ML20198B632

Preoperational Radiological Environ Monitoring Program Rept,820101 - 841221

ML20198B632
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Site:	Limerick
Issue date:	12/21/1984
From:	RADIATION MANAGEMENT CORP. (RMC), TELEDYNE ISOTOPES
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DOCKET NO.: 50-352 50-353 i

l LIMERICK GENERATING STATION Units 1 and 2 Preoperational Radiological Environmental Monitoring Program Report 1 January 1982 through 21 December 1984 Prepared fOr PHILADELPHIA ELECTRIC COMPANY 2301 Market Street Philadelphia, Pennsylvania 19101 By TELEDYNEIS0 TOPES 50 Van Buren Avenue Westwood NJ 07675 Ard f RAD ATION MANAGEMENT CORPORATION Frds Lock Road. R O 1 Pcmtown FA 19464 8511070120 051030 PDR ADOCK 05000352

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Docket No 50-352 50-353 Limerick Generating Station Units 1 and 2 Preoperational Radiological Environmental Monitoring Program Report 1 January 1982 through 21 December 1984 Prepared for Philadelphia Electric Company 2301 Market Street Philadelphia, Pennsylvania 19101 By TELEDYNE ISOTOPES 50 Van Buren Avenue Westwood, NJ 07675 And Radiation Management Corporation Fricks Lock Road, R.D. 1 Pottstown, PA ~19464 July 1985

TABLE OF CONTENTS Page I. Summary and Conclusions ............................. 1 II. Introduction ........................................ 3 A. Objectives ...................................... 4 B. Implementation .................................. 4 III. Program Description ................................. 5 A. Sample Collection ............................... 5 B. Data Interpretation ............................. 7 C. Program History ................................. 8 IV. Results and Discussion ............................. 13 A. Aquatic Environment ............................ 13

1. Surface Water .............................. 13

2. Drinking Water ............................. 14

3. Fish ....................................... 15

4. Sediment ................................... 15 B. Atmospheric Environment ........................ 15

1. Airborne ................................... 15

a. Air Particulates ....................... 15

b. Airborne Iodine ........................ 16 t

2. Terrestrial ................................ 17

a. Milk ................................... 17 3

b. Well Water ............................. 17 4 c. Vegetation ............................. 17 f

d. Game ................................... 18 C. Ambient Gamma Radiation ........................ 18 V. References ......................................... 19

Appendix A - Radiological Environmental Monitoring Report Summary Appendix B - Sample Designation and Locations Appendix C - Data Tables 4 Appendix D - Synopsis of Analytical procedures Appendix E - Quality Control

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SUMMARY

AND CONCLUSIONS

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I. Summary and Conclusions This report on the preoperational Radiological Environmental Monitoring program conducted at the Limerick Generating Station for philadelphia Electric Company covers the period January 1, 1982 through December 21, 1984. During that time period. 6321 analyses were performed on 4858 samples.

Surface and drinking (potable) water samples were analy=ed for concentrations of gross beta (soluble and insoluble fractions),

tritium, and gamma emitting nuclides. Concentrations detected in both indicator and control locations were consistent with each other.

High sensitivity I-131 analyses were performed on weekly air samples. All results were less than the minimium detectable level.

1 Air particulate samples were analy=ed for concentrations of gross r beta and gamma emitting nuclides. Results of samples collected from

} indicator and control locations showed slight but statistically 4 significant differences.

1 Environmental ambient gamma radiation measurements were made monthly using thermoluminescent dosimeters. Site boundary locations showed lower ambient gamma radiation levels than distant locations.

A variety of radionuclides, both naturally occurring and man-made, were detected in the environs of Limerick Generating Station at levels

.j' expected for that environment. The detection of these indicated that the Limerick REMp was sensitive to radiological fluctuation in the environment around the Limerick Generating Station.

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INTRODUCTION I

l LIMERICK GENERATING STATION Preoperational Radiological Environmental Monitoring Program l

II. Introduction The Limerick Generating Station (LGS), consisting of two 1055 MWe boiling water reactors owned and operated by Philadelphia Electric Company (PECo), is located adjacent to the Schuylkill River in Montgomery County, Pennsylvania. The site is located in Piedmont countryside, transversed by numerous valleys containing small tributaries which feed into the Schuylkill River. On the eastern river bank elesation rises from approximately 110 to 300 feet mean sea level (MSL). On the western river bank elevation rises approximately 50 feet MSL to the western site boundary.

] A Radiological Environmental Monitoring Program (REMP) for LGS was initiated in 1971. Review of the 1971 through 1977 REMP data resulted in the modification of the program to comply with changes in the Environmental Report Operating License Stage (EROL)(13 and the current l revision of the Branch Technical Position Paper.(28 The time period from January 1, 1982 through December 31, 1984 has been divided into the preoperational and the operational period. The preoperational period, discussed in this report, covers the time prior to Unit 1 nchievJng initial criticality. The Regional Radiological Er'riro.9 mental Monitoring Program Report 838, published previously, discussed the period the 1984 after Unit 1 reached initial criticality. For comparison purposes the preoperational period's i'

locations have been designated as " control" and " indicator" to correspond to the operational program. Statistical analyses of the preoperational data from control and indicator locations were preformed to identify any statistical differences prior to the plant's initial operation.

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3 A. Objectives The objectives of the Preoperational Radiological Environmental Monitoring Program are:

1. To provide data on measurable levels of radiation and radioactive materials in the site environs.

2. To establish the baseline radiological data necessary to support the operational p r o g r a m's e v a l u a t i o n o f t h e relationship between quantities of radioactive material released from the plant and resultant radiation doses to individuals from principal pathways of exposure.

B. Implementation Implementation of the stated objectives was accomplished by identifying significant exposure pathways, and continuously monitoring those media prior to plant operation.

In order to achieve the stated objectives, the preoperational program included the following analyses on samples collected:

1. Concentrations of tritium in surface water, drinking (potable) water, and well water.

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2. Concentrations of beta emitters in surface water, drinking (potable) water, and air particulates.

3. Concentrations of gamma emitters in surface, drinking (potable), well water, air particulates, milk, vegetation, game, fish, and sediment.

4. Concentrations of I-131 in air and milk.

5. Ambient gamma radiation levels at various site environs.

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PROGRAM DESCRIPTION

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III. program Description A. Sample Collection This section describes the collection methods used to obtain environmental samples for the LGS REMp during the preoperational period.

Aountic Environment The aquatic environment was examined by analycing samples of surface water, drinking water, fish, and sediment. Two gallon water samples were collected monthly from five surface water locations (10F2, 15F5, 16B2, 24S1, and 2452) and five drinking water locations (13H2, 15F4, 15F7, 16C2, and 28F3). The collection methods used throughout the preoperational period are described in the program History,Section III.C. Control locations were 10F2, 24S1, and 2452 for surface water and 28F3 for drinking water. All containers used were new unused plastic bottles, which were rinsed at least twice with source water prior to collection. Fish samples comprising the flesh of two groups, catfish / bullhead (bottom feeder) and sunfish (predator), were collected semi-annually at threc locations: 16CS and 20S1 (indicators) and 29C1 (control). Sediment samples composed of recently deposited substrate were collected at three locations semi-annually: 16B2 and 16C4, (indicators) and 33A2 (control).

Atmospheric Environment The atmospheric environment was examined by analycing samples of air particulates, airborne iodine, milk, well water, vegetation and game.

Air particulate samples were collected weekly from seventeen locations (2B1, 6C1, 9C1, 1053, 1151, 13C1, 13H4, 1451, 15D1, 1781, 20DI, 22G1, 26B1, 29B1, 31D1, 34S2, and 35B1). Airborne iodine samples were collected from eight locations (10S3, 1151, 13C1, 13H4, 14S1, 22G1, 31D1, and 35B1) and analy=ed for concentrations of I-131. Control locations were 13H4 and 22G1. Air particulate and airborne iodine samples ' we re obtained using a vacuum sampler, glass fiber and charcoal filters, respectively. The filters were replaced weekly and sent to the laboratory for analysis. The vacuum samplers were run continuously at approximately 1 cubic foot per minute.

2 Milk samples were collected at fourteen locations (36E1, 5C1, 9E1, 9G1, 10B1, 10C1, 11DI, 11E1, 17C2, 17D1, 18C1, 21B1, 22F1, and 25B1). The collection frequency, as well as the dates when farms were discontinued or added to the program are described in the program History,

Section III.C. Locations 9G1 and 22F1 were controls.

Samples were collected in new unused two gallon plastic 5-

1 bottles at each location, refrigerated, and shipped promptly to the laboratory. No preservative was added.

4 Well water samples were collected semi-annually fror* two I locations 11S1 (indicator) and 18A1 (control) in new unused two gallon plastic bottles. Vegetation samples I composed of broad leafy vegetation and root crops were collected from one location (1151). During the c preoperational period, the collection frequency was

changed. A description of the changes is found in the Program History,Section III.C. A game sample was 1 collected annually from one location (26SS) by hunting.

Ambient Gamma Radiation Direct radiation measurements j uere made using thermoluminescent dosimeters (TLD) i consisting of calcium sulfate (CaSO4) doped with Thalium (Tm). The TLD locations were placed on and around the LGS site using a "three ring concept" consisting of A site boundary ring consisting of sixteen locations (36S1, 3S1, SS1, 751, 1053, 1151, 1451, 1652, 18S1, 2151, 2352, 2551, 26S3, 2951, 3251 and 3452) near and j uithin the site perimeter representing fencepost doses (i.e., at locations where the doses will be greater than maximum annual off-site doses) from LGS releases; I  ;

j A middle ring consisting of twenty seven locations (2B1,

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2Et, 4E1, 6C1, 7E1, 9C1, 10E1, 10r3, 13C1, 13E1, 15D1, l

16r1, 17B1, 19DI, 20D1, 20r1, 24D1, 25D1, 26B1, 28D2, 4

29B1, 29E1, 31D1, 31D2, 34E1, 3581 and 35r1) extending

! to approximately 5 miles from the site designed to measure possible exposures to close-in populations And an outer ring consisting of five locations (5H1,

! 13H3, 18G1, 22G1 and 32G1) extending from approximately i

12 to 30 miles from the site and considered to be unaffected by LGS releases. All forty-eight TLD locations were not in operation at the beginning of the

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preoperational period. The dates when additional TLD j locations were added are found in the Program History, 4

Section III.C.

The specific TLD locations were determined by the l following criteria:

1. The presence of relatively dense populations 1

i 2. Site meteorological data '.ek'.pg into account i distance and elevation for each of the 16 22-1/2 degree sectors around the site, where estimated annual dose from LGS, if any, would be most significants i

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3. On hills free from local obstructions and within sight of the vents (where practical);

4. And near the closest dwelling to the vents in the prevailing downwind direction.

One TLD set - comprising four thermoluminescent dosimeters sealed in plastic to maintain integrity - uas placed at each location in a pVC conduit located approximately three feet above ground level. The TLD set was exchanged monthly and sent to the laboratory for analysis.

B. Data Interpretation The radioanalytical and direct radiation data included in this report will be used as a baseline with which operational data may be compared. Several factors are important in the interpretation of the data. These factors are discussed here to avoid undue repetition in the discussion of the results.

The minimum detectable level (MDL) was defined as the two sigma counting statistic. It represents the range of values into which 95% of repeated counts of the same aliquot would fall. For all analyses (gross beta, I-131, 11 - 3 and gamma) an activity that was greater than or equal to the MDL was reported as " activity plus/minus the MDL value". For nongamma analyses (gross beta, I-131 and H-3) when an activity was less than the MDL, the result was reported as the "< the MDL value". When an activity from a gamma isotopic analysis was less than the MDL value it was reported as "< MDL" for the specific nuclide searched for unless a positive occurrence had been found in other samples. In those cases che actual MDL values were listed.

The lower limit of detection (LLD) uns defined as the smallest concentration of radioactive material in a sample that would yield a net count (above background) that would be detected with only a 5% probability of falsely concluding that a blank observation represents a "real" signal. The LLD was intended as a before the fact estimate of a system (including instrumentation, procedure and sample type) a r.d not as an after the fact criteria for the presence of activity. All analyses were designed to achieve the required LGS detection capabilities for environmental sample analysis. For a more detailed description of the results calculation, see Appendix D.

Results for each type of sample were grouped according to the analyses performed. Means and standard deviations of these results were calculated. These standard deviations represent the variability of measured results for different samples rather than single analysis uncertainty. For these calculations, all results below the MDL were considered to be at the MDL. As a result, the means were biased high, and the standard deviations were generally biased low.

C. program History Radiation Management Corporation (RMC) was responsible for collection of all REMp samples with the exception of air particulate and air iodine samples from location 13H4, which was collected by PECo. For the time period 1 January 1982 through 30 June 1983, RMC was also responsible for the analysis and reporting of results for all REMP samples. Due to the acquisition of the RMC Laboratory facility by Teledyne Isotopes in 1983, the responsibility for the analysis and reporting of results uas transferred to TI l beginning 1 July 1983 and continued throughout the

! preoperatisaal period.

I j surface Water

! Surface water samples were collected, composited, and analy=ed in accordance wi th the sample collection program throughout the time period covered in this report. The five designated sampling locations did not change during this period.

Locations 24S1, 24S2, 16B2, and 10F2 were grab samples and 15F5 was a composite sample throughout 1982.

Collections for January through May of 1983 were comprised of grab samples from locations 24S2, 16B2, and 10F2 and composites fron locations 2451 and 15F5.

Beginning in June, 16B2 became a composite sample, leaving 2452 and 10F2 as the only grab samples.

Location 24S2 was changed to a composite sample in July, 1983. Location 10F2 remained a grab sample through February 1984. In March, the location was changed to composite samplings however, grab samples were taken in April through August, and again in November.

Samples from October and Hovember, 1984 were composited for fourth quarter tritium analysis, the results of which are included in this report.

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.i Drinkino (potable) Water Drinking water samples were collected, composited and analyzed in accordance with the sample collection program throughout the time period covered in this report.

All five drinking water sampling locations (13H2, 15F4, 15F7, 16C2, 28F3) were composite samples throughout the preoperational period.

As with surface water samples, the tritium composites for the last quarter of 1984 were comprised of October and November samples only.

Fish Fish samples were collected from three locations (16C5,

) 20S1 and 29C1) in accordance with the sample collection program throughout the preoperational period.

Sedimant Sediment samples were collected from three locations (16B2, 16C4 and 33A2) in accordance with the sample collection program throughout the preoperational period.

Air particulates The air particulate portion of the arr sampling program was started July 12, 1982, at ten locations (2B1, 6C1,

1053, 1151, 13C1, 15D1, 17B1, 2681, 29B1 and 34S2).

Seven of the seventeen locations were phased in after

the original start-up date as follows

i Locations 9C1, 1431, and 20D1 became operable on July i 26, 1982.

Locations 22G1 and 31D1 became operable on August 16, 1982.

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Location 13H4 became operable on Novew- 10,1982.

j Location 35B1 became operable on January 30, 1984.

The first monthly composite for gamma spec was comprised of samples collected from August 30, through September

! 27, 1982. The first monthly composites for locations 13H4 and 35B1 were collected in November, 1982 and February, 1984, respectively.

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Air Iodine The air iodine portion of the air sampling program was started in 1983. Location 13H4 had a start-up date of July 5, 1983.

Locations 10S3, 1151, 13C1, 14S1, 22G1 and 31D1 had a start-up date of September 5, 1983.

Location 35B1 became operable on February 6, 1984.

Milk i

In 1982, milk samples were collected for gamma spec and I-131 analysis from twelve farms on a quarterly schedule.

These farms were designated SC1, 9E1, 9G1, 10C1, 11E1, 17C2, 17DI, 18C1, 21B1, 22F1, 25B1, and 36E1. 17D1 was a goat farm. During the first half of 1983, each of the twelve farm locations was sampled in January, and again in May, representing the firstsand second quarters of the year. During August and September, each location uns sampled once.

In October, 1983, a second goat farm, 10B1 was added to the program.

Bi-weekly collections at four farms (5C1, 10B1, 10C1, 22F1) were begun in October of 1983. This change in the prt; ram was for the purpose of increasing sample collections for I-131 analysis during the grazing season, April through Hovember. Consequently, samples were taken from the four designated farms twice in October and November, but only once in December. The remaining eight farms were sampled once during all three months.

l During 1984, samples were taken from all twelve farms monthly. In addition, the four designated farms were sampled bi-weekly during the gra=ing season.

In February, 1984, farm 17D1 was discontinued and f removed from the program.

In August, 1984, farm 10C1 was discontinued and farm 11D1 was added to the program. Additionally, farm 25B1 was added at that time to the group of farms scheduled ,

for bi-weekly collection.

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Well Water

! Well water samples were collected from locations 1151 2 and 18A1 in accordance with the sample collection program throughout the time period covered in this

! report.

4 Venetation Vegetation samples were collected from location 11S1 and

analy=ed semi-annually in 1982 and 1983. In 1984, the

! program was changed to monthly collections during the growing season, considered to be May through October.

I Game

Game samples were collected from location 26S5 in i accordance with the sample collection program throughout the time period covered in this report.

Ambient Gamma Radiation The TLD program included thirty-eight sampling locations at the beginning of January, 1982. Between March and November, 1982, ten locations were added, bringing the total number to forty-eight. The same forty-eight locations remained in operation throughout the preoperational period.

In March, 1982, location 32S1 was added to the program.

In April, 1982, location 7E1 was added to the program.

j In August, 1982, locations 31D1 and 31D2 were added to the program.

In September, 1982, locations 13E1 and 3251 were added to the program.

.i In October, 1982, locations 2E1, 4E1, and 34E1 were added to the program.

In November, 1982, location 2551 was added to the i program.

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RESULTS AND DISCUSSION i s

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IV. Results and Discussion A. Aquatic Environment

1. Surface Water Samples were collected from five locations monthly (10F2, 15FS, 16B2, 24S1, and 24S2). Of these 13 cations, two (15F5 and 16B2) could be affected by Station discharge during operation. The following analyses were performed.

. Gross Beta Samples from all locations were analy=ed for concentrations of gross beta in the soluble and insoluble fractions (Tables C-I.1, C-I.2, and C-I.5, and Figures C-1 and C-2, Appendix C). Detectable activity was observed in both fractions ranging from .6 to 15 pCi/l in the soluble fraction and from l <.2 to 22 pCi/1 in the insoluble fraction. The value of 15 l pCi/l (24S1, December 1983) was due to an increase in dissolved solids at that location. The value of 22 pCi/l (16B2, April 1984) was due to sediment in the sample from j that location. A review of the insoluble data showed no 1 differences between years: however, a statistical difference (p<.05) was observed between the indicator and control groups. The indicator locations had a group mean of .73 pCi/l while the control groups mean was .55 pCi/1. The soluble data showed that the activity in 1984 was statistically higher (p<.05) then the other years. fic u e v e r , '

no differences were observed between indicator and control groups suggesting that the differences observed in the insoluble fraction were due to increased sediment in the samples from indicator locations.

Gamma Spectrometry

. Samples from all locations were analyzed for gamma emitting nuclides (Tables C-I.2, C-I.4, and C-I.6, Appendix C). All nuclides searched for were below the minimum detectable level with the exception of naturally occurring K-40 at 4

several locations over the three year period, ranging from 14 to 40 pCi/1, and one occurrence of Cs-137 (1.5 pCi/1, 2452, August, 1983).

Tritium Samples from locations 10F2, 16B2, and 2451 were analyced as quarterly composites for aqueous tritium activity (Table C- ,

I.1, C-I.3, and C-I.S. Appendix C). The data ranged from

<60 to 420 pCi/1 over the three year period. The highest activities were observed from the second half of 1983 through the end of 1984. The higher values were due to the change in analytical methods which occurred after the REMP <

was transferred to TI.

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2. Drinkinu (Potable) Water Monthly samples e taken from five locations (13H2, 15H4, 15F7, 16C2, an! 'f3). Four locations (13H2, 15F4, 15F7 and 16C2) could 2 affected by Station discharge during operation. The following analyses were performed:

Gross Beta Samples from all locations were analy=ed for concentrations of gross beta in the soluble and insoluble fractions (Tables C-II.1, C-II.3, and C-II.5, and Figures C-3 and C-4 Appendix C). The values ranged from .6 to 15 pC1/1 for the soluble fraction and from <.2 to 5.8 pCi/l for the insoluble fraction. No significant difference in activity levels was observed between indicator and controlHowever, locations both for both the soluble and insolutie fractions.

fractions of the yearly data showed statistical differences (p<.05). The year 1984 was highest (R= .56 ins: 3.67 sol) and 1982 was lowest (E = .3 ins; 2.28 sol). Reviewing the combined 1982-1984 surface and drinking water soluble gross beta data indicated that the months of September, October, November, and August, respectively, showed a statistically higher activity (p<.05) than the other months. The higher activity values for these months may be the result of increased dissolved solids during those months t.

Gamma Snectrometry Samples from all locations were analy=ed for gamma emitting nuclides (Tables C-II.2. C-II.4, and C-II.6, Appendix C).

All nuclides searched for were below the minimum detectable level, except naturally occurring K-40, which was detected on four occasions throughout 1983 and 1984. The positive K-40 was detected in samples from locations 13H2 and 15F4 and ranged from 16 to 19 pCi/1. There was also one incidence of positive Cs-137 (1.0 pCi/1) at location 13H2, June, 1983.

Tritium Samples from locations 15F4, 16C2, and 28F3 were analy=ed as quarterly composites for aqueous tritium activity (Table C-II.1, C-II.3, C-II.5, Appendix C). In 1982, no activity was observed in any of the samples analy=ed. In 1983, samples from the same threa locations were analyzed for tritium with positive activity observed ranging from 150 to 320 pCi/1.

Beginning with third quarter 1984, location 15F7 was added to those samples receiving tritium analysis. positive tritium activity was observed in all samples, ranging from 90 to 400 pC1/1.

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! 3. Fish i

Fish samples comprised of bullhead and redbreast /pumpkinseed j were collected at three locations (16C5, 20S1 and 29C1) semi-annually . The following analysis was performed:

Gamma Spectrometry The edible portion of fish samples from all three locations uns analy=ed for gamma emitting nuclides (Tables C-III.1, C-

! III.2, and C-III.3, Appendix C). The only nuclides detected were K-40 and Cs-137. Concentrations of K-40 ranged from

2.6 to 3.5 pCi/g (wet) for bullhead and from 1.3 to 4.3 pCi/g (wet) for redbreast /pumpkinseed. Cs-137, present due to previous weapons testing fallout, was found in one bullhead sample. .03 pCi/g (wet). All other nuclides were less than the minimum detectable level.

I i 4. Sedinent i

l Aquatic sediment samples were collected at three locations (16B2, 16C4 and 33A2) semi-annually. The following analysis was performed:

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_G_a m m a Spectrometry i

Sediment samples from all three locations were analy=ed for l '

gamma emitting nuclides (Tables C-IV.1, C-IV.2, and C-IV.3, Appendix C). Nuclides detected were Be-7, K-40, Cs-137, Ra-226, and Th-228/232. The nuclidos K-40. Th-232/228, Ra-226, l and Cs-137 commonly occur in sediment naturally, daughter i decay from uranium, or from world-wide fallout.

Concentrations of Be-7 were the result of cosmic ray activity.

B. Atmospheric Environment

1. Airborne

n. Air Particulates Continuous air particulate samples were collected from seventeen locations on a weekly basis. The seventeen locations are separated into three groups: Group I represents locations within the LGS site boundary (1053, 1151, 1431 and 34S2), Group II represents locations near the LGG site (2B1, 6C1, 9C1, 13C1, 15DI, 1781, 20DI, 26B1, 29B1, 31D1, and 35B1), and Group III represents i control locations at remote distances from LGS ( 1 3114 and l 22G1). The following analyses were performed

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i I Gross Beta j Weekly samples were analy=ed for concentrations of beta j emitters (Tables C-V.1, C-V.2, C-V.3, C-V.7. C-V.8, l C-V.9. C-V.13. C-V.14, C-V.15, and Figure C-5, Appendix '

l C). Detectable activity was observed at all locations throughout the preoperational period, with only one sample in 1983, and two samples in 1984 having a less than MDL value. The activities ranged from <.003 to .25 i

pCi/m3 In 1982, there was a statistical difference l

! (p<.05) between the activities of indicator and control l locations. However 1982 was only a partial year (July-

! December); as a result, seasonal variability could i account for the difference between data. Months (1982-

! 1984 years combined) with the lowest activity were

April, March, and May, respectively, and were j stastically different (p<.05) from the highest month of September. The data also showed that indicator Groups I

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• and II had a slight but stastically higher (p<.05) activity than control Group III. The high activity of l .25 pCi/m3 (1781, 9/7/84-9/10/84) is attributable to a l

small sample volume (117.2m3) caused by a shortened sampling period.

Gamma Spectrometry l Weekly samples were composited monthly and analyned for i gamma emitting nuclides (Tables C-V.4, C-V.5, C-V.6, C-I V.10, C-V.11, X-V.12, C-V.16. C-V.17, and C-V.18,

! Appendix C). Naturally occurring Be-7 was detected in i

} all but six samples over the three year period, due to j cosmic ray activity. These values ranged from <.02 to [

' .25 pCi/m3 K-40, was found in 39 of 467 samples  ;

l analy=ed throughout the preoperational period, with l values ranging from <.01 to .24 pCi/m3 In 1984, Th-228 j was detected in 2 of 186 samples (.007 pCi/m3, 6C1, i Tehruary 1984 and .010 pCi/m3, 29B1, February 1984). X-40 and Th-228 are also naturally occurring nuclidos.

Cs-137 was detected in one sample during the

! preoperational period (.001 pC1/m 3, 26BI, June, 1983).

b. Airborne Todine Continuous air samples were collected from eight i locations, (1053, 1151, 13C1, 13H4, 1451, 22G1, 31D1, l l 35B1) and were analyzed weekly for I-131. Results of i the I-131 analysis are found in Table C-VI.1 and C-VI.2, i Appendix C. All results were less than the minimum detectable level.

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2. Terrestrial

a. Milk Milk was sampled from twelve locations throughout the preoperational period. The variations in the sampling schedule are described in the Program History.Section III.C. The following analyses were performed: (

Iodind-131 Milk from all locations was analy=ed for concentrations of I-131 (Tables C-VII.1, C-VII.3, and C-V.S. Appendix C). All results throughout the preoperational period were less than the minimum detectable level.

Gamma Spectrometry Milk from all locations was analy=ed for concentrations of gamma emitting nuclides (Table C-VII.2. C-VII.4, and C-VII.6, Appendix C). Nuclides detected were K-40 which is naturally occurring and Cs-137. The values ranged from 770 to 1900 PCi/1 for K-40 and from .7 to 11 pCi/1 for Cs-137. All other nuclides searched for were less than the minimum detectable level.

b. Well Water Samples were collected from two locations semi-annually.

The following analyses were performed:

Tritium Total samples from both locations were analy=ed for i aqueous tritium activity (Table C-VIII.1. Appendix C).

The results of samples analyzed in 1982 and 1983 from  ;

both locations were all below the minimum detectable level. In 1984, one sample f rom location 1151 and both samples from 18A1 had positive tritium results. These positive values could be due to the change in analytical procedure that took place at the end of 1983.

Gamma Spectrometry Total samples from both locations were analyzed for gamma emitting nuclides (Table C-VIII.1, Appendix C).

All nuclides searched for were below the minimum detectable level.

c. Veaetation Vegetation samples were collected from one location (1151) throughout the preoperational period. The

(

collection schedule is described in the program History,Section III.C. The following analysis was performed:

Gamma Spectrometry ,

Vegetation samples were analyzed for gamma emitting nuclides (Tables C-IX.1 and C-IX.2. Appendix C). The

?

nuclides detected were naturally occurring Re-7 ranging from <.02 to .16 pCi/g (wet) and K-40 ranging from .77 to  ;

6.1 pCi/g (uet). Be-7 is due to cosmic ray activity. All other nuclides were less than the minimum detectable level.  ;

I d. S.aam A rabbit sample was collected annually from one location (2655) throughout the preoperational period. The following analysis was performed:

Gamma Snectrometrv '

Rabbit flesh was analyzed for gamma emitting nuclides I (Table C-X.1. Appendix C). All nuclides searched for were l less than the minimum detectable level with the exception of naturally occurring K-40, ranging from 2.7 to 3.6 pCi/ gram (vet), t C. Ambient Gamma Radiation l

Ambient gamma radiation levels were measured utilizing CaSO:

Tm thermolumiescent dositeters. Forty-eight TLD locations were established around the site in a three ring concept forcomparison purposes an " inner ring"of sixteen locations around the site boundary; a " middle ring" of twenty-seven  !

locations within a ten mile radius of the sites and an " outer ring" of five locations at distances outside the ten mile radius ofthe site. Results of TLD measurements are listed in Tables C-XI.1, C-XI.2, C-XI.3, and C-XI.4 and Figure C-6, Appendix C. The initial results from October 1944 (published in reference 3) showed abnormally high ambient gamma radiation levels and large error terms. An investigation and subsequent recalibration of these TLDs resulted in the results presented in this report.The majority of all TLD measurements were below 10 mrad /std. month, with a range of 2.94 to 13.40 mrads/std.

month. The locations with the highest TLD results were 31D1, 5H1, and 1151, respectively. An analysis of the data showed that the inner ring locations had an average ambient gamma radiation level that was statistically lower (p<.05) than the

, middle and outer ring locations, j i

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U. References

1. Environmental Report Operating License Stage, Limerick Generating Station, Units 1 and 2, Volumes 1-5 philadelphia Electric Company.

2. Branch Technical position paper, Regulatory Guide 4.8, Revision 1. November 1979.

3. Regional Railiological Environmental Monitoring program Report

1. 1, 22 December through 31 December 1984, Teledyne Isotopes and Radiation Management Corporation.

4. RMC-Environmental Services Division, 1984 Non-Radiological Environmental Monitoring for Limerick Generating Station, 1979-1983 progress Report.

l l

l RADIOLOGICAL ENVIRONMENTAL MONITORING REPORT

SUMMARY

1 s

l

APPENDIX A RADIOLOGICAL EtWIR0ttr1ENTCL NONITC31HG PROGRAN AKX11CL SLC1 NARY HAME OF FACILITY: LINERICK GENERATIt4G STATIDH DOCKET NO. 50-352 C 50-353 LOCATIDt4 0F FACILITY: NOHTGOMERf CoutiTY. PA REPORTING PERIODS 01/01/82-12/22/84 INDICATOR CONTROL LOCATIDH WITH HIGHEST REQUIRED LOCATI0t43 LOCATI0 tis AfD4UAL NEAll HEDION OR TYPE OF HUNDER OF LOWER LIMIT NEAN NEAN HE Ati STATI0tt #

PATHWAY SAMPLED ANALYSES ANALYSES OF DETECTIDt4 (F) (F) (F) HAME (UNIT OF NEASURENENT) PERFORNED PERFORNED (LLD) RANGE rat 1GE RANGE DISTAttCE C DIRECTIDH SURFACE WATER GROSS BETA 175 4 2.2 1.2 2.8 16B2 ( It4DICATOR )

(PCI/ LITER) INSOLUBLE (38/70) (50/105) (21/35) LIHFIELD DRIDGE

(.3-22) 8.3-7) (.3-22) 1.1 NILES SSE OF SITE GROSS BETA 175 4 3.4 3.3 4.0 10F2 (CONTROL)

SOLUBLE (70/70) (105/105) (35/35) PERKIONEH PUNPING STATICH

(.6-9) (.7-15) ( 1. 0-12 ) 7.1 NILES E OF SITE AQUEDUS H3 36 2000 247 210 247 16B2 (INDICATOR)

TOTAL (3/12) (15/24) (3/12) LIttFIELD CRIDGE (130-410) (90-420) (130-410) 1.1 NILES SSE OF SITE GANNA 175 K-40 N/A 20 22 30 2451 (CONTROL)

(2/70) (6/105) (2/35) LINERICK INTAKE (20-20) (14-40) (20-40) 0.3 NILES WSW OF SITE HH-54 15 < L LD < LLD < LLD CO-58 15 < LLD < LLD < LLD FE-59 30 < LLD < LLD < LLD CO-60 15 < LLD < LLD < LLD IN-65 30 < LLD < LLD < LLD ZR-95 30 < LLD < LLD < LLD 10-95 15 < LLD < LLD < LLD CS-134 15 < LLD < LLD < LLD CS-137 18 < LLD 1.5 1.5 24S2 (Cot 4 TROL)

(1/105) (1/35) FRICKS LOCK BOATHOUSE (1.53 (1.5) 0.3 HILES SSW OF SITE BA-140 60 < LLD < LLD < LLD LA-140 15 < LLD < L L3 < L LD NEAN APO RANGE BASED UP0H DETECTABLE HEASURENENTS ONLY. FRACTION OF DETECTABLE HEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES. (F)

APPEND 3X A RADIOLDGICAL ENVIR0t#1 ENTAL MONITORD4G PROGRAN ANNUAL SUNNARY NAME OF FACILITY: LINERICK GENERATING STATION DOCKET HO.s 50-352 C 50 353 LOCATION OF FACILITY: NOHTGONERY COUNTYe PA RLPORTING PERIOD 01/01/82 12/22/84 INDICATOR CONTROL LOCATION WITH HIGHEST REQUIRED LOCATIONS LOCATI0t45 At#4UAL NEAN MEDIUM OR TYPE OF HUNDER OF LOWER LINIT HEAH r1EAH PIEAH STATION 8 PATHWAY SAMPLED ANALYSES ANALYSES OF DETECTION (Fi (FI (F) HANE (UNIT OF NEASUREMENT) PERFORNED PERFORNED (LLD) RANGE RANGE RANGE DISTANCE C DIRECTION

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

-_=.

DRD# cit *G WATER GROSS BETA 175 4 f.0 .7 f.C 15F4 (INDICATOR)

(PCI/ LITER) INSOLUBLE (32/140) (3/35) (16/35) PHILADELPHIA SUBUreBAN WATER COMPAHf

(.3-5.89 (.3-l.0) (.3-5.8) 7.8 NILES SSE OF SITE l CROSS BETA 175 4 3.3 3.2 3.9 15F4 (IteICATOR)

SOLUBLE (140/140) (35/35) (35/35) PHILADELPHIA SUBURBAH WATER CONPANY

(.6 15) (.8-7) (1.1 15) 7.8 NILES SSE OF SITE AQUEDUS H3 38 2000 209 229 229 28F3 (CONTROL)

TOTAL (14/26) (7/123 ( 7/12 ) POTTSTOWH HATER AUTHORITY (90 3501 (lI0-4001 (t10-4001 5.9 NILES WPM OF SITE GANNA 175 K-40 N/A 17.3 < LLD 18 15F4 (DiDICATOR)

(4/140) (2/f40) PHILADELPHIA SUBURBAH WATER COMPAHf (16 19) (17-19) 7.8 NILES SE OF SITE t94-54 15 C LLD < LLD < LLD ,

CO-58 15 < LLD < LLD < LLD FE.59 30 < LLD < LLD < LLD CD-60 15 < LLD < LLO < LLD ZN-65 30 < LLD < LLD < LLD ZR-95 30 < LLD < LLD < LLD NB 95 15 < LLD < LLD < LLD CS-134 15 < LLD < LLD < LLD CS-137 18 f.0 < LLD 1.0 13H2 (INDICATORD (1/140) (1/140) BELMONT WATER WORKS (1.0) (1.0) 25.5 MILES SE OF SITE BA.140 60 < LLD < LLD < LLD LA-140 15 < LLD < LLD < LLD NEAN AND RANGE BASED UP0H DETECTABLE HEASUREMENTS OHLY. FRACTION OF DETECTABLE HEASUREMENTS AT SPECIFIED LOCATIDHS IS INDICATED IN P#dENTHESES. (F)

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

+

l I APPENDIX A i RADIOLOGICAL ENVIRDHNENTAL NOHITORING PROGRAN ANNUAL SUtetARY l HAME OF FACILITY 8 LINERICK GENERATING STATIDH DOCKET NO.s 50-352 C 50-353 LOCATIDH OF FACILITY: NOHTGOMERY COUNTY, PA REPORTING PERIOD: 01/01/82-12/22/84 I INDICATOR CONTROL LOCATIDH WITH HIGHEST REQUIRED LOCATIONS LOCATIONS At#4UAL HEAH NEDIUM DR TYPE OF NUNDER OF LOWER LIMIT NEAN NEAN NEAN STATIDH # '

PATHWAY SAMPLED ANALYSES ANALYSES OF DETECTION (F) (F) (F) HAME (Ut4IT OF MEASURENENTI PERFORNED PERFORNED (LLD) RANGE RANGE RAHGE DISTANCE C DIRECTION a ...........____ -.. ............. ......... .......__. . ....__....... ............- ............. ........ .................. . ___

FISH-

, DULLHEAD GANNA 18

( PCI/GR AN WET ) K-40 N/A 3.1 3.2 3.2 29C1 (CDHTROL)

.!. (12/12) (6/6) (6/6) AREA UPSTREAN OF IHTAKE (2.6-3.43 ( 3. 0-3.5 ) (3.0-3.5) 4 NH-54 0.13 < LLD < LLD < LLD i CO-58 0.13 < LLD < LLD < LLD FE-59 0.26 < LLD < LLD < LLD j CO-60 0.13 < LLD < LLD < LLD

ZH-65 0.26 < LLD < LLD < LLD

' CS-134 0.13 < LLD < LLD < LLD CS-137 0.16 < LLD .03 .03 29C1 (CONTROL)

(1/6) (1/6) AREA UPSTREAN OF INTAKE FISH. (.03) (.03)

REDDRE AST/PUNPKINSEED GANNA 18 '

(PCI/GRAN WET) K-40 N/A 2.8 3.0 3.0 20S1 (INDICATDR) 1 (12/12) (6/6) (6/6) AREA DOWHSTREAN OF DISCHARGE (1.3-4.33 (2.3-3.8) (2.3-4.3)

NH-54 0.13 < LLD < LLD < LLD i CD-58 0.13 < LLD < LLD < LLO I FE-59 0.26 < LLD < LLD < LLD CO-60 0.13 < LLD < LLD < LLD j Zta-65 0.26 < LLD < LLD s LLD 4 CS-134 0.13 < LLD < LLD < LLD C5 137 0.16 < L LD < LLD < LLD i SEDINENT GANHA 18 j ( PCI/GR AN DRY ) BE.7 N/A .8 1.2 1.2 33A2 (CDHTROL) l (5/12) (4/6) (4/6) AREA UPSTREAN OF DISCHARGE  ;

(.5-1.33 (.4-2.1) (.4-2.1) i HEAN AND RANGE BASED UPON DETECTABLE NEASUREMENTS ONLY. FRACTION OF DETECTABLE NEASUREMENTS AT SPECIFIED LOCATIDHS IS ItOICATED IN PARENTHESES. (F)

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i

APPEHOIX A RADIOLOGICAL ENVIRot#1 ENTAL NOHITORING PROGRAN Al#4UAL SUPTtARY NAME OF FACILITVs LINERICK GENERATING STATIDH DOCKET No.s 50-352 C 50-353 LOCATION OF FACILITY: NDHTGONERY COUNTY PA REPORTING PERIO0 s 01/01/82-12/22/84 I'OICATOR H CONTROL LOCATION WITH HIGHEST REQUIRED LOCATIONS LOCATIONS At#3UAL NEAN MEDIUM OR TYPE GF HUNBER OF LOWER LINIT NEAN NEAH NEAN STATION O PATHWAY SAMPLED ANALYSES ANALYSES OF DETECTIDH (F ) (F) (F) HANE (UNIT OF NEASURENENTI PERIORNED PERFORNED (LLD) RANGE RANGE RANCE DISTANCE C DIRECTION SEDIMENT (CONT.) K.40 N/A 13 13.3 13.3 33A2 (CONTROL)

(PCI/GRAN DRY) (12/123 (6/61 (6/6) AREA UPSTREAN OF DISCHARGE (11-153 (10-17) (10-17)

CS-134 0.06 < LLD < LLD < LLD I CS-137 0.08 .28 .16 .30 16B2 (INDICATDol

(1t/12) (4/69 (6/6) LINFIELD BRIDGE AREA i

(.18 .39) (.08 .27) (.21 .39) i RA-226 N/A t.7 1.9 f.9 33A2 (COHTROLI (12/12) (6/63 (6/61 AREA UPSTREAN OF DISCHARGE  !

j (.92-3.21 (.69-3.21 (.69-3.2)

TH-228 N/A 1.2 1.2 1.3 16B2 (INDICATORI  !

(12/12) (6/68 (6/6) LIHFIELD BRIDGE AREA

f.96-1.8) (.79-1.53 (1.0-1.8)

AIR PARTICULATE GROSS BETA 2012 0.01 .020 .018 .021 1781 (IHOICATOR)

(PCI/CU. NETERI (1782/1784) (227/228) (127/127) LINFIELD SUBSTATION

(.005 .25) (.003 .120) (.006 .253 f.6 HILES S OF SITE GANNA 467 f BE-7 N/A .10 .09 .51 11S1 (IHOICATOR) '

j (405/414) (51/53) (29/29) LGS INFORMATION CENTER

(.04 .21 (.04 .25) (.06 .173 0.5 MILES ESE OF SITE K-40 N/A .06 .04 .12 29B1 (35/4143 (4/531 (4/29) YOST ROAD

( . 01 .24 ) (.03 .07) (.04 .24) 1.8 NILES HW OF SITE 1 t CS-134 0.05 < LLD < LLD < L LD C5 137 0.06 .001 < LLD .001 26Bt ,

(1/414) (1/29) OLD SCHUfLKILL RD.

(.00l) ( 00I) 1.7 NILES W OF SITE TH-228 N/A .009 < LLD .01 2988 (2/414) (1/29) YOST ROAD

(.007 .31) (.01) 1.8 HILES NW OF SITE MEAN AND RANGE BASED UPON DETECTABLE NEASUPEMENTS ONLY. FRACTIDH OF DETECTABLE NEASUREMENTS AT SPECIFIED LOCATIDHS IS INDICATED IN PARENTHESES. (F) i

APPENDIM A RADIOLOGICAL Et4VIROHNEt4TAL NOHITORING PROGRAN ArorrL

SUMMARY

HAME OF FACILITY: LINERICK GEt4ERATIt4G STATI0t1 DOCKET NO.8 50-352 C 50-353 LOCATIOH OF FACILITY: NOHTGOMERY COUNTY. PA REPORTING PERIOD 01/01/82-12/22/84 It4DICATOR CONTROL LOCATION WITH HIGHEST REQUIRED LOCATI0t45 LOCATIOf43 ant 4UAL NEAN NEDILR1 OR TYPE OF NUNDER OF LDHLR LIMIT NEAN NEAN NEAH STATIDH #

PATHWAY SAMPLED ANALYSES ANALYSES OF DETECTIDH (F) (F) (F) t!AME (UNIT OF NEASUREMENT) PERFORNED PERFORNED (LLD) RANGE RANGE RANGE DISTANCE C DIRECTIDH AIR IODINE I-131 518 0.07 < LLD < LLD e LLD

( PCI/CU. NETER )

NILK I-131 316 1 < LLD < LLD < LLD (PCI/ LITER)

GANNA 210 K-40 N/A 1400 1400 1600 1001 ( IttDIC ATOR )

(171/171) (39/39) (10/18) GOAT MILK FARN (770-1900) (1100-1800) (1400-1700) 1.1 HILES ESE OF SITE CS-134 15 < LLD < L LD < L LD CS-137 to 3.6 2.1 11 SCI (INDICATOR)

(21/171) ( 7/39 ) (8/26) CDW HILK FARN

( 1.0-11 ) (.9-3.0) (2-11) 2.6 NILES NE OF SITE DA-140 60 < LLD < LLD < LLD LA-140 15 < LLD < LLD < LLO WELL WATER AQUEDUS H1 12 2000 190 120 190 1151 (INDICATOR)

(PCI/ LITER) (1/6) (2/6) (1/6) LGS INFORMATION CENTER (190-190) (100-140) (190-190) 0.5 MILES ESE OF SITC GANNA 12 MH-54 15 < LLD < LLD < LLD CO-58 15 < L1D < LLD < LLD FE-59 30 < LLD < LLD < LLD CO-60 15 < LLD < LLD < LLD ZH-65 30 < LLD < LLD < LLD ZR-95 30 < LLD < LLD < LLb 140-95 15 < LLD < LLD < LLD CS-134 15 < LLD < LLD < LLD CS-137 18 < LLD < LLD < LLD DA-140 60 < LLD < LLD < LLD LA-140 15 < LLD < LLD < LLD NEAN AND RANGE BASED UP0H DETECTABLE NEASUREMENTS CHLY. FRACTION OF DETECTABLE NEASUPEMENTS AT SPECIFIED LOCATIDHS IS INDICATED IN PARENTHESES. (F)

APPENDIX A RADIOLOGICAL EtNIRot#1 ENTAL HDH?'ORING PROGRAN ANNUAL SUMARY NAME OF FACILITY: LINERICK GENERATING STATION DOCKET HO.s 50-352 C 50-3F.3 LOCATION OF FACILITY: NONTG0t1ERf COUNTY PA REPORTING PERIOOs 01/01/82-12/22/84 INDICATOR CONTROL LOCATION WITH HIGHEST REQUIRED LOCATIONS LOCATIONS At#1UAL HEAH NEDIUM OR TYPE OF NUMBER OF LOWER LIMIT NEAN HEAN NEAN STATIDH #

PATHWAY SAMPLED ANALYSES ANALYSES OF DETECTION IFI (F) (F) HAME (UNIT OF NEASUREMENTI PERFORNED PERFORNED (LLD) RANGE RANGE RANGE DISTANCE C DIRECTION FOOD PRODUCTS GANNA 15 BROADLEAFY VEG. BE.7 N/A .13 N/A .13 1851 (INDICATORI (PCI/GRAN WET) (2/15) (2/15) LGS INFO. CENTER

( . 0 9 .16 ) ( .09 .16 ) 0.5 NILES ESE OF SITE K-40 N/A 2.8 N/A 2.8 1951 (INDICATOR)

(15/15) (15/15) LGS INFO. CENTER (l.4-4.3) (1.4-4.31 0.5 NILES ESE OF SITE

, I-131 0.06 < LLD N/A < LLD CS-134 0.06 < LLD N/A < LLD CS-137 0.08 < LLD H/A < LLD I

F000 PRODUCTS- GAPt1A 9 ROOT CROP K-40 N/A 3.0 N/A 3.0 1151 (ItOICATOR) -

(PCI/GRAN WET) (9/9) (9/91 LGS IHFO. CENTER

(.77-6.1) f.77-6.11 0.5 MILES ESE OF SITE I-131 0.06 < LLD N/A < LLD CS-134 0.06 < LLD H/A < LLD CS-137 0.08 < LLD N/A < LLD GAME GAMA 3

( PCI/GR AF1 WET ) K-40 N/A 3.1 N/A 3.1 26S5 (IFOICATOR D 13/3) (3/38 FRICKS LOCK ARFA (2.7-3.61 (2.7 3.6 ) SITE VICINITY AP1BIENT GAmA TLD 1569 N/A 7.37 7.47 9.32 3101(INDICATOR)

RADIATION (1400/1400) (169/169) (20/20) 1.IHCOLH SUBSTATION (NRAD/STAtOARD NONTH) (3.95-13.80) (2.94-10.97) (7.28-11.10) 3.0 MILES IM OF SITE NEAN AND RANGE BASED UPON DETECTABLE NEASUREMENTS OHLY. FRACTIDH OF DETECTABLE HEASUREMENTS AT SPECIFIED LOCATIONS IS ItCICATED IN PARENTHESES. (F)

SAMPLE DESIGNATION AND LOCATIONS

l l APPENDIX B: SAMPLE DESIGNATION AND LOCATIONS I LIST OF TABLES AND FIGURES TABLES TABLE B-I: Location Designation and Identification System for the Limerick Generating Station TABLE B-II: Sampla Collection and Analysis Program for the Operational Radiological Environmental Monitoring Program, Limerick Generating Station, 1 January 1982 through 21 December 1984 FIGURES FIGURE B-1: Environmental Sampling Locations on site or near the Limerick Generating Station FIGURE B-2: Environmental Sampling Locations at Intermediate Distances from the Limerick Generating Station FIGURE B-3: Environmental Sampling Locations at Remote Distances from the Limerick Generating Station

TABLE B-I: Location Designation and Identification System for the Limerick Generating Station XXYZ General code for identification of locations, where XX -

Angular sector of sampling location The compass is divided into 36 sectors of 10 degrees each with center at Limerick off gas vent. Sector 36 is centered due North, and others are numbered in a clockwise direction 1 -

Radial =one of sampling location (in this report, the radial distance from the Limerick vent for all regional stations)

S  : on-site location E : 4-5 miles off-site A  : 0-1 mile off-site T : 5-10 miles off-site B  : 1-2 miles off-site G : 10-20 miles off-site C 2-3 miles off-site H : 20-100 miles off-site D  : 3-4 miles off-site I -

Location's numerical designation within sector and =one, using 1, 2, 3... in each sector and =one e

I

TABLE B-II SAMPLE COLLECTION AND ANALTSIS PROGRAM FOR THE PREOPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM, LIMERICK GENERATING STATION ENVIRONMENTAL LOCATION DISTANCE E DIRECTION COLLECTION ANALYSIS PERIOD Or STATION DESCRIPTION FROM LG5 VENT METHOD PERFORMED OPERATION 1 Surface Water 10r2 Perkiomen Pumping 7.1 miles E Collection Method G. Beta (SEI) 1/82-11/84 Station.(control) described in Gamma Spec Program History. Tritium Section III, C.

15r5 Philadelphia Suburban 7.8 miles SE G. Beta (SEI) 1/82-11/84 Water Company Gamma Spec (indicator) 1682 Linfield Bridge 1.1 miles SSE Same as 1072 1/82-11/84 (indicator) 8451 Limerick Intake 0.3 miles WSW Same as 10r2 1/82-11/84 (control) 24S2 Fricks Lock Boat 0.3 miles SSW Same as 15r5 1/82-11/84

, House (control) t B. Drinkina (Potable) Water 13H2 Belmont Water Works 25.5 miles SE Collection Method G. Beta (SCI) 1/82-11/84 (indicator) described in Gamma spec Program History Section III, C.

1574 Philadelphia Subur- 7.8 miles SE G. Beta (SEI) 1/82-11/84 ban Water Company Gamma Spec (indicator) Tritium 15F7 Phoenixville Water 5.2 miles SSE Same as 15r4 1/82-11/84 ,

Works (indicator) '

16C2 Citi= ens Home Water 2.4 miles SSE Same as 15r4 1/82-11/84 Company (indicator) 28r3 Pottstown Water 5.9 miles WNW Same as 15r4 1/82-11/84 Authority (control)

TABLE B-II SAMPLE COLLECTION AND ANALYSIS PROGRAM FOR THE PRE-OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGAAM, (contd.) LIMERICK GENERATING STATION ENVIRONMENTAL LOCATION DISTANCE E DIRECTION COLLECTION ANALYSIS PERIOD Of STATION DESCRIPTION FROM LGS VENT METHOD PERFORMED OPERATION

p. Well Water I 1151 LGS Information 0.5 miles ESE Two gallon grab Tritium 1/82-11/84 center taken from faucet Gamma Spec 18A1 Control 1.0 miles S Two gallon grab Tritium 1/82-11/84 taken fro. faucet Gamma Spec A. Cou's Milk 36El 4.7 miles N Two gallon grab I-131 1/82-11/84 sample collected Gamma Spec from bulk tank at farm SC1 2.6 viles NE Sac- as 36El Same as 35E1 1/82-11/84 9El 4.1 miles E Same as 36El Same as 36E1 1/82-11/84 9G1 Control 11.4 miles E Same as 36El Same as 36El 1/82-11/84 10C1 2.8 miles E Same os 36El Same as 36El 1/82- 8/84 11D1 3.8 miles ESE Same as 36El same as 36El 8/84-11/84 11Et 4.9 miles ESE Same as 36E1 Same as 36Et 1/82-11/84 l 17C2 2.5 miles S Same as 36Et Same as 36Et 1/82-11/84 18C1 1.9 miles S Same as 36El Same as 36Et 1/82-11/84 2151 1.7 miles SW Same as 36El Same as 36E1 1/82-11/84 33T1 Control 9.8 miles SW Same as 36El Same as 36E1 1/82-11/84 85B1 1.3 miles WSW Same as 36El Same as 36El 1/82-11/84

._ _ - _ _ _ .- m. . . _ _ _ _____.-_.~....-.m_ ~..__m. ..__mm - _ . _ _ . . - _ _ _ . _ - . - .- - .- -- . - . - - . - . - - - - -

. i I

i

? I I

L TABLE B-II SAMPLE COLLECTION AND ANALYSIS PROGRAM TOR THE PRE-OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM, *

(contd.) LIMERICK GENERATING STATION ENVIRONMENTAL t0 CATION DISTANCE E DIRECTION COLLECTION ANALYSIS PERIOD OF [

i- STATION DESCRIPTION FROM LGS VENT METHOD PERFORHED OPERATION T- %n_ tis _r111k 1081 1.1 mile ESE Two gallon grab I-131 10/83-11/84 i sample collected Gamma Spec ,

at farm F i

17D1 3.6 miles S Same as 1081 Same as 1051 1/82-1/84 [

F. Air pqrticulntes/ Air Indine AZI / AIS 251 Sanatoga substation 1.5 miles NNE Approximately 1 cfm G. Beta 7/82-continuous flow Gamma Spec 11/84 i through glass fiber I-131-if and charcoal filters necessary (approx. 2" diameter) 4 GC1 Pottstown Landing 2.1 miles ENE Same as 2B1 Same as 2B1 7/82-Field 11/84 9C) Reed Road 2.2 miles E Same as 281 Same as 2B1 7/82- 'i 11/84  ;

1053 Keen Road 0.5 miles E same as 221 G. Beta ./82-9/83-Gamma Spec 11/84 11/84 I-131 1151 LGS Information 0.5 miles ESE Some as 2B1 Same as 1053 7/82- 9/83-Center 11/84 11/84  !

I 13C1 King Road 2.9 males SE Same as 2B1 Same as 1053 7/82- 9/83-11/84 11<84 13H4 2301 Market Street, 28.8 miles SE Same as 281 Same as 1053 11/82- 7/83-Philadelphia (control) 11/84 11/84 1451 Longview Road 0.6 miles SE Same as 281 Same as 1053 7/82- 9/83-11/84 11/84

)

I r

i I

- , - - . - =- . ,

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

t TABLE B-II SAMPLE COLLECTION AND ANALYSIS PROGRAM FOR THE PPE-OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM, (contd.) LIMERICK GENERATING STATION ENVIRONMENTAL LOCATION DISTANCE E DIRECTION COLLECTION ANALYSIS PERIOD OF STATION DESCRIPTION TROM LGS VENT M E TliO D PERFORMED OPERATION F_ Air Particulg es/ Air India?d C.2 d M1 / M 15D1 Spring City Substation 3.2 miles SE Same as 2B1 Same as 281 7/12-11/84 1791 Linfield Substation 1.6 miles S Same as 2B1 Same as 251 7/82-11/84 20D1 Ellis Wood Road 3.1 miles SSW Same as 281 Same as 2B1 7/82-11/84 32G1 Manor substation 17.6 alles SW Same as 251 Same as 1053 8/82- 9/83-(control) 11/84 11/84 2601 Old Schuy1xill Road 1.7 miles W Same as 2B1 Same as 2B1 7/82-11/84 2951 Yost Road 1.8 miles NW Same as 2B1 Same as 281 7/82-11/84 31D1 Lincoln Substation 3.0 miles NW Same as 251 Same as 1053 8/82- 9/83-11/84 11/84 3452 Met. Tower 01 0.6 miles NHW Same as 281 Same as 2B1 7/82-11/84 3501 Pleasantview Road 1.9 miles NN= Same as 2B1 Same as 1053 1/84- 2/84-11/84 11/84

TABLE B-II SAMPLE COLLECTION AND ANALTSIS PROGRAM FOR THE PRE-OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM, (contd.) LIMERICK GENERATING STATION ENVIRONMENTAL LOCATION DTSTANCE C DIRECTION COLLECTION ANALYSIS PERIOD OF STATION DESCRIPTION FROM LGS VENT METHOD PERFORMED OPERATION G. Fish 16C5 Vincent Pool Downstream of Fish flesh from two Gamma Spec 1/82-11/84 (indicator) Discharge groups representing predator and bottom feeder species col-lected by electroffsher or other appropriate fishery gear 20S1 Discharge Area Downstream of Same as 16C5 Same as 16C5 1/82-11/84 (indicator) Discharge 29C1 Pottstown Vicinity Upstream of Intake Same as 16CS Same as 16C5 1/82-11/84 (control)

H. Sediment 1652 Linfield Bridge Downstream of Recently deposited Gamma Spec 1/82-11/84 (indicator) Discharge sediment collected belou the wcterline 16C4 Vincent Dam Downstream of Same as 16B2 Same as 1682 1/82-11/t4 (indicator) Discharge 33A2 Control Upstream of Same as 1682 Same as 16B2 1/82-11/84 Discharge I.... Gang

?655 Fricks Lock Area Site V1cinity Game animal collec- Gamma Spec 1/82-11/84 ted by hunting J. Veaetation 1151 LGS Information 0.5 miles ESE Broad leafy vegeta- Gamma Spec 1/82-11/84 Center tion and root crops

. . . _ . .- - . . _ . . . . - _ _~ . - . , . . - . . - - - - _ . - _ . - - - , n. ..-_-_n_~. .~. .. . - . _ - . .. .- . . _

3 i

4 3

TABLE B-II SAMPLE COLLECTION AND ANALTSIS PROGR4M FOR THE PRE-OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM, (contd.) LIMERICK GENERATING STATION ENVIRONMENTAL LOCATION DISTANCE & DIRECTION COLLECTION ANALTSIS PERIOD OF STATION DESCRIPTION FROM LGS VENT METHOD PERFORMED OPERATION M. Environmental Dosimetrv-TLD j 3651 Evergreen and 0.6 miles N Collection method TLD 1/82-11/84 Sanatoga Road is described in placement procedure, 4 Section III, A.

! 281 Sanatoga Substation 1.5 miles NNE Same as 3651 Same as 3651 1/82-11/84 2E1 Laughing Waters GSC 5.1 miles MNE Same as 3651 Same as 3651 10/82-11/84 351 Senatoga Road 0.6 miles NNE Same as 3651 Same as 3631 1/82-11/84 4E1 Neiffer Road 4.6 miles ME Same as 36S1 Same as 3651 10/82-11/84 551 Possum Hollow Road 0.4 miles NE Same as 3651 Same as 3651 1/82-11/84 SH1 Birch Substation 25.8 miles NE Same as 36S1 Same as 3651 1/82-11/84 (Control) 6C1 Pottstown Landing Field 2.1 miles ENE Same as 36S1 Same as 3651 1/82-11/84 751 LGS Training Center 0.5 miles ENE Same as 3651 Same as 3651 1/82-11/84

! 7El Pheasa..t Road 4.2 miles ENE Same as 3651 Same as 3631 4/82-11/84 f l 9C1 Raed Road 2.2 miles E Same as 3651 Same as 3651 1/82-11/84 d

1053 Keen Road 0.5 miles E Same as 3651 Same as 3651 1/82-11/84 10E1 Royersford Road 3.9 miles E Same as 3651 Same as 36S1 1/82-11/84 10F3 Trappe substation 5.5 miles ESE Same as 3651 Same as 36:1 1/82-11/84 5

1151 LGS Information Center 0.5 miles ESE Same as 3651 Same as 36S1 1/82-11/84 '

13C1 King Road 2.9 miles SE Same as 3651 Same as 36S1 1/82-11/84 j 13E1 Vaughn substation 4.3 miles SE Same as 36S1 Same as 3651 9/82-11/84

)

13H3 3508 Market Street, 28.2 miles SE Same as 36:1 Same as 3631 1e82-11/84 Philadelphia (control)

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

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

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

i TABLE B-II SAMPLE COLLECTION AND ANALYSIS PROGRAM FOR THE PRE-OPERATIONAL RADIOLOGICAL ENVIRO.. MENTAL MONITORING PROGRAM, (contd.) LIMERICK GENERATING STATION i

ENVIRONMENTAL LOCATION DISTANCE C DIRECTION COLLECTION ANALYSIS PERIOD OF STATION DESCRIPTION FROM LGS VENT METHOD PERFORMED OPERATION K. E;gy Lignmen1R1 Dosimetrv-TLD (contd.1  !

l Longvieu Road. SE Sector Same as 3651 i 1451 0.6 miles SE Same as 3651 1/82-11/84 i ,

l

, 15D1 Spring City substation 3.2 miles SE Same as 36S1 Same as 36S1 1/82-11/84 I

1652 Same as 3651 Longvieu Road. 0.6 miles SSE Same as 3651 1/82-11/84 ,

SSE Sector i 16F1 Pikeland Substation 4.9 miles SSE Same as 3651 Same as 36S1 1/82-11/84 i

1781 Linfield Substation 1.6 miles 5 Same as 36S1 Same as 3651 1/82-11/84 i

1851 Rail Line along 0.3 males S Same as 36S1 Same as 3651 1/82-11/84 Longview Road <

18G1 Planebrook substation 12.9 miles S Same as 3651 Same as 36S1 1/82-11/84

, (Control)

}

l 19D1 Snouden Substation 3.6 miles S Same as 3651 Same as 3651 1/82-11/84 1

20D1 Ellis Woods Road 3.1 miles SSW Same as 36S1 Same as 3651 1/82-11/84

, 20rl sheeder Substation 5.2 miles SSW Same as 3651 Same as 365 1/82-!1/84

, 2151 Impound Basin 0.5 miles SSW Some as 36S1 Same as 36S1 1/82-11/84 22G1 Manor Substation 17.6 alles SW Same as 3651 Same as 3651 1/82-11/84 (Control) 2352 Transatssion Tower 0.5 miles WSW same as 3631 Same as 3651 1/82-11/84 24D1 Porters Mall 3.9 miles SW Same as 36S1 Same as 3651 1/82-11/84 Substation

25S1 Sector site 0 5 miles SW Same as 36S1 Same as 3651 11/82-11/84  !

! Eoundary 25D1 Hoffecker and 4.0 miles WSW Same as 3651 Same as 3651 1/82-11/84

Klem Streets I

i i

[

TABLE 8-II SAMPLE COLLECTION AND ANALYSIS PROGRAM TOR THE PRE-OPERATIONAL RADIOLOGICAL ENVIRONMENT A L 110NITORING PF 0G R Aft, (contd.) LIMERICR GENERATING STATION ENVIRONMENTAL LOCATION DISTANCE E DIRECTION COLLECTION ANALYSIS F E ?.10 D of STATION DESCRIPTION FROM LGS VENT METHOD PERFORt1ED OPERATION M. Environmental Dosimetrv-TLD teen 11.1 2653 Met. Tower #2 0.4 miles W Same as 3651 Same as 3651 1/82-11/84 2681 Old Schuylktll Road 1.7 males W Same as 36S1 Same as 3651 1/82-11/84 28D2 W. Cedarville Road 3.8 atles W Same as 36S1 Same as 3651 1/82-11/84 2951 Sector Site Boundary 0.5 miles WNW Same as 36S1 Same as 3651 2/82-11/84 2981 Yost Road 1.8 miles NW Same as 36S1 Same es 3651 1/82-11/84 29El P r ir.c e Street 4.9 ftiles WNW Same as 3651 Same as 3651 1/82-11/84 31D1 Lincoln Substation 3.0 miles NW Same as 36S1 Sase as 3651 8/82-11/84 31D2 Poplar Substation 3.9 miles NW Same as 3651 Same as 36S1 8/82-11/84 3251 Sector Site Boundary 0.6 miles NW Same as 3651 Same as 3651 10/82-11/84 32G1 Triedensburg Substation 15.6 miles NW - Same as 3651 Same as 3651 1/82-11/84 (Control) 3452 Met. Touer 91 0.6 miles NNW Same as 3651 Same as 3651 1/82-11/84 3 eel Yarnell Road 4.6 miles NNW Same as 36S1 Same as 36S1 10/82-11/84 3551 Pleasantville Road 1.9 miles NNW Same as 3651 Same as 36S1 1/82-11/84 35rt Ringing Rock Substation 4.2 miles N Same as 3651 Same as 3651 1/82-11/84

NNO N NNE I 3651 EVERGREEfi & SANAT0GA RDS.

e NE NW .

34S2 36S1 351 SAfiAT0GA ROAD 551 POSSUM HOLLOW ROAD 3 gg 3gg 751 LGS TRAINIfiG CEllTER 1053 KEEN ROAD WNW gg, ENE

, 1151 LGS INFORMATI0ft CENTER 1451 LONGVIEW ROAD 7SI W LO N ROAD 29SI 1851 RAILROAD TRACKS /LONGVIEW RD.

20S1 LGS DISCHARGE AREA W ,

s 1053 E

/ e 2151 IMPOUNDING BASiti gg

• 2352 TRANSMISS10fi TOWER ggg ,

24SI IISI 24S1 LGS INTAKE 18 51 24S2 FRICKS LOCK

, 24S2 l ESE 2551 SW SECTOR g 3, i 2653 T1ET. TOWER #2 WSW e l 29S1 WNW SECTOR 3251 NW SECTOR 2lSI 14Sl

• 3452 MET. TOWER #1 16 S 2

/ e

< 20S1 SW SE FIGURE B-1 .

EllVIR0f; MENTAL SAMPLif4G LOCATIONS ON-SITE OR NEAR THE LIMERICK GENERATING STATION s SSE SITE BOUNDARY

S$W 5

N NNO NNE 1501 SPRING CITY SUBSTATION 15F4 PHIL. SUBURBAN WATER C0.

15F5 PHIL. SUBURBAN WATER CO.

! ISF7 PH0ENIXVILLE WATER CO.

36El NE 16B2 LINFIELD BRIDGE NW 35 Fly 16C2 CITIZENS HOME WATER CO.

16C4 VINCENT POOL i

3581 16CS VINCENT POOL 31D1 2BI 16F1 PIKELAND SUBSTATION l3*4 El 3102 2El SCI 6,C l 17B1 LINFIELD SUBSTATION 29CI

)

• 4El ENE 17C2 FARM IN S SECTOR WNW 17D1 FARM IN S SECTOR

{ 9 El \ e7 1 IOCl 18Al ANDERSON ROAD I

• 298

• 18C1 FARM IN S SECTOR

, - 9C l m = 19D1 SNOWDEN SUBSTATION s x e IO F2 2001 ELLIS WOODS ROAD 9El E 2681 . 20Fl SHEEDER SUBSTATION O 28F3 e IO F3 21B1 FARM IN SW SECTOR 25B1 16 2802/ 10 81 .

N

• 22F1 FARM IN SW SECTOR

' / e' .N 24D1 PORTERS MILL SUBSTATION 181 25DI* 25B1 FARM IN WSW SECTOR ML24DI **

\ ESE 25D1 H0FFECKER & KEIM ST.

WSW [ 26B1 OLD SCHUYLKILL ROAD OFI s xk IIEI IIDI IOEl 2802 28F3 W. CEDARVILLE ROAD POTTSTOWN WATER AUTHORITY 29B1 Y0ST ROAD 2 2 F l. . 13Cl 29Cl VINCENT P0OL j SE 13 E i 29El SW HIGH SUBSTATION g - 16 B 2 31D1 LINCOLN SUBSTATION f

31D2 POPLAR SUBSTATION i8 A l IS FS 33A2 UPSTREAM 0F DISCHARGE SODI S ISF4 34El YARNELL ROAD SSW SSE ISF7 j f 35B1 PLEASANTVIEW ROAD

!hl 37 8 ' \ '

I 35F1 RINGING ROCKS SUBSTATION 17Di 10 MILE RADIUS 36El FARM IN N SECTOR 10B1 FARM IN ESE SECTOR 2B1 SANAT0GA SUBSTATION 10Cl FARM IN E SECTOR 2El LAUGHING WATERS 10El ROYERSFORD ROAD 4El NEIFFER ROAD 10F2 PERKIOMEN CREEK SCl FARM IN NE SECTOR 10F3 TRAPPE SUBSTATION Efi N E ITAL SAMPLING STATIONS AT 6C1 POTTSTOWN AIRPORT 1101 FARM IN ESE SECTOR INTERMEDIATE DISTANCES FROM THE 7El GAME FARM llEl FARM IN ESE SECTOR LIMERICK GENERATING STATION 9C1 REED ROAD 13Cl KING ROAD 9El FARM IN E SECTOR 13F1 VAUGHN ROAD

i SHI BIRCH SUBSTATION N

O 9Gl FARM IN E SECTOR NNW NNE 13H2 BELMONT WATER WORKS 13H3 3508 MARKET ST PHIL.

g 13H4 2301 MARKET ST PHil.

NW NE IBG1 PLANEBROOK SUBSTAT10N

'g; -

22GI MANOR SUBSTATION

, 32G1 FRIE0ENBERG SUBSTATl01 I

WNW ENE

, 32GI

>:r /

< _' 9GI w '

' ~

k -

[

~

\ /

L  : yL __

.9, e .. FIGURE B-3 WSw 22GI 18 GI -

ESE ENVIRONMENTAL SAMPLING

( i 13H2 STATIONS AT REMOTE DIS-TANCES FROM THE LIFERICK

~

,7 l H4 GENERATING stall 0N SW \~ f 13H3

\ SE

,- - s 50 MILE" ADIU

4 DATA TABLES l

i

APPENDIX C DATA TABLES LIST OF TABLES AND FIGURES i

TABLES Table C-I.1 Analytical data for surface water samples col-lected in the vicinity of Limerick Generating Station, 1982.

Table C-I.2 Concentrations of gamma emitters in surface water samples collected in the vicinity of Limerick Generating Station, 1982.

Table C-I.3 Analytical data for surface water samples col-t lected in the vicinity of Limerick Generating l

Station, 1983.

I Table C-I.4 Concentrations of gamma emitters in surface unter samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-I.5 Analytical data for surface water samples col-f lected in the vicinity of Limerick Generating Station, 1984 Table C-I.6 Concentrations of gamma emitters in surface water samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-II.1 Analytical data for drinking water samples collected in the vicinity of Limerick Generating Station, 1982.

Table C-II.2 Concentrations of gamma emitters in drinking water samples collected in the vicinity of 1

Limerick Generating Station, 1982.

Table C-II.3 Analytical data for drinking water samples collected in the vicinity of Limerick Generating Station, 1983. 1 Table C-II.4 Concentrations of gamma emitters in drinking water samples collected in the vicinity of Limerick Generating Station, 1983. .

Table C-II.5 Analytical data for drinking water samples collected in the vicinity of Limerick Generating Station, 1984 I

j

~. - -

1 Table C-II.6 Concentrations of gamma emitters in drinking water samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-III.1 Concentrations of gamma emitters in the edible portion of fish samples collected in the

, vicinity of Limerick Generating Station, 1982.

! i Table C-III.2 Concentrations of gamma emitters in the edible portion of fish samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-III.3 Concentrations of gamma emitters in the edible portion of fish samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-IV.1 Concentrations of gamma emitters in sediment samples collected in the vicinity of Limerick Generating Station, 1982.

Table C-IV.2 Concentrations of gamma emitters in sediment samples collected in the vicinity of Limerick Generating Station, 1983.

4 Table C-IV.3 Concentrations of gamma emitters in sediment

samples collected in the vicinity of Limerick Generating Station, 1984.

I Table C-V.1 Concentrations of gross beta radioactivity in Group I air particulate samples col- ,

lected in the vicinity of Limerick Generating Station, 1982.

) Table C-V.2 concentrations of gross beta radioactivity in Group II air particulate samples col-lected in the vicinity of Limerick Generating Station, 1982.

Table C-V.3 Concentrations of gross beta radioactivity in Group III air particulate samples col-lected in the vicinity of Limerick Generating Station, 1982.

i Table C-V.4 Concentrations of gamma emitters in Group I air particulate samples collected in the vicinity of Limerick Generating Station, 1982.

I Table C-V.5 Concentrations of gamma emitters in Group II air particulate samples collected in the i vicinity of Limerick Generating Station, 1982, e

i

- - . . . - - , e. - . _ - , , - . - . . - _ . - - . - - - - - - , .

Table C-V.6 Concentrations of gamma emitters in Group III

air particulate samples collected in the vicinity of Limerick Generating Station, 1982.

Table C-V.7 Concentrations of gross beta radioactivity in Group I air particulate samples collected in the vicinity of Limerick Generating Station, 1983.

i

, Table C-V.8 Concentrations of gross beta radioactivity in l Group II air particulate samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-V.9 Concentrations of gross beta radioactivity in Group III air particulate samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-V.10 Concentrations of gamma emitters in Group I air particulate samples collected in the

vicinity of Limerick Generating Station, 1983.

Table C-V.11 Concentrations of gamma emitters in Group II ,

air particulate samples collected in the vicinity of Limerick Generating Station, 1983.  ;

Table C-V.12 Concentrations of gamma emitters in Group III air particulate samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-V.13 Concentrations of gross beta radioactivity in

] Group I air particulate samples collected I in the vicinity of Limerick Generating Station, 1984 l

Table C-V.14 Concentrations of gross beta radioactivity in i Group II air particulate samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-V.15 Concentrations of gross beta radioactivity in I Group III air particulate samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-V.16 Concentrations of gamma emitters in Group I 2

air particulate samples collected in the vicinity of Limerick Generating Station, 1984 4

Table C-V.17 Concentrations of gamma emitters in Group II air particulate samples collected in the l vicinity of Limerick Generating Station, 1984

..%m 4 --- ,- --,--a w.--p .nw - q, 7--. ..w- - - - - - em - - --o mm ----pn y.,,y. - - .

Table C-V.18 Concentrations of gamma emitters in Group III air particulate samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-VI.1 Concentrations of I-131 in air iodine samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-VI.2 Concentrations of I-131 in air iodine samples collected in the vicinity of Limerick Generating Station, 1984.

Table C-VII.1 Concentrations of I-131 in milk samples col-lected in the vicinity of Limerick Generating Station, 1982.

Table C-VII.2 Concentrations of gamma emitters in milk samples found in the vicinity of Limerick Generating Station, 1982.

Table C-VII.3 concentrations of I-131 in milk samples col-lected in the vicinity of Limerick Generating Station, 1983.

Table C-VII.4 Concentrations of gamma emitters in milk samples collected in the vicinity of Limerick Generating Station, 1983.

Table C-VII.5 Concentrations of I-131 in milk samples col-lected in the vicinity of Limerick Generating Station, 1984.

Table C-VII.6 Concentrations of gamma emitters in milk sam-ples collected in the vicinity of Limerick ,

Generating Station, 1984.

Table C-VIII.1 Analytical data for well unter samples collected in the vicinity of Limerick Generating Station, 1982-1984.

Table C-IX.1 Concentrations of gamma emitters in vegetation samples collected from location 1151, Limerick Generating Station, 1982-1983.

Table C-IX.2 Concentrations of gamma emitters in vegetation samples collected from location 1151, Limerick Generating Station, 1984.

Table C-X.1 Concentrations of gamma emitters in game sam-ples collected from location 2655 of Limerick Generating Station, 1982-1984.

Table C-XI.1 Monthly ambient gamma radiation levels in the vicinity of Limerick Generating Station, 1982.

i

l s

Table C-XI.2 Mo r.thly ambient gamma radiation levels in the vicinity of Limerick Generating Station, 1983.

Table C-XI.3 Monthly ambient gamma radiation levels in the vicinity of Limerick Generating Station, 1984. ,

i Table C-XI.4 Mean monthly ambient gamma radiation levels .

in the vicinity of Limerick Generating Station, January, 1982-November, 1984.

Table C-XII.1 Collection dates for surface water samples col-

lected in the vicinity of Limerick Generating Station, 1982-1984.

' i Table C-XII.2 Collection dates for drinking unter

]

samples collected in the vicinity of i

Limerick Generating Station, 1982-1984. ,

l i Table C-XII.3 Collection dates for air particulate  !

samples collected in the vicinity of Limerick Generating Station, 1982-1984 j Table C-XII.4 Collection dates for air iodine

! samples collected in the vicinity of i Limerick Generating Station, 1983-1984.

f Table C-XIII.1.1 Typical minimum detectable levels of i nuclides searched for but not found in the vicinity of Limerick Generating Station, i 1982-1984.

} Fiqures ,

!' Figure C-1 Comparison of mean monthly gross beta l (soluble) concentrations in surface water l samples collected in the vicinity of Limerick f Generating Station, 1982-1984, i 4

1 Figure C-2 Comparison of mean monthly gross beta i

{ (insoluble) concentrations in surface water t i samples collected in the vicinity of Limerick j Generating Station, 1982-1984 4

Figure C-3 Comparison of mean monthly gross beta j (soluble) concentrations in drinking water

samples collected in the vicinity of Limerick j Generating Station, 1982-1984. '

Figure C-4 Comparison of mean monthly gross beta l (insoluble) concentrations in drinking water l samples collected in the vicinity of Limerick Generating Station, 1982-1984.

i J

4

, , _ , , . ,, ,, ..-__ __-_. ,y_- . . . , , . - _ _ , ___1_ . . . _ - , - . _ . - _ ,v,_ , m - , .,r. . _ __ _ _ .

1 I

Figure C-5 Comparison of mean monthly gross beta concentrations in air particulate samples col-lected in the vicinity of Limerick Generating Station, 1982-1984.

Figure C-6 Comparison of mean monthly ambient gamma radiation levels in the vicinity of Limerick Generating Station, 1982-1984.

1

I l

l I

TABLE C-I.1 ANALYTICAL DATA FOR SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LINERICK GENERATING STATION, 1982 RESULTS IN UNITS OF PCI/ LITER i 2 SIGNA GROSS BETA SOLUBLE COLLECTION PENIOD 10F2 15F5 1682 24St 24S2 JAH 3.7 i .5 2.9 i .4 2.4 1 .4 2.6 i .4 2.8 i .4 FLB 2.4 i .4 2.4 i .4 2.0 i .4 2.3 1 .4 1.9 i .4 MAR 2.0 i .4 2.4 i .4 1.8 1 .4 1.6 i .4 1.6 1 4 AFR 2.1 1 .4 2.0 i .4 2.0 i .4 1.9 i .4 1.7 i 4 MAY 2.0 t .5 2.2 1 .5 1.4  ! .4 2.1 1 .5 1.9 i 4 JUN 2.8 i .5 2.2 .5 1.8 1 .4 1.5 2 .4 1.5 1 4 JUL 2.8 .5 4.3 1 .6 2.2 1 .5 f.5 1 .5 1.8 1 .5 AUG 4.9 1 .5 3.6 i .5 2.9 1 .5 2.3 1 .4 2.2 1 .4 SEP 8.6 1 .7 5.2 1 .6 2.2 1 .4 2.2 1 .4 2.3 i 4 OCT 10.2 1 .7 5.5 i .5 3.2 1 .5 3.0 t .4 2.5 1 .4 HOV 4.8 2 .6 3.7 i .6 2.6 i .5 2.4 i .5 2.5 1 .5 OEC 3.2 1 .4 3.1 1 .4 1.9 1 .4 2.1 i .4 1.6 1 .4 MEAN 4.1 2 5.3 3.3 1 2.4 2.2 1 1.0 2.1 t .9 2.0 t .8 GROSS BETA INSOLUDLE i

CCLLECTICH PERIOD 10F2 15F5 168: 2451 2452 JAH < .2 f.5 i .3 < .2 < .2 .3 i .3 FEB < .3 1.7 i .4 .3 1 .3 < .3 < .3 MAR .4 i .3 1.0 t .3 .6 1.3 .4 1 .3 < .3 AFR 3.0 t .5 3.1 i .5 1.6 1 .4 2.1 1 .4 .8 1 .4 MAf .3 i .3 .4 i .3 < .3 .3 '1.3 .3 2 .2 JUN 1.9 i .4 6.9 1 .7 4.5 1 .6 3.4 i .5 4.6 2 .6 JUL .5 t .3 1.2 1 .3 .8 i .3 .3 1 .3 .3 i .3 AUG 4.9 1 .6 1.6 1 .5 2.0 t .5 < .4 < .4 SEP < .3 1.1 1 .4 < .3 < .3 .7 1.3 OCT < .3 .7 1.3 .5 2 .3 <.3 .4 1 .3 NOV < .2 .4 1 .3 3.4 i .4 < .2 < .2

.i CEC < .3 < .4 < .4 < .4 < 4 MEAN 1.1 2 3.0 1.7 1 3.6 1.2 1 2.8 .7 1 2.0 .8 1 2.5 AQUEOUS H3 TOTAL COLLECTION PERICO ICF2 15F5 1682 2451 2452 JAH-MAR < 60 < 60 < 60 AFR-JUN < 70 < 70 < 70 JUL-SEP 120 1 70 < 70 100 1 70 DCT-DEC < 70 < 70 < 70 NEAN 80 1 54 < 68 75 i 35 4

1

TABLE C-I.2* CONCENTRATIONS OF GAMMA EMITTERS

• IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1982 RESULTS IN UNITS OF pCi/l 1 2 SIGMA Location Number Nuclide Jan Feb Mar Apr May Jun Jul Aun Sep Oct Nov Dec Mean 10F2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL < M'J L <MDL <MDL <MDL --

15F5 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

16B2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

2451 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

24S2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL < i1D L --

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

TABLE C-I.3 ANALYTICAL DATA FCR SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK CENERATING STATION, 1983 RESULTS IN UNITS OF PCI/ LITER 12 SIGMA GROSS DETA SOLUBLE COLLECTION PERIOD 10F2 15F5 1602 2451 2452 JAH 2.8 .4 3.1 .5 2.0 i .4 2.4 i .4 2.2 i .4 FEB 2.4 1 .4 1.6 i .4 1.7 1 .4 2.3 1 .4 1.7 1 .4 MAR 1.0 t .4 1.2 1 .4 .6 i .4 1.0 .4 .7 t .4 Arp 1.5 i .4 1.5 1 .4 1.5 i .4 1.5 i .4 1.2 i .3 MAY 1.9 i .4 2.0 t .4 1.6 i .4 1.0 t .3 1.9 i .4 JUN 2.4 1 .4 0.0 t .4 2.1 i .4 1.0 i .3 1.9 i .4 JUL 3 11 5 1 1 3 i I 3 11 4 i 1 AUG 3 i 1 5 i 1 5 11 4 i1 6 i i SEP 12 12 9 11 5 11 5 !1 4 1 OCT 5 1 8 12 5 11 5 21 5 i i NOV 2.6 1 .9 4 11 4 11 3 11 4 11 DEC 2.8 1 .6 4 i1 3.2 i .9 15 12 3.6 1.9 MEAN 3.4 5.8 3.9 1 5.1 2.9 1 3.1 3.7 1 7.7 3.0 1 3.3 GPOSS BETA INSOLUDLE COLLECTIDH FERIOD 10F2 15F5 16B2 2451 2452 JAN t.2 i .3 < .3 1.9 i .4 .3 1.3 1.8 i .4 FEB .6 1 .3 < .3 < .3 < .3 < .3 MAR .8 1 .3 < .2 .4 i .3 1.1 1.3 .5 1 .3 ArR .4 i .3 < .3 .8 2 .3 1.5 i .4 .8 i .3 MAY 4 1 .2 < .2 .6 i .3 < .2 .5 2 .3 JUN < .3 < .3 < .3 .8 i .4 < .3 JUL < .4 < .4 .7 i .6 .6 1 .5 < .4 AUG < .5 .7 1 .5 < .5 < .5 < .5 SEP < .5 < .5 < .5 < .5 < .5 OCT 5 11 < .5 .7 i .6 f.1 i .6 < .5 00V < .5 < .5 < .5 < .5 < .5 DEC < .4 < .4 < .4 1.2 i .5 < .4 I MEAN .9 1 2.6 .4 i .3 .6 i .9 .7 .6 .6 1 .8 AQUEOUS H3 TOTAL COLLf*TIOH f PEPIDO 90F2 15F5 1602 2451 2452 J#N-MAR < 70 < 70 < 70 Al'R-JUN 120 1 70 130 1 70 90 1 70 JUL-SEP 200 i 100 200 i 100 190 1 70 OCT-DEC 90 1 80 < 80 230 1 80 i HEAN 120 i 114 120 1 119 145 1 154 l

l

?

i I

r l

TABLE C-I,43 CONCENTRATIONS OF GAMMA EMITTERS

• IN SUR7 ACE WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1983 RESULTS IN UNITS OF pCi/l 1 2 SIGMA Location '

_Eumber Nuclide Jan Feb Mar Apr May Jun Jul Aue Sep Oct Nov Dec Mean 10F2 K-40 <6 <7 <10 <14 <6 <6 <20 <20 16 2 7 <5 <7 <6 10 1 11 Others <MDL <MDL <MDL <MDL <MDI i1D L <MDL <MDL <MDL <MDL <MDL <MDL --

15F5 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

16B2 K-40 <7 <8 <9 <12 <10 <6 <9 <10 <6 <6 <6 20 9 9 2 8 Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

2431 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

2452 Cs-137 <.5 <.8 <.4 <.5 <.5 <.4 <.4 1.5 ! .8 <.5 <.8 <.7 <.3 .6 1 .6 Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

l t -

1 l l TABLE C-I.5 AN!.LYTICAL DATA FOR SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LINERICK GENERATING STATICH, 1984 RESULTS IN UNITS OF PCI/ LITER i 2 SIGMA GROSS BETA SOLUBLE COLLECTION PERIOD 1CF2 15F5 1602 2 **S t 2952 JAH 3.4 i .5 3.6  % .5 2 11 3 t1 3 11 FEB 5 1 1 7 1 1 3 i1 7 11 4 11 NAR 1.8 1 .9 3 11 3 11 2 11 2 i 1 l APR 4 11 3 11 4 11 3 11 2 11 NAf 3.0 t .8 4 11 3 !1 3 11 2 11 JUN 2.8 i .9

• 11 2.3 1 .9 4 1 1 2.1 1 9 JUL 3.7 1 .8 4.2 i .9 4 21 5 !1 4 11 AUG 6 1 1 5 11 4 21 4 11 3 ii

!EP 7 1 7 11 5 i1 5 i1 4 11 DCT 6 1 6 12 4 11 4 11 3 11 NOV 7 t 1 6 11 6 11 6 11 5 11 MEAH 4.5 t 3.6 4.8 1 3.0 3.7 1 2.3 4 23 3.1 1 2.1 GROSS BETA INSOLUBLE COLLECTIC:4 PEPIOD t0F2 15F5 1602 2451 2452 JAH < .3 .5 1.3 .6 1 .6 .8 i .4 .6 i .6 FEO .7 2 .5 < .5 < .5 ( .5 < .5 MAR .7 1 .6 < .6 < .5 1.2 1 .8 < .5 AFR < .4 < .4 22 12 .7 i .6 < .5 4

ru f 7 1 1 1.2 1 .8 .7 i .6 1.1 i .8 < .5 JUN < .5 < .5 < .5 < .5 < .5

! JUL < 4 1.5 i .6 3.1 i .7 .8 i .5 .5 2 .5 AUG < .5 < .5 1.6 t .7 < .5 .6 .6 SEP 1.2 1 .6 .7 2 .7 < .3 1.2 2 .7 < .3

. OCT < .4 < .5 5 i t < .5 < .5 HUV 1.0 t .6 1.6 1 .7 6 11 < .5 .8 i .6 i

MEAN 1.2 1 3.9 .8 2 .9 3.7 t 12.8 .8 2 .6 .5 2 .2 i A00 ECUS H3 TOTAL I CCLLECTICH j PERICO 10F2 15F5 16D2 24St 2452

! JAH-MtR 370 1 80 410 i 70 300 2 100 ATR-Jtta 420 1 60 < 60 290 t 70

• JUL-CEP 260 i 60 < 80 110 1 70 CC T-HOV 260 t 60 < 80 < 70 t

NEAN 328 161 158 1 337 193 1 239 1

i k

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

4 TABLE C-I 63 CONCENTRATIONS OF GAMMA EMITTERS

• IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1984 RESULTS IN UNITS OF PCi/l 1 2 SIGMA a

Location Number Nuclide Jan Feb Mar Apr May Jun Jul Aun Sep Oct Nov Mean 10F2 K-40 <7 <20 14 1 6 <10 <20 19 1 8 <7 <10 <7 <7 <10 12 1 11 Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

15F5 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

16B2 K-40 <4 <5 <7 <6 <5 <20 <10 20 ! 10 <10 <20 <20 12 1 14 Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

24S1 K-40 <20 <6 <7 <9 <20 <8 <5 <10 <5 40 1 10 20 1 10 14 ! 14 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

24"2 K-40 <10 <10 <6 <5 20 1 10 <4 <7 <10 <6 <6 <8 8 1 9 Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

}

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

I i i l

l TADLE C-II.1 ANALYTICAL DATA FOR DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF  ;

LINEPICK GENERATING STATICH, 1982 l

! i RESULTS IN U!4IIS OF PCI/ LITER 2 SIGMA 1 ~

GROSS DETA SOLUBLE l

I COLLECTIDH I PERICD- 13H2 15F4 15F7 16C2 28F3 JAN 2.3 i .4 2.4 1 .4 0.5 1 .4 2.7 i .4 2.* i .4 l IEB 2.5 2 .4 2.3 i .4 0.2 .4 0.5 2 .4 0.1 1 .4 j MAR 0.3 i .4 0.6 2 .4 2.6 1 .4 0.1 i .4 2.3 2 ,4 AFR 2.0 t .4 0.2 2 4 1.5 i .4 1.4 2 .4 1.4 i .4 MAY l.5 1 .4 0.2 i .5 1.0 1 .* 1.3 1 .9 1.3 4 JU'I 1.3 2 .4 e.9 t .4 0.0 t .4 1.5 1 .4 3.2 1 .5 5

JUL 1.9 2 .5 2.3 1 .5 f.S 1 .5 ' t.3 1 .5 1.5 1 .5 AUG 3.1 i .5 3.5 i .5 0.1 1 .4 0.3 i .4 2.4 i .4

. SEP 0.7 2 .5 3.7 2 .5 2.8 2 .5 3.7 2 .5 2.5 1 4 OCT 3.3 1 .5 5.5 i .6 3.1 1 .5 0.8 i .4 0.6 1 .4 NOV .9 2 .5 3.0 t .5 3.4 1 .5 0.6 1 .5 0.6 1 .5 t CEC 0.8 i .4 2.0 t .9 2.1 1 .4 0.3 i .4 0.0 t .4 MEAN 2.4 t 1.0 2.9 t 2.0 0.3 f.3 2.0 t 1.5 0.0 t 1.1 l l

GROSS BETA INSOLUCLE i

CCLLECTIDri

. PEPICD 13H2 15F4 15F7 16C2 ORF3 1

JAN < .2 < .3 < .0 < .2 < .2 FC3 < .3 < .3 < .3 < .3 < .3

! MAR < .3 <.3 < .3 < .3 <.3 Ara < .3 < .3 < 3 . < .3 < .3 MAY < .3 < .2 < 2 . < .2 < .2 l JUN < 4 .5 2 4 .6 .4 < .3 < .*

I J'JL .4 1 .3 .3 i .3 .3 1 .3 < .3 .3 1 .3 l AUG < .4 < .4 < .4 < .4 < .4 SEP < .3 < .3 < .3 < .3 < .3 4 CCT 1.6 i .4 < .3 < 3 . < .3 < .3 taav < .0 < .2 .3 i .2 < .2 < .2 i

DEC < .3 < 1 < 4. < .3 < .4 MEAN .4 1 .8 4 1 .4 .3 1 .2 < .3 .3 1 .1 -

i a

4 t

AQUEOUS H3 TOTAL f COLLECTIct4 i FLpIOD 13H2 15F4 15F7 16C2 28F3 i

JAN-itAR < 60 < 60 < 60 APR-JUN < 70 < 70 < 70 JUL-SEP < 70 < 70 < 70 DCT-DEC < 70 < 70 < 70 j MEAN < 68 < 68 < 68 i

+

w - , ---- p- - - .vn-,.e-,+. ,.e .o -n - - - - , , e , y - w--- g , y,

TABLE C-II.2: CONCENTRATIONS OF GAMMA EMITTERS

• IN DRIHl:IMG WATER SAMPLES COLLECTED IN THE VICINITY OF LIME RICI: GEHERATING STATION, 1982 RESULTS IN UNITS OF pCi/l i 2 SIGMA Location Humber Nuclide Jan Feb Mar Apr May Jun Jul Aun Sep Oct Nov Dec Mean 13H2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <!1 D L <MDL <MDL --

15F4 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

15F7 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

16C2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

28F3 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

TABLE C-II.3 ANALYTICAL DATA FOR ORINKING WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1983 RESULTS IN UNITS OF PCI/ LITER ! 2 SIGMA l.

GROSS DETA SOLUDLE COLLECTION i PERIOD 13H2 15F4 15F7 16C2 28F3 JAN 2.2 1 .4 2.8 1 .4 2.4 i .4 2.0 t .4 2.0 1 .4 FES 1.1 i .4 1.5 t .4 1.4 i .4 1.9 i .4 f.9 2 .4 MIR .6 i .4 f.1 i .4 f.1 1 .4 1.0 $ .4 .8 i .4 I AFR t.8  ! .4 3.7 1 .4 2.0 t .4 1.4 1 .4 1.5 1 .4 MAY  !.8 i .4 1.3 i .3 2.0 t .4 1.7 1 .4 1.8 .4 JUN .7 1 .5 2.6 1 4 2.2 1 .4 2.0 i .4 2.2 t .4 JUL 2.9 1 9 5 it 4 21 2.4 1 .9 3 21 AUG 6 11 5 11 5 t1 5 11 7 11 SEP 6 i 1 12 12 6 11 6 11 6 11 GCT 7 12 11 12 8 12 6 12 6 12 NOV 5 t1 4 11 4 21 4 i1 3 21 DEC 2.9 2 .9 3.1 i .9 4 i1 3.2 i .9 2.6 1 .8 i MEAN 3.2 1 4.5 4.3 17.3 3.5 1 4.1 3.t i 3.6 3.2 1 4.1 i

A CROSS EETA INSOLUDLE i

, COLLECTION FERICO 13H2 15F4 15F7 16C2 28F3 JAN < .3 1.1 i.3 < .3 < .3 < .3 FEB < .3 1.4 1 .4 < .3 < .3 < .3 FAR .3 2 .3 1.6 2 .3 < .2 < .2 < .2 ArR < .3 1.5 i .3 < .3 < .3 < .3 MAf < .2 .3 1 .2 < .2 < .2 < .2 JUN < .6 < .3 < .3 < .3 < .3 j JUL < 4 < .5 < .4 < .4 < .4 AUG < .5 < .5 < .5 < .5 < .5 SEP < .5 .7 2 .6 < .5 < .5 < .5 OCT .6 1 .6 5.8 2 .9 1.9 i .7 4 .5 .8 i .6 NOV < .5 < .5 s .5 < .5 < .5 DEC < .4 .6 1 .5 < .4 < .4 < .4 MEAN .4 i .3 1.0 1 3.0 .5 1 .9 < .4 .4 i .3 i

't AQUECUS H3 TOTAL COLLECTION FEPICO 13H2 15F4 15F7 16C2 20F3 JAN-MAR < 70 < 70 < 70 Al'R-JUN 15C 2 70 < 70 150 1 70 JUL-SEP 160 i 90 320 1 70 180 1 90 4

t OCT-DEC 320 1 90 200 1 100 180 i 80 4

MEAN 175 209 165 1 240 145 i 104 I

1

-.- , - - - , - , - - - , ,- -- c,

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

a l

I s

TABLE C-II.4* CONCENTRATIONS OF GAMMA EMITTERS

• IN DRINKING MATER SAMPLES COLLECTED IN THE' VICINITY OF LIMERICK GENERATING STATION, 1983 i RESULTS IN UNITS Or pCi/l 1 2 SIGMA l Location l Number Nuclide Jan Feb Mar Apr May Jun Jul Aun Sep Oct Nov Dec Mean ,

3 1 13H2 Cs-137 . <.6 <.7 <.4 <.5 <.4 1.0 t .6 <.8 <.8 <.3 <.4 <.7 <.3 .6 1 .5  ;

4 i'

Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

15F4 K-40 <20 <8 <5 <7 <10 <7 <6 17 1 8 <7 <4 <20 <5 to i 12 i  !

Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

l I 15F7 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

16C2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

28F3 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

)

4

• For typical minimum detectable levels of nuclides searched for and not found,

' see' Table C-XIII.1. t i  !

1 I

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

f I

i TABLE C-II.5 ANALYTICAL DAT A FOR DRINKING WATER SAMPLES CCLLECTED IN THE VICINITY OF l LIMERICK GENEPATING STATIDH, 1964 2

RESULIS IN UNITS OF PCI/ LITER 1 2 SIGMA 4

GROSS CETA SOLUDLE COLLECTION "ER100 13H2 15F4 15F7 ISCO 28F3

}' .......... ............. ............. ............. ............. .............

JAN 3 i1 3 1 1 6 1 3 1 t 3 i1 FEB 3 2 1 3 11 4 1 9 t 1 7 11 MAR 3 11 2.5 t .9 3 11 2.5 1 .9 3 11 AFR 2 11 3 i1 3 11 3 11 5 1l ttA Y 3.4 1 .7 3 21 2 2 1 3 1 1 4 21 ,

JUN 2.8 .9 2.6 2 .9 3 1 1 3 11 5 1 T

JUL 2.4 1 .7 4 i1 2.8 1 .8 2.2 1 .8 2.4 i .7 d AUG 7 21 5 1 4 11 2 11 5 11 SEP 5 11 5 11

• 11 6 t2 4 i1 CCT 2 i1 5 11 5 t1 2 2 1 3 11 NOV 8 11 15 12 7 11 4 11 6 21 MEAN 3.8 4.0 4.6 7.1 4.0 1 3.0 3.6 1 4.2 4.3 1 2.9 a

GROSS BETA INSOLUDLE COLLECTION FEDIDO 13H2 15F4 15F7 16C2 28F3 JAN < .5 .9 t .6 < .4 < .5 < .5 FEB < .5 1.7 2 .7 .8 i .5 1.4 1 .6 < .5 1 FA2 < .5 .9 t .6 < .5 < .5 < .6 I

APR < .5 .7 1 .4 < .4 .9 .5 < .4 i rtA T < .5 < .5 < .5 < .5 < .5 l JUN < .5 < .5 < .5 < .5 < .5 JUL < .4 < .4 < .4 .5 2 .4 < .4

. AUG < .5 < .5 < .5 < .5 < .5 i SEP 1.3 i .7 .3 i .3 < .3 1.0 t .7 < .3 i

OCT < .5 < .4 < .5 < .5 < .4 i NOV < .5 .8 1 .5 1.0 1 .6 1.3 2 .7 f.0 t .6 1

! MEAN .6 .5 .7 1 .6 .5 i .4 .7 1 .7 .5 1 .4

.i AQUEDUS H3 TOTAL  ;

COLLECTICH

{ PERIDO 13H2 15F4 15F7 16C2 28F3 j JAN-MAR 200 t 80 350 1 70 300 t 100 3 APR-JUN 160 i 80 260 1 80 400 t 100

! JUL-SEP 110 1 80 190 2 60 180 2 70 280 t 90 4

CCT-NOV 320 1 70 140 1 70 90 1 60 110 1 70 4

3 MEAN 198 1 179 165 2 71 220 1 222 273 1 241 I

) b 4

4 t

j i

4 4

• i

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

TABLE C-II.68 CONCENTRATIONS OF GAMMA EMITTERS

• IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1984 RESULTS IN UNITS of PCi/l i 2 SIGMA l l

Location Number Nuclide Jan Feb Mar Apr May Jun Jul Aun Sep Oct Nov Menn 13H2 K-40 <5 <6 <5 <4 <7 <20 <6 <10 <10 16 1 8 17 1 9 10 2 11 others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

15F4 K-40 <5 <20 <40 <20 <20 <20 <6 <10 <10 <8 19 1 8 16 2 20 Others <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

15F7 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

16C2 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

28F3 All <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

• For typical minimum detectable levels of nuclides searched for and not found, ,

see Table C-XIII.1.

_ . _ . . . _ _ . _ _ _ . . _ _ _ . _ . . _ . _ . _ _ _ _ . _ _ _ . , _ _ -_ _ _ _ _ _ _ _ _ _ _ _ . _ . __ __m _ _

TA2LE C-III.1 CONCENTRATIONS OF GAMMA EMITTERS

• IN THE EDIBLE PORTION OF FISH l SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1562 RESULTS IN UNITS OF pCi/g (WET) 2 2 SIGMA Location Sample Mumber Nuclide Type 5-17-82 9-17-82 Mean 16CS K-40 Bullhead 2.6 1 .3 3.2 ! .3 2.9 ! .8 l

Rdbrst/Pknseed 1.3 1 .1 3.1 1 .3 2.2 t 2.5 Others Bullhead <MDL <MDL --

Rdbrst/Pknseed <MDL <MDL --

20S1 K-40 Bullhead 2.8 1 .3 3.0 i .3 2.9 1 .3 l Rdbrst/Pknseed 2.9 1 .3 4.3 1 .4 3.6 ! 2.0 others Bullhead <MDL <MDL --

Rdbrst,TAnseed <MDL <MDL --

29C1 K-40 Bullhead 3.5 2 .4 3.1 2 .3 3.3 2 .6 !

Rdbrst/Pknseed 2.3 1 .2 3.8 1 .4 3.1 2 2.1 Others Bullhead <MDL <MDL --

Rdbrst/Pknseed <MDL <MDL --

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

i i

. __ _ _ _ _ _ _ _. - _ . _ _ _ _ _ . _ _ _ _ _ . . . _ . - . _ _ . . . _ - . = _ _

TABLE C-III.2 CONCENTRATIONS OF GAMMA EMMITTERS* IN THE EDIBLE PORTION OF FISH SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1983 RESULTS IN UNITS OF PCi/ gram (WET) 1 2 SIGMA Location Sample Number Nuclide Type 5-18-83 9-9-83 Mean 16C5 K-40 Bullhead 3.0 t .3 3.4 i .3 3.2 1 .6 Rdbrst/Pknseed 2.9 1 .3 2.9 1 .3 2.9 1 0 4

Others Bullhead <MDL <MDL --

Rdbrst/Pknseed <MDL <MDL --

20S1 K-40 Bullhead 2.9 1 .3 3.2 1 .3 3.1 1 .4 Rdbrst/Pknseed 2.3 2 .2 2.8 1 .3 2.6 1 .7 I

Others Bullhead <MDL <MDL --

Rdbrst/Pknseed G1DL <MDL --

29C1 K-40 Bullhead 3.2 2 .3 3.0 t .3 3.1 2 .3 i l

Rdbrst/Pknseed 3.4 ! .3 2.5 2 .3 3.0 1 1.3 Others Bullhead <MDL <MDL --

Rdbrst/Pknseed <MDL <MDL -- i

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

1

TABLE C-III.3: CONCENTRATIONS OF GAMMA EMMITTERS* IN TPE EDIBLE PORTION OF FISH SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GEN

• RATING STATION. 1984

. RESULTS IN UNITS OF pCi/ gram ( W F '. ) 1 2 SIGMA i Location SamPl e Number Nuclide Type 5-17-84 5-21-84 6-4-84 9-26-8's 10-2-84 10-8-84 Menn 16C5 K-40 Bullhead 3.3 .3 3.1 1 .4 3.2 1 .3 Rdbrst/Pknseed 2.9 1 .3 2.7 1 .3 2.8 2 .3 others Bullhead <MDL <MDL --

Rdbrst/Pknseed <MDL <MDL --

l 20S1 K-40 Bullhead 3.2 t .3 3.1 1 .3 3.2 2 .1 Rdbrst/Pknseed 3.1 1 .3 2.6 1 .3 2.9 1 .7 t

Others Bullhead <MDL <MDL --

Rdbrst/Pknseed <MDL <MDL --

29C1 K-40 Bullhead 3.0 t .3 3.1 1 .3 3.1 2 .1 Rdbrst/Pknseed 2.7 1 .3 3.1 2 .3 2.9 1 .6 Cs-137 Bullhead .03 1 .01 <.006 .02 2 .03 Rdbrst/Pknseed <MDL <MDL --

t i

l Others Bullhead <MDL <MDL --

] Rdbrst/Pknseed <MDL <MDL --

4

• For typical minimum detectable levels of nuclides searched for and not found, j see Table C-XIII.1.

I i

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

. . . - _ . . . . .m__. . . . - __ . m_-.m.m..______m.____1,_ ._ _ . _ _. m _._.____m__. -.___.._.__.___m m. . . . . _ . - . . . . . . . - . . ._ ..

I s-4 TABLE C-IV.18 CONCENTRATIONS OF GAMMA EMITTERS

• IN SEDIMENT SAMPLES COLLECTED IN THE VICINITT OF LIMEPTCK GENERATING STATION, 1982 RESULTS IN UNITh OF pCi/g (DPY) 2 2 SICMA v

j Location 4

Mumber Natiide 5-6-12 9-15-22 Mean E

! 1682 Be-7 .7  : .2 <.4 .6 2 4 K-40 11 2 1 14 2 1 13 2 4 i

Cs-137 .33 1 .03 .39 2 .04 .36 2 .08 1

Ra-226 .93 2 .09 1.1 2 .1 1.0 t .2 Th-232 1.0 t .1 1.2 2 .1 1.1 2 ,3 4 Others <nDL <MDL --

1

.. 16C4 Be-7 1.3 2 .3 .5 2 .3 .9 2 1.1 1

r K-40 13 2 1 13 1 13 2 0 I

, Cs-137 . 18 2 .03 .32 2 .03 .25 2 .20 t

i Ra-226 . 92 2 .09 1.1 2 .1 1.0 t .3 i t

) Th-232 .96 2 .10 1.2 .1 1.1 2 .3 i

Others <MDL <MDL --

33A2 Be-7 .4 2 .2 2.1 2 .3 1.3 2 2.4 l

K-40 10 2 1 13 2 1 12 2 4 4

Cs-137 . 19 .02 .27 2 .03 .23 2 .11 i t

Ra-226 .69 2 .07 .88 2 .09 .79 1 .27 i

I Th-232 .79 2 .08 1.1 2 .1 .9 2 4 Others <MDL <MDL --

) *For typacal minimum detectable levels of nuclides searched for and not found.

see Table C-XIII.T. i I

i l

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

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

i

( TABLE C-IV.23 CONCENTRATIONS Or GAMMA EMITTER s IM SEDIMENT SAMPLES COLLECTED l IN THE VICINITY OF LIMERICK GENERATING STATION. 1983 l l

( RESULTS.IN UNITS OF PC1/g (DRY) 2 2 SIGMA Location l 5-16-83 10-13-83 Mean l ._Kumber Nuclide i

1652 K-40 15 2 2 12 2 1 14 2 4 Cs-137 .28 2 .05 .21 2 .04 .25 2 .10 Ra-226 1.2 2 .1 1.6 2 .5 1.4 2 .6 6

Th-232/228** 1.4 2 .2 1.1 2 .1 1,3 2 .4 I

Others <MDL (MDL --  !

l 16C4 K-40 14 2 1 13 2 1 14 2 1 Cs-137 .32 2 .05 .38 2 .05 .35 * .08 f Ra-226 1.1 * .1 3.0 i .7 2.0 2 2.7 ,

Th-232/22888 1.3 * .2 1.2 2 .1 1.3 2 .1 Others <MDL <MDL --

s 33A2 Se-7 1.1 2 4 <.2 .7 2 1.3 K-40 15 2 2 13 2 1 14 2 3 i Cs-137 .08 2 .05 <.02 .05 2 .08 Ra-226 1.0 2 .1 3.2 2 .7 2.1 2 3.1 Th-232/22888 1.2 2 .2 1.2 2 .1 1.2 2 0 f l

Others <MDL <MDL --

f I

• Tor typical mansmum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

s*Th-232 and Th-228 are in the natural radioactive thorium settes and are presumably  ;

in equilibrium. Th-232, though not a gamma emitter, uns the listed nuclide by RMC.

Teledyne Isotopes lists Th-228 by measuring one of the several short-lived gamma ,

emitting daughter products.

F

-._.__._...__---.,_...__.._...~._____m___.___...__._._____._._._.m_ _ _ _ _ _ . . . . . _ _ . . _ _ _ _ _ _ _ _ . _ . . _ _ _ .

1 i

4 TABLE C-IV.3 CONCENTRATICMS OF GAMhA EMITTER 5' IN SEDIMENT SAMPLES COLLECTED IM Tite VICINIM' OF LIMERICl; GENERATING STATION, 1984 i

.i R E '-U LT3 IN tJNITS or pC1/g (DRY) t 2 SIGMA

)

i 6 l Location j Jta be r Muelide 4-23-44 11-6_R4 fleQ i*  !

a It 92 Be-7 ,9 2 .2 <.2 .6  ! 1.0 t 5

3 K-40 12 e 1 15 t 2 14 2 4  ;

4 i Cs-137 .21 ? .03 .39 t .05 .30 t .25 i i i

Ra-226 2.2 ! .5 3.2 2 0.9 2.7 t 1.4 i

j Th-228 1.2 2 0.1 1.8 t 0.2 1.5 t 0.8 I

Others <MDL (MDL --

\

16C4 Be-7 .7 2 .3 <.4 .6 * .4  !

\

)

E-40 11 ! 1 13 2 1 12 ? 3  !

}  !

1 137 .20 t .03 .20 t .05 .2 2 C i

Ra-226 2.0 t .5 1.6 2 0.6 1.8 : .5 I I

, Th-228 1.2 2 .1 1.3 2 0.1 1.3 .1 Others <MCL <MDL -- '

a

3312 Be-7 1.0 t .3 <.1 .6 2 1.3 '

t

K-40 '7

s 12 2 1 15 2 7

• i i Cs-137 08 2 .02 <.02 .05 2 .08 Ra-226 3.2 2 0.6 2.3 2 0.5 2.8 : 1.3 ,

Th-228 1.5 .2 1.4 2 .6 1.5 2 .1 I 1

Others <MDL <MDL --

?

2

{ l j *For typical minsmum detectable le vt- 1 s of nuclides searched for and not found,  !'

(1 see Table C-XIII.T.

i I

y of

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

,- ,-. , _ , - _ _ - - - - - - , . . - , . . - - , , - cn --- - - - . , - - , . , , - - _ - _ - -

TABLE C-V.t CONCENTRATIONS OF GROSS BETA RADI0 ACTIVITY IN GROUP I AIR PARTICULATE SAMPLES COLLECTED IN 1HE VICINITY OF LINERICK GEHERATING STATIDH. 1982 RESULTS IN UNITS OF PCI/CU.M 2 SIGMA 1982 GROUP I - LIMERICK SITE BOUNDARY LOCATICHS WEEK 8 1053 1151 1451 3452 28 .016 i .005 .002 1 .006 .023 1 .005 29 .025 1 .006 .028 1 .006 .027 1 .006 l 30 .023 i .006 .017 1 .006 .007 1 .005 .001 1 .006 l 31 til .030 1 .008 .0 4 i .006 .008 1 .006 32 .000 1 .005 .000 1 .005 .006 1 .006 .003 i .006 33 .006 1 .005 .031 i .006 .0:5 1 .005 .025 1 .005 34 .023 1 .005 .022 1 .005 .027 i .006 .023 i .005 35 .017 1 .005 .019 1 .005 .016 1 .005 .014 1 .005 36 .007 .006 .023 i .006 .025 i .006 .004 i .006 37 12) .029 1 .006 .030 1 .006 .035 1 .006 3S .013 1 .035 .016 1 .005 .013 i .005 .013 1 .005 39 .081 1 .008 .070 1 .008 .066 1 .008 .070 1 .006 40 .036 1 .006 .033 i .006 .037 1 .006 .040 i .006 41 .013 i .005 .013 i .005 .010 i .004 .000 1 .005 42 .013 1 .003 .015 i .003 .015 i .003 .015 1 .003 43 .033 i .006 .039 i .006 .032 i .006 .033 1 .006 44 .04 1 .01 . 0's 1 .01 .016 .005 .016 1. 005 45 .023 t .005 .020 i .005 .007 1 .006 .005 1 .004 46 .026 1 .005 .0 2 i .005 .004 1 .005 til 47 .019 i .005 .018 1 .005 .022 i .005 (1) 43 .016 1 .035 .013 1 .004 .015 i .004 .013 1 .008 49 .016 i .005 .024 i .005 .010 1 .005 .019 1 .005 50 .020 1 .005 .015 i .004 .018 i .005 .001 1 .005 51 .0:3 1 .035 .016 1 .005 .000 1 .005 .018 1 .005 52 .014 1 .036 .003 1 .006 .000 1 .005 .018 i .005 i MEAN .025 1 .028 .025 1 .004 .003 1 .024 .024 1 006 (11 FUMP MALFUNCTION (2) SAMPLE COLLECTICH ERRCD I

i l

l r

(

l

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

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

2

< TABLE C.V.2 COHCENTRATICHS OF GROSS BETA RADIDACTIVITT IN GROUP II AIR PARTICULATE l I SAMPLES COLLICTED IN THE VICINITY OF LIMERICK GENERATING STATIDH. 1932 i

RESULTS IN Ut4ITS Cr PCI/CU.M i 2 SIGMA

{

l 1932 GROUP II . HEAR SITE LOCATICHS l LEEK

3 001 6C1 SCt 13C1 1501 1701 i i

"O .0ft t .005 .000 i .005 .022 i .006 .024 i .006 .019 2 .005 I f

j 09 tti .005 t .006 .003 1 .006 .017 i .005 .00F 1 .006 i 30 til .018 1 .006 . 032 2 .007 .019 i .006 .004 2 .006 .01S t .006 4 31 41I .021 i .006 . 023 1 .C06 .021 1 .006 .003 1 .006 .030 t .006 32 .000 t .005 .006 2 .006 . 005 1 .00's .030 t .CC6 til .023 2 .006 l . 030 .006 .030 t .006 33 .324 t .C05 .006 2 .005 . 027 1 005 .007 i .005 3e .013 % .005 .000 t .005 . 0t8 i .C05 .017 i .005 .006 i .006 .C00 t .C05  ;

j 35 .015 i .005 .014 t .005 . 003 i .006 .019 1 .035 .006 1 .0J2 .015 i .005 i 25 Ill .032 1 .006 . 030 t .006 .030 t .006 . 0t0 t .000 .031 1 .006 37 .009 1 .005 .029 i .005 0 31 1 .006 .009 i .005 . 009 i .000 .030 t .006

} .

.018 2 .005

.016 i .005 0?0 t .006 .0to 2 .006 . 005 1 .000 J- ?1 .001 1 .006 .

.090 i .009 . 049 t .007 . 053 i .009  !

39 .b M i .009 .C64 i .007 . 0C0 t .008 0.0 t .006 .037 1 .006 . 049 2 .003 . 040 t .006 i 40 .035 1 .COs .037 1 .C06 .

48 .015 t .005 .009 1 .004 . 015 2 .005 t1l .016 1. 005 . 011 t .004 42 .310 t .0n3 .015 1 .003 .013 2 .003 11I . 016 2 .003 . 017 1 .003 43 0 11 2 .006 . 0 P. t .006 . 01 ** i .006 til . CC6 i .001 . 009 2 .001 4

44 010 t .C05 .C19 i .005 . 017 i .C05 til . 019 t .C05 . 016 1 .005 i 45 .007 t .C06 .05 i .01 . 05 i .01 til . 002 1 .005 . 022 1 .005 l 46 .019 2 .00's .001 i .005 . 027 2 .005 Ill . 003 1 005

. . C30 t .005 [

+ 97 .017 2 .035 .019 1 .005 . 015 1 .035 111 . 006 1 .006 . 000 i .005 i 43 .015 2 . C le .015 1 .004 . 013 i .CC4 .03 f .01 . 012 2 .C04 . 014 2 .00's I *9 .006 1 .005 .019 i .C05 . 016 t .005 .004 1 .005 . 021 i .CC5 . 019 i .005 SC .001 i .005 .016 i .C04 . 017 i .004 .019 2 .005 . 000 t .005 . 019 1 .005 i 51 .017 1 .005 .017 1 .005 . 015 2 .005 .019 i 005 . 010 t .005 . 015 i .005

{ 52 .019 2 .005 .0:1 2 .005 . 0f8 2 .005 .006 1 .006 . C23 2 .CC6 Clo 2 .005 .

j MEAN .024 t .035 .004 i .004 . 005 i .032 .008 t .037 . 001 i .002 . 004 t .03e l I

r

tee

C.70VP II . NEAR SITE LOCATICH3

LitK 4 3 2001 06C1 SDt 31DI i .... .... ........ ............. ............. ..............

I OS .C 4 2 .0C6 . 029 2 .006 29 .003 2 .006 . 0:A t .006

- 30 .010 t .006 .002 1 .006 fa t .006 31 .030 i .006 .007 2 .CC6 ..'00 t .006 4 30 .006 2 .006 .0:0 t .005 . 003 i .006 31 .0:8 i .005 .030 . .006 . C6 2 .005 .033 1 .007 l 017 2 .C05 .014 2 .005 l

3 'e .013 i .005 .005 1 .C06 .

i 35 .015 i .005 .017 2 .005 . 000 t .005 .017 2 .005 '

36 .033 i .000 . 0 3ce i .006 . 0 31 i .006 .029 .006 j 37 .07.9 2 .006 .000 t .C05 . 011 1 .006 .007 i .005 i 33 .014 2 .005 .016 1 .005 . 019 i .005 .011 i .005 31 .0'.4 1 .006 .063 2 .001 . 071 2 .003 .069 2 .005 l 40 ,C37 2 .006 .006 03S i .C06 .090 1 .C06 i

, 039 .

j 48 .010 t .C05 .012 i .CC5 . 013 i .005 .018 2 .00%

! 42 .013 t .003 .015 i .003 . 016 i .003 .013 i .003 i 43 .031 i .006 .035 2 .006 . 00 t .006 .032 t .006 X

l 44 .022 2 .006 015 1 .005 . C4 - t .01 .000 $ .005

! 45 .000 t .005 .020 t .005 . 001 1 .005 .021 1 .005

! 46 .001 1 .005 .002 2 .005 . 027 1 .005 .021 t .005 i

! 47 .010 t .005 .001 i .005 . 000 t .005 .016 1 .005 l 4S .016 i .005 '.016 2 .005 . 013 1 .004 .011 1 .009 1

49 .029 1 .006 .002 t .005 . 006 i .005 .010 i .005 7

$3 .0:3 2 .005 .017 2 .005 . 019 i .005 .004 1 .005

51 .016 1 .005 .0t? t .005 . 019 i .005 017 1 .005 i

! 52 .018 i .C05 .019 1 .005 . 000 i .005 .017 1 .005 i i

l ItCAH .023 1 .087 .0 4 1 .001 . 006 1 .004 .003 i .026 I

j l1) NEf? HALFUNCl!Dit i i

e er. - -e----e m e w-r,. e- e- -*-->m' ---s-.~t -c.-+' a e - v ** w--rm "*--*-*rt*'t--r.-~ww" -

---

t--T---*- -m-mv t--m-*mett---T'+w---W---"~-'-~Tw=*-rt-w'v~

_ . . _ . _ _ ._ _ _ __ _ .m. _ _ . _ - . - _ _ - _ . . . . _ . _ _ . _ _ _ . _ _ . _ _ . _ _ _ _ _ _ -. m . - _ . . _ .__.

i i

i I

TABLE C-V.3 CCNCENTRATIDHS OF GROSS DETA RADI0 ACTIVITY IN GROUP III Alp PADTICULATE St.itPLES COLLECTED IH THE VICINITY OF LIMERICK GENERATIliG STATIQl. 190 PECULTS 114 U* LITS Cr PCI/CU.M i 2 SICMA i

193 GROUP III . CONTROL LOCATIONS WEEK l 3 1 31i4 0*Gt 33 .000 i .005 3 J. .021 1 .005 [

- 35 .016 1 .005 36 .0*7 1 .006 37 .027 i .005 33 .012 i .005 39 .006 i .005 40 .014 t .006 41 .014 t .005 42 .012 i .003 43 .029 1 .005 44 .006 1 .006 45 .019 i .006 .002 1 .005 '

46 111 .019 i .005 47 .016 t .005 .017 1 .005 40 .083 1 .004 .011 t .004 ,

49 .000 t .005 .019 1 .005 3 50 .01: i .004 .019 i .005 c 51 .010 .004 .012 2 .004

$2 .018 i .005 .000 t .005 t

NEAN .015 i .008 .000 i .013 f I

1 fil SAMPLE COLLECT!DH EPRGR f I

i-i

(

[

l l

I i

i I

i i

i f

s l

l

[

\

l l

l 1

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

4 4 5 3 9 8 0 0 0 0 0 0 n . . . . . .

a - - - -

e 2 1 - t - 1  ! - 1 -

M 8 3 0 7 3 9 0 0 1 0 0 0 S r 1 1 2 1 E e 0 0 0 0 L b . . . .

P m 1 L L 2 L L M e 2 0 D 2 D 1 0 D 1 D A c .

M M .

M M S e 8 < < 9 < 6 < < 1 <

D 0 0 0 1 ,

E . . . . d T n A2 0 u L8 1 o U9 r 1 2 0 2 f C1 e 0 0 . 0 I b . . . t T , n 2 L L 2 1 L L o RN e 1 0 D t D 0 D 2 D n AO v .

M M 8 .

M M PI o 9 < < 0 < 7 < < 4 < d T N 0 1 0 0 n RA . . . . a IT AS 9 r A 0 o IG M 2 1 0 1 f N G r 0 0 . 0 PI I e . . . d UT S ) b 2 L L 2 1 L L e OA E o 2 0 D D 0 D 2 D h RR 2 T t .

M M 7 M M c GE I c 7 < < 0 < 7 < < 8 < r N 2 S O 0 1 0 0 a NE . . . . e IG 3 R s m A

• K / E 9 9 s SC 1 N r 0 0 e RI C ( e 1 1 0 0 d ER P b 0 0 . . i TE S m . . l TM F N e 1 L L 2 1 L 1 L c II O O t p

2 0 D t D 0 D D u ML I . M M 8 .

M 8 M n E S T e 6 < < 7 < 5 < < 4 <

F T A S 0 0 0 0 f AO I T . . . . o M N S MY U s AT I 2 2 1 1 1 l GI N 0 0 0 0 0 e N I P t . . . . . v FI U s L L 1 L L e OC S O u 2 t D 2 D 2 0 D 2 D l I T R c M M . M M SV L G u 7 5 < 0 < 9 < < 0 < e N U A 0 0 1 0 1 l OE S . . . . . b IH E a TT R t A 2 2 2 4 5 2 c RN 0 0 0 0 0 0 e TI . . . . . . t N v L L L L e ED l 2 2 D 2 D 2 2 D D d CE u M M M n .

NT J 1 5 < 4 < 6 2 < 4 < m .

OC 1 0 1 0 1 1 u1 CE . . . . . .

m. _

L iI _

L e nI _

O d s s s s iI 4C i 7 0 r 7 r 7 r 7 r mX .

. l - 4 e - e - 0 e - e - _

V c e - h e h e 4 h e h lC

- u B K t B t B - t B t a _

C N O O K O O ce il E n pb _

L or ya B i e 3 1 1 2 tT A tb 5 5 5 5 T am 0 1 4 4 re cu 1 1 1 3 oe oN Fs -

L *

>;iti! [' f i"  ! i 'f;!  ! I  !  ! .

_ 5 22 0 73 1 47 7 72 09 6 0 00 1 01 1 00 0 00 1 0 0 .

._ n _

_ a 2 - 2 2 - 1 - 2 2 - 2 - 1 2 - 2 - 2 2 - t 1 - 2 -

e - - - - - - - - - -

M 9 81 9 84 0

00 0

00 1

1 73 00 9

0 92 00 04 1 0 7

0 E r 1 1 1 2 1 22 1 1 22 1 L e 0 0 0 0 0 00 0 0 00 0

_ M A

. b m

e tM

.L D

2

.

• L 0D

.M 2M

.L D

2L 0D

.M t M 2 tM

.L D

. . L D

.L D

. 2L 0D 1

D

.L D _

2 M 2 .M t 2M 2 M S c < < < < < < < < < << < < _

_ e 0 8 9 8 0 70 0 9 03 7 ,

E

_ D 1 0 0 0 1 01 1 0 1 1 0 d _

T . . . . . . . . . . . .

n ,

A u

_ L2 U8 C9 r

e 1

0 1

0 1

0 1

0 1

0 1

0 1

0 1

00 1

0 f

o I1 b .L . 1 L .L .L L .L L . 1 L

.1 .1 .L t T m D 0D D

• D 0D D 0D 0D D o

_ R ,

e 2 M 2 .M 2 M

• 2 M 2 .M 2 M 2 .M 2 .M 2 M n AN v < < < < < < < < << < < '

_ PO o 1 8 7 8 6 8 5 7 8 d I N 1 0 0 0 0 0 0 0 0 n

_ RT ) . . . . . . . . . a -

IA S

. AT E r -

S C 8 9 o I A N 0 0 f IG M A 2 2 1 2 1 0 0 1 1 1

_ N G T r 0 0 0 0 0 9 . 0 0 0 d PI I S e .L .1 L .L 3 .L .L 0L L . 1 L .1 L .L e

__ UT S I b D 0D D 0 D D 20D 2D 0D 0D D h OA D o 2 M 2 .M 2 M 2M 2M c M M 1 . M .M  : M =

RR 2 t < < < < < < < 7<< 7< << < < ( r _

_ GE N 2 E

T c 7 O 0 3

0 6

0 6

1 7

0 5

0 5

0 7

0 9

0 8

0 a

e _

_ NE A . . . . . . . . . .

s

. IG 3 I .

m D s _

._

• K / E 9 9 0 9 9 0 9 0 9 e SC i M 0 0 1 0 0 1 0 1 0 d

_ C R -

RI r 1 0 0 0 0 0 0 0 0 0 i ER p E e 0 . . . . 0 . . . . l .

TE T b .L 1 L L 1 L L 1 L L 1 L 1 L L c s -

TM F N m D 20D D 20D 2 D 20D 2D 20D 0D 2 D u h II O I e 2 M .M M .M M .M M .

M .M M n t -

ML ( t < 5<< 9< 6<< 9< 1 << 1 < 6<< 1 < < 2< n E S p 5 6 4 6 4 6 5 6 6 2 f o _

_ F T S e 0 0 0 0 0 0 0 0 0 0 o m AO I N S . . . . . . . . . .

M N O s e

_ MY U I l s AT T 1 1 1 1 3 1 1 22 2 2 e e -

GI N A t 0 0 0 0 0 0 0 00 0 3 v h N I C s .L . 1 L .L .1 L .L 2L .L . . L . 2L L e t

_ FI O u D 0D D 0D D 0D D D 0D D l OC S L g t M 2 .M 2M 2 .M 1M 2 . M 2 M1 2 M t .M 2 M g I T u < << < << < << < < << < e n SV L I A 0 8 9 1 9 8 2 23 0 0 l i N U I 1 0 0 1 1 0 1 1 0 2 1 b r OE S . . . . . . . . . . . a u IH E P t d TT R U c m

A O 4 22 4 2 2 21 4 2 1 2 e e .

RN R 0 00 0 0 0 00 0 0 00 t c TI G v .L .L .L . 2L .L e

. . .L .L . 2L . .L i N l D D D 0D D D D 0D D

• d v ED u 2M t tM 2M 2 . M 1M 21M 2M 2 . M t 2 M

• r _

. CE J < < < << < < < < < < m.e NT 8 03 9 1 6 1 3 3 4 04 u1 OC CE 0

1 0 1

1 1

1 0 1

1 1 0 m.s i I n _

L nIi

._ L iI 8 O e s s s s s s s s s s mXt

._ 5C d 7r 70 r 7r 70 r 7 r 70 r 7r 70 r 7or 7 r - o

. . i - e 4 e e 4 e - e 4 e - e4 e - we - e lCn

_ V l eh eh eh eh eh eh ehe h eh eh a

- c Bt BKt Bt o

BKt Bt BKt Bt BKt BKt Bt ces C u O O O O O O O o O il n .

N _

_. E L

n or pbo yai tTt

.- B i e 1 1 1 1 1 1 1 1 1 1 a A tb 3 C C C D 8 D B B D rec T am 2 cu 6 9 3 1

5 1

7 1

0 6 9 1 oeo _

2 2 2 3 FsL

. oM *

• L *

! ! ! l i!i! jt lli !lji)i'  ;  ;{l!l!!l l1  ! }f ) l]l

t TABLE C-V.62 CONCENTRATIONS OF GAMMA EMITTERS

• IN GROUP III AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, 1982 RESULTS IN UNITS OF pCi/m3 2 2 SIGMA GROUP III STATIONS (REMOTE DISTANCES)

Location Number Nvelide Julv Aucust September October Nove ci be r December Mean 13H4 Be-7 as se es s' .04 2 .01 .09 2 .01 .07 2 .07 Others ss 3  : ** <MDL <MDL --

22G1 Be-7 *** .08 2 .02 .06 2 .01 .06 1 .01 .06 1 .01 .08 2 .01 .07 1 .02 Others *** <MDL <MDL <MDL <MDL <MDL --

r

• For typical minimun detectable levels of r.uclides searched for and not found, see Table C-IIII.1.

• • Location not in service prior to November 1982.

as* Location not in service during July.

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

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

TADLE C.V.7 CCt:CritfRATIC'15 0F CROSS DETA RADIDACTIVITT 1t4 CROUP ! AIR PARf!CULAf t sat 1 plt 5 COLLECitD lti file VICINiti or LitttRICK GINLR AT!!G STATIcts.1901 i

RESULIS D4 Uti!TS CF l'C1/CU.H t 2 SICriA i 1933 CPCUP 1. Lit *tDICK SITE COUtOAUT LOCATIONS l WttK s 1031 1951 14St 1452 5

l 1 .0:1 1 .006 .011 t .006 .024 .006 .001 2 .0% i l 2 .014 2 .C04 .011 t . 0 0:e .0t0 t ,004 .011 1 .004 '

3 .015 i .0% .017 2 .004 .017 i .004 .000 t .00%

! 4 .03$ t .006 .0:5 2 .J05 . 0 ,1 1 .006 .037 1 006 1 5 .014 2 .005 .015 2 .C05 .015 2 .005 .016 2 .005 ,

6 .0:2 1 .005 .0:0 t .00*1 .013 t .CC5 .020 t .005 p 1 .02t 2 .005 .0:1 1 .C05 .000 2 .005 .019 .t .00%  !

! S .016 2 .006 .013 1 .005 .015 1 .005 .0*0 t .006 i 9 .000 t .C05 .019 1 .005 .017 1 .00. .000 t .003 l 10 .012 i .005 00$ i .00e .007 2 .004 .0c8 1 .409  !

11 .011 1 .021 .0J1 1 .004 .001 2 00e .001 1 .00* I' 1 12 .019 2 .005 . 01 'e t .004 .314 1 .CC, .0t7 2 .00's 11 .016 t .C05 .314 2 .005 .017 1 .0C5 .010 t .C05 14 .014 t .005 .001 1 .00) .0lt 2 .004 .011 t .00 e i

15 .0c$ t .Ch .007 1 .006 .01 5 2 .04* .010 t .004  !

l 16 .017 1 .005 .085 2 .0c5 .0l0 t .0% .0l0 t .005 l J 17 .0 t t .005 .000 t .035 .001 2 .005 .021 t .005 j 15 .017 1 .C01 .016 2 .001 .047 2 .001 015 t .001 l 11 .015 1 .005 .010 t 004 .010 t .00* .011 i .005

'O .010 t .005 .015 t .005 .000 t .005 .011 2 .005 .

,  !! til .011 1 .C16 .011 ! 00's .011 1 .00) [

{  : .015 1 .005 .010 ? .015 .01'l ! .0% .01: 2 .0t4 j 1

21 .000 t .016 0:1 t .c0% .0:0 * .035 .021 1 .f*5

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TAOLE C-V.8 CCHCfHTRATIONS OF GROSS DETA RADICACTIVITY IN GPOUP II ATR PApt1CULATE l

{ SAMPLES COLLECit0 IH illE VICINITY OF L!!!ERICK GLHERATING STAllCH. 1943 i

I l RF3ULTS IN UNITS Or PCI/CU.N i : SICHA l' l

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j 2 . 0 t <a 1 .004 .013 i .00e .013 1 . 0 0'e .010 1 .00%

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j 4 .000 t 005 . .00S i C06 . .035 2 .006 .043 i .006  !

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t i

TABLE C-V.14 CONCEHfRATIDNS OF GROSS BETA RADIOACTIVITY IN GROUP II AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF LINERICK GENERATING STATICH. 19S4 RESULTS IN UNITS OF PCI/CU.H 10 SIGMA 1934 GROUP II . NEAR SITE LOCATIDNS VEEK

1. 001 6Cl SCI 13Cf 1501 1781 1 .008 1 .004 .007 i .004 .006 t .004 .029 1 .004 .009 .004 .005 t .004 0 .002 1 .003 .000 t .003 .000 .004 .023 i .004 .019 1 .003 . COO t .003 3 .009 i .004 .030 i .004 .031 i .004 .031 i .004 .036 1 .004 .000 t .004 4 .000 .004 .019 i .004 .019 i .004 .017 i .004 .001 i .004 .010 t .004 5 .016 1 .C04 .013 1 .003 .017 2 .004 .010 1 .003 .015 1 .003 .014 1 .003 6 .010 t .003 .019 i .003 .010 i .003 .017 1 .003 .000 1 .003 .002 1 .003 7 .014 1 .003 .012 i .003 .010 t .003 .018 i .003 .014 1 .003 .013 t .003 8 .084 t .003 .017  ! .003 .012 1 .003 .014 1 .003 .013 i .003 .014 .003 9 .010 i .C03 .010 t .003 .010 t .003 .009 i .003 .011 i .003 .012 i .003 to .018 ! .003 .019 i .003 .019 1 .003 .019 1 .003 .019 1 .003 .019 1 .003 11 .013 1 .003 .015 1 .003 .C16 .003 .015 2 .003 .019 1 .004 .014 1 .003 12 .017 ! .003 .015 1 .003 .015 t .003 .010 i .C . .014 1 .003 .010 t .003 13 .C00 1 .003 .00S 1 .003 .C03 1 .003 .0IO i .005 .009 2 .003 .006 i .003 14 .014 i .C03 .011 2 .003 .011 i .003 .011 i .003 .009 1 .003 .010 1 .003 15 .007 1 .003 .010 t .003 .005 t .003 .009 1 .003 .003 1 .003 .007 1 .003 16 .014 1 .003 .0t1 t .003 .0!O i .003 .009 .003 .013 1 .003 .010 i .003 17 .010 t .C03 .010 1 .003 .011 i .003 .010 t .003 .011 i .C03 .012 1 .003 13 .084 t .003 .014 i .003 .015 2 .003 .011 1 .003 .013 1 .003 .015 1 .003 19 .014 1 .003 .012 1 .CO3 .C14 1 .003 .014 .003 .016 ! .003 .013 2 .003 20 .CIS t .C03 .044 i .003 .017 i .003 ,.013 1 .003 .013 i .003 .010 i .003 21 .013 1 .004 .010 t .0C4 .019 i .004 '.017 1 .004 .016 2 .004 .017 1 .004 02 .001 1 .C33 .015 t .003 .015 t .C03 .013 1 .003 .013 t .003 .012 1 .003 03 .006 i .C04 .C37 1 .00'. .029 1 .004 .027 1 .004 .032 ! .004 .031 1 .004 24 .017 1 .003 .019 i .CO3 .015 1 .003 .016 1 .003 .017 t .003 .019 1 .003 05 .01S 1 .003 .017 1 .003 .014 1 .C03 .015 i .003 .013 i .003 .017 t .003 06 .015 i .003 .014 i .003 .016 i .003 .017 2 .003 .015 t .003 .013 1 .005 07 .015 2 .C03 .016 1 .003 .016 1 .C03 .015 2 .003 .016 1 .004 .018 1 .C04 08 .015 t .004 .017 1 .004 .019 1 .004 .017 1 .004 .000 t .004 .015 1 .034 29 .000 t .0G3 .017 1 .003 .000 t .003 .001 i .003 .010 t .003 .000 t .003 30 .c09  ! .003 .010 t .003 .011 1 .C03 .011 1 .003 .010 t .C03 .C03 i .003 31 .010 t .003 .017 1 .C03 .014 1 .C03 .018 i .004 .014 i .004 .016 t .004 30 .CIS i .004 .013 i .C04 .019 i .004 .003 .004 .003 i .004 .004 1 .004 33 .C16 1 .004 .013 .004 .016 2 .004 .009 i .003 .018 t .004 .016 1 .004 34 .015 1 .003 .017 1 .003 .018 i .003 .014 1 .003 .018 1 .003 .018 1 .003 35 .007 i .004 .005 1 .004 .022 t .004 .024 .004 .006 i .004 .009 ? .004 36 .014 i .CC3 .015 i .003 .0C6 1 .003 .015 t .003 .015 i .003 .25 1 .00 121 37 .001 i .CC3 .015 t .003 .023 1 .005 .017 1 .003 .014 1 .003 .015 1 .003 33 .005 t .C04 .C?O i .004 .017 1 .004 .010 t .004 .029 1 .004 .016 i .004 39 .01C i .003 .010 t .003 .014 1 .003 .000 .004 .016 i .003 .018 1 .004 40 .Ct7 1 .003 (t) .013 i .004 < .003 .020 i .004 .003 1 .C04 41 .003 1 .C04 .005 t .004 .005 1 .004 .006 i .C04 .004 .004 .000 1 .004 42 .018 i .004 .003 1 .004 .003 2 .004 .001 2 .004 .000 t .004 .003 2 .004 43 .019 t .004 .0_10 t .004 .007 1 .004 .000 t .004 .002 i .00* .000 t .CC4 44 .000 1 .0C4 .017 2 .004 .000 t .0C4 .016 1 .CC4 .016 i .004 .000 t .004 45 .018 i .004 .C16 1 .003 .017 i .033 .016 1 .003 .018 i .003 .017 i .003 46 .013 2 .004 .017 1 .004 .014 1 .004 .014 i .004 .017 1 .004 .018 1 .004 47 .004 .0C4 .003 1 .003 .007 i .004 .003 1 .003 .020 1 .003 .000 t .003 43 .030 ! .004 .003 1 .004 .009 i .0Cw .006 i .004 .009 .004 .C09 i .004 49 .024 i .004 .000 .004 .005  ! .004 .008 i .004 .004 i .004 .027 2 .004 50 .006 1 .C04 .006 1 .004 .007 1 .004 .007 t .004 .C09 i .C04 .006 1 .C04 i

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i i

TADLE C-V.14 CONCEHIRATIONS OF GROSS BET A R ADICACTIVITY IH GROUP II AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF LIHERILK GENERATING STATICH. 1984 i REOULTS IN UNITS CF PCI/CU.M i 2 SICMA 1SF4 GROUP II - NEAR SITE LOCATIONS 4'fK 4 0001 0601 0901 3101 35c1 1 .C06 1 .004 .03t i .004 .027 1 .004 .030 t .004 2 .003 i .004 .000 i .003 .COI .003 .000 t .003 3 .030 t .004 .0 31 1 .004 .030 1 .C04 .034 1 .004 4 .C01 1 .004 .000 i .004 .000 1 .004 .017 1 .004 5 .013 1 .003 .012 i .003 .013 i .003 .015 i .003 6 .013 i .003 .019 1 .003 .001 1 .003 .019 i .003 .000 t .003 7 .010 t .003 .013 1 .003 .011 i .003 .015 i .003 .012 i .003 8 .013 1 . Cal .013 t .003 .017 1 .003 .011 1 .003 .010 i .003 y 9 .003 i .003 .310 t .003 .009 1 .003 .010 i .003 .C09 i .003 to .013 i .C03 .001 i .003 .0*1 i .003 .018 i .003 .010 t .003 it .013 2 .003 .017 i .003 .017 2 .003 .017 i .003 .023 i .004 11) 12 .014 i .C03 .008 t .003 .015 1 .003 .C00 i .003 13 .009 1 .c03 .009 1 .003 .009 2 .003 (t) .007 1 .003 14 ,010 i .004 .010 t .003 .009  ! .003 (11 .000 1 .003 -

15 .009 i .CO3 .C00 t .003 .008 2 .003 .005 i .004 .009 1 .003 16 .C05 .003 .008 1 .003 .010 t .003 .01f 1 .003 .010 i .003 17 .014 1 .005 .0tt t .003 .012 1 .003 .013 i .003 .011 1 .003 to .014 2 .003 .C13 1 .003 .013 i .003 .013 i .003 .003 1 .003 j 19 .012 i .003 .003 2 .003 .013 i .003 .013 i .003 .010 t .003 00 .016 i .003 .Cl3 1 .003 .016 i .003 .016 1 .003 .016 i .003 01 .017 1 .004 .CIS i .004 .009 i .007 .016 .C04 .016 1 .COS

• 2 .011 1 .003 .011 1 .003 ft) .010 1 .003 .000 1 .C03 23 .033 1 .004 .031 1 .004 .033 i .004 .031 .0C4 .030 t .004 1 24 .Ct/ 1 .003 .016 2 .003 .017 1 .003 .016 1 .003 .013 1 .C03 i'

05 .086 1 .033 .C16 i .003 .017  ! .003 .017 i .003 .014 1 .003 06 .013 1 .003 .013 2 .C03 .015 i .003 .014 t .003 .014 t .003 07 .001 1 .004 .085 2 .003 .016 1 .C03 .C17 1 .003 .014 1 .003

, 08 .003 1 .004 .017 i .004 .019 i .004 .017 1 .004 .005 1 .004 29 .017 i .003 .019 i .003 .019 .003 .018 i .003 015 .003 I

30 .010 1 .003 .007 t .C03 .010 t .003 .0C0 t 003 .003 1 .003 31 .010 i .004 .002 i .004 .015 i .003 .010 i .003 .014 i .C03 32 .001 i .004 .038 i .003 .001 2 .004 .000 t .004 .300 .003 33 .015 i .003 .085 1 .003 .000 t .004 .016 i .004 .014 i .C03 34 .C17 1 .003 .C17 i .003 .016 1 .C03 .017 2 .003 .015 .003 35 .003 1 .004 .C03 i .004 .001 1 .003 .003 1 .004 .000 .003 36 .110 t .006 .C00 1 .C04 .015 1 .C03 .000 t .0C4 .040 t .C07 37 .016 i .003 .013 1 .005 .015 1 .003 .016 1 .003 .015 i .003 33 .019 1 .004 .017 t .004 .C00 i .004 .030 1 .005 .002 1 .004 39 .013 1 003 .01C 1 .003 .000 1 .004 .016 1 .C03 .019 1 .003 40 .C14 i .C03 .019 i .003 .000 t .003 .019 i .003 .017 i .003 f 41 .007 1 .006 .023  ! .004 .000 i .006 .003 i .004 .003 i .004 90 .010 i .004 .C00 .004 .005 i .004 .003 i .CC4 .018 1 .003 j 43 .C21 2 .004 .C10 t .CC4 .000 t .004 .000 1 .0C4 .019 2 .004 i 44 .015 t .C04 .017 1 . 0 0 'e .000 1 . 0 0 '+ .014 i .004 .016 1 . 0 0 'e j a.5 .015 1 .003 .019 i .003 .019 1 .003 .019 1 .003 .016 1 .003 i

46 .017 i .004 .010 t .004 .016 1 .CC4 .014 2 .004 .015 i .004 y 47 .001 i .003 . COO t .003 .CI9 i .003 .006 1 .CC4 .00* 1 .003 43 .000 t .C04 .C27 i .C04 .003 1 .004 .003 i .004 .005 i .004 49 .COS t .004 .003 1 .004 .007 i .004 .007 1 .004 .003 i .004 50 .C06 1 .004 .004 o .004- .009 1 .004 .004 i .004 .006 1 .004 HEAH .019 i .C29 .017 i .012 .013 i .012 .018 i .012 .016 i .011 (1) futP ITALTUNCTIDH

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TABLE C-V.15 COttCENTRATIDMS OF CROSS BETA RADI0 ACTIVITY IN GRDUP III AIR PARTICULATE sat 1PLES COLLECTED IN TIIE VICINITY Or Lit 1ERICK GE!IERATII!G STATICH. 198'e RESULTS IN UNITS OF PCI/CU.H i 0 SICMA l 1904 GROUP III - C0t4 TROL LOCAT10t13 l WEEK 0 1 3114 20G1 l

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2 .017 i .003 .015 1 .003 3 .035 i .004 .034 i .004 i 4 .013 i .003 .018 i .004 5 (13 .010 i .003 6 .002 1 .003 .019 ! .003 7 .013 i .003 .010 i .003 8 .017 .003 .011 i .003 9 .015 1 .093 .011 1 .003

'j 10 .018 .C04 .019 i .003 11 .000 1 .003 .014 i .003 12 .014 i .003 .014 i .003 13 .013 i .003 .007 i .003 14 .017 1 .003 .009 1 .003 15 .012 1 .003 .008 i .003 16 .014 i .003 .008 1 .003 17 .014 i .003 .010 i .003 to .017 ! .003 .014 1 .C03 19 .018 i .003 .010 i .003 00 .019 1 .004 .013 1 .003

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! 07 ft) .012 i .003 20 .000 i .003 .014 1 .004 09 .015 i .003 .016 i .003 30 .017 i .003 .003 1 .003 31 .018 i .003 .015 1 .004 30 .016 i .004 .002 1'.004 33 10) .016 i .004 3<. 004 i .003 .015 i .003 35 .030 1 .0b4 .000 t .004 36 .089 i .C04 .015 .003 37 .014 .003 .015 i .003

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TABLE C-VI.1 CONCENTRAT!0t3 CF I-131 IN AIR IODINE SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STAT 10tl. 1903 RESULTS IN Ll

4ITS OF l'CI/CU.M i 2 SIGMA 1933 GROUP I GROUP II GROUP III MEEK ----------------------------------------- --------------------------- ---=- - ---------------

8 10S3 1151 1451 13C1 3101 13H4 22Gt c 07 < 1 l OS < .00 29 < .01 4

30 < .1 i 3I < .07 1 32 < .03 33 < .03 34 < .03 35 < .00 36 < .003 < .005 < .003 < .007 < .008 < .02 < .00 37 < .007 < .01 < .01 < .01 ( .01 < .08 < .01 33 < .02 < .02 < .02 < .009 < .02 < .03 < .008 39 < .02 < .02 < .02 < .009 < .02 < .02 < .006 40 < .00 < .00 ( .02 < .01 < .02 < .007 < .02 41 < .006 < .01 < .01 < .01 < .08 < .009 < .006 42 < .02 < .02 < .01 < .009 < .009 < .01 < .003 43 < .01 < .01 < .01 ( .006 < .01 < .01 < .005 44 < .003 < .00S < .007 ( .004 < .006 < .005 < .003 45 < .01 < .01 < .01 < .01 < .01 < .01 < .009 46 < .00 < .02 < .00 < .08 < .02 < .03 < .009 47 < .C2 < .02 < .02 < .01 < .02 < .02 < .00 43 < .00 < .00 < .02 < .009 < .00 < .02 < .01 49 < .00 < .00 < .02 < .01 < .02 < .01 < .01 50 < .01 < .01 < .01 < .006 < .01 < .02 < .003 51 < .02 < .02 < .00 < .02 < .02 < .02 < .02 52 < .02 < .02 < .02 < .01 < .02 < .01 < .02 t*EAN < .015 < .016 < .015 < .009 < .015 < .060 < .012

TABLE C.VI.* CONCENTRATION OF I-131 IN AIR IODINE SAMPLES COLLECTED 114 THE VICINITY CF LIMERICK GENERATING STATICN. 198<*

RESULTS IN UNITS OF PCI/CU.M 2 2 SIGMA 19C4 G"OUP I GROUP II G'70UP III WEEK - - =--

8 10S3 11S1 1431 13Cl 3101 35B1 13H4 22G1 t < .32 < .02 < .02 < .01 < .02 < .02 < .00 2 < .01 < .01 < .01 < .007 < .01 ( .01 < .01 3 < .02 < .02 < .02 < .01 < .02 < .01 < .007 4 < .02 < .02 < .02 < .01 ( .01 < .02 < .01 5 < .01 < .01 < .01 < .009 < .01 < .02 < .02 6 < .C2 < .02 < .02 < .01 < .02 < .02 < .01 ( .02 7 < .01 < .01 ( .01 < .01 < .01 < .02 < .01 < .02 8 < .32 < .02 < .02 < .01 < .02 < .02 < .01 < .02 9 < .02 < .02 < .01 < .01 < .01 < .009 < .vi ( .01 10 < .01 < .01 ( .01 < .007 < .01 ( .02 < 02 < .02 18 < .02 < .02 < .02 < .01 < .02 < .02 < .02 - 92 12 < .02 < .02 < .02 < .C2 ft) < .02 < .0* < .0L 13 < .02 < .02 < .02 < .02 111 < .02 < .01 < .01 14 < .01 < .01 < .01 < .01 (1) < .08 < .02 < .01 15 < .03 < .C2 < .02 < .01 < .03 < .02 < .C2 < .02 16 < .02 < .02 < .02 < .01 < .02 < .02 < .02 < .02 17 < .02 < .C2 < .02 < .01 < .02 < .02 < .02 < .02 18 < .C2 < .02 < .02 < .009 < .02 < .01 < .01 < .01 19 < .01 < .08 < .01 < .C06 < .01 < .02 < .02 < .02 20 < .01 < .01 < .01 < .02 < .08 < .02 < .02 < .02

• 1 < .01 < .01 < .01 < .008 < .08 < .02 < .02 < .02 22 < .02 < .02 < .02 < .01 < .02 < .02 < .03 < .43 23 < .C2 < .02 < .02 < .009 < .02 < .02 < .02 < .02 24 < .02 < .02 < .02 < .01 < .01 < .01 ( .02 < .01 25 < .02 < .02 < .02 < .009 < .02 < .02 < .01 < .02 26 < .C2 < .02 < .02 < .008 < .02 < .01 ( .01 < .01 27 < .02 < .02 < .02 < 02 < .02 < .009 t2s < .02 28 < .02 < .02 < .02 < .01 < .02 < .02 < .02 < .02 29 < .01 < .31 < .01 < .01 < .01 < .02 < .01 < .006 30 < .COS < .008 < .008 < .C05 ( .008 < .01 < .02 < .01 31 < .01 < .01 < .007 < .02 < .02 < .02 < .0t < .02 32 < .01 < .01 ( .01 < .007 < .01 < .02 < .002 < .02 33 < .01 < .01 < .01 < .01 < .01 < .009 til < .01 34 < .02 < .02 < .02 < .02 < .02 < .02 < .02 < .02 35 < .02 < .02 < .02 < .009 < .02 < .02 < .006 < .C2 36 < . C '. < .C2 < .02 < .02 < .02 < .05 < .02 < .02 37 < .01 < .01 < .0! < .007 < .91 < .02 < .005 < .02 3S < .02 < .02 < .02 < .02 < .02 < .02 < .02 < .02 39 < .02 < .009 < .02 < .02 < .02 < .009 < .02 < .02 40 < .01 < .01 < .01 < .02 < .02 < .02 < .004 < .00 41 < .01 < .01 < .01 < .00S < .01 < .01 < .01 < .01 42 < .01 < .01 < .01 < .007 < .01 < .02 < .02 < .02 43 < .01 < .01 < .01 < .01 < .01 < .02 < .01 < .02 44 < .02 < .03 < .02 < .001 < .02 < .01 < .01 < .02 45 < .01 < .01 < .01 < .007 < .01 < .02 < .01 ( .02 46 < .01 < .01 < .01 < .006 < .01 < .02 < .02 < .02

• 7 < .02 < .02 < .02 < .01 < .02 < .02 < .01 < .02 40 < .01 < .01 < .01 < .01 ( .01 < .007 < .01 < .01

49 < .02 < .02 < .02 < .01 < .02 < .02 < .01 < .02 50 < .02 < .02 < .02 < .008 < .02 < .02 < .01 < .02 MEAN < .016 < .016 < .016 < .011 < .016 < .087 < .015 < .0l7

81) SAMPLE COLLECTION ERROR (2) FUf1P MAUUNTION I

___ .__ .__ __ . _ _ _ - _ _ , . . _ .m_ __ _

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

s k

TADLE C-VII.1- CChtEHTRATICMS OT I-111 Ill it!LK SAF#L[S [0LLECTED Ita THE VICINITY OF LINERICK GENERATIttG STATICte, 1982 i RE!ULTG !!4 t2:113 Cf- pct /L t 2 SICJ!A t

8 v ItnILe.102 F AL'!!S COLLECTT0ti

?

4 CATE SC1 tcC1 1101 17C2 1701 til 1001 21B1 25B1

.......... ...- _ ............. ..... ....... ............. ............. ............. .....__ _ -= .............

i 08/23/02 < .C6 < .06 < .07 * .05 < .06 < .05 ( .05 < .06 0<+/0 3/2 2 < . 06 < .C6 < .07 < .07 < 2 < .07 < .06 < .06 07/2 7/C0 < .1 < .1 < .1 < .I < .2 < .2 < .t < .1 a

10/06/c2 < .1 < .I < .I < .1 (21 < .1 < .I < .1 itEAtt <'.C3 < .03 < .09 < .08 < 15 < .11 < .08 < .08 I

e> s

{

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! COLLECTICt4 r DATE 36El 9El ' i 9G1 22F1 i 01/03/82 < .06 .< .06 < .06 < .06 04/03/02 < .C6 < .07 < .06 < .06 07/27/82 < .1 < .2 < .09 < .1 10/26/82 < .1 < .1 < .I < .1 *

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I il i:l I .' 1l ) jli! 4ji!  ;' lI  ?

TABLE C-VII.3 CCl4CENIDATIONS OF I-131 IN MILK SAMPLLS COLLECTED Il4 THE VICINITY CF lit?ERICK 094CPATINS STATIO:4. 1963 RESULTS IN UNITS OF PCI/L 12 SIGt1A It0ICAT02 FAFilS COLLECT 10t4 OATE SCI 1001 f t ) 10Cl itEl 17C2 175tiI) ICCl 01/18/83 < .1 (2) 123 f2) (2) < .2 05/17/83 < .05 < .07 < .4 < .06 < .06 4 .06 Ca/02/03 < .06 < .05 < .06 < .07 < .04 < .05 09/11/83 < .04 < .05 < .05 < .03 ( .05 < .05 10/11/83 < .06 < .06 < .05 < .06 < .07 < .05 < .06 10/25/83 < .C5 < .04 < .04 11/CS/83 < .06 < .06 < .05 < .01 ( .06 < .06 ( .06 11/22/33 < .05 < .04 < .05 11/!0/83 < .04 12/13/83 < .05 < .07 < .01 < .06 < .05 < .04 < .06 MEAll < .06 < .05 < .05 < .11 ( .06 < .05 < .03 IfCICATCR FARttS CONTROL FARMS COLLECTION DATE 2188 2501 36Et 9El 9G1 22F1

.__ . = ...... ..... ............. .._ __ == ............. .............

01/18/83 < .09 < .1 (2) (2) 121 (2) 05/17/83 < .0$ 4 .07 < .08 < .07 < .07 - .05 08/02/83 < .07 < .0* < .04 < .06 < .06 < .05 09/13/83 < .05 < .05 < .06 < .04 < .06 < .05 10/11/83 < .06 < .06 < .08 < .08 < .07 < .07 10/25/83 < .05 18/08/83 < .C6 < .06 < .07 < .06 < .08 < .06 11/22/83 < .06 11/30/83 12/13/83 < .04 < .07 < .05 < .06 < .07 < .05 MEAN < .C6 < .06 < .06 < .06 ( .07 < .06 til GOAT MILK FARM (2) LOST IN ANALYSIS i

f l

\

I i

L

O O O O O O O O lO N O O O to O O O O O O O O 'O O O O O M M Ne NN N **e NN N O ** N NN NN N C.

q +4 4 +e i i +e *e a +e +e I +e I ** *a l +1 +e I +e 4 *e +: I +e I + s +i i *e *s a +e e 41 1 t I 1 5 I I i  ! I I t i i to O ON ON O ON ON O ON O ON Om O O O O O O O O O O O O O O g M N 3 3 @ 3 M 3 mN M 3 M 3 e e e- e e e- e e e- ,- e .- e

/4

)

O O O O M Q >3 OJO 4 O 90 " A N C1 N Q e-N ME E M E N M *s V s +6 V +'V s +s V s e-N O O O O N O O O O e ** O A M e e e- e.-

=

m O O O O e O M **

>3 Q O%O N Os N e.1 Q

O e

m3 Qi e-C 3 E E ME NE -

N *i vs +s s +t VN +s v N H N H N O O O O N N O O O O >(

e- O @ d N I e e e= e- e U O O O O G O >3 O >3 O e1 O m3 e4 e C N D N O ** G 4 N T' E N E 3L FC et* +e V s +t V *e V V *t VV $4 e O O O O Q

• • O O O O G G @ 3 N p W .N- e e- e 6*

• U Q O O O m ini M O 1 O o 3( O o3 O C

>B e Ql C  %

et N C( e e A ll2

>4 N ME E NE ME Q O try +e v v ei v +t vs +: y s O N

\l O O O O 4J d O O O O O l=3 N t% 3 N C o.3 M - .- e e-C. 60 C

E CP O O O O O O O O O O O O O C sg e M o *L O 4O 4O w c:e c- e J O *Ji O o.3 O 3 O >J! O 4O>4O JO *J O =L 4 C' N Ql N CJ N C. e Al e Ag e C' s- C{ e C- Cl e C Cs M

. si C M El N El M C E N E' ME E NQ El M El N E' e C W e3

%z +< s +e v v *a v v +e y v +e w +s y v +: yv +e s +. y s+ s +e vs + vv ** s O Os AC e -

M e H H st N. O O O O O O O O O O O O O E f.* E C; O O O O O O O O O O O O O V W aC D W**

• trl @ t% 3 3 Os N 3 M 3 gp y e - e e- e e- M,- e

@ Q e- e e e ,g J3 HM n U E O O O O O O O O O O O O w @

1. O N M O >J O =J. O mJ O ml O 1 O >31 O >J O A O o.4 O m3 O e.-3 O >3 f5 >

MZ We Ae j Ce C ** N Ca e CN C1 **

d Me Cf e CN C e C'W C ** C O

.: .+ *.

wN Q q M- ME Nd.- NE ME E NE Mr E Gi m x g es s +a y s +e v v +e v s e = +e v N +e y v +e v *e vv +>s es v v +e v v ei s la at et 2 C to ca; \ NI O O O O O O O O O O O O e - M NE3 4 c. O O O O O O O O O O O O TM EZ U M e- M 3 0 3 M EO M 4 M AW LA g.3 w g:. e == e e- o- e e - e e N.

• ** e4 C** f5 0 U" 3 sc re. O O O O O O O O O O O O :s E"* O MC e) O qQ >P O 63 O >3 O A O >3 0 .J O3O e :t O e4 O 63 C w **

EU C N C4 e Cc ** Ol8 C ** Q *-

MH 0 CC M

g* N +1 Q

s +6 ME Vv +#

Nd"ME V V +f V v e #

e # +#

NE V b NC Qi ** Q N

+1 V \ +s %

E NE CI N D1 -

d +6 ME V

Ce WQ A N C'i D

s H4d CO i.3

+1 V N +1 Vv +f V N +1 OO e4 N

• C la. E Z e O O O O O O (J O O O O O W U O OM D O O O O O O O O O O O O e-o O A

>2 4 M M 3 3 N M M M

80 in N @ g *

% e *= s= e=

• e- e o~ e= e- e- e- p g f3 Xk H G U U OO O O O O O O O O O O O O et 4 O M to M o >3 O C5 e3 O 63 O@ o1 O e3 Q e.3 O n.3 O mJ O&JO@ *1 0y > c-4 9 p., y se Ce e ch e e Ce . g3, *= . .3, OneO N. nJ g3 e C N e- O e- Ol e ci e .Oe y y u et D* .3 Al' C d E E*

• E E E E E E E E e4 C +#

sc H c ti +# s +s +a -

• a +e v +e +e y a * +, +s v +e +s y +e N +, +e v +e v es +e v es +s v *s s .g2 m fs f.* % L1 f5 EH M O Oh ON Om O@ Oe O OM O DO OM O + CC wU ca trl O O O O r*

• O e O O O O O O U +9 0 0H 3 3N 3 3 3* 3 o- 3 Os M 3N 3 @

g> e .- e e e- e.- e e- e ,3.** e. -

• 4 g.a =g3 43 O ceu O f=3 O O O O O O O O O ll".

M C >A O >J1 O *J O >3 0 O O3O O O O vue

.J m3 o.3 O >; o >3 O >3 O J f3 4 p., ca e e C# e *- c' e c! N Q ** A NA e Al e C N 0% C Ne CT e C E ** e4 ecel

% eC L d ** d * * ** E ** E E e E E

• E E E 3 O. O 3x e *y u+ s +s +# s +e v 5 e o +a y s +e y y +e v +a y y +e v +e y y +e +i V +t N E U

.M e

,e in w s O O3 . '

oN O O O O O O O OM O C ts w H i e O O O O O O O O O O O O e4 30

> M 3 3 M 0 4 M M m m E H

, t - e- e e- 3- e == e e ei- 3- e-O h M 6 E r* If, M N 4A N M M N m M bq e4 80 W

%40 Iq 64 OM MOM N OM MO N OM N OM N O N OM wo u b tri OM w OM wo u t%

1. g O +

Iml e4l 2 L: 3e L ' 3 ** ts ' 3 ** Lb 3 L 3*** L 3 ** t3 L 3 ** Lk 3 L4 3 e % 2 ** tt 3 L U ** tt

>3 (M 4 I t dI i 4; I i 41 8 4 1 3 4 1 1 4 3 .C i 1 4! l 41 t 6 4 1 1 4 8 4 ed ars 33  :.: d.12 n ~ u a vi "4 m +1 x

• 2** xu-2* xmex*xavuuvx* n. c sc c' OC O C6. OC C UC OC C UC O OO OO O > O e4 t< C 4J +4 f5 0 +3 ;3 g ei e e e ** e e e N e **

• e e N (3 43

+J El In3 O la3 O II3 O Int O A O c4 In. ful O 4J U f3 E@ m to sb O e is b eo e- N 4A $n. M og nyM o.

e *= e e e e N N N e n n O ' *

• eA N

TABLE C-VII.5 CONCENTRATIONS OF I.131 IN MILK SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERAT!tG STATION, 1984 RESULTS IN UNITS OF PCI/L i 2 SIGMA INDICATOR FARMS

_=......... ___ .-__ __ -- ___ _

_=....................

COLLECTICH DATE SC1 1081 11) 10Cl 1101 11Et 17C2 1701 (1) 18C1

.......... _ =.. =_ ___ ............. ............. ............. ............. .............

01/10/84 < .03 < .03 < .05 < .04 < .04 < .04 < .04 02/14/84 < .04 < .03 < .03 < .04 < .04 (2) < .05 03/13/84 < .03 < .02 < .03 < .02 < .06 (3) 06/10/84 < .05 < .04 < .03 < .05 < .03 < .03 04/26/84 < .06 < .05 < .05 05/08/84 < .05 < .03 < .03 < .04 < .04 < .05 05/22/04 < .04 < .04 < .05 06/05/84 < .04 < .04 < .05 < .05 < .05 < .06 06/19/84 < .03 < .03 < .04 07/03/84 < .06 < .06 < .08 07/l7/84 < .05 < .04 < .04 < .08 < .04 < .09 07/31/84 < .05 < .04 < .C5 08/14/84 < .05 < .05 < .06 < .07 < .05 < .05 08/28/84 < .03 < .03 (2) < .03 09/11/C4 < .05 < .04 < .04 < .05 < .04 < .04 09/25/84 < .03 < .03 10/09/84 < .03 < .03 < .04 < .03 < .03 < .03 10/22/84 < .03 < .33 11/06/84 < .05 < .05 < .04 < .08 < .05 < .05 11/20/04 < .03 < .02 12/11/84 < .04 < .03 < .04 < .06 < .04 < .04 MEAN < .04 < .04 < .05 < .04 < .05 < .04 < .04 < .05 ItCICATOR FARMS CONTROL FARMS

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

COLLECTION DATE 21B1 2581 36Et 9Et 9G1 22F1

.......... - - = - ___ ..._ ............. ............. -- _

01/10/84 < .05 < .03 < .05 < .05 < .04 e .03 02/1*/84 < .05 < .04 < .05 < .05 < .05 < .03 03/13/84 < .02 83) < .05 (3) < .03 < .03 < .03 < .03 ( 3) 04/10/84 < .03 < .05 < .04 < .05 < .03 < .03 04/24/04 < .05 05/O S/84 < .05 < .09 < .04 < .05 < .04 < .03 05/22/84 < .05 06/05/84 < .1 < .06 < .06 < .05 < .08 < .05 C6/19/84 < .04 07/03/84 < .07 07/17/84 < .05 < .09 < .06 4 .06 < .05 < .05 07/31/C4 < .04 08/14/84 < .04 < .05 < .08 < .07 < .06 ( .06 05/28/84 < .04 09/11/84 < .04 < .05 < .05 < .05 < .04 ( .05 09/25/84 < .04 < .04 10/09/84 < .03 < .03 < .04 < .03 < .03 < .03 10/22/04 < .03 < .03 11/06/84 < .05 < .05 < .06 < .06 < .06 < .05 11/20/84 < .03 < .03 12/11/84 < .03 < .04 < .04 < .05 < .04 < .04 MEAH < .05 < .05 < .05 < .05 < .05 < .04 I

(11 GCAT f* ILK FARM (21 FARM OISCONTItAJE0 t31 COLLECTION OATE WAS 3/14/84

I o o o o o o o o 3 " N ** "

oo A A A A N +1 C +1 C +1 C +e A M 3E E E E N oVy oV ov ov

& o o o o N c ** M o o o o o o o O 3 e e .- e w A A A A N +B C +1 A +B A +1 C Ln NE E E E N ov% oy oV oN e o o fo o N 3 M 3 o o o o a 3 o o o o W oc e " N "

H N A A A A s U N +1 o +1 A +1 Aj +t C t W N ME E r E C A N ovv oy ov oV 3 A kn o o o o o O .N 3 kn N H U " " " "

9 M o o o o O W o o o o C A3 3 e N " "

D. to to A A A A C Eo N +1 O +a A +1 C +1 Q C ac - so NE E E E W M N oyv oV oV oV

. En o o o o H u= - Ln M N O AO " ~ " " +4 HH aC EH E o o o o o o o o o o o o e at o 3 o o o o o o o o o o o o C ZH H CC ** ** " " N " " N N N e N 4 HM M N A A A A eA A A A A A A A U o +1 C +1 A +6 A +1 C +1 C +6 O +B C +1 C +e C +s A +t Q +I Q W

1. 0 N " E 3 E E E E E E E E E E E N j MZ N oy oVV oy oV oV oy oy oN oy oN oV oV e MH +1 3 o o o o o o o o o o o o n W $4 N 3 N 3 W M 3 LO kn LO M @

H aC e4 " " " '* " ** " " " " *- ** M H O.' N G HW -et O O o o 5 EZ U 3 o o o O et WW & 40 "@ N " " e-4 o N A A A A u aC b 3 +1 +6 C +f Q +1 Q +1 Q 3 Eu O

• E E E E C EU N ooV oy oy oV aC H M M o" o o o H c2 H M LO 3 3 0 W H " " e- -

bE  % M OH D o o o o e4 A 3 o o o o G M Z 40 ** N " o- >

Xk H N A A A A G OO 3 +1 Q +1 C +1 A +1 A ei H M "

ME E E E H >e H N oVV oy oV oV e et H A N O O o o e4

%H D ** LO 3 3 4 Hg M - - e-- .- g ZH W #

WU CC o o o o o o o o o o o o o O OH 3 o o o o o o o o o o o o o C Z> e0 - p 3 N w N - - e w - e e- N v O N A A A A A A A A A A A A A G UW o +1 A +1 +1 A +1 C +1 C +1 A +1 C +1 O +1 C +a Q +a A +1 Q +1 C +t A *3

=

• E E E E E E E E E E E E E t< N oy oeV oV oV oV oV oy oy oy oV oy oy oy E .

- o o o o o o o o o o o o o 3e eZ N 3 kn M & 3 M M - 3 N 3 Ln E .

.H == w w w e == w e e e e e e= eq H H CH H C *e4 H

> T & M Ui m M M M V: M M m m M lt: GX O

I -r4 e4 3 o oM N oN ob oN oN oN O w oN O N oN O N oN oN 1 f.

3" W 3 C 3 G 3 L 3 L 3 C 3@ 3 L 3 G 3 G 3 G 2 C 3 G e4 U U l 4$ 8 8 4 I 4 6 4 1 4 4 4 1 4 1 4 6 4 1 4 1 4 1 4 8 4 1 4 4 W 3 :c o u m e uv ue :e v ue uv ue ue :c e : e :e e :s e ue oe A 2 O UO O O O O O O O O O O O O et e-t n 44 aC

>. 4 H C &H O N

,,,c - - - - w w N w e w - e N g i 4& W U *

• A U A W U A U m N m O e g E c 44 W D o o e* ** b b CO ** N W b M U 3 M C' o " " " " " " ** N N N f*

OZ A

I f l

L

l o o o o o o o o o o o o o o o o o o o o o o o o N NN M e N N N LO N M M M C

c +1 i +1 +1 l +1 1 +1 i +e I +t i i +1 I +1 1 I I +1 I +l i +1 i +t I

@ l l i I i i i i t I i l i I i E o O3 o o o o o o o o o o o o o o o o o o o o o o M N 3 M LO M 3 M 3 m 3 3 e e w w w e e w e e e e=

o o o o Q 3 o o o o W c w a N - N E-c N A A A A '

O e +i + t Q +1 C +1 C +4 Q t W e E E E E C A N o-V oV oV oV 3 A N oe o o o O O e N 4 M LA H U - e - -

4J L1 o o o o O M 3 o o o o C A3 <o - N N e

% 40 N A A A A T E Ch c +t c +4 C +1 O +t A C cc - N ME E E E N L1 e oyv ov oV oV

. - o o o o N MZ 3 L0 co M O AO " " " " M MM <

EB E o o o o o o o o o o o o e ac c 3 o o o o o o o o o o o o &

%H H co - - - - N - - - - - - -

a H L1 L1 N A A A A A A A A A A A A o d +e C +1 C +1 C +1 Q +1 A +6 C +t C +1 A +t C +1 O +1 Q N

• O N N E N d +e C E E E E E E E E E E d L1 % oj o V oy v ov ov oV oV oV oV oV oV oV oV W mH +s e o o o o o o o o o o o o n WH 2 N M M N M M o M N 3 N H ,c 4 - - - - - - - - - - - - un H 6% N Q HW H o o o C EZ U 3 o o o H WW m e - N - e4 o N N A A A U st A e +t C sC +4 C D Ex W C - ME E E C EU c N oVv oV oy at M st L1 C- O o o H e Cr: A H N c cr O W H - - -

6E Z U1 OH D o o o o e4 A 3 o o o o G Li Z Co " *- * -  :>

2k H N A A A Q OO 3 +6 C +1 C +1 C +1 C e4 H L1 e NE E E E H >e H N oVV oV oV oy c at H A to o o o o e4 mH o N 3 N 3 .O HZ 41 " " " e d

%H W 4J WU C2: o o o o o o o o O UH o o o o o o o o W

% :D 3 " " " N N N e N 4J O (C A A A A A A A A G UW N +s C +e Q +t C +1 A +1 O + C +1 Q +1 O t Z b E E E E E E E E H N OV oV oV oV oV oV oy oV E

• b o o o o o o o O 3" c 2: N 3 M A O 4 N O G *

. c4 e~ e e e e e e e .,4 H H CH H C HH

D C M N Li Li m M U M M M Le U to m E >C 1 r4 oN OM N O N o oN O N O N O N oN oN ow oN oN oN I U H

3 C o ia

i a 3" C 3 G ia 3

i 3

.C i _

Q3i C3 C 3@

.m i e se 3 G i .c 3 G ia 3 C ia 3 C ia 3 C ia 3 G ia MU a

W a

= xv xm& Mv xv: * :.:

• x v 2v x 4> xv x+ :.:

• xv x& uo Z C UO O O O O O O O O O O O O et e-4 CQ m .O v4 >e d H C 43 H O N H C; " " " " " " " " N '-

" " " " NW 4J .C W U W D CQ U Q W U Q U CQ W CQ OW cE c LO CN CD o o " - N & co - N LA 6 m o; M e e e - e * - N N N M CZ A

s TABLE C-VIII.1 ANALYTICAL DATA FOR WELL WATER SAMPLES

• COLLECTED IN THE VICINITY OF LIMERICK GENERATING STATION, f*82-1984 RESULTS IN UNITS OF PCI/ LITER i 2 SIGNA GANNA STATIDH COLLECTION AQUEDUS H3 HUCLIDES CDOE DATE 1851 04/28/82 < 60 ALL < NDL 10/28/02 < 70 ALL < HDL NEAN < 65 -

04/04/83 < 70 ALL < NDL 09/26/83 < 80 ALL < MDL NEAN < 75 -

04/23/84 190 i 70 ALL < HDL 11/06/84 < 30 ALL < NDL MEAN 110 1 226 -

GANNA STATION COLLECTION AQUEOUS H3 HUCLIOES CODE DATE 18At C4/28/82 < 60 ALL < NDL 10/28/82 < 70 ALL < NDL NEAN < 65 -

04/04/83 < 70 ALL < NDL 09/26/83 < 60 ALL < NDL MEAN < 65 -

04/23/84 140 1 70 ALL < NDL  ;

11/06/84 100 1 30 ALL < NOL NEAN 120 t 57 -

k

_ _ - _ _ . _ _ _ ..____m_

i l

TABLE C-IX.1 CONCENTRATIONS OF GRMMA EMYTTERS* IN-VEGETATION SAMPLES j COLLECTED FROM LOCATION 11S1, LIMERICK GENERATING STATION, 1982-1983 i

RESULTS IN UNITS OF pCi/g (WET) 1 2 SIGMA I ,

4 i

4 .1982 Sample

, Nuclide Type 5-26-82 8-25-82 9-16-82 10-15-82 Mean t

K-40 leafy vgt 1.7 1 .2 1.4 1 .2 1.9 ! .4 2.0 i .2 1.8 1 .5 Others- <MDL <MDL <MDL <MDL --

1 i 4

1983 l i

Sample Nuclide Type 7-8-83 8-1-83 9-13-83 9-26-83 Menn K-40 leafy vgt 3.6 i .7 2.9 i .3 2.5 i .3 3.5 1 .4 3.1 1 1.0 1

root crop 6.1 1 .8 4.9 1 .5 3.1 1 .3 2.7 1 .3 4.2 1 3.2 i Be-7 leafy veg <.3 <.09 <.02 .09 1 .05 .1 i .2 j root crop <MDL <MDL <MDL <MDL --

Others leafy vgt <MDL <MDL <MDL <MDL --

toot crop <MDL <MDL <MDL <MDL --

j i

) *For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

4-

TABLE C-IX.28 CONCENTRATIONS OF GAMMA EMITTERS

• IN VEGETATION SAMPLES COLLECTED FROM LOCATION 1151, LIMERICK GENERATING STATION, 1984 RESULTS IM UNITS OF pCi/g (WET) 1 2 SIGMA Sample Nttelide Tvoe 5-29-84 6-25-84 7-18-84 7-31-84 8-28-84 9-25-84 10-30-84 Mean X-40 leafy vgt 4.1 i .4 4.3 i .4 3.1 1 .3 3.0 2 .3 1.8 2 .2 3.2 2 .3 3.7 2 .4 3.3 1 1.7 root crop 2.3 1 .2 1.8 1 .2 2.4 1 .2 3.2 1 .3 .77 1 .08 2.1 2 1.8 Be-7 leafy veg <.03 .16 1 .08 <.02 <.04 <.03 <.04 <.05 .05 1 .10 root crop <MDL <MDL <MDL <MDL <MDL --

Others leafy vgt <MDL <MDL <MDL <MDL <MDL <MDL <MDL --

l root crop <MDL <M'Ls <MDL <MDL <MDL --

• For typical minimum detectable levels of nuclide: searched for and not found, see Table C-XIII.1.

TABLE C-X.1 CONCENTRATIONS OF GAMMA EMITTERS

• IN GAMF SAMPLES COLLECTED FROM LOCATION 26S5, LIMERICM GENERATING STATION, 1982 - 1984 RESULTS IN UNITS OF pCi/ gram (WET) 2 2 S GMA Sample Nuclide Type 11-18-82 12-27-83 11-8-84 K-40 Rabbit 2.7 1 .3 3.6 1 .4 3.1 1 .3 Others <MUL <MDL <MDL

• For typical minimum detectable levels of nuclides searched for and not found, see Table C-XIII.1.

I

l TABLE C.XI.t MONTHLY AMBIENT GAMMA PADIATIDH LEVtLS IN THE VICINITY OF LINESICK GENERATING STATION.1982 I

RESULTS IN LNITS OF FIRADS/5fD. MONTH 2 95% C.L.

STATION 82 82 82 82 82 82 82 82 82 82 83 CODE EQV.MO. AVG. 01/16-02/13 02/13-03/13 03/13 04/09 04/09 05/08 05/08-06/12 06/12-08/03 08/03-49/04 09/04 10/06 10/06 11/02 11/02-12/08 12/06 01/12

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

281 7.6010.77 6.8120.67 7.8111.12 7.3120.64 7.1710.46 7.5110.19 7.8610.47 7.9210.73 7. 9&t o . 39 7.95tl.27 7.7411.24 7.25t 0.71 2tt 6.17 2 0.57 6.5120.62 5.9110.70 6.1510.52 351 7.55 2 0.82 6.8ste.32 7.90tt.01 6.7220.33 7.3&to.98 7.6420.59 7.6510.46 7.5210.89 7.9710.30 7.8420.81 7.7120.77 7.6820.40 4Et 7.85 2 2.51 9.4220.78 7.2228.33 7.26to.70 5HI 9.47 i 1.37 8.4720.85 9.75t o.6 3 8.8521.14 10.3110.58 9.5611.19 8.6720.40 10.2028.04 10.06t0.41 10.2120.81 9.7111.76 8.8721.63 551 7.18 i f .02 5.8510.78 7.2010.45 7.0520.53 6.7010.61 7.4120.33 7.7620.25 7.4720.46 7.2220.63 7.3520.57 7.4121.91 6.9620.96 6C1 7.95 1 1.22 7. 0st e. 96 8.1820.77 7.4120.73 6.99t0.92 8.04to.25 7.6620.90 8.4120.46 8.9020.52 8.5010.54 8.3120.53 7.9111.11 7Et 8.12 2 0.78 7.9110.71 8.1120.54 8.0220.30 7.8620.61 8.62 0.84 8.8120.26 8.1910.76 7.6410.56 754 8.59 2 0.55 8.3020.14 8.66t0.35 8.3620.80 8.2110.30 9.0620.13 8.7620.38 8.5611.16 8.2220.88 8.8920.56 8.5711.04 8.7110.82 9CI 7.86 1 0.99 7.1320.38 7. lat o .69 7.4020.86 7.9511.12 8.0120.98 7. 8 4t o . 75 8.3120.32 8.1720.68 8.8820.47 7.5720.72 7.8220.92 1018 8.03 2 1.01 6.92ic.91 7.6110.62 7.5810.86 7.7910.65 7.8620.71 8.5620.22 7.9210.64 8.0210.54 8.2511.07 8.5920.68 8.5110.93 10F3 7.90 1 0.58 7.82tt.05 8.04t0.79 7.4510.36 8.0820.64 7.6210.82 7.8510.23 7.e6tc.66 7.7710.65 7.8411.08 8.5220.67 8.1110.27 1053 8.41 1 1.02 7.5920.57 8.6510.59 8.2710.84 7.9720.44 8.0110.84 8.2510.66 9.0111.13 9.1821.39 9.0710.71 8.4811.83 8.1110.50 1151 9.09 2 1.07 8.4 tic.60 9.6820.78 8.75tt.90 8.95tt.33 8.6920.28 8.9210.36 9.4720.76 10.0120.73 9.6621.48 9.1620.92 8.4 9? t .40 11C1 5.82 2 0.72 5.4220.56 6.3510.56 5.3720.55 5.9120.78 5.3521.12 5.6120.24 6.1220.20 6.2420.39 5.6520.76 6.1220.81 5.8Eto.50 13Et 7.9620.77 8.2520.66 8.36tt.41 7.8120.91 7.5210.67 1451 7.20 t 0.77 6. 7E2 0.41 7.6010.76 6.6920.75 6.5620.81 7.4510.67 7.2510.25 7.2121.43 7.4Etc.64 7.7721.00 7.1710.31 7.1710.48 1401 8.30 2 1.11 7.05tt.85 7.6018.83 8.5520.67 8.0010.87 8.7820.52 8.1420.44 8.6220.75 8.9410.87 8.50tt.09 8.5910.59 8.3810.84 16Ft 8.14 2 1.04 7.0911.34 8.54to.43 7.5910.84 7.7720.64 7.7811.03 8.5220.33 8.8520.25 8.41ic.29 8.5111.90 8.1721.56 7.9410.86 1652 7.12 2 0.82 6.4920.32 7.3120.29 7.6620.92 7.24to.88 7.1520.50 6.8120.33 7.2120.41 7.2820.38 7.4B10.24 7.5420.57 6.4120.48 1781 7.63 1 0.60 7.0120.86 7.7110.40 7.6120.33 7.8120.41 7.9120.12 7.6110.47 7.6011.61 7.7520.66 8.0720.87 7.5811.08 7.2111.36 IBG1 7.6910.81 7.4510.71 7.8819.05 7.0711.34 7.4610.91 8.2420.79 7.0620.4J 7.8610.45 7.6920.59 7.99ic.39 8.1920.51 7.8820.72 1851 6.9620.74 6.2 7t t .38 7.2721.17 7.1 t21.45 7.1210.40 6.8110,20 6.7510.18 7.0220.56 7.5S20.64 7.1410.19 7.1911.36 6.5121.91 1901 7.37 1 0.85 6.4920.59 7.66tt.11 7.2510.92 7.2921.41 6.9721.27 7.5120.21 7.9810.71 7.54t0.25 7.5820.67 6.9720.68 7.76t0.99 2001 7.06 2 0.81 6.6510.47 7.3710.72 6.2510.55 6.2610.84 6.9610.25 6.9510.39 6.9920.58 7.4020.79 7.8120.44 7.2120.45 7.1220.64 I

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TABLE C-XI.t 790NTHLY Ate!ENT gat 9tA RADI ATION LEVELS IN THE VICINITY Of lit 9ERICK CD4ERATING STATION.1982 RESULTS IN UNIT 5 OF P1 RADS /STD. F10HTH 2 95% C.L.

STATION 82 82 82 82 82 82 82 82 82 82 83 CCCE EQV.t10. AVG. 01/16-02/13 02/13-03/13 03/13-04/09 04/09-05/08 '5/06-06/12 06/12-08/03 08/03-09/04 09/04-10/06 10/06-11/02 11/02-12/08 12/08-01/12 ...........

- _- _ _- ._ = = ........... ___ ........... ........... .. ...... -- --=_

20Ft 7.85 2 0.94 6.80f 0.19 8.0910.68 7.5120.49 7.9121.22 7.5820.68 8.0920.21 7.4920.36 8.1820.49 8.2310.22 8.4720.73 7.6820.72 l 2151 6.81 2 t.14 6.3020.75 7.1220.68 7.5010.75 6.78ie.72 6.9810.74 6.3010.41 5.6710.50 7.0810.61 7.6310.39 6.9720.80 7.0711.22 r

22GI 7.22 2 0.86 6.3110.56 7.7920.86 7.2120.89 7.5410.60 7.0620.50 7.0110.50 7.5120.69 7.3810.08 6.7210.57 7.6320.82 7.2621.05 l i

2352 7.32 1 0.59 6.7420.64 7.1720.75 7.2120.58 7.2921.19 7.5420.57 7.2110.22 7.3920.50 7.5520.64 7.8620.86 7.5221.18 7.0511.08  ;

I f

2401 6.94 2 0.79 6.2120.40 6.9810.38 Ell 6.8620.92 6.8120.75 6.7010.30 7.1510.44 6.7310.68 7.6611.31 7.3610.70 7.0911.19 2501 6.59 2 0.66 6.2420.74 e .5410.6 0 6.5620.86 6.9811.04 6.3820.84 6.3810.16 6.0110.37 6.6820.37 6.8420.65 7.0910.37 6.8311.04 I 2551 6.991 t .82 5.4 t 2 0.18 7.6220.72 7.5210.74 7.0711.30 7.3610.66 2681 7.47 1 0.70 7.0110.79 7.8420.22 7.5320.92 7.tett.04 7.3610.95 7.9120.17 6.9220.43 7.3320.70 7.9711.20 7.5620.73 7.3820.77 2653 6.76 2 0.93 5.8720.89 6.8111.ts 6.1520.40 6.3720,62 6.7720.20 6.9320.38 7.4010.79 7.39t 0.80 6.8121.66 6.8710.53 6.6020.79 2802 7.2920.97 6.4120.95 7.08t0.44 7.0210.42 7.6520.18 7.9121.20 7.4820.24 6.7710.60 7.8220.51 7.7221.67 7.2121.45 6.8620.40 2981 7.36 1 0.82 7.55t t . 0 3 8.0310.48 7.1220.23 7.3020.89 7.0920.71 6.9821.18 7.5021.16 7.3720.51 8.2720.61 7.1020.67 7.1521.58 29Et 7.2721.11 6.3810.91 7.5120.60 6.9920.39 7.4810.98 7.3110.57 6.4520.32 7.1811.78 7.9420.68 8.24t0.88 7.5211.28 7.4410.79 2951 6.68 1 0.94 7.4220.40 6.0020.76 6.6510.91 6.4820.43 7.0210.32 6.7510.27 7.0820.51 6.2120.69 6.9120.58 6.0610.73 j 31DI 10.01 2 0.31 9.8911.34 10.2810.55 10.0511.23 9.9620.58 9.8920.22 3102 8.21 1 0.60 8.1720.64 8.6620.65 7.9710.74 7.9211.25 8.30tt.26

( 32G1 8.0711.13 6.7710.58 8.6510.43 7.5910.43 7.8711.83 7.9910.47 7. % 20.39 8.4010.61 8.4111.49 7.7311.08 8.7620.29 8.36to.79 i r r 3251 5.4221.03 5.2920.09 6.5420.35 5.4120.32 5.5020.34 4.6810.58 5.4320.30 5.3910.26 5.1820.77 34Et 7.6621.35 8.2820.27 7.8720.68 6.9620.59 3452 8.07 2 0.68 7.4721.09 8.5720.50 8.0120.89 8.0229.35 7.9810.72 8.4320.14 7.9420.98 8.2420.47 8.2010.57 8.2510.92 7.5010.99 3581 7.95 2 1.33 7.0110.95 8.0011.07 ft) Ett 7.7810.67 8.0410.47 7.29t c .79 8.7710.70 8.7510.97 til (28 i

l 35Ft 8.52 2 f.43 8.2911.13 8.3310.31 8.7520.96 8.3821.01 8.7710.65 7.5220.32 7.5720.58 9.8110.58 9.1911.68 9.4621.62 8.2711.06 ,

i i

! 3651 8.03 2 0.98 6.8020.50 7.7311.03 7.7711.24 8.3820.39 8.1310.8% 6.0410.19 8.3410.38 8.7410.68 8.1220.69 8.1520.17 7.93tt.15 i 01/15-02/12 02/12-03/12 03/12-04/12 04/12-05/07 05/07-06/14 06/14-08/02 08/02-09/03 09/07-10/06 10/06-11/02 11/02-12/10 12/10-01/14

.. ....... ......... ........... ...... ..... .... ....-...... == _ _ ........... ........... ..__ - ....... ..

13M3 5.4421.49 5.7110.72 4.4920.41 5.9320.76 5.4910.58 6.0220.05 5.8810.72 5.4110.37 5.1810.47 3.6220.51 5.2620.48 6.0720.44 ,

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TABLE C-XI.2 NONTHLY APSIENT G679tA TADIATION LEVELS IN THE VICINITY OF LINE21CK GENERATING STATION, 1983 RESULTS IN UNITS OF NRA05/STD. MONTH 1 95% C.L.

83 83 83 83 83 83 83 83 84 STATION 83 83 83 CODE EQV.NO. AVG. 01/12-02/01 02/01 03/03 03/03-04/05 04/05-05/10 05/10-06/07 06/07-07/05 07/05-08/03 08/03-09/08 09/06-10/04 10/04-11/01 11/01-12/06 12/06-01/03 7.0120.90 8 4610 0 0 810 6h 5 9 to 33 8 110 88 9 210 51 2910 28 8 8510 35 011h 8 620 32 20F1 01203 6.7010.43 6.3710.42 7.2510.59 5.6710.38 6.0011.30 5.1410.97 7.46?0.41 8.1110.63 5.66to.29 8.1810.34 5.1810.64 7.06tl.37 2151 6.55 1 2.13 6.4210.21 6.4810.86 8.1210.65 6.5810.41 6.4210.98 5.6120.11 8.1010.49 8. 33t o . 6 7 8.05t3.48 7.6410.75 6.56t0.85 7.7710.84 22G1 7.23 i 1.77 7.0420.40 6.6410.48 8.2110.86 6.7910.66 6.6711.26 6.0720.23 8.2611.37 8.5810.80 6.64t0.33 8.4511.43 6.6711.47 7.6810.62 23S2 7.28 1 1.87 6.1410.35 7.0710.39 6.8611.28 5.6610.32 6.8011.19 8.4210.44 5.7610.52 7.70io.94 6.1221.57 7.0810.60 2401 6.78 1 1.58 6.1510.36 6.56to.39 6.6120.53 6.5210.58 6.70t0.81 5.3810.3% 6.3520.34 5.5310.39 7.0111.07 7.0710.59 5.9420.74 7. 2 9t1.46 5.7410.82 6.3C10.81 25DI 6. 34 1 f .2 3 6.2510.87 ft) 6.3210.75 7.0710.20 6.1610.90 6.6610.61 6.7210.75 7.5710.86 8.68k2.25 7.5021.34 8. 28i o . 97 5.9010.51 7.0510.9t 2551 7.07 1 1.66 7.1021.13 i 6.5710.91 7.8610.99 7.3710.33 6.7510.31 6.5411.22 8.5910.35 9.5210.52 6.9111.95 8.0111.75 7.49 1.77 7.0011.08 2681 7.54 i 1.78 7.1810.55 6.3810.68 7.50to.63 6.7210.61 6.3410.14 6.2710.67 7.1011.14 7.5420.84 7.1511.83 6.8611.26 7. 28t 1.18 6.9110.58 l 2653 6.88 1 1.02 5.9710.88 6.8510.41 6.8310.96 6.7110.33 6.3721.38 7.f811.37 7.90f 0.92 6.15f0.42 8.3720.62 6.15it.56 7.11i6.70 2802 7.06 1 1.57 6.3611.32 8. 2 9t l . 70 6.1220.27 7.6110.44 7.5110.37 7.1120.32 6.44t1.48 8.0111.98 8.45to.65 7.23tt.64 8.4410.88 7.14tl.29 7.9510.32 2981 7.45 1 1.46 6.9710.80 7.5&to.56 8.f610.29 5.9410.46 7.1210.21 6.1610.71 8.25to.79 7.87t1.59 6.6710.50 7.8510.70 7.36t1.96 8.2711.49 29El 7.35 i 1.63 a.6210.34 6.66 0.61 7.9820.67 6.5&to.71 5.24t0.21 8.0810.97 7.4510.84 5.4610.22 7.7921.05 6.55tl.77 7.2610.96 2951 6.80 t 1.94 6.7111.16 5.65 0.33 9.5% i 2.27 9.5710.46 8.9&t0.53 9.84t1.57 8.93tt.75 8.8710.49 7.2&to.57 10.5&io.77 11.1011.38 8.1111.30 10.5610.80 9.5110.77 10.65t 1.15 3101 3102 7.93 + 2.43 8.8110.99 7.59 0.68 9.1010.49 7.4711.30 7. 3 9t t . 38 5.9810.54 9.3311.91 8.9920.42 6.8411.69 9.0711.64 6.0710.15 8.7611.28 7.3710.21 8.5510.74 7.5411.19 6.53t0.15 7.1111.44 8.6111.01 8.9610.57 7.6320.64 9.8711.76 6.7110.92 8.35to.92 32G1 7.90 i 1.97 7.43t1.19 5.2120.46 4. 95t o . 96 6.8810.25 3.9511.07 6.0020.32 6.0110.77 5.2120.58 6.5310.86 5.1210.94 5.9020.67 3251 5.64 1 1.6% 5.5510.77 6.3410.14 7.55 1 2.43 7.6110.81 6.79 0.32 8.6821.05 7.3710.47 6.6 9t 1. 26 5.1710.11 8.5410.83 8.8410.28 5.8410.34 8.7520.43 7.2410.33 8.4910.57 34Et 8.52 1 4.12 7.0010.43 8.3910.77 9.1210.82 8.1710.45 5.46i0.16 7.2511.26 8.3911.24 9.5920.42 6.5210.94 7.9110.85 13.80 t l . 94 8.43t1.03 3432 8.00 1 1.75 7.6 9t l .16 6.5010.66 8.46to.35 7.7110.57 7.1810.72 7.1010.88 8.8411.62 9.3710.36 7.02io.26 8.4610.34 8.46tl.06 8.5910.66 3531 8.0910.49 8.3111.89 7.6111.26 8.3510.84 7. 31i t . 37 9.9911.69 10.2011.29 7.63tt.76 9.8810.86 8.3711.00 9.1820.62 35F1 8.62 1 1.97 8.1210.98 7.2110.99 8.9210.85 7.61io.53 7.2721.39 7.1211.85 8.4510.94 9.2711.02 7.4+11.86 8.7722.00 7.31t1.88 8.3011.07 1638 7.98 1 f.50 7.76 0.75 01/11-02/03 01/31-03/07 01/02-04/06 04/04-05/18 05/11-06/30 06/03-07/06 06/30-08/0 3 08/01-09/t 5 09/08-10/03 10/03-11/02 11/02-12/05 12/05-01/03 5.4221.40 2.9410.11 6.2510.12 (25 5.5010.22 6.7110.55 6.3420.63 5.5010.92 6.1210.78 5.60t o .6 9 6.1210.46 13H3 5.65 1 1.99 5.4610.70 ft) COLLECTION DATES FOR 25St WERE 4/04-5/10/83

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TABLE C-XI.3 NOHTHLY AMBIENT GAMMA RADIATIDH LEVELS IN THE VICINITY OF LIMERICK GENERATING STATION, 1984 RESULTS IN UNITS OF NRADS/S10. NONTH t 95% C.L.

84 84 84 84 84 84 84 STATION 84 84 84 84 01/03-02/07 02/07-03/06 03/06-04/03 04/03-05/01 05/01 06/06 06/06-07/04 07/04-08/07 08/07-09/04 09/04-10/02 10/02-11/03 11/03 12/02 CODE EQV.MO. AVG.

........... _ __= ........... ........... ........... ........... ...........

5.6210.86 6.9810.63 6.4911.38 6.7510.99 7.6510.97 281 6.91 1 1.44 7.0611.47 7.3012.53 7.4311.80 6.7710.91 6.14t0.92 8.2til.47 7.2810.38 6.68t o . 6 7 7.7711.38 7. 2 9io . 76 7.8010.89 7.3710.90 7.2811.60 8.97f 0.82 2E1 7.12 1 2.38 5.9210.71 4.3at2.93 7.8610.99 7.6910.74 6.0210.26 7.3210.32 5.9710.59 7.2711.69 7.6210.81 6.2011.44 7.4011.43 3S1 7.01 1 1.39 6.89 2.41 7. 56t 2.6 3 7.85tt.11 4.9711.08 6.5&tt.06 5.7710.82 5.3511.15 5.5710.46 6.0610.61 5.4011.05 4Et 5.89 i 1.58 7.2511.37 7.1810.95 5.2712.11 5.28tt.12 8.5510.88 9.4210.77 8.5111.64 8.95!1.90 10.8710.97 7.1919.21 9.1110.90 8.24to.52 9.3913.12 9.43 1.14 5HI 9.04 2 1.90 9.8820.58 7.2110.48 6. 09t 0. 97 7.2811.60 6.1&tt.30 7.5111.34 5.0420.78 6.84it.49 7.38t0.74 551 6.79 1 1.56 7.1011.45 6.6910.45 7.63to.40 5.7712.75 7.3410.55 7. 72t t . 34 6.1122.01 8.9121.67 6.90t1.44 7. 0 9t1. 01 7.7910.55 9.0215.03 8.19to.80 6C1 7.35 1 2.14 6.3910.44 8.5510.10 6.2610.59 7.7910.69 8.2Eto.66 7El 7.4211,64 7.2611.17 7.4412.95 8.25tt.21 7.04t1.64 6.6110.64 8.2110.87 6.3510.98 9.3111.01 7.9411.83 8.36tt.10 6.1911.00 8.38i2.02 7.45!0.92 8.9413.05 9.1610.35 751 7.94 1 2.10 7.1610.77 6.4611.19 8.3411.08 8.73i1.47 7.3012.10 7.7110.98 8. 2 3t 1.65 7.87 1.06 9C1 7.50 1 1.44 6.78 0.70 6.9210.96 8. 2 9I O .82 7.3111.20 6.2920.77 7.55to.87 7.4511.19 6.7111.24 6.8911.34 8.55tt.22 7.34t1.05 9.0711.01 7.7210.31 8.0111.83 8.19 0.97 10Et 7.59 2 1.52 6.9910.69 6.9210.86 6.15 1.21 7.6110.26 6.9110.92 6.14 0.58 8.19t t . 08 6.81t 1.47 8.20.10.63 7.6110.46 7.8910.43 8.33 1.20 10F3 7.2311.73 6.2010.89 6.2220.77 8.4812.44 6.70th.40 8.8210.67 7.70tt.92 7.9610.58 8.5511.94 1053 7.76 2 1.68 7.75tl.09 7.0511.54 8.45tt.22 8.35tc.68 8.5214.18 8.6111.47 8.28tt.45 10.06tt.24 7.7111.46 9.5512.32 9.3202.09 8.0611.55 9.12ft.34 1151 8.68 t 1.41 8.3810.76 8.33!2.06 5.0610.68 5.8020.15 5.5910.69 4.7110.71 6.4210.45 5.2010.55 5.9ti0.50 5.5110.94 4.6710.54 5.61to.28 13C1 5.37 1 1.07 4.9610.69 7.6111.61 7.2420.81 8.6510.77 7.5312.14 7.26tt.25 8.54tt.59 13Et 7.57 i 1.46 7.5418.74 6.7120.77 7.64t1.24 6.2920.27 8. 3&t o . 88 7.6211.19 7.4210.66 5.81 1.08 7.4121.50 6.6710.53 6.90tt.09 7.2810.27 7.0611.72 7.19tl.59 14St 6.9611.12 7.3020.45 6.19t 2. 2 0 6.7310.78 7.1211.19 7.6011.65 6.9210.65 8. 2 8t t . 22 8.1510.82 1501 7.49 1 1.32 7.3811.24 7.7723.18 7.64t1.04 6.4721.04 8.5520.37 6.7620.86 6.6810.54 8.81t1.95 7.5120.95 8.6910.68 7.46tt.77 8.1211.03 9.1410.87 16F1 7.55 1 2.12 6.4510.62 5.8511.10 7.9710.89 7.3810.70 6.0211.16 7.2710.80 6.6211.05 6.3421.46 7.t&to.97 16S2 6.70 1 0.90 6.44tt.19 6.66t1.49 7.1010.84 6.80t0.40 6.26tt.20 7.10 t 1.89 5.9220,70 5.9610.33 7.2110.87 8.2610.76 6.7111.20 8.2011.82 6.6011.41 8.64tl.73 6.7711.28 6.5320.34 7.85tl.31 1781 5.6710.48 7.55t1.29 6.6910.70 7.2211.04 7.83t0.28 18GI 7.08 2 1.68 6.7320.90 6.8210.99 7.6110.43 7.1810.99 6.29t1.07 8.82tt.13 7.0711.12 5.3410.68 7.9210.43 5.94tt.21 7.0110.74 5.9110.81 6.3110.85 7.0710.93 1859 6.42 i 1.52 6.5410.90 5.6611.63 6.1620.51 6.3610.14 5.5610.38 5.A2to.47 6.92tt.50 6.4020.25 7.1911.13 7.0811.45 1901 6.58 2 1.35 6.9110.83 5.7610.93 7.0410.89 7.6410.5*

7.1010.77 5.6011.28 8.4010.57 6.4911.07 7.1110.60 6.8211.99 6.8611.18 7.3511.10

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TABLE C-XI.4 MEAN MONTHLY AMBIENT GAMMA RADIATICH LEVELS IN THE VICINITY CF LIMERICK GENERATING STATION. JANUARY 1980-NCVEMCER 1984 RESULTS IA UNITS OF MRAD /STD. MONTH 12 SIGMA DEVIATION OF THE DATA EXPOSURE 1 2 3 PERIOD SITE MIDDLE RING OUTER RING JAN/82 6.90 1.65 6.87 i 1.23 6.94 1 2.13 FEB/82 7.79 i 1.62 7.63 1 1.13 7.71 3.93 MAR /82 7.24 1 1.92 7.29 1 1.51 7.33 1 2.10 APR/82 7.34 1 1.58 7.47 1 1.16 7.74 1 3.45 MAY/62 7.44 1 1.82 7.52 1 1.55 7.79 1 2.61 JUN/82 7.44 t 1.89 7.51 1 1,49 7.32 1 2.11 AUG/82 7.49 1 2.20 7.66 1 1.73 7.88 3.45 SEP/82 7.71 1 2.30 8.07 i 1.86 7.74 1 3.54 OCT/82 7.69 1 2.08 8.14 1 1.75 7.26 1 4.81 NOV/82 7.52 1 1.78 7.77 1 1.77 7.91 1 3.35 DEC/82 7.17 1.83 7.55 i 1.60 7.69 2.16 EXPOSURE 1 2 3 PERIOD SITE MIDDLE RING OUTER RING JAN/83 6.86 1 1.54 7.28 i 1.86 7.19 1 2.44 FEB/83 6.89 1 1.75 7.07 1 1.50 7.11 1 2.40 MAR /83 8.04 1 1.73 8.21 1 1.63 7.57 i 5.29 APR/83 6.08 1 2.21 7.09 1 1.63 7.30 1 2.04 MAf/83 6.81 i 1.42 7.07 1 1.53 7.04 1 1.98 JUN/83 6.56 1 2.32 6.55 i 1.65 6.54 1 1.90 JUL/83 8.13 1 1.87 8.49 1 2.47 8.43 1 2.77 AUG/83 8.66 1 2.74 8.98 1 2.20 8.40 1 2.91 SEP/83 6.96 1 2.16 6.81 1.67 7.41 1 2.18 OCT/83 8.07 1 1.54 8.52 1 1.93 8.78 1 3.83 NOV/83 7.34 1 4.10 7.26 i 1.98 7.22 2.91 DEC/83 7.76 1 2.08 7.94 1 1.93 8.01 1 2.66 EXPCSURE 1 2 3 FERICD SITE MIDDLE RING CUTER RING JAN/84 6.79 1.65 6.77 t 1.52 7.29 2 2.99 FED /84 6.47 1 1.75 6.53 1 1.89 6.83 1 2.30 MAR /84 7.41 1 1.75 7.38 1 1.66 7.36 1 2.91 APR/84 7.16 1 2.63 6.78 1 1.62 6.98 1 2.48 MAY/84 6.18 1 2.00 6.42 1 1.42 6.73 1 2.66 JUN/04 7.72 1 1.96 6.13 t 1.55 8.16 1 3.93 JUL/84 6.20 t 1.33 6.64 1 1.54 6.27 1 1.92 AUG/84 7.36 2.21 7.52 1 1.89 7.94 i 1.63 SEP/84 6.77 2.38 6.91 1.64 6.70 1 2.04 OCT/84 6.79 1 2.22 7.30 1 1.92 7.26 1 2.66 NOV/84 7.46 1 1.81 7.81 1 1.96 7.84 1 2.28 l

l

TABLE C-XII.1 COLLECTICH DATES FOR SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LINERICK GENERATING STATION. 1982-1984 COLLECTIDH PERIGO 10F2 1SFS 1682 24St 2452 l JAN 01/28/82 01/07-01/28/82 01/28/82 01/28/82 01/28/82 FEB 02/25/82 01/08-02/05/82 02/05/82 02/25/82 02/25/32 MAR 03/25/82 02/25-03/25/82 03/25/82 03/25/82 03/25/82 AFQ 04/08/82 03/25-04/28/82 04/28/82 04/28/82 04/08/82 ItAY 05/26/82 05/26/82 05/26/82 05/26/82 05/26/82 JUN 06/30/82 05/26-06/30/82 06/30/82 06/30/82 06/30/82 JUL 07/27/82 06/30-07/27/82 07/27/82 07/27/82 07/27/82 AUG 08/25/82 08/25/82 08/25/82 08/05/82 08/25/82 SEP 09/08/82 09/29-09/19/82 09/28/82 09/08/82 09/28/82 OCT 10/28/82 09/29-10/28/82 10/28/82 10/28/82 10/28/82 NOV 11/04/82 10/28-11/24/82 11/04/82 11/24/82 11/24/82 DEC 12/29/82 11/24-12'29/82 12/29/82 12/29/82 12/28-12/29/02 COLLECTION PERIOD 10F2 15F5 16B2 24S1 24S2 JAN 12/29-01/25/83 12/29 01/25/83 12/29-01/25/83 12/29-01/25/83 12/29-01/25/83 FEB 02/23/83 01/25-02/23/83 02/23/83 01/25-02/23/83 02/23/83 NAR 03/30/83 02/23-03/30/83 03/30/83 02/03-03/30/83 03/30/83 AFR 04/29/83 03/30-04/29/83 04/29/83 01/30-04/29/83 04/*9/83 MAY 05/31/83 04/*9-05/31/83 05/31/83 04/29-05/31/83 05/31/83 JUN 06/28/83 05/31-06/08/83 06/08-06/28/83 05/31-06/28/83 06/28/83 JUL 06/28-07/07/83 06/28-07/27/83 06/28-07/27/83 06/28-07/27/83 07/07-07/27/83 AUG 08/29/83 07/27-08/29/83 07/27-08/29/83 07/27-08/29/83 07/27-08/29/83 SEP 09/06/83 08/29-09/26/83 08/29-09/06/83 08/29-09/06/83 08/29-09/06/83 CCT 10/24/83 09/26-10/24/83 09/26-10/24/83 09/26-10/24/83 09/26-10/24/83 i NOV 10/24-11/30/83 10/24-11/30/83 10/24-11/30/83 10/24-11/30/83 10/24-11/30/83 DEC 11/30-12/28/83 11/30-12/28/83 11/30-12/28/83 11/30-12/27/83 11/30-12/28/83 COLLECTION FERICO 10F2 15F5 1682 24SI 2452 JAH 01/30/84 12/28-01/30/84 12/28-01/30/84 12/27-01/30/84 12/28-01/30/84 FEB 02/27/84 01/30-02/27/84 01/30-02/27/84 01/31-02/27/84 01/30-02/27/84 NAR 03/30/84 02/27-03/30/84 02/27-03/30/84 02/27-03/30/84 02/27-03/30/84 APR 04/30/84 03/30-04/30/84 03/30-04/30/84 03/30-04/30/84 03/30-04/30/84

[ MAY 05/29/84 04/30-05/29/84 04/30-05/29/84 04/30-05/29/04 05/15-05/29/84 JUN 06/20-06/29/84 05/29-06/29/84 05/29-06/29/84 05/29-06/29/84 06/06-06/29/84 JUL 07/30/84 06/29-07/30/84 06/29-07/26/84 06/29-07/30/84 06/29-07/30/84 AUG 08/28/84 07/30-08/28/84 08/06-08/28/84 07/30-08/28/84 07/30-08/28/84 SEP 08/28-09/25/84 08/28-09/25/84 09/25/84 08/28-09/05/84 08/28-09/25/84 OCT .09/25-10/30/84 09/25-10/30/84 10/10-10/30/84 09/25-10/30/84 09/25-10/30/84 NOV 10/30-11/28/84 10/30-11/28/84 10/30-11/28/84 10/30-11/28/84 10/30-11/28/64 l

4 1

TABLE C-XII.2 COLLECTION DATES FOR DRINKING NATER SAMPLES COLLECTED IN 1HE VICINITY OF LIMERICK GENERATING STATION, 1982-1984 COLLECTICH FERIDO 13H2 15F4 15F7 16C2 28F3 JAN 12/30-01/28/82 12/30-01/28/82 12/30-01/28/82 12/30-01/28/82 12/09-01/28/82 FEB 01/08-02/25/82 01/28-02/05/82 01/28-02/05/82 01/28-02/25/82 01/28-02/25/82 MAR 02/05-03/05/82 02/25-03/25/82 02/05-03/25/82 02/25-03/25/82 02/25-03/25/82 AFR 03/25-04/28/82 03/05-04/28/82 03/25-04/28/82 03/25-04/28/82 03/25-04/28/82 MAY 04/28-05/26/82 04/03-05/26/82 04/28-05/26/82 04/28-05/26/02 04/28-05/06/82 JUN 05/26-06/30/82 C5/26-06/30/82 C5/26-06/30/02 05/06-06/30/82 C5/26-06/30/82 JUL 06/30-07/07/80 06/30-07/07/82 06/30-07/27/82 06/30-07/27/82 06/30-07/27/82 AUG 07/07-08/25/82 07/27-CS/25/82 07/27-08/25/02 07/27-08/05/82 07/27-0S/05/82 SEP 23/25-09/29/82 08/25-09/29/82 08/05-09/29/82 08/25-09/28/82 08/25-09/28/82 CCT 09/28-10/28/82 09/28-10/28/02 09/29-10/28/82 09/28-10/28/82 09/28-10/28/82 NOV 10/28-11/04/82 10/28-11/24/82 10/28-11/24/82 10/28-11/24/82 10/28-11/04/82 DEC 11/24-12/09/80 11/04-12/09/82 11/24-12/29/82 11/24-12/29/82 11/24-12/29/82 CCLLECTICN FERIOD 12H2 15F4 15F7 16C2 28F3 JAN 12/09-71/25/83 12/09-01/25/83 10/29-01/25/83 12/29-01/25/83 12/29-01/25/83 FEB 01/25-02/23/03 01/25-02/23/83 01/25-02/23/83 01/25-C2/23/83 01/25-02/23/83 MAR 02/23-03/33/83 C2/03-03/30/83 02/23-03/30/83 C2/23-03/30/83 C2/23-03/30/83 AFR 03/30-04/29/83 03/30-04/29/03 03/30-04/29/83 03/30-04/29/83 03/30-04/09/83 MAY 04/09-05/31/83 04/29-05/31/83 04/29-05/31/83 04/29-05/31/83 04/09-05/31/03 JUN C5/31-06/28/83 05/31-06/28/03 05/31-06/28/83 05/31-06/28/83 C5/31-06/08/83 JUL 06/28-07/27/83 06/28-07/27/03 C6/24-07/27/83 C6/28-07/27/83 06/28-07/27/83 AUG 07/27-08/29/83 07/27-C8/29/83 08/10-08/09/83 07/27-08/29/83 07/28-08/29/83 SEP 08/29-09/26/83 08/29-09/26/83 08/29-09/03/83 03/09-09/26/83 08/29-09/06/83 CCT 09/26-10/24/83 09/26-10/24/83 09/26-10/24/83 09/26-10/24/03 09/26-10/24/83 NOV 10/24-11/30/83 10/?4-11/30/83 10/24-11/30/83 10/24-11/30/03 10/24-11/30/83 CEC 11/30-12/28/83 11/30-12/28/83 11/30-12/28/83 11/30-12/28/83 11/30-12/28/83 COLLECTION PERICO 13H2 15F4 15F7 16C2 28F3 JAN 12/28-01/30/84 12/28-01/30/84 12/28-01/30/84 12/28-01/30/84 12/28-01/30/84 FEB 01/3F 02/27/84 01/30-02/27/84 01/30-02/27/84 01/30-02/27/84 01/30-02/27/84 MAR 02/27-03/30/84 02/27-03/30/84 02/27-03/30/84 02/27-03/30/84 02/27-03/10/84 AFR 03/30-04/30/84 03/30-C4/30/84 03/30-04/30/04 03/30-04/30/84 03/30-04/30/84 MAY C4/30-05/29/84 04/30-05/29/84 04/30-05/29/84 04/30-05/29/84 04/30-05/29/84 JUN 05/29-06/29/84 05/29-C6/29/84 CS/29-06/29/84 05/29-06/29/84 05/29-06/29/84 JUL 06/29-07/30/04 06/29-07/30/84 06/29-07/30/04 06/29-07/30/84 C6/29-07/30/04 AUG 07/30-08/28/84 07/30-08/28/34 07/30-08/28/84 07/30-08/08/84 07/30-08/28/84 SEP C8/28-09/25/84 08/28-09/25/04 08/28-09/25/84 08/28-09/25/64 08/28-09/25/84 CCT C9/25-10/30/84 C9/05-10/30/84 09/25'-10/30/84 09/25-10/30/84 09/25-10/30/84 NOV 10/30-11/28/84 10/30-11/28/84 10/30-11/28/84 10/30-11/28/84 10/30-11/28/84

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_ _ _ _ - _ _ - \

TABLE XIII.1 TYPICAL

• MINIMUM DETECTABLE LEVELS OF HUCLIDES SEARCilED TOR BUT HOT TOUND IN ALL MEDIA COLLECTED HEAR LIMERICK GENERATING STATION Air Surface Drinking Well Particulates Water Water Water Milk Fish Sediment Game Vegetation Nuclide 10-3pci/m3 pCi/1 nci/1 pCf/1 pCi/l DCi/q(wet) DCi/n(dtv) pCi/n(wet) DCi/c(wegli co-144 .011 4.8 3.0 2.5 2.8 .02 0.2 .01 0.3 Cr-51 .035 9.0 4.1 3.0 6.4 .06 0.4 .03 0.5 Ra-226 .032 1.9 0.8 0.6 1.2 ' .01 --

.007 .09 Ag-110M .002 1.1 0.5 0.4 0.7 .004 0.5 .004 .06 Te-129M .108 18 8.5 7.4 0.1 .09 1.6 .07 1.2 Zr-95 .012 ** ** ** ** ** .07 ** **

Hb-95 .003 ** ** ** ** ** -- ** **

Cs-134 .022 1.1 0.4 0.4 0.6 .004 .05 .004 .07 Co-58 .002 1.1 0.5 0.4 0.8 .004 .04 .004 .06 Mn-54 .002 1.1 0.5 1.1 0.7 .004 .03 .004 .06 Th232/228 .005 3.2 1.6 1.3 2.8 .01 --

.3 Fe-59 .006 2.1 0.9 2.5 2.1 .01 .08 ,). 007 01 .1 Cs-136 .020 1.7 0.9 1.2 2.2 .04 .07 .008 .1 Zn-65 .004 2.1 _1. 0 0.8 2.0 .007 .1 .01 .2 Co-60 .002 1.1 0.5 0.4 0.7 .005 .04 .005 .07 K-40 .088 11.1 5.5 4.8 -- -- -- -- --

Da-140 .067 ** ** ** ** ** 4 ** .3 La-140 .021 ** ** ** ** ** .09 ** .5 Be-7 .283 5.3 3.6 3.1 5.7 .01 0.3 .04 .4 Sb-125 .005 ** ** ** ** ** .5 ** .05 Ce-141 .007 ** ** ** ** ** .06 ** **

Ru-103 .303 ** ** ** ** ** .08 ** .03 Co-57 .001 ** ** ** ** ** .03 ** .01 I-131 .092 1.6 1.0 1.1 2.6 0.1 .1 .006 .2 Ru-106 .016 4.4 4.3 0.8 5.7 .03 .3 .002 .6 Cs-137 .002 1.1 0.5 0.4 0.6 .004 --

.005 .07 j

• Typical refers to mean plus tuo standard deviations.

• • Minimum detectable levels of these nuclides were not calculated for these media.

--Indicates a positive concentration was measured in all samples analy=ed.

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SYNOPSIS OF ANALYTICAL PROCEDURES l

l l

1 l ' '

~

APPENDIX D l

l SYN 0pSIS OF ANALYTICAL PROCEDURES I

The following section contains descriptions of the analytical procedures along with an explanation of the analytical calculation

! methods used by Radiation Management Corporation for sample analysis from January 1982 through June 1983. Also included in this section are descriptions of the analytical procedures and calculation methods used by Teledyne Isotopes for sample analysis from July 1983 through November 1984.

Sampiq_Ereparation and Countina procedures i

Several types of liquid samples are separated by filtration prior to analysis. Resulting portions a t .- l.entified as soluble and insoluble. Therefore, soluble as used in this report, is defined as that portion of a sample that passes through a #50 Whatman filter paper. Insoluble is defined as that portion of a sample that is collected on 350 Whatman filter paper.

i l

I.

1 6 I

I i

i i

i, i

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

, - - - , .-n-, - - , . - - - - . . , - - _ - , - - . . _ , - _ . , - - - , , , . . . .

i i

GROSS BETA ANALYSIS OF SAMPLES l

j (RMC)

! Insoluble Traction of Water (B4)

! A 1000 ml aliquot of the sample is filtered through Whatman #50 l

filter paper. The filter paper is ashed in a preignited and

preweighed 2" x,1/4" ringed planchet and reweighed. The planchet is l counted in a low-background gas-flow proportional counter. Self- l j absorption corrections are made based on measured sample weight and ,

j calculated thickness. Sr-90-Y-90 is used as the calibration standard. ,

A clean, unused filter paper is processed in the same manner and used I as a blank.

Soluble Traction of Water (B6)

The filtrate obtained during procedure B4 is evaporated to dryness

! in a preignited and preweighed 2" x 1/4" ringed planchet and

, reueighed. The planchet is counted in a low-background gas flow '

proportional counter. Self-absorption corrections are made based on i measured sample weight and calculated thickness. Sr-90-Y-90 is used i as calibration standard. An aliquot of distilled water is evaporated ,

! in the same manner and used as a blank.

, Calculation of results, two sigma error and LLD:  ;

_ . t

_HISULT = C(s+b) -

C(b) x 1 x l x l x _l l (pci/1) _ T(s+b) T(b) 2.22 E V TT I

2 SICMA ERROR = 2 C(s+b) + C(b) x 1 x 1 x l x _l

)1 (pci/1) T(s+b)2 T(b)2 2.22 E V Tr The minimum detectable level (MDL) is defined as that value equal to the two sigma error of the result. Less than MDL is reporteI as l l

the result when this value is greater than the measured result ilefined '

J above.

where C(s+b) = gross counts of nample l

C(b) = counts of blank E = fractional Sr-9-y-90 counting efficiency i

T(s+b) = number of minutes sample was counted T(b) = number of minutes blank was counted 3

Y = volume of aliquot (in liters)

TT = transmission factor l

4

[

1 i

I 6

F 4

. _ , . . _ . _ . . ._. . . , _ . . - , _ _ . , _ _ _ _ _ . . --_ _ . - -,_.. ,_ ___.,__s _ _ _ _ . . . . _ - _ , _

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

l l

DETERMINATION OT GROSS ALPHA AND/OR BETA ACTIVITY

! IN WATER SAMPLES AIR PARTICULATE FILTERS, OR SEDIMENT  !

1 I (TI) l

! i

! This describes the process used to measure the overall alpha and/or l boto radioactivity of water samples, air particulate filters, composited cir particulate filters or sediment without identifying the radioactive opocios present. No chemical separation techniques are involved. One litar of the water sample is evaporated on a hot plate. The evaporated Ocople is rinsed into a 1-inch diameter stainless steel planchet which is etcapled with a concentric ring pattern to distribute residue evenly.

Final evaporation to dryness takes place under heat lamps. Residue mass is determined by weighing the planchet before and after mounting the '

ocople. In the case of air particulate sample, the filter is mounted directly on a 2-inch stainless steel planchot. Sediment sanples are dried and a 1 gram aliquot is mounted directly on a 2-inch stainless otoel planchet.  :

The planchets are then counted for a alpha and/or beta activity in a Icw-background gas flow proportional counter. Calculation of activity includes an empirical self-absortion correction curve which allow for the change in effective counting efficiency caused by the residue mass. Self aboorption is not considered in the case of air particulate filters because of the impracticality of accurately wieghing the deposit and bacause the penetration depth of the deposit into the filter is unknown.

Calculation of the sample activity or of the MDL:

L-p om L+4 at l

4t  !

Met nci on collection date = 1 At unit volume or wt. 2.22(v)(y)(DF)(C) 2.22(v)(y)(DF)(6) f not activity counting error whores N = total counts from sample (counts)

At = counting time for sample (min) i

= background rate of counter (cym) 2.12 = ARE  !

pCi f v(w) = volume or weight of sample analysed .  !

y = chemical yield of the mount or sample counted  ;

DT = decay factor from the collection to the counting date (

l = efficiency of the counter [

0m = aultiples of counting error  !

Ter gross alpha and gross beta calculations set y = 1 and Dr = 1. I 1g 1 i If the not activity 6 t -/Ofisequalto or is less than the counting I orror, the activity on the collection date is below the limits of [

dotection and is called "less than" (L.T.) or " minimum detectable level" t (MDL). i t

f 1 2

I l

ANALYSIS OT SAMPLES FOR TRITIUM (RMC)

Water (H2)

A 15 al aliquot of the sample is vacuum distilled to eliminate

> dissolved gases and non-volatile matter. The distillate is fro =en in a trap cooled with a dry ice-isopropanol mixture. Eight (8) al of the distillate are mixed with ten (10) al of Insta-Gel liquid scintillation solution. The sample is then counted for tritium in a liquid scintillation counter. A sample of low tritium (<50 pci/1) water is vacuum distilled as a blank and is counted with each batch of j

samples. In the calculation of the result it is assumed that the t condensed and original sample are of equivalent volumes. The volume change associated with the removal of dissolved gases and non-volatile matter is not significant compared to the other errors in the analysis.

Calculation of results, two sigma error and LLD8 RESULT = C(s+b) - C(b) x 1 x J x 1 (PC1/1) -

T(s+b) T(b) 2.22 E V 2 SIGMA ERROR =

4[C(s+b) + C(b) x 1 x l M J (PCi/1) V T(s+b)* T(b)2 2.22 E V The minimum detectable level (MDL) is defined as that value equal to the two sigma error of the result. Less than MDL is reported as the result when this value is greater than the measured result defined above.

Where C(s+b) = gross counts of sample C(b) = counts of blank E = fractional H-3 counting efficiency T(s+b) = number of minutes sample was counted T(b) = number of minutes blank was counted V = volume of distillate counted (in liters) 0 _ _ _ _ . _

Milk (H3)

A 100 ml aliquot of sample is dried in a rotating vacuum flash l ovoporator. During the evaporation process. the evaporated water

! fraction is trapped out by a dry ice-isopropanol mixture for counting.

Approximately 20 ml of condensate is vacuum distilled to eliminate dissolved gasses and non-volatile matter. Counting is the same as for water above.

Calculation of results and two sigma errors i

~ ~

RESULT a C(s+b) - C(b) x 1 xlx1 (pci/1) _T(s+b) T(b) ,

2.22 E V f 2 SIGMA ERROR = 2 C(s+b) + C(b) x 1 x1xJ l

I (PC1/1) T(s+b): T(b)2 2.22 E V I

The minimum detectable level (MDL) is defined as that value equal to the two sigma error of the result. Less than MDL is reported as the result when this value is greater than the measured result defined above.

whores C(s+b) = gross counts of sample

,! C(b) = counts of blank E = fractional H-3 counting officiency i T(s+b) = number of minutes sample was counted i T(b) = number of minutes blank was counted j V = volume of distillate counted (in liters)

).

i l

1 I

a

DETERMINATION OF TRITIUM BY GAS COUNTING (TI) ,

A 2 ml aliquot is dissociated into oxygen and hydrogen gas by means of a heated granular =inc conversion column. The hydrogen gas is then collected in an activated charcoal trap and then transferred into a previously evacuated one liter proportional counter. Non-tritiated hydrogen and ultra-high purity methane is added and then counted. Backgrounds and standards are ' counted in the same gas mixture as the samples.

Calculation of the sample activity or the NDL:

2 2 3.234x(TU)M x Vd (cpm)g -

BMG 1v5}/(G + gB Het DCi = cpm, x Vs - -

unit vol.

where (TU)w = the tritium units of the standard V, = volume of the standard used to calibrate the efficiency of the detector-in psia Vy = volume of the sample loaded into the detector-in psia (cpm)~ = the cpm activity of the standard of volume V (CPM)q = the gross activity of the sample of volume V and the detector background BKG = the background of the detector in cpm 3.234 = conversion factor changing TU to pC/l at a counting time for the sample em = multiple of the counting error cG = standard deviation of the prons activity of the sample and the detector bacPground. in epm 5B = standard deviation of the background, in cpm N

If the not activity (cpm)o - BKG is equal tb or is less than twice the counting error, the activity on the collection date is below the limits of de tection nr:4. is called "less thnn" (L.T.) or " minimum detectable level" (11DL).

thus L.T. = 2 x 3.234 x (TU)g xVg x yG2 +gB 3

( C p M )g x Vg

\

a where gG = standard deviation of the gross activity of the sample and the detector background, in cpm eB = standard deviation of the bsckground, in epm 1

i

_ __ - _ _ _ _ _ - _ - - - . _J

ANALYSIS OF SAMPLES FOR I-131 (RMC)

Milk (IO)

The initial stable iodide concentration in milk is determined with an iodide specific electrode. Three milliliters of stable iodide entrior is then added to four (4) liters of milk. The iodide is removod from the milk by passage through an ion-exchange resin. The iodide is eluted from the resin with sodium hypochlorite, and purified by a series of solvent extractions with the final extraction into a toluene phase. The toluene phase is mixed with a toluene-based liquid scintillation solution. The rample is then counted in a beta-gated gecan coincidence detector shielded by six inches of steel. Distilled water is used as a blank. The yield is calculated from stable iodide ,

rocovory based on the recovered volume. Results are corrected for doeny from the sampling time to the middle of the counting period using a half-life value for I-131 of 8.06 days.

Calculation of results and two sigma errort The spectrum obtained is smoothed to minimize the effects of rondom statistical fluctuations. The presence of Iodine-131 is identified by the presence of a 364 kev peak. The net area above the l baseline is calculated. This counting rate is converted to activity l (pci) for units volume making allowance for counting efficiency and ganan ray abundance. l l

RESULT = C(s+b) -

C(b) x 1 xlxlxlx1x 1 (pci/1) ,T (s + b ) T(b) 2.22 E V Y F l .693(ti-ts)/8.06]

_ e l

2 SIGMA ERROR = 2 C(s+b) + C(b) x 1 xlxlxlxlx 1 (pci/1) ~)T(s+b)2 T(b): 2.22 E V Y F l .693(ti-ts)/8.061 whoro: C(s+b) = gross counts in channels containing I-131 peak C(b) = background counts in channel containing I-131 peak T(s+b) = number of minutes aliquot was counted T(b) =

number of minutes blank was counted E = I-131 counting efficiency V = volume of aliquot utilized (in liters)

Y = chemical yield of iodine T = fractional gamma abundance for I-131 = 0.824 ti = time at midpoint of the counting interval ts = time of sample collection e = natural antilog Colculation of minimum detectable level (MDL)*

MDL = 3 6xC x 1 x1xlxlxlxlx 1 (pCi/1) ~~\ 2.22 E V Y T F e I .693(ti-ts)/8.06)

where C = number of counts in the channel that would have been the centroid if a peak was there E = I-131 counting efficiency V = volume of aliquot (in liters)

Y = chemical yield of iodine T = number of minutes aliquot was counted l F = fractional gamma abundance for I-131 = 0.824 )

ti = time at midpoint of the counting interval l ts = time of sample collection e = natural antilog

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

DETERMINATION OF I-131 IN MILK AND WATER SAMPLES BY RADI0 CHEMISTRY AND LISUID PHASE BY ANALYSIS (TI)

This describes the radiochemical methods for determining I-131 activity in milk and water samples by coincidence counting in the

! liquid phase.

1 Four liters of sample are first equilibrated with stable iodide carrier. A batch treatment with anion exchange resin is used to remove iodide from the sample. The iodine is then stripped from '

the resin with sodium hypochlorite solution, reduced with I

hydroxylamine hydrochloridre, and extracted into carbon tetrachloride as free iodine. It is then back-extracted as iodide into sodium bisulfite solution.

The iodide sample soluVidn is oxidi=ed to the free state using

] NaH0 g reagent and is extracted several times into a total of 15 ml of toluene. A 200 pl aliquot is taken for determining chemical yield by spectrophotometer. A decolori=ing agent (2-methyl-2-butene) is added

to the toluene-iodine solution to form an inert molecule and to minimi=e liquid scintillation quenching. A toluene-based liquid scintillation counting solution is added to the sample, which is then analy=ed by a beta gated gamma-coincidence counting system.

i 5

N 4

I 5 I

. . , - , . - - . - - - - . ,,---y,m., u-. , - , .

--%---..-.__m- , - . -

CALCULATION OF THE SAMPLE ACTIVITY OR OF THE MDL l

Tho Sample Activity and the 2-sigma Counting Error are Calculated as follows:

L- p 2 L+ p '

At at Net DCi on collection date = 1 at liter 2.22(v)(y)(DF)(C) 2.22(v)(y)(DF)(C) net activity counting c/vav where: N = total countr from sample (counts) at = counting time for sample (min) p = background rate of counter (cpm)

Z.22 =

ARE pCi v = volume of sample analy=ed (liters) y = chemical yield of the mount or sample counted DF = decay factor from the collection to the mid count time E = efficiency of the counter for I-131 Note: Efficiency is determined by counting an I-131 standard.

Consequently, the branching intensity (abundance) of the I-131 gamma does not appear in the above equation.

Calculation of the MDL If the net activity (previously defined) is equal to or is less then a specified multiple of the background counting error, the activity on the collection date is below the limits of detection and is called "less than" (L.T.) or " minimum detectable level" (MDL).

The L.T. value can be specified by stating only the counting error at a predetermined multiple (am) of the one sigma statistics. A sigma multiple (cm) of 4.66 is used for calculation of the L.T. values unless another multiple such as 2.83 is specified.

thus L.T. =

cm )k At (2.22(v)(y)(DF)(8)

u -

GAMMA SPECTROMETRY OF SAMPLES (RMC)

Water (M1)

Four liters of sample is reduced to 100 ml and sealed in a standard container. The sample is counted with a MaI (TL) detector coupled to a culti-channel pulse-height analyzer.

Milk (N7)

A three liter aliquot is dried at 175'C, ashed at 500'C until no carbon residue is present, compressed and sealed in a standard container.

The sample is counted with a NaI (TL) detector coupled with a multi-channel pulse-height analyzer.

Aquatic Biota Sediment (H8, G8)

A large quantity of the sample is dried at a low temperature

(<100*C). A 100 gram aliquot (or the total sample if less than 100 h grams) is taken, compressed to unit density and sealed in a standard (

container. The sample is counted with a NaI (TL) or a Ge (Li) detector coupled to a multi-channel pulse-height analyzer.

Edible Food products (Hon-Milk) (NA)

A large quantity of sample is air dried, compressed to a known geometry and sealed in a standard container. The sample is counted within eight days in a MaI (TL) detector coupled to a multi-channel pulse-height analyzer.

Air particulate (GB)

All samples received for the month are mixed and sealed in & standard container. The container is counted with a high resolution Ge (Li) detector, couples to a multi-channel pulse-height analyzer.

Air Iodine (II)

The air iodine cartridge is sealed in a standard container which is counted within eight days with a MaI (TL) or a Ge (Li) coupled to a culti-channel pulse-height analyzer.

m II_

L_ __-

r Calculation of result and two sigma error The spectrum obtained is smoothed to minimi=e the effects of random statistical fluctuations. peaks are identified by changes in the slope of the gross spectrum. The net area above the baseline is calculated.

This counting rate is converted to activity in curie units making allowance for counting efficiency and gamma ray abundance.

RESULT = C(s+b) - C(b) x 1 xlxlxlx 1 3 (PCi/v) _T(s+b) T(b)_ 2.22 E V F g! .693(ti-ts)/t1/21 j 2 SIGMA ERROR = 2 C(s+b)

• C(b) x 1 xlxlxlx 1 Lpci/v) T(s+b)2 T(b)2 2.22 E V F 6

.693(ti-ts)/t1/2]

where C(s+b) = gross counts in channels containing peak of nuclide being quantized C(b) = background counts in channels containing peak of nuclide being quantized T(s+b) = number of minutes aliquot was counted T(b) = number of minutes blank was counted E = measured from efficiency curve for a given energy F = fractional gamma abundance V = volume of aliquot (in liters, grams or meters 3) ti = time at midpoint of the counting interval ts = time of sample collection t 1/2. = half-life of radionuclide, e = natural antilog 3

i i

calculation of the minimum detectable level (MDL) for HaI detectors:

MDL = 3 0.63 x c x 1 xlxlxlxlx 1 (pci/v) 2.22 E V* F T e[ .693(ti-ts)/t1/21 Calculation of the minimum detectable level (MDL) for GeLi detectors:

MDL = 3 g x 1 x l x 1 x 1 x 1 (pci/v) T 2.22 E V F e l . 6 9 3( ti-ts )/t 1/2 )

where: C = number of counts in the channel that would have been the centroid if a peak was there i E = measured from efficiency curve for a given energy j C = volume of aliquot utili=ed (in liters, grams or meters 3)

F = fractional gamma abundance T = number of minutes aliquot was counted ti = time at midpoint of the counting interval ts = time of sample collection j t 1/2 = half-life of radionuclide e = natural antilog i

I l

1 1

-, +, , , , - - - - , ,-. . , - , - - - -

AIR PARTICULATE (GB)

(RMC)

All samples received for the month are mixed and sealed in a standard container. The container is counted with a high resolution Ge(Li) detector, coupled to a multi-channel pulse-height analy=er.

Calculation of result and tuo sigma error:

The spectrum obtained is smoothed to minimi=e the effects of rondom statistical fluctuations. peaks are identified by changes in the slope of the gross spectrum. The net area above the baseline is calculated. This counting rate is converted to activity in curie units making allowance for counting efficiency and gamma ray abundance.

RESULT = C(s+b) - C(b) x 1 xlxlxlx 1 (pCi/v) T(b) 2.22 E V F

_T(s+b) _

e[ .693(ti-ts)/t1/21 2 SIGMA ERROR = 2/C(s+b) + C(b) x 1 xlx 1 x 1 x 1 (pCi/v) hT(s+b)* T(b)* 2.22 E V F q[ .693(ti-ts)/t1/21 where C(s+b) = gross counts in channels containing peak of nuclide being quantined C(b) = background counts in channels containing peak of nuclide being quanticed 7(s+b) = number of minutes aliquot was counted T(b) = number of minutes blank was counted E = measured from efficiency curve for a given energy T = fractional gamma abundance V = volume of aliquot (in liters or meters 3) ti = time at midpoint of the counting interval ts = time of sample collection t1/2 = half-life of radionuclide e = natural antilog Calculation of minimum detectable level (MDL) for Mal detectors MDL = 3-

~'

0.63 x C x 1 x 1 x 1 xlxlx 1 (pci/v) 2.22 E V F T el .693(ti-ts)/t1/21 Calculation of minimum detectable level (MDL) for Geli detectorst MDL = Hx 1 xlxlx1x 1 (pci/v) T 2.22 E V F e[ .693(ti-ts)/t1/21

.. . . . . - . . . . . . . .~. - .. -

where C = number of counts in the channel that would have been the centroid if a peak was there E = measured from efficiency curve for a given energy V = volume of aliquot utili=ed (in liters or meters 3)

F = fractional gamma abundance T = number of minutes aliquot was counted ti = time at midpoint of the counting interval ts = time of sample collection t1/2 = half-life of radionuclide e = natural antilog 4

4 l

4 I

i b

t

- . - - , ~ ~, -.- - - . , - e ,, r, --y , . . , - .

DETERMINATION OF GAMMA EMITTING RADIOISOT0 PES (TI)

Gamma emitting radioisotopes are determined with the use of a lithium-drifted germanium (Ge(Li)) and high purity germanium detectors with high resolution spectrometry in specific media, for example, air particulate filters, charcoal filters, milk, water, vegetation, soil / sediments, biological media,.etc. Each sample to be assayed is prepared and counted in standard geometries such as one liter wrap-around Marinelli containers, 300 ml or 150 ml bottles, or two-inch filter paper source geometries.

Samples are counted on large (>55 cc volume) Ge(Li) detectors connected to multi-channel pulse height analy=ers and mini-computers for data acquisition and computations. All resultant spectra are stored on magnetic tape.

The analysis of each sample consists of calculating the specific activities of all detected radionuclides or the detection limits from a standard list of sixteen nuclides. The Ge(Li) systems are calibrated for each standard geometry using certified radionuclide standards from Amersham /Searle and the National Bureau of Standards.

)

ENVIRONMENTAL DOSIMETRY (DO)

(RMC and TI)

A thermoluminescent dosimeter (TLD) is considered to be one end of a capillary tube containing calcium sulfate (Tm) powder as the thermoluminescent material. This material was chosen for its characteristic high light output, minimal thermally induced signal loss (fading), and negligible self-dosing. The energy response curve has been flattened by a complex multiple element energy compensator shield supplied by panasonic Corporation, manufacturer of the TLD reader. There exist four dosimeters per station sealed in a polyethylene bag to demonstrate integrity at the time of measurement, and for visualization of the sample placement instructions. The zero dose is determined from TLDs located in the lead shield found at RMC, philadelphia from January 1982 through June 1983 and at Teledyne Isotopes in Westwood, New Jersey from July 1, 1983 through the end of the preoperational period.

Following the predesignated exposure period the TLDs are placed in the TLD reader. The reader heats the calcium sulfate (Tm) and the measured light emission (luminescence) is used to calculate the environmental radiation exposure.

Data are normalized to standard instrument conditions by adjusting machine settings to designated values before readout. Data are also corrected for'in-transit dose using a set of TLDs kept in a lead '

shield in the field, exposed only durihg transit. The average dose per exposure period and its associated error is then calculated.

A Cs .137 source is used to expose TLDs as a reference sample. An absorbed dose in tissue is determined using the 0.955 rad / Roentgen conversion factor and dose equivalent (arem) by using a quality factor of 1.

Calculations of results and two sigma error:

Gross TLD(i) = [TLD(i) - DO(i)] x CF(i) x CF(ins) x 0.955 mrad /m Roentgen ITD = MET (Site 0) -

[ Net (RMC 0)(D(Sta)/D(RMC 0)))

NET TLD(i) = gross TLD(i) - ITD n

AVG = [(Sigma NET TLD)/n)(D(Std)/D (Ex))

i=1 ERROR (95% CL) = t (n-1)[ sigma NET TLD(i)/ Wil[D(Std)/D(EN)]

\

l l 1 l

1

..-m. .-ium..

~ .

where Gross TLD(1) = Individual TLD reading corrected to standard instrument conditions TLD(i) = Gross reading of dosimeter i NET TLD(i) = Het dose obtained during exposure period in the field Cr(ins) = Correction factor of reader = (6.158)

( E L S 1 8 9 3 ')

ELS = External light source DO(i) = Zero for dosimeter i cr(i) = calibration factor for dosimeter i ITD = in-Transit dose NET (site)0 = Mean of n dosimeters in site lead shield

NET (RMC)0 = Mean of n dosimeters in RMC lead shield D(sta) ~ =' Exposure period of station (SZRO)

D(RMC)0 = Exposure period of RMC 0 AVG = Mean exposure per standard exposure period at a given station n = Number of readings D(EX) = Days exposed D(STD) = Days in standard exposure period t(n-1) = T-distribution (student) factor for 95X CL signa MET TLD(1) = Standard deviation of n readings of HET TLD (i)

ERROR = The 95X confidence limit error of AVG l

I l

I 1

\

J _ _ _ _ _ _ . _ . .. .__. . _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _

QUALITY CONTROL I

APPENDIX E: INTER-LABORATORY COMPARISON PROGRAM During the preoperational period, the analytical laboratory which was under contract to conduct the preoperational REMP participated in the EPA Radiological Inter-Laboratory Comparison (cross check) Program. This participation included a number of analyses on various sample media as found in the Limerick Generating Station REMP. As a result of this participation, an objective naasurement of analytical precision and accuracy as well as a bias estimation of the results are obtained. Table I summarizes the results from 1982 in which 91 of the 98 analyses performed fell within the EPA mean and standard deviation. Table 2 summari=es the results from 1983 in which 71 of the 96 analyses performed fell within the EPA mean and standard deviation. Table 3 summari=es the results from 1984 in which 86 of the 92 analyses performed fell within the EPA mean and standard deviations. Discrepancies in the results are discussed in the footnotes at the end of each Table.

4 i

TABLE 1 INTER-LABORATORY COMPARISONS. 1982 All Participants Collection Date Media Nuclide EPA-Results(A) RMC kesults(B) Mean i s.d J a ri Water Gross Alpha 24 t 6. 22. t 2. 21. t 6.

1982 Gross Beta 32. t 5. 29. t 1. 31. t 6.

l March Water Gross Alpha 19. t 5. 15. t 1. 18. t 4 1982 Gross Beta 19. t 5. 19. t 1. 20. t 4 March Air Filter Gross Alpha 27. t 7. 24 t 3. 26. t 4. ,

1982 Gross Peta 55. t 5. 58. t 2. 59. t 8. l April Water Gross Alpha 85, t 21, 50. t 3. 75. t 16.

1982 Gross Reta 106, t 5. 93. t 2.(D) 106. t 13.

May Water Gross Alpha 28. t 7. 22. t 1. 25. t 7.

1982 Gross Beta 29. t 5. 31. 2 3. 30. t 6.

July Water Gross Alpha 16. t 5. 11. 1 2. 16. t 5.

1982 Gross Beta 23. t 5, 22. t 1. 21. t 5.

Sept Water Gross Alpha 29. t 7, 20. t 1. 26. t 6.

1982 Gross Beta 40. t 5. 34 t 1. 38. t 6.

l Sept Air Filter Gross Alpha 32. t 8. 27. t 3. 28. t 6.

1982 Grust, Beta 67, t 5. 38. t 2.(E) 61. t 8.

Oct Water Gross Alpha 55. t 34 48. t 2. 47 t 14 1982 Gross Beta 81. t 5. 101. t 1. 76. t 11.

Nov Water Gross Alpha 19. t 5. 17. t 2. 17 t 4 1982 Gross Beta 24 t 5. 22. t 2. 24 t 3.

Now Air Filter Gr ss Alpha 27. t 7. 28. t 1. 29. t 4 1982 Gross Beta 59. t 5. 64. t 2. 66, t 7.

TABLE I (Cont.)

INTER-LABORATORY COMPARISONS. 1982 Collection All Participants Oate Media Nuclide EPA-Results(A) RMC Results(B) Mean i s.d.

Feb Water Cr-51 0 <56. 5. t 9. i 1982 Co-60 20. t 5. 22. t 4 20. t 5.  !

Zn-65 15. t 5. 16. t 3. 15. t 4 Ru-106 20. t 5. <32.(F) 19. t 8.

Cs-134 22. t 5. 20. t 1. 21. t 3.

Cs-137 23. t 5. 22. t 0. 24 t 4 March Air Filter Cs-137 23. t 5. 32. t 1. 27. t 6.

1982 April Water Co-60 0 <3. 5. 1 10.

1982 Cs-134 15. t 5. 16. t 1. 15. t 4 Cs-137 16. t 5. 16. t 2. 17. t 4 I

l Co-60 April Milk 3n t 5. 30. t 2. 31. t 4.

1982 Cs-137 28. t 5. 28. t 3. 30. t 4 Ba-140 0 c147 5. t 7 K 1500, t 75. 1530. t 204 1495. t178.

June Water Cr-51 23. t 5. <72.(G) 25. t 1J.

1982 Co-60 29. t 5. 29. t 2. 31. t 4 2n-65 26. t 5. 26. t 3. 27. t 6.

Ru-106 0 <30. 10. t 11.

C5-134 35. t 5. 34 t 1. 34. t 4 Cs-137 25. t 5. 24 1 2. 27. 1 4 July Food I-131 94 t 9. 105. t 13. 100. t 9.

1982 (C) Cs-137 20. t 5. 27. t 4 26. t 4 Ba-140 0 <l9. o K 2400. tl20. 2650. 1244 2645, 2244 Sept Air Filter Cs-137 27 2 5, 25. t 4 25. t 4 1982 Oct Water Cr-51 51, t 5. <93.(G) 51, t 15.

1982 Co-60 20. t 5. 21. t 4. 20. t 3.

Zn-65 24 t 5. 21. t 6. 24 t 4 Re-106 30. t 5. 41. t 6. 31. t 8.

Cs-134 19, t 5. 16. t 2. 18. t 3.

Cs-137 20. t 5. 17. t 3. 21. t 3.

L______ __

TABLE 1 (Cont.)

INTER-LABORATORY COMPARISONS 1982 Collection All Participants Date Media Nuclide EPA-Results(A) RMC Results(B) Mean t s.d.

Oct Water Co-60 0 <4 3. t 7.

1982 Cs-134 2. t 5. <3. 6. t 11.

Cs-137 20. t 5. 21. t 2. 20. t 3.

I Oct Milk 1-131 42. t 6. 47. t 5. 40. t 7.

1982 Cs-137 34 t 5. 35. t 4 35. t 3.

Ba-140 0 (31. 2. t b.

K 1560. t 78. 1682. t 68. 1528. t196.

Now Food 1-131 25. t 6. 30. t 6. 25. t 5.

1982 (C) Cs-137 27, t 5. 28. t 4 29. t 4 Ba-140 0 <32. O K 2780. t140. 2934 2118. 2846. 1207.

Now Air Filter Cs-137 27. t 5. 31. t 2. 30. t 5.

1982 l

l Feb Water H-3 1820. 1342. 1913. 1138. 1853. 1229.

1982 l

April Water H-3 2860. 2360. 2800. t 89. 2812. 1242.

1982 June Water H-3 1830. 2340. 1867 2590. 1765. 2229, 1982 August Water i -3 2890, 1360. 3077. t100. 2847. 2270.

1982 Oct Water H-3 2560. t350. 2473. t 58, 2517. 2250.

1982 Dec Water H-3 1990. 2345. 2007. t 75. 2009. 2233.

1982

TABLE I (Cont.)

INTER-LABORATORY COMPARISONS, 1982 Collection All Participants Date Media Nuclide EPA-Results(A) RMC Results(8) Mean i s.d.

Jan Water I-131 8.4 t 1.5 7.0 t 0.1 8.3 1 1.0 1982 April Water 1-131 62. t 6. 66. t 4 63. t b.

1982 i i

June Water 1-131 4.4 2 0.7 3.9 1 0.7 4.5 t 1.1 l 1982  !

July Water I-131 5.4 i 0.8 5.5 t 0.3 5.7

• 1.5 1982 August Water 1-131 87. t 9. 88. t 2. 86. t 10.

1982 Dec Water I-131 37. t 6. 40. t 3. 38. t 5.

198'2 Jan Water Sr-89 21. t 5. 15. t 1. 20. t 4 1982 Sr-90 12. t 2. 12. t 1. 11. t 2.

March Air Filter Sr-90 16. i 1. 28. t 6.(H) 16. t 2.

1982 April Water Sr-89 24 t 5. 14 t 8.(H) 24. t 4 1982 Sr-90 12. t 2. 10. t 1. 12. t 2.

April Milk Sr-89 25. t 5. <23. 22. t 5.

1982 Sr-90 16. t 2. <26. 14 t 3.

May Water Sr-89 22. t 5. 17. t 2. 22. t 5.

1982 Sr-90 13. t 2. 13. t  ?. 12. t 2.

July Food Sr-89 26. t 5. 22. t 11. 29. t 7.

1982 (C)

Sr-90 20. t 5. 18. t 8. 23. t 2.

l l Sept Water Sr-89 25. t 5. 19. t 1. 24 t 4.

I 1982 Sr-90 15. 1 2. 15. t 1. 14 t 2.

Sept Air Filter Sr-90 20. t 2. 17 t 1. 17, t z.

1982

TABLE I (Cont.)

INTER-LABORATORY COMPARISONS, 1982 Collection All Participants Date Media Nuclide EPA-Results(A) RMC Results(B) Mean i s.d.

Oct Water Sr.89 0. (S. 13. t 20.

1982 Sr-90 17. t 2. 12. t 1. 16. t 2.

Oct Milk Sr-89 0. <S 3. t 3.

1982 Sr-90 19, i 2. 17 1 1. 17 t 3.

Nov Food Sr-89 0, 16. t 2. 7. t 13.

1982 (C)

Sr-90 28. t 2. 22. t 17. 26. t 7 Nov Air Filter Sr-90 16. t 2. 16. 1 1. 16. t 2.

1982 NOTES:

(A) EPA Results - Expected laboratory precision (1 sigma). Units are in pCi/f for water, urine, l and milk except K which is in mg/f. Units are in total pCi for air part;culate filters. l (B) Radiation Management Corporation's Results - Average i I sigma. Units are in pC1/f for water, l urine and milk except K which is in mg/f. Units are in total pCi for air particulate filters. l l

(C) Units for food analyses are ir. pCi/kg.

(D) Insufficient sample to reanalyze. Probable reasons for discrepancy are incomplete transfer of sample to planchet, incorrect pipetting of sample aliquot and nonhomogeneity of sample.

(E) Calculation was verified. Sample could not be reanalyzed because it was destroyed in the strontium analysis. Gross alpha, gamma and strontium-90 for that sample were in agreement with the [PA.

(F) Positive activity was not detected due to the low sensitivity of the analysis for Ru-106.

(G) Positive activity was not detected due to the low sensitivity of the analysis for Cr-51.

(H) A new strontium procedure was introduced i n March 1982. These intercomparison samples were analyzed during the testing stage and showed the need for retraining in separation technique.

A r

A

i TABLE 2 INTER-LABORATORY COMPARISONS, 1983 Collection All Participants Date Media Nuclide EPA-Results(A) *RMC/Teledyne(B) Mean t s.d Jan* Water Gross Alpha 29. t 7.25 15. t 1. 26. t 6.

1983 Gross Beta 31. t 5. 30. t O. 32. t 5.

March

• Water Gross Alpha 31. t 7.8 8. t 1. 27. t 8.

1983 Gross Beta 28. t 5. 9. t 2. 28. t 4 tarch* Air Filter Gross Alpha 26.6 1 5, 26. t 1. 28. t 4 1983 Gross Beta 68. t 5. 69. t 1. 69. t 6.

May* Water Gross Alpha 64 t 16. 29. t 2. 58. t 16.

1983 Gross Beta 149. t 7.5 87. t 2. 136. t 17.

May* Water Gross Alpha 11. t 5. 2.9 1 1. 11. t 3.

1983 Gross Beta 57 t 5. 19. t 1. 54 t 8.

July Water Gross Alpha 7. t 5.0 3 t 0.0 8. t 2.0 1983 Gross Beta 22. t 5.0 22. t 1.0 22. t 4.0 Aug Air Filter Gross Alpha 13. t 5. 17. t 1. 14 t 3.

1983 Gross Beta 36. t 5. 34 t 1. 39. t 6.

Sept Water Gross Alpha 5. t 5. 5. t 1. 5. t P.

1983 Gross Beta 9. 1 5. 11. t 1. 10. 1 3.

Nov Water Gross Alpha 22. t 6.3 16. t 2. 21. t 6.

1983 (Sample A)

Nov Water Gross Beta 67. t 5.8 68. t 11. 58. t 8.

1983 (Sample B)

Nov Water Gross Alpha 14 t 5. 12. t 1. 13. t 3.

1983 Gross Beta 16. t 5. 17. t 1. 17. t 4

VA8LE 2 (Cont.)

INTER-LABORATORY COMPARISONS, 1983 Collection All Participants Date Media Nuclide EPA-Results(A) *RMC/Teledyne(B) Mean t s.d.

Feb* Water Cr-51 45. t 5. <102. 48, t 10.

1983 Co-60 22. 1 5, 20. t 2. 23. t 3.

In-65 21. t 5. 26. 1 2, 22. t 5.

Ru-106 48. t 5. 53. t 3. 47. t 10.

Cs-134 20. t 5. 20. t 1. 20. t 3.

Cs-137 21. t 2. 19. t 3. 19. t 5.

Feb* Milk 1-131' 54.5 t 6.0 55.7 i 7.5 54.5 t 4.8 1983 Cs-137 25.6 1 5, 27. t 1. 26.3 2 4.1 ,

8a-140 0. t 0. <63. - 1 K 1512. t 76. 1643. t118. 1517. 2162.

March

• Food I-131 36.9 t 6. <37. 37.1 1 3.9 1983 (C) Cs-137 31.1 2 5. 36.3 2 .6 32.9 t 3.1 8a-140 0, t O. (60. -

K 2592. 1130. 2934 t O. 2649. 1280.

f March' Water Ra-226 12.7 t 1.9 7.4 t 2.2 11.8 1 2.1 1983 Ra-228 0. t 0. <2.6 1. t 2.

March

• Air Filter Cs-137 27. t 5. 39. t 3. 31. t 5.

1983 May* Water Ra-226 8.5 1 1.3 9.8 t .3 8.3 2 1.1 1983 Ra-228 4.7 2 0.7 8.3 t 2. 6.4 1 2.9 Co-60 30. t 5. 31. t 4 31. t 4 C5-134 33. t 5. 32. t 1. 31. t 4 Cs-137 27. t 5. 25. t O. 27. t 4 l

i June

• Water Cr-51 60. t 5. (54 62, t 11.

1983 Co-60 13. t 5. 14 t 1. 14 t 2.

In-65 36. t 5. 34 t 6. 37. t 6.

Ru-106 40. t 5. <40 40. t 7.

Cs-134 47. t 5. 42. t 1. 44 t 4 Cs-137 26. t 5. 25. t 2. 28. t 5.

June Water Ra-226(F) 4.8 2 0.7 3.4 t 0.4 4.7 2 1.0 1983 Ra-228 0. t O. <3 3.0 1 1.0

TABLE 2 (Cont.)

INTER-LABORATORY COMPARISONS. 1983 Collection All Participants Date Media Nuclide FPA-Results(A) *RMC/leledyne(B) Mean a s.d.

June

• Milk 1-131 30. t 6.0 29. t 1. 30. t 4.0 1983 Cs-137 47. t 5.0 46. t 3. 47. t 3.0 K 1408. t 0. 1494 2148.

Aug Air Filter Cs-137 15. t 5. 12. t 1. 19. t 4 1983 l

Sept Water Ra-226 3.1 t 0.47 3.7 2 0.4 3.1 t 0.6 1983 Ra-228 (F) 2.0 1 0.30 2.7 1 0.7 2.3 1 1.1 Oct Water Cr-51 51. t 5. <87 48. t 9.

1983 Co-60 19. t 5. 21. t 2. 19. t 2.

2n-65 (G) 40. t 5. 47. t 4 40. t 6.

Ru-106 52. t 5. <50 48. t 8.

Cs-134 15. t 5. 14 t 1. 15. t 3. l Cs-137 22. t 5. 25. t 5. 22. t 3.

1 Oct Milk Cs-137 33. t 5.8 42.7 t 4.6 34 t 4 1983 K 1550. t 90. 1689. t $3. 1580. t 81.

Nov Water Co-60 11. t 5.8 12.7 2 5. 11. t 2.

1983 Cs-134 15. t 5.8 13.7 1 4.2 14 t 2.

Cs-137 15, i 5.8 19, t 0.0 15. t 2.

Nov Air Filter Sr-90 15. t 1.7 15.3 1 1.2 15. t 3.

1983 C5-137 20. t 5.8 20.3 t 1.2 24 t 5.

Feb* Water H-3 2560 t 35. 2527. 1136. 2534 2273.

1983 Apri1* Water H-3 3330. 1362. 3254 t 50. 3298. 2241.

1983 June

• Water H-3 1529. 1337. 1603. t 90. 1552. 120/.

1983

?

TABLE 2 (Cont.)

INTER-LABORATORY COMPARISONS, 1983 Collection All Participants Date Media Nuclide EPA-Results(A) *RMC/Teledyne(B) Mean i s.d.

Oct Water H-3 1210. t329. 1260. t 61. 1226. 1185.

1983 Dec Water H-3 2410. 2260. 2389. 1405. 2341. t262.

1983 April

• Water 1-131 26.8 i 6.0 23.0 t 3.6 26.5 t 4.6 1983 Aug Water 1-131 14. t 6. 14. t 1. 14 t 3.

1983 Oct MtIk 1-131 38.7 2 5. 40. t 6.9 41. t 8.

1983 1 Dec Water 1-131 20. t 6. 18. i 1. 20. t 4 1983 Jan* Water Sr-89 29.2 t 5. 19.3 t 1.5 26.8 1 7.

1983 Sr-90 17.2 2 1.5 16.4 t .4 16.7 t 1.7 Feb' Mtik Sr-89 37.4 1 5. 36.7 1 2.9 32.2 2 6.8 1983 Sr-90 17.8 t 1.5 21.0 t 2. 16.9 t 3.5 March

• Food Sr-89 34.6 t 5. 16.7 2 3.1 33.0 2 6.3 1983 (C)

Sr-90 27.8 t 1.5 26.7 t 1.5 29.2 2 2.0 March

• Air Filter Sr-90 20. t 1.5 18. t 2. 19. t 2.

1983 May* Water Sr-39 24 t 5. 9. t 1. 25. t 5.

1983 Sr-90 13. t 1.5 5. t 0. 13. t 2.

O

TABLE 2 (Cont.)

INTER-LABORATORY COMPARISONS, 1983 Collection All Participants Date Media Nuclide EPA-Results(A) *RMC/Teledyne(B) Mean i s.d.

May* Water Sr-89 57.1 i 5. 63. t 3.6 57.2 2 9.7 1983 Sr-90 37.7 1 1.9 55.7 2 1.5 37.1 2 4.6 June

• Milk Sr-89 25. t 5.0 15. t 3. 23. t 4 1983 Sr-90 16. t 1.5 14 t 2. 15. t 2.

Aug Air Filter Sr-90 10. t 1.5 10. t O. 10. t 1.

1983 Sept Water Sr-89 15. t 5. 17. t 2. 15. t 3.

1983 Sr-90 10. t 1.5 10. t 1. 10. t 2.

Now Water Sr-89 17. t 5.8 22. t 2. 17. t 3.

1983 Sr-90 8. t 1.7 8. t 1.2 8. t 1.

(A) EPA Results - Expected laboratory precision (1 sigma). Units are in pC1/f for water, urine and milk except A which is in mg/f. Units are in total pCi for air particulate filters.

(B) Laboratory Results - Average 2 I sigma. Units are in pCi/l for water, urine, and milk except K which is in mg/f. Units are in total pCi for air particulate filters.

(C) Units for food analyses are in pC1/kg.

(D)

• Represents samples analyzed by RMC, others at Teledyne Isotopes.

(F) In order to improve the results for Ra-226 a new standard was ordered and the efficiency calibration of the alpha counter was chec6 ed, for Ra-228 the results are being counted at both the high and low beta-gamma energy regions of the daughter product Ac-228 in order to have two medspires of the pa-228 activity.

(G) Two of the three samples analyzed for 2n.65 were within the 2 sigma limits. One sample showed high results which may have been due to a low count time.

TABLE 3 INTEk-LABORATORY COMPARISONS, 1984 TELEDYNE 150TCri5 Collectton lelodyne Ali P a r t i t a p a ri t s Date Media Nuclide (PA-Results(A) Isotopes Results(B) M=er t t s.d.

01/06 Water Sr-99 36 t 8.7 29.3 1 8.7 36. 1 9.

Sr.90 24 2 2.6 23. t 3. 23. t 3.

01/20 Water Gross Alpha 10. t 8.7 8. 1 3. 10 t 3.

Gross Beta 12. t 8.7 12. t 3. 13. t 3.

01/77 Food Sr-89 34 t 8.7 33.3 t 1.7 31. t 5.

(C) Sr-90 20. t 8.7 21.7 1.7 21. t 3.

1-131 20. 1 10.4 16.3 1 1.7 20. t 4 C5-137 20. t 8.7 24.1 1 0.6 21. t 3.

K 2720. 1235, 2503. 1555. 2665. t/46.

02/03 Water Cr-51 40, r 8.7 L.T. 80. 40. t d.

Co-60 10. t 8.7 15. t 7.9 11. i 2.

2n-65 50. t 8.7 53.3 2 16.5 50. t 6.

Ru-106 61. t 8.7 58.7 2 33. 55. t 9.

Cs-134 31. t 8.7 33.3 2 3. 29. t 3.

C5-137 16. t 8.7 19.3 t 1.7 16. t 3.

l 02/10 water H-3 2383. 2607. 2/70. 2786. 236t. t/47.

03/02 Milk I-131 6. t 1.6 5.7 s 1.7 6. t 1.

03/16 Water Gross Alpha 5. t 8.7 5. t 1.3 t. t z.

Gross Beta 20. t 8.7 20. 2 3. <U. t J.

03/23 Air Filter Gross Alpha 15. t 8.7 19. t 1.7 16. t J.

Gross Beta 51. t 8.7 45. t 3.0 $6. t 6.

Sr-90 21. t 2.6 20. t 6.0 19. t 2.

Cs-137 10. t 8.7 11. t 3.5 12. t 3.

04/06 Water 1-131 6. t 1.5 5.5 2 U.4 6. t 2.

04/13 Water (E) H-3 3508. t728. 2660. 1342. 3461. r2be.

TABLE 3 (Cont.)

INTER-LA80RATORY COMPARISONS, 1984 TELEDYNE ISOTOPE 5 Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 5.d.

04/20 Water Gross Alpha 35. t 15.2 22. t 4.6 28. t 7.

(Sample A) Ra-226 4.0 t 1.04 5.4

• 3.3 4 t 0.7 Ra-228 8.31 2.16 2.9 2 0.6 7.7 2 2.3 04/20 Water Gross Beta 147. t 12.7 117. t 17.3 (0)

(Sample B) Sr-89 23. t 8.7 18. t 7.5 24 t 7 Sr-90 26. t 2.6 22. t 3.5 25. t 4 Co-60 30. t 8.7 29. t 6.2 30. t 4 Cs-134 30. t 8.7 29. t 4.6 29. t 4.

Cs-137 26. t 8.7 29. t 6.0 26. t 3.

l l

05/04 Water Sr-89 25. t 8.7 23. t 5. 24 t 4 l Sr-90 5. t 2.6 5.0 1 0.5 5. t 1.

05/18 Water Gross Alpha 3. t 8.7 2.7 1 0.8 3. t 1.

Gross Beta 6. t 8.7 6.9 2 4.0 7 t 2.

06/01 Water Cr-51 66. t 8.7 L.T. 90. 64 t 13.

Co-60 31. t 8.7 33. t 3.5 31. t 4 2n-65 63. t 8.7 69. t 15. 63. t 9.

Ru-106 29. t 8.7 L.T. 50. 30. t 11.

Cs-134 47 t 8.7 46. t 5. 44 t e.

Cs-137 37. t 8.7 39. t 1.7 37. t 4 l 06/08 Water H-3 3051. 1622. 3210. t834 3039. 1235.

06/22 Milk Sr-89 25. t 8.7 22. t 1.7 21, t 5.

Sr-90 17. t 2.6 17 t 4.6 15. 1 2.

1-131 43. i 10.4 40. t 9.6 43. t 4 Cs-137 35. t 8.7 37. t 3. 36. t 3.

K (f) 1496. 1130. 1653. t 46. 1560. t 97 07/20 Water Gross Alpha 6. t 8.7 3.8 2.4 Gross Beta 1 (D)

13. t 8.7 11.3 2 3.5 (0)

TABLE 3 (Cont.)

INTER-LABORATORY COMPARISONS. 1984 TELE 0VNE ISOTOPES Collection Teledyne All Participants Oate Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d.

07/27 Food Sr-89 25.0 t 8.7 17. t 9. (D)

(C) Sr-90 20.0 t 2.6 20. t 9. (D) 1-131 (G) 39.0 t 10.4 19. t 3.5 (D)

Cs-137 25.0 t 8.7 26. t 11. (0)

K (F) 2605.0 t226.0 3027. 11183. (0) 08/03 Water 1-131 34.0 t 10.4 31. t 3.0 36. t 5.

08/10 Water H-3 2817. 2617. 2930. t 127. 2842. 2251.

08/24 Air Filter Gross Alpha 17 t 8.7 16. t 1.7 17. t 3.

Gross Beta 51, t 8.7 47. t 3. 52. t 6.

Sr-90 18. t 2.4 18. t 1.7 17 t 2.

Cs-137 15. t 8.7 17. t 4.6 17. t 4 09/07 Water Sr-89 34 t 8.7 29. t 4.5 30. t 8.

Sr-90 19. t 2.6 19. t 1.0 18. t 3.

l 09/21 Water Gross Alpha 5.0 t 8.7 6. t 0.0 5. t 2.

Gross Beta 16.0 2 8.7 14 t 3. 15. t 3.

10/05 Water Cr-51 40. t 8.7 L.T. 107. 38. t 8.

Co-60 20. t 8.7 23. t 10.4 20. t 3.

2n-65 147. t 8.7 155. t 17.6 149. t 12.

Ru-106 47. t 8.7 L.T. 53. 45. t 9.

Cs-134 31. t 8.7 34 t 12. 29, t 3.

Cs-137 24 t 8.7 28. t 10. 25. t J.

10/12 Water H-3 2810. t356. 2720. t 531. 2814 1213.

10/22 Water Gross Alpha 14 t 8.7 11. t 1.7 13. t 4 (Sample A)

Water Gross Beta 64 t 8.7 65. t 10. 60. 2 1.

(Sample B) Sr-89 11. t 8.7 9. t 3.5 11. t 4 Sr-90 12. i 2.6 13. t 3. 13. t 3.

Co-60 14 t 8.7 19. t 3.5 lb. t 2.

Cs-134 2. t 8.7 L.T. 5. 3. t 2.

Cs-137 14 t 8.7 17. t 7.5 16. t 2.

TABLE 3 (Cort.)

INTER-LABORATORY COMPARISONS. 1984 TELEDYNE ISOTOPES Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d.

10/26 Milk Sr-89 22. t 8.7 15. t 1.7 19. t 4 Sr-90 16. 1 2.6 14 t 3. 15. t 2.

I-131 42, t 10.4 34 t 9.6 40. t 5. l Cs-137 32. t 8.7 32. t 12. 32. t 3.

K (F) 1517. 1131. 1370. t 52.7 1498. 2143.

J' I 11/16 Water Gross Alpha 7.0 t 8.7 7.3 t 1.7 7. t 2. l Gross Beta 20.0 t 8.7 21.7 t 1.7 21. t 3. I 11/23 Air Filter Gross Alpha 15. t 8.7 15. t 1.7 16. t 6.

Gross Beta 52. t 8.7 54 t 3.5 56 t 12.

Sr-90 21. t 2.6 23. t 3. 21. t 6.

Cs-137 10. t 8.7 9. t 4.6 11. I b.

12/07 Water 1-131 36, t 10.4 36. t 6.9 36. t 5.

12/14 Water H-3 3182. 1624 3523. t868. 3206. t236.

Notes:

(A) EPA Results-Expected laboratory precision (3 sigma). Units are in pCi/l for water. urine, and milk except K which c. in mg/f. Units are in total pCi for air particulate filters. /

4 (B) Teledyne Results'- Average i three sigma. Units are in pCi/f for wates-.

urine, and milk except K which is in mg/f. Units are in total pCi for a;r j particulate filters.

(C) Units for? food analyses are in ;Ci/kg.

(D) Results were t released at time of report.

(E) No action was considered necessary as the tritium results are usually accurate.

(F) Teledyne Isotopes is now using the same conversion factor that the EPA uses to convert pCi/ liter of K-40 to mg/ liter of K.

(G) There was a high decay factor due to a delay in receipt of sample after' collection. Since results are generally accurate for 1-131 no further action was planned, l

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