ML20076N296
| ML20076N296 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 12/31/1990 |
| From: | PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC, TELEDYNE ISOTOPES |
| To: | |
| Shared Package | |
| ML20076N294 | List: |
| References | |
| NUDOCS 9105030346 | |
| Download: ML20076N296 (135) | |
Text
{{#Wiki_filter:- _ - DOCKET *JO.: 50-352 50 353 LIMERICK GENERATING STATION Units 1 and 2 Annual Radiological Enviro'nmental Operating Report Prepared by PHILADELPHIA ELECTRIC COMPANY 2301 Market Street Philadelphia, Pennsylvania 19101 Analyses By TELEDYNEISOTOPES 50 Van Buren Avenue Westwood, NJ 07675
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fl (p & DOCKET NO.: 50 352 50 353 LIMERICK GENERATING STATICH Units 1 and 2 Annual Radiological Environmental Operating Repsrt Report #7 1 January throu9h 31 December 1990 Prepared By Philadelphia Electric Company Nuclear Group Headcuarters 955 65 Chesterbroo( Blvd. Wayne, PA 19087-5691 4 Radiological Analyses Performed By TELEDYNE ISOTOPES 50 Van Buren Avenue Westwood, NJ 07675 And Clean Harbors Analytical Servicts, Inc. 325 Wood Road Braintree, Massachusetts 02184 l May 1991
1 l TABLE OF CONTENTS j 1 1 1
- 1. Summary and Conclusions.................................... 1 II. Introduction .............................................. 3 A. Objectives............................................. 3 B. Implementation......................................... 3 l
l 111. Program Description........................................ 5 l A. S ampl e C ol l e c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 B. Data Interpretation.................................... 6 C. Program Exceptions..................................... 7 D. Program Changes........................................ 9 IV. Results and Discussions.................................... 11 A. Aquatic Environment.................................... 11
- 1. Surface Water............................ ......... 11
- 2. Drinking Water..................................... 11
- 3. Fish............................................... 12
- 4. Sediment........................................... 12 B. Atmospheric Environment................................ 13
- 1. Airborne........................................... 13
- a. Air Particulates ............................... 13
- b. Air Iodine-..................................... 14
- 2. Terrestrial ........................................ 14
- a. Milk........................................... 14 C. Ambient Gamma Radiation ............................... 15 V. References................................................. 17
Appendix A - Radiological Environmental Monitoring Report Summary Appendix B - Sample Designation and locations Appendix C Data Tables and Figures - Primary Laboratory Appendix D - Data Tables and Figures - QC Laooratory Appendix E - Synopsis of Analytical Procedures Appendix F - Quality Control - EPA Crosscheck Program Appendix G - LGS Surveys
SUMMARY
AND CONCLUSIONS
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- 1. Summary and Conclusions 1
This report on the Radiological Environmental Monitoring Program conducted for the Limerick Generating Station by Philadelphia Electric Company covers the period 1 January 1990 through 31 December 1990. During that time period, 2531 analyses were performed on 2141 samples. Surface and drinking (potable) water samples were analyzed for concentrations of gross beta (soluble and insoluble fractions), tritium, and gamma emitting l nuclides. Tritium activity differences were observed between control and ! indicator surface water locations and may be due to Station releases. Activities l detected from the other analyses were consistent with those observed in other ' years. Fish (predator and bottom feeder) and sediment samples were analyzed for concentrations of gamma emitting nuclides. No Station related fission products were detected. Sediment samples collected below the discharge had Cs 137 concentrations consistant with levels observed in the preoperational years. Activities found contributed less than 1% of the 10CFR50 Appendix I design objective. Other nuclides found were consistent with those in other years. Air particulate sampics were analyzed for concentrations of gross beta and gamma emitting nuclides. Concentrations detected were consistent with those observed in other years. 1 High sensitivity 1-131 analyses were performed on weekly air samples. All results were less than the minimum detectable level. Cow and goat milk samples were analyzed for concentrations of I-131 and gamma emitting nuclides. Iodine-131 results were all less than the minimum detectable i level. Concentrations of K 40 were consistent with those observed in other ' years. Trace amounts of Cs-137 were found in some milk samples. The activity ! was considered attributable to fallout from Cheronbyl. Environmental gamma radiation measurements were made monthly and quarterly using thermoluminescent dosimeters. Levels detected were consistent with those observed in other years, in assessing all the data gathered for this report and comparing these results with preoperational data, it was evident that, the operation of LGS had no adverse impact on the environment. 1
1 J i i i 1 l l l l INTRODUCTION P I i
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- 11. 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. Unit No.
I went critical on 22 December 1984. Unit No. 2 went critical on li August 1989. The site is located in Piedmont countryside, transversed by numerous valleys containir.; small tributaries which feed into the Schuylkill River. On the eastern river bank elevation 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 (ER0L) and the Branch Technical Position Paper (Rev. 1, 1979). The preoperational period for most media covers the periods 1 January 1982 through 21 December 1984 and was summarized in a separate report. This report covers those analyses performed by Teledyne Isotopes (TI) on samples collected during the period 1 January 1990 through 31 December 1990. Clean Harbors Analytical Services (CH) conducted a Quality Control (QC) program for surface and drinking water, air particulates and milk samples. A. Objectives The objectives of the Radiological Environmental Monitoring Program are:
- 1. To provide data on measurable levels of radiation and radioactive materials in the site environs.
- 2. To evaluate the relationship between quantities of radioactive material released from the plant and resultant radiation doses to individuals from principai pathways of exposure.
B. Implementation Implementation of the stated objectives is accomplished by identifying significant exposure pathways, establishing baseline radiological data of media within those pathways, and continuously monitoring those media before and during Station operation to assess Station effects (if any) on man and the environment, in order to achieve the stated objectives, the current program includes the following analyses on samplos collected
- 1. Concentrations of beta emitters in surface and drinking (potable) water, and air particulates.
- 2. Concentrations of gamma emitters in surface and drinking (potable) water, air particulates, milk, fish, and sediment.
I 3-
- 3. Concentratica.? of tritium in surface and drinking (potable) water.
- 4. Concentratio.,<, of I.131 in air and milk,
- 5. Ambient gamma radiation levels at various site environs.
i PROGPAM DESCRIPTION
III. Program Description A. Sample Collection Samples for the LGS REMP were collected for Philadelphia Electric Company by RMC Environmental Services, Inc. (RMC). This section describes the collection methods used by RMC to obtain environmental samples for the LGS REMP in 1990. Aouatic Environment The aquatic environment was examined by analyzing samples of surface water, drinking water, fish, and sediment. Two gallon water samples were collected monthly from continuous samplers located at four surface water locations (10F2, 1381, 16B2, and 24S1) and five drinking water locations (13H2, 15F4, 15F7, 16C2, and 28F3). Control locations were 10F2, 24S1, and 28F3. 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 semiannually at three locations: 16CS and 20S1 (indicator) and 29C1 (control). Sediment samples composed of recently deposited substrate were collected at three locations semiannually: 16B2 and 16C4 (indicator) and 33A2 (control). Atmospheric Environment The atmospheric environment was examined by analyzing samples of air particulate, airborne iodine, and milk. Air particulate were collected and analyzed weekly at seventeen locations (2B1, 6Cl, 901, 1053,1151,1301,13H4,1451,15D1,1781, 2001, 22G1, 26B1, 2981, 31D1, 3452, and 35B1). Control locations were 13H4 and 22Gl. Airborne iodine samples were collected and analyzed weekly from five locations, (1053,11S1,13C1,13H4, and 1451). Control location was 13H4. Air particulate and airborne iodine samples were obtained using a vacuum sampler, glau. 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. Milk samples were collected biweekly at five locations (10B1,1981, 2181, 22F1, and 25B1) during April through November, and monthly during December through March and quarterly at six locations (36El, 9G1, 11El, 13E2,18C1, and 22C1). Locations 9G1 and 22F1 were controls. Samples were collected in new unused two gallon plastic bottles from the bulk tank at each location, refrigerated, and shipped promptly to the laboratory. No preservative was added. Ambient Gamma Radiation thermoluminescent Direct radiation dosimeters (TLD)measurements were made consisting of calcium using (CaSO sulfate 4
) doped with dysprosium (Dy). 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 (36S2, 3S1, 5S1, 7S1, 1053, 1151, 14S1, 16S2, 1851, 21S1, 23S2, 2551, 26S3, 2951, 32S1 and 34S2) near and within the site perimeter representing fencepost doses (i.e., at locations where the doses will be potentially greater than maximum annual off-site doses) from LGS release; A middle ring consisting of twenty-seven locations (2B1, 2El, 4El, 6C1, 7El, 9C1,10E1,10r3,13C1,13E1,1501,16F1,17B1,1901, 2001, 20F1, 24D1, 25D1, 2681, 2802, 29B1, 29E1, 3101, 3102, 34E1, 35B1 and 35F1) extending to approximately 5 miles from the site designed to measure possible exposures to close-in population; And an outer ring consisting of five locations (SH1,13H4, 18G1, 22G1 and 32G1) extending from approximately 12 to 30 miles from the site and considered to be unaffected by LGS releases. The specific TLD locations were determined by the follow'ng criteria:
- 1. The presence of relatively dense population;
- 2. Site meteorological data taking into account 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 significant;
- 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, j Two TLDs - each comprised of four thermoluminescent phosphors sealed in plastic - were placed at each location in a PVC conduit located approximately three feet above ground level. One TLD was exchanged monthly and the other quarterly and sent to the laboratory for analysis.
B. Data Interpretation t The radiological and direct radiation data collected prior to LGS becoming operational was used as a baseline with which this operational data will be compared. For the purpose of this report, LGS was considered operational at initial criticality. In addition data will be compared to previous years' operational data for consistency and trending. Several factors are important in the
l l l I 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, H-3 and gamma) an activity that was greater than or ec ual to the MDL was reported as " activity plus/minus the two s< gma counting statistic". When an activity was less than the MDL, the result was reported as "< the MDL value". The lower limit of detection (LLD) was 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).and 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 calculatico, see Appendix ! E. l 1 Data received from the laboratory were reported using the convention I of rounding the result to the same number of significant places as i the first significant digit in the error term (i.e., 3.6211.23 I rounds to 4 i 1; 10.93 1 0.96 rounds to 10.9 1 1.0). Results for i each . type of sample were grouped according to the analyses l performed. For gamma analyses, at least those nuclides specified in Technical Specification Table 3.12.1-2 for each sample media and nuclides which had a positive occurrence were reported. Means and j standard deviations of these results were calculated. These i standard deviations r'epresent the variability of measured results I for different samples rather than single analysis uncertainty. For l these calculations, all results below the MDL were considered to be i at the MDL. As a result, the means were biased high, and the standard deviations were generally biased low. C. Program Exceptions For 1990 the LGS REMP had _a sample recovery rate of better than 99%.
.-The exceptions to this program are listed below:
- 1. Air particulate and air . iodine samples were not collected from location 13H4 during week No.12 due to a sample collection error.
- 2. The air particulate filter was deemed unusable at location 901 during week 16 and at location 14S1 during week 32.
- 3. Air particulate samples at the following locations were not collected due to pump failures: 34S2 (wk. no. 25), 601 (wk.
no. 28 and 46), 2001 (wk. no. 33), and 1501 (wk. no. 34).
- 4. Air particulate sample was not collected from location 17B1 during week No. 27 due to equipment breakdown.
- 5. Air particulate and air iodine samples were not collected from location 13C1 during week No. 44 due to a pump failure.
- 6. QC air particulate sample was not collected from location 1152 during week No. 28 due to a pump failure.
The specific dates for the above weeks may be found in Table C-IX 1, Apendix C or Table D IV.1, Appendix D.
- 7. Surface water samples collected at location 24S1 (LGS Intake) were composites of weekly grabs due to equipment problems during the following dates: 4/27/90,4/30/90,5/7/90,6/9/90, 6/11/90, 6/18/90, and 12/26/90.
- 8. Surface water samples collected at location 13B1 (Vincent Dam) were compositns of weekly grabs due to equipment problems during the following dates: 11/12/90 and 12/26/90.
- 9. Surface water samples collected at location 10F2 (Perkiomen Pumping Station) were composites of weekly grabs due to equipment problems during the following dates: 3/19/90, 3/26/90, 6/11/90, 6/18/90, 6/25/90, 7/2/90, 7/23/90, 12/10/90, 12/17/90,and12/26/90.
- 10. Surface water samples collected at location 16B2 (Linfield Bridge) January through December were weekly grab samples due to pump malfunctions.
- 11. Drinking water samples collected at location 15F7 (Phoenixville Water Works) were composites of weekly grabs due to equipment problems during the following dates: 2/13/90.
- 12. Drinking water samples collected at location 28F3 (Pottstown Water Authority) were composites of weekly grabs due to equipment problems during the following dates: 1/2/90 and 12/10/90.
- 13. Drinking water samples collected at location 13H2 (Belmont Water Works) were composites of daily grabs between 1/2/90 and 6/25/90 due to plant maintenance.
- 14. Milk Farms 11El and 13E2 went out of business beginning the second quarter 1990.
- 15. Goat Hilk Farm 1081 had no available milk for February and March, 1990.
Each program exception was reviewed to understand the causes of the program exception. Sampling and maintenance errors were reviewed with the personnel involved to prevent recurrence. Occasional equipment breakdowns and power outages were unavoidable. The
.g.
l overall sample recovery rate indicates that the appropriate procedures and equipment are in place to assure reliable program implementation. The problems observed at location 1682 (Linfield Bridge) have occurred for many years. We have added another location (13B1) which should be easier to maintain. This location will replace 16B2 in the 1991 REMP. D. 1990 Program Changes
- 1. Game, vegetation and well water sampling was discontinued from the REMP.
- 2. Compositing of air particulate samples for gamma analysis was changed from monthly at seventeen locations to quarterly at five locations.
- 3. Milk samples from the non Tech. Spec, f arms were collected quarterly instead of monthly and analyzed for 1-131 only.
- 4. Surface water locations 13H5,15F5, and 24S2 were dropped from the REMP.
- 5. Surface water location 1381 was added to the REtiP beginning in July, 1990.
- 6. Iodine-lil analysis of air iodine samples was conducted weekly on only five locations instead of the previous year's eight.
- 7. A QC laboratory was added for the following sample types: air particulates, surface and drinking water, and milk. The results of their analyses are presented in Appendix D.
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RESULTS AND DISCUSSION
IV. Results and Discussion A. Aquatic Environment
- 1. Surface Water Samples were taken from four locations on a monthly schedule.
Samples were collected from a continuous sampler at all four locations (10F2, 1381, 16B2, and 24S1). Of these locations, three (1381 and 16B2) could be affected by Station discharges. The following analyses were performed. Gross Beta Samples from all locations were analyzed for concentrations of gross beta in the soluble and insoluble fractions (Tables C 1.1 and C 1.2, Appendix C). Detectable activity was observed in the soluble and insoluble fraction of the surface water samplest the values were consistent with previous years (Figures C-1 and C 2, Appendix C) and ranged from 2.1 to 12 pCi/1 for the soluble fraction and from <.3 to 2.3 pCi/1 for the insoluble fraction. Similar activity levels were observed between indicator and control locations for the soluble and insoluble fractions. Tritium Samples from le. ations 10F2,13B1,16B2, and 2451 were analyzed for tritium activity (Table C l.3, Appendix C). Positive tritipm activity was observed at each sample location and values ranged from <30 to 210 pCi/1. Activity levels observed at the two indicator locations (13B1 and 16B2) were slightly above those levels observed at the control locations (10F2 and 24S1). The mean values were 140 and 80 pCi/1, respectively. The tritium observed at locations below the LGS discharge may be associated with Station releases of tritium. Gamma Soectrometry Samples from all locations were analyzed for gamma emitting nuclides (Table C-l.4, Appendix C). With the exception of naturally occurring X-40, all nuclides searched for were below the minimum detectable level.
- 2. Drinkina (Potable) Water Monthly samples were taken from five locations (13H2,15F4, 15F7,16C2 and 28F3) and were collected from continuous water samplers. Four locations (13H2,15F4,15F7 and 1602) could be affected by Station discharges. The following analyses were performed:
Gross Beta Samples from all locations were analyzed for concentrations of gross beta in the soluble and insoluble fractions (Tables C-II.1 and C II.2, Appendix C). The values ranged from 1.9 to 12 pCi/1 for the soluble fraction and from <.2 to 6.4 pCi/1 for the insoluble fraction. Concentrations detected in both fractions were consistent with those observed in previous years (Figures C 3 and C 4 Appendix C). Tritium Samples from locations 13H2,15F4,15F7,16C2 and 28F3 were analyzed for tritium activity (Table C II.3, Appendix C). Positive tritium activity was observed at each sample location. The measurements ranged from 40 to 170 pCi/1. Similar activity levels were observed at all locations. Gamma Soectrometry Samples from all locations were analyzed for gamma emitting nuclides (Table C-!!.4, Appendix C). With the exception of naturally occurring K 40, all nuclides searched for were below the minimum detectable level.
- 3. Eith Fish samples comprised of catfish / bullhead (bottom feeder) and redbreast /pumpkinseed (predator) were collected at three locations (16C5, 20S1 and 29C1) semiannually. Two locations (16C5 and 20SI) could be affected by Station discharges. The following analysis was performed:
Gamma Socctrometry The edible portion of fish samples from all three locations was analyzed for gamma emitting nuclides (Table C-III.1, Appendix C). With the exception of naturally occurring K-40, all
-"clides searched for were below the minimum detectable level.
H1ctorical levels of Cs-137 are shown in Figure C-5, Appendix C.
- 4. S.edigt;'11 Aquatic sediment samples were collected at three locations (1682,16C4 and 33A2) semiannually. Of these locations, two (16B2 and 16C4) could be affected by Station discharge. The following analysis was performed:
Gamma Soectrometry Sediment samples from all three locations were analyzed for gamma emitting nuclides (Table C-IV.1, Appendix C). Nuclides detected were naturally occurring Be-7, K-40, Ra-226 and l Th 228, and fission products Cs 137. The nuclides Th 228 and Ra 226 commonly occur in sediment from daughter decay of natural uranium. Concentrations of Cs 137 were found in sediment samples from both control and indicator locations. Location 16C4 had the highest average concentration of .29 pCi/g dry. This activity was consitent with those observed in the preoperational years (Figure C 6, Appendix C). The activity of Cs 137, which commonly occurs in sediment from worldwide fallout, was not attributed to LGS releases because Cs-134 was hot also found. B. Atmospheric Environment
- 1. Airbot*
- a. f dti L air particulate samples were collected from seu iccations on a weekly basis. The seventeen loca; n are separated into three groups: Group 1 represents locations within the LGS site boundary (1053, 1151,14S1 and 34S2), Group 11 represents locations near the LGS site (2B1, 601, 9C1,1301,1501,1781, 2001, 26B1, 29B1, 3101, 35B1), and Group III represents control locations at remote distances from LGS (13H4 and 22Gl). The following analyses were performed:
Gross Beta Weekly samples were analyzed for concentrations of beta emitters (Table C-V.1, Appendix C). Detectable gross beta activity was observed at all locations. Comparison of results among the three groups aid in determining the effects, if any, resulting from the operation of LGS. The results from tge On-Site locations (GroupI) anged from 3 to 47 E 3 pCi/m with a mean of 16.4 E-3 pCi/m[. The results from the Intermediate gistance locations (Group II) ragged from 4 to 36 E-3 pCi/m with a mean of 16.3 E-3 pCi/m . The results from the Diatanct locations (Group III) rapped from <2 to 34 E-3 pCi/m$ with a mean of 17.9 E-3 pCi/m . Comparison of the weekly mean values indicate no notable differences among the three groups (Figure C-7, Appendix C). Comparison of the 1990 air particulate data with previous years data suggest no effects from the operation of LGS (Figure C-8. Appendix C). Gamma Soectrometry Weekly samples from five icoations (1053,11S1,14S1,13C1, and 13H4) were composited and analyzed quarterly for gamma-emitting nuclides (Table C-V.2, Appendix C). Naturally occurring Be-7 due to cosmic ray activity was I
t detectedjnallsamples. These values ranged from 43 to 88 E-3pCi/m. K 40, also naturally occurring, was detected in 6of20samp{es. The positive K-40 values ranged from 4 to 10 E 3 pC1/m . All other nuclides searched for were below
- the minimum detectable level. No significant difference in L activity was observed between the control and indicator locations.
- b. Airborne Iodine Continuous air samples were collected from five (1053,1151, 1451, 1301, and 13H4) locations and: analyzed weekly for I-131. Results of the 1131 analysis are found in Table ;
C-VI.1, Appendix C. All results were less than the minimum detectable level.
- 2. Terrestrial a tillk (
Samples were taken from five locations (1081,1981, 2181, - 22F1 and 25B1) biweekly during the grazing season ! (April-November) and monthly at other times. Samples from six additional locations 9G1, llEl, 13E2, 1801, 22C1 and 36EI) were taken quarterl(y. The following analyses were - . performed: : Iodine-131 l All milk samples from all locations. were analyzed for I concentrations of I 131 (Table C VII.1, Appendix C). All results were less than the minimum detectable level. Gamma Soectrometry E Each milk sample from:1ocations 1081, 1981, 2181, 22F1 and 2581 were analyzed for- concentrations of gamma emitting nuclides(TableC-VII.2,AppendixC). With the exception of.Cs 137-and K-40, all nuclides searched for were below the minimum detectable level. The values for K 40 ranged from 320 to 1700 pCi/1. One K-40 value (320-t 40)whichwascollectedfromthe'goatfarmwasinvesticated: for being lower than expected. The conclusion reached suggested that the goats were beginning to end lactation. No milk was available from this farm in February and March . due to this condition. ' Positive concentrations of Cs 137 were found in goat milk (1081) ranging from 3 to 7 pC1/1, Cesium 137 was also found in 4 of 44 cow milk farms. The positive values ranged from 4 to 5 pC1/1. This activity was attributed to residual i fallout from Chernobyl (Figure C 9, Appendix C). 14
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l l C. Ambient Gamma Radiation Ambient gamma radiation levels were measured utilizing CaS0 6:Dy thermoluminescent dosimeters. Forty eight TLD locations were established around the site in a three ring concept for comparison 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 site; and an " outer ring" of five locations at distances outside the ten mile radius of the site. Results of TLD 1 measurements are listed in Tables C-VIII.1 to C-VIII.4, Appendix C. l Most of the TLD measurements were below 10 mrad /std. month, with a : range of 3.6 to 11.0 mR/std. month for the mor.thly TLDs and from 1.9 ' tor 8.2 mR/std. month for the quarterly TLDs. Levels measured were l consistent with those observed in previous years (Figure C-10, 1 AppendixC). l l J u i
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4eM&- l l I l l i l 1 REFERENCES 1 1 1
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V. 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. Preoperational Radiological Environmental Monitoring Program Report, Limerick Generating Station Units 1 and 2,1 January 1982 through 21 December 1984, Teledyne Isotopes and Radiation Management Corporation.
- 4. - Radiological Environmental Operating Report No. 2, Limerick Generating Station Units 1 and 2,1 January through 31 December 1985, Ph1odelphia Electric Company.. analyses by Teledyne Isotopes. . ;
- 5. Radiological Environmental Operating Report No. 3, Limerick i Generating Station Units 1 and 2,1 January through 31 December l 1986, Philadelphia Electric Company, analyses by Teledyne Isotopes. j
-6. Radiological Environmental Operating Report No. -4, Limerick Generating Station Units = 1 and 2,1 January through 31 December i 1987, Philadelphia Electric Company, analyses by Teledyne Isotopes. 1
- 7. Radiological- Environmental Operating Report No. 5, Limerick l Generating Station Units 1 and 2,1 January through 31 December 1988, Philadelphia Electric Company, analyses by Teledyne Isotopes.
L 8. Radiological Environmental Operating Report No . - 6 Limerick Generating' Station Units 1 and 2,1 January through 31 December ' 1989, Philadelphia Electric Company, analyses by Teledyne Isotopes. 17 -
RADIOLOGICAL ENVIRONMENTAL HONITORING REPORT
SUMMARY
l
e i 4 APPENDIM Q RADIOLOGICAL ENVIRONMENTAL. NOWITORING PROGRNE AWWUAL SIDetARY leAE OF FActLITT: LIMERICK GENERATI10G STATION DOCKET u0.: 50-352 & 50-353 j LOCATION OF FACILITY: MONTGOMERY CIRNITY, PA . REPORTING PERIN : 1990 t i lee!CATOR CONTROL LOCATIO4 WITN NIGdEST l REQUIRED LOCAftaus LOCATIONS AmMUAL M Asl NUNSER f' MEDItst OR TYPE OF IRstBER OF LOIER LIMIT MEAN MEAm' MEAll STATION 8 0F N(DIROUTtuE 1' PATNWAY SAMPLED ANALYSES ANALYSES OF DETECTION (F) (F) (F) mAME REPORTED (UNIT OF MEASUREMENT) PERFORMED PERF0pMED (LLD) ~ RAWGE- RAeGE - RANGE DISTAIICE & DIRECTION MEASUREMENTS 3 ..................... ............. ......... ...... ... ........ ... .........-.. ............. . ...- - , - -- SURFACE WLTE2 GROSS SETA 42~ 4 4.4 5.0 ' 5.9 10F2 (CouTROL) 0 (PCf/ LITER) SOLUBLE: (18/18) (24/24) (12/12) PE M IDIEEE PLSEPING STAfl0N . (2.8-12.0) - (2.1-10.0) (2.4-10.0) 7.1 NILES E OF SITE s GROSS BETA 42- 4 1.0 0.8 1.0 1381 '(IesICATOR) 3
- - INSOLUBLE' (10/'48) ~ (13/24) (3/6) .
VINCENT DAst f (0.6-1.7)- -(0.4-2.3) (0.6-1.3) 1.8 NILES ESE OF SITE N-3 A00EOUS- 14 2000 140 80 140 1682 (luDICATOR) O LIO. SCtNT.- (6/6) (6/8)' (4/4) Lt# FIELD BRIDGE W/Etut (60-210) (50-120) (70-210) 1.1 WILES SSE OF StTE 42 L .GANMR 10-40 m/A to 8 11 1682 (leICATOR) 0
- ' (5/18) (8/24) (4/12) L18 FIELD SRIDGE (7-17) (T-13) (8-17) 1.1 w!LES SSE OF StTE l
seN-54 15 < LLD < LLD < LLD 0 C0-58 15 < LLD < LLD < LLD C
- FE-59 30 < LLD < LLD < LtD 0 Co-60 15 < LLD < LLD < LLD 0
- ZN-65 30 < LLD < LLD < Lt.D 0
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. SPECIFIED LOCAft0IES IS INDICATED IN PARENTHESES. (F)'
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a APPESDIY A. . ,. RADIOLOGICAL ENVIRONIENTAL MUNITOR1hG PR06AAM ANNUAL SWW4ARY I ENE OF FACIllif: LIMERICK GENERATING STATICER DOCKEY No.: 50-352 5 50-353 I + LOCAfiUI OF FACILITY: MONTGONERT CDuhTY, PA . REPORTIME PEtt0D: 1990 t ' j. INDICATOR CONTROL LOCATION WITE It!CNEST , PEQUIRED LOCATI"1sts - LOCATIONS AmtsuRL MEAfl NLMBER ! IEEDItSt OR TYPL or NLD8BER OF LOIS L!siilf fqEAsi MEAll - EAll STATION 8 0F NONROUTINE i PATNWAY SApetED' (F) (F) NApif )- AssALYSES . ANALYSES OF DETECT 10E (F) REPORTED i (UNIT OF MEASUREMENT) PERFOMEED . PERFORMED (LtD) RAleGE RANGE' RAsIFK DISTANCE & DIRECTION MEASUREMENTS i- FISM GAMMA PREDATOR fut-54 .'" < LLD < LLD < LLD 0 4 l" (PCI/ GRAM WET) CO-58 .i ; 4 LLD < tLD . < LLD 0 l
- ' FE-59 .cr < LLD < LLD < LLD 0 !
CD-60 -11 < LLD < LLD < LLD 0 IN-65 .26 < tto . < LtD < LLD 0 t CS-134 .13 < LLD < LLD < LLD 0 [ CS-137 .15 < LLD < LLD < LtD 0 i 5 FISH GAfstA 6- i . SOTTO4 FEEDER . K-40 N/A 3.4 3.2 3.5 1605 (INDICATOR) 0 I , (PC1/ graft WET) -(4/4) (2/2) (2/2) viesCENT POOL ! (3.1-3.7) (3.1-1.3) (3.4-3.6) DomSTREAft OF DISCMARGE ! N0-54 .13 < LLD < LLS . < LLD 0 (D .13 < LLD < LLD < LLD 0 : FE-59 426 < LtD - < LLD < LL7 0 CD-60 .13 < LLD < LLD < LLD 0 21-65 .26 < LLD < LLD < LLD 0 CS-134 .13 < LLD < LLD < LLD C ! CS-137" .15 < LLD < LLD < LLD 0 i t [ SILT GMEMA 6 (PCI/ graft D-Y) SE-T N/A 2.5 2.3 3.5 16C4 (IMDICATOR) C (4/4) (1/2) (2/2)
~
V!NCENT DAM (0.7-5.5) (2.8-2.8) (1.5-5.5) DOWMSTREAM OF DISCnAREE t 3 i i i MEAel AadD RAstGE SASED UPON DETECTABLE IEASUREMENTS Desti. FRACTION OF DETECTAELE MEASUREMENTS AT
- SPECIFIED LOCATIOI85 IS INDICATED IN FARENTNESES. F) e i 1
- A-3 i 4 i [ 3. i t 1 i + 1 -
- ~
APPOS1N A RADIOL 0wlCAL ENVIP00 MENTAL M3di10 RING PROGRM ANNUAL St# MARY NAME OF FACILITY: LIMERICK EERATING STATION DOCKET Wo.: 50-352 & 50-353 LOCATION OF FSCILITY: MONTGOMERY COUNTY, PA REPORTING PERIOD: 7990 h IWblCATOR' CDMTROL . LOCATION tt!TN MIGNEST ANNtML MEAN NUMBER REQUtaED ' LOCATIONS LOCAftDNS MAN STATION # OF NONROUTINE MEDItM G1 TYPE OF NUMBER OF LOWER Litt!T MEAM MAN REPORTED PATHWAY SAMFLED mah4 LYSES ANALYSES OF DETECTION (F) (F) (F) NAMC RANK ~ RANE DISTAFCE & DIRECTION MEASUREMENTS PERFORED (LLD) RANGC
..................... ....... .... ......... ............ ... ~.... .... ....... ............. .. -
(UNIT OF MEASURh' MENT) PERFORMED - - -- -....- . .. -- SILT r*y,;A 11 15 16C4 (telCAf0R) 0 K-40 N/A 15 (PCI/ GRAM DRY) (4/4) (2/2) -(2/2) VINCEET DAM (14-16) (10 12) . (15-16) DOWNSTREAM OF ctSCRARE
< LLD 0 CS-134 .15 < LLD < LLD 0.29 16C4 (INoICATOR) 0 CS-137 .18 0.25 0.11 (4/45 (1f2'1 (2/2) VINCENT DAM 49.12-c E ) (0.11-0.11) (0.27-0.31) DowSTREm 0F DISCNARGE 2.0 2.3 16C4 (INDICATOR) 0 RA-226' N/A 24 (4/4) (2/21 (2/2) V!stGNT cm (1.6-7.5) -(1.9-2.2) (2-2.5) 00uNSTREM OF DtSCHARE I
1.2 1.5 16C4 (le!CATOR) 0 TR-228 w/A 1.4 4 ('/4) (2/2) (2/2) VINCENT C M (1.2-1.9) (1.0-1.4) (1.2-1.9) 00WNSTREM OF DISCHARE 18 20 13N4 (CONTROL) 0 AIR PARTICULATE GROSS BETA 875 15 . (772/772) (102/103) (51/51) 2301 MARKET ST. (PMILA.) (E-3 PCI/Clf. METER) (5-34) 28.8 MILES SE OF SITE G-47) (5-34) Gaps *A 20 0 N/A 55 60 60 '13C1 (INDICATOR) SE-7 (16/16) (4/4) (4/4) KING ROAD (43-88) (53-67) (46-88) 2.9 MILES SE OF StTE 10 1053 (INDICATOR) 0 K-40 N/A 8 5 (4/16) (2/4) (1/4) KEEN ROAD (6-10) (4-T) (10-10) 0.5 MILES E OF SITE EAN AND RASGE sisFD UPON DETECTABLE MEASURCMENTS ONLY. FRACTION CF DETECTABLE PEASUREMENTS AT SMCITIED LOCATIorS 15 tuotCATED Ig PAREhTNESES. (F) A-4
APPENDIM Q "mADI4.DGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL SupWARY ' NAME OF FACILITY: LIMERICK GENERATING STATION ' DOCKET NO.: 50-352 4 50-353 LOCATION OF FACILITY: MONTGOMERY COUNTY, PA REPORTING PERI (D: 1990 i INDICATOR CONTROL LOCATION WITH NIGMEST REQUIRED LOCATIONS LOCATIONS- ANNUAL MEAN NLMBER MEDILM OR TYPE OF NUMBER OF LOER LIMIT MEAN MEAN MEAN STATION f OF NONROUTINE
- j. PATHWAY SAPPLED ANALYSES ANALYSES OF DETECTION (F) (F) (F) NAME REPORTED
- (tMIT OF MEASUREMENT) PERFORMED PERFORMED (LLD) RANGE RANGE RANGE DISTANCE & DIFECTION MEASUREMENTS AIR PARTICULATE GNetA (E-3 PCI/CU. METER) CS-134 .05 < LLD < LLD < LLD 0 i' CS-13T .06 < LLD < LLD < LLD 0 i
AIR IODINE I-131 258 < LLD < LLD < tLD 0 j (E-3 PCI/CU. METER) I } MILK I-131 102 1 < LLD < LLD < LLD 0 (PCI/ LITER) RADIOCNEMISTY l GAsmA 85 l- K-40 N/A ?260 1300 1300 22F1 (CONTRA.) 0
- (63/63) -(22/22) (21/21) REGIfutAL FARM l (900-1400) (1100-1500) (1100-1500) ~).8 MILES SW OF SITE 1
CS-134 < LLD < LLD < LLD 0 15 CS-137 18 4 4 5 2151 (INDICATOR) 0 (3/63) (1/22) (2/21) REGIONAL FAmt (4-5) (4-4) (4-5) 1.7 MILES SW OF SITE BA-140 60 < LLD < LLD ' < LLD 0 l LA-140 15 < LLD . < LLD < LLD 0
- GOAT MILK I-131 19 < LLD < LLD D ,
- (PCI/ LITER) RADIOCHEMISTY l
l f . MAN AND RANGE BASED UPON DETECTA8tE MEASUREENTS ONLY. FRACTION OF DETECTABLE EASLREMENTS AT l SPECIFIED LOCATIONS IS INDICATED IN PAEENTNESES. (F) l t V.5 l i
1 APPENDIX A RADIOLOGICAL ENVIRohMENTAL MONITORING PROGRAM ANNUAL SLR#tARY 00Ct:ET No.: 50-352 & 50-353 NAME OF FACILITY: LIMERICK GENERATING STATION LOCATION OF FACILITY: MONTGOMERY COUNTY, PA REPORTING PERIOD: 1990 . INDICATOR CONTROL LOC 1 TION WITN HIGHEST ANNUAL MEAN NUMBER REQUIREP LOCATIONS LOCATIONS MEAN STATION # OF NOBHtatfTINE TYPE OF NtmBER OF LOWER LIMIT MEAN MEAW MEDILM OR REPORTED ANALYSES ANALYSES OF DETECTION (F) (F) (F) NAME PATHWAY SAMPLED DISTANCE & DIRECTION MEASUREMENTS RANGE RANCE RANGE (tNIT OF MEASUREMENT) PERFORMF0 PERFORMED (LLD) GOAT MILK CAf#tA 19 0 1420 1420 1081 (INDICATOR) (PCI/ LITER) K-40 N/A (19/19) REGICNAL FARM (19/19) (320-1700) (320-1700) 1.1 MILES ESE OF SITE
< LLD 0
CS-134 15 < LLD 5 1081 (INDICATOR) 0 CS-137 18 5 (8/19) (8/19) REGIONAL FARM (3-7) (3-7) 1.1 MILES ESE OF SITF
< LLD 0 BA-140 60 < LLD 0 15 < LLD < LLD LA-140 8.84 31D1 (INDICATOR) 0 TLD-MONTHLY 575 N/A 7.10 7.01 DIRECT RADIATION (12/12) LINCOLN SUBSTATION (515/515) (60/60)
(MILLI-ROENTCEN / STD. MONTN) (3.60-11.00) (3.70-10.00) (7.50-11.00) 3.0 MILES W OF SITE 7.95 3101 (IMDICATOR) 0 TLD-QUARTERLY 192 N/A 6.30 5.95 (172/172) (20/20) (4/4) LINCDLN SUBSTATION (4.40-8.20) (1.90-8.10) (7.70-8.20) 3.0 F.ILES W CF SITE A-6 j
_t SAMPLE DESIGNATION AND LOCATIONS I
APPENDIX B: SAMPLE DESIGNATION AND LOCATIONS LIST OF TABLES AND FIGURES TABLES TABLE B-I: Location Designation and Identification System for the Limerick Generating Station TABLE B-II: Sample Collection and Analysis Program for the Operational Radiological Environmental Monitoring Program, Limerick Generating Station, 1990 FIGURES FIGURE B-1: Environmental Sampling Locations on site or near the Limerick Generating Station FIGURE B-2: Airborne and TLD Environmental Sampling Stations at Intermediate Distances from ti,e Limerick Generating Station FIGURE B-3: Aquatic and Terrestrial Environmental Stations at Intermediate Distances from the Limerick Generating Station FIGURE 0-4: Environmental Sampling Stations at Remote Distances from the Limerick Generating Station l
TABLE B I: Location Designation and Identification System for the Limerick Generating Station XXYZ - General code for identification of locations, where: KK
- 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 Zone 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 : 01 mile off-site F : 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 Z - Station's Numerical Designation within sector and zone, using 1, 2, 3... in each sector and zone. B-1
i l:
. TABLE B-II: Sample Collection and Analysis: Program for the Radiological Environmental Monitoring Program for Limerick Generating. Station, '1990 i
Location Location . Distance & Direction Collection Method Analysis & Frequency. ;
Description:
and frequency Performed--Consultant-I' & l A. Surface Water , 10F2 ' Perkf omen Ptaping i 7.1 m'tes E Two gatton sample cettected from a G. Deta (SSI) - monthly - TI i Station' (controt) continuous water saapter, monthly Gamae Spec - monthly - TI Trititas - quarterly camp. - TI , G. Beta (541) - monthly - CN* '! Cause Spec - monthly - CH* 1381 Vincent Dan 1.8 miles ESE Samme as 10F2 Same as 10F2 (indicator)
. I 1682 Linf? eld Bridge 1.1 miles SSE Same as 10F2 Same as 10F2 ;
(Indic.stor) , Same as 10F2 i 24S1 Limerick Intake 0.3 mites SSW Same as 10F2 " (controt) B. Drinkino (Potable) Water 13N2 8elmont Water Works 25.5 miles SE Two gatton composite sample collected - G. Seta (S&I) - munthly - TI' ! (indicator) from a continuous water saapter, Gmama Spec - montSty - TI 7 monthly Trititsu - quarterly cap. - TI i 15F4 Philadelphia 7.8 miles SSE Same as 13M2 Same as 13M2 i i Stburban Water Ccapany (indicator) F I B-2 L
TABLE B-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for Limerick Generating Station, 1990 Collection Method Analysis & Frequency Location Location Distance & Direction Performed--Consultant Description and Frequency Same as 13H2 5.2 miles SSE Same es 13H2 15F7 Phoenixvitte Water Works (indicator) Same as 13H2 Same as 13H2 16C2 Citizens Home Water 2.4 miles SSE Conpany (indicator) Same as 13N2 Same es 13H2 2Sf3 Pottsto.an Water 5.9 mites WWW
' Authority (control)
C. Cow's Milk Two gations processed milk purchased 1-131 - quarterly - ff 36E1 4.7 miles N q.sarterly at f ars dairy store Two gatton grab sample cottected from same as 36Et Control 11.4 miles 9G1 bulk tank at fare q;arterly Same as 36E1 4.9 miles ESE Sane as 9G1 11El Same as 36E1 4.5 miles SE Same. as 9G1 13E2 Same as 36E1 1.9 miles S Same as 9G1 18C1 I-131 - biweek(y - TI 1.9 miies SSW 81-weekiy during erazing season 1981 ( Aprit through november; sonthly Gamma spec - biweekly - TI otherwise I-131 - quarterly - CH* Ganna Spec - querterty - CH* B-3
h TABLE B-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for Limerick Generating Station, 1990 I i i Distance & Direction Collection Method Analysis & Frequency l Location Location Performed--Consultant Description and frequency Same as 1981 Same as 1981 21B1 1.7 miles su Same as 9G1 Same as 36E1 22C1 3.0 miles Su Same as 1981 Same as 1991 22F1 Centrot 9.8 miles Su 1-131 - biweekty - 1I 1.3 mites usu Same as 1991 2581 Ganne Spec - biweekly - TI l
- 0. Goat's Milk Two gatton grab sample purchased at I-131 - biweekly - TI 1081 1.1 mile ESE Ganns Spec - biweekiy - TI goat f arm, biweekly darine Srating season (Aprit through Woven 6er);
monthly otherwise 1 l E. Air Particulates/ Air Iodine G. Beta - weekly - Tl Sanatoga Stbstation 1.5 miles WWE Approximately 1 cfm continuous flow 281 I-131 - if necessary through glass fiber and charcoat fitters (approx. 2" diameter) which are installed for one week and replaced Same as 281 Same as 2B1 6C1 Pottstown 1anding 2.1 mi1es ENE Field B-4
TABLE B-II: ' Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for Limerick Generating Station, 1990 Collection Method Analysis & Frequency Location Location Distance & Direction Performed--Consultant Description and Frequency Same as 281 2.2 miles E Same as 281 9C1 Reed Road G. Beta - weekly - TI 0.5 miles E Same as 281 1053 Keen Road Ganssa Spec - q.sarter1y cosp. - TI I-131 - weekly - TI Same as 1053 0.5 miles ESE Same as 281 1151 LGS Information center G. Seta - weekly - CH* 0.5 mites ESE Same as 281 1152 LGS Information Ganne Spec - quarterly corp - CH* Center Same as 1053 Eing Road 2.9 miles SE Same as 281 13C1 Same as 281 Same as 1053 13H4 2301 Market St., 28.8 miles SE Philadet@ia (controt) Same as 1053 Longview Road 0.6 miles SE Some as 291 1451 Same as 1152 tongview Road 0.6 miles SE Same as 281 14S2 Same as 281 3.2 miles SE Same as 281 1501 Spring City Substation Same as 281 1.6 miles S Same as 281 1781 Linfield Stbstation Same as 281 3.1 mites SSW Same as 281 20D1 Ettis Wood Road Same as 281 17.6 miles SW Same as 281 22G1 Manor Stbstation (controt) B-5
l TABLE 8-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for Limerick Generating Station, 1990-Collection Method Analysis & Frequency Location Location Distance & Direction Performed--Consultant Description and frequency Some as 231 same as 291 2681 Old schuytkilt Road 1.7 miles W Same as 291 same as 291 2981 Vost Road 1.8 miles NW Same as 281 same as 1053 3101 Lincoln Sdstation 3.0 miles NW Same as 281 same as 281 34s2 Met. Tower #1 0.6 miles muW Same as 1053 1.9 miles kNW Same as 281 3581 Pleasantview Road F. Fish Fish flesh troet two grotps Gamma Spec - semiennuetty - Ti 16c5 Vincent Poot Downstream of Discharge repre - "hg predator and bottom (indicator) feeder species collected by electrofisher or other appropriate fishery gear, semiannuelty Same as 16c5 Discharge Area Downstream of Same as 16C5 20S1 (indicator) Discharge Same as 16c5 Pottstown vicinity Upstream of same as 16c5 29C1 (rontrol) Intake S. Sediment Recently deposited sediment collected Gamma spec - semiannually - TI 1682 Linfield Bridge Downstream of Discharge below the watertine, semi-annually (indicator) 1 B-6 1 1
TABLE B-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for Limerick Generating Station, 1990 Collection Method Analysis & Frequency f Location Location Distance & Direction Performed--Consultant I Description and Frequency ! l l Same as 1682 f Downstream of same as 1682 l 16C4 vicent Das (indicator) Discharge I Same as 1682 upstream of same as 1682 control 33A2 Discharge H. Environmental Dosimetry - TLD Collection method and frequency is TLD - man.hly - TI 3652 Evergreen & Sanatoga 0.6 miles N TLD - q;arterly - TI described in placement procedure Road Section III, A. Same as 3652 Saratoga sekstation 1.5 miles NNE Same as 3652 281 Same as 3652 Laughing Waters CSC 5.1 attes kNE Same as 3652 2E1 Same as 3652 Senatoga Road 0.6 miles NME Same as 3652 3St Same as 36S2 Same as 3652 4E1 Neif fer Road 4.6 miles NE Same as 3652 0.4 miles NE Same as 3652 5$1 Posstsa Mottow Road Same as 3652 25.8 miles NE Same as 3652 5H1 Birch Stbstation Same as 3652 Pottstom Landing 2.1 miies ENE Same as 3652 6C1 Fietd Same as 3652 Saoe as 3652 7S1 LCS Training Center 0.5 miles ENE B-7
TABLE B-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for Limerick Generating Station, 1990 Collection Method Analysis & Frequency Location Location Distance & Direction Performed--Consultant Description and Frequency Same as 36S2 Same as 3652 7E1 Pheasant Road 4.2 miles ENE Same as 36S2 Same as 3652 9C1 Reed Road 2.2 miles E Seme as 3652 Same as 36S2 1053 Keen Road 0.5 miles E Same as 3652 Same as 36S2 10E1 aoyersford Road 3.9 miles E Same as 3652 Same as 3652 10F3 Trappe Stbstation 5.5 miles ESE Same as 3652 Same as 3652 1151 LES Information 0.5 miles ESE center Same as 3652 Same as 3652 13C1 King Road 2.9 miles SE Same as 3652 Same as 3652 13E1 Vaughn Substation 4.3 mites SE Same as 36S2 Same as 36S2 13H4 2301 Market Street 28.8 miles SE Philadelghia, (control) Same as 3652 Same as 3652 1451 Longview Road 0.6 miles SE Same as 36S2 Same as 36S2 1501 Spring City 3.2 miles SE l Stbstation Same as 36S2 Same as 3652 1652 Longview Road 0.6 miles SSE Same as 36S2 Same as 3652 16F1 Piketand Substation 4.9 miles SSE Same as 3652 Same as 36S2 1781 Linfletd Substation 1.6 miles S B-8 l
TABLE B-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Progran for Limerick Generating Station, 1990 Collection Method Analysis & Frequency Location Location Distance & Direction Performed--Consultant ~ Description and frequency same as 36s2 same as 36s2 test Rait t.ine along 0.3 miles s Longview Road sane as 36s2 same as 36s2 18G1 Planebrook 12.9 mites s stbstation same as 36s2 q 3.6 miles s same as 36s2 1901 snowden substation same as 36s2 same as 36s2 2001 Ellis Woods Road 3.1 miles ssu same as 36s2 same as 36s2 20F1 sheeder stbstation 5.2 mites ssW same as 36s2 same as 36s2 J1s1 lepom d Basin 0.5 miles ssu same as 36s2 same as 3652 22G1 Manor substation 17.6 mites'sW same as 3652 same as 36s2 23S2 Transmission Tower 0.5 miles Wsu same as 36s2 same as 3652 2401 Porte.s Mill 3.9 miles su s estation same as 36s2 same as 36s2 25s1 sector site somdary 0.5 miles su Same as 36s2 same as 36s2 2501 Hoffecker & Keim 4.0 miles usW streets same as 36s2 0.4 miles W same as 36s2 26s3 Met. Tower #2 same as 36s2 same as 36s2 2681 Old schuylkill Road 1.7 miles W same as 3652 same as 36s2 2802 W. Cedarville Road 3.8 miles W l B-9
TABLE B-II: Sample Collection and Analysis Program for the Radiological Environmental Monitoring Program for-Limerick Generattag Station, 1990 Collection Method Analysis & Frequency Locatien Location Distance & Direction Performed--Consultant Description and frequency same as 36S.! same as 36s2 29st sector site Boundary 0.5 miles WNW same as 36s2 same as 36s2 2991 Yost Road 1.8 milea W Same as 36s2 same as 36s2 - 29E1 P.'ince street 4.9 miles WNW same as 3652 ilncoln stbstation 3.0 miles W same as 36s2 3101 same as 36s2 Poplar stbstation 3.9 miles WW same as 3652 3102 same as 36s2 same as 3652 32s1 sector site Botndary 0.6 miles WW same as 36s2 same as 36s2 32G1 Friendensburg 15.6 miles NW stbstation same as 3652 same as 36s2 3452 Met. Tower #1 0.6 mites NNW same as 36s2 same es 3652 < 34E1 Varnett Road 4.6 miles NNW same as 36s2 same as 36s2 35B1 Pleassntvitte Road 1.9 miles NNU same as 36s2 same as 3652 35F1 Ringing Rock 4.2 miles N substation l B-10
~39130(o2 coo FIGURE B-1 ENVIRONMENTAL SAMPLING LOCATIONS ON-SITE OR NEAR THE LIMERICK GENERATING STATION,1990 N
NNW - NNE NW 7' e / 3 3, NE
/ \ 3462 K 3 S1 681 29,51-W %' ios3 E
\ / .
8, 33 p 2481 33, _ 4 ESE WSW j sst g- 14 s
-2151 20s i s2=
SW
\ SE SSW SSE S
.in..n m 36S2 EVERGREEN & SAN ATOG A RD. 2031 LGS DISCH ARGE ARE A G S1 SAN ATOG A RD. 21S1 LOS IMPOUNDING BASIN SS1 POSSUM HOLLOW RD. 23S2 TRANSMISSION TOWER 7S1 LGS TR AINING CENTER 24S1 LGS INTAKE 10 S 3 KEEN RD. 2SS1 SW SECTOR 11 S 1 LGS INFORM ATION CNTR. 26S3 MET. TOWER #2 14 S1 LONGVIEW RD. 29S1 WNW SECTOR 16 S2 LONGVIEW RD. 32S1 NW SECTOR 18S1 R AILROAD TR ACKS 34S2 MET. TOWER #1
l 1 FIGURE B-2 AIRBORNE AND TLD ENVIRONMENTAL SAMPLING STATIONS AT INTERMEDIATE DISTANCES FROM LIMERICK GENERATING STATION, 1990 N NNW NNE NW NE 5F1 2E1 34E1 * . WNW
- 4E1
- ENE g, .
W 28 E 2 25D1
- 24D1 15
/ 20Ef1 . E1 ESE WSW $99{
20F1 6F1 SW SE SSW E S ten mile redlue 2B1 SAN ATOG A SUBSTATION 18E1 WUGHN ROAD 2601 OLD SCHUYLKILL RD 2E1 L A U G H I N G YAT E R S G SC 16D1 SPRIN G CIT Y SU B STATION 2602 W. CEDARVILLE RD 4E1 NElFFER ROAD 16F1 PIK EL AN D SU BSTATION 2981 YOST ROAD SC1 POTTSTOWN AIRPORT 1781 LlH FIELD SU BSTATIO N 29E1 HIGH SUBSTATION 751 PHE ASANT ROAD 1901 S H OW D E N S U B STAT I O N 3101 LI N C O L N S U B S TAT IO N 9C1 REED ROAD 20D1 ELLIS WOODS ROAD 310 2 PO P L A R S U D STATIO N 10E1 ROYERSFORD ROAD 20F1 SHE E DE R SU BSTATION 3 4E1 YARN E LL ROAD 10 F 3 T R A P P E S U B STAT IO N 24D1 PORTERS MILL SUBSTATION 36B1 PLE ASANTVILLE RD 13C1 KING ROAD 26D1 HOFFECKER & KEIM ST. 36F1 AlHQlNG ROCKS SUD
l FIGURE B-3 AQUATIC AND TERRESTRIAL ENVIRONMENTAL SAMPLING STATIONS AT INTERMEDIATE DISTANCES FROM LIMERICK GENERATING STATION, 1990 N NNW NNE N W,/ NE 6E1
, e
\
W my' >, k 2001
- w 1oF2 1
E
/
ioB a 38 8 e WS SE o ,5 F 7 ,/ SW 35p4 * 'SE SSW 3 SSE ten mile redlue 1081 FARM IN ESE SECTOR 18C1 FARM IN S SECTOR 10F2 PERKIOMEN CREEK 1981 FARM IN SSW SECTOR 1381 VINCENT DAM 2181 FARM IN SW SECTOR 15F4 P HIL. SU B. WATE R CO. 2201 FARM IN SW SECTOR 15F7 PHOENIXVILLE WATER CO. 22F1 FARM IN SW SECTOR 1682 LINFIELD BRIDGE 2581 FARM IN WSW SECTOR 16C 2 CITIZENS HOME WATER CO. 28F3 POTTSTOWN WATER AUTH. 16C 4 VINCENT POOL 2001 POTTSTOWN VICINITY 16C 5 VINCENT POOL 33 A2 UPSTRE AM OF LGS 18A1 ANDERSON ROAD 36E1 FARM IN N SECTOR
t% -
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FIGURE B-4 ENVIRONMENTAL SAMPLING STATIONS AT REMOTE DISTANCES FROM LIMERICK GENERATING STATION,1990 ' N NNW NNE NW- NE ~i
. 1
~
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+ 32G1 FRIEDENBERG SUBSTATION
't g.
~
i DATA TABLES PRIMARY LABORATORY
. .. . - -- .- . . - - . ~ - - ~ _
APPENDIX C: DATA TABLES LIST OF TABLES AND FIGURES TABLES Tabl e- C-I .1 Concentrations of gross beta (soleble) in surface water samples collected-in the vici...ty of Limerick
' Generating Station, 1990.
Table C-I.2 Concentrations of gross beta (insoluble) in surface water samples collected in the vicinity of Limerick Generating. Station,.1990. Table C-I.3 Concentrations of aqueous tritium in surface water samples collected .in the vicinity of Limerick Generating Station, 1990. Table C-I.4 Concentrations of gamma emitters in surface water ' samp.les collected in the vicinity of Limerick Generating Station, 1990. Table C-II.1 Concentrations of gross beta (soluble) in drinking water samples collected in-the vicinity of Limerick Generating Station, 1990. u Table C-II.2 Concentrations of gross beta (insoluble) in drinking water samples collected in the vicinity of Limerick Generating Station,-1990. Table lC-II.3- Concentrations of aqueous tritium in drinking water
. samples collected in the vicinity of Limerick Generating Station, 1990.
Table C-II.4 Concentrations of gamma emitters in drinking water samples collected in the-vicinity of Limerick Generating Station, 1990. Table C-III.1 Concentrations -of_ gamma emitters in fish samples collected in the~ vicinity of Limerick Generating Station, 1990.
- Table C-IV.1 Concentrations of gamma' emitters in silt samples collected in the vicinity of Limerick Generating Station,'1990.
Table C-V.1 Concentrations of gross-beta in air particulate samples collected in the vicinity of Limerick Generating Station, 1990.
i l Table C-V.2 Concentrations of gama emitters in air particulate samples collected in the vicinity of Limerick Generating Station, 1990. Table C VI.1 Concentrations of I-131 in air iodine samples collected in the vicinity of Limerick Generating Station, 1990. Table C-VII.1 Concentrations of I-131 in milk samples collected in the vicinity of Limerick Generating Station, 1990. Table C-VII .2 Concentrations of gama emitters in milk samples collected in the vicinity of Limerick Generating Station, 1990. Table C-VIII.1 Monthly TLD results for Limerick Generating Station, 1990. Table C-VIII.2 Quarterly TLD results for Limerick Generating Station, 1990. Table C-VIII.3 Mean TLD results for the Limerick Generating Station site boundary, middle and outer rings, 1990. Table C-VIII.4 Sumary of the Ambient Dosimetry Program for Limerick Generating Station, 1990. Table C-IX.1 Sumary of Collection Dates for samples collected in the vicinity of Limerick Generating Staticn, 1990. FIGURES Figure C-1 Mean monthly soluble gross beta concentrations in surface water samples collected in the vicinity of LGS, 1982-1990. Figure C-2 Mean monthly insoluble gross beta concentrations in surface water samples collected in tra vicinity of LGS, 1982-1990. Figure C-3 Mean monthly soluble gross beta concentrations in drinking water samples collected in the vicinity of LGS, 1982-1990. Figure C-4 Mean monthly insoluble gross beta concentrations in drinking water samples collected in the vicinity of LGS, 1982-1990. Figure C-5 Mean annual Cs-137 concentrations in fish samples collected in the vicinity of LGS, 1982-1990. l
Figure C-6 Mean annual Cs-137 concentrations in sediment samples collected in the vicinity of LGS, 1982-1990. Figure C-7 Mean weekly gross beta concentrations in air particulate samples collected in the vicinity of LGS, 1990. Figure C-8 Mean monthly gross beta concentrations in air particulate samples collected in the vicinity of LGS, 1982-1990. Figure C-9 Comparison of positive mean cesium-137 values in milk samples collected in the vicinity of LGS, 1982-1990. Figure C-10 Mean monthly ambient gamma radiation levels in the vicinity of LGS, 1982-1990. l
I TABLE C l.1 C0hCENTRAfl0NS OF GROSS BETA SOLUBLE IN SURFACE WATER SAMPl.ES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STAT 10N, 1990 RESULTS IN UNITS OF PCl/ LITER
- 2 SIGMA COLLECTION 10F2 1381 1682 2451 PER100 JAN 90 5 t1 4 a1 4 t1 FEB 90 10 a1 3.6 2 0.9 3.4 a 0.9 MAR 90 9 a1 4 s1 2.6 1.0 APR 90 4 '1 2.8 s 1.0 2.5 1.0 MAY 90 10 e1 3 t1 2.1 : 0.9 JUN 90 2.4 a 0.9 3 1 3 a1 JUL 90 4 1 8 s1 7 t1 5 a1 AUG 90 5 t1 4 ti 4 1 6 21 SEP 90 4 11 3 a1 4 i 7 a1 OCT 90 6 1 4 21 12 ti 6 1 Nov 90 5 a1 3 21 4 t1 2.9 1.0 DEC 90 6 t1 3.2 1.0 3.0 t 0.9 4 t1 MEAN 5.9 5.0 4.2 a 3.8 4.5 a 5.2 4.0 t 3.2 TABLE C l.2 CONCENTRATIONS OF GROSS BETA INSOLUBLE IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LlHERICK GENERATING STATION,1990 RESULTS IN UNITS OF PCl/ LITER 2 SIGMA COLLECTION 10F2 1381 1682 24S1 PERICO JAN 90 0.4 a 0.4 0.6 s 0.4 0.7 2 0.4 FEB 90 0.7 1 0.3 0.6 2 0.3 0.6 2 0.3 MAR 90 < 0.4 < 0.4 < 0.4 APR 90 2.3 2 0.6 1.1 2 0.5 1.9 t 0.6
-MAY 90 0.5 t 0.5 - < 0.5 < 0.4 JUN 90 0.6 2 0.4 1.7 2 0.5 < 0.4 JUL 90 s 0.3 < 0.3 1.7 2 0.5 0.5 t 0.3 AUG 90 < 0.4 < 0.4 < 0.4 < 0.4 SEP 90 < 0.4 < 0.4 < 0.4 < 0.4 OCT 90 0.6 t 0.3 1.3 t 0.4 0.7 t 0.3 0.7 t 0.3 Nov 90 < 0.4 0.6 2 0.4 < 0.4 < 0.4 DEC 90 0.7 0.5 1.2 0.6 0.6
- 0.5 0.5 t 0.5 MEAN 0.6 1.1 0.7 t 0.9 0.8 a 1.0 0.6 0.8 TABLE C l.3 CONCENTRATIONS OF H 3 AQUECUS LIO. SCINT. W/ENR 1:1 SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENELATING STATION,1990 RESULTS IN UNITS OF PCI/ LITER
- 2 $1GMA COLLECil0N 10F2 ;381 1682 24S1 PERIOD JAN MAR 90 < 40 210 t 50 60 a 40 APR JUN 90 50 t 30 150 2 30 120 a 30 JUL SEP 90 < 30 200 t 70 130 t 50 70 a 50 OCT DEC 90 60 t 50 60 t 20 70 40 90 t 30 MEAN 50 2 30 130 2 200 140 2 120 90 t 50 C-1
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, TTABLE'C II.11 - CONCENTRATIONS OF 040$$ BETA SOLUOLE th'ORlWKING WATER SAMPLES- }
- COLLECTED IN THE VICIN!17 0F LINERICK-GENERATING STATION, 1990 i
$ .RESULTS IN UNITS OF'PC1/ LITER : 2 SIGMA.-
1 COLLECTION 13N2 15F4- 1577 16C2 28F3 -j PERIOD ' JAN 90; 4 s :1 5 s1 4- t1 2.0 a 1.0 4 s 1-FEB 90 3.6' s 0.9 4.5 a 1.0 3.7- 1.0- 2.7 s 0.9 3.4 s 0.9 MAR 90 3- a1 :6 s1 5 s1 1.9 a 1.0 3 a1 i APR 90 .. : 1 4 s1 3 s 1. 2 s.1 3 21 MAY 90 13 1 3.0 1.0 2.3 - a 1.0 2- a1' 3 .1' JUN 90 3 's1- 4 ' 1 5 1- 3 s -1 4 s1 JUL-90 4 1- 6 s1 6: t1 4' 1 5 s i'
- AUG 90. '5 e1 5 a1 5 a1 2.1 'ss1.05- s1 SEP 90 5. 1 5 s1 5 a1 2 1: - 4 s1 y 7- : a 1: 4- "
DCT 90 .s1- 6 s l' 12 s1 4 t1 NOV 90 4 s1 5 s'1 4' 1 3 a 1- 3 1 DEC.90 4- : 1. 6 a1 3.2 1.0 3. i 3.0 a 1.D , MEAN 4.1 :1 2.3 5.0 a 1.9 4.9 s 5.0 2.6 s 1.5 ' 3.7. s 1.5 O ? 1 , TABLE C II.2- -CONCENTRAT10Ns OF-040$$ SETA lN80LUBLE IN DRINKING WATER SAMPLES-COLLECTED IN THE VICINITY OF LINERICK GENERATlWG STATION,-1990 RESULTS IN UNITS OF PCl/ LITER
- 2 $1GMA COLLECT 10N1 13N2: '15F4' 15F7 16C2 28F3 PERIOD.
JAN 90 0.7 t.0.4 0.6 0.4 0.5 0.4 0.7 s 0.4 0.4 s 0.4 -
, FEB 90 0.4'Js 0.3 0.3 . 0.3 < 0.3 0.7 0.3 < 0.3 MAA 90 < 0.4 - - < 0.4' < 0.4 0.5 - t 0.4 < 0.4 APR 90 ~1.6 0.6 1.6 2 0.6 2.0 s 0.6 2.1 t 0.6 ' 1.5 s 0.6 -
1MAY 90 -< 0.4 '- < 0.4 = < 0.4 < 0.4 < 0.4
- JUN 90 J < 0.4 4 ' < 0.4 < 0.4 t 0.6 - t 0.4 - < 0.4 JUL-90 -< 0.3 < 0.3- < 0.3: 0.8 - t 0.4 < 0.3:
' AUG 90 -< 0.4- . < 0.4 < 0.4 < 0.4 < 0.4 SEP 90: 0.8 La 0.5' < 0.4 < 0.4 ' < 0.4 '< 0.4'
< 0.3 : . < 0.3 0.7 's 0.3- - - *,
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t P TADLE CalV.i CONCENTRAtl0NS OF GAMMA iM!TTER$ IN tlLT SMPLit COLLECito , IN THE YlClklff 0F LIMERICK QthinAtlhG STAfl03,1990 RESULTS IN UWlf8 0F PCl/QAAN (DRY) : 2 RIGMA STAfl0N COLLICTION C001 PERICD SE*7 K+40 C8 134 Cs.137 RA.226 TM 228 , 1662 05/25 05/25 2.5 s 0.4 14 s1 < 0.02 :0.26 4 0.04 1.6 a 0.7 1.3 s 0.1 11/27 11/27 0.7 s 0.6 14 a1 < 0.03 -0.12 s 0.05 2.5 0.9 1.4 s 0.1 NEAN' 1.6 a 2.5 14 t0 < 0.03 0.19 t 0.20 2.1 a 1.3 1.4 s 0.1
- 16C4 - 05/25+05/25 5.5 t 0.8 '16 s2 < 0.03- 0.31 a 0.07 2- ti 1.9 s 0.2 11/27 11/27 1.5 s 0.6 15- a2 < 0.03 0.27 0.06 2.5 s 0.8 1.2 s 0.1 MEAN - 3.5 a 5.7 16 a1 < 0.03 0.29 : 0.06 2.3 : 0.7 1.6 s 1.0
- 33A2 05/25 05/25 2.8 a 0.6 12 e1 = 0.03 0.11 s 0.06 2.2 s 1.0 - 1.4 s 0.1 11/27 11/27 < 0.2 10 :a1 - < 0.02 < 0.02 1.9 s 0.6 1.0 s 0.1 -
MEAN - 1.5 t 3.7 11 s3 = 0.03 0.07 0.13 2.1 s 0,4 1.2 a 0.6 MEAN ALL $1Atl0Ns 2.2 e 3.8 14 4 < 0.03 0.18 s 0.23 2.1 s 0.7 1.4 s 0.6 1 i Y ,. i il ' r C.9 _u. u .
g.. - . . _ _ . . - . . .--_.__m . - _ ,__.._m.-__ .-__ _ - _ ..- _ ..._ __..___ . _ __ . I I TABLE C+V.1 CONCENTRAfiCal Of QROS$ DETA IN Alt PARilCULATE SAMPLES l COLLECTED IN THE VICINITY OF LINEtlCs, GENERAtlNG STAf t0W,1990 RESULT $ IN UNifs 0F E*3 PCl/cu METER a 2 stoMA - Get0UP 1
- ON+litt LOCAfl0NS WEEK 1053 tidi 1481 3482 01 24 s4 19 s3 20 s3 47 8
. 02 20 s3 18 s3 17 s3 19 s3 03 17 t2 16 s2 16 s2 17 s2 04 19 a3 20 s3 17 a3 18 s3 05 10 s3 11. 3 13 3 11 s3 06 15 - 3 16 s3 18 s3 - 15 .s3 07 16- 3 18 s3 18 3 '18 s3 08 12 a3 12 s3 12 a3 15 s4 09 21 s3 20 s3 15 s3 19 3 10 22 e3 22 - t3 22 ' sS 24 s3 14 16 s3 12 s3 19 - :3 16 - 3 12 15 a3 144 s3 -18 a3 16 a3 13 113 s3 10 e3 9 s2 7 s2 14 10 s3 11 .e3 13 s3 11 s3 '
- 15 12 s3 13- :3 12 s3 15 s3 16 '19- t3 16 - 3 20 s3 19 s3 17 19 a3- 21 -s 3 20 s3 21 a3 18 6 s3 6 s3 7 s3 8 a3 19- 13 s3 12 e3 14 s3 12 s3 20 11 s3 8 s3 9 s3 7 4 21 6 s2 6- a2 3 s2 't :2 i 22' 10 s3 - 19 ~ s3- 11 a3 12 e3 l 23 10 - a3 9 s3 10 a3 15 s3 i
' 24 14 s3 12 s3 11 s3 12 s3
!- 25 10 s3 12 e3 13 s3 (1) i 26 .21 s3 20 s3 19 s3 19 s3 12 s3 15 a3 12 ~ s3 12 s3 28 13 s2 17 s3 14 s3 13 s2
. 29 22 - t4 24 s4 25 4 21 s3
' 30 13 s4 11 2 13 . 3 11 s2 31- '17 s3 19 s3 16 s3 17 s3 32 13 . 3 14 3 (1) 16 s3 33 12 - s4 12 s4 13 s4 13 a4 34 13 s3 10 s3 to 's3 11 a3 35 24 s 4' 22 s3 19 s3 20 s3 36 15-- 3 17 s3 15 s 3- 19 's 3 I 37 19 s3 24 s4 23 =s4 23 a4
' 38 11 - :3 10 s3 to a3 11 s3 39 20 a3- 24 a3 20 a3 20 t3 40 19 . s3 16 s3 16 s 4. 19 3
- 41 13 s3 12 s3 14 a3 14 -e3 42 17 3 16 s3 14 s3 15 a3 -
! 43 15 ' s3 17 s3 15 s3 16 s3 44 30 a4 ' 32 s4 35 a4 -31 s4 45 16 : s3 21 a3 17 . - t 3 17- 's 3 ' j 46 - 21 s3 23 3- 24 s3 24 s3
'47a 22 s3 22 s3 21 a3 20 s3 48 29 s3 23 s3 26 s3 20 s3 49 . 20 s3 20 - *3 24 s3 20 s3 50 21 a3 22 s3 20 a3 21 a3 '
51 14 s3 -15 s3' 13 s3 13 s3 52- 19 - 3 20 - t 3' 18 s3 20 a3 MEAh 16 s 10 16 s 11 16 s 11 17- s 13 (1) SEE PROGRM EXCEPfl0NS SECTION FOR EXPLANAfl0N C-10 1 l l l. l r, , a-_ .2 -__.,a-- . _ _ . - . _ . , ._- __.-__ _ . . _ . _ _ _
TABLE C V.1 CONCENTRAtl0NS OF GROSS tt1 A IN Alt PARflCULATF SAMPLtl COLLECitD IN THE VICINIff 0F LIMitlCK GENERAfidG STAtl0N, 19?0 ktSULil IN Units of E 3 PCl/CU. MtitR : 2 $1cMA GROUP 11
- INittHEDI ATE DISTANCE LOACA110NS WttK tot 6C) 9c1 13t1 1501 1781 01 20 a3 19 s3 22 s3 18 3 20 a3 17 s3 02 17 s3 17 3 18 s3 18 3 18 :3 16 s3 03 18 e2 16 s2 16 s2 20 s2 17 a2 14 a2 04 19 s3 20 13 18 s3 21 a3 20 t3 16 13 05 13 a3 16 43 12 e3 14 s3 12 a3 12 a3 06 12 a3 15 s3 15 s3 14 s3 17 a3 12 s3 07 18 a3 17 a3 18 s3 21 s3 20 a3 18 a3 08 11 a3 13 3 15 t4 14 s4 13 s3 14 43 09 17 a3 16 a3 19 a3 16 43 20 a3 19 3 10 23 s3 22 43 23 3 21 s3 20 a3 24 s3 it 16 t3 15 a3 17 3 16 a3 15 a3 15 3 12 14 s3 14 43 14 s3 15 3 14 s3 12 s3 13 9 a3 9 43 11 s3 7 e2 8 a2 6 s2 14 11 a3 9 s2 12 43 10 a3 10 3 9 3 15 13 a3 13 t3 16 a3 14 a3 16 a3 12 s3 16 17 s3 19 a3 (1) 16 a3 20 s3 16 a3 17 19 a3 19 t3 20 a3 21 e3 26 s4 18 a3 18 6 s3 $ t3 6 a3 7 a3 5 s3 4 s3 19 15 a3 11 a3 13 s3 14 s3 13 s3 17 3 20 11 a3 10 a3 10 t3 9 t3 9 a3 7 s3 29 9 s3 6 a2 9 s3 8 s2 6 a2 9 s3 22 13 3 13 s) 10 t3 11 s3 13 s3 11 s3 23 13 a3 9 a3 12 e3 10 s3 11 s3 10 t3 24 13 a3 14 s3 12 e3 11 s3 10 t3 12 e3 25 11 s3 10 s3 11 s3 10 s3 13 s3 11 a3 26 17 3 18 13 19 a3 21 a3 16 3 17 s3 27 17 a3 14 s3 11 s3 13 a3 11 s3 (1) 28 14 3 (1) 15 s3 15 a3 12 2 15 a3 29 21 s4 28 :$ 25 a4 22 a3 24 ., 6 30 t4 30 10 s2 10 t2 11 s3 10 s2 13 s3 10 e2 31 17 a3 17 s3 17 a3 17 a3 16 s3 19 s3 32 16 a3 14 a3 16 :3 14 t3 17 s3 11 a3 33 16 4 14 s4 11 4 15 a4 11 s4 8 4 34 9 t3 11 s3 12 a3 13 a3 (1) 14 s3 35 20 a5 16 s3 19 3 33 6 22 a5 20 a3 36 19 s3 16 a3 19 a3 15 a3 22 t3 16 s3 37 24 s4 20 a4 25 s4 22 t4 21 s4 25 :4 38 10 t3 10 s3 12 e3 12 s3 13 s3 15 a3 39 20 t3 21 a3 18 3 19 a3 17 s3 21 s3 40 18 s3 15 t3 18 a3 19 43 18 a3 17 3 41 13 13 33 s4 15 a3 12 s3 23 s3 18 3 42 16 s3 15 3 14 s3 14 s3 18 a3 it 3 43 16 3 17 a3 15 s3 15 3 16 a3 18 a3 44 31 s4 30 :4 32 e4 (1) 35 a4 35 s4 45 17 3 14 s3 18 a3 19 :4 17 s3 16 s3 46 24 s3 (1) 25 a4 24 4 24 s3 23 3 47 22 s3 20 s3 21 t3 24 *3 21 23 21 a3 48 23 a3 24 33 24 s3 22 s3 19 s3 24 s3 49 20 *3 21 e3 22 s3 20 s3 23 s3 19 3 50 20 e3 20 a3 23 3 17 t3 23 t3 21 23 51 16 s3 11 e3 12 a3 17 3 15 t3 16 t3 52 22 e3 19 3 20 t3 23 s3 20 t3 18 s3 MEAN 16 10 16 : 11 16 s 10 16 s 10 17 s 11 16 12 (1) Stt PROGRAM EXCEPTIONS SECfloN FOR EXPLANATION C-11
l TABLE C V.1 CONCENTRAllDNS OF GROSS BET A IN AIR PARilCULATE LAMPLES COLLECTED IN THE VIClWifY OF LlhERICK GEbERAflWC STAflDN, iP90 RESULTS IN UNils 0F E*3 PCl/CU. METER e 2 $IGMA GROUP 11
- lWTERMEDIATE D!$fAkCE LDACAflDNS WEEK 2001 2681 2981 3101 3581 01 20 s3 20 s3 16 s3 22 a3 17 s3 02 16 s3 16 s3 18 a3 18 t3 17 a3 03 14 s2 15 s2 17 e2 17 a3 16 a3 04 18 a3 17 s3 19 3 16 a3 18 3 05 10 a3 11 a3 10 s3 13 3 12 a3 06 16 3 16 3 16 s3 15 3 16 a3 07 20 3 20 s3 19 a3 20 a3 19 t3 D8 12 s3 15 4 10 a3 14 s3 13 3 09 21 a3 20 s3 20 a3 18 3 17 3 10 19 3 22 a3 22 s3 23 s3 23 s3 11 13 s3 13 3 15 3 16 a3 13 s3 12 15 s3 16 s3 18 s3 14 a3 15 et 13 9 a3 11 s3 9 3 9 43 9 s3 14 12 s3 12 3 10 a3 7 a2 9 a3 15 13 a3 16 s3 14 s3 13 3 16 3 16 17 s3 19 a3 20 t3 16 a3 23 s3 17 19 s3 20 s3 19 3 16 s3 21 s3 18 12 a3 14 3 13 a3 14 a3 12 a3 19 13 a3 14 a3 14 s3 13 a3 13 a3 20 8 a3 13 s3 9 3 11 a3 11 a3 21 6 s2 7 a2 6 s2 5 s2 7 s3 22 12 s3 14 s3 11 23 14 a3 16 a3 23 10 s3 13 s3 10 e3 13 a3 9 a3 24 13 a3 10 a3 13 s3 13 3 14 a3 25 12 s4 10 e3 11 a3 11 a3 12 a3 26 18 s3 18 a3 14 a3 18 s3 18 s3 27 15 a3 10 s3 10 a3 22 e4 16 3 28 14 3 14 a3 15 3 13 a3 14 a3 29 26 s4 22 s4 31 a4 26 s4 29 s4 30 10 s2 11 s2 13 a3 11 s3 12 s3 31 16 3 16 a3 18 a3 14 a3 16 s3 32 14 a3 12 s3 14 s3 15 s3 19 a3 33 (1) 10 s4 28 s3 29 a3 27 s3 34 19 :5 11 s3 12 s3 11 s3 11 s3 35 23 a4 24 4 19 3 20 a5 24 e5 36 15 s3 13 a3 17 3 17 t3 15 a3 37 20 a4 21 s4 23 4 20 4 23 a4 38 12 s3 14 a3 13 a3 12 s3 10 s3 39 20 e3 17 3 20 s3 20 a3 22 s3 40 13 3 18 3 19 s3 19 s3 17 s3 41 12 a3 12 a3 14 a3 12 e3 13 3 42 13 a3 12 e3 17 3 14 a3 17 3 43 17 s3 16 a3 17 s3 16 a3 16 s3 44 32 34 30 :4 29 4 36 4 33 a4 45 19 s3 17 a3 16 s3 15 a3 17 s3 46 25 a3 21 s3 24 s3 24 a3 24 a3 47 21 s3 23 s3 21 e3 21 a3 22 a3 48 23 s3 26 s3 27 s3 22 s3 24 a3 49 21 a3 21 s3 20 s3 20 s3 20 s3 50 23 s3 20 a3 20 a3 20 s3 19 3 51 15 s3 13 a3 15 a3 14 a3 16 s3 52 18 s3 17 3 17 3 21 s3 20 a3 MEAN 16 s 10 16 9 17 s 11 17 e 11 17 s 11 (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLARAfl0N 0-12 i
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TA8LE C V.1 CONCENTRAf!ONS OF Gnost 8ttA IN Alt PAAflCULAft SAMPLt3 COLLECTED IN THE VICINiit of LIMERICK CENERAllNG STAtl0N,19?0 kt00Lf 8 IN UNITS OF (*3 PCl/CU. Ntitt a 2 810MA GACUP 111. CONikOL LOACAfl0NS Witt 13N4 2201 i 01 28 s4 21 a4 02 - 22 e3 14 s3 03 24 s3 21 s3
- 04 20- e3 15 s3 05 - 14 s3 14 s3 .
06 17~ s3 15 s3 07 30 s3 17 s3 08 11 a3 12 e3 " 09 21 s 3. 18 s3 10 21 -s3' 24 a3
' 11 19 s3 .14 s3
. 12 (1) 16- 3 13 12 s3 10 s3
) 14 12 s2 to a3 15 19 t3 13 a3 'l 16- 19 s3 20 a3 I 17 22 s3 22 s3 i a
- 18. 17 s3 14 s3 1 19 . 5 s3 16 a3 ;
20 26 a3 11 33 ! 21 21 s3 5 a2 22 15 s3 10 s3 23 14 s3 9 s3 24 12 a2 10 a3 25 21 s3 13 3 i 26 18 a3' 20 s3 ' 27 18 3 18 s3 28 21 s3 11 s2 29 - 22 .: 3 - 24 s 4. 30 12 a3- 11 e2 31 . 16 a 3- 15 a3 32 22 s3 13 s3 , 33 - 22 e3 26 a3
' 34 '11 a3 <2 35 25 a3 to a4
- 36 23 a3 13 s3
- 37 '22 s3 18 s3 38 16 s3 11 a3 39 23 a3 17 . s3 40 21 .a3 15 43 41 15 a3 11- s3 42 18 s3 12 s3
- 43 18 e3 14 s3 4 M s4 M e4
- 45. 21 s3 17. t3 46 25 s4 24 3 47 - 26 s3 21 s3
- 48 27- 3 23 a3 49 24 a3 18 -t3 50 21 =a3 19 a3 51 28 :9 16 s3
'52 26 -t3- 17 :3 MEAN - 20 t 11 16 e 11 (1) Stt PROGRAM EXCEPfl0NS SECTION FOR EXPLANAfl0N C 13
TABLE C+V.2 CONCENTRAfl0NE OF GAMMA E:llfitRS IN AIR PARflCULAtt SAW Lil COLLECit0 IN fut VICINiff 0F LIMttlCK StutRAtlWG STAf!DN,1990 RtSULTS IN UNils of t+3 PCl/CU. Mtitt 2 stoun
$fAllDN COLLECIl0N C00t PERIOD DE
- 7 K 40 C5 134 Cs 137 1053 01/01 04/02/90 53 a7 <4 < 0.2 < 0.2 04/02 07/02/90 54 7 <8 < 0.3 < 0.3 07/02 10/01/90 57 s7 10 t5 < 0.2 < 0.2 10/01+12/31/90 64 e7 <4 < 0.2 < 0.2 NEAN 57 e 10 7 6 < 0.2 = 0,2 1181 . 01/01 04/02/90 57 6- . <4
- 0.2 < 0.1 04/02 07/02/90 52 t7 6 44 < 0.2 < 0.2 07/02 10/01/90 59 7 <8 < 0.3 < 0.3 10/01 12/31/90 52 7 <8 < 0.3 < 0.3 ME AN - 55 t7 7 4
- 0.3 < 0.2 1481 01/01 04/02/90 50 t8 < 10 < 0.4
- 0.3 04/02 01/02/90 46 e5 -6 4' < 0.2 < 0.1 07/02 10/01/90 43 a6 <4 e 0.2 4 0.2 .)
10/01 12/31/90 46 e5 <3 < 0.2 < 0.2 MEAN 46 s6 6 46 4 0.3
- 0.2 13C1 01/01 04/02/90 88 9 <5 < 0.2 < 0.2 04/02 07/02/90 46 . t7 <4 < 0.2 < 0.2 07/02 10/01/90 55 7 9 5 < 0.2 < 0.2 l 10/01 12/31/90 53 4 7 <4 < 0.2 < 0.2 MEAN 61 a 37 6 5 < 0.2 < 0.2 13h4 01/02 04/02/90 57 8 <9 < 0.3 < 0.3
. 04/02 07/02/90 53 8 4 a3 < 0.2 < 0.2 07/02 10/01/90 67 7 7 4 < 0.2 < 0.2 10/01 12/31/90 65 a7 <4 4 0.2 < 0.2 NEAN 61 13 6 5
- 0.2 < 0.2 C-14 I
TABLE C.vt.i CONCENTRAllDNS OF l*131 RADluCHEMi$1T lW AIR IDDINE $AhPLll COLLECitD IN THE YlClNilY OF LIMitlCK GENERAtlNQ $1AllDN, 1990 ktBUL18 IN UN118 of E 3 PC1/CU. Mitta e 2 $1GKA GROUP 1 GR31P ll GROUP 111 WEEK 1013 illi 1481 13C1 13n4 01 <9 e8 *8 <9 < 20 02 <9 <9 <9 <9 < 10 03 4 10 < 10 < 10 < 10 < 20 M <9 <9 49 <9 e6 05 < 10 e 10 < 10 < 10 <9 06 e 10 < 10 < 10 < 10 < 10 07 < 10 < 10 < 10 < 10 < 20 D8 4 10 < 10 < 10 < 10 < 10 09 < 20 < 20 49 49
- 20 10 <9 <9 <9 <7 <8 11 <9 <6 <5 44 e 10 12 <8 <8 *8 <8 (1) 13 < 10 < 10 < 10 < 10 <9 14 < 10 < 10 < 10 < 10 < 20 15 < 10 < 10 < 10 < 10 < 10 16 <8 < 10 < 10 < 10 < 20 17 <9 *8 <8 <9 <8 18 < 10 < 10 < 10 < 10 <9 19 e 10 < 10 < 10 < 10 < 10 20 < 10 <9 <9 <9 e 20 21 < 10 < 10 < 10 < 10 < 10 22 < 10 < 10 < 10 < 10 < 20 23 < 10 4 10 < 10 < 10 <9 24 < 10 < 10 < 10 < 10 < 10 25 < 10 < 10 < 10 < 10 < 20 26 < 10 < 10 < 10 e 10 e 20 27 < 10 < 10 < 10 < 10 < 20 28 49 <9 <9 49 e 10 29 < 10 < 10 < 10 < 10 < 20 30 < 20 < 10 < 10 < 10 < 20 31 < 10 < 10 < 10 < 10 e6 32 < 10 < 10 < 30 < 10 < 10 33 < 20 < 20 < 20 < 20 <9 34 < 10 e9 < 10 <8 < 10 35 *9 <9 *9 5 20 < 10 36 < 10 <9 < 10 <9 < 20 37 < 10 < 10 < 10 < 10 < 10 38 < 10 < 10 < 10 e 10 < 10 39 < 20 < 10 < 20 < 10 < 20 40 < 10 < 10 < 20 < 10 < 10 41 < 10 < 10 < 10 < 10 < 20 42 < 10 < 10 < 10 < 10 < 10 43 < 10 < 10 < 10 < 10 <8 44 < 10 < 10 < 10 (1) < 10 45 < 10 < 10 < 10 < 20 < 10 46 <7 *7 *7 <6 < 10 47 <9 <9 <9 < 10 < 20 48 < 10 < 10 < 10 < 10 < 10 49 < 10 < 10 < 10 < 10 < 10 50 < 10 e 10 < 10 < 10 <7 51 <9 < 10 < 10 < 10 <8 52 < 10 < 10 < 10 < 10 < 10 MEAN < 10 < 10 < 11 < 10 < 13 (1) $tt EXCEPfl0N$ SECTION FOR EXPLANA110N 0-15
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- .3 . ---- a
_- . _ . _ . _ _ _ _. _ _ _ _ _.__m_._________ _ - . . ___.. TABLE C Vil.2 CONCENTRAfl0NS OF GAMMA Clfiths IN B:lLK SAMPLtl COLLECTED IN INE VICIN!!Y OF Ll:IRICK QtutRAllNG STATION, 1990 ht00Lf5 IN UNift Of PCl/LiftR a 2 810MA
$1All0N COLLECil0N CODE DATE K 40 CS 134 CS 137 BA 140 LA 140 1081 01/09/90 320 s 40 <1 <2 <4 <2 02/13/90 (1) 03/13/90 (1) 04/10/90 1400 t 100 <2 <2 <6 e2 04/24/90 1400 s 100 <2 <2 <6 <3 05/08/90 1600 s 200 <2 5 a3 <6 <2 05/22/90 1600 a 200 <1 <1 46 <2 06/05/90 1500 a 100 <2 7 a3 <6 <2 06/19/90 1600 s 200 <1 5 s3 *4 <2 07/04/90 1500 s 200 <2 <2 <6 <2 07/17/90 1600.s 200 <2 <2 <6 <2 07/31/90 1400 e 100 e2 42 <6 43 08/14/90 1500 100 <1 4 a3 <6 <2 08/28/90 1500 s 200 <1 3 e2 <5 <2-09/12/90 1500 a 200 <2 <2 <5 e2 09/25/90 1300 a 100 <2 <2 46 s3 10/10/90 1500 s 100 <2 <2 <6 <3 10/23/90 1400 s 100 <2 <2 <6 <2 11/06/90 1700 a 200 <1 4 s3 a6 <3 7 11/20/90 1500 a 100 <2 6 s3 47 <2 12/04/90 1300 a 100 <1 4 :3 44' <2 MrAN 1427 576 <2 3 s3 <6 <2 1981 01/09/90 1000 e 100 <2 <2 <5 <2 02/13/90 1100 s 100 <3 <3 <9 <4 03/13/90 1200 t '.M <3 <3 <9 <4 04/10/90 1300 t9 <2 <2 <6 <3 04/24/90 1200 100 42 <2 <5 <2 05/08/90 1300 100 <2 <2 <6 <3 05/22/90~900 100 <1 <1 <5 <2 06/05/90 1300 a 100_ <1 <2 <6 <3 06/19/90 1100 s 100- <2 <2 <$ <2 07/04/90 1100 s 100 <2 <2 45 <2 07/17/90 1100 s 100 <2 <2 <6 *3 07/31/90 1300 : 110 <1 <1 <6 <2 08/14/90 1200 e 100 <1 <1 <6 <3 08/28/90 1200 a 100 <1 <1 <5 <2 09/12/90 1200 a 100 <2 <2 *5- <2 09/25/90- 1300 e 100 <2 <2 <8 <3 10/09/90 1200 s 100 <1 4 s3 <6 <3 10/23/90 1400 A 100 <2 <2 <5 <3 11/06/90 1200 s 100 <2 <2 <7 <3 11/20/90 1200 a 100 &? <2 <7 <3
- 12/04/90 1300 s 100 s? <2 <$ <2 MEAN 1199 a 214 <7 2 s1 <6 43 2181 01/09/00 - 1300 : a 100 <2 <2 <4 42 02/13/90 1100. s 100 <E <2 <5 <2 03/13/90 1400 100 <2 <2 <$ <3 0./10/90 1300 -t 100 <2 <2 <6 <2 04/24/90' 1200 a 100 <2 <2 <6 <2
- 05/08/90 1300 a 400 - <l' <2 <6 43.
05/22/90 1300 100 <2 <2 <6 <3 06/05/90 1300 t 100 <2 <2 <6 <2 06/19/90 1300 e 100 41 <1 <4 <2 07/04/90 1200 s 100 <2 <2 <5 '<2 07/17/90 1200 a 100 <2 42 <6 <2 07/31/90 1300 s 100 <2 <2 <6 <2 08/14/90 1300 100 <2- <2 <6 <3 08/28/90 1400 a 100 <2- <2 <6 <2 09/12/90 1400 s 100 <2 - <2 < 5. <2 09/25/90 1400 s 100 <2 <2 <6 <3 10/09/90 1200 s 100 <2- < 2' <6 <2 10/23/90 1300 a 100 <2 5 a3 <6 <2 11/06/90, 1300 ~s 100 *1 <1 <6 <2
-11/20/90 1300 s 100 <2 <2 <6 <2 12/04/90 1400 s 100 <2 4 :3 <4 <1 NEAN 1295 161- <2 2 2 <6 <2 C-17
)
l TABLE C Vi!.2 CONCENTRAf!DNS OF GAMMA EMitttt$ IN MILK $AMPLES COLLECTED IN INE VICINITY OF LINEtlCK GEktRAflNG STAflDN,1990 RESULTS IN UNif$ OF PCl/Llitt t 2 SIGMA
$ FAT!DN COLLECTIDN-CODE DATE K+40 CS*134 CS 137 BA 140 LA.140 2581 01/09/90 1300 a 100 <2 <2 <4 <2 02/13/90 1300 s 1 00 <2 <2 <5 <2 03/13/90 1200 s 100 <2 <2 <5 <2 04/10/90 1300 s 100 <2 <2 <5 <2 04/24/90 1300 s 1 00 <2 <2 <5 <2 05/08/90 1100 s 1 00 <3 <3 < 10 <4 05/22/90 1200 s 100 <2 <2 <6 <2 06/05/90 1300 a 100 <2 <2 <6 <2 06/19/90 1300 s 100 <1 <1 <4 <2 07/04/90 1300 s 1 00 <2 <2 <$ . <2 07/17/90 1300 a 100 <2 <2 <5 <2 07/31/90 1400 a 100 <2 <2 <6 <3 08/14/90 1500 s inD <1 <2 <6 <3 08/28/90. 1300 e 100 e2 <2- <6 <3 09/12/90 1300 s 100 <2 <2 <5 <2 09/25/90 1300 s 1 00 =2 <2 <6 <3 10/09/90 1500 s 100 <2 <2 <$ <2 10/23/90 1400 s 100 <2 <2 <6 43 11/06/90 1300 t 100 <2 <2 <6 <2 11/20/90 1400 100 <2 <2 <$ <3 12/04/90 1200 s 100 <2 <2 <4 42 MEAN 1290 t 140 <2 <2 <5 <2 22F1 01/09/90 1300 s 100 <2 <2 <4 <1 02/13/90 1300 s 100 <2 <2 *5 <2 03/13/90 1200 a 100 <2 <2 <5 <2 04/10/90 1400 s 100 <3 <3 < 10 <5 04/24/90 1300 a 100 <2 <2 <5 <2 05/08/90 1200 s 100 <2 <2 <6 <2 05/22/90 1100 s 100 <2 4 s4 <8 <3 06/05/90 1300 a 100 *2 <2 <6 <3 06/19/90 100 <1 <1 <4 42 07/04/901400 ~ 1300 s 100 <2 <2 <5 <2 07/17/90 1300 t 100 <2 <2 ' <5 <2 07/31/90 1300 s 1 00 <2 <2 <6 <2 08/14/90 1300 s 100 <2 <2 <6 <2 08/28/90 1400 s 100 <2 <2 <6 <3 09/12/90 1300. s 100 <2 <2 <5 . <2 09/25/90'1500 s 100 <2 <2 <5 <2 10/09/90 -1200 s 100 <2 <2 <5 <2 10/23/90 1400 s 100 <2 <2 <5 <2 11/06/90 1400 s 100 <2 <2 <7 <2 11/20/90- 1300 s 100 <2 <2 <6 <2 12/04/90- 1400 s 100 <2 <2 <4 <2 NEAN 1314 .s 182 42 2 s1 46 42 NOTE: 1001 IS A 00AT MILK (1) CEE PROGRAM EXCEPfl0NS SECTION FOR EXPLANAfl0N
- C-18
VABLE C-VIII.1 IONTMLY TLD MSULTS FCR LIMERICK EMERAT*alG STAT!0N,1990 RESULTS IN UNITS OF MILL 1-RCENTGEN/STD. MO.
- 2 S.O.
AUG SEP OCT NOW DEC MAR APR MAY JUM .PJt. 570710E MEAM s JAN FEB 2 S.D. (1) - .......... -- .... C0C3 8.4 a 0.8 8.1 s 1.0 6.9 a 0.7 6.4 e 0.6 7.7 2 0.4 5.7 0.7 9.6 0.8 7.3 e 0.2 8.2 m 0.5 8.1 e 0.9 36S2 7.6 s 2.0 7.7 s 0.3 7.3 a 0.3 6.7 e 0.5 5.2 a 0.9 9.3 1.5 6.4 a 0.2 7.3 a 0.5 6.9 s 0.6 6.8 s 2.5 7.1 s 0.4 6.4 s 0.4 8.5 2 0.8 7.1 0.4 6.1 2 0.3 4.8 s 0.3 8.4 a 0.7 7.3 a 0.4 251 7.9 s 0.5 5.2 s 0.2 7.6 s 0.1 6.7 n 0.3 9.6 s 0.7 7.0 a 0.2 7.6 a 2.2 7.2 a 0.5 8.2 s 0.4 8.7 a 1.0 7.1 a 0.5 9.5 e 1.1 7.6 2 0.2 7.1 a 0.8 2E1 6.9 a 0.2 7.7 a 0.5 8.3 e 0.4 6.6 s 0.7 5.2 a 0.4 7.4 e 0.4 5.5 e 0.2 6.8 : 0.2 351 7.2 a 2.3 7.4 a 0.6 5.8 s 0.1. 4.4 s 0.4 7.6 0.5 5.4 m 0.2 6.4 a 0.4 6.6 0.3 5.9 e 1.7 5.9 a 0.3 5.6 m 0.3 6.8 a 0.4 6.0 s 0.2 5.3 2 0.4 5.0 s 0.2 8.8 a 0.3 8.4 e 0.7 4E1 6.5 t 0.1 5.0 2 0.2 6.9 a 0.4 5.9 1.0 9.7 s 0.3 7.6 e 0.1 7.3 e 2.6 7.1 s 0.4 6.9 s 0.4 8.3 a 0.5 7.0 a 0.3 9.7 a 0.4 9.5 a 0.8 8.3 a 0.5 551 9.3 a 0.5 8.4 a 0.3 7.9 e 0.3 7.5 s 0.5 8.7 e 0.3 7.0 m 1.4 13.0 a 1.2 501 8.6 s 1.8 8.8 0.3 8.3 a 0.3 7.1 a 0.5 5.3 a 0.9 9.1 e 1.3 7.1 a 0.4 7.9 0.4 6.9 a 0.4 7.0 s 2.1 7.0 a 0.5 6.8 m 0.3 7.9 0.5 7.3
- 0.3 6.2 a 0.2 5.3 a 0.5 7.6 e 0.4 8.2 a 0.6 7.5 m 0.3 6c1 8.7 s 0.5 7.0 a 0.1 6.7 e 0.4 7.6 e 0.9 5.7 m 0.1 9.5 m 0.6 751 7.7 e 2.1 7.5 s 0.3 7.4 e 0.2 9.2 a 0.7 5.7 m 0.2 9.2 a 0.2 7.6 e 0.3 8.3 a 0.5 7.3 s 0.3 7.0 a 0.3 8.4 0.6 7.5 s 0.4 6.7 s 0.6 5.6 2 0.8 7.8 e 0.4 6.9 m 0.5 7E1 7.4 s 2.1 7.6 m 0.4 5.9 s 0.3 7.1 a 0.5 5.4 s 3.3 8.7 s 1.0 7.2 e 0.4 7.6 e 0.4 7.0 s 1.8 6.9 a 0.3 6.7 0.2 8.1 a 0.7 7.4 s 0.2 6.3 e 0.3 7.5 s 0.3 8.0 a 0.4 7.4 s 0.4 9C1 7.3 a 0.3 6.8 s 0.3 6.720.4 7.3 e 0.3 5.8 m 0.9 9.3 s 0.7 1053 7.4 s 1.8 7.5 s 0.4 7.1 e 0.2 8.7 s 0.9 5.6 m 0.5 9.5 2 0.6 7.5 2 0.5 8.4 a 0.3 7.4 a 0.2 0.2 8.1 0.2 7.6 s 0.3 6.6 e 0.3 5.1 0.3 7.4 e 0.3 10E1 7.3 e 2.4 7.4 s 0.3 6.9 6.2 e 0.2 7.9 e 0.5 6.5 m 0.3 9.9 s 0.5 8.1 0.3 8.9 a 0.3 8.0 m 0.2 7.9
- 1.9 8.2 e 0.5 7.7 s 0.3 7.9 0.8 8.0 s 0.7 7.8 t 1.0 8.1 a 0.7 7.3 a 0.3 1151 8.5 0.3 6.7 e 0.3 5.4 a 0.2 7.5 z 0.6 7.0
- 0.4 9.1 e 0.7 7.520.3 10F3 7.5 a 2.1 7.1 e 0.4 7.0 a 0.3 8.9 a 0.2 5.0 e 0.2 8.7 0.3 7.0 m 1.2 7.4 A 0.3 6.720.2 6.3 a 0.2 7.4 a 0.3 6.5
- 0.2 6.3 a 0.8 4.7 s 0.1 7.0 s 0.3 5.6 m 0.6 1451 6.6 s 2.1 6.7 s 0.2 3.6 s 0.4 5.5 s 0.4 4.1 a 2.4 7.4 e 0.8 6.6 2 0.3 6.2 a 0.2 J
5.6 s 2.1 5.7 m 0.3 6.0 e 0.2 6.5 m 0.5 5.9 0.1 4.7 s 0.4 7.6 e 0.3 8.1 a 0.3 7.8 a 1.0 l 13c1 7.6 a 0.4 6.9
- 0.7 5.4 a 0.3 (2) 6.6 s 0.6 9.4 e 0.2 13E1 7.4 e 2.0 7.2 0.3 7.0 s 0.3 8.2 a 0.5 5.2 a 0.3 5.2 s 0.3 3.7 s 1.0 5.5
- 0.6 5.8 0.5 0.5 5.6 s 0.5 5.2 2 0.3 9.9 s 2.1 4.9 m 0.2 5.3 e 0.2 4.8 e 0.6 7.4 1.0 1334 5.5 s 3.0 5.1 6.6 0.4 5.4 s 0.2 7.9 a 0.3 5.8 1 0.5 9.5 s 0.3 7.7 0.5 8.8 0.4 1
7.5 s 2.3 7.6 2 0.4 7.2 s 0.1 8.3 a 0.5 7.5 2 0.3 8.7 e 0.2 6.7 e 0.3 7.5 m 0.6 7.6 m 0.6 9501 7.5 s 0.2 6.0 a 0.2 4.8 s 0.4 6.6 e 0.4 4.9 s 0.4 1652 6.8 a 2.3 6.5 e 0.3 7.1 s 0.3 7.5 t 0.6 7.8 e 0.4 6.0 m 0.5 9.4 a 0.5 7.8 s 0.1 8.6 s 0.6 7.8 m 0.5 7.5 m 2.3 7.3 a 0.3 7.1 a 0.1 8.9 m 0.4 7.5 m 0.2 6.8 a 0.1 5.4 s 0.2 6.7 0.5 8.0 s 0.5 6.8 m 0.1 16F1 6.3 0.2 5.1 0.3 7.2 a 0.3 5.1 : 0.4 8.7 0.3 9731 7.0 2 2.3 7.0 a 0.2 7.4 a 0.3 8.7 0.4 7.2 s 0.4 8.3 a 0.4 7.2 a 0.4 7.6 e 0.6 7.1 a 0.5 7.4 a 0.5 6.3 a 0.2 6.0 a 0.4 4.6 2 0.4 6.4 m 0.3 4.7 s 0.3 1851 6.5 e 2.2 6.4 s 0.4 6.2 s 0.1
- 1. MEAM AND TWO TIMES ?ME STMCARD DEVIATION OF TME toiTMLY RESULTS.
- 2. SEE PROGRAM EXCEPfl0NS SECTION FOR EXPLAMATION.
C-19
- ?
TABLE C-VIII.1 - MONTMLY TLD RESULTS FOR LIMERICI: GENERATING STAfl0N, 1990 RESULTS IM UNI 1S OF MILLI-ROENTGEN /STD. MO.
- 2 S.D.
STATION EAN a JAN FEB MAR APR MAY JUN JUL AUG SEP OCT Nov DEC CODE- 2 S.D. (1) 18G1 6.4 a 2.5 6.8 0.3 5.9 a 0.3 8.0 a 0.9 6.1 a 0.2 5.5 a 0.2 4.1 a 0.4 6.1 a 0.2 4.6 a 0.3 8.2 a 0.5 7.1 a 0.4 7.2 a 0.6 7.2 a 0.7 1901 7.3 a 2.4 7.2 a 0.2 6.9 a 0.5 8.6 a 0.7 8.6 0.6 6.1 a 0.2 5.2 a 0.3 7.1 a 0.4 4.1 a 0.4 9.1 a 0.5 8.3 a 1.2 8.3 a 0.5 6.7 a 0.6 2001 6.9 a 2.4 - 6.6 a 0.6 7.7 0.5- 9.0 a 0.8 7.1 a 0.3.' 5.8 a 0.1 4.7 a 0.5 6.3 a 0.2 5.9 a 0.4 8.5 0.4 6.4 a 0.2 7.9 a 0.3 6.5 0.4 20F1 7.4 a 2.4 7.2a0.3 8.1a0.6 9.1 a 0.2 8.4 a 0.6 6.2 a 0.4 5.0 a 0.5 7.5 0.4 6.1 a 0.2 8.9 a 0.4 6.9 a 0.2 8.1 a 0.5 7.1 a 1.0 l i 2151 6.5 a 1.9 6.2 a 0.4 7.2 a 0.4 7.5 a 0.3 6.6 a 0.4 ' 5.9 a 0.2 4.3 a 0.5 6.8 m 0.5 5.6 a 0 2 7.9 a 0.1 6.6 a 0.2 7.1 a 0.7 6.1 a 0.3 22G1 6.9 a 2.1 6.7 a 0.1 7.4 a 0.3 8.7 a 1.1 7.3 a 0.2 5.8 a 0.5 5.0 a 0.9 7.0 a 0.4 5.9 a 0.4 8.4 a 0.5 6.5 a 0.1 7.6 a 0.3 6.6 a 0.4 - 23S2 6.9 a 2.1 - 6.7 m 0.2 7.7 t 0.4 8.3 a 0.4 6.9 a 0.5 6.3 a 0.5 5.0 a 0.9 6.8 0.5 5.6 0.4 8.8 a 1.4 6.6 a 0.3 T.4 a 0.3 6.6 a 0.3 - 2401 6.5 a 2.3 6.0 a 0.3 6.9 a 0.3 8.5 a 0.5 6.8 a 0.5 5.4 a 0.3 - 4.5 a 0.8 6.8 a 0.3 5.4 a 0.2 8.3 a 1.4 6.2 a 0.3 7.3 a 0.3 6.1 a 0.7 25S1 6.8 a 2.* 6.4 a 0.2 8.3 a 0.3 7.9 m 0.5 6.6 a 0.4 6.0 a 1.0 4.6 a 0.4 6.9 a 0.6 5.9 a 0.5 8.2 a 0.2 6.6 0.3 7.3 a 0.4 7.1 a 0.3 2501 6.3 a 2.2 6.0 a 0.3 ' 6.9 a 0.4 8.1 a 0.4 6.2 a 0.3 5.3 a 0.2 - 4.3 a 0.3 6.5 a 0.4 5.3 a 0.2 8.1 a 1.0 6.0 a 0.2 6.8 a 0.3 5.9 a 0.2 26S3 6.5 e 2.3 - 6.1 a 0.3 7.9 a 0.4 7.6 a 0.5 6.3 a 0.2 5.6 0.5 4.3 a 0.3 6.9 a 0.2 5.5 a 0.1 - 8.0 a 0.6 6.5 0.2 7.4 a 0.2 5.8 a 0.3 ' 26s1 6.9 a 2.0 6.6 a 0.3 7.3 a 0.5 8.3 a 0.8 7.0 a 0.4 6.1 a 0.5 4.9 0.5 7.0 a 0.3 6.0 a 0.1 8.5 a 0.3 6.7 a 0.4 7.4 a 0.1 6.7 4 0.6 . 2002 ' 7.2 a 2.1 6.6 a 0.3 7.3 a 0.1 8.1 a 0.3 7.9 a 0.4 5.9 a 0.3 4.8 a 0.6 7.1 a 0.4 7.1 a 0.5 8.6 a 1.0 6.7 a 0.2 7.8 a 0.2 8.0 a 1.3 29S1- 6.7 a 2.3 6.3 a 0.3 - 8.1 a 0.2 7.9 a 0.3 6.4 a 0.3 5.7 a 0.3 4.3 a 0.4 6.9 0.5 5.6 0.4 7.9 a 0.3 7.5 a 0.4 7.4 a 0.2 6.3 a 0.3 2951 7.0 a 1.7 6.6 a 0.3 7.3 a 0.3 8.3 a 0.4 7.1 a 0.3 6.1 a 0.6 6.1 a G.4 7.0 a 0.4 5.9 a 0.4 8.7 0.5 6.6 a 0.3 7.5 a 0.3 6.6 0.2 l 29E1 7.0 a 2.1 6.8 a 0.1 7.5 a 0.3 8.4 a 0.6 6.9 a 0.2 6.1 a 0.3 5.0 a 0.3 7.2 a 0.4 6.0 a 0.4 8.8 a 0.3 7.0 a 0.2 7.3 a 0.3 7.0 a 0.9 , 31D1 8.8 a 2.2 8.0 a 0.3 9.0 a 0.2 11.0 a 0.4 8.7 a 0.3 7.7 a 0.4 7.5 a 0.5 8.8 e 0.6 7.9 a 0.5 10.2 a 0.5 9.2 a 1.6 9.% 0.3 8.2 a 0.3 i 3102 7.6 a 2.6 7.0 a 0.5 8.7 a 0.4 9.6 0.1 7.8 a 0.3 6.6 a 0.4 5.0 a 0.7 7.5 a 0.4 6.3 a 0.3 9.2 a 0.4 7.5 0.4 8.6 e 0.3 7.3 a 0.2 ' 32S1 5.7 a 2.2 5.3 a 0.8 6.3 a 0.3 7.1 a 0.2 5.6 a 0.3 4.8 a 0.1 3.7 a 0.2 5.7 a 0.4 4.7 0.3 7.5 a 0.4 5.3 a 0.2 6.8 a 0.4 5.4 a 0.1 i 32C1 7.6 a 1.8 7.2 a 0.3 7.9 a 0.4 8.9 a 0.2 7.6 a 0.4 6.6 a 0.5 6.3 a 0.2 7.9 a 0.4 6.6 0.4 9.2 a 0.3 7.4 a 0.6 8.5 a 0.4 7.2 a 0.4 3452 8.0 a 2.5 - 7.7 a 0.4 8.1 a 0.4 9.1 a 0.2 9.2 a 0.1 7.4 a 1.4 5.6 a 0.3 7.8 a 0.2 6.8 a 0.5 10.6 a 0.7 7.8 a 0.4 8.7 a 0.4 7.6 a 0.3 I 34E1 7.2 a 2.4 6.9 a 0.2 7.5 a 0.3 9.4 a 0.8 7.2 a 0.4 6.2 a 0.6 4.9 a 0.4 7.3 a 0.3 6.2 a 0.2 8.9 a 0.6 7.0 a 0.8 8.1 a 0.2 7.0 t 0.4 3581 7.5 a 2.5 6.8 a 0.2 7.5 a 0.3 9.3 a 0.4 7.5 a 0.1 6.3 a 0.7 5.0 a 0.3 7.6 0.3 6.4 a 0.1 8.8 0.5 7.5 a 0.2 9.2 a 0.4 7.9 a 0.4 t 35F1 8.0 a 2.5 7.5 a 0.6 8.1 a 0.2 10.3 a 0.4 8.1 a 0.5 7.0 a 0.3 5.7 a 0.4 8.0 a 0.4 7.1 a 0.4 10.0 a 0.7 7.6 a 0.3 8.8 a 0.3 7.8 a 0.5 L
- 1. MEAN AND TWO TIMES THE STANDARD DEVIATION OF THE MONTRLY RESULTS. l b
i C-20 t + f
1ABLE C Vllt.2 QUARTERLY ILD RESULT 5 FOR LIMERICK GENERAf!NG STAfl 3. . 1990 RESULTS IN UNITS OF MILLl*RDENIGEN/$fD. MO. s 2 S.D. $fAflDN MEAN t JAN kAR APR
- JUN JUL*$tP OCT DEC CODE 2 R.D. (1) 3652 6.8 t 0.4 6.9 0.2 7.0 a 0.3 6.5 a 0.1 6.9 s 0.2 281 6.0 a 0.2 5.9 : 0.3 6.1 a 0.3 6.0 a 0.4 6.1 0.2 2E1 6.8 0.9 6.6 0.3 6.3 a 0.3 6.9 0.5 7.3 t 0.1 351 6.5 0.6 6.3 s 0.3 6.4 a 0.1 6.5 t 0.2 7.0 s 0.3 4E1 5.1 a 0.6 5.0 s 0.3 5.0 t 0.2 4.9 0.1 5.6 0.2
$$1 6.8 1.5 6.3 a 0.1 6.4 s 0.6 6.5 t 0.2 7.9 0.4 $N1 7.8 0.8 7.8 4 0.1 7.9 s 0.3 7.2 t 0.2 8.1 2 0.2 6C1 6.3 a 0.4 6.2 a 0.3 6.5 t 0.4 6.4 1 0.4 6.0 a 0.3 781 6.9 0.8 6.8 0.4 6.8 0.3 6.5 0.2 7.4 t 0.2 TE1 6.8 s 0.8 7.3 a 0.2 6.7 4 0.4 6.4 4 0.4 6.9 0.1 9C1 6.2 s 0.3 6.2 a 0.3 6.4 a 0.2 6.0 t 0.3 6.2 a 0.2 1053 6.7 : 0.6 6.6 4 0.2 6.5 t 0.4 6.6 a 0.4 7.2 a 0.3 10E1 6.6 s 0.7 6.4 a 0.3 6.7 0.3 6.2 a 0.4 7.0 a 0.3 1111 7.2 a 0.3 7.2 a 0.3 7.3 a 0.3 7.2 s 0.2 7.0 a 0.3 1073 6.8 0.9 6.6 0.1 6.9 t 0.3 6.3 a 0.2 7.3 a 0.3 1481 5.9 0.8 5.6 0.3 5.7 a 0.2 5.8 0.2 6.5 0.1 13C1 4.8 a 0.7 4.6 s 0.1 5.0 a 0.4 4.5 t 0.2 5.2 a 0.1 13E1 6.5 0.6 6.4 0.2 6.4 0.2 6.3 t 0.3 7.0 s 0.1 13H4 3.7 4 2.9 5.0 t 0.3 3.2 1.0 4.7 a 0.3 1.9 0.1 1501 6.7 t 0.6 6.3 t 0.1 6.8 s 0.2 6.6 0.4 7.0 s 0.3 16$2 5.9 s 0.5 5.6 0.1 5.9 0.4 5.8 0.2 6.2 a 0.5 1671 6.9 e 1.1 6.5 t 0.4 6.5 t 0.4 6.8 0.3 7.7 s 0.7 1781 6.1 s 0.4 6.1 0.2 6.4 4 0.1 6.0 t 0.1 5.9 0.2 1851 5.7 a 0.8 5.5 0.4 5.9 : 0.3 5.3 s 0.3 6.2 a 0.0 18G1 5.6 0.7 5.7 s 0.4 5.3 4 0.2 5.3 a 0.2 6.0 s 0.2 1901 6.3 s 0.4 6.4 s 0.4 6.3 a 0.2 6.0 a 0.6 6.5 0.2 2001 6.1 s 0.4 6.0 t 0.3 6.4 a 0.2 5.8 0.2 6.4 a 0.1 20F1 6.5 s 0.3 6.6 a 0.5 6.4 a 0.3 6.4 s 0.2 6.7 0.2 2181 5.9 2 0.4 5.8 s 0.1 6.0 t 0.4 5.8 t 0.3 6.2 a 0.2 22G1 6.1 a 0.5 6.3 a 0.1 6.3 a 0.5 6.0 0.1 5.8 0.3 2352 6.1 1 0.8 6.4 4 0.2 5.5 0.4 6.3 a 0.2 6.3 s 0.2 2401 5.9 s 1.0 6.6 1 0.1 5.4 0.9 5.7 s 0.4 6.0 s 0.1 2551 5.9 s 0.6 6.1 a 0.2 5.5 s 0.2 5.8 0.2 6.2 a 0.2 2501 5.5 1.2 5.8 1 0.1 4.6 0.2 5.6 0.3 6.0 s 0.2 26s3 5.5 t 1.4 5.8 s 0.2 4.5 0.3 5.7 0.2 6.1 a 0.6 2601 6.1 a 1.1 6.3 a 0.2 5.5 0.2 6.0 s 0.3 6.8 0.4 2002 ,6.1 s 0.8 6.2 4 0.2 5.7 0.1 6.0 t 0.2 6.7 1 0.5 2931 5.9 a 1.5 6.3 a 0.2 4.9 0.2 5.7 0.2 6.6 a 0.1 2981 6.1 0.5 6.2 0.2 6.0 s 0.2 5.8 : 0.3 6.4 s 1.0 29E1 6.2 s 0.5 6.4 a 0.2 5.8 0.3 6.3 a 0.4 6.2 s 0.2 3101 7.9 s 0.4 8.0 t 0.2 7.7 0.4 7.9 a 0.2 8.2 a 0.2 3102 6.7 s 0.5 6.7 0.2 6.7 0.2 6.4 a 0.2 7.0 a 0.1 32$1 4.9 t 0.8 4.8 0.1 4.4 s 0.1 5.1 a 0.5 5.3 0.0 32G1 6.6 a 1.1 6.8 0.4 5.8 s 0.2 6.8 s 0.3 7.1 a 0.1 1482 6.9 a 1.3 7.1 : 0.2 6.S : 0.2 6.4 a 0.3 7.8 s 0.4 34E1 6.3 s 0.5 6.3 a 0.2 6.1 s 1.0 6.2 a 0.2 6.7 : 0.2 3581 6.5 s 0.7 6.5 0.3 6.1 0.3 6.8 0.5 6.8 : 0.2 35F1 7.3 a 0.7 7.3 a 0.2 6.9 0.2 7.2 a 0.3 7.7 s 0.2
- 1. MEAN AMD TWO TIMES THE STANDARD DEVIAf!ON Of TPE QUARTERLY RESUti$.
C-21 1
TABLE C Vill.3 1990 MEAN TLD RESULTS FkOM LIMtiICC GENERATING STAfl0N FON THE $1TE SOUNDART, MILCLE, aid DJiER AlWGS RESULTS IN UNITS OF MILLI Rot'N1 GEN /STD. MO. t 2 STANDARD DEVI ATIONS OF THE STATION DATA SAMPLE EXPOSURE $1TE MIDDLE RikG OUTER tlhG TYPE PERIOD MONTMLY JAN 1990 6.9 s 1.5 6.9 s 1.1 6.P e 2.6 FEB 1990 7.3 1 1.3 7.3 e 1.5 7.C e 2.4 MAR 1990 8.0 e 1.2 8.6 e 1.8 8.0 t 3.3 APR 1990 7.2 s 2.0 7.4 3 1.4 7.9 a 2.8 MAY 1990 6.3 2 1.5 6.3 s 1.4 6.1 2.3 A21 1990 5.1 1.9 5.2 $ 1.4 5.6 e 2.6 JUL 1990 7.0 a 1.1 7.2 a 1.3 6.9
- 3.0 AUG 1990 5.6 1.2 5.9 e 1.7 5.9 s 2.0 SEP 19M 8.9 a 1.8 8.9 a 1.3 8.2 e 3.6 oCT 1990 7.0 t 1.4 7.1 a 1.5 6.9 4.3 WW 1990 7.8 4 1.3 8.0 e 1.6 7.7.4 3.0 DEC 1990 7.0 t 1.7 7.1 s 1.3 7.0 a 1.8 QUARTERLY JAN MAR 1990 6.2 a 1.3 6.3 a 1.3 6,3 e 2.1 APR JUN 1990 5.9
- 1.7 6.2 a 1.3 5.7 a 3.4 JUL SEP 1990 6.1 t 1.1 4.2 t 1.3 6.0 e 2.1 OCT DEC 1990 6.7 a 1.4 6.6 e 1.4 5.8 4 4.7 TADtt C Vill.4
SUMMARY
OF THE 1900 AMSIEEi DOSIMETRT PROGRAN F0dt LIMERICK GENERATING STAfl0e! RESULTS IN UNITS OF MILLI ROENTCEN/STD. MO. PEKl00 PR5 OP EARPLE No. OF SAMPLES PERICC PEtt0D MEAN MEAN TYPE LOCAfl0N ANALYZED MINIM 31 MAZlHUN t 2 $,D. t 2 $.D. (1) MONTHLY SITE 192 3.7 10.6 7.0 e 2.4 7.6 4 2.4 MIDDLE RING 323 3.6 11.0 Tot 2.5 7.8 a 2.2 CUTER RING 60 3.'7 10.0 7.0 a 3.1 7.8 a 3.0 QUARTE 8LY $1TE 64 4.4 7.9 6.2 s 1.5 MIDDLE RING 100 4.5 S.2 6.3 e 1.4 OUTER RlhG 20 1.9 8.1 5.9 t 3.0 (1) THE PRE OPERAfl0NAL MF.AN 145 t.ALCULATED FRQl4 TLC READING 3 1 15 82 To 12 02 04
$1T3 $/1MDARY ltlNG $ TAT!QNS
- 3ti, 141, 781,1013,1151,1431,1652,1831, 21$1,23ht,2581,26s3,2951,3251,3452,3652.
MIDDLE ElWG $TATIN S - 221, 's ti, GEi, act, 7E1, 9C1,1CE1,10F3, 13ct,13E1,1501,16fi,'751,1901,2 Cot,20F1, 2401,2501,2681,2802.2%1,29E1,3101,3102, 34Ei,DS1,35F1 DJTER RING $TAfl0NS - 5H1,13H4,1 n i C-22
.-. ~- . _ - - . _ , - . _ .---.- - - -- _ ~ . . - - . . . - . . _ . _ . - .
64 TABLE C IX.1 SuenRT 07 COLLECiluN DAftt FOR SAMPLit COLLECit0 IN THE VICINITY OF LIMERICK GENERAllNG STAfl0N, 1990
$URFACE WAftR (GROSS Stf A AND CA3MA) s COLLECTION 1072 1381 1682 2481 Pitt0D JAH 90 12/27 01/29 12/26 01/29 12/26 01/29 fts 90 01/29 02/26 01/29 02/26 01/29+02/26 MAR 90 02/26-03/26 02/26 03/26 02/26 03/26 APk 90 03/26 M/70 03/26 04/30 03/26 04/30 MAY 90 04/30 05/29 04/30 05/28 04/30 05/28 JUp 90 05/29 06/25 05/28 06/25 05/28 06/25 JUL 90 06/25 07/30 07/25 07/30 06/2$ 07/30 06/25 07/30-AUC 90 -07/30 08/27 07/30 08/27 07/30 08/27 07/30 08/27-l $EP 90 08/27 09/24 08/27 09/24 08/27 09/24 08/27 09/24 OCT 90 09/24 10/29 09/24 10/29 09/24 10/29 09/24 10/29
.Nov 90 10/29 11/26 10/29 11/26 10/29 11/26 10/29 11/26 t
DEC 90 11/26 12/27 11/26 12/27 11/26 12/27 11/26 12/27-
$URfAct WAftt (TRITlUM)
COLLEC110N 1072 1381 1682 2481 PERIOD JAN MAR 90 12/27 03/26 12/26 03/26 12/26 03/26 APR JUN 90 03/26+06/25 03/26 06/25 03/26 06/25 Jut stP 90 06/25 09/24 07/25 09/24 06/25 09/24 06/25 09/24 OCT Orc 90 09/24 12/27 09/24 12/27 09/24 12/27 09/24 12/27 DRlNKlWG WATER (GRO$$ ttfA AL3 GAMMA) COLLECil0N 13H2 1574 t$F7 16c2 28F3 PERIOD
.......... ........s.... ............. ............. ............. .............
JAM 90 12/26 01/?9 12/26-01/29 ~12/26 01/29 12/26 01/29 12/26 01/29 fit 90 01/29 02/26 01/29 02/26 01/29 02/26 01/29 02/26 01/29 02/26 MAR 90 02/26 03/26 02/26 03/26 02/26 03/26 02/26 03/26 02/26 03/26 AP2 90 03/26 04/30 03/26 04/30 03/26 04/30 03/26 04/30- 03/26 04/30 , MAY D 04/30 05/29 04/30 05/28 04/30 05/29 04/30 05/28 04/30 05/28 05/29 06/25 05/28 06/25 05/29 06/25 05/28 06/25 05/28 06/25 JUN 90 JUL 90 06/25 07/10 06/25 07/30 06/25 07/30 06/25 07/30 06/25 07/30 AUG 90 07/30 08/27 07/30 08/27 , 07/30 08/27 07/30 08/27 07/30 08/27 SEP 90 08/27-09/24 05/27 09/24 08/27 09/24 08/27 09/24 08/27 09/24 CCT 90 09/24 10/29 09/24 10/29 09/24 10/29 09/24 10/29 09/24 10/29 NOV 90 - *0/29 11/26 10/29 11/26 10/29411/26 10/29 11/26 10/29 11/26 Dtc 90 11/26 12/27 11/26 12/27 11/26 12/27 11/26 12/27- 11/26 12/27 i DRINKING WAftR (TRITIUM) COLtfCTION 13H2 1574 15F7 16C2 28F3 PfRIOD' iWMAR90 12/26 03/26 12/26 03/26 12/26 03/26 12/24 03/26 12/26 03/26 . APR JUW 90 03/26 06/23 03/26 06/25_ 03/26 06/25- 03/26 06/25 03/26 06/25 l JUL SE* 90 06/25 09/24- 06/25-09/24 06/25 09/24 06/25 09/24 06/25 09/24 l OCT DEC 90 09/24 12/27 09/24 12/27 09/24 12/27 09/24 12/27 09/24 12/27 C-23 4
. - .- , - + , . - . , .,r.., , , - + - . , _ . - . , .,,,,_m.,, . _ _ _.nm__a._, ,a _ .. . -_ . - _ _ . _ - - - , , - - - _ . _ . - ._ . _ - - - - - , -
m - _ . _ . _ - . _ __.m _ . - _ _ _ _ _ _ _ _ _. _ ._. _. _ _ _ _ _ _ m__.. _.. 2 _ I i TA8LE C+1X.1 S'.stMARY OF COLLECTl0N DATES FOR SAMPLit COLiECTE0 IN THE VICINITY OF LIMER!CK GENERAflNG $f Afl0N,1990 l AIR PA8flCULAft AND AIR 10DlhE GAOUP 1
- OW $ lit LOCAfl048 WEEE 1083 1181 1481 3452
...... ............. ............. ............. ............. 1 01 01/01 01/08 01/01 01/08 01/01 01/06 01/31 01/08 .i 02 01/06 01/15 01/08 01/15 01/06 01/15 01/08 01/15 l 03 01/15 01/22 01/15 01/22 01/15 01/22 01/15 01/22 ,
04 01/22 01/29 01/22 01/29 01/22 01/29 01/22 01/29 l 05 01/29 02/05 01/29 02/05 01/29 02/05 01/29 02/05 06 02/05 02/12 02/05 02/12 02/05 02/12 02/05 02/12 07 02/12 02/19 02/12 02/19 02/12 02/19 02/12 02/19 1 08 02/19 02/26 02/19 02/24- 02/19 02/26 02/19 02/26-09 02/26 03/05 02/26 03/05 02/26 03/05 02/26 03/05 10 03/05 03/12 03/05 03/12 03/05 03/12 03/05 03/12 11 03/12 03/19 03/12 03/19 03/12 03/19 03/12 03/19-12 03/19 03/26'- 03/19 03/26 03/19 03/26 03/19 03/26 13 . 03/26 04/02 03/26 04/02 03/26 04/02 03/26 04/02 14 04/02 04/09 04/02 04/09 04/02 04/09 04/02 04/09' 15 04/09 04/16 04/09 04/16 04/09 04/16 04/09 04/16 16 04/16 04/23 04/16 04/23 04/16 04/23 04/16 04/23 17 04/23 04/30 04/23 04/30 04/23 04/30 04/23 04/30 18 04/30 05/07 04/30 05/07 04/30 05/07 04/30 05/07~ 19 . 05/07 05/14 05/07 05/14 05/07 05/14 05/07 05/14 20 : 05/14 05/21 05/14 05/21 0$/14 05/21 05/14 05/21-21 05/21 05/28- 05/21 05/28 05/21 05/28 05/21 05/28
'22 05/28 06/04 05/28 06/04 05/28 06/04 05/28 06/04 23 - 06/04 06/11 06/04 06/11 06/04 06/11 06/04 06/11-
~ 24 06/11 06/18 06/11 06/18 06/11 06/18 06/11 06/18 25 06/18 06/25 06/18 06/25 06/18 06/25 06/18 06/25 26 06/25 07/02 G5/25 07/02 06/25 07/02 06/25 07/02 27 07/02 07/08 07/02 07/08 07/02 07/08 07/02 07/08 28 07/08 07/16 07/08 07/16 07/06 07/16 07/06 07/16 29 07/16 07/22 07/16 07/22 07/16 07/22 07/16 07/22 ; 30 07/22 07/30 07/22 07/30 07/22 07/30 07/22 07/30 i
, - 31 07/30 08/06 07/30 08/06 .07/30 08/06 07/30 08/06 32 08/06 08/13 08/06 08/13 08/09 08/13- 08/06 08/13 ,
33 08/13 08/20 08/13 08/20 08/13 08/20 08/13 08/20 34- 08/20 08/27 08/20 08/27- 08/20 08/27- 08/20 08/27 35 - 08/27 09/03 08/27 09/03 08/27 09/03 08/27 09/03 36- 09/03 09/11 09/03 09/11 09/03 09/11- 09/03-09/11 37 ' 09/11 09/17 09/11 09/17 09/11 09/17 09/11 09/17 33 09/17 09/24 09/17 09/24 09/17 09/24- 09/17 09/24 39 - 09/24 10/01 09/24 10/01 - 09/24 10/01 09/24 10/01 40 . 10/01 10/08 10/01 10/08 10/01 10/08 10/01 10/08 41 10/06 10/15 10/08 10/15 10/08 10/15 10/04 10/15
- 42. 10/15 10/22- 10/15 10/22 10/15 10/22 10/15 10/22 43 10/22 10/29 10/22 10/29 10/22 10/29 10/22 10/29 44- 10/29 11/05 10/29 11/05 10/29 11/05 10/29 11/05 45 11/05 11/12 11/05 11/12 11/05 11/12 11/05 11/12 46 11/12 11/19 11/12 11/19 11/12 11/19 11/12 11/19 47 11/19 11/26- 11/19 11/26 11/19 11/26 11/19 11/26-48 - 11/26 12/03 11/26 12/03 11/26 12/03 11/26 12/03 49- 12/03 12/10 12/03 12/10 12/03 12/10 12/03 12/10 50 --12/10 12/17 12/10 12/17 12/10 12/17 12/10 12/17 51- 12/17 12/23 12/17 12/23 12/17 12/23 12/17 12/23 +
'52. 12/23 12/31 12/23 12/31 12/23 12/31 12/23 12/31-C-24
,e.. ., y -, .y,.g., ,,-. ---*-,,,,,..p.y,.ow,g,_,, , , , , , , . . . .y q p p .$ ., .q9- g,w-wr yr.,.--. y-7 y w9-g -t--9-y- --F
TABLE C IX.1 SUMKARY Of COLLECilDN DAf t$ FDR LAMPLit COLLECitD IN THE VICINITY OF LIMERICK GthtRATING STAi!DN, 1990 AIR PARilCULAft AWD Alt 10Ditt GROUP ll a INTERMEDIAft DISTANCE LQACAtl0N$ WEtt 281 6C1 9C1 13C1 1501 1781 01 01/01 01/08 01/01 01/06 01/01 01/08 01/01 01/08 01/01 01/08 01/01 01/08 02 01/08 01/15 01/06 01/15 01/D8 01/15 01/08 01/15 01/08 01/15 01/08 01/15 03 01/15 01/22 01/15 01/22 01/15 01/22 01/15 01/22 01/15 01/22 01/15 01/22 04 01/22 01/29 01/22 01/29 01/22 01/29 01/22 01/29 01/22 01/29 01/22-01/29 05 01/29 02/05 01/29 02/05 01/29 02/05 01/29 02/05 01/29 02/05 01/29 02/05 06 02/05 02/12 02/05 02/12 02/05 02/12 02/05 02/12 02/05 02/12 02/05 02/12 07 02/12 02/19 02/12 02/19 02/12 02/19 02/12 02/19 02/12 02/19 02/12 02/19 D8 02/19 02/26 02/19 02/26 02/19 02/26 02/19 02/26 02/19 02/26 02/19 02/26 09 02/26 03/05 02/26 03/05 02/26 03/05 02/26 03/05 02/26 03/05 02/26 03/05 10 03/b5 03/12 03/05 03/12 03/05 03/12 03/05 03/12 03/05 03/12 03/05 03/12 11 03/12 03/19 03/12 03/19 03/12 03/19 03/12 03/19 03/12 03/19 03/12 03/19 12 03/19 03/26 03/19 03/26 03/19 03/26 03/19 03/26 03/19 03/26 03/19 03/26 13 03/26 04/02 03/26 04/02 03/26 04/02 03/26 D4/02 03/26 04/02 03/26 D4/02 14 04/02 04/09 04/02 04/09 04/02 04/09 04/02 04/09 04/02 04/09 04/02 04/09 15 04/09 04/16 04/09 04/16 04/09 04/16 04/09 04/16 04/09 04/16 04/09 04/16 16 04/16 04/23 04/16 04/23 04/16 04/23 04/16 04/23 04/16 04/23 04/16 04/23 17 04/23 04/30 04/23 04/30 04/23 04/30 04/23 04/30 04/23 04/30 04/23 04/30 18 04/30 05/07 04/30 05/07 04/30 05/07 D4/30 05/07 04/30 05/07 04/30 05/07 19 05/07 05/14 05/07 05/14 05/07 05/14 05/07 05/14 05/07 05/14 05/07 05/14 20 05/14 05/21 05/14 03/21 05/14 05/21 05/14 05/21 05/14 05/21 05/14 05/21 21 05/21 05/28 05/21 05/28 05/21 05/28 05/21 05/28 05/21 05/28 05/21 05/28 22 05/28 06/04 05/28 06/04 05/28 06/04 05/28 06/04 05/28 06/04 05/28 06/04 23 06/04 06/11 06/04 06/11 06/04 06/11 06/04 06/11 06/04 06/11 06/04 06/11 24 06/11 D6/18 D6/11 06/18 06/11*06/18 06/11 06/18 06/11 06/18 06/11 D6/18 25 06/10 06/25 06/18 06/25 06/12 06/25 04/18 04/25 06/18 06/25 06/18 06/25 26 06/25 07/02 D6/25 07/D2 06/25 07/02 06/25 07/02 06/25 07/02 D6/25 07/02 27 07/02 07/08 07/02 07/D6 07/02 07/08 07/02 07/08 07/02 07/D8 07/04 07/08 28 07/08 07/16 07/08 07/16 07/08 07/16 07/D8 07/16 07/08 07/16 07/D8 07/16 29 07/16 07/22 07/18 07/22 07/16 07/22 07/16 07/22 07/16 07/22 07/16 07/22 30 07/22 07/30 07/22 07/30 07/22 07/30 07/22 07/30 07/22 07/30 07/22 07/30 31 07/30 08/06 07/30 08/06 07/30 08/06 07/30 08/06 07/30 08/06 07/30 08/06 32 08/06 08/13 08/06 08/13 08/06 08/13 08/06 08/13 08/06 08/13 08/06 08/13 33 08/13 D8/20 08/13 08/20 08/13 08/20 08/13 08/20 08/13 D8/20 08/13 08/20 34 08/20 08/27 08/20 08/27 08/20 08/27 08/20 08/27 08/20 08/27 08/20 00/27 35 08/29 09/03 08/27 09/03 08/27 09/03 08/30 09/03 08/29 09/03 08/27 09/03 36 09/03 09/11 09/03 09/11 09/03 09/11 09/03 09/11 09/03 09/11 09/03 09/11 37 09/11 09/17 09/11 09/17 09/11 09/17 09/11 09/17 09/11 09/17 09/11 09/17 38 09/17 09/24 09/17 09/24 09/17 09/24 09/17 09/24 09/17 09/24 09/17 D9/24 39 09/24 10/01 09/24 10/01 09/24 10/01 09/24 10/01 09/24 10/01 09/24 10/01 40 10/01 10/08 10/01 10/08 10/01 10/08 10/01 10/08 10/01-10/D8 10/01 10/08 41 10/08 10/15 10/08 10/15 10/08 10/15 10/06 10/15 10/08 10/15 10/08 10/15 42 10/15 10/22 10/15 10/22 10/15 10/22 10/15 10/22 10/15 10/22 10/15 10/22 43 10/22 10/29 10/22 10/29 10/22 10/29 10/22 10/29 10/22 10/29 10/22 10/29 44 10/29 11/05 10/29 11/05 10/29 11/05 10/29 11/05 10/t9 11/05 10/29 11/05 45 11/05 11/12 11/05 11/12 11/05 11/12 11/07 11/12 11/05 11/12 11/05 11/12 46 11/12 11/19 11/12 11/19 11/12 11/19 11/12 11/19 11/12 11/19 11/12 11/19 47 11/19 11/26 11/19 11/26 11/19 11/26 11/19 11/26 11/19 11/26 11/19 11/26 48 11/26 12/03 11/26 12/03 11/26 12/03 11/26 12/03 11/26 12/03 11/26 12/03 49 12/03 12/10 12/03 12/10 12/03 12/10 12/03 12/10 12/03 12/10 12/03 12/10 50 12/10 12/17 12/10 12/17 12/10 12/17 12/10 12/17 12/10 12/17 12/10 12/17 51 12/17 12/13 12/17 12/23 12/17 12/23 12/17 12/23 12/17 12/23 12/17 12/23 52 12/23 12/31 12/23 12/31 12/23 12/31 12/23 12/31 12/23 12/31 12/23 12/31 0 25 1
I TABLE C IX.1 $UMMARY OF COLLECTION DAtts FOR SAMPLt3 COLLECito IN THE YlCIN11Y OF LIMERICK GtWERAflWG STAfl0N,1990 AIR PARTICULATE AND Alit 100lWE CROUP !! IWitRME01Aff DISTANCE LOACAil0NS WEEK 2001 241 2981 3101 3581 01 01/01 01/08 01/01 01/08 01/01 01/00 01/01 01/08 01/01 01/08 02 01/06 01/15 01/08 01/15 01/08 01/15 01/08 01/15 01/08 01/15 03 01/15 01/22 01/15 01/22 01/15 01/22 01/15 01/22 01/15 01/22 04 01/22 01/29 01/22 01/29 01/22 01/29 01/22 01/29 01/22 01/29 05 01/29 02/05 01/29 02/05 01/29 02/05 01/29 02/05 01/29 02/05 06 02/05 02/12 02/05 02/12 02/05 02/12 02/05 02/12 02/05 02/12 07 02/12 02/19 02/12 02/19 02/12 02/19 02/12 02/19 02/12 02/19 08 02/19 02/26 02/19 02/26 02/19 02/26 02/19 02/26 02/19 02/26 09 02/26 03/05 02/26 03/05 02/26 03/05 02/26 03/05 02/26 03/05 10 03/05 03/12 03/05 03/12 03/05 03/12 03/05 03/12 03/05 03/12 11 03/12 03/19 03/12 03/19 03/12 03/19 03/12 03/19 03/12 03/19 12 03/19 03/26 03/19 03/26 03/19 03/26 03/19 03/26 03/19 03/26 13 03/26 04/02 03/26 04/02 03/26 04/02 03/26-04/02 03/26 04/02 14 04/02 04/09 04/02 04/09 04/02 04/09 04/02 04/09 04/02 04/09 15 04/09 04/16 M/09 04/16 04/09 04/16 04/09 04/16 04/09 04/16 16 04/16 04/23 04/16 04/23 04/16 04/23 04/16 04/23 04/16 04/23 17 04/23 04/30 04/23 04/30 04/23 04/30 04/23 04/30 04/23 04/30 18 04/30 05/07 04/30 05/07 M /30 05/07 04/30 05/07 04/30 05/07 19 05/07 05/14 05/07 05/14 05/07 05/14 05/07 05/14 05/07 05/14 20 05/14 05/21 05/14 05/21 05/14 05/21 05/14 05/21 05/14 05/21 21 05/21 05/28 05/21 05/28 05/21 05/28 05/21 05/28 05/21 05/28 22 05/28 06/04 05/28 06/04 05/28 06/04 05/28 06/04 05/28 06/04 23 06/04 06/11 06/04 06/11 06/04 06/11 06/04 06/11 06/04 06/11 24 06/11 06/18 06/11 06/18 06/11 06/18 06/11 06/18 06/11 06/18 25 06/20 06/25 06/18 06/25 06/18 06/25 06/18 06/25 06/18 06/25 26 06/25 07/02 06/25 07/02 06/2bO7/02 06/25 07/02 06/25 07/02 27 07/02 07/06 07/02 07/06 07/02 07/08 07/02 07/08 07/02 07/08 28 07/06 07/16 07/06 07/16 07/06 07/16 07/08 07/16 07/08 07/16 29 07/16 07/22 07/16 07/22 07/16 07/22 07/16 07/22 07/16 07/22 30 07/22 07/30 07/22 07/30 07/22 07/30 07/22 07/30 07/22 07/30 31 07/30 08/06 07/30 08/06 07/30 04/06 07/30 08/06 07/30 08/06 32 08/06 08/13 08/06 08/13 08/06 08/13 08/06 08/13 08/06 08/13 33 08/13 08/20 08/13 08/20 08/13 08/20 08/13 08/20 08/13 08/20 34 08/23 08/27 08/20 08/27 08/20 08/27 08/20 08/27 08/20 08/27 35 08/27 09/03 08/27 09/03 08/27 09/03 08/29 09/03 08/29 09/03 36 09/03 09/11 09/03 09/11 09/03 09/11 09/03 09/11 09/03 09/11 37 09/11 09/17 09/11 09/17 09/11 09/17 09/11 09/17 09/11 09/17 38 09/17 09/24 09/17 09/24 09/17 09/24 09/17 09/24 09/17 09/24 39 09/24 10/01 09/24 10/01 09/24 10/01 09/24 10/01 09/24 10/01 40 10/01 10/08 10/01 10/08 10/01 10/06 10/01 10/08 10/01 10/06 41 10/08 10/15 10/08 10/15 10/08 10/15 10/08 10/15 10/08 10/15 42 10/15 10/22 10/15 10/22 10/15 10/22 10/15 10/22 10/15 10/22 43 10/22 10/29 10/22 10/29 10/22 10/29 10/22 10/29 10/22 10/29 44 10/29 11/05 10/29 11/05 10/29 11/05 10/29 11/05 10/29 11/05 45 11/05 11/12 11/05 11/12 11/05 11/12 11/05 11/12 11/05 11/12 46 11/12 11/19 11/12 11/19 11/12 11/19 11/12 11/19 11/12 11/19 47 11/19 11/26 11/19 11/26 11/19 11/26 11/19 11/26 11/19 11/26 48 11/26 12/03 11/26 12/03 11/26 12/03 11/26 12/03 11/26 12/03 49 12/03 12/10 12/03 12/10 12/03 12/10 12/03 12/10 12/03 12/10 50 12/10 12/17 12/10 12/17 12/10 12/17 12/10 12/17 12/10 12/17 51 12/17 12/23 12/17 12/23 12/17 12/23 12/17 12/23 12/17 12/23 52 12/23 12/31 12/23 12/31 12/23 12/31 12/23 12/31 12/23 12/31 C.26
1ABLE C lX.1 SUM %ARY Of COLLECTIDN DAf ts FOR LA6PLtB C04LtCit0 Ik THE VIClhITY OF LIM (RICK GthtRAlthG STA110W, 1990 AIR PARTICULAf t /40 Alt 10Dikt ORouP 111 CONTROL LOACA110NS WEtK 13ne 22G1 01 01/02 01/08 01/01 01/08 02 01/D8 01/16 01/DB 01/15 03 01/16 01/22 01/15 01/22 D4 01/22 01/29 11/22 01/29 05 01/29 02/05 41/29 02/05 06 02/05 02/12 02/D5 02/12 07 02/12 02/20 02/12 02/19 08 02/20 02/26 C2/17 02/26 D9 02/26 03/05 02/26 03/05 10 03/05 03/12 03/D5 03/12 11 03/12 O'J/19 03/12 03/19 12 03/19 03/26 03/19 03/26
'J 03/26 D4/02 03/26 04/02 14 04/02 04/09 04/02 04/09 15 04/09 04/16 04/09 04/16 16 D4/16 04/23 04/16 04/23 17 04/23 D4/30 04/23 04/30 18 04/30 05/07 04/30 05/07 19 05/07 05/14 D5/07 05/14 20 05/14 05/21 05/14 05/21 21 05/21 05/29 05/21 05/28 22 05/29 06/04 05/28 06/04 23 06/04 06/11 06/04 06/11 24 D6/11 06/19 D6/11 06/18 25 06/19 06/25 06/18 06/25 26 D6/25 07/02 06/25 07/02 27 07/02 07/D9 07/02 07/D8 28 07/09 07/16 07/06 07/16 29 07/16 0//23 07/16 07/22 30 07/23 07/30 07/22 07/30 31 07/30 08/D6 07/30 08/D6 32 fo/06 08/13 08/06 08/13 33 D8/13 08/20 D8/13 D6/20 34 08/20 08/27 08/20 D8/27 35 08/27 09/04 08/27 09/03 36 09/04 09/10 09/03 09/11 37 D9/10 09/17 09/11 D9/17 38 09/17 D9/24 09/17 D9/24 39 09/24 10/01 D9/24 10/01 40 10/01 10/09 10/01 10/D8 41 10/09 10/15 10/06 10/15 42 10/15 10/22 10/15 10/22 43 10/22 10/29 10/22 10/29 44 10/29 11/05 10/29 11/05 45 11/05 11/13 11/D5 11/12 06 'l/13 11/19 11/12 11/19 47 11/19 11/26 11/19 11/26 08 11/26 12/03 11/26 12/03 49 12/03 12/10 12/03 12/10 50 12/10 12/17 12/10 12/17 51 12/17 12/24 12/17 12/23 52 12/24 12/31 12/23 12/31 C-27
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I TABLE C lM.1 tuMMARY OF COLLECil0W DATES FOR SAMPLES COLLECTED IN THE VICINITY OF LINEtlCK GENERATING STAf!ON,1990 TLD - QUARTERLY JAN MAR APR JUN JUL*$EP OCT DEC STAT 10N - 1990 1990 1990 1990 CODE 3642 01/03 04/03- 04/03 07/03 07/03 10/02 10/02 01/02 281 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 J 2E1 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 381 01/03 04/03 04/03 07/03 07/03 10/02 -10/02 01/02 4E1 01/03 04/03 04/03 07/03 07/03 10/M 10/02 01/02
$si 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 5H1 01/03 04/03 04/03 07/03 07/03 10/02- 10/02 01/02 6c1 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 781 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 711 01/03 04/03- 04/03 07/03 07/03 10/02 10/02 01/02 9C1 01/03 M/03 04/03 07/03 07/03 10/02 10/02 01/02 1053 01/03 04/03- 04/03 07/03 07/03 10/02 10/02 01/02 10E1 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 1151 01/03 04/03 04/03 07/03 07/03 10/02 -10/02 01/02 10F3- 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 1481 -01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 13C1 01/03 04/03 04/03 07/03- 07/03 10/02 10/02 01/02 13E1 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 13N4 01/08 04/09 04/09 07/02 07/02 10/01 10/01 01/07 1501- 01/03 M/03:04/03 07/03 07/03+10/02 10/02 01/02 1682 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 1671 01/01 04/03 ' 04/03 07/03 07/03 10/02 -10/02 01/02
.1731: 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02
-1881- 01/03 04/03, 04/03 07/03 07/03 10/02 10/02 01/02 18Gt 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 1901 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 2001 01/03 04/03 04/01 07/03 07/03 10/02 10/02 01/02 20F1 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 2151 01/03 N /03 04/03 07/03 07/03 10/02 10/02 01/02 2201 01/03 04/03' 04/03 07/03 07/03 10/02 10/02 01/02 2382 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 2401 01/03 r%/03 04/03 07/03 07/03 10/02- 10/02 01/02 2581 M /~J 04/03 04/03 07/03 07/03 10/02 10/02 01/02 2501 ~01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 2683 01/03*04/03 04/03 07/03 07/03 10/02 10/02 01/02 2641 01/03 M/03 04/03 07/03 07/03 10/02 10/02 01/02 2002- 01/03 04/03 04/03 07/03 07/03 10/02 .10/02 01/02 2981 01/03 04/03- 04/03 07/03 07/03 10/02 10/02 01/02 2981 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 29E1 .01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 31D1 10/02 01/02 3102- 01/0304/03-01/03 04/03.
04/0304/03 07/03_ 07/03 07/03 10/02 ~10/02 07/03 10/02 01/02 : 3281' 01/03 04/03_04/03 07/03 07/03 10/02 10/02 01/02 32G1 01/03 04/03 04/03 07/03 07/03 10/02 10/02 01/02 3482 01/03 04/03. 04/03 07/03 07/03 10/02 10/02%11/02
' 34E 1 ~ 01/03 04/03 04/03 07/03 07/03 10/02 10/02 G1/02 3581 01/03 04/03--04/03 07/03 07/03 10/02 10/02 01/'12 35F1 01/03 04/03 04/03 07/03 . 07/03 10/02 10/02 01/01 C-29
]
l l FIGURE C 1 MEAN MONTHLY SOLUBLE OROSS BETA CONCENTRATIONS IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF LOS, 1982 - 1990 100 _- . ..
- .: 1 __
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- -O- CONTROL T E ~ T ? T 'l ~C~ I L
. _- . . ..-.T~"^~ -
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FIGURE C-5 MEAN ANNUAL CS-137 CONCENTRATIONS IN FISH SAMPLES COLLECTED IN THE VICINITY OF LGS, 1982 - 1990 0.1 __.__ _ ai _ _ ..t.__. - _g _ _. _ . _. t__ - - . u - - - - . . _ a._ __ .. _...___l, __.. ._. . d __ ._._ __ __. j _.._ _ _ ._ _. i . ._.._ -.. . _ . ~
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*,'3LES MEAN ANNUAL CS-137 CONCENTRATIONS IN SEE- t ?" '
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FIGURE C-7 MEAN WEEKLY GROSS BETA CONCENTRATIONS IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF LGS,1990 100 _ _, _ _ __; __# _ n_} _._j.._._ _, ._ _ ._j _.___.._j_a_2__
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l FIGURE C-8 MEAN MONTHLY OROSS BETA CONCENTRATIONS IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF LOSI 1982 - 1990 1000_. - . ~- -
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i FIGURE C-9 COMPARISON OF POSITIVE MEAN MONTHLY CS-137 VALUES IN MILK SAMPLES COLLECTED IN THE VICINITY OF LGS, 1984 - 1990 100- _
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FIGURE C-10 MEAN MONTHLY AMBIENT GAMMA RADIATION LEVELS (TLD) IN THE VICINITY OF LOS, 1982 - 1990 12 ;
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DATA TABLES QC LABORATORY
APPENDIX D: DATA TABLES AND FIGURES - COMPARISON LABORATORY TABLES Table 0-1.1 Concentration of Gross Beta Soluble in Surface and Drinking Water Samples Collected in the Vicinity of Limerick Generating Station, 1990. Table D-I.2 Concentrations of Gross Beta Insoluble in Surface and Drinking Water Samples Collected in the Vicinity of Limerick Generating Station, 1990. Table D I.3 Concentrations of Gama Emitters in Surface and Drinking Water Samples Collected in the Vicinity of Limerick Generating Station, 1990. Table D-II.1 Concentrations of Gross Beta in Air Particulate Samples Collected in the Vicinity of Limerick Generating Station, 1990, Table D-II.2 Concentrations of Gama Emitters in Air Particulate Samples Collected in the Vicinity of Limerick Generating Station, 1990 Table D-III.1 Concentrations of I-131 by Chemical Separation and Gama Emitters in Milk Samples Collected in the Vicinity of Limerick Generating Station, 1990. Table D-IV.1 Sumary of Collected Dates for Samples Collected in the Vicinity of Limerick Generating Station, 1990. FIGURES Figure 0-1 Weekly Gross Beta Concentrations in Air Particulate Samples Collected from LGS Locations 1151 and 11S2, 1990. Figure D-2 Weekly Gross Beta Concentrations in Air Particulate Samples Collected from LGS Locations 14S1 and 14S2,1990.
l I The following section contains data and figures illustrating the analyses performed oy the quality control laboratory. Duplicate samples were obtained from several locations and media and split between the primary laboratory, Teledyne Isotopes (TI) and the quality control laboratory, Clean Harbors (CH). Comparison of the results for most media were within expected ranges, though occasional differences were seen: Clean Harbors results of gross beta insoluble in surface and drinking water samples (Table D-I.2) were generally lower than the results from Teledyne Isotopes (Table C-l.2, Appendix C). The differences were probably due to differences in the laboratory's respective analytical procedures. CH ashes the sample prior to counting whereas TI does no ashing prior to counting. CH had some difficulty meeting the HDL values required for La-140 in water samples. Gross beta results for air particulate samples were similar for both laboratories (Figures D-1 and D-2). D-1
TABLE D 1.1 CONCENTRATIONS OF GROSS BETA SOLUBLE IN SURFACE AND DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STAflDN,1990 RESULTS IN UNITS OF PCI/ LITER t 2 $1GMA Col.(EcitDN 10F2 16C2 PERl00 JAN 90 3.7- t 0.6 1.9 2 0.5 FEB 90 2.8 0.5 1.8
- 0.5 MAR 90 7.0 t 0.8 1.6 0.5 APR 90 5.3 a 0.7 4 a1 KAY 90 1. 7 - t 0.5 2.0 1.0 JUN 90 3.7 t 0.8 2 1
)
JUL 90 $ a1 3 s2 AUG 90 7 s1 3 a2 SEP 90 6.0 a 1.0 5 t2 OCT 90 5.6 a 1.0 5 a2 NOV 90 6 a1 3 a2 DEC 90 5 a1 <1 MEAN 4.9 3.3 2.8 e 2.6 TABLE D l.2 CONCENTRAT!DNS OF Grot 3 BETA INSOLUBLE IN 9)RFACE AND DRINKING WATER SAMPLES COLLECTED IN TWE VICINITY OF LIMERICK GENERATING STATION, 1990 RESULTS IN UNITS OF PCI/ LITER t 2 SIGMA COLLECTION 10F2 16C2 PERICO JAN 90 0.14 t 0.08 0.19 t 0.07 FEB 90 0.40 t 0.10 0.32 0.09 MAR 90 0.19 0.08 0.35 0.09 APR 90 0.4 a 0.1 0.13 a 0.08 MAY 90 0.4 2 0.1 0.22 a 0.08 JUN 90 0.5 0.2 0.5 t 0.1 JUL 90 0.5 s 0.2 0.7
- 0.1 AUG 90 0.3 2 0.1 0.5 t 0.1 SEP 90 0.2 a 0.1 0.5 0.1 OCT 90 0.7
- 0.2 0.6 0.1 NOV 90 < 0.10 1.2 a 0.2
-DEC 90 0.6 s 0.2 1.4 s 0.2 MEAN 0.37 2 0.38 0.55 s 0.78 D-2
VABLE D-I.3 CONCENTRAilCWS OF CANtA EMITTERS IN SURFACE AND DRINCING WATER SAMPLES COLLECTED If THE VICINITY OF LIMERICat CENEkATINfa STAf!ON,1970 RESULTS IN UNITS OF PC1/ LITER 2 2 SIGXA
'j CS-137 BA-140 LA-140 RA-226 STATION COLLECTION ZN-65 72-95 NS-95 CS-134 MN-54 CO-58 FE-59 CD-60 . ........... ......... .
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<5 10F2 JAN 90 <3 <3 <4 <3 <3 < 30
<3 <8 <3 <6 <5 < 20 <7 <5 FEB 90 <3 <5 *4 <3 <3
<3 <8 <3 <6 < 30 <8 <5 MAR 90 <3 <7 <6 <4 <3 <3 APR 90 <3 <3 <8 <3 <4 <L <3 < 20 <6 75
<3 <7 <3 <6 <5 < 3G <9 <5 MAY 90 <3 <6 <6 <4 <3 <3 JUN 90 3 3 <3 <8 <3 43 <3 < 40 < 10 <5
<3 <7 <6 <4 <5 JUL 90 <3 <3 <9 <4 <3 <3 < 20 <7
<3 <8 <3 <6 <5 < 20 <8 <5 AUG 90 <3 <6 46 <4 <3 <3 SEP 90 <3 <3 <8 <3 <3 <3 < 60 < 20 5e5
< 10 <3 <7 <6 <5 < 10 <5 oCT 90 <3 <3 <4 <3 <3 < 33
<3 <9 <3 <6 <6 < 30 < to <5 NOV 90 <3 <6 <6 <4 <3 <3 DEC 90 <3 <3 <9 <3
<4 43 <3 < 29 <9 5a1
<8 <3 <6 <6 MEAN 3a0 <3
<4 <3 <3 < 20 <$ 9 5
<3 <8 <3 <6 <5 < 50 < 10 <5 16C2 JAN 90 <3 <6 <5 <3 <3
<3 <3 < 10 <3 <6 <3 < 20 <8 <5 FEa 90
<3 <6 <5 <4 <3 15 e 6 MAR 90 <3 <3 <8 <4 <3 <3 < 30 <9
<3 <8 <3 <6 <6 < 20 <6 11 : 5 MR M <3 <6 <5 <4 <3 <3 mat 90 <3 <3 <7 <3 3s3 <2 < 20 <6 12 s 6
<8 <3 <6 <5 <3 < 10 <5 JUN 90 <3 <3 <4 <3 <3 < 30
<3 <9 <3 <6 <6 < 30 <8 <5 JUL 90 <3 <6 <6 <4 <3 <3 AUG 90 <3 <3 <8 <3
<4 <3 <3 < 30 <9 825
<3 <8 <3 <6 <6 < 60 < 20 <5 SEP 90 <3 <7 <7 <5 <3 <3
<3 <3 < 10 <3 <3 <3 < 40 < 10 8s5 OCT 90 7 7 <6 <4 Nov 90 <3 <3 <9 <3 <3 <3 < 40 < 10 <5
<3 <6 <6 <4 DEC 90 <3 <3 <9
<& 320 <3 < 33 < 10 827
<* <9 <3 6z1 <6 MEAN <3 D-3
TABLE D 11.1 CONF,ENTRATIONS OF GROSS BETA IN AIR PARTICULATE SAMPLES ColeECTED IN THE VICINITY OF LlhERICK GENERATlhG STATION,1990 tESULTS IN UNITS OF E 3 PCl/CU. METER 4 2 SIGMA WEEK 1152 1482 01 18 t2 16 s2 02 15 s2 15 a2 03 9 s2 10 a2 04 15 s2 14 a2 05 11 22 11 12 06 14 s2 15 s2 07 14 s2 14 a2 08 13 a3 10 t2 09 17 a2 15 s2 10 19 s2 13 s2 11 9 a2 9 42 12 23 t2 11 e2 13 6 22 7 s2 14 7 t2 7 a2 15 12 a2 9 a2 16 16 e2 14 s2 17 16 a2 15 t2 18 9 t2 9 *2 19 10 s2 10 t2 20 7 a2 8 s2
- 21 5 a2 4 a2 22 9 a2 10 $2 23 10 t2 10 t2 24 9 s2 9 22 25 8 a2 10 t2 26 15 t2 15 a2 27 12 22 13 s2 28 (1) 8 a2 2Y 15 4 17 a3 30 7 t2 8 a2 31 13 a2 15 t2 32 18 a2 16 a2 33 16 *2 17 a2 M 8 *2 6 22 35 20 s2 18 a3 36 16 12 15 s2 37 17 *3 21 23 38 10 s2 11 22 39 16 s2 19 a2 40 13 22 15 s2 41 11 22 10 $2 42 13 t2 14 22 43 17 s2 16 a2 4 28 13 M s3 45 14 22 16 t2 46 14 22 19 e2 47 19 s2 19 a2 48 18 t2 17 s2 49 17 a2 18 t2 50 19 t2 17 s2 51 10 s2 14 a2 52 15 t2 16 t2 MEAN 14 9 13 29 (1) SEE PROGRAM EXCEPil0NS SECT 10Pf FOR EXPLANAfl0N D-4 !
s TABLE 0 II.2 CONCENTRAfl0NS of GANNA EMlf1ER$ IN AIR PARilCULATE SAMPLES COLLECTED IN THE VICINifY of LIMERICK GENFR% TING $1Afl0N, 1990 RESUL18 IN UN11$ Of E 3 PCl/CU. METER t 2 $1GMA
$1Afl0N COLLECTION CODE PERIOD BE 7 FE 59 CS 134 CS 137 1181 01/01 04/02 120 t 60 10 e 10 <2 <2 04/02 07/02 140 40 < 10 <2 <2 07/02 10/01 120 a 50 < 10 <2 <2 10/01 12/31 90 40 < 10 <2 <2 MEAN 118 t 41 10 t0 <2 <2 1482 01/01-04/02 140 40 < 10 <2 <2 04/02 07/02 120 40 < 10 <2 2 a2 07/02 10/01 100 t 50 < 10 <2 <2 10/01 12/31 120 a 40 < 10 <2 <2 MEAM 120 a 33 < 10 <2 2 t0 D-5
1 TABLE D-I61.1 C0kCENTRATIONS OF l-131 BY CHEMICAL SEPARATION AND GAfMA EMITTERS IN MILK SAMPLES COLLECTED IN TME VICINITY OF LIMERICK GENERATING STATION, 1990 RESULTS IN tmITS OF PCI/ LITER 2 2 SIGMA STATION COLLECTION CS-137 BA-140 LA-140 CE-141 DATE I-131 K-40 CS-134 CODE
<3
<3
< 10 .............
<4 ...........-.
<4 1981 01/09/90 < 0.1 1010 t 80 <5 <4 1430 e 90 <3 <3 < 20 04/10/90 < 0.1 < 20 <5 <4
< 0.2 860 2 80 <3 <3 07/04/i4 <3 <3 < 20 <4 <4 10/09/90 0.2 a 0.1 1280 t 90
< 18 <5 <4 MEAN 0.2 m 0.1 1145 a 515 <3 <3
<3 < to <4 <4
< 0.09 1100 s 90 <3 l 2181 01/09/90 <3 < 20 <4 <4 04/10/90 < 0.1 1530 m 90 <3 <4
<3 <3 < 20 <4 07/04/90 < 0.1 1240 2 90 5 s5 <4 1200 a 90 <3 <3 < 20 10/09/90 < 0.1
< 18 4 *1 <4 MEAN < 0.10 1268 t 369 <3 <3
<3 < 10 <3 <4 22F1 01/09/90 < 0.08 1090 s 90 <3 <4
<3 4 a3 < 20 <4 04/10/90 < 0.1 1800 a 100 <4 4 s4 1180 2 90 <3 <3 to 07/04/90 < 0.1 < 10 <4 <4
< 0.1 1180 2 90 <3 3 s3 10/09/90 i
<3~ 3 21 < 13 <4 4 e0 MEAN < 0.10 1313 656 l
0-6
l. TABLE D IV.1
SUMMARY
OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERAtlWG STAfl0N, 1990 SURFACE AM DRINKikG WATER COLLECTION 10F2 16C2 PERIOD JAN 90 12/27 01/29 12/26 01/29 FEB 90 01/29 02/26 01/29 02/26 MAR 90 02/26 03/26 02/26 03/26 APR 90 03/26+04/30 03/26 04/30 MAY 90 04/30 05/29 04/30 05/28 JUN 90 05/29 06/25 05/28 06/25 JUL 90 06/25 07/30 06/25 07/30 AUG 90 07/30 08/27 07/30 08/27 SEP 'M) 08/27 09/24 08/27-09/24 OCT .1 09/24 10/29 09/24-10/29 NOV 90 10/29 11/26 10/29 11/26 DEC 90 11/26 12/27 11/26 12/27 D-7
l TABLE 0 IV 1 SUMK4RY OF COLLECil0N DATES FOR SAMPLES COLLECTED IN THE VICINITY OF LIMERICK GENERATING STAfl0N,1990 Alt PARTICULATE WEEK 1152 14$2 01 01/01 01/08 01/01 01/08 02 01/D8 01/15 01/D8 01/15 03 01/15 01/22 01/15 01/22 04 01/22 01/29 01/22 01/29 05 01/29 02/05 01/29-02/05 06 02/05 02/12 02/05 02/12 07 02/12 02/19 02/12 02/19 08 02/19 02/26 02/19 02/26 09 02/26 03/05 02/26 03/05 10 03/05 03/12 03/05 03/12 11 03/12 03/19 03/12 03/19 12 03/19 03/26 03/19 03/26 13- 03/26 04/02 03/26 04/02 14 04/02 04/09 04/02 04/09 15 04/09 04/16 04/09 04/16 16 04/16 04/23 04/16 04/23 17 04/23 04/30 04/23 04/30 18 04/30 05/07 04/30 05/07 19 05/07 05/14 05/07 05/14 20 05/14 05/21 05/14 05/21 21 05/21 05/28 05/21 05/28 22 05/28 06/04 05/28 06/04 23 06/04 06/11 06/f* 06/11 24 06/11 06/18 06/*e 06/18 25 06/18 06/25 06/18 06/25 26 06/25 07/02 06/25 07/02 27 07/02 07/06 07/02 07/08 28 07/08 07/16 07/08 07/16 29 07/18 07/22- 07/16 07/22 30 - 07/22 07/30 07/22 07/30 31 07/30 08/06 07/30 08/06 32 08/06 08/13 08/06 06/13 33 08/13 08/20 08/13 08/20 34 08/20 08/27 08/20 08/27 35 08/27 09/03 08/30 09/03 36 09/03 09/11 09/J3 09/11 37 09/11 09/17 09/11 09/17 38 09/17 09/24 09/17 09/24 39 09/24 10/01 09/24 10/01 40 10/01 10/08 10/01 10/08 41 10/08 10/15 -10/08 10/15 42 10/15 10/22 10/15 10/22 43 10/22 10/29 10/22 10/29 44 10/29 11/05 10/29 11/05 45 11/05 11/12 11/05 11/12 46 11/12 11/19 11/12 11/19 47 11/19 11/26 11/19 11/26 48 11/26-12/03 11/26 12/03 49- 12/03 12/10 12/03 12/10 50 12/10 12/17 12/10 12/17 51 12/17-12/23 12/17 12/23 52 12/23 12/31' 12/23 12/31 D8
ml i FIGURE D-1 MEAN WEEKLY GROSS BETA CONCENTRATIONS IN AIR PARTICULATE SAMPLES COLLECTED FROM LGS LOCATIONS 11S1 AND 1182,1990 1000 __ r_ .,_~__"._._#_ e..-._,_ ,._-, - , -...t, _ _ _. r.. _~.q _ ' ~ .~ ; _~_ =. . . - . -_1. .. -
'- ~ ~
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-+----r--
*- + - -
j_- _-+. . . . .
- 4,.. - 11S2 (CH) f - . - _ . . . .
4 _ _4 4 4 _
! J.
$_-._-*_.._h.-...
t __t L _ +.L i i I-1 1
+ 11s1 (TO -
3 1 1._. J _ - ! : L . _ ! .. _ ! . u '
-i l ! f,
@ ! ; i i i '
+s ; i -
e 100 i e ! l 1
= r. = f--
~
E -4_=. . _ 7. _ _F =.i.=.. ._ F -4y=- =3;__._..._....._.~_......-..._
._.._p.__.9 ...
4-.F a=;=. ; - __=,._t.===,i=_4= ri.r +
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r, . , I l ih1 1 8 1 i ii t I h1 1i 6 t i II I II i t iiili i1 if f f I t iit iI I iiit i3 i t I i . i > > i i i i 1 i i , 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 WEEK NO. _ ' 'I . . I i
- z. . - . _ _ _ _
l FIGURE D-2 MEAN WEEKLY GROSS BETA CONCENTRATIONS IN AIR PARTICULATE SAMPLES COLLECTED FROM LGS LOCATIONS 1481 AND 1482,1990 1000_ . - _ + _ . . g 7 4__ z4 ...=74 g q -.-
-..Z i:~ T;Z 7 _ lz z::c T;Z1:i: I:' :,E. ^!Z_ i il -*- 14s2 (cH)
__.4 t _; .. p .
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__y. I L p_. .q q __ + p q_.]L _. 4j _ ;: , i
!] 1481 (TI) -
_ q_ , a [ m _1 __g 44 + j. ._ . i e
-6 * .l ! :
i i
. . T~ ~. T~ _ -
ZZ2tTZZi__211::1__jrZ:.{22.2Z{121.~.JZ-~.~~~ ZJK. . ,::Z$1:2 _ _,Til- _ 7 _ g_- g__ ,. _ ,_7_ O I_i]l2IIEllillTIEE[il _$[TZ(( -_ [ [IZ[.. . _1,I . 7 ['il . ._ L Ii [. A g _.._p.._J._q _aj_..p q_ _i_ .. - _.{ .-_ p _. } _- j . _ . . m
.. . a .. . . . . .
3 __, p - .. hl f_ _f _.l l f O I
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i 1 4i 4 I ii 1 t 1 4 j 1 ii i i if i f i1 1 I i iiiiI 4 i i i1 4i i t Ii d' i i f I t if Li' t i 1 I t i 1 1 i i i 1 i i 1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 WEEK NO. __ - d
l - SYNOPSIS OF ANALYTICAL PROCEDURES
l APPENDIX E: SYNOPSIS OF ANALYTICAL PROCEDURES The following section contains a description of the analytical laboratory procedures along with an explanation of the analytical calculation methods used by Teledyne Isotopes and Clean Harbors to obtain the sample activities, E-1
DETERMINATION OF GROSS BETA ACTIVITY IN WATER SAMPLES (TOTAL SUSPENDED AND DISSOLVED FRACTIONS) Teledyne Isotooes This describes the process used to measure the radioactivity of water samples without identifying the radioactive species present. No chemical separation technities are involved. For surface and drinking water sampins, one liter of the sample is filtered under vacuum through a 0.45 micron Millipore filter. This filter represents the insoluble portion of the sample. The filter is dried and mounted on a planchet. The filter which represents the soluble portion of the sample is evaporated on a hotplate, and the residue is tranferred and dried on another planchet. The planchets are counted for 50 minutes in a low-background gas flow proportional counter. Calculation of activity includes a self-absorption correction for counter efficiency based on the weight of residue on each planchet. Calculation of Samole Activity or of the MDL: S-p 2 S- + S Result " t
\ t3 t (pCl/l) (2. 22) (v) (E) (2.22) (v) (E)
Het Activity Counting Error where: N = total counts from sample (counts) t = counting time for sample (min) 8 - background rate of counter (cpm) 2.22 - dpm/pCi v - volume in liters E - efficiency of the counter 2 - multiple of counting error The MDL is defined as that value equal to the two sigma counting error of the resul t. Less than MDL is reported as the result when this value is greater than the measured result defined above. E-2
DETERMINATION OF GROSS BETA ACTIVITY IN WATER SAMPLES (TOTAL SUSPENDED AND DISSOLVED FRACTIONS) Clean Harbors This describes the process used to measure the overall radioactivity of water samples without identifying the radioactive species present. No chemical separation techniques are involved, for surface and drinking water samples, the samples are first filtered through membrane filters of 0.45 micron mean pore size. The filtrate is treated as above. The filter papers are transferred to a pre-weighed planchet, ignited using acetone and a flame, and then put into a muffle furnace for final ashing. The ash is then counted using a gas flow proportional counter. Calculation of Samole Activity or of the MDL: bb 2 b+b Resu1Q , T, Ts , 8 f, Ys (pcl/l) 2. 22 ( v) (E) 2. 22 ( v) (E) Net Activity- Counting Error where: C, = total gross sample counts (counts) T, = sample count time (min) Cb = total background count (counts) T3 = background count time (min) E = counting efficiency based on CS-137 or urantum for the weight of planchetted sample v = aliquot size in liters 2.22 - dpm per pCi 2 = multiple of counting error The MDL is defined as that value equal to the two sigma counting error of the resul t . Less than MDL is reported as the result when this value is greater than the not activity. E-3
I DETERMINATION OF TRITIUM IN WATER BY ELECTROLYTIC ENRICHMENT AND LIQUID SCINTILLATION COUNTING Teledyne Isotooes A 60 mi aliquot is distilled and collected in an Erlenmeyer flask. Approximately 55 g of the distillate is transferred into an electrolytic enrichment tell. One ml of 30% sodium hydroxide solution is added to the cell. The sample is electrolyzed in a 10 C cooling water bath until the volume is 3-4 mls. C02 is bubbled through the solution to neutralize the sodium hydroxide. The sample is transferred to a collecting bottle at 80 C aM weighed. It is then transferred into a liquid scintillation vial and 20 mis of cocktail is added. The sample is counted for 100 minutes in a liquid scintillation counter. Determination of the Enrichment Factor: (fin 1 v lume)( bserved dpm/ml) Enrichmen tFactor , (initial volume) (standard dpm/ml) Aliquots of a tritium standard solution have been enriched to different final volumes to provide a graph of the enrichment factor versus the final volume. Calculation of Samole Activity or of the MDL: E-p 2 E. + 0. Result " t
- h t3 t (pCi/l) 2. 22 ( v) (EF) (E) 2. 22 ( v) (EF) (E)
Net Activity Counting Error where: N - total counts from sample (counts) t - counting time for sample (min) 8 = background rate of counter (cpm) 2.22 - dpm/pci v - initial volume (in liters) before enrichment EF - enrichment factor .039 x VF + .603 where VF = Final Volume E - efficiency of the counter tritium 2 - multiples of counting error The MDL is defined as that value equal to the two sigma counting error of the resul t . Less than MDL is reported as the result when this value is greater than the net activity. E-4
.. . .. . . . - -- _. . - . -- . .- . ~ .-
s; , , l .DETERMINATIONJ0F TRITIUM BY GAS COUNTING-
-Teledyne-Isotones
. A 2;m1Laliquot:is oxidized and the hydrogen' gas is collected in an activated charcoal trap. The_ hydrogen-is then transferred into a previously evacuated-one: liter- proportionalc counter.= Non-tritiated
- methane is added and then counted.-Backgrounds hydrogen and standards are and ultra-high counted in purity Ethe same gas mixture as:the. samples.
. Cal'eulation of Samole Activity or of the MDL:
Result , . (3. 23 4 ) ( TU,) ( V,) (CPN' - BKG) (PCl/l). (CPN,) ( V,) ; Net Activity
', (3. 234) (TU,) ( V,) 2/oG 3 + oB2 (CPM,) ( V,)
Counting Error
.where:
'TU n - the' tritium units of th'e standard -
V-n
- volume of the standard used to calibrate' the efficiency.of the .
detector (psia) -! LV' - = volume of the sample lotded into the detector (psia) h the cpm: activity of the standard of' volume-V.-
'C 1 =
CPM . - ithe gross. activity of the sample of- volume LV and the detector background m BKG = the. background rate of-the detector (cpm)' 3.234- =' conversion factorLchanging TU to pCi/1
< L2' - multiple of the counting error.. .1 oG standard deviation of the gross activity of the sample and the !
, detector background,-in cpm standard' deviation of the background, in cpm
~
-e8- =
?The MDL .is defined as that value equal to the two sigma counting error of the-result. Less than MDL is reported as. the result when this = value is greater lthan'the net ~ activity.
[ 1 h I E-5 , i f.
l DETERMINATION OF GROSS BETA ACTIVITY IN AIR PARTICULATE SAMPLES Teledyne isotooes This describes the process used to measure the overall beta activity of air particulate filters without identifying the radioactive species present. No chemical separation techniques are involved. Each air particulate filter is placed directly on a 2-inch stainless steel planchet. The planchets are then counted for beta activity in a low-background gas flow proportional counter. Calculation of activity includes an empirical self absorption correction curve which allows for the change in effective counting efficiency caused by the residue mass. Self-absorption is not considered in the case of air pariculate filters because of the impracticality of accurately weighing the deposit and because the penetration depth of the deposit into the filter is unknown. Calculation of Samole Activity or of the MDL: Result
~P \
(pCl/m3) 2. 22 ( v) ( E) ( . 02 8 3 2 ) 2. 22 ( v) (E) ( . 02 83 2) Net Activity Counting Error where: N - total counts from sample (counts) t - counting time for sample (min) B - background rate of counter (cpm) 2.22 - dpm/pCi v - volume of sample analyzed in cubic feet calculated from the elapsed time meter E - efficiency of the counter 2 - multiple of counting error
.02832 - conversion to cubir meters The MOL is defined as that value equal to the two sigma counting error of the result. Less than MOL is reported as the result when this value is greater tnan the net activity.
E-6
l DETERMINATION OF GROSS BETA ACTIVITY IN AIR PARTICE. ATE SAMPLES Clean Harbors Each filter paper is placed in a 2-inch diameter planchet and counted using a
. gas flow proportional counter.
Calculation of Samole Activity and 2 Siama Error:
$_3 2 b+b Result ,
T o Ty ,
% Y, is (pCl/m )3 2. 22 (v) (E) ( . 02 83 2) 2. 22 ( v) (E) ( . 02 83 2)
Net Activity Counting Error ehere: C, = total gross sample counts (counts) T, - sample count time (min) C3 = total background count (counts) T3 = background count time (min) E = counting efficiency based on CS-137 v = sample volume in cubic feet calculated from the elapsed time meter readings and the flow rate
.02832 = conversion to cubic meters 2.22 - dpm/pci 2 = multiple of the counting error The MDL is defined as that value equal to the two sigma counting error of the result. Less than MOL is reported as the result when this value is greater than the net activity.
E-7
DETERMINATION OF 1-131 IN MILK AND WATER SAMPLES Teledyne Isotooes Two 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 hypochloride, reduced with hydroxylamine hydrochloride, and extracted into carbon tetrachloride as free iodine. It is then back-e.v.tracted as iodide into sodium bisulfite solution and is precipitated as-palladium iodide. The precipitate is weighed for chemical yield and is mounted on a nylon planchet for low level t' eta counting. The chemical yield is corrected by measuring the stable iodide content of the milk or water with a specific ion electrode. Calculation of the-Samole Activity and 2-Siama Error: _ E-p 2 E+EC Resul t , c \ t3 (pCl/l) (2. 22) (v) (E) (y) (exp4' ') , (2.22) (v) (E) (y) (exp4^ *) Net Activity- Counting Error where: N = total counts from sample (counts) t = counting time for sample (min) B' = background rate of counter (cpm) 2.22 - dpm/pci - y = volume of sample analyzed (liters) y = chemical yield of the amount of sample counted - 1 = is the radioactive decay constant for 1-131 At = is the elaspsed time between sample collection (or end of the sample collection) to the midcount time 2 = multiple of the counting error E - efficiency of the counter-for I-131, corrected for self absorption effects by the formula:
'*)
E = E" (( **P' exp'0 ' 0 0' **) where: E, - efficiency of the counter determined from an 1-131 standard mount M = mass-of PdI2on-the sample mount (mg) M, =- mass of.Pdl aon the standard mount (mg) The MDL is defined as that value equal to the two sigma counting error of the result. Less than MOL is reported as the result when this value is greater than the net activity. E8
DETERMINATION OF 1-131 IN MILK AND WATER SAMPLES Clean Harbors Analysis for determination of I-131 activity is performed by initially adding iodide carrier to an aliquot of sample. The iodide is concentrated by stirring with ion exchange resin, and then purified by extraction into chloroform and back extraction. The iodide is precipitated as palladium iodide for counting in a low background beta counter or a beta-gamma coincidence counter. Salculation of the Samole Activity and 2 Siama Error: c, C C cb 2 _+ a Result , fY b , h Ys Yb (PCl/l) (2. 22) (v) (E) (y) (exp*A) (2. 22) (v) (E) (y) (exp-AAC) Net Activity Counting Error where: C = total gross sample counts (counts) T,, - sample count time (min) C3 = total background count time (counts) T3 = background count time (min) E = counting efficiency for I-131 v - aliquot analyzed (liters) y - iodine yield 1 = is the radioactive decay constant for I-131 At = is the elaspsed time between sample collection (or end of the sample collection) to the midcount time 2.22 = dpm/pci 2 = multiple of counting error The MDL is defined as that value equal to the two sigma counting error of the resul t. Less than MDL is reported as the result when this value is greater than the net activity. E-9
l DETERMINATION OF GAMMA EMITTING RADI0IS0 TOPES Teledyne Isotooes Gamma emitting radioisotopes are determined with the use of a lithium drifted germanium (GeLi) and high purity germanium detectors with high resolution spectrometry in specific media; such as, air particulate filters, charcoal filters, milk and water. 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 2-inch filter paper source geometries. Samples are counted on large (>55 cc volume) Geli detectors connected to Nuclear Data 6620 data acquisition and computation systems. All resultant spectra are stored on magnetic tape, Th' analysis of each sample consists of calculating the specific activities of all detected radionuclides or the detection limits from a standard list of nuclides. The Gell systems are calibrated for each standard geometry using certified radionuclide standards traceable to the National Bureau of Standards. Calculation of the Samole Activity and 2 Siama Error: Resul t , N tp ~B tp pd (2.22) (v) ( t) (Egf)(BIgf ) (exp'D) ( vol - mass) Net Activity 2/Ngp + Bgp (2. 22) (v) ( c) (Ec3 ) (big 3 ) (exp'*'n'*) Courting Error where: N) cj
- area, in counts, of a special region containing a gamma emission of the nuclide of interest NOTE: If the detector exhibits a peak in this region when counting a blank (i.e., from natural background (B)(t) is subtracted from N before using t:'.e tbove equation. B is the count rate of the blank, cpm, in the background peak.
B) cj
- background counts in the region of interest, calculated by E-10
fitting a straight line across the region connecting the two adjacent region. 2 = multiple of counting error 2.22 = dpm/pCi y = volume or mass of sample analyzed t = counting interval of sample, niinutes E = efficiency of counter at the energy region of interest Bk33 cj) - branching intensity of the nuclide at the gamma emission energy under consideration 1 = is the radioactive decay constant for nuclide (j) d33 - is the elaspsed time between sample collection (or end of the sample collection) to the midcount time The MDL is defined as that value equal to the two sigma counting error of the result. Less than MDL is reported as the result when this value is greater than the neasured result defined above. E-11
l l DETERMINATION OF GAMMA EMITTING RAD 10lS0 TOPE'>. Clean Harbors The procedure for detection of gamma emitting radioisotopes generates high resolution gamma spectra which are used for quantitative determination and identification. Standard geometries have been established to maximize efficiency, for all sample types; primarily air particulate filters, water, vegetation, soil, sediment, and fish. A description of the analytical methods, bebinning with air particulates used for each sample type is presented, followed by the general formula used for calculation of the sample activities. Air particulate samples from each location are ) laced in a petri dish and counted on GeLi detectors connected to a multiciannel analyzer and micro computer. Spectra are stored first on floppy disk, then on magnetic tape. Watec and milk samples are placed into the anoropriate sized container, depending on the volume of sample available. The r, referred volume is 3.5 liters. The samples are counted and spectra are stored as with air particulate samples. Calculation of the Samole Activity and 2 Siama Error: Resulc , (P,j, - B,j3 ) (M) (E,j,) (G) ( . 06 ) pd ( v) ( c) (exp**m) ( vol - mass) Net Activity 1 2/ ( P,y3 + B,j3 ) (M) (E,j3 ) '(G) ( . 06 ) ( v) ( c) (exp"* V) Counting Error where: P cj3 = number of gross counts in peak char.nels for naclide (j) S cj3 = number of background counts in peak channels for nuclide (j) M = relative Geli efficiency (Geli lal) E cj3 = efficiency of counter at the energy region of interest G = geometry factor for deviation from 1 liter in volume
.06 = conversion to minutes 2 = multiple of counting error E-12
i y - volume or mass of sample analyzed t - counting interval of sample (kiloseconds) A - is the radioactive decay constant for nuclide (j) Akg - is the elaspsed time between sample collection (or end cf the sample collection) to the midcount time The MDL is defined as that value equal to the two sigma counting error of the result. Less than HDL is reported as the result when this value is greater than the measured result defined above. E-13
ENVIRONMENTAL DOSIMETRY Teledyne isotones i Teledyne Isotopes dosimeters are rectangular teflon wafers impregnated with } 25% CaSO4:Dy phosphor. They are annealed in a hot air oven prior to use and are inserted into black polyethylene pouches. The filled pouches are labelled and placed in rectangular holders which contain copper shielding to filter out low energy radiation. After ex;e ure in the environment, four separate areas of the dosimeter are read in a Tei:::',"ne isotopes model 8300 TLD reader. The dosimeter is then re irradiated by a standardized Cs-137 source .nd the four areas are read again. Calculation of the environmental exposure is performed by computer, using the re-irradiation readings to determine the sensitivity of each area of the dosimeter. The reading of control dosimeters are subtracted to allow for transit dose and system background. A. For any given area of the dosimeter, the dose mR is calculated by the formula: Dose = (R) ( "') (a vcon t:rol) where: 3 R - initial readirg of the area RR = second reading of the area (after re-irradiation) _ redose = re-irradiation dose in mR avcontrol - average of control values calculated as explained below. If no controls are used, avcontrol O and gross exposures result . B. Each area of each control is calculated by the formula: cdose = (cr) ( credose y crr where: cdose - control area dose in inR cr = initial reading of the control area crr - second reading of the control area (after re irradation) credose = re-irradiation dose of the control dosimeter in mR E-14
The average of control values is 'k.'n calculated from all four areas of all controls by the formula: 4#
=
[cdose avcontrol 4, where: N = total number of control dosimeters C. The average and standard deviation of the area readings for each dosimeter are calculated by standard methods. D. Using the criteria that if one standard deviation is greater than 10% of the average of the four readings and that if the value of one area is outside the range of 3 standard deviations of the average of the other three areas, th.. that area will be eliminated and the results will be based en the remaining areas. E-15
-m -ee .. - e e
. -i .-si i --ise ii emi- - - - -min- --- - .i mm--munimm-i.---eii mus--i ---w-e--i i
QUALITY CONTROL EPA CROSSCHECK PROGRAM
APPENDIX F: QUALITY CONTROL PROGRAM TI and CH participates in the EPA Radiological Inter-laboratory Comparison (cross check) Program. This participation includes a number of analyses on various sample media as found in the Limerick Generating Station REMP. As a result of this participation, an objective measurement of analytical precision and accuracy as well as, a bits estimation of the results are obtained. Examination of the data shows that the vast majority were within the EPA control limits. Each case of exceeding the control limits was investigated. There was no evidence to suggest systematic errors. For CH the results from participation in the EPA program are the basis for continued certification by the Commonwealth of Massachusetts in radiological analysis. The results of TI's and CH's participation in the EPA cross check program can be found in Tables F-1 and F 2, respectively, p F-1
TABLE F-1 INTER-LABORATORY COMPARISONS - 1990 TELEDYNE ISOTOPES L tired Deviation Att Participants Coltection serpence Tet @.2 steen e 2 s.d. Isotopes Reesdts(b) Granti Avg. Knoan Date No. 8tecfia Nuclide W A Results(e)
-0.46 -0.35 25.14 e 14.44 25.00 2 8.66 24.00 a 5.19 01/12/90 535 Water Sr-89 60.51 -0.38 19.66 7.38 Sr-90 20.00 a 2.60 19.67 a 7.5 300.00 -0.05 -0.26 4839.04 a 1858.46 n-3 4976.00 862.% 4900.00 t 02/23/90 536 Water 15.00 e 10.38 -0.11 0.00 15.31 e 4.%
537 Water co-60 15.00 m 8.66 138.93 e 19.20
'J2/09/90 131.33 e 27.21 -0.94 -0.95 Zn-65 139.00 s 24.25 133.60 e 42066 24.25 113.67 a 12.12 (c) -2.47 -3.13 au-106 139.00 e -0.92 17.00 2 4.28 18.00 e 8.66 15.33 2 6.93 -0.58 I Cs-134 0.20 0.46 18.76 s 4.80 18.00 a 8.66 19.33 e 9.63 Cs-137 -1.61 -1.98 72.49 e 12.42 74.00 a 12.12 66.00 a 10.38 8e-133 0.03 0.46 6.25 e 2.62 Gross Atphs 5.0 e 8.66 6.33 s 1.74 03/30/90 540 Air Fiiter 1.74 -0.18 0.23 32.19 a 7.36 Grose Sete 31.0
- 8.66 31.67 s 2.72 1.74 -0.41 -0.77 9.6'8 a sr-90 10.0 a 2.60 9.33 e 4.05 10.67 a 3.45 -0.31 0.23 11.% e Cs-137 10.0
- 8.66 8.67 -0.14 -0.80 81.18 2 42.6 Gross Alphe 90.0 e 39.83 79.33 e 12.78 04/17/90 542 Water 4.59 1.48 0.46 49.06 e Gross sets 52.0 e 8.66 53.33 m 3.45 -0.71 0.23 12.71 a 50.18 sr-89 10.0 s 8.66 10.67 e 1.98 9.67 e 1. 74 0.20 -0.38 9.50 e sr-90 10.0 a 2.60 14.48. e 3.%
12.67 z 4.59 -0.61 -0.81 Cs-134 15.0 a 8.66 15.80 a 3.76 8.66 16.33 a 3.45 0.19 0.46 Cs-137 15.0 a 0.53 0.58 23.14 e 10.20 sr-89 23.0 a 8.66 24.67 m 4.59 04/27/90 543 Mitk 0.00 0.58 0.35 22.33 a 6.76 Sr-90 23.0 a 8.66 24.00 s 16.26 9.63 -1.53 -1.62 9E.49 m I-131 99.0 a 17.32 89.67 e 27.33 7.% 0.93 1.15 24.65 e 6.06 Cs-137 24.0 s 8.66 1548.38 e 234.66 135.10 1483.33 m 225.18 -1.44 -1.48 C 1550.0
-0.34 -0.12 7.64 s 4.52 7.0 s 8.66 6.67 m 1.74 05/04/90 544 Water sr-89 -0.12 -0.12 T.02 2 3.42 7.0 2 8.66 6.67 e 1.74 Sr-90 F-2 1
TABLE F-1 INTER-LABORATORY COMPARISONS - 1990 TELEDYNE ISOTOPES Teta,x L tired Devistiers Att Participarits Collecticri Secpmce Grard Avg. Kruaur feeurs e 2 s.d. CPA Results(a) Isotges Ressats(b) Sete so. femfia nuclide 0.07 0.46 25.12 s 5.38 24.0 e 8.66 25.33 e 7.56 24.60 06/08/90 545 Water co-60 9.18 -0.06 0.081 49.18 a 148.0 t 25.98 148.67 a 201.0 e 34.02 Zn-65 61.98 -0.41 -1.15 210.0 s 36.37 196.00 e 4.20 au-106 8.67 0.14 -0.12 23.26 s 24.0 s 8.66 23.67 e 26.21 s 5.22 cs-1% 6.24 -0.54 -0.12 25.0 e 8.66 24.67 m %.37a 16.32 cs-137 18.24 -0.58 -1.04 99.0 e 17.32 93.00 s so-133
-0.32 -0.16 2966.81 a 571.28 2733.0 m 620.07 2900. 300.00 06/22/90 546 Water s-3
-1.Z3 -0.87 40.26 r 8.20 39.0 m 10.39 36.00 m 9.00 548 Water g-131 08/10/90 6.24 3.00 0.34 0.35 10.01 s 10.0 t 8.66 11.00 a 10.91 a 4.50 09/21/90 551 Water Gross At@ e 11.00 a 3.00 0.03 0.35 Gross sete 10.0 e 8.66 1.31 2.08 12.21 e 5.14 Gross Alpha 10.0 t 8.66 16.00 e 3.00 (d) 64.66 e 13.54 08/31/90 552 Air Fitter 63.33 a 4.59 -0.46 0.46 Gross Bets 62.0 a 8.66 -0.69 19.45 a 5.07 8.66 18.00 a 3.00 -0.50 sr-90 20.0 a -1.51 -0.58 22.70 e 7.82 20.0 m 8.66 18.33 2 9.63 cs-137 0.16 0.35 20.53 a 5.06 20.0 8.66 21.00 a 3.00 19.78 553 Water co-60 -0.18 0.00 116.25 e 10/15/90 115.0 t 20.78 115.00 e 34.59 30.66 In-65 0.19 -1.04 140.39 s 151.0 m 25.98 142.00 a 25.98 4.18 au-106 0.00 -0.31 -0.35 11.89 e 12.0 a 8.66 11.00 e 13.11 a 4.%
cs-1% 7.56 1.12 1.50 12.0 2 8.66 16.33 s 107.73 a 18.44 cs-137 15.% (d) -2.06 -2.41 110.0 e 19.05 94.67 m 8e-133 0.02 -0.17 7125.08 2 1343.86 7203.0 a 1247.08 7133.33 m 754.98 554 Water M-3 10/19/90
-0.43 -0.46 9.89
- 5.44 10.0 2 8.66 8.67 s 1.74 3.M 09/1*/90 555 Water sr-89 3.00 -0.11 0.00 9.30 t Sr-90 9.0 s 8.66 9.0 s
-1.57 -2.42 13.53 e 8.56 16.0 e 8.66 9.0 t 7.95 (d) 17.57 e 6.50 09/28/90 556 Milk sr-89 1.74 -0.78 -1.62 f 20.0 s 8.66 15.33 . 58.88 2 9.%
sr-90 54.67 2 4.59 -1.21 -0.% 1-131 58.0 2 10.39 F-3
TABLE F-1 INTER-LABORATORY COMPARISONS - 1990 TELEDYNE ISOTOPES maruustired Gewistian Att ParticiparAs Tets^ge Cetlection Segamce Grand Avg. Krwun mean a 2 s.d. seertia suctide EPA Ecoutts(a) Isotores tesults(tel Oste %.
-1.57 -2.42 13.53 a 8.56 Sr-89 16.0 e 6.66 0.0 m T.95 (d) 6.50 09/28/90 556 milk 15.33 m 1.74 -0.78 -1.62 17.57 s Sr-90 20.0 e 8.4 58.88 a 9.34
% .67 2 4.59 -1.21 -0.%
1-131 58.r. n 13.39 21.47 e 4.70 23.00 a 3.19 0.53 1.04 Cs-137 20.0 e 8.66 1713.52 e 249.38 1710.00 a 1 M .53 -0.07 0.20 K 1700.C a 147 ~2
-0.39 -0.54 60.64 a 32.10 a2.00 2 27.80 57.00 m 3.00 10/30/90 559 Water Gross Airbe 0.65 -0.12 50.78 e 12.64 53.0 t 8.66 51.00 a 6.93 Gross dets 0.06 -0.35 18.84 a 10.24 20.0 s 8.66 19.C0 e 10.83 Sr-89 1. 74 -0.04 -0.23 14.44 s 4 04 Sr-93 15.0
- 8.66 14.33 e 2.88 9.00 a 0.00 0.52 0.69 T.49 a Cs-134 7.0 e 8.66 5.94 : 3.10 7.67 1 3.45 0.60 0.92 Ls-137 5.0 s 8.66 1.15 1.39 5.69 a 3.58 5.00 t 8.66 9.00 e 3.00 01/25/91 560 water Gross Alpha 0.00 0.24 0.69 6.30 e 3.02 Gross seta 5.00 e 8.66 T.00
- Footnotes:
(a) EPA Resulta - Expected laboratory precision (3 slyne). Units are pCl/t for water and citk except K is in ug/t. (b) Tetedyne Results - Average a 3 slynn. m its are pCi/t for water and milk except K is in ug/t. Units are total pCi for air perticulate fitters. Three aliquots of the sample were comted on three seperste detectors. The results of att three were simiter. (c) No e;merent cause for the low results were fomd. Ruthenium-106 will be obtained from the EPA to further irwestigate the metter and future mixed gesume in water EPA Tre calibration curve fit is good (0.997).
!ntercouperisons will be sonitored to identify ccntinuing trerds.
(d) An investigation is being cond;cted and the results will Se avaltable shortly. t l e-< l
Table F-2 EPA Intercomparison Samples Clean Harbors Analytical Services 1991 The EPA section of the quarterly QC report is cumulative for the year. The table submitted with the last report of the year should be complete for results received and will be updated finally for results received later. Results are presented as follows: it:.M 17 (xx) 16 H CHAS Avg. 17 1.0) EPA Known 17 1.5,2.6,3) EPA Gr. Avg. 16 yy,zz) (xx) - This value will be given when the precision (1 SD) of the CHAS measurement due to counting statistics is significantly different from the expected EPA precision. This should cause different spread in our results. (1.0) - Next to CHAS Avg. This is the actual SD of the CHAS data (i.e., 1 SD, 1 determination). This means that an additional single measurement should yield a result within 1 SD of the mean 66% of the time. (1.5,2.6,3) - Next to EPA Known - The first number is the anticipated 1 SD as decreed by the EPA. This value can be compared to the figure above to see that the CHAS precision is as expected. The second number is 3 SD of the mean which is the EPA Control Limit. If the observed mean (i.e. CHAS Avg.) differs from the known by more than this value the result is unacceptable according to the EPA criteria. The third number is the deviation from the EPA's known value . (yy,zz) - The first number is the observed 1 SD, 1 determination for all labs whose results were not deemed outliers. A significant difference between this value and the one above it indicates that the anticipated precision is not being attained by the majority of the laboratories. The second number is the normalized value for the grand average. F-5
Table F-2 EPA Intercomparison Samples clean Harbors Analytical Services 1991 Gross Alpha and Beta Samole No. Samole Date Samole Tvoe Gross A].qb_q Gross Beta 9001271 01/26/90 Water (a) 14 13 13 14 H H Lab Avg. 14 1) 14 1) EPA Known 12 5,9,1) 12 5,9,1) EPA Gr. Avg. 12 3.1) 13 2,0) 9004010 03/30/90 Air Filter (b) 26 (Note 1) 26 21 Lab Avg. 26 0) EPA Known 31 5,9,-2) EPA Gr. Avg. 324,-2) 9004222 04/17/90 Water (a) 92 86 B1 Lab Avg. 88 3) EPA Known 90 23,40,0) EPA Gr. Avg. 81 21,1) 9004223 04/17/90 Water (a) 42 (Note 2) 44 il Lab Avg. 43(1) EPA Known 52(5,9,-3) EPA Gr. Avg. 49(6,-2) Note: (a) pCi/1 (b) pCi/ filter F-6
Table F-2 EPA Intercomparison Samples Clean Harbors Analytical Services 1991 Gross Alpha and Beta Samole No. Samole Date Samole Tvoe Gross Aloha Gross Beta 9005157 05/11/90 Water (a) 14 16 14 15 18 15 Lab Avg. 152) 151) EPA Known 22 6,10,-2) 15 5,9,0) EPA Gr. Avg. 17 6,0) 16 4,0) 9009022 08/31/90 Air Filter (b) 1710 (Note 1) 1790 (Note 3) 183.Q Lab Avg. 1793(85) EPA Known 62(5,9,600) EPA Gr. Avg. 65(7,599) 9009210 09/21/90 Water (a) 11 15 11 14 A 15 Lab Avg. 10 2) 15 1) EPA Known 10 5,9,0) 10 5,9,2) EPA Gr. Avg. 10 3,0) 11 2,1) 9011004 10/30/90 Water (a) 58 42 59 43 (Note 4) 11 10 Lab Avg. 60 3) 42(2) EPA Known 62 16,28,0) 53(5,9,-4) EPA Gr. Avg. 6116,0) 51(6,-3) Note: (a) pCi/1 (b) pCi/ filter F-7 1 l
h Table F-2 EPA Intercomparison Samples Clean Harbors Analytical Servicer 1991 Gama lamole No. Samole Date lyng 9002103 02/09/90 Water (Note 5) Nuclide (pCi/1) 15 Nuclide (pCi/1) 8 Cs 134 15 Cs-137 13 11 H Lab Avg. 16 1) Lab Avg. 11(3) EPA Known 18 5,9,-1) FPA Known 18(5,9,-2) EPA Gr. Avg. 17 2,0) EPA Gr. Avg. 19(2,-3) Nuclide (pCi/1) 52 Nuclide (pCi/1) 15 fla-ul 54 fa-1Q 15 E H Lab Avg. 53 1) Lab Avg. 14 1) EPA Known 74 7,12,-5) EPA Known 15 5,9,0) EPA Gr. Avg. 72 6, 5) EPA Gr. Avg. 15 2,0) Nuclide (pCi/1) 129 Nuclide (pCi/1) 98 In-fil 129 Ru-106 165 111 HH
~
Lab Avg. 132(5) Lab Avg. 13034) EPA Known 139(14,24,1) EPA Known 139 14,24,-1) EPA Gr. Avg. 139(10,-1) EPA Gr. Avg. 134 14,0) 9004010 03/30/90 Air Filter Nuclide (pCi/ filter) 8 Cs-137 12 H Lab Avg. 10(2) EPA Known 10(5,9,0) EPA Gr. Avg. 12(2,0) F-8
Table F-2 EPA Intercomparison Samples clean Harbors Analytical Services 1991 Gamma S3 mole No. Samole Date Iygg 9004223 04/17/90 Water Nuclide(pCi/1) 17 Nuclide (pCi/1) B Cs-134 17 Cs-137 13 H 12 Lab Avg. 16 1) Lab Avg. 11 1) EPA Knn6:n 15 5,9,1) EPA Known 15 5,9, 1) EPA Gr. Avg. 14 2,1) EPA Gr. Avg. 16 2,-2) 9004287 04/27/90 Milk Nuclide (pCi/i) 14 Nuclide (mg/l) 1440 Cs-137 18 K 1610 12 151Q Lab Avg. 17 3) Lab Avg. 1530 85) EPA Known 24 5,9,-2) EPA Known 1550 80.140,0) EPA Gr. Avg. 25 3,-3) EPA Gr. Avg. 1550 120,0) 9006089 06/08/90 Water Nuclide(pCi/1) 23 Nuclide (pCi/1) 23 Cs-134 23 Cs-137 22 3 H Lab Avg. 24(1) Lab Avg. 23 2) EPA Known 24(5,9,0) EPA Known 25 5,9,-1) EPA Gr. Avg. 23(2,0) EPA Gr. Avg. 26 3, 1) Nuclide (pCi/1) 90 Huclide (pci/1) 23 Ba-133 90 fa-12 26 aft U Lab Avg. 92(3) Lab Avg. 24(2) EPA Known 99(10,17,-1) EPA Known 24(5,9,0) EPA Gr. Avg. 96(8,-1) EPA Gr. Avg. 25(3,0) F-9
l Table F-2 EPA Intercomparison Samples C1can Harbors Analytical Services 1991 Gama Samole No. Samole Date lyng Nuclide (pCi/1) 145 Nuclide (pCi/1) 184 ZD .fi 173 Ru 106 219 116 231 Lab Avg. 15814) Lab Avg. 211(24) EPA Known 14815,26,1) EPA Known 210(21,36,0) EPA Gr. Avg. 149 12,1) EPA Gr. Avg. 201(17,1) 9009022 08/31/90 Air Filter (Note 6) Nuclide (pCi/ filter) 36 Cs-137 43 4.2 Lab Avg. 40(4) EPA Known 20(5.9,7) EPA Gr. Avg. 23(4,6) 9010003 69/28/90 Milk Nuclide(pCi/1) 20 Nuclide (mg/1) 1691 Cs-134 23 K 1730 11 1627 Lab Avg. 20 3) Lab Avg. 168(30) EPA Known 20 5,9,0) EPA Known 1700(85,147.0) EPA Gr. Avg. 21 2,-1) EPA Gr. Avg 1714'125,0) 9010094 10/05/90 Water (Note 7) Nuclide (pCi/1) 11 Nuclide (pCi/1) 12 Cs 134 13 Cs-137 10 B I Lab Avg. 11 3) Lab Avg. 10(1) EPA Known 12 5,9,0) EPA Known 12(5,9,-1) EPA Gr. Avg. 122,0) EPA Gr. Avg. 13(2,-1) F-10
Table F-2 EPA Intercomparison Samples Clean Harbors Analytical Services 1991 Gama Samole No. Samole Date lyn Nuclide (pC1/1) 90 Nuclide (pCi/1) 19 Ea-133 84 fa.iQ 16 22 H Lab Avg. 87(4) Lab Avg. 19 3) EPA Known 110(11,19,-3) EPA Known 20 5,9,0) EPA Gr. Avg. 108(9,-3) EPA Gr. Avg. 21 3,-1) Nuclide(pC1/1) 102 Nuclide (pCi/1) 115 7a-51 103 Ru-106 159 101 112 Lab Avg. 103 1) Lab Avg. 129(26) EPA Known 115 15,21,-2) EPA Known 151(15,26,-3) EPA Gr. Avg. 116 10,-2) EPA Gr. Avg. 140(15,-1) 9011003 10/30/90 Water Nuclide (pCi/1) 9 Nuclide (pCi/1) 8 Cs-134 7 Cs-137 7 2 5 Lab Avg. 8(1) Lab Avg. 7 1) EPA Known 7(5,9,0) EPA Known 5 5,9,1) EPA Gr. Avg. 7(1,0) EPA Gr. Avg 6 2,0) F-11
Table F-2 EPA Intercomparison Samples clean Harbors Analytical Services 1991 Tritium Samole No. Samole date Samole Tvoe Tritium foci /1) 9002221 02/23/90 Water 6559 (Note 8) 6646 5141 Lab Avg. 6582(56) EPA Known 4976(498,863,6) EPA Gr. Avg. 4916(641,6) 9006215 06/22/90 Water 2579 2647 15_41 Lab Avg. 2589(54) EPA Known 2933(358,620,-2) EPA Gr. Avg. 2967(286,-2) 9010237 10/19/90 Water 7362 7245 110.6 Lab Avg. 7305(59) EPA Known 7203(720,1247,0) EPA Gr. Avg. 7125(672,0) F-12
Table F-2 EPA Intercomparison Samples clean Harbors Analytical Services 1991 Icdine-131 Samole No. Samole date 1,rmole Tvoe lodine-131(DCi/11 9004287 04/27/90 /,
' ilk 81 81 (Note 9) 11 Lab Avg. 78(5)
EPA Known 99(10.17,-4) EPA Gr. Avg. 99(8,-4) 9008112 08/10/90 Water 36 38 11 Lab Avg. 36(2) EPA Known 39(6,10,1) EPA Gr. Avg. 40(4,-1) 9010003 09/28/90 Milk 53 52 ifi Lab Avg. 50(4) EPA Known 58(6.10,-2) EPA Gr. Avg. 59(5,-2) F-13
l Table F-2 EPA Intercomparison Samples Clean Harbors Analytical Services 1991 NOTES
- 1. CHAS did not anal /ze for gross alpha because it is not an analysis performed at this time.
- 2. Beta was outside acceptable limits for 9004223. The sample was rerun and recalculated. The new results fell within acceptance limits.
- 3. Beta was outside acceptable limits for 9009022. Incorrect units were used when calculating the results. When recalculated with the proper units, an overall average of 50.3 pCi/ filter was obtained. This result is slightly outside acceptable limits for no known reason.
- 4. Beta was out side acceatable limits for 9011004. Raw data and calculations were chec(ed and no errors were found.
- 5. Ba 133 was outside acceptable limits for 9002103.
- 6. Cs-137 was outside acceptable limits for 9009022.
- 7. Ba 133 was outside acceptable limits for 9010094.
- 8. Tritium was outside acceptable limits for 9002221. Calculations were verified and no discrepancies were found. New standards were made and the sample was recalculated with new efficiencies. The new results fell within acceptable limits.
- 9. Iodine-131 was outside acceptable limits for 9004287. Raw data and calculations were checked and no problems were detected. The results obteined for Iodine 131 by Geli analysis were in agreement with the results obtained by Iodine analysis.
F-14
LGS SURVEY
APPENDIX G: LGS SURVEYS A Land Use Census around the Limerick Generating Station (LGS) was conducted by RMC Environmental Services for Philadelphia Electric Company (PECo) to comply with section 3/4.12.2 of the Plant's Technical Specifications. The survey was conducted during the May to September 1990 growing season. The results of this survey are sumarized in Table G-1. There were no changes required to the LGS REMP as a result of this survey. G-1
3 913CG ZOCO Table G-1 Location of Nearest Residence, Garden and Milk Farm within a Five Mile Radius of Limerick Generating ation,1990 (DistanceinMiles) Sector Residence Garden") Milk Farm N 0.5 1.5 4.7 NNE 0.5 1.0 - NE 0.6 1.6 - ENE 0.6 1.5 - E 0.5 1.1 - ESE 0.6 0.6 1. l(2) SE 1.0 1.2 4.6 SSE 1.0 1.1 4.5 S 0.8 1.2 2.3 SSW 1.0 1.1 1.8 SW 0.6 0.9 3.0 WSW 0.8 0.8 1.4 W 0.6 1.7 - WNW 0.7 0.1 - NW 0.7 1.6 4.7(2) NNW 0.9 1.5 - (1) Garden greater than 500 square feet (2) Goat Milk G-2
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