile Island Nuclear Station Unit 2."

Docket No.53-320, 1974.

(12) Metropolitan Edison Company, Jersey Central Power and Light Company, Pennsylvania Electric Company.

" Environmental Report Supplement II, Three Mile Islatd Nuclear Station."

Docket No. 50-320, February 1975.

(13)

Radiation Management Corporation.

" Analytical and Quality Control Program."

RMC-TM-75-3, 1975.

(14) Teledyne isotopes.

" Environmental Radiation Analysis Quality Control

tanual." IWL-0032 361, 1973.

N$ f" 23

TTELEDYNE ISOTOPES (15) Teledyne Isotopes.

" Procedures and Quality 3.asurance llandbook."

IWL-0032-365, 1975.

(16)

U.S. Environmental Protectisii Agency.

" Radiological Quality of the Environment in the United States, 1977 " EPA 520/1-77-009, September 1977.

(17) Donald T. Oakley. " Natural Radiation Exposure in the finited States."

U.S. Environmental Protection Agency, ORP/STD 72-1, June 1972.

(18) 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 10 CFR Part 50, Appendix I," October 1977.

(19)

S. E. Thompson, C. A. Burton, D. J. Quinn, and T. C. Ng. " Concentration Factors of Chemical Elements in Aquatic Organisms." UCRL-50564 (Rev. 1)

October 1972.

(20)

"The Effects on Populations of Exposure to Low Levels of ionizing Radia-tion" (BEIR REPORT).

National Academy of Sciences, 1972.

(21)

Final Supplement to the Final Environmental Statement related to operation of TMINS, Unit 2, Docket 3-id, 1976.

(22) Teledyne Isotopes. " Metropolitan Edison Company, Radiological Environmental Monitoring Report", 1977 Annual Report.

(23) Metropolitan Edison Company, "Three Mile Island Nuclear Station, Unit 2, Technical Specifications." Appendix A.

DPR 73, 1978.

IT230 24

T TELEDYNE LSOTOPES APPENDIX A 1 3 m; u.,.

o 25

TTELEDYNE ISOTOPES APPENDIX Sampling Locations Sample Identification Metropolitan Edison identifies samples by a three-part code. The first two letters are the power station identification code, in this case TM.

The next one to three letters are for the media sampled.

Green Leafy Vegetables Air Iodine FPL AI

=

Immersion Dese (TLD)

Air Particulates ID AP

=

Milk Fish M

AQF

=

Precipitation Aquatic Plants RW AQP

=

Surface Nater Sediment SW AQS

=

Fodder Crops Soil V

E

=

Milk (Goats)

Fruit MG FPF

=

The last four symbols are a location code based on direction and distance from the site. Of the last four symbols, the first two-represent each of the sixteen angular sectors of 22 degrees centered about the reactor site. Sector one is divided evenly by the north axis and the other sectors are numbered in a clockwise direction; i.e.,

2 = NNE, 3 =

NE, 4 = ENE, 5 = E, etc.

The next digit is a letter which represents the radial distance from the plant:

4-5 miles off-site On-site location E

S

=

5-10 miles nff-site 0-1 miles off-site F

A

=

10-20 m!ies off-site 1-2 miles off-site G

B

=

L.T.

20 miles off-tite 3-4 miles off-site H

D

=

The last number is the station numerical designation within each sector and zone; e.g.,

1, 2, The location portions of these codes (i.e. 151, 3A1, etc.) are shown in the attached table along with more detailed information and a map coordinate number used to designate the individual samples in the anal tical results tables, Appendix B.

1.v-<%qr>

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Map A-2 TilREl..'tII E ISLAND NUCLEAR iTXI I O',

Locaticn of Operational Radiological Environmental Monitoring Stations within 5 Miles of the Site a o - o

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,gppESDI_X B-4 I

~ ia f-s, t y

31

T TELEDYMr.

w ;oix F ISOTOPES Pata Tables a

Appendix B is a presentation of the re:>ults of the THINS Radiological Environmental Monitoring Program.

TABLE NUMP,ER TITI E PAGE MUATIC ENVIRONMENT B-1 Sampling Periods for Surface Water Samples, 1978 34 B-2 Concentrations of Gross Beta in Surface Water, 1978 38 B-3 Concentrations of Garaa Emitters in Surface Water,1978 40 B-4 Concentrations of Tritium in Surface Water, 1978 42 B-5 Concentrations of Tritium in Surface Water, 197S-41 Quarterly Composites B-6 Concentration of I-131 in Surface Water, 1978 45 B7 Concent rations ot' Sr-c" and Sr-90 in Unt reat ed Drinking 47 Water, 1978 B-8 Cencentrations of Sr-89 and Sr-90 and Camma Emitt ers 48 in Fish B-9 Concentrations of Sr-69 and Sr-90 and Gamma Emitters 49 in Sediment, 1978 A'IMJSPHERIC ENVIRONMENT B-10 Concentrations of Beta Emitters in Air Particulates, 52 1978 B-11 Concentrations of Gamma Emitters in Air Part iculates,

55 1975 B-12 Concentrations of Gamma Emitters in Quarterly Composites 57 of Air Particulates, 1978 B-13 Concentrations of Gross Alpha in Air Particulates, 1978 65 B-14 Concentrations of Sr-90 in Air Particulates, 1978 66 B-15 Concentrations of I-131 in Filtered Air, 1978 67 B-16 Concentrations of Brta Emitters in Precipitation,1978 69 B-17 Concent rations of Tritium and Gamma Emitters in Preci-70 pitation, 1978

,3 9

32

TTELEDYNE ISOTOPES TABLE NUMBER TIT LL PAGE B-18 Concentrations of Sr-89 and Sr-90 in Pvceipi-71 tation, 1978 TERRESTRIAL ENVIRONMENT B-19 Concentr. cions of I-131 in Milk, 1978 72 B-20 Concentrations of Gamma Emitt ers in Milk,1978 75 Concentrations of Sr-89 and Sr-90 in Mil.k, 1978 78 B-22 Concentrations of Ga=a Emitters and I-131 in 79 Green Leaf) Vetatables, 1978 B-23 TLD Dose Rate, 1978 80 MINIM!JM DETiiCTABLE LEVESL B-24 Typical MDLs for Gamma Spect rometry, 1978 81 B-25 Distribution of Milk Cows within Five Miles of 82 TMINS, 1978 b E$ ~I?."fB 33

METROPCLITAN EDISON COMPA.W TABLE B-1 SAMPLING TER10DS FOR SURFACE W ATER SAWLES (JULY-DECEMBER 1978)

STATION NO.

JULY AUGUST SEPTEM3ER OCTOBEP.

NOVEMBER CECDf3EF.

TM-SW-9A2 07-06 08-02 09-06 10-04 11 01 12-06 07-12 08-09 09-13 10-11 11-08 12-13 10-18 11-15 12-2C 07-19 08-16 07-26 03-23 09-27 10-25 11-22 08-30 11-29 TM-5W-951 07-06 08-02 09-06 10-04 11-01 12-06 07-12 08-09 09-13 10-11 11-08 12-13 10-18 11-15 12,20 07-19 08-16 07-26 08-23 09-27 10-25 11-22 08-30 11-29 TN-SW-1C3

07-Go 03-02 09-06 10-04 11-01 12-06 07-12 08-09 09-13 10-11 11-08 12-13 07-19 08-16 09-20 10-18 11-15 12-20 07-26 08-23 09-27 10-25 11-22 12-27 08-30 11-29 M

Management audit sarnple C

- Lost in transit pg

- - River frozen

,v g.

i "ETROPOLITAN ED! SON CotC CiY TAELE B-1 SAMPLING PER10 DOOR SL'RF ACE WATER S AMPLES (JANUARY-JLNT 1978)

STATION NO.

JANUARY FEBRUARY MAFCI ATE!L MAY J'JNE 03-01 04-Os 05-03 C6-07 04-13 05-11 06-14 TM-Sw-9 u 04-20 05-17 06-21 C3-23 04-2t 05-25 C6-29 03-30 05-31 03-01 04-05 05-03 06-07 03-0F 04 '3 05-11 06-14 TN-SW-931 01-11 04-20 05-17 0$-21 02-22 03-23 04 27 05-25 05-29 05-31 03 -3C um C3-01 24-06 05-03 05-07 TM-SW-IC3*

01-04 03-08 r4-13 05-11 06-14 01-11 03-15

)4-23 35-17 06-21 02-22 03-23 04-27 05-25 06-29 03-30 05-31 Management audit sarples Ri'er frozen N

r g b'es*

i Ja

.2d 4

u

METROPOLITAN EDISON C06ANY TABLE B-1 (cont.)

SAMPLING PERIODS ICR SURFACE WATER SO!PLES (JANUARY-JUNE 1978)

JUNE MAY APRIL MARCil FEBRUARY JANUARY 04-26 to 05-31 05-31 to 06-28 STATION NO.

03-01 to 03-29 03-29 to 04-26 12-28 to 01-22 01-2'., to 03-0:

TM-SW-8C2 02-22 to 03-29 03-29 to 04-26 04-26 to 05-31 05-31 to 06-28 12-28 to 01-26 01-26 to 02-22 TM-SW-SE1*

02-22 to 03-30 03-30 to 04-26 04-26 to 05-31 05-31 to 06-29 12-29 to 01-25 01-26 to 02-22 TM-SW-15F1 05-03 TM-Sh-7G1 04-13 05-11 01-04 01-11 04-20 05-17 06-21 01-19 06-29 04-27 03-23 05-31 Management audit s a.Tples River frozen Malfunction of automatic con: positing sampler

- " Lost in transit

.N CO t

.D 9

', V

-4

METFOPOLITAN EDISON CC ANY TABLE B-1 (cont.

SAMPLING FTRICOS FOR SURFACE WATER SAVPLCi (JULY-DECD'PER 1978)

STATION NO.

JULY AUGUST STPlINEEF OCTOBER NOVDGER DECDt? EE TE SW-3C2 06-28 to 03-02 03-02 to 08-33 03-30 to 09-7 09-27 to 11-01 11-01 to 11-29 11-29 to 12-27 TM-SW-3E1*

06-28 to 07-26 07-26 to 08-30 03-30 to 09-27 09-27 to 11-01 11-02 to 11-29 11-30 to 12 27 Di-SW-25F1 06-29 to 07-26 07-26 to 08-30 03-30 to 09-27 09-27 to 11-01 11-01 to 11-29 11-29 to 12-27 10 04 11-01 12-06 TW SW-7G1 07-06 07-12 08-09 09-13 10-!1 11-08 12-13 07-19 03-16 09-20 10-18 11-15 12-20 07-26 03-23 09-27 10-25 11-22 12-27 08-30 11.;9 M

Maragement audit samples ttalfunct ion o f automat ic cc= positing sampler S

C0 e

3%

V a

P gh

!-..o.-

. y...

,.. g..

g

METROPOLITAN EDISON COMPANY TABLE B-2 CONCENTRATIONS OF CROSS BETA IN SURFACE WATER 1978 Results in Units of pCi/E 2 sigma STATION NO.

JANUARY FEBRUARY MARCli APRIL htu JUNE 7.0 ! 1.1 1,9 !

0.'

3.0 ! 0.8 5.8 2 1.0 TM-SW-9A2 TM-SW-9B1 22 ! 3 4.3 ! 0.9 3.3 ! 3.8 2.9 ! 0.8 3.8 2 0.8 4.7 ! 0.9 711-S W-1C 3

4.9 ! 1.6 5.0 ! 1.0 13 ! 1 3.5 0.9 4.0 0.8 2.1 ! 0.7 TM-SW-8E1*

< 1.2 1.3 ! 0.7 2.0 ! 1.3 1.

1.

< 2.

TM-SW-15F1 3.6 0.9 5.4 1 1.0 5.3 ! 1.5 2.1 ! 0.7 5.5 ! 0.9 2.0 0.8 1.61 0.9 3.4 ! 0.8 2.4 2 0.8 5.4 ! 1.1 111-SW-7G 1 5.0 ! 1.6 TM-SW-8C2 4.3 ! O.9 4.6 2 0.9

.i. 7 ! 0.8 1.6 t 0.8 2.3 0.7

< 2.

Management audit samples No samples collected due to ice No samples collected due to malfunction of equipment l-4 CJ t

,a

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q'

y 0

9 9

1 9

0 9

R E

1 0

0 1

0

?

1 1

1 t

2 2

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1 1

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9 0

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4 3

3 2

3 4

0 9

9 9

9 R

E 1

0 1

0 0

3 f

1 2

1 D,

4 9

7 4

6 0

7 N

2 3

a 3

3 3

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9 1

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0 9

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1 C

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2 2

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6 8

9 6

5 7

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9 0

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1 1

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1 0

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4 1

1 3

3 y

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s.

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s A

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R TN E

C NO C

2 1

2 3

2 0

1 1

1 2

1 1

Ts 1

t 2

U G

4 3

9 9

7 5

U A

5 3

5 4

4 2

6 6

6 9

9 5

3 1

1 1

0 0

1 1

t 1

1 1

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L 4

2 7

0 9

S 8

lp

~

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J 4

5 4

3 2

3 S

s E

P O

du i

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I ne E

m N

eg Y

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1 D

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3 1

F 1

n

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=

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A 3

C E

3 C

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9 1

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S S

5 S

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f M

t A

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D B p

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T W.

METRCPCLITAN EDIICN COMi'ANY TABLE 3-3 CONCENTRATIONS OF CARM EMITTERS IN SURFACE WATER 1978 Results in Units of pCi/R t 2 sig :a N'UC.;I D E STATION NO.

E 0 lND JAN'JARY FEBRUARY S'.\\ R C H APRIL MAY JU?:E

< MDL

<FDL

< FOL ni-Sw - 9 A 2 Bi-SW 'J B1

< 3C L

< 5'L L

< 5'DL

< MDL

< ?CL B1-Sh-1C3*

< MDL

< 3D L

<'"L

< FDL

< MDL Bf-Sh-3E1*

< MDL

< 3DL

<FDL

< MDL

< MDL Dt-Sa-15F1

< SO L

< trL

< FDL

< MDL

< FD L

< MDL 5DL 12 1

MDL Bf-SW 7G1 CS-137

< MDL

< FD L t'r L

< ?'D L

< 'O L

< MDL DI-Sh-SC:

<3DL

< BEL

<'OL uo Mana;cment audit sample <

No sar:'les collectea due to ice.

No su ples collected due to r.alfurction of equip ent.

't

V

$te

R E

I E

B J

M L

L L

C ID D

D D

C T M

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<- 4 E

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D D

D D.

D D

V M

M M

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8 E

7 B

L L

L 9

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0 0

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1 0

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0 0

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TTA FrF(NE ISOTOPES IL"TROPOLITAN EDISON C04PMiY TABLE B -4 CCNCENTRATIONS OF TRITILN IN SUPJACE WATER 1978 Results in Units of pCi/t t 2 sigma ETATION NO.

JULY AUGUST SEPTEMBER OCTOBE R NC.'DG E R DECD'2 ER TM-SW-9A2 800 2 100 830 t 90 210 i 70 500 2 120 560 2 90 5:00 t 320**

TM-SW-9BI 220 ! 80 230 2 60 280 ! 60 290 2 90 520 2 30 5430 ! 320**

TM-SW-1C3' 180 2 60 340 t 80 100 t 60 100 ? 80 310 t to 150 2 90 TN-SW-8 E1*

100 ! 70 210 2 70 300 1100 310 t 90 lio 1 70 290 2 140 TN-S W - 15 F 1 190 f,0 130 i 60 170 ! 70 140 2 80 140 2 90 230 2 100 TM-SW-7G1 260 t 80 180 2 80 220 1 70 130 t 90 320 t 90 470 1 100 T t-SW-8C2 230 t 70 120 60 100 70 240 i 90 300 t 70 190 ! 100 s

ve Management audit sample 10 x background station (SW-15F1).10 day nonroutine report sent to NRC for 4th quarter tritium results.

M CJ t

s 0

0 t

0 8

8 0

4 l

E 0

2 6

6 2

4 3

u G

5 5

1 1

1 2

1 s

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R

+

r E

5 0

0 5

3 7

8 V

6 5

1 4

7 9

1 m

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1 8

7 1

2 2

u i

t ir t

0 0

0 r

C 9

9 3

3 0

8 8

e E

1 1

1 t

D r

+

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0 0

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2 6

8 3

2 5

q 1

1 9

9 2

4 1

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f 9

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2 5

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A

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METROPOLITAN EDISCN COMPANY TABLE B -6 CONCEhTRATION OF I-131 IN SURFACE WATER 1978 Results in Units of pCi/t i 2 sigma STATION NO.

JANUARY FEBRUARY MARCH APRIL MAY JUNE

< 0.40

< 0.30

< 0. 70" *

< 0. 8 0 * "

iM-SW-7Gl'

< 0.20 0.20

< 0.20

< 0.20 TM-SW-8C2

< 0.22

< 0.21 TN-S W - 8 E 1* *

< 0.11

< 0.21 0.26 2 0.14

< 0.20

< 0.30

< 0.20 TN-SW-15F1

< 0.07

< 0.20

< 0.10 ~

< 0.30

< 0.80*"*

i No sample cc11ected Management' audit sample Last weekly sample (05/25) was lost in transit. Analysis of remeJnder of month corrected for radioactive decay to 05/17, thus the lapse time was long, and thus the sensitivity was low.

" Samples received on 07/13 and 07/14, thus long lapse time, and thus the sensitivity was low.

N..

kard i

a 3.a.

TTELEDYNE ISOTOPES METRcr0LITAN EDISON CN4 ANY TABLE B -6 (centinued)

CONCENTRATION CF I-131 IN SL7 FACE HATER 1978 Results in Units of pCi/t 2 2 sig-a STATION NJ.

JULY AUGUST SEPTD6FR CCTOBER NOVEM2ER L ECD'? ER TM-SW-7G1

< 0.40

< 0.30

< 0.40

< 0.30 TM-SW-SC2

< 0.30

< 0.40

< 0.20

< 0.30

< 0.30 Di-SW-8E1*

< 0.70**

< 0.60***

< 0.30

< C.30 0.30 0.30 0.30

".20 TM-Sh-15F1

< 0.50

< 0.40 s

=

Mana g et:ent audit sample Sample inadvertently emitted from snaly sis until late August.

- - Sa.ple had low chemical yield.

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7 7

7 8

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9 9 9 9 0 0

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0 0 C 0 O

0 0 0 0

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8 8 8 S

8 8

S 8

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S 3

S 8 S 8 7

7 7

7 T

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1 5

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7 7

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9 9 9 9 0 0 0 0 1

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?

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1 1

A QC O's y %

METn0PO:.1 TAN FD150N CCW AW TAPEE R-10 (centinued)

CONCENTRATIONS CF BETA EY:TTTRS IN AIR I ARTIC'JEATES 1978

-3 3

Results in Un t s o f 10 p2i/m~ ! 2 sigma DATE DATE Df-AP-ISO Bt-AP-5AI Bt-AP-12P1 Di-AP-IC' D'- AP ?C1 D4-AP 7F1 D'- AP-9C I TV - iP - 15 CI A\\TPdCE START STCP 3

40 t 4 38 2 4 14 2 3 27 1 20 11-29-78 12-06-78 28 ! a 18 3

2S ! 6 21 2 4 37 ! 4 92 3

't 2

23 1 4 43 ! 4 19 2 3 25 t 28 12-06-73 12-13-78 39 ! 4 19

+

3 33 ! 4 12 1 3 10 1 2 3D t 4 37 ! 4 35 ! 4 26 2 20 12-13-73 12-20-7S 21 2 3 29 40 4

35 t 4 23 ! 4 13 e 4 49 2 6 41 2 4 48 2 4 36 2 26 12-20-7S 12-27-73 Sampling equipment increrative.

Sample was collected f rem 07-19 to 08-02.

Activity is reported en 07-19 to 07-26 period.

Flo.' meter incperative. Total beta activity = 4.0 t 0.8 pCi.

Flow meter ineperative. Total beta activity - 13 t 1 pci.

u, u

,M

%v 4

^

(*%

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8 8

5 8

2 5

S 4

7 7

7L0 L2LCLt2 L 8 L0 a3LL0tL3 1 o9

- D+T+"D T'

- D DT y

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r, "

3 t 2

+

+ 5 S

+

+ 3 +

6C2

+

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< 4 5

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2 1

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7 5LLL3L9LL2L 700LLL00L O

!' O d0 O+d

. + e' C !

?D T-7 o1

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+

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+ ? +

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7 01 4 8 3 6 4 7 01 4 h

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Hi n3O' me

METROPOLITAN EDISON COMPANY TABLE 11-12 (continued)

CG?:CENTRATIONS OF GAMMA EMITTERS IN QUARTERLY COMPOSITES OF AIR PARTICULATES 1978 Result s in Unit s of 10 's pCi/m ! 2 signa STATION NO. TM-AP-7F1 12-28-77 03-30 7S 06-29-78 09-27-78 to to-to to NUCLIDE 03-30-78 06-29-7S 09-27-78 12-27 78 BE-7 24 1 11 4.' 2 11 31 2 o 32 2 5 ZR-95 2.7+ 1.3 2.32 1.2 0.~

0.5

< 1

< 0. t.

RU-103 9.91 1.9 2

g O

RL-106

< 10 10

<4

.)

CS-137 1.310.0

. 91 (

0.97!0.32

< 0. t>

2 BA-140

< 20

<9

< 1

< a.6

< 3 CE-141 4.0!1.6 2

CE-144 7.924.0 13 1 5 4.1 f2.0 1.a b w' i

o

.~,

d m

g W

6 8

8 7

7 2

4 4

7 o7 4

4 2 t 2 0

0 3

0 1

9 2

0 1

7 4

8 8

Y 7

7 u

L 7

R a

9 o7 9

E m

2 t2 0

T g

0 1

6 3

1 1

3 R

i 6

9 3

A 8

s 0

0 3

1 U

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METROPOLITAN EDISON COMPANY 1AblE B-18 CONCENTRA1:ONS OF SR-89 and SR-90 IN PRECIPITATION 1978 Results in Units of pCi/t ! sigma i 2 signa START ST01' SR-80 SR-90 STAliON NO.

DATE DATE

~

Tm-RW-5A1 12-28-77 06-29-78

<3 1.4!0.3 06-29-78 12-27-78

<1

< 0.4 TM-RW-8C1 12-23-77 06-29-78 2.6!1.5 0.8520.26 06-29-78 12-27-78

<2

< 0. 5 U

TM-RW-7F1 12-29-77 06-29-7E 2.711.7 2.3 10.4 06-29-78 12-27-78

<2 0.3510.23 TM-RW-15G1 12-28-78 06-29-78

<4 1,; 10.3 06-29-73 12-27-78

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YETR^PC LITAN EDISON COMPANY TABLE B-19(centinued)

CONENiMT:nNS CF I-131 !

"ILF 1978 Results in l' nit s cf p Ci/ t 2 sigma STATION NO.

09-:0 10-04 10-18 11-0S 1.'- 0 6 0.20

< 0.30

< 0.20

< 0.30 TM-M-4B1

< 0.40 TM-M-5B1

< 0.30

< 0.50

< 0.20 0.30

< 0.30

< 0.40

< 0.:0 TM-M-7B3

< 0.30 0.30

< 0.30 TM-M-14C1

< 0.20

< 0.50

< 0.30 TM-M-2G1

< 0.30

< 0.20

< C.20

< 0.30

< 0.20 C.in

< 0.30

< 0.^0 0.20 TM-MG-151

< 0.40 y

u Results corrected for decay to the collection date Station went cut of business p2h

< s bV i

'sd

%)

O

NETROPOLITAN EDISCN CDMFANY TABLE B-19(cc9 tinted)

CONCD;TRATICNS CF 1-131 IN MILK 1978 Pesults'in Units of P i/t

2 sigma C

09-06 CS-16 09-02 07-19 07-05 STATION NO.

< 0.30

< 0.30**

< 0.30

< 0.33 TM-M 4B1

< 0.30

< 0.40

< 0.30**

< 0.40 0.20 TM-M-5B1

< 0.30

< 0.20

< 0.40

< 0.50 TM-M-7E3

< 0.20

< 0.40

< 0.30

< 0.30 TM-M-14C1

< 0.20

< 0.30

< 0.40

< 0.30 TM-M-:C1

< 0.20

< 0.:0

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< 0.40

< 0.40 TM-MG-181 Results corrected for decay to the collection date Collectien date 03-23 Sample lost in transit M

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CC'CE C RATICNS OF C N W I N D geruits ;r ' nits of TCi/i 2 s1Fra O' ' 19 03-C2 07-05 STATICN NO.

Nuclide 12301 150 lo'0* 150' 964t ico

. 1$n

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1660* 170 11501 220

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149 1c60: 130 10101 140 33#*..se

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TM-M-2G1 E-40 22 ?

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t' Cs-137

' 4, g. 149 13702 140**

1520! 300 3 g' - n. $nn 17:02 l'O

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TM_M-1B1 I,'.

Cs-137 Collection date 09-23 Sample Ics in transit

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TABLE C-1 (con't)
Sample Procedure Sample Sarpling Size Manual Procedure Analysis Mediu9 Method Collected Nurber Abstract
.-131 M,5W grab r, ample for M 8 liters 032-11 anion-exchange, and according to solvent extraction, sampling site, palladium iodide various ccipositing precipitate, low levt frequencies gas flow counting Sr-89,90 AP quart erly composite of 13 weeks 032-24 Strontium in sarple week'y, continuous air of filters per (with carrier) is sampling through sa.mpitrg precipitated as SrNO filter paper site (s 3600 Cu.M.)
mcunt, Sr-90 inferre from Y-90 on yttrium oxalate mount, low level gas flew countirg AQF grab s1.mple 2kg 032-23 similar AQS grab sample 2 kg 032-24 similar RN,5W according to sampling 4 liters 032-16 similar u
site, varicus compositing frequencies M
grab sample S liters 032-IS oxalate precipitatic of TCA filt rate, barium and iren s t avenr.e, 7 day
.cr:un ingrowth,Sr-en yt t rium exalat e nount, low level gas fic* counting TLD ID quarterly exposure TLD 342-17 T h e rr.olumin s c ent dosimetry N
e.
%w I
,M
"prTFl firrn!E ISOlOPES l ab t.- 02 EPA CRO%-O H ( 1: l'ROGU M 1 Collettion TelcJyne I s ot e;1e s E P.\\
S:c:.p l e T m e Date Nuc 1 i <!.
Result > (al Result (b) th ll.
colc r 4,
~~19i, Sr-M 7.5 ! 0.~~
15 ! 5 o,
Sr -90 14 1 2 20 t 1.5 E-131 117 1 3 143 1 Cs-137 44 1 2 39 i 5 K
1590 1147 1540 177 hater D e o-
!cr 2, 19.~
Cr-51 I.T.
1.00 0
Co-hu EO ! 13 74 1 5 Zn-or 199 1 19 192 1 10 Ru-loo 109 1 2 145 1 7 C s - 11.4 43 1 9 45 1 5
s-137 51 2 S 46 ! 5 Uiine De s c

'.be r 9, l i' R li-a 2050 3 15 1710 1 340
+
Water Im! 5 -r 16, I t4 77 Ra-22n 0 4 0.4 10.2 t 1.5 lb -2 2h (c) 14.6 1 2.2 Air 1:llter
-b
~~5, IT ~~~
(>>
2 33 2
40 t 10
+
Gi -
140 7
117 1 6 Sr <m 23 4
2 25 1 1.5 Cs-lae 0
67 1 5
+
hater J a na.n ' 13, 197S
. - 8 '.)
2S t 2 25 1 5 Sr-90 J5 2 '
31 ! 1.6 hater lib ru a r; 10, 19 /c Cr 51
~~1.. T. 90 0~~
Co-60 47 1 9 34 1 5 Zn-05 31 5
29 ! 5 Ru - 10t>
~~1. T 70 36 1 5 Cs-131 53 i S 52 1 5 Cs-137~~
~~1.. i. 7 0~~
Note l'a i t s c or w a t e r, c.i ll, m! u r i ni.
an pCi/l except for E in ailk bhich is : i' f' t.
Units 1or aii l' i l t s r., a re t ot ;il pt:i.
(a)
Teledynr Isotcpes' results ;u t t!m average of ur,uall) th ree r.- e a s u r e r nts ! a ene stand.ird deviation.
(b) 1 l' A c r i o r a ', s i );ned not ed a:. " cont rol limit" - 1 sima.
(c)
Not ana ly : ml.
' 2DY,*
so
T TELEDYNE ISOTOPES Table C-2 EPA CROSS-CllECK PROGILO!
Collection Tcledyne Istepes EPA Sample __ Type
_Date Nuclide Results(a)
Resul Urine March 11-3 1390 200 1050 i Water March 10, !978 Ra-226 4.4 1 0.5 5.5 i '
Ra-228 10.8 (c) 16.7 i Air Filter March 24, 1978 Gr-a 11.7 1 1.2 11.
Gr-S 40.7 i 1.5 38.
Sr-90 5.7 i 0.2 8.
Cs-137 25.7 ! 2.0 22.
Water April 7, 1978 Cr-51 L.T.
90 0
Co-60 55.3 6.0 49.
Zn-65 58.0 5.3 59.
5 Ru-106 82.3 77.9 113 6
Cs-134 72.0 6.1 74.
15 Cs-137 L.T.
5.
O Milk April 28, 1978 Sr-89 80.
8.5(d) 101.
!5 Sr-90
~~8. 7 1.4(d) 9.~~
1 1-131 71.7 0.6 82.
!5 Cs-137 23.0 1 1.7 23.
15 Ba-140 L.T.
8.
0 K
1420 150 1500
!22 Note:
Units for water,.. ilk, and urine are pCi/1 except for K in milk which is mg/1.
Units for air filters are total pCi.
(a) Teledyne 1sotopes' results are the mean average of usually three measurements 1 a one standard deviation.
(b)
EPA error assigned noted as " control limit" - 1 sigma.
(c)
One measurement (d) 'Two measurements li3 ~ '!!'ll 87
iable C-2
'i?TEl r ry/ N r r_ rA (.L o - m n icoca,m ISO FOPES Collection Teledyne Isot op ;
ITA c arpl e Tvge Date Nu c ! i a Fe ult: (al Result (b)
Wat er May 5, 1978 Sr-89 10.4 1 1,G 16 i 5 Sr-90 22 T ! 0.6 27 2 1.5 Urine June 9, 1978 11-3 3920 1 265 41501 415 Water June 2, 197S Cr-51 L T, 100 102 5 Co-60 22.3 1 1.2 221 5 Zn-65
'6.5 ! 4.0 54t 3 lui-100 L.T.
70 58t 5 C s - 1 3 *.
23.0 1.7 22! 5 L,-la; 34.0 3.6 301 5 Water J une 16, 1978 Ra-220 3.9 1 0.1 3.71 0.6 Ra-2 S 4.4 1.3 5.61 0.8 Air Filter June 23, 19;5 Gr-a S.7 1 0.6 10 1 5 Gr-
%.72 0.6 36 1 5 c, r - 9 0 9.0 t 0.0 9! 1.5 Cs-137 16.7 1 3.8 18 5
Note:
Units fo: w a t e r, ra i l k, and urine are pCi/s. except for K in nilk which is '..g/t, Units for air filte:' are total pCi, (a)
Teledyne Isotopes' results are the 'nean average of usually three reasurements 1 a one standard deviation (b)
EPA error assigned noted as " cent rol linit" - 1 signa.
'$7Q ss
TTELEDYNE ISOTOPES Table C-2 EPA CROSS-CllECK PROGRAM Collection Tcledyne Isotopes EPA Sample Type Date Nuclide Results (a)
Result (b)
Milk July 21, 1978 5r-89 26 ! 4
~~41. ! 5.~~
Sr-90 39 2
49 3
1-131 L.T.
1.
0.00 Cs-137 53 1 1 53 ! 5.
K-40 15461 112 1560 234 Ba-140 L.T.
7.
0.0 Water August 4, 1978 Cr-51 L.T. 100 105.
5.
Co-60 27.7 2.9 27.! 5.
Zn-6S 63.3112.5 62.
5.
Ru-106 L.T. 60 41.1 5.
Cs-134 11.0 1.0 9.
5.
Cs-137 18.7! 1.5 15.3 5.
Note:
Units for water, milk, and urine are pCi/t except tor K in milk
~
which is mg/t.
Units for air filters are total pCi.
(a)
Teledyne 1sotopes' results are the mean average of usually three measurements ! a one standard deviation.
(b)
EPA crror assigned noted as " control limit" - 1 sigua.
jl3 ~ '?9b r
89
Table c-2
' W DEDYNF ISUlOPES i_i a n;ess-aiin i.n o n R x :
Collection Teledyne I sot e;,es IIPA Samole y e Date Nuclide Re alts (a)
Result (b)
Water Sept.
I, 1978 Sr-89 11.7 f 2.1
~~19. ! 5.~~
~~2.0~~
~~16. 1 1.5 Sr-90 13.n~~
+
Water Sept.
8, 1976 Ra-226 0
U.15 6.8 1 1.0 Ra-228 11.01 0.3 20.81 3.1 Urine Sept. 22,
'S 11 - 3 14471 196 11201 327 Water Sept. 22, 1976 Gr-3 2.3 0.6 5.
! 5.
Gr-s
~~12. t 0.0 10.~~
1 5.
Water Oct. 20, 197S Cr-51 121.2 19 0 117. t 6.
Co-60 25.71 1.5 23.
5.
2n-05 82.0! 1.7 82.
5.
Ilu-100
~~1.. T. 60~~
~~46. t 5.~~
Water Oct. 27, 1978 Ra-226 7.0 1 0.3 5.0 1 0.8 G r-a 10 1 0.75 19.
! 5.
G r - F.
39 2 2.
34.
5.
S r-89 S.9 t 2.4 10.
! 5.
Sr-90 4.9 1 0.9 5.
t 1.5 Cs-13'
~~12. ! 3.~~
25.
1 5.
Cs-137 17 1 3.3 13.
t 5.
Ra-228 1,T, 40 5.4 ! 0.8 pCi/r except for K in milk Not e:
th:i t. for water, ilk, and urine are which ir ng/t.
Units for air filter. are total pCi.
(a) Tcledvne Isotopes' n ault s are the :.can average of usually three measu: e nen t : 1 a one standard deviation (b)
ITA error assigned noted as " control limit" - 1 sigma.
.d' nob 90
'i?TEl ED'/NE ISOTOPES EPA Cross-allu: PnocR/W Collection Teledyne Isot opes EPA Sample Type Date Nuclide Re su l t s_(jQ Result (h)
Water Nov 17, 1978 G r-a 3.0 0.0
~~11. 1 5.~~
Gr-S 26.71 0.6 26.
5.
Urine Dec 15, 1978 11 - 3 22802 200 2150+ 338 Kater Dec 22, 1978 Ra-226 7.5 1 0.8 9.2 1 1:
Ra-228 8.3 i 1.6 8.9 1 1.3 Note: Units for water, milk, and urine are I Ci/i except fo r 1: in milk which is ag/t.
Units for air filt ers are total pCi.
(a) TelcJyne Isotopes' results are the mcan average of usually three measurenents t a one standard deviation.
(b)
EPA error assigned noted as " control limit" -1 signa.
I3*
91

L-5590-443, Radiological Environ Monitoring Rept,1978

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