ML20129F583

Annual Radiological Environ Operating Rept 20,1984. Issued in May 1985

ML20129F583
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Site:	Peach Bottom
Issue date:	12/31/1984
From:	RADIATION MANAGEMENT CORP. (RMC), TELEDYNE ISOTOPES
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{{#Wiki_filter:a _e :. ,y. ~ 3 EAC 30-~~~0 V 1A~~0 V C 30W E1 S-~A~~ O \\ ANNUAL RADIOLOGICAL. ENVIRONMENTAL OPERATING REPORT No.20

JANUARY 1,1984 THROUGH-DECEMBER 31,1984 PREPARED FOR PHILADELPHIA ELECTRIC COMPANY w

TELEDYNE ISOTOPES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675 RADIATION MANAGEMENT CORPORAll0N Focks, Lock Road, R D 1 Pottstown. PA 19464 MAY 1985 hh k O 77 R PDR .a

pg ,f, a i i ^ PEACH BOTTOM ~ ATOMIC POWER STATION ~ Annual Radiological Environmental. Operating Report-N0. 20 January 1, 1984 Through December 31, 1984 Prepared for PHILADELPHIA ELECTRIC COMPANY By TELEDYNE IS0 TOPES 50 Van Buren Avenue Westwood, New Jersey '07645 an'd Radiation Management Corporation Fricks Lock Road, R.D. 1 Pottstown, PA 19464 May 1985

--TABLE OF CONTENTS-PAGE ~ -I.

SUMMARY

AND CONCLUSIONS 1 II. INTRODUCTION A. Program Objectives 3 B. Program Implementation. 4 III. TELEDYNE PROGRAM DESCRIPTION A.- Sample Collection and'TLD Placement 5 Procedures B. Program Changes 7 C. Analyses Performed 7 D. Exceptions to the Program 7 IV. RESULTS AND DISCUSSION '^.. A. Data-Interpretation and Statistical 9 Analysis B. Discussion of Results 10 1. Surface Water 10 2. - Discharge. Water 11-3. Well Water 12 4. Precipitation 13 5. Air Particulates 13 6. Air Iodine 14 7. Milk 14 8. Soil 15 9. Ambient Gamma Radiation 16 V. TABLES VI. . FIGURES VII. SYN 0PSIS OF ANALYTICAL PROCEDURES VIII. EPA INTERLABORATORY COMPARIS0N PROGRAM i

LIST OF TABLES TABLES I. -- TI Station Designation and Sample Identification System-for Peach Bottom Atomic Power Station REMP,1984 - II. TI Sample Collection and Analysis Program ~ III. Radiological Environmental Monitoring Program Summary, 1984. IV.. - Analytical Data for Surface Water Grab Samples V.- Analytical Data for Surface Water Composite Samples VI. Concentrations of Gamma Emitters in Surface Water in the Vicinity of Peach Bottom Atomic Power Station,1984 VII. Analytical Data ior Discharge Water Grab Samples VIII. Analytical Data for Discharge Water Composite Samples IX. Concentrations of Gamma Emitters in Discharge Water in the Vicinity of Peach Bottom Atomic Power Station, 1984 X. Analytical Data for Well Water Samples XI. Analytical Data for Precipitation Samples XII. Concentrations of Gamma Emitters in Precipitation in the Vicinity of Peach Bottom Atomic Power Station, 1984 XIII. Analytical Data for Air Particulate Samples XIV. Concentrations of Gamma Emitters in Air Particulates in the Vicinity of Peach Bottom Atomic Power Station, 1984 XV. Analytical Data for Air Iodine Samples XVI. Analytical Data for Milk Samples XVII. Weekly Mean Concentrations of I-131 in Milk in the Vicinity of Peach Bottom Atomic Power Station,1984 l 11

LIST OF-TABLES.(CONT.) . TABLES ~ n -XVIII. Concentrations of Sr-89, Sr-90 and Gamma Emitters in Milk in the Vicinity of-Peach Bottom Atomic Power. Station, 1984'- XIX. Analytical ' Data for Soil ' Samples XX. ~ Monthly TLD'Results XXI.- Quarterly TLD Results _ XXII.. Mean Monthly and Quarterly TLD Results for the Site Boundary, Middle and Outer Rings XXIII.- Typical Minimum Detetetable Levels of Nuclides Searched for but not found in the Vicinity of Peach Bottom Atomic -Power Station, 1984 XXIV. Collection Dates for Air Particulate and Air Iodine Samples, 1984 O l f 111

~ LIST OF FIGURES FIGURE 1 Environmental Sampling Stations on or near Peach Bottom Site 2 Environmental Sampling Stations at Intermediate Distances from Peach Bottom Site 3 . Environmental Sampling Stations at Remote Distances from .. Peach Bottom Site 4 Comparison of Monthly Aqueous Tritium Concentrations in Surface Water Collected Near Peach Bottom Atomic Power Station,1984 (Total Sample-Composite) 5 Comparison of Quarterly Aqueous Tritium Concentrations in Surface-Water Collected Near Peach Bottom Atomic Power Station,1984 (Total Sample-Composite) 6 Comparison of Monthly Gross Beta Concentrations in Surface Water Collected near Peach Bottom Atomic Power Station, 1984 (Soluble Fraction-Grab) 7-Comparison of Monthly Gross Beta Concentrations in Surface Water Collected Near Peach Bottom Atomic Power Station,1984 (Insoluble Fraction-Grab) 8 Comparison of Monthly Aqueous Tritium' Concentrations in ' rface A and Discharge Water Collected Near Peach Bottom Atomic Power Station, 1984 (Total Sample-Composite) 9 Comparison of Monthly Gross Beta Concentrations in Surface and Discharge Water Collected Near Peach Bottom Atomic Power Station, 1984 (Soluble Fraction-Composite) 10 Comparison of Monthly Gross Beta Concentrations in Surface and Discharge Water Collected Near Peach Bottom Atomic Power Station, 1984 (Insoluble Fraction-Composite) 11 Comparison of Average Aqueous Tritium Concentrations in Well Water Collected Near Peach Bottom Atomic Power Station,1970-1984 (Total Sample-Grab) 12 Comparison of Average Iodine-131 Concentrations in Milk at Near, Intermediate and Distant Farms in the Vicinity of Peach BottomAtomicPowerStation,1984(TotalSample) 13 Comparison of Average Strontium-90 Concentrations in Soil Collected Near Peach Bottom Atomic Power Station, 1970-1984 i (Top one Inch) i iv

LIST OF FIGURES (CONT.) FIGURE 14 Comparison of Average Strontium-90 Concentrations in Soil Collected Near Peach Bottom Atomic Power Station, 1970-1984 (Bottom Cut) 15 Comparison of Average Cesitsn-137 Concentrations in Soil Collected Near Peach Bottom Atomic Power Station, 1970-1984 (Top one Inch) - 16 Comparison of Average Cesium-137 uoncentrations in Soil Collected Near Peach Bottom Atomic Power Station, 1970-1984 -(BottomCut) 17 Comparison of Average Monthly TLD Results Collected at Site Boundary, Middle and Outer Ring Stations in the Vicinity of Peach Bottom Atomic Power Station,1984 18 Comparison of Average Quarterly TLD Results Collected at the Site Boundary, Middle and Outer Ring Stations in the Vicinity of Peach Bottom Atomic Power Station, 1973-1984 e v

T.,. -. .) I.

SUMMARY

AND CONCLUSIONS

1.

SUMMARY

AND CONCLUSIONS This report on the radiological environmental monitoring program conducted at the Peach Bottom Atomic Power Station for Philadelphia Electric Company by Teledyne Isotopes covers the period January 1, 1984 to December 31, 1984. During this period 2263 analyses were performed on 1687 samples. Surf ace water and discharge water samples were analyzed for concentrations of tritium, gross beta, and gamma-emitting nuclides. Surface water was also analyzed for concentrations of gross alpha and iodine-131. Water collected from station 4L showed positive iodine-131 concentrations in samples collected on March 31 and December 1 while station 61 showed positive iodine-131 concentrations on February 11, August 4, September 1, October 29, and December 1. The presence of this isotope at the unaffected station and at a greater level than the potentially affected station indicates that it is probably not plant related. Comparisons of the other samples collected at unaffected stations with potentially affected stations, in Conowingo Pond, showed no significant difference in concentrations of the radionuclides studied. It was shown that no significant differences existed between the preoperational and operational periods; therefore, it can be concluded that the levels of radioactivity in Conowingo Pond water have not been measurably influenced by the operation of the Peach Bottom Atomic Power Station. High sensitivity iodine-131 analyses were performed on weekly air samples. All results were less than the minimum detectable level. High sensitivity iodine-131 analyses were also performed on weekly milk samples while cows were on pasture and on monthly samples when cows were not grazing. Milk collected from station G showed positive results on September 17, 24, October 1, 8, 15, 22 and 29, 1984. Milk collected from station J showed positive results on October 8, 15, 22, and 29, 1964. This was attributed to PBAPS operations. The maximum hypothetical dose is calcu-lated to be 0.11 mrem to an infant's thyroid, or 0.37% of 10 CFR Part 50 Appendix ! design objectives. Soil samples were analyzed for concentrations of Strontium-89, Strontium-90 and gamma-emitting nuclides. The levels observed were not significantly different from preoperational data. Environmental gamma radiation measurements were made using thermoluni-nescent dosimeters. Results from the site-boundary, middle and outer rings were found to be not significantly different, so it can be concluded that the operation of Peach Bottom Atomic Power Station did not produce measurable levels of ambient gamma radiation at any of f-site location. In assessing all the data gathered for this report and comparing the results with preoperational data, it was evident that the operation of the Peach Bottom Atomic Power Station resulted in no significant radiological impact on the environment. 1

b 4 II. INTRODUCTION P 4

II. INTRODUCTION i Teledyne Isotopes (TI) began conducting a radiological environmental monitoring program in July 1983 for the Philadelphia Electric Company in connection with the Peach Bottom Atomic Power Station (PBAPS) located in Peach Bottom Township, York County, Pennsylvania. The preoperational phase of the program, as well as the operational phase up to' July 1983 was conducted by Radiation Management Corpora-tion. Data from programs conducted in prior years have been presented in a series of reports numbered 1 though 19. This TI program complements an existing program being conducted by others which has been carried out since March 1960. PBAPS is located along the Susquehanna River between Holtwood and Conowingo Dams. The fourteen mile long pond created by Conowingo Dam is called Conowingo Pond. The initial loading of fuel into Peach Bottom Unit No.1, a 40 MWe (Net) high temperature gas-cooled reactor, was started on February 5, 1966, and initial criticality was achieved March 3, 1966. Final shutdown of Peach Bottom Unit No. 1 was on October 31, 1974. Peach Bottom Unit No. 2 and No. 3 are boiling water reactors each with a power output of approxi-mately 1050 MWe (Net). The first fuel was loaded into Unit No. 2 on August 9, 1973, and criticality was first achieved on September 16, 1973. The fuel was loaded into Unit No. 3 on July 5, 1974 and critic-ality was first achieved on August 7, 1974. Peach Bottom Unit No. 2 first reached full power on June 16, 1974. Peach Bottom Unit No. 3 first reached full power on December 21, 1974. Aspecialpreoperationalreport(1)forPeachBottomUnitsNo.2andNo. 1 3 has been issued previously which sunmarizes results of all analyses performed on samples collected from September,1970 through August 8, 1973, the day before fuel was first loaded into Peach Bottom Unit No. 2. This report contains data for samples representing the period January 1, 1984 through December 31, 1984 A. PROGRAM OBJECTIVES i 1. Identify, measure, and evaluate existing radionuclides in the [ environs of the Peach Bottom Site and any fluctuations in radioactivity levels which may occur. 2. Monitor and evaluate ambient radiation levels. l i i 3

L I 3. Determine, cithin th2 scope cf'th3 program, any measurable quantity of ~ radioactivity 1 introduced._to the environment by the 'i e operation of the Peach Bottom Atomic Power Station. 4.~. Complement other existing radiological environmental monitoring programs at Aeach Bottom Atomic Power Station. 4 'B. PROGRAM IMPLEMENTATION -

In order to achieve these' objectives, the following analyses

< were performed on. samples collected during the period of this report.

11. -

Measured and evaluated concentrations of. aqueous tritium in ' surf ace water, discharge water, well water and milk. 2. Measured and evaluated concentrations of alpha emitters in surf ace water. 3. Measured and evaluated concentrations of beta emitters in surf ace water, discharge. water, well water, precipitation .and air particulates. 4. -Identified, measured and evaluated gamma emitting radionuclides - in surf ace water, discharge water, precipitation,. air particu. lates, milk and soil. 5. Measured and evaluated concentrations of Iodine-131 in milk, air and surf ace water. a 6.- Measured and evaluated concentrations of Strontium-89 and Strontium-90 in. soil and milk.- l 7. Measured ambient gamma radiation levels in the environment and evaluated the variations with time and location with respect to the Site, l r 4

__.,g,,,,,,__- i h Ii e E b III. TI PROGRAM DESCRIPTION f 6 ,_,m . m

8 111. Tl PROGRAM DESCRIPTION A. SAMPLE COLLECTION AND TLD PLACEMENT PROCEDURES-TheprogrambeingconductedbyTIisdeschibedinTablesIand II and Figures 1-3. 1. Sample Collection a. Water (except precipitation) All samples were collected in new polyethylene bottles. All persons involved in sample collection and handling were advised not to wear luminous dial watches in order to avoid possible cross contamination from that source. Sample containers were rinsed at least twice with the water to be sampled before collection. All water samples were grab samples except those collected at stations lLL, IMM, 61 and 4L. Weekly samples were taken from a tank which continually collects a sample at these four locations. The weekly samples were composited into a monthly sample for analysis. Collection methods are described in more detail in Table II, Section V. b. Precipitation Precipitation was collected in an apparatus consisting of a new polyethylene bottle with a plastic funnel 8 inches in diameter. The bottle was replaced monthly and the sample bottle was shipped to TI for analysis. The amount of precipitation was recorded continuously by a separate rain gauge at station lA. c. Air Particulates Air particulate samples were obtained using a vacuum sampler and glass fiber filters, 47 millimeters in diameter. Tha filter was replaced weekly and sent to Tl for analysis. The vacuum sampler was run continuously at approximately 1 cubic foot per minute, d. Air lodine Air iodine samples were obtained using a vacuum sampler and charcoal filters, 47 millimeters in diameter. The filter was replaced weekly and sent to Tl for analysis. The vacuum sampler was run continuously at approximately 1 cubic foot per minute. e. Milk samplen were collected in now polvethvlene baffles from the bulk tank at each farm, refrigerated and shipped immediately. No preservative was added. YJ

f. Soil-Soil. samples consisting of seven cores, 2" in diameter and 6" deep were collected from a 50 X 50 ft. area at'each sam-pling location. Top soil (upper 1 inch) and bottom soil (lower 5 inches) were. separated, then sealed in separate plastic bags, and shipped to TI. 2. .TLD Placement-A system using thermoluminescent dosimeters (TLDs) was used to measure the direct radiation levels in 'the PBAPS environment. The TLD stations were placed on and around the Peach Bottom Site using the "three ring concept". Two on-site stations, designated as plant. complex stations are not included in any of the three rings, a.. A site boundary ring near and within the site perimeter, representing fencepost doses, i.e., at locations where the doses are greater than maximum annual off-site doses from Station releases; b. A middle ring extending to approximately 10 miles from the Site, designed to measure possible exposures to close-in population; c. An outer ring extending from approximately 10 to about 60 miles from the Site; and considered not to be affected by Station releases; d. The specific location of each station was determined by the following criteria: (1) The presence of relatively densely populated areas; (2) From Site meteorological data taking into account distance and elevation for each of the 36 ten-degree sectors around the Site, where estimated annual dose from the Station, if any, would be more significant; (3) On hills and (where pratical) within sight of the stack, i and free from local obstructions; (4) Near the closest house to the stack in the prevailing down wind direction, e. Each TLD set (4 TLDs per set) was placed in a sealed poly-ethylene package to verify the integrity of the dostmeters when collected. Two packages were kept in a locked formica " birdhouse" or polyethylene jar, about six feet above the ground or supporting surf ace at each location. At each station one package was exchanged for measurement on a monthly schedule, and one on a quarterly schedule. l 6

B.. PROGRAM CHANGES' None C. ANALYSES PERFORMED The schedule of analyses performed by TI is listed by sample type in Table II. This schedule was followed except where noted below. Table III lists the type and number.of analyses performed during this period, along with the mean of indicator stations,' control stations and the stations with the highest annual mean. Methods used in performing these analyses can be found in Section VII of this report. D. EXCEPTIONS TO THE PROGRAM. -1. The composite discharge water sampler at station IMM malfunc-tioned, therefore, no sample was collected between 01/07/84 and 06/03/84, 08/04/84 and 09/01/84, 10/26/84 and 12/01/84. 2. The composite surface water sampler at station ILL malfunctioned, therefore, no sample was collected between 02/10/84 and 03/03/84, 05/06/84 and 06/03/84. 3. Wel1~ water was not collected from station 10 in the third or fourth quarter; nor from station IV in the fourth quarter due to inaccessibility to the collection facility. 4. No air particulate sample for gross beta analysis was collected from station 1Z from 09/15/84 to 10/02/84 due to sampler malfunc-tion. 5. No charcoal filter samples were collected from station 1Z between 09/15/84 and 10/02/84; at station 3A between 03/03/84 and 04/07/84; at station 5 between 08/11/84 and 08/18/84; at station 18 between 06/09/84 and 06/30/84, 08/12/84 and 08/18/84; and at station 120 between 04/16/84 and 04/23/84, 09/24/84 and 10/09/84. All stations except 12D from period 12/01/84 to 12/09/84 were lost in shipment. 6. TLD data was unavailable from station 16 in April; from station 10 in October and from station 6B in November of 1984 due to vandalism of TLD's, 7. TLD data was unavailable from station 16 in the second quarter and from station 10 in the fourth quarter due to vandalism of TLD's. 7

p,- 7 IV. RESULTS AND DISCUSSION

IV. RESULTS-AND DISCUSSION A. = DATA INTERPRETATION AND STA' STICAL ANALYSIS Several f actors are important in the interpretation of the data. In order to avoid undue repetition in the discussion which follows, these factors are described below. ~1. Grab Sampling Grab sampling is a useful and acceptable procedure for taking environmental samples of a medium in which the concentration of radionuclides is expected to vary slowly with time or where intermittent sampling is deemed sufficient to establish the radiological characteristics of the medium. This method, however, is only representative of the sampled medium for that specific location and instant of time. As a result, variation in the radionuclide concentrations of the samples will normally occur. Since these variations will tend to counterba.l. ance one another, the extraction of averages based upon repetitive grab samples is valid. 2. Miniinum Detectable Levels (MDL) It is characteristic of environmental monitoring data that many results occur at or below the specified detection level. Formal statistical error analysis of groups of such data is difficult. Pragmatic approaches to the problem include counting the detection level entries as zero, as half the detection level value, or as full detection level value. For reporting and calculation of averages in this report, any result occuring at or below the minimum detectable level is considered to be at that level. Averages obtained using this method are therefore biased high. 3. Standard Deviation of Analytical Results Within the data tables an approximate 95 percent (2 sigma) confidence interval is supplied for those data points at and above the minimum detectable level. These intervals represent the range of values into which 95 percent of repeated counts of the prepared sample would fall. 4. ~ Table Means and Standard Deviations Results for each type of sample were grouped according to the analysis performed. Means and standard deviations of these results were calculated. These standard deviations represent the variability of measured results for different samples rather than single analysis uncertainty. For these calcula-tions, all results below the MDL were considered to be at the MDL. As a result, the means are biased high, and the standard deviations are biased low. 9

B. DISCUSSION OF RESULTS-e Results are summarized in Table III. Tables of results for individual sample-types and. analyses performed can be found in Section V, Tables IV -to XXIV. Graphical presentations of results can be found in Section VI. 1. 1 Surface Water Samples were taken from nine stations on a monthly schedule.

Three stations (1LL,- 4L and 61) were continuous composite

. samples f and five (1Q, 4F, 4G, 6A and 13A) were grab samples. Station 138 was sampled a total of seven times in 1984. Of these stations, seven'could be affected by released from Peach Bottom Atomic Power Station. The remaining stations (6A and 61) were above Holtwood Dam and, therefore, could not be affected by plant discharges (refer to Figures 1 and 2, Section VI, for station locations). The following analyses were performed on surface water sampies, a. Tritium-Total samples from seven stations were analyzed for concentra-tions of aqueous tritium. Samples from stations ILL, 1Q, 4L and 6I were analyzed on a monthly basis, while samples from stations 4F, 6A and 13A were composited monthly into a quarterly sample. Results of this analysis for surface water samples can be found in Tables IV and-V, Section V. The concentra-tions detected were within the range found during the Peach Bottom Units number 2 and number 3 preoperational period (1). Graphical comparisons of the unaffected stations (6A and 61) above.Holtwood Dam with potentially affected stations (4F and 4L) at Conowingo Dam showed no detectable addition of tritium to Conowingo Pond from the operation of PBAPS (Figures 4 and 5, Section VI). Reported tritium concentrations increased in the third quarter to the 400 pCi/A range but decreased back down in the fourth quarter to levels seen during the first half of the year. The activity was still within historical environmental levels. b. Gross Alpha Samples from four stations (4F, 4L, 6A and 61) were analyzed for gross alpha concentrations in the soluble and insoluble fractions. Results of gross alpha analysis in surface water samples can be found in Tables IV and V Section V. Results at all locations were generally at or below the minimum detectable level in the soluble fraction. Results of the insoluble fraction were generally at or below the minimum detectable level at stations 4L, 6A and 61, and detectable at low levels at station 4F. Those values were similar to those seen in previous year's and can be attributed to the presence of sediment, a reservoir of fallout and natural alpha emitters, 10

p i c. ' Gross Beta. Samples from all stations were analyzed for concentrations of gross beta in the soluble and insoluble fractions. Results of gross beta analysis in surf ace water samples can be found in Tables p-IV and V, Section V. The concentrations detected in the soluble and insoluble fractions were within the range observed during the .preoperational period for Units number 2 and 3 (1). A graphical comparison of two Conowingo Dam stations (4F and 4G) with one Holtwood Dam station (6A) showed the results of the soluble frac-tions to be generally the same for all three locations except for the sample taken at station 4G on September 29. This elevated result was'still within previously reported results. The insoluble fractions are quite variable, especially at station 4F. This can be attributed to the presence of varying amounts of sediment, a rescr-voir of fallout and natural radioactivity. (Figures 6 and 7, Section VI). d. Iodine-131 Samples collected during the one week of each month from 02/04/84 to 01/04/85 from two stations (4L and 61) were analyzed for concentra-tions of I-131. Results of I-131 analysis of surf ace water samples can be found in Table V, Section V. Almost all results were below the minimum detectable level. Detectable concentrations were found at station 61 in February, July, August, September and November and at station 4L in March and December. The I-131 activity was attrib-uted to upstream sources. e. Gamma Spectrometry Samples from all stations were analyzed for gamma-emitting nuclides by gamma spectrometry. Results of gamma spectrometry on surf ace water samples can be found in Table VI, Section V. The nuclides searched for were below the minimum detectable level with the exception of K-40, Cs-137 and Th-228. K-40 was found in June at stations 1Q and 138; in August at stations 4F and 13A; in October at station 6A and in December at stations 4F, 138 and 4L. Very low levels of Cs-137 and Th-228 were found at station ILL in March and October, respectively. 2. Discharge Water Samples were taken from two stations (IM and IMM) on a monthly). schedule (refer to Figure 1, Section VI, for station locations The following analyses were performed on discharge water samples, a. Tritium Total samples from both stations were analyzed for concentrations of aqueous tritium on a monthly basis. Results of tritium analysis in discharge water samples can be found in Table VII and VIII, Section V. The concentrations detected were 11

within the range found during the Peach Bottom Units numbers 2 and 3 preoperational period (1). Reported tritium concentrations increased during the third quarter to the 400 pCi/E range but decreased back down in the fourth quarter to levels seen during the first half of the year, except at Station IQ. The elevated activity, still well within historical environmental levels, was most probably related to somewhat higher than normal PBAPS tritium realeases during the fourth quarter. Even the maximum concentrations found, 690180 pCi/E was well below the reporting level of 20,000 pCi/f. A graphical comparison of concentrations of aqueous tritium results for composite surface water and discharge water samples showed no significant differences (Figure 8, Section VI). b. Gross Beta Monthly samples from both stations were analyzed for gross beta concentrations in the soluble and insolut ie fractions. Results of these analyses in discharge water samples can be found in Tables VII and VIII, Section V. The concentrations detected in the soluble and insoluble fractions were similar to those observed in surf ace water samples (Figures 9 and 10, Section VI). c. Gamma Spectrometry Samples from both stations were analyzed for gamma-emitting nuclides by spectrometry. Results of gamma spectrometric analysis are given in Table IX, Section V. Low concentrations of K-40 were found at station 1M in December and Th-228 was found at Station IMM in October. In all other samples all nuclides searched for were below the MDL. 3. Well Water Well Water Samples were taken from four stations on a quarterly schedule. Two stations (1U and IV) were located within the Site area. The other stations were located approximately one mile (Station 40) and 10 miles (station 7)'from the Plant. These station locations are shown in Figures 1 and 2, Section VI. The following analyses were performed on well water samples. a. Tritium Total samples from all four stations were analyzed for aqueous tritium concentrations. Results of tritium analysis of well water samples can be found in Table X Section V. Results of all samples were within the range found during the Peach Bottom Units numbers 2 and 3 preoperational period (1). Reported tritium concentrations increased at station 40 in the third quarter to the l 400 pCi/E but decreased back down in the fourth quarter to levels seen during the first half of the year. The elevated activity was still well within environmental levels. A graphical comparison of the distant site-area, and on-site wells showed similar levels at all locations.(Figure 11, Section VI). A 12 (

b. Gross Beta Samples from all four stations were analyzed for gross beta concentrations in the soluble and insoluble fractions. Results of gross beta analysis on well water samples can be found in Table X, Section V. The concentrations detected were within the range observed during the Peach Bottom Units numbers 2 and 3 preoperational period (1). 4. Precipitation Precipitation was collected from two stations on a monthly schedule. Station lA is located at the on-site Peach Bottom Weather Station number 1. Station 8, located in Colora, Md., .is approximately 10 miles from the Site (for station locations, refer to Figures 1 and 2, Section VI). The following analyses 'were performed on precipitation samples, a. Gross Beta Monthly samples were analyzed for gross beta concentrations in the total sample. Results of gross beta analysis in precipita-tion samples can be found in Table XI, Section V. Concentra-tions detected were within the range fcund during the Peach Bottom Units 2 and 3 preoperational period (1). b._ Gamma Spectrometry Monthly samples were analyzed for gamma-emitting nuclides by spectrometry of the total sample. Results of gamma spectrometric. analysis of samples from both stations are given in Table XII, Section V. Be-7 was found in nineteen of twenty-four samples and can be attributed to cosmic ray activity. All other gamma-emitting nuclides searched for were below minimum detectable levels. 5. Air Particulates Continuous air-particulate samples were collected from the . on-site Peach Bottom Weather Station number 1 (lZ) and from the intermediate location, Conowingo Dam (4A) (For station locations, see Figure 1 and 2, section VI). The following analyses were performed on air particulate samples, a. Gross Beta Weekly samples were analyzed for concentrations of beta emitters. Results of gross beta analysis of air particulate samples can be found in Table XIII, Section V. Results observed were similar to levels observed in previous years. 1 13 t-p

.b. Gamma Spectrometry Monthly composite _ samples were analyzed for gamma-emitting nuclides by gamma spectrometry. Results of gamma spectrometric analysis are given-in-Table XIV, Section V. Be-7 was detected in all of the samples and was the result of cosmic ray activity. Naturally occuring K-40 was found in 1 of 24 samples. All -other nuclides searched for were below the minimum detectable levels. '6. Air Iodine. -Continuous air samples were collected weekly at eight stations and analyzed for I-131. Three stations (1B, 1Z, 2) were located within the Site area..Four stations (3A, 5, 68, 14) were ' located at intermediate distances of 1.9 to 5.8 miles from the site. One station (12D) was located 62 miles from the Site. Results of I-131 analysis can be found in Table XV, Section V. All results of the 394 analyses-performed were less than the minimum detectable level. 7. Milk Milk was sampled at eleven farms; three farms (G, J and 0) located within two miles of PBAPS were designated "near f arms"; four farms (D, L, M and N) located 3 to 5 miles from PBAPS were designated as " intermediate farms"; and four farms. (A, B,LC and E) located greater than five miles from PBAPS were designated as " distant farms". The following analyses were performed on milk samples, a. Tritium Milk from four farms ( A, C, G and J) was analyzed for tritium concentrations in the aqueous fraction on a quarterly basis. Results of tritium determinations in milk samples can be found in Table XVI, Section'V. Concentrations detected were within the range found during the Peach Bottom Units numbers 2 and 3 l ~ peroperational period (1) i i b. Iodine-131 Milk from eight farms (A, B, C, D, G, J, N and 0) near Peach Bottom was analyzed for concentrations of I-131, monthly in January, February, March and December. Weekly I-131 analyses resumed during the first week of April and continued through i 14

.the third week-of November. Three additional f arms (L, M and E) were sampled and analyzed quarterly for I-131. Results of I-131 analysis can be found in Tables XVI and XVII, Section V and Figure 12,-Section.VI. Samples collected from station G had seven consecutive detectable levels reported for the period 09/17/84 through 10/29/84. Station J showed four consecutive samples with detectable activity for the period 10/08/84 through 10/29/84. This activity can be correllated with slightly increased I-131 releases from PBAPS.during September and October. The maximum hypothetical dose to an inf ant's thyroid was calculated to be 0.11 mrem. This calculation was done using the assumptions of USNRC Regulatory Guide 1.109, Revision 1, October 1977, c.- Strontium-89 and Strontium-90 One milk sample was collected at f arm J in each quarter and analyzed for Sr-89 and Sr-90. Results can be found in Table XVIII, Section V. All Sr-89 results were less than the minimum detectable level. Sr-90 concentrations were similar to those observed in previous years. d. Gamma Spectrometry One milk sample collected at farm J in each quarter was analyzed for gamma-emitting nuclides by gamma spectrometry. Results can be found in. Table XVIII, Section V. Nuclide detected was naturally-occuring K-40. Concentrations were similar to those observed in previous years. 8. Soil Semiannual samples were taken at three locations, one on-site station (2) and two distant stations (3A and 5) located about four miles from PBAPS (for station locations, see Figures 1 and 2,- Section VI). The area at station 2 is heavily wooded with rock outcroppings. The soil at this location would be expected to contain substantial humus from the accumulation of natural vege-tative debris. Station 3A is covered only with grass. Station 5 is a combination of grass and cultivated land. The following analyses were performed on soil samples. a. Strontium-89 and Strontium-90 Samples from all stations were analyzed for Sr-89 and Sr-90 concentrations in the top one inch and bottom five inches separately. Results of'Sr-89 and Sr-90 analysis in soil samples can be found in Table XIX, Section V. Concentrations of Sr-89 were less than the minimum detectable level in all 15

w -samples.i Concentrations of Sr-90 detected were within the

range found:during;the PBAPS Units numbers 2 and 3 preoperational:

-period (1)~ Graphical comparisons of' Sr-90 in the top one inch. and: bottom' cut can be found in Figures 13'and_14,-Section'VI. ~ ' Differences between the on-site location-(2) and. distant . locations-(3A:and 5) were attributed to the accu, ulation of-vegeta-g Ltive debris at station'2. ~ un b. Gamma Spectrometry Samples'from ~all' stations were analyzed for gamma-emitting .nuclides by Ge(L1) gamma spectrometry (Table.XIX,_Section V). ? Nuclides. identified were-generally the_same'.as those found during the PBAPS Units numbers 2 and 3.preoperational period' with most_ at the;same or lower concentrations (1).. Some natural _ly-occurring nuclides were.found (K-40,- Ra'-226, Be-7 and.Th-228). Small: concentrations _of Cs-137~were detected in all eleven samples and- _-were_similar~to levels observed in previous years. The 30 year' half-life' and biological _ assimilation of Cs-137 accounts for the - continued: appearance of.this nuclide :in soil samples many years after atmospheric testing' of nuclear we~apons. _ There was little difference between.the on-site location (2) and distant locations (3A and 5) (Figures 15.and 16, Section VI). The. concentrations of other~nuclides detected were similar to levels observed in previous years. " ". j: 9. Ambient Gamma Radiation ' Ambient _ gamma radiation -levels were measured with calcitsn sulfate: Tm thermoluminescent-dosimeters. Thirteen stations (18, IC, 10, IE, 1F, 1G, 1H,.ld, IL, IM, INN, 2 Land 40)- were located around the Site boundary and designated for comparison purposes.as'the " site boundary ring". Twenty-five.. ~ istations (3A, 4K, 5, 68,14,15,17, -22,. 23, 26,= 27,' 31, 32, 33A, - 38, 42, 43, 44, 45, 46, 47, 48, 49, 50 and 51) were located within _ a 10 mile radius of the Site and designated as the " middle. ring". Seven stations (128, 16, 18, 19, 20,.218 and 24) were located.from 10 to 60 miles from the-Site and designated as the." outer ring". Since they could be more directly affected by Plant activities _ and do not represent doses to the public, two stations (lA and II)

located 'within the plant complex constitute' a fourth group called plant-complex station (for station locations, see Figures 1, 2 and

~, '3, Section VI). Results of TLD measurements are listed in Tables XX,:XXI and XXII, Section V. The annual average of_ monthly and quarterly radiation levels were within the range found during the-Peach Bottom Units numbers 2 and 3 preoperational period (1). ~ Graphical comparisons of the site-boundary, middle and outer rings on monthly and quarterly readings showed no significant differences in ambient radiation levels with distance from PBAPS, indicating no measurable Station contribution (Table XXII, Section V, Figures 17 and 18, section VI). 16 b

E L s REFERENCES ~ , (1); Radiation Management-Corporation-Publication,' Peach Bottom Atomic Power Station Preoperational Radiological Monitoring Report for= Units 2 and 3,-January 1974, Philadelphia,-Pa. l(2). _Interex Corporation, Peach Bottom Atomic Power. Station Regional Environs Radiation Monitoring Program Preoperational Summary . Report, Units 2 and'3,. February 5, 1966 through August 8,

1973, June 1977, Natick Mass.

(3) -Teledyne Isotopes, Quality Control Data - 1984. (4) 'Teledyne Isotopes', Peach Bottom Atomic Power Station Annual Radio-Logical Environmental.0perating Report #19, May 1984, Westwood NJ. = r t J t t I' 17

TABLE I TI. STATION DESIGNATION AND SAMPLE IDENTIFICATION SYSTEM FOR-PEACH BOTTOM ATOMIC POWER STATION REMP, 1984 VV-WWW-XXYZ-General' code for identification of samples, where: .yj[ - Power Plant identification code PB - . Peach Bottom' Atomic Power Station - WWW - Type of Sanple- .SWA - Surface Water DWA , -Discharge Water WWA - Well Water RWA - Rain Water APT - Air Particulates AI0 Air-io' dine 1 MLK - Milk SOL - Soil IDM - Immersion Dose J0(_ - Angular Sector of Sampling Location Compass is divided into 36 sectors of 10 degrees each with center at Peach bottom off-gas stack. Sector 36 is centered due North, and others are numbered in a clockwise direction. Sector 00 is used to designate an unidentified direction. J, - Radial Zone of Sampling Location In this report, the Radial distance from the Peach Bottom off-gas stack for all regional stations.are as follows: S: on-site location D: 3-4 miles off-site A: 0-1 mile off-site E: 4-5 miles off-site B: 1-2 miles off-site F: 5-10 miles off-site C: 2-3 miles off-site G: 10-20 miles off-site H: 20-100 miles off-site - Z - Station's Numerical Designation within sector and zone, using 1,2,3.... in each sector and zone. m.

7 1

T ABLE 'll ..Tl SAMPLE COLLECTION,AND ANALYSIS PROGRAMS . ENV.. ., STATION. LOCATION, STATION STATION NAME 'Tl STATION. DIRECTION AND DISTANCE; COLLECTION METHOD' ' ANALYSIS AND FREQUENCY NO. DESIGNATION FROM PEACH BOTTOM AND FREQUENCY. PERFORMED A. SURFACE WATER ILL, Peach Bottom PB-SWA-6S4 Continuous sampler On Site' Water is continuously sampled,

Aq Tritium - monthly.

Units 2 and 3 'at' Units 2 and 3 Intake from the Peach Bottom Units. Gross Beta (S&l) - monthly Intake ~~ Composite-1200' ENE of Units 2 and 3. 2 and 3 Intake and is collected' , Gamma Spec - monthly in a 190 gallon tank. Each --week 2 qts.' are withdrawn: from the tank, prior to drain-- ing the tank and placed in'a-2 gallon polyethylene bottle .to form a monthly composite sample. 1Q Peach Bottom PB-SWA-653 On Site at Unit No. 2 Intake Two gallon grab sample is. Same as station 1LL.above Unit No. 2 about 1200' ENE of Units 2 collected in front of intake. Intake and 3. structure monthly. 4F Conowingo Dam PB-SWA-1W2 In the Conowingo Hydro-Two gallon grab sample is- ' Aq Tritium - quarterly camp. El 33' electric Station, 8.6 taken monthly from the same. -Gross Alpha (S&I)'- monthly. MSL' miles SE of Units 2 and 3. header which is used for the Cross Beta (S&l) - monthly: composite sample (4L). This Gamma Spec - monthly-header continuously draws pond water from about elevation.33' MSL. !This sample and PB-SWA-1W 3= samples are collected at.the same time. 4G Conowingo Dam PB-SWA-1W 3 At Conowingo Der in Two gallon grab sample is-Gross Beta (S&l) - monthly Surface Maryland, 8.5 miles SE of collected near the surface. Gamma Spec l-monthly Units 2 and 3. Water sample of the Pond on the upstream is taken from Conowingo side of the dem monthly. Pond on upstream side of dam. AL Conowingo Das PB-SWA-1W5 -Continuous sampler in Water is continuously sampled Aq Tritium'- monthly', El. 33' MSL - Conowingo' Hydroelectric from a header which draws Pond Gross Alpha (S&l)~- monthly-Composite Station; about 8.6 miles - water from elevation 33' MSL Gross Beta (Sal) - monthly.- SE of Units 2 and 3. and is collected in a 175 gal. Camma Spec.- monthly tank. Each week 2 qts.~ are; l-131 - monthly' withdrawn from the tank prior to draining the tank and placed in a 2 gal. polyethylene bottle to form a monthly composite sample. 6A Holtwood Das PB-SWA-33F1 'At Holtwood Dam, Pa., 5.8 Two gallon grab sample is col-: Same as station'4F above Hydroelectric' miles NW of Units 2 and 31 'lected from Holtwood Pond at Station Hydroelectric Station intake -monthly..

- ~" 1 r l t i i 5 e a t-F r I l i i V. TABLES r { i 1 l I L +ewy-r w,w---w ---e, ,,m-

1 TABLE II (cont.) TI SAWLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION, STATION STATION NAK TI STATION DIRECTION AND DIST ANCE COLLECTION KTHGD ANALYSIS AND FREQUENCY NO. DESIGNATION FROM PEACH B0TTOM AND FREQUENCY PERFORK D A. SURFACE WATER (cont.) 61 Holtwood Dam P S SWA-33F4 Continuous sampler at Water is continuously Aq T ritium - monthly Hydroelectric Holtwood Dam, Pa., 5.B sampled from the Holtwood Gross Alpha (S&I) - monthly St at ion-Composit e miles NW of Units 2 and 3. Hydroelectric Station Gross Beta (S&I) - monthly Intake and is collected in Gamma Spec - monthly a 175 gal. tank. Each week I-131 - monthly 2 qts, are withdrawn from the tank and placed in a 2 gal. polyethylene bottle to form a monthly composite sample. 13A Chester Water PB-SWA-1.1 C1 On east shore of Conowngo Two gallon grab s mple Aq Tritium - quarterly camp. Int ake-Pond Pond at Chester Water is collected from Conowingo Gross Beta (S&I) - monthly Authority Intake, 2.4 Pond near the shore monthly. Gamma Spec - monthly miles ESE of Units 2 and 3. 138 Chester Water PB-SWA-11 C2 At Chester Water Authority Two gallon grab sample is Gross Beta (S&I) - monthly Int ake-pump Int ake. The s ee as collected from pump discharge Gamma Spec - monthly Discharge PB-SWA-11C1 but the smple during any month that the is collected from the pump pm p operates. discharge. B. DISCHARGE WATER 1Q Peach Bottom P SDWA-1352 Located at Canal Disenarge Two gallon grab sample is Aq Tritim - mc.nthly Canal Discharge structure; 1.0 miles SE collected at the exit of Gross Beta (S&I) - monthly of Units 2 and 3. the discharge canal monthly. Gamma Spec - mor.thly 1MM Peach Bottom PB-DWA-1355 A continuous smpler on Water is continuously sampled Same as station 1M above Canal Discharge-site at canal discharge 1.0 from the Peach Bottom Unit Composite miles SE of Units 2 and 3. 2 and 3 discharge canal and is collected in a 190 gallon tank. Each week 2 qts. are withdrawn from the tank and placed in a 2 gal, polyethylene bottle to form a monthly composite sample.

TABLE II (cont.) TI SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STAT 10N LOCAT10N, STATION STATION NAK TI STATION DIRECTION AND DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. DESIGNATION FROM PEACH BOTTOM AND FREQUENCY PERF ORMED C. WELL WATER 1U Peach Bottom PB-WWA-1552-Well at Plant Site, 1400' Well pump is run for Aq Tritium - quarterly Site-Utility S of Units 2 and 3. several minutes prior to Gross Beta (S&I) - quarterly Building samplin<j in order to flush the sample line. Then two gallon grab sample is taken from the building faucet quarterly. IV Peach Bottom PB-WWA-12S2 Well at Plant Site. 1400' Same as station 10 abcve Same as station 1U above Site-Info. SSE of Units 2 and 3. Center 40 Peach Bottom PB-WWA-21B2 Well in Site Area, 1.5 miles Same as station 10 above Same as station 1U above Site Area SW of Units 2 and 3. 7 Darlington, Md. PB-WWA-16F1 9.6 miles SSE of Units 2 Same as station 1U above Same as station 1U above Area and 3 in Hartford Co., Md. D. PRECIPITATION 1A Peach Bottom PB-RWA-1151 On Site at Weather Station The sample from the rain Cross Beta - monthly Weather NO. 1, 0.3 miles SE of Units collector is shipped to Camma Spec - monthly Station No.1 2 and 3. TI monthly. The rain collector consists of an 8-inch diameter plastic funnel connected to a two-gallon polyethylene container. B Colora, Md. PB-RWA-12F1 9.9 miles ESE of Urvits 2 Same as station 1A above Same as station 1A above and 3 in Cecil Co., Md. E. AIR PARTICULATES - AIR IODINE 18 Peach Bottom PB-AID-3351 On Site, 0.3 miles SE of About 1 cfm continuous flow I - 131 weekly Weather Station Units 2 and 3. through charcoal filter No. 2 (approx. 2" diam.) is in-stalled for a week and re-placed. 1Z Peach Bottom PB-APT-1154 On Site at Weather Station About I cfm continuous flow Cross Beta - weekly Weather Station PB-AID-1154 No. 1, 0.3 miles SE of Units through glass fiber and char-1 - 131 weekly No. 1 2 and 3. coal filters (approx. 2" Gamma Spec - monthly comp. diam.) are installed for a week and replaced.

] 1 TABLE II. (cont.)- l Tl SAMPLE COLLECTION AND ANALYSIS PROGRAM l I ENV. 5TATION LOCATION, STAT 10N STATION NAME TI STAT 10N DIRECTION AND DISTANCE COLLECTION HETH0D ANALYSIS AND FREQUENCY NO. DESIGNATION FROM PEACH BOTTOM AND FREQUENCY PERFORMED E. AIR PARTICitATES - AIR IODINE (cont.) 2 Peach Bottom PB-A10-13S1 On Site, 0.9 Miles SE of Same as station 18 above I-131 - weekly Site 130' Sector Units 2 and 3. Hill 3A Delta, Pa. PB-A10-2301 3.6 miles SW of Units 2 Same as station 18 above I-131 - weekly Substation and 3 at Delta, Pa. AA Conowingo Dam PB-APT-14F1 8.6 miles SE of Units 2 and About 1 cfm continuous flow Gross Beta - weekly Powerhouse roof 3 on Powerhouse roof in Cecil through a glass fiber filter Gamma Spec - monthly comp. County, Md. (approx. 2" diam.) is installed for a week and replaced. 5 Wakefield, Pa. P8-AID-BE1 At Wakefield, Pa., 4.6 miles Same as station 18 above 1-131 - weekly E af Units 2 and 3. 68 Holtwood Dam PB-AIO-33F2 On the roof of Hydroelectric Same as station 1B abouve

131 - weekly Hydroelectric Station, 5.8 miles NW of Units Station of Units 2 and 3.

14 Peters Creek H3-AID-1081 1.9 miles ESE of Units 2 and Same as station 18 above I-131 - weekly 3 near mouth of Peters Creek. 12D Phila., Pa. PB-AID-8H2 62 miles ENE of Units 2 and 3 Same as station 18 above I-131 - weekly 2301 Harket St. on the roof of 2301 Market Street. F. HILK A Regional PB-MLK-12F1 Distant regional farms Two gallon grab sample I-131 - weekly Farm A surrounding the Site, is collected at each Aq tritium - quarterly designated "A", "B" and farm from a tank containing B Regional PB-MLK-24f1 "C" on the west side of milk from all cows weekly I-131 - weekly Farm B Conowingo Pond and "E" while cows are on pasture, on the east side of monthly otherwise. Conowir.go Pond. Nearby Samples are shipped to TI. C Regional PB-MLK-31F1 - regimal farm surrounding Same as station A above Farm C the Peach Bottom Site on the west side of Conowingo D Regional PB-MLK-501 Pond are designated "G", "J", Same as station B above Farm D

. 9

4-TABLE II (conti.) -

-il SAMPLE COLLECTION AND ANALYSIS PROGRAM l l l ENV. . DIRECTION AND DISTANCE: COLLECTION METHOD ANALYSIS AND FREQUENCY . STATION LOCATION, STATION STATION NAME TI STATION i No. DESIGNATION FROM PEACH BOTTOM AND FREQUENCY-PEREDRMED F. MILK (cont.) E Regional PB-MLK-36F 1 and "0". Regional farms-Same as Station A above I-131 quarterly. Fara E at intermediate distances except quarterly j l from Peach Bottom on the s l C Regional PB-MLK-20B1 east side are designated-Same as' station A above l Farm G "D", "L", "M" AND "N". .1 Regional PB-MLK-28A1 I-131 - weekly l Farm J Aq tritium - quarterly l . Sr-89 & quarterly ' Gamma Spec -' quarterly-L Regional PB-MLK-581 Same as station A above _ I-131 - quarterly Fare L except quarterly g L M Regional PB-MLK-7C1 Same as Station A above Same as station L above. Farm M except quarterly N Regional PB-MLK-11C3 -Same as station 8 above - Farm N ~ O Regional PB-MLK-22C1 Same as station B above l Fara 0 i G. SOIL l 2 Peach Bottom PB-50L-1351 On Site, 0.9 miles SE Seven cores (2" in' diameter . Camma Spec - semiannual. l 130* Sector of Units 2 and 3. and 6" deep) are collected. Sr-89 & semiannual l Hill from a 50 x 50 ft. area semi-annually. Top 1 inch and bottom 5 inches are separated, sealed in plastic bags, and shipped to TI. 1 3A Delta, Pa. PB-50L-23D1 3.6 miles SW of Units 2 and 3 Same as station 2 above Same as station 2 above Substation at Delta, Pa. 5 Wakefield, Pa. PB-50L-8E1 4.6 miles E of Units 2 and 3 Same as station 2 above - Same as station 2 above. at Wakefield, Pa. i s,

~, TABLE'Il (cont.) TI SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCAT10N, STATION STAT 10N NAME TI STAT 10N DIRECTION AND DISTANCE COLLECT 10N HETHOD ANALYSIS AND FREQULNCY No. DESICNATION FROM PEACH BOTTOM AND FREQUENCY PERFORMED H. ENVIRONMENTAL DOSIMETRY - TLD At each of the following stations there are 2 environmental dosimeter packets with '; ILDs per package. One packet is replaced monthly, and one quarterly. The packets for each time period are collecLw1 and replaced on the same day at all the stations. 1A Peach Bottom PB-IDH-1151 (h Site, 0.3 miles SE of - Procedure for collection TLD - monthly and m atterly Weather Units 2 and 3. is described in the Station No.1 placement procedure in .Sec. II., A. 1B Peach Bottom PB-IDH-33S1 On Site, 0.5 miles NW of TLD -monthly and quarterly Weather Units 2 and 3. Station No. 2 1C Peach Bottom PB-IDH-1651 On Site, 0.9 miles SSE of - TLD - monthly and quarterly ~ South Units 2 and 3. Substation Rd. 1D Peach Bottom PB-IDH-1451 On Site, 0.7 miles SE of .TLD - monthly and quarterly 140

• Sector Units 2 and 3.

Site Boundary 1E Peach Bottom PB-IDH-35S1 On Site, 0.6 miles NNW of TLD - monthly and quarterly 350* Sector Units 2 and 3 Site Boundary 1F Peach Bottom PB-IDH-20S1 [h Site, 0.6 miles SSW of ILD - monthly and quarterly 200* Sector Units 2 and 3. Hill 1G Peach Bottom PB-IDH-30S1 On Site, 0.7 miles WNW of TLD - monthly and quarterl'y North thiits 2 and 3. Substation 1H Peach Bottom PB-10H-2751 On Site, 0.6 miles W of TLD. monthly and quarterly Site 270* Units 2 and 3. Sector Hill 11 Peach Bottom PB-10H-1551 On Site, 0.6 miles SSE of TLD - monthly and quarterly Snuth Units 2 and 3. Substation 1J Peach Bottom PB-IDH-1851 On Site, 0.7 miles S of TLD - monthly and quarterly Site 180* Units 2 and 3. Sector Hill

r s s TABL'E 11 (cont.)' 1 T1 SAMPLE COLLECTION AND ANALYSIS PROGRAM - ENV.- STATION LOCATION,. ANALYSIS AND FREQUENCY STAT 10N STATION NAME II STATION DIRECTION AND DI5TANCE -COLLECTION METHOD NO.- DESIGNATION-FROM PEACH BOTTOM AND FREQUENCY - PERFURMED H. ENVIRONE NTAL DOSIETRY - TLD (cont.) ~ ~ 1L Peach Bottom PB-IDM-652 Located near thit 3 - TLD - monthly and quarterly _ Unit 3 Intake structure; 0.2 miles Intake ENE of Units 2 and 3. 1M Peach Bottcm PB-IDM-1352 Located near Canal Discharge . e. TLD - monthly and quarterly,' Canal Discharge structures 1.0 miles SE of thits 2 and 3. INN Peach Bottom PB-IDH-2651 On Site, 0.5 miles WSW of -TLD monthly and quarterly Site Units 2 and 3. 2 Peach Bottom F3-IDH-13S1 On Site, 0.9 miles SE of TLD - monthly and quarterl'y' Site 130* Units 2 and 3. Sector Hill 3A Delta, Pa. PB-IDH-23D1 3.6 miles SW of Units 2 and 3. TLD - monthly and quarterlye Substation AK Conowingo Dan PB-IDH-14F1 On roof of Conowingo Power- ~ TLD - monthly and quarterly; Powerhouse house, 8.6 miles SE of Units Roof 2 and 3. 5 Wakefield, Pa. PB-IDH-8E1 At Wakefield, Pa. 4.6 miles TLD - monthly and quarterly-E of Units 2 and 3. 68 Holtwood Dam PB-IDH-33F2 On roof of Hydroelectric TLD"- monthly and quarterly; Hydroelectric Stetion, 5.8 miles NW of Station Units 2 and 3. I 128 Phila., Pa. PB-IDH-8H1 On roof of 3500 Market St., TLD - monthly and quarterly 3508 Market St. Philadelphia, Pa. 64 miles E of Units 2 and 3. 14 Peters Creek PB-10M-1tB1~ 1.9 miles ESE of Units 2 and 3 near TLD - monthly and quarterly I the south of Peters Creek. 15 Silver Spring PB-IDM-MD1 3.6 miles N of Units 2 and 3 near TLD - monthly and quarterly l Road Silver Spring Road. 16 Nottingham, Pa. PB-IDM-9G1 12.8 miles E of Units 2 and 3 at ' TLD.- monthly and quarterly. ( Substation Nottingham Substation. I 4&----wp. T- + -m- + >a - W 5 yw m. y d c e u 4 r-m

17 TABLC !! (cont.). J TI SAMPLE COLLECTION AND ANALYSIS PROGRAM ^ l ENV. STATION LOCATION, STATION STATION NAK TI STATION DIRECTION AND DISTANCE COLLECTION HETHOD' ANALYSIS AND fREQtLNCY NO. DESIGNATION FROM PEACH B0iiDM AND FREQUENCY PLRf0HMED l H. ENVIRONNENTAL DOSIKTRY - TLD (cont.) 17 Riverview PB-IDH-11El 4.0 Miles ESE of Units 2 ano 3 ILD - monthly and quarterly' - Road near Riverview Road. ( 18 Fawn Crove, Pa. PB-IDH-26F1 10 males W of Units 2 and 3 at TLD - monthly and quarterly Fawn Grove, Pa. 19 Red Lion, Pa. PB-IDH-30H1 20.6 miles WNW of Units 2 and 3 ILD - monthly and quarterly at Red Lion, Pa. 20 Bel Air, Md. PB-IDH-20G1 15.1 miles SSW of Units 2 and 3 TLD - monthly and quarterly Area near Bel Air, Maryland. 218 Lancaster, Pa. PB-IDH-35G1 19 miles NNW of Units 2 and 3 TLD - monthly and quarterly Area near Lancaster, Pa. 22 Eagle Road PB-IDH-3C1 2.4 miles NNE of Units 2 and 3 ILD - monthly and quarterly. near Eagle Road. 23 Peach Bottom PB-IDH-1581 Off-site Hill 1.0 miles ILD - monthly and quarterly 150* Sector Hill SSE of Units 2 and 2. Off Site 24 Harrisville, Md. PB-IDH-11G1 10.9 miles ESE of Units 2 and 3 ILD - monthly and quarterly Substation at Harris Substation 26 Slab Road PB-IDH-31E1 4.2 miles NW of Units 2 and 3 TLD - monthly and quarterly near Slab Road. 27 N. Cooper PB-IUH-1BC1

21. miles S of Units 2 and 3 ILD - monthly and quarterly Road

e. ear N. Cooper Road.

31 Pilotown PB-IDH-13E 1 4.9 miles N' of Units 2 and 3 ILD - monthly and quarterly. Road near Pilctown Road. 32 Slate Hila PB-IDH-6C1 2.7 miles ENE of Units 2 and 3 ILD - monthly and quarterly Road near Slate Hill Road. 33A fulton Main PB-IDH-682 1.7 miles ENE of Units 2 and 3. ILD - monthly and quarterly Weather Station 38 Peach Bottom PB-IDH-8D1 3.0 miles E of Units 2 and 3 TLD - monthly and quarterly Road near Peach Bottom Road.

TABLE II (cont.) T1 SAWLE CDLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION, STAi!ON STATION NAE TI STATION DIRECTION AND DISTANCE COLLECTION ETHOD ANALYSIS AND FREQUENCY NO. DESIGNATION FROM PEACH BOTION AND FREQUENCY PERFORMED' H. ENVIRONMENTAL DOSlHETRY - TLD (cont.) 40 Peach Bottom PB-IDH-2182 In site Area about 1.2 miles TLD - monthly and quarterly-Site Area SW of Units 2 and 3. 42 Huddy Run PB-IDH-35El 4.2 miles NNW of Units 2 and 3. TLD - monthly and quarterly Environmental Lab. 43 Drumore Township PB-IIN-2F 1 5.0 miles NNE of Units 2 and 3. 'TLD - monthly and quarterly School 44 Goshen Hill PB-IDH-5F1 5.1 miles NE of Units 2 and 3. TLD - monthly and quarterly Road 45 PB - Keeney Line PB-IDH-7D1 3.3 miles ENE of Units 2 and 3. TLD - monthly and quarterly. 46 Broad Creek PB-IDH-?d1 4.5 miles SSE of Unita 2 and 3 TLD - monthly and quarterly near Flintville Road. 47 Broad Creek PB-IDH-18E1 4.3 miles S of Units 2 and 3. TLD - mcathly and quarterly-Scout Camp 48 Macton Substation PB-ICM-20E1 5.0 miles SSW of Units 2 and 3 TLD - monthly and quarterly 49 PB-Conastone Line PB-IDH-25E1 4.1 miles WSW of Units 2 and 3. TLD - sonthly and quarterly 50 TRANSCO Punping PB-IDH-2d1 4.9 miles W of Units 2 and 3. ILD - monthly and quarterly Station 51 Fin Substation PB-!DH-29D1 4.0 miles WNW of Units 2 and 3. TLD - monthly and quarterly I I l

TABLE III RADIOLOGICAL ENVIR0t#1 ENTAL MONITORING PROGRAM At04AAL St#9tARY MAME OF FACILITY: PEACN BOTTON ATOMIC POWER STATION DOCKET No.: 50-277 C 50-278 LOCATION OF FACILITY: YORK COEMTY, PA REPORTING PERIOD: 1964 IteICATOR CONTROL LOCATION WITH NIGHEST REQUIRED LOCATIONS LOCATIONS APG4At MEAN FAKEER MEDItM OR TYPE OF PARBER OF MINIttJM MEAN MEAN MEAN STATION 8 OF NONROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (F) (F) (F) NAME REPORIED (LMIT OF MEAStREMENT) PERFORt1ED PERFORMED LEVEL (tWLI RANGE RANGE RANGE DISTANCE C DIRECTION MEASUREt1ENTS AIR PARTICULATE GROSS BETA 102 0.006 .018 .017 .018 1Z (INDICATORI O (PC/CU. METERI (50/50) (52/52) (50/50) WEATHER STATION 1 (.004.044) (.005.08) (.004.044) 0.3 MILES SE OF SITE GAtttA 24 BE-7 N/A .11 .11 .11 tZ (ItBICATORI O (12/123 (12/12) (12/12) WEATHER STATION t (.06 173 (.06.14) (.08.173 0.3 MILES SE OF SITE K-40 N/A .09 <teL .09 1Z (INDICATORI O (1/123-t1/123 WEATHER STATION 1 E.09) (.093 0.3 MILES SE GF SITE CS-134 < PE L <PEL < im L 0 CS-137 < tel < PE L < t10 L 0 PRECIPITATION GROSS BETA 24 2.5 3.3 8.7 8.7 8 (CONTROL) 0 (PC/LITERI (12/12) (12/12) (12/12) COLORA,t9 (t.5-5.4I (1.1-301 (l.1-303 9.9 MILES ESE OF SITE GAtttA (TOTAll 24 BE-7 N/A 34 33 34 IA (IteICATORI O (10/123 (9/123 (10/123 WEATHER STATION NO. t (17-68) (14-70) (17-68) 0.3 MILES SE OF SITE f94-54 9 < PSL < tel < teL 0 l FE-59 18 < PS L < fE L < POL 0 C0-58 9 < PO L < tW L < POL 0 CO-60 9 < tel x mL < im L 0 ZN-65 18 <iLL < im L < PO L 0 ZRNB-95 9 < PO L < te L < PO L 0 CS-134 9 < tE L < teL < t10 L 0 CS-137 1I < PO L < tel < PO L 0 BALA-140 9 < POL < PO L < PO L 0 PRECIPITATION GROSS BETA 24 N/A 249 315 315 8 (CONTROLI O (FC/SQ. METER) (12/12) (12/12) (12/12) COLORA, te (140-6003 (100-840) (100-640) 9.9 ttILES ESE OF SI1E MEAN Ate RANGE BASED UPON DETECTABLE ttEASUREt1ENTS ONLT. FRACTION OF DETECTABLE PfEASUREMENTS AT SPECIFIED LOCATIONS IS IteICATED IN PARENTEESES. (F)

a TABLE III RAOIOLOGICAL ENVIR0tetENTAL MONITORING PROGRAM At#4UAL SUt91ARY NAME OF FACILITYs PEACH BOTTOM ATOMIC POWER STATION DOCKET NO.s 50-277 C 50-278 LOCATION OF FACILITYa YORK COUNTY. PA REPORTING PERIODS 1984 IDEICATOR CONTROL LOCATION WITH HIGHEST REQUIRED LOCATIONS LOCATIONS At#4UAL MEAN DARBER MEDILM OR TTPE OF DAABER OF MINIMUPt MEAN MEAN MEAN STATION 8 OF N0tst0UTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE IFI (FI (F3 NAME REPORTED ttMIT OF MEASUREMENT) PERFORMED PERFORMED LEVEL titL) RANGE RANGE RANGE DISTANCE C DIRECTION MEASUREMENTS SURFACE WATER GRCSS ALPHA 48 N/A 1.9 .5 2.2 4F (ItCICATORD 0 (PC/LITERI INSOLUBLE I10/24) (4/24) (8/12) CONOWINGO Dart EL. 33FT. MSL-GRA8 (.3-4) 8.3.6) (.6-4) 8.6 MILES SE OF SITE GROSS ALPHA 48 N/A .6 1 1 6A (CONTROLI O SOLUBLE (2/24) (1/24) (t/12) HOLTWOOO DAt1 HYDRO-ELECTRIC STATION I.5.6) (lI i13 5.8 MILES tad 0F SITE GROSS BETA 100 2.5 2.6 1.4 4.8 4F (INDICATOR) 0 INSOLUBLE (40/55) (29/453 412/l23 CONOMINGO DAM EL. 33FT. MSL-GRA8 f.3-181 8.4-5.23 E.4-181 8.6 MILES SE OF SITE GROSS BETA 100 2.5 3.0 2.9 4.2 4G (IteICATOR) O SOLUBLE (55/55) (45/45) (12/12) CONOWINGO DAtt SURFACE-GRAB (1.3-163 El-53 ( 1. 3-16 ) 8.5 P1ILES SE OF SITE I-131 24 N/A .13 .15 .15 6I (Col;TROLI O (2/12) (5/12) (5/12) HOLTWOOD STATION INTAKE-COMPOSITE t.10.151 (.06.22) (.06.22) E.8 F1ILES NW OF SITE AQUEOUS H3 57 1200 217 230 267 6A (CONTROLI O (15/203 (32/37) (3/43 HOLTWOOD DAM HYDRO-ELECTRIC STATION (100-500) (80-8005 (140-4101 5.8 MILES tad OF SITE GAtttA ETOTALI t00 K-40 N/A 29 25 60 4L (INDICATORI O-(6/55) (2/45) (1/12) CONOWINGO DAtt EL. 33 FT. MSL-COMPOSITE t11-603 II9-301 (603 8.6 HILES SE OF SITE 794-5 4 < tel < te L < PW L 0 FE-59 < tel < PE L < tm L 0 CO-58 < tel < IO L < teL 0 CO-60 < tel < PO L < PEL 0 ZN-65 < PE L < FO L < PEL 0 ZRte-95 < PE L < FML < teL 0 CS-134 < te L < PSL < te L 0 MEAN Ate RANGE BASED UPON DETECTABLE MEASUREMENTS ONLY. FRACTION OF DETECTABLE MEAStAFEMENTS AT SPECIFIED LOCATIONS IS IDGICATED IN PARENTHESES. (F)

TABLE III RADIOLOGICAL ENVIRot#1 ENTAL 11DNITORING PROGRAtt At#4UAL SUtttARY ( NAt1E OF FACILITY: PEACH BOTT0t1 GTOMIC POWER STOTION DOCKET NO.s 50-277 C 50-278 LOCATION OF FACILIT.: VORK COUNTY e*A REPORTING PERIO0s 1984 ItOICATOR Cot 4 TROL LOCATIOil WITH HIGHEST REQUIRED LOCATIONS LOCATIONS At#4UAL MEAN tA21BER MEDIt#1 OR TYPE OF F422ER OF MINIt?JM MEAN MEAN NEAN STATION 8 0F NONROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (F) (F) (F) HAME REPORTED (UNIT OF MEASUREMENTI PERFORF1ED PERFORMED LEVEL INOL) RANGE RANGE RANGE DISTANCE C DIRECTION MEASUREMENTS SURFACE WATER GAtt1A (CONT.) 100 'IPC/LITERI CS-137 11 < POL .7 .7 SLL (CONTROL) 0 (t/93 (1/93 PBAPS INTAKE-COMPOSITE E.7) {.7) 0.3 MILES ENE OF SITE BALA-140 9 < HDL < MDL < tO L 0 TH-228 N/A < PO L .5 .5 1LL (Cot 4 TROL I O II/93 (l/98 PBAPS INTAKE-COMPOSITE 15) 851 0.3 MILES ENE OF SITE DISCHARGE WATER GROSS BETA 17 2.5 1.5 1.6 Itti (INDICATOR) 0 (PC/ LITER) INSOLUBLE (12/173 (4/5) CANAL DISCHARGE-COMPOSITE I.4-4.0) 8.7-4.0) 1.0 NILES SE OF SITE GROSS BETA 17 2.5 2.8 2.8 litt (INDICATORI O SOLUBLE I17/t73 (5/5) cat 4AL DISCHARGE-COMPCSITE I1.5-4) It.4-4) 1.0 MILES SE OF SITE AQUEOUS H3 17 1200 267 280 tM IINDICATOR) 0 TOTAL i15/173 (10/12) cat 4AL DISCHARGE E70-6901 (70-6901 1.0 NILES SE OF SITE GAtttA ITOTAL) 17 K-40 N/A 20 20 titt (INDICATORI O It/17) I1/17) CANAL DISCHARGE-COMPOSITE (20) (20) 1.0 MILES SE OF SITE MH-54 9 < PO L < MDL 0 FE-59 18 < tO L < t1D L 0 CO-58 9 < MOL < MDL 0 CO-60 9 < t1D L < MDL 0 ZN-65 18 < F1D L < tO L 0 ZRts-95 9 < PO L < MDL 0 CS-134 9 < t1D L < t1D L 0 CS-137 11 < tO L < t1D L 0 BALA-140 9 < F10 L < MDL 0 TM-228 N/A 5 5 Stet (ItOICATOR) 0 (1/173 (1/17) CANAL DISCHARGE-COMPOSITE ESI (5) 1.0 MILES SE OF SITE MEAN APS RANGE BASED UPON DETECTABLE MEASUREMENTS ONLY. FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS IPOICATED IN PARENTHESES. (F)

TABLE III RADIOLOGICAL EDWIRODRENTAL MONITORING PROGRAN A00ASAL St#0tARY-NAfE OF FACILITY: PEACM 80TTENt ATOMIC PONER STATIIBt 00t*ET NO.s 50-277 C 50-274 LOCATION OF FACILITY: YORK COL 84TY, PA REPORTING PERIGOs 1904 D OICATOR CONTROL LOCATION MITH MIENEST-REQUIRED LOCATIONS LOCATIONS A00ASAL MEAN DERSER DEDERt EN TYPE OF 9429ER OF MINIPRRE MEAN MEAN DEAN STATItN4 0 0F N0per0UTI9E PATHMAY SAMLES ANALYSES ANALYSES MTECTABLE (F) (F) (F) NAME REPORTED El#0IT OF IEASLNEMENTI PERFORMER PERFORMED LEVEL (POLI RANGE RANGE RANGE DISTANCE 4 tDIECTION MEASUREMENTS' . ~.- NELL liATER OROSS BETA 13 2.5 f.3 .7 f.8 1U (DeICATOR) e-(PC/LITERI IN50LimLE (6/93 (2/41 (2/23 UTILITT BUILDING E.7-2.53-t.7 7) I1.1-2.53 0.3 MILES S OF SITE GROSS M TA 13 2.5 t.4 I.9 2.6 1U ( DeICATOR I e. SOLUBLE (7/93 (4/4) (2/23 UTILITY BUILDDE - t.6-3.9) (1.7-2.3) i1.2-3.9) 0.3 MILES S OF SITE AGUEOUS N3 13 1200 21I t33 300 tu - IDeICATORI e I7/93 (4/4) (2/23 UTILITY BUILDING (70-370) (60-2005 (300-3003 0.3 MILES S OF SITE SOIL SR-09 6 WA < leL < PSL < POL 0 iPC/CRArt BRY) BOTTOM SR-89 6 WA < 79L < let < IGL 0 TOP SR-90 6 WA .15 .29 2 (DeICATOR I e BOTTOM (5/6) (2/2) 130 DEGREE SECTOL HILL (.06.31I (.27.311 0.9 MILES SE OF SITE SR-90 6 WA .25 .28 3A (DeICATORD 0 TOP E4/63 (1/23 DELTA, PA SUBSTATION (.12.313 (.20) 3.6 MILES SN OF SITE PEAN ADS RANGE BASES UPON DETECTABLE PEASIAPEMENTS ED8LY. ' FRACTItBI 0F DETECTABLE MEASEREDENTS AT SPECIFIED LOCATIONS IS DOICATED IN PARENTHESES, (F)

TABLE III-RADIOLOGICAL ENVIROD01 ENTAL MONITORING PROGRAM A694JAL SLR9tARY NAME OF FACILITY: PEACH 80TTort OTOMIC POWER STOTION DOCKET NO. 50-277 C 50-278 LOCATION OF FACILITY: TORK COUNTT, PA REPORTING PER100s 1984 IIGICATOR CONTROL LOCATION HITH HIGHEST REtlUIRED LOCATIONS LOCATIONS A694UAL MEAN NutBER MDItM OR TYPE OF I429ER OF MINIMUtt MEAN 91EAN MEAN $TATION 8 0F N0t3POUTINE PATNWAT SAMPLE 0 ANALYSES ANALTSES DETECTABLE (F) (F) (F) NAt1E REPORTED ELMIT OF MEASUREt1ENT) PERFORMED PERFORMED LEVEL tlSL) RANGE RANGE RANGE DISTANCE C DIRECTION MEASUREMENTS SOIL GAtt1A E80TT0ft) 6 iPC/ GRAM DRY) BE-7 WA < MDL < PSL 0 K-40 'WA to 23 5 IINDICATORI O (6/6) (2/2) WAKEFIELD, PA. (4.7-23) (22-23) 4.6 MILES E OF SITE CS-134 WA < FML < ISL 0 CS-137 WA .5 .81 3A (I)SICATOR) O E5/6) (1/2) DELTA PA SUBSTATION E.34.81) (.81) 3.6 MILES SW OF SITE RA-226 WA 2 2.5 3A (ItGICATORI O (6/63 (2/2) DELTA, PA SUBSTATION (1.4-2.6I (2.3-2.63 3.6 MILES SW OF SITE TM-228 N/A 1.6 5 (IFOICATOR) 0 86/6) (2/2) WAKEFIELD, PA. l.37-1.73 (1.4-1.7) 4.6 MILES E OF SITE GAttlA 8 TOP 3 6 BE-7 N/A .5 .9 5 (INDICATORI O (2/63 (1/28 WAKEFIELD, PA. (.1.9) E.9) 4.6 MILES E OF SITE K-40 N/A 15 21 5 (IleICATOR ) 0 (6/6) (2/21 WAKEFIELD, PA. (2.4-21) (20-21) 4.6 MILES E OF SITE CS-134 N/A < let < POL 0 I CS-137 N/A .9 1.2 3A (IFOICATOR) 0 (6/6) (2/23 OELTA, PA SUBSTATION l t.35-1.53 I.97-1.5) 3.6 MILES SW OF SITE l RA-266 N/A 3 3 3A (IteICATOR) 0 (5/63 (2/23 DELTA. PA SUBSTATION (2.2-3.53 (2.4-3.5) 3.6 MILES SW OF SITE TM-228 N/A 1 1.5 5 (IPOICATOR) O (6/65 (2/2) WAKEFIELD, PA. f.12-1.81 (1.2-1.8) 4.6 MILES E OF SITE MEAN Ate RANGE BASED UPON DETECTABLE MEASUREMENTS ONLY. FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS IteICATED IN PARENTHESES, (F)

TABLE III RADIOLOGICAL ENVINtROWITAL MONITORIls PROGRAft A004AAL SLRetARY NAME OF FACILITY: PEACH BOTTOM ATOMIC POWER STATION DOCKET ND.s 50-277 C 50-278 LOCATION OF FACILITY YORK COUNTY, PA REPORTING PERIOD 1984 DWICATOR CONTROL LOCATION WITH NIONEST REQUIRED LOCATIONS LOCATIONS ASSAAAL MEAN PARSER MEDILRt OR TYPE OF 10RWER OF MINIMUM. MEAN MEAN MEAN STATION O OF N0 pet 0LFTIIE - PATHMAY SAMPLES ANALYSES ANALYSES DETECTmBLE IF) iFI tF) NAME-REPORTED ttP4IT OF MEASUREMENTI PERFORMED PERFORMED LEVEL If9L) RANGE RANGE RANGE DISTANCE C DIRECTION. MEAStetEMENTS ---. ~ ~.-- --.. MILE I-835 316 0.6 .15 < rmL .18 G ( D eICATORD 0 EPC/LITERI (11/1983 (7/38) NEARST FARM G t.07.43) (.08.433 WEST OF CONOMINGO PODS AGUEOUS N3 16 WA 198 223 260 C (CONTROLI e MILK (5/83 (6/8) (3/43 DISTANT FARft C t90-280I i160-3301 (210-330) WEST OF CONOWI950 PENS AGUEERf5 N3 16 WA 230 253 297 C tCONTROL) 0 MATER 85/81 (6/83 13/43 DISTANT FARM C i110-320I (180-380I I240-380I WEST OF CONOWINGO PODS SR-89 4 WA <99L <99L 0 SR-90 4 WA 2.5 2.5 J (IteICATOR) O E4/4) (4/4) NEARBY FARf1 J t.8-5) E.8-5) WEST OF CONOMINGO PODS GAfRu 4 K-40 N/A 1425 1425 J IIPeICATOR) e I4/43 (4/4) NEARBY FARM J t1200-1500) 81200-15003 WEST OF CONOMINGO Pole CS-t34 10 < POL < PGL 0 CS-137 10 < PC L < feL e BALA-140 9 < ISL < ISL 0 AIR IODINE I-l31 394 0.04 < PSL < POL < fWL 8 (PC/Ctl. METERI DIRECT RADIATION TLD If9AD/STO. MONTN) MONTHLY 537 WA 6.7 6.4 8.3 42 (DOICATOR D 0 1454/4541 183/83) (12/123 POPEL 43.1-9.6I I4.5-9.7I (7.1-9.63 4.2.IILES 1984 0F SITE GUARTERLY 178 WA 6.4 6.4 7.99 42 (DeICATOR) 0 1151/1511 E27/27) t4/4) IWEL i3.2-9.2) t4.6-8.33 I7.5-8.41 4.2 MILES 6804 0F SITE MEAN ADS RAMEE ma<ra UFON DETECTABLE MEAStsPEMENTS ONLY. FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIES LOCATION 5 IS IleICATES IN PARENTHESES. (F)

772 1 522 61i 9 712 92

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07 1 014 42 2 48/10/90 1 8 91 33 4 f< 48/40/80 31 6 71 i 62

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4 < 48/30/60 07 1 041 2 21

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48/11/20

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==..... _===----- ___................. LATOT ELBULOSNI ELBULOS ELBULOSNI ELBULOS ETAD EDOC 3H SUDEUQA ATEB SSORG ATEB SSORG AHPLA SSORG AHPLA SSDRG HDITCELLOC HDITATS )RETIL/CP( NOITARTNECHOC SELPMAS SARG RETAM ECAFRUS ROF ATAD LACITYLANA VI ELBAT

TABLE IV ANALYTICAL DATA FOR SURFACE WATER GRAB SAMPLES (CONTINUED) CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS ALPHA GROSS ALPHA GROSS BETA GROSS BETA ASUEOUS H3 CODE DATE SOLUBLE INSOLUBLE SOLUBLE INSOLUBLE TOTAL 13A 01/07/84 2.6 i .5 2.2 i. 7-02/11/84 5 1 1 .5 03/03/84 3 2 1 .6 1 .4 270 1 70 03/31/84 5 ! 1 1.1 2 .7 05/06/84 1.8 1 .8 .8 1 .7 06/03/84 2.1 1 .5 .9 1 .4 140-t 60 06/30/84 2.8 i .9 1.5 t .7 08/04/84 1.6 2 .9 .5 09/01/84 2 1 1 1.8 i .7 100 1 70 09/29/84 4 ! 1 .3-10/27/84 4 1 1 .5 12/01/84 4 1 1 1.5 1 .7 < 80 MEAN 3.2 2 2.4 1.0 1 1.2 148 2-171 135 (1) 02/08/84 2.1 i .8 2 1 1 03/15/84 3 2 1 .7 2 .4 04/09/84 2.7 .8 2.7 1 .9 05/14/84 3.2 .6 7.7 i .8 06/07/84 1.3 2 .7 1.4 i .7 11/20/84 4 1 1 3.9 t'.9 12/03/84 3.0 .5 2.3 1 .4 MEAN 2.8 2 1.7 3.0 1 4.6 MEAN ALL STATIONS .8 2 .5 1.0 1 2.2 3.2 1 3.8 1.9 2 5.7 215 1 226 (1) SAMPLE IS COLLECTED ONLY WHEN PUMP OPERATES

o M O O in Z ' O O OOO DOO O O O O O O O O J t b EO P W M b *= ** O b N 4 i a a e O m >= ' +t e= +t = +1 +l +t *= O +1 +1 +1 +t +1 O O O +1 +6 +6 O +t

== +1 +1 +1 +1 O

== w wb b e ao e- = w >= i D i V V V V V O I O O OOO OOO

== ' O O O O O O O O C 4 i M N MMO moo O M O O b O M N b I e= N M e= N e= M M N N N

== th M w= e=

== e= b 4 O O O e. e= J e e M4 4 th 4 O O O th e= W G O +t O

== 0 O O N== O +1 O +1 eO ew M 0"= l V V V V V V V V V V l O nn C i e= e= 0, i e l l N (W 3 =J @@b b@@b e b M N WO N N gg 3 a mm m en =J in== @== +4 +t +t== +t +t +6 +t +t 4 +t +1 in +1 LA LA LA

== 4A en O 8

• w
• =

w w - 4 +t +4 M th 6 O2 0 V V V V V V V V V V N. O 4 O. C. b O. GA.

• =.

G. Eg M 6

== M. gn o e e w e LA e= e=

= - * = =.

4 w

== .J CL 5 4. M. N. b 4 LaJ.J i== N e= ea

== ee=*=,=e==== w gg m i m m

== >= 3 i +1 *= +4== +1 +t +1 e- +1 +1 +t +1 +1 +t +1 +1 +t +1 +1 +1 +1 +1

== +t +t +1 +t M e.J i = w w In MO i O OM (L C1 4A. in. O = e 4 4 C. M. r O e e e e e e O N N NO= M M LA M N M = N e= N

• = **

M N N M N N O I EE 4 e Ih I 16.ad w J B >= N. 4 Jga 3 4.J 0 M. +1 O. RA. M. 4 4 M. M.

== M. N. +1 +t .J B gaJ moe e U OQ$ 4 0 8 V V V V V V V V V V w ** ty M i M tz w I M. 4 6a e e. b= M .J 4 .$ Em O. .J =J 4w 4 $0 >= 3 i +t b. b. th. b 4A. nn. 46 e= 4* e _J t e

== e.

==e.

== oB in o i M 00 V V V V V V V V V V V .J>= C[ aE at w P= U tz M P= >= 2 O O O O O O O O O O O SA 2 O O O O O O O O O O O O O O O O O O A O O O O $A SA >= nas e 40 m e @ 40 40 40 eO C e O at e ao O O O e0 O EO C 4 e e0 40 40 eO 40 c 40 C e0 80 @ 40 so so % NNNNNNNNNNNN W NNNNNNNNNNNNNNNNNNNNNNNNN W =J Q D O LA O N N M== N O @ *= O E==== M M==== @ @ M M O O O O a= e= @ @ 4 h N e= e OO E $. b

== N M O N O M O N N N O

• • == O O M M o O O O M M O O O O fJ N *= N N O O O O M8 NNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNN 4du

>= UM N M M @ @ O O @ P O==== N N M M M M LA 6A @ @ @ @ 80 O P P P P O O O N N== ** Ind EE O O O O O O O O O==== O O O O O O O O #3 O O O O O O O O O O====== e= a= OO me end

M O LA O N N M = b C 4==

b 4 a= 4A M O w @ @ 4 M M O @ 4 W e= M @ 4 e= b LA== @ e e t 0 0 e t e e I i e 6 e e e o e e t e I e e a e 6 e o e e e t I a e e =J th Q . D *= N M O N O M O ed tJ N O O e= N O N M N O N O N M N O td O N N e N N tJ O N NNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNN U i I N N M M 4 4 O O @ P O a= e= N N N M M M O &n LA @ @ 0 N C O Ck Ch & O O O== N N 8 O O O O O O O O O O==== O O O O O O O O O O O O O O O O O O O========== em M- .a >= 0 . =J .J E 4O .6 4 at >= U i e. >= i

.s

q 8 e_,eiee i

ee Es g".v v

v S -: : :

1 e -.~. ~.. u I C 2 2 8 8 hlI E-3 3 $ '38 $$$$ $$ $ E ~"" v v v v v v l t. t. C. $. ".. v i 2 5 llI l

• 9 9

9 2

• -9 l

9 s.. 9:... 9 s. -E: E v v v v v 8" 7 7 9 s. y g l5 2 3 9 .g IhR 9

• 9 1

7 i. 4 5 9 I .8 95*.9 9 9

• a 9*

.o y_gg;w v v v v v v v v v ge 4 9 s t I c = -Q!s! 5" s m s <s: .U a e .g s,. v v v v v v v v v v v v v i: 8 ~ E I u. EE

$$$$$$$$$$$$$$$$$$$$$$$$2 E N

Ioga 222 >> >>=a g

1. 8 L R R $. $.$ $ g g >R R R R 5. g g d a > > = = > > g g

[ gsj"R"RRR*ss W s)338 .3.

"2""E3 5

"b AJaaA4aaj4AAAAagaa44aA444 t E s :::$$RsR*RR*R. 1==

tt"RRRRRRR$

• RRRR

= 3

- ;u.

s n l 4 U U" E U e .s 2,

• r 6

a

s TABLE VI CONCENTRATIONS OF GAMMA ERITTERS* IN SURFACE WATER-IN THE VICINITY OF PEACH BOTTOM ATOMIC POWER STATION, 1984 Results in Units of pC1/f t 2 sigma GRAB SAMPLES Sample Dates STATIGN NU BER l-07-84 2-11-84 3-03-84 3-31-84 5-06-84 6-03-84 6-30-84 8-04-84 9-01-84 9-29-84 10-27-84 12-01-84 IQ ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL K-40 19t7 ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<hDL ALL<MDL Others<MDL 4F ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL K-40 60210 ALL<MDL 'ALL<MDL ALL<MDL K-40 1618 ~ Others<MDL Others<MDL 4G ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL' ALL<MDL ALL<MDL 6A ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL K-40 30t10 'ALL<MDL .ALL<MDL Others<MDL 13A ALLCMDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL A11<MDL K-40 1126 ALL<MDL ALL<MDL ALL<MDL ALL<MDL Others<MDL 13B(1) (3) ALL<MDL ALL<MDL A11<MDL Al1<MDL K40 1126 (3) (3) (3) (3) ALL<MDL K-40 13t6 Others(MDL Others<MDL COMPOSITE SAMPLES Sampling Period 1-07-84 2-11-84 3-03-84 3-31-54 5-06-84 6-03-84 6-30-84 8-04-84 9-01-84 9-29-84 10-27-84 12-01-84 STATION to to to to to to to to to to to to NUMBER 2-11-84 3-03-84 3-31-84 5-06-84 6-03-84 6-30-84 8-04-84 9-01-84 9-29-84 10-27-84 12-01-84 01-04-85 ILL(2) ALL<MDL {6) Cs-137.72.4 (6) (6) ALL<MDL ALL<MDL A11<MDL A11<MDL Th-228 5 3 A11<MDL ALL<MDL Others(MDL Others<MDL 4L(4) ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL A11<MDL ALL<MDL A11<MDL ALL<MDL-K-40 60t20 Others<MDL 6I(5) ALL<MDL ALL<MDL ALL(MDL ALL<MDL ALL<MDL A11<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL For typical minimum detectable levels of nuclides searched for and not found, see Table XXVI. (1) Sampling dates for station 13B =ere 2/08/84; 3/15/84; 4/09/84; 5/14/84; 6/07/84; 11/20/84; 12/03/84 (2) Sampling dates for station ILL mere 2/03/84-2/10; 3/25-3/30; 6/02-6/22; 6/22-8/03; 8/03-8/31; 9/07-9/28; 9/28-10/26; 10/26-11/21:11/21-1/04/85. (3) Sample is collected only when pump operates. (4) Sampling dates for station 4L were 10/14/84-10/27/84 (5) Sampling dates for station 61 were 6/03/84-6/23/84 (6) No sample due to pump malf unction.

TABLE VII ANALYTICAL DATA FOR DISCHARGE WATER GRAB SAMPLES CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS BETA GROSS BETA AQUEDUS H3 CODE DATE SOLUBLE INSOLUBLE TOTAL 1M 01/07/84 2.4 i .9 .5 < 70 02/11/84 3 1 1 .4 i .3 170 1 60 03/03/84 1.5 i .9 .3 180 1 60 03/51/84 2.5 .9 2.1 i .6 150 1 70 05/06/84 1.6 i .8 1.0 t .7 110 1 70 06/03/84 1.7 .5 .6 i .4 340 90 06/30/84 3 1 1 1.6 2 .7 190 1 70 08/04/84 4 1 1 .9 1 .6 < 80 09/01/84 3 1 1 .5 500 1 100 09/29/84 3 ! 1 2.1 .7 400 1 100 10/27/84 4 2 1 .5 70 1 30 12/01/84 4 1 1 2.4 i .7 690 ! 80 MEAM 2.8 1 1.8 1.1 1 1.5 246 1 393 TABLE VIII ANALYTICAL DATA FOR DISCHARGE WATER COMPOSITE SAMPLES CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS BETA GROSS BETA AQUEOUS H3-CODE PERIOD SOLUBLE INSOLUBLE TOTAL 1MM 01/07-02/11/84 (1) (1) (1) 02/11-03/03/84 (1) (1) (1) 03/03-03/31/84 (1) (1) (1) 03/31-05/06/84 (1) (1) (1) 05/06-06/04/84 (1) (1) (1) 06/04-06/22/84 2.3 i .9 .7 2 .6 240

80 06/22-07/20/84 (1)

(1) (1) 07/20-08/03/84 2 2 1 4.0 i .9 210 70 08/03-09/19/84 (1) (1) (1) 09/19-09/28/84 3 1 1 .7 .6 410 90 09/28-10/26/84 4 ! 1 1.1 .6 110 1 30 10/26-12/31/84 (1) (1) (1) 12/31-01/04/85 1.4 i .9 .5 240 1 80 MEAN 2.5 1 2.0 1.4 1 2.9 242 1 216 i (1) NO SAMPLE DUE TO PUMP MALFUNCT OH

-,n- +-x. .,_. ',,.Q,

2.-

s,e. -q,. + , mc y,f,d e s "l50 + / g

TABLE,1X s

CONCENTRATIONS OF GAMMA EMITTERS

• IN DISCHARGE WATER.

~ lN THE VICINITV 0F PEACH BOTTOM ATOMIC POWER STATION, 19841 'r GRAB SAMPLES y Sampling Dates ~~ .5TATION ~ NUMBER 01-07 '02-11-84 03-03 03-31 05-06-84 06-03-84 06-30-84 08-04-84 '09-01-84 09-29-84-' '10-27-84' 12-01-84 lil: ALL<MDL 'All<MDL ALL<MDL-ItL<MDL ALL<MDL ALL<MDL ALL<MDL 'ALL<MDL', 'ALL<MDL ALL<MDL

ALLdM'DL

' K-40 2'Ot10' 'Others<MDL' COMPOSITE SAMPLES l SAMPLING PERIOD 01-07-84 02-08-84 03-03-84 03-31-84 05- %-84 06-04-84 07-20-84 08-04-84 09-19-84 09-28-84 10-26-84 12-31 l STATION to to to to to ' to to to- . to to' 'to. to l NUMBER 02-11-84 03-03-84 c03-31-84 05-06-84 06-03-84 06-22-84 08-03-84 09-01-84 28 10-26-84 '12-01-84: 01-04-85 l IMM (1) (1). .(1) (1) -(1) ~ALL<MDL A11<MDL" .(1) ALL<MDL Th-228 Sil.. .- (1). ' Al l<MDL' Others<MDL For typical minimte detectable levels of nuclides serarched for and not.found..see Table XXVI. l (1) Sample not collected due to sampler malfunction-L- ~ -t

TABLE X ANALYTICAL DATA FOR WELL WATER SAMPLES CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS BETA GROSS BETA AQUEOUS H3 CODE DATE SOLUBLE INSOLUBLE 1U 01/07/84 1.2 .7 1.1 1 .6 300 1 70 03/31/84 3.9 1 .9 2.5 1 .8 300 1 100 06/30/84 (1) (1) (1) 09/30/84 (1) (1) (1) MEAN 2.6 1 3.8 1.8 1 2.0 300 0 -1V 01/07/84 .8 i .6 .5 70 1 60 03/31/84 .6 1 .6 .9 1 .4 120 1 80 06/30/84 .3 .5 120 t 90 09/30/84 (1) (1) (1) MEAN .6 1 .5 .6 i .5 103 58 7 01/08/84 1.7 1 .7 .7 1 .6 60 1 60 04/02/84 1.9 i .8 .7 1 .4 100 1 80 07/01/84 1.8 1 .8 .5 170 1 70 09/30/84 2.3 1 .9 .3 200-t 100 MEAM 1.9 i .5 .6 .4 133 1 128 40 01/08/84 .7 .6 .5 < 90 03/31/84 1.3 2 .7 1.6 1 .7 200 1 100 06/30/84 1.2 1 .7 .7 .5 370 t 80 09/29/84 .8 .9 i .3 <-100 MEAN 1.0 t .6 .9 1 1.0 190 1 260 MEAN ALL STATIONS 1.4 1 1.9 .9 1 1.2 169 1 199 I l (1) NO SAMPLE AVAILABLE l l t l I l i i )

TABLE XI ANALYTICAL DATA FOR PRECIPITATION SAMPLES STATION COLLECTION VOLUME GROSS BETA GROSS BETA CODE PERIOD (ML) (PCI/ LITER) (PCI/SS.M) 1A .01/07-02/11/84 1000 5.4 2 .9 170 1 30 02/11-03/03/84 2500 1.8 i .8 140 1.60 03/03-03/31/84 2300 3.6 i .9 260 60 03/31-05/06/84 3700 5.1 2 .9 600 2 100 05/06-06/03/84 2500 3.3 1 .5 250 1 40 06/03-06/30/84 4000 2.0 t .7-250 1 80 06/30-08/04/84 7000 1.5 i .7 300 2-100 08/04-09/01/84 2200 2.2 i .8 150 2 50 09/01-09/29/84 1650 5.0 t .9 250 1 50 09/29-10/27/84 2500 1.8 .7 140 1 50 10/27-12/01/84 2610 3.5' t .9 280 't 70 12/01-01/05/85 1580 4.0 2 .9 200 1 40 MEAN 3.3 2 2.8 249 2 248 8 01/07-02/11/84 900 7 1 1 180 1 30 02/11-03/03/84 2000 3.2 1 .8 200 2 50 03/03-03/31/84 2900. 2.6 i .8 240 1 70 03/31-05/06/84 3100 3.7 .8 350 t 80 05/06-06/03/84 3000 3.6 i .5 330 1 50 06/03-06/30/84 2500 2.6 1 .7 200 1 50 06/30-08/04/84 5000 1.1 i .6 160 1 90 08/04-09/01/84 250 30 1 5 230 1 40 09/01-09/29/84 450 7 1 2 100 1 30 09/29-10/27/84 400 14 1 3 170 i 30 10/27-12/01/84 1580 17 ! 2 840 1 80 12/01-01/04/85 -2000 13 1 1 780 2 90 MEAN 8.7 1 16.9 315 1 483-MEAN ALL STATIONS 6.0 1 13.1 282 1 382 i i l n-- --,.-v c.,.,- re.. - -. +. --e , -. - -, - - -, - - ~ - - y + ---v t er- - - ~ -se

TABLE XII CONCENTRATIONS OF GAMMA EMITTERS * (PCI/ LITER) IN PRECIPITATION IM. Tile VICIMITY OF PEACH BOTTOM ATOMIC POWER STATION, 1984 STATION COLLECTION PERIOD MUCLIDE 1A 8 1/07-02/11/84 BE-7 68 1 8 70 1 10 OTHERS < MDL < MDL 2/11-03/03/84 BE-7 40 10 31 ! 5 OTHERS < MDL < MDL 3/03-03/31/84 BE-7 32 8 36-i 8 OTHERS < MDL < MDL 3/31-05/06/84 BE-7 60 1 10 30 ! 11 OTHERS < MDL < MDL 5/06-06/03/84 BE-7 < 10 < 10 OTHERS < MDL < MDL 6/03-06/30/84 BE-7 23 1 9 28 1 6 OTHERS. < MDL < MDL 6/30-08/04/84 BE-7 < 5 < 4 OTl!ERS < MDL < MDL 8/04-09/01/84 BE-7 18 1 7 14 i 6 OTIIERS < MDL < MDL 9/01-09/29/84 BE-7 35 i 9 40 1 20 OTHERS < MDL < MDL 9/29-10/27/84 BE-7 17 ! 8 < 4 O Tile RS < MDL < MDL 10/27-12/01/84 BE-7 20 i 10 18 1 9 OTHERS < MDL < MDL 12/01-01/05/85 BE-7 30 1 9 26 19 OTHERS < MDL < MDL MEAN BE-7 30 1 40 23 1 39 OTHERS < MDL < MDL FOR TYPICAL MINIMUM DETECTABLE LEVELS OF HUCLIDES SEARCHED FOR AND HOT FOUND, SEE TABLE XXIII. i 1

1.. -1 + . T A B L E, X'I I I ; ' ANALYTICAL DATA FOR AIR PARTICULATE SAMPLES CONCENTRATIONS OF-GROSS BETA RADI0 ACTIVITY (PC/CU. METER) -1984' ' PEACH BOTTOM LOCATIONS t - WEEK: WEEK '8 tz: 4A 8 1Z 4A r '1 .026. t'.004- .026' i.004 27.017 1.003 .013 2.003 21 021 i'.004 .~014 .i.003 28.020 i.003 .017 2.003 3.034 1.004 .028 1.004 29.016 1 004 .018 .2 .004 -4 .020-: 1. 003 .023 i.004 30.011 1*.003 .011 t.003 .5 .019 i.004. .009 i.003-31.017 i~.004 .022 i.004 61.017. 2 003 .012' i.003 32.026 i.004 .023' 2.004- '7-.010 'i.003 .012' it.003 33.020 i.004 .026 i.004 8.017 't .003 .017 't .004 34.013 i.003 .014 i.003 . ;; 9.013 1.003 .005 i.003 35.022 i.004 .018 i.003 u10.016 i!.004 .010 1.008 36.018 i.003 .016 1.003 11.018 i.003 .016 .003 37.004 i.003 .018' i.004 g .12 :.010; i.003 .010 i.003 38-(1) .017 i.003 '13.009 1.. 003 .011 i.003 39 (1) .020 t.004 14.008: i.001 .010 2.003 40.020 i.004 .020 t.' 0 0 3 15.007 i.003 .010 t.003 41.020 1.004 .025 i.004 16.008'.i.003 .007 i.003 42.019 i.004 .019 i.004 11 7.012 :t.003 .010 1.003 43.017 i.004 .021 i.005 18.015 1.003 .016 1.003 44.019 2.003 .017 2.003

19. 009-i.004

.011 i.004 45.016 i.004 .018 i.004 -20.013 1.004 .014 i.004 46.015 i.003 .013 i.003 21 018-i.004 .017 2.004 47.019 i.004 .020 2.004 22.011 i.003 .012 i.003 48.028 i.005 .024 i.004 ~23.030-.i.004 -.030 i.004 49.023 i.303 .025 i.004 24.025 11 '.004 .025 i.004 50.044 i.005 .038 i.005 25'.014 i.003 .014 i.003 '51.027 i.004 .022 i.004 26.016 .1 .003 .016 i.003 52.024 i.004 .021 1.004 MEAN.018~ i.015 .017 1.013 '(1) PUMP OUT OF SERVICE [

9,. 4A tA 4A me e e *

• M 5t

. e* W t.M E e== o V I

• e 4

49N M. G t O== G O N N I ef

== O e t +t e +0 e oWN e e N NIe N - N N 9wv' e= v

==== I e eO=., O. O N N s

• N

+t o +t e o >= 0 N N l O

== N t sa v Oy

== e= 0

• e

= e= w( f IM N e eB O O N N I

• N
• M eO4

. N >= o ' +t a. +t o N N e== i O. y i N

== v O

== g

• m eowf 48b N

ew G BC O N N 8 =4

• em

-OetNo Ho O >= N e N N I N M e e3 o= y e= v e eI e 4 @ $N M e G 8 o= O N Nt *

• 4 e O = t +t o

+t O N >= O 9 N N 4O N 4 h et *= v =v e O et

• N4o f

f6N N N e eD 9e O

== N N ii

• N e==

== OOell M M p-N - +t e +t o O W N N i O e >= t= N i== y Oy 4 O O I

• f 8

e M $ $SN M8 N to. . in N 6-ee MOO 4e e +t o e 4* O >= M e R-e- E-N N M. d O i o wy w = g ET O e i ey e MO O 4M W >= 4 4 l N M Z f 24 e el'O O O e M 9= N N ' +t o +t o 4 4A

• N
• N k

N M eOM i a N >= 0 i O W

== M. y Ek N N i M N e e i.= v M o o O f O N 4 e'NM 4 e =J N N >= MU e uM N N . o. o.

• e f

iL E -O& +t +0 +4 e e wO M >= N 9 N >= N N eee e

== $4 M d BeO oy b e M e oe *

• O N

RE e WD M o t= 9-

1. BN M

J > = > = G G BC O W W MO N N I

• N eN k

E so M O - t +t o +t e W W W O t= M e J 2 2 N N 0e O 4u M M eOy

== v WM N 4 O o8 e =A M

== W eM L 4M Z o 4 4 8M

== p-X O 4 e e0O O U M ED N N f

• M
• = =

WW >= 0 av O M S +t o +t o >= J 4 N t= o e WG M t= N N P b O4 M ZM

== M oy ay >= 3 0Z o e e = MM W D >= U W b 4M M 4 8M

== MM g De e e4 O o Z M >= N N I e in

• BA M =

W ZW

== O e t +t a +1 o E >= WZ M >= N 4 gr N N O e a O N -v ov 4 62 e= o e a uw W uM M >= W i Sk to M o i >D >= Z M i J l NO bO I O f 8 4 SQ i W 4 W e O ' SM eM b4 U il R 0 a 9 W MW e =A t-O t

4. u 9 N O I g3 9

4 4 t= M e e= f

Y 6 + r TABLE XVf . ANALYTICA(. DATA FOR AIR ICDINE SAMPLES ~ ~ CONCENTRATION OF I-131 (PC/CU. METER) ' 1984' GROUP I' GROUP II GROUP III MEEK'_ -------------------------------- 8. ;,. ;18 - 'tZ 2-3A - 5 68 14 120 .li <. 03 ~<.03 <.03 <.02 <.01 <.02 '<.01 .c.02-2 -<.02 <.02 <.02 -<.01 <.02 <.02 '<.01 <.03 3-n<.01 <.01- '<.02 <.01 <'.009 .C.01. <.01 <.01 ,4 i<.02 <.02 ~<.02 <.02 < ~.01 <.02 <.02 <.02 <.02 <.03 . <. 02 - < 01 - '<.009 <.009 <.02-5. (. 02 - f7 -<:.01- .<.01 <. 02 ' <.01 <.006 , <.01 <.01 <.01 6 <!.02 '<.02 ~<.02 <.02 <. 01. <.02 <.02 <.02 8 <.St . <.009- <.01 <.01 <.01 <.01 <.01 ('.01 '9- < -.02 ? <.02.- <.02 <.02 <.01 . <.02 <.02 <.01 10 - :<.03- '<.02~ <.01-(t) <.02 - <.02 <.02 <.02 111. ' <.02- <.0l' .<.02 (l) <.02 <.02 <.01 <.02 12' <. 02 - <.02 <.02 -(t) <.02 <.01 <.02 <.02 - 13 '.<.02 c<.02 <.03 (1) <.02 <.02 <.008 <.01

14. "<.03

('.03 .<.03-' (1) <.02. <.01-

<.02

<.02 -15 4.02. <.02- <.02 <.02 <. 01 ~ <.02 <.03 <.06 116 <.021 '<.02. <.02 <.02 .<.01 <.02 <.01 (1)

17 ?

-C'.008: 4+ ' <.006 <.008 ' <.006 ' <.006- <-.02' <.02 <.05 18 - <.02 <.02 <.02 -<.02 <.01 <.02 <.02 -<.01 19- .<.01- <'.01 <.01 <.01 <.02 <.02~ <.01 <.02 20~ <.02~ <.02 <.01 <.02 <.02 <.02 <.02 <.02 21. <.02 <.02 <.02 <.02 <.01 '<.02 -<.02 <.02 22- '<f.01 '<.01 .<.01 <.01 <.008 <.007 <.003 <.03 2 23 <.05- -<.03 <.02. <.02 <.02 <.02 <.01 <-.04 th (Il (.02 <.02' <.02 <.03- <.01 <.03 <.02 - 25 '_ -(t) <.02 -<.02 <.02 <.02 <.02 <.01 <.01 26 -- - (t) ' <.02 <.02 <.02 <.01 <.01 <.01 <.01 . 27 !<'.02 <.02- '<.01 <.01 <.009 <.02 <.02 <.02 28 < 03 .<.02 -<'.01 <.01 <.01 <.01 <.01 -<.02' 29- <.01 <.0f <.01 <.01 <. 01. <.02 <.03 <.01' 30 <.02 <.01 <.02 <.02 <.02 <.01 <.009 <.02. -..<.03 <.03 <.03 <.02 <.01 <.01 <.02 <.01 32 -<.04- <.02 <.02- <.02 <.01 <.02 <.03 <.02 334 -(t) <.03' <.03 - <.03 (t) <.02 <.0I <.02 ' 34 4.02 <.01 <.01 <.01 <.01 <.01 (.006-(.01 35. -(.01 '<.01 <.01 <.01 <.01 -<.01 <.01. < 006 36 <.02 -<.02 <.02 <.02 <.01 <.01 <.01 <.02 -37' . <.02 <.03 <.02 <.e2 <.01 <.01 <.01 <.02 238 <.02' til <.02 <.02 <.02 <.01 <.01 <.03 39~ -<.02 (t) <.02 <.02 <.02 <.02 <.02 (1)

(0

<.01 <.02 <.01 (~.01 <.009 <.01 <.01 (1) . ' 41 ' '<.02 <.02 <.02 <.02 <.01 <.01 <.01 <.01' 42 -<.02 <.02 <.01 <.01 < . 01 <. 01. <.01: C.02 43 ~<.02 <.02 <.02 <.02 <.008 <.02 <.02' <.01

44

-<. 02 <.006 <.02 <.02 <.02 <.01 <.006 <.01 ?5c ' < 02 <-.02 <.009 <.01 <.01 <.02 <.02 <.01 46 <.01- <.01 <.01 <.01 <.01 <.02 <.02 <.02 C7. - : (.03 <.03 <.03 <.03 <.C'. <.04 <.04 <.01 48 ,<.02 <.02 <.01 <.01 <.01 <.01 <.01 <. 01 ~(9 -( 2 ). (2) (2) (2) (2) (2) (2)~ <.08 -5t' -C'.03' ' <.01 <.08 <.01 < '.008 <.02 <.02 <.01 .50 <.01 <.03 <.03 <.03 <.02 <.03 <.03 <.01 152 < 1< . 02 - <.02 <.02 <.02 <.009' <.01 <.01 <.01 NEANt <-.020 <.019 <.018 <.017 <.013 <.016 <.016. <.018 -(li?PUNP OUT OF SERVICE

(2) : Sull'tE LOST Ill SHIPPING

I, 36534734573444336354443453323654333333 4 00000000000000000000000000000000000000 0 O 43565764555444446354547454333565433333 4 00000000000000000000000000000000000000 0 0 00 8 N R _ 0110 1 98 1 E TA 9 6 W 00 0 1 6 3 1 2 1 3 6 4 4 4 J 0 0 0 0 0 M 0 00 6 88 1 K.0I10 L I 8 5 M 0 0 3 7 3 3 4 03 1 0 0 0 0 0 = 92 1 L 0 0 000 9 = R 71 7 1 6333 4 E 0 0 - T 0i12 i 0000 = - A 1 W 455348643554554454455445544346 4433 000000000000000000000000000000 iii0000 000 0 206 2 J 322 2 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<9107<<<< 5 G 0110 0 0 696 000 6 1 - K 0 - L 0i1 1 4445434 4 I t 0000000 1 M 000 0 5554457535446444446A644663 4534 863 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.i i i 2 1 1 i 0 0 0 0 212 1 G <<<<<<<<<< < < < < < < < < < < < < <<<<<6714358<<<< 7 111410 1 0 0 0 0 00 6 R 89 2 1 E T 1012 i A 7 W 0 00 0 3 7 5 3 5 ) 7 84 4 0 0 0 0 0 R 2 32 2 E C-E I T L 0 / 0 00 2 C 8 78 2 P - K ( L 1011 1 I 6 3 M 37564655353454335455444453533943333443 4 H 00000000000000000000000000000000000000 0 0 00 0 S 4 31 1 ) D U 2 32 2 R O SE E ET U LI Q 0 PL A 0 00 3 M/ R 9 77 1 AC F E 0 SP O - T 10i1 i 33454554555343335445744463333443333353 4 - A 1 I K 00000000000000000000000000000000000000 0 S W L1 N I3 C O 0 00 0 M1 I 5 08 8 T 2 21 1 RI A A O R FF T O N 0 O E 0 00 1 TS C 8 66 1 AN 33655774443353335445555534434554433443 4 N K DO 0 0. C. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O L 1011 I C I 9 LT B - M AA CR 0 00 0 IT 2 86 6 TN 2 1 1 1 YE LC N AN O 4444 N NO I 8888 A AC 33574544544354337446644435334464333443 4 TE / / // E 00000000000000000000000000000000040000 0 CT 9337 M EA 1 101 A LD //// L 3892 O 0001 C N I O 44444444444444444444444444444444444444 N V I 88888888888888888888888888888888888888 A X TE ////////////////////////////////////// E CT 30929630741 8418529630630730741 85295297 M E EA -- 221 001 2301 2201 1 2001 230t 2201 1 2001 2201 1 1 LD.1////////////////////////////////////// L B L 234444455556666777778888999900000t t 1 2 A O .00000000c000000000000000000001 1 1 1 1 f f 1 1 T C

k y TABLE. XVII ANALYTICAL DATA FOR MILitI 5 AMPLES. CONCENTRATI0M5 0F'I-131 CPC/ LITER) COLLECTION 1 NEARBY FARMS INTERMEDIATE FARMS DISTANT FARMS ~DATE' (G.J,0).

(D.L.M,N)

(A.B C.E) ALL FARMS 01/23/84 <.04 .04' ~<.03 <.04 -02/20/84: .05' <.05 <.03 <.04 ,03/19/84 <.05 -<. 04 '<.05 <. 04

04/02/84'

.<. 03 -<.06 .06' <.05 04/09/84 .04- <.05 <.04 <.04

04/16/44'

<.07: - <.07 <.06 <.06 '04/23/84'> ~< .05. <'.06 <.05 < 05 '04/30/44 <.04 . <.05 <.04 < ~.04 '05/07/84~ . 0 4 '- <.04 <.05 <.04 .05/14/84 .06- <.05 <.04 <. 05 05/21/84 04~ <.04 .04- <.04 .05/28/84 04~ <.04 <.03 <.04 406/04/84 <.05 .05- <.05 <.05 06/11/84' <.04 <.04 <.03 <.04 06/18/84 <.' 0 4 <.04 .<.03 <.03 06/25/84 <.04 <.04 <.03 ' <. 03

07/01/84-

.<;.05 <.06 <.06 <.05

07/09/84

<.04 <.04 ..<.04 <.04 07/16/84 ~ .05' <.05 <.04 .05' 07/23/84 <. 05: <.05 <.05 <.05 ,07/30/84~ .05- <.05 .06- <.05 08/06/84' <.04 <.04 <.04 <.04 '08/13/84 <-.04 <.06 <.05 <.05 08/20/84' .<.05 <.04 <.04 <.05 08/27/84 <.05 <.05 < ;04 <.05 09/03/84 <.03 <.04 <.04 <.04 09/10/84 <.06 <.04 <'.03 <.04 09/17/84. 07 2.16 <.03 .<.03. .05 2 .09-09/24/84-.08 i.16 .03' <.04 .05 1 .'10 10/01/84 .08 2.06 <.07 <.' 0 4 .06 1.05 10/04/84 .09 1.09 <.05 <.05 .07 2.07 10/15/84-.19 -t .42 <.04 <.04 .10 t.27 10/22/84 .09 i.12 <.04 <-.03 .06 2.09 10/29/84 .06 -t .05 <.03 <.03 .04 1.04 11/05/84 <.04 <.03 <'.03 <.03

11/12/88-

<.04 <.04 <.04 <.04 11/19/84 <.03 <.04 <.04 <.04 .12/17/84. .03- <.03 <.03 -<.03 ~ (,

f p

4q l ..c TABLE XVIII CONCENTRATIONS OF'Sr-89, Sr-90 and GAMMA EMITTERS

• IN' MILK:

IN THE' VICINITY OF PEACH-BOTTOM ATOMIC POWER STATION, 1984 Results-in Units of pCi/E i 2 sigma: ~ NUCLIDES FOUND STATION SAMPLING NUMBER DATE Sr-89 Sr-90 K-40 - Cs-137 3 2.7i.6 1500i200 <2 J 03/19/84 08/13/84 <3 Sil 1500*200 <2 09/03/84 <2 1.6't.3 1200i100- <2 12/17/84 <2 .8t.7 1500i200 . <2 1 For typical minimum detectable' levels of nuclides searched for and not found,- see Table XXVI.

i;[; I l tf e 6j . 77 . 98 9 7 00 21 21 8 6 04 8 1 4 3 12 12 8 I 8 1 2 2 2.ii 1 ii i ii 1 1 1 2 1i i ii i 11 i 1 1 M M. T T 62 72 5 82 5 5 . 07 45 5 47 6 5 4 73 . 93 6 11 1 f1 . 1 1 1 f 1 1 f f 1 1 1 6 2 - 07 00 77 4 54 4 1 2 1 4. 79 65. 8 6 e t 2 6 t 1 2 2 A

0. i 1 1i i ii i i

2 . 1i 2 ii i i i i i i 2 A W. R 45 28 5 7 54 5 36 5 22 3 3 2 f3 3 22 2 2 2 1f 1 22 2 22 2 2 2 _ 9 7 1 54 0 65 8 63

9. t.

0 20 7 3 8 00 00 1 7 2 0 40 3 7 5 7 1 3 3 3 1 ii 1 2i i ii i i i 1 _ ii 2 01 i ii 1 i 1 S S C C 5 8 7 . 35 5 8 4 53 5 4 4 89

5. 9 2

35 . 72 1 53 4 8 9 54 8 1 1 18 0 4 5 0 0 0 1 22 1 22 1 4 1 1 1 22 4 22 I 4 1 4 6 ii 1 11 i ii i 2 i 4 K - - i i 1 1i i 11 i 1 1 K 87 8 01 7 64 1 9 5 2 18 9 32 3 1 0 92 6 11 1 22 2 1 1 . 1 4 8 21 1 22 2 2 2 5 1 3 4 3 7 6 1 3 7 7 22 2 12 2 I. 1 2 11 . i 4 i 23 3 t1 1 2 i E E B

9. < 5 4

3 O B . e< R t. 3 F D E H 77 8 7 3 4 4 75 6 63. 5 4 3 5 C 00 2 0 4 0 3 2 2 00 0 0 0 0 2 R 00 0 0 0 A 9.ii 3 3 9 3 E i 10 i 20 1 1 i 1 ii 1 i 0 i t 1 S W W ii S 4% 8< 6< 5 5 3 S E 2 6 2 5 . 17 9 66 6 13 . 32 2 00 0 0 0 0 1 I S 2 2 2 1 0 1 1 L E L E 8W 0 9 t a) F SY 9 9 O R 0 8 4 7 9 8 4 1 2 8 9 5 99 9 9 5 2 3 LG 20 E 1 0 20 10 29 00 1 1 1 R 1 9 29 3 1 1 S SN W L S E SA 4 V W E W/ L FC t EI P A( m N LI MM f 4M N MM AN 5 5 O 44 f 44 N 44 N 5 S BI q f f T I A 0 A I 08 A 30 A 08 A N AX 0 AI TE // // B DE CT 47 M 47 // E TE // E /' E // M C O TX 47 M I CT . 47 47 N 47 M N t I C I I EA 02 02 02 A T EA 02 02 02 4 T EE LT LB // / / // 3, A LD // // / / 3 A TL AA L 80 80 80 T L 80 80 80 T EB CW O 01 01 01 S O 01 01 01 S DA I1 C C T TN N L N L t t YE b-A L N A L s E A O E A t E LC q I E A IE IE N !S I B I T t A 5 t AW f TD 2 4 5 N f IE l AC 3 A AO 3 A I, TC M S M TC t W f S L S L AO CF t s N63 I t Ot PT X PI TI YO G OT TT TN TM 0R 3 3O ROM E F P L FA B AT e il[ lrjl>lI l I ll t l l ,l' l l

TA8LE XX MONTHLT TLD DESULTS DESULTS IN LHITS OF PetADS/STD. MONTH LTlTION e4 84 84 84 84 84 84 84 84 84 84 85 CODE EQV.MO. AVG. 01/07-02/11 02/11-03/03 03/03-03/31 03/31-05/06 05/06-06/03 06/03-06/30 06/30-08/04 08/04-09/01 09/01-09/29 09/29-10/27 10/27-12/01 12/01-01/05 f t) 12 7.4220.90 6.7520.50 7.1121.45 7.8310.71 8.0111.76 7.24 0.62 6.9221.18 6.80io.59 7.69 f.02 7.78tt.03 7.2520.77 7.8420.54 7.68 f.19 13 5.68 2 5.33 5.5021.04 6.0720.87 4.8128.25 6.6410.47 5.7920.47 5.5620.88 4.3710.89 6.0420.63 5.5522.13 6.70tt.32 5.90to.74 5.4211.19: s SC 4.92 2 1.57 5.89tt.45 6.7811.04 6.9510.57 8.3120.29 6.1922.71 7.5520.97 5.72tt.74 7.0420.88 7.3320.70 7.0210.93 7.34t1.49 7.5920.93 ?3 4.42 2 f.36 5.%20.19 6.4720.78 5.7620.35 7.5210.71 5.7420.35 7.0210.93 5.8512.05 6.3320.24 7.3221.02 (33 6.7711.08 6.4120. % tt 6.4921.35 5.4810.69 6.4911.59 6.5920.14 6.4521.13t116.1211.27 6.2110.37 5.2311.20 7.1511.23 6.93io.91 7.3720.35 6.7820.86 7.3520.38 IF 7.73 2 1.40 7.0312.08 7.5810.72 7.5821.15 8.6810.80 6.89tt.48 7.7528.21 6.6121.01 7.8420.77 8.9120.91 8.1621.95 8.3211.24 7.4521.62 13 5.0911.08 4.62it.32 5.1820.38 4.70it.10 5.2511.06

4. % 20.92 4.9011.97 4.33 0.94 5.2310.65 6.2910.47 5.28 0.62 5.3910.85 5.5720.30 t '3 6.67 2 1.24 5.8220.53 6.7020.43 6.4711.42 7.1920.55 5.7920.20 6.7121.33 5.83tt.06 7.5521.07 6.80t2.14 7.4611.22 6.6721.71 7.3&tt.78 11 5.35 2 0.99 5.6421.31 5.6820.92 4.5620.48 5.8810.74 5.1310.73 4.9711.93 4.3819.27 5.5120.67 5.4920.86 5.9120.40 5.6910.73 5.3620.19 TJ 7.8321.40 6.9810.75 7.8621.58 7.3012.20 8.5620.69 7.1728.24 7.6710.62 6.9111.47 8.4111.55 8.4611.01 9.1611.16 7.58 0.73 8.05t0.76 1L 4.97 2 1.61 4.5710.49 4.9021.73 5.8121.00 6.43!O.92 4.3213.14 3.73tt.29 3.8120.43 5.3520.56 5.%2 *.00 5.6210.75 4.8311.08 4.7720.71 1M 3.6920.73 3.8320.18 3.8420.29 3.0820.39 4.2820.25 3.3720.69 3.7410.84 3.2615.21 3.%20.55 4.1010.72 3.4420.58 4.03t0.78 3.7310.48 2

6.24 2 1.13 5.7920.43 5.9720.78 6.2721.10 6.5821.05 6.7611.08 6.3510.41 5.0120.59 6.5728.23 6.7821.34 7.03tt.s3 5.7121.32 6.4511.44 34 4.84 1 0.99 4.3620.26 4.5620.49 5.3920.48 5.3220.99 4.5310.74 4.48 0.41 3.78 0.24 5.09ts.47 5.1520.46 5.35tt.11 5.1120.44 4.9720.19 4K 4.48 1 1.28 5.7421.99 4.5120.90 3.93 0.58 4.79te.82 3.85tt.25 4.8520.81 3.2310.20 4.7010.77 4.1310.72 4.6011.04 4.9620.44 4.3120.17 5 6.36 2 f.17 6.5710.64 6.7620.27 5.72 1.70 6.9020.28 5.5710.39 6.60it.68 5.2721.05 7.1521.07

6. 36t t.37 6.8021.11 6.6620.49 6.0820.78 68 5.32 1 0.80 4.88t0.37 5.6225.01 5.6610.65 5.2720.67 5.0720.80 5.2821.02 4.7810.75 5.6920.44 5.9414.01 5.7521.42 131 5.08!O.48 14 6.40 t f.27 6.4920.64 6.9020.98 7.0010.77 6.7520.68 5.9520.70 5.8120.79 5.2110.95 7.2220.74 6.5611.53 7.1721.58 6.48tt.15 5.7220.35 15 6.91 1 1.17 6.7710.55 7.3229.36 5.4921.22 6.8921.02 7.4210.89 6.5320.56 6.5610.43 6.98t t.69 7.83 f 39 6.94tt.85 7.3720.51 6.9310.36 1S 6.79 2 1.23 6.8910.44 7.1520.50 6.6311.05 (33 6.8720.44 5.7921.11 6.23ie.76 7.4520.50 6.0012.18 7.6520.58 6.5611.03 7.48tt.18 17 7.59 2 1.48 7.t921.50 8.072I.55 7.30is.67 8.29 1. t 8 6.5920.59 7.6421.26 6.2225.54 8.tSit.t6 7.392I.21 8.15 2.42 8.8020.53 7.4021.81 13 7.09 2 f.96 5.9221.02 9.6918.67 6.0821.08 7.3021.01 6.5611.26 6.8620.52 7.0810.47 7.26io.92 6.9711.24 7.1021.05 8.06t0.34 6.9011.54 19 6.40 t 1.05 5.91 0.37 6.9810.75 6.7821.43 6.9529.22 6.0220.31 5.8710.79 5.8310.72 6.0521.25 (11.28 7.3820.66 6.3528.57 6.2220.54 20 8.05 2 0.84 7.4320.98 8.2021.31 8.1329.44 7.6920.76 7.48t1.94 8.03t0.45 7.8821.84 7.9221.41 8.6910.69 8.7910.38 8.2611.35 7.93 f.10 213 6.24 2 1.34 5.1211.40 6.3421.07 5.6910.61 6.9810.52 6.5918.63 6.0310.48 5.1410.23 6.6810.64 6.62 1.35 6.58tt.30 6.0711.30 7.2121.18 l

l

e TABLE XX tCON7.5 MONTHLY TLD RESULTS DESULTS IN LJNITS OF MRA05/STD. MONTH CT* TION 84 84 84 84 84 84 84 84 84 84 84 85 CODE EQV.MO. AVG. 01/07-02/11 02/11-03/03 03/03-03/31 03/31-05/06 05/06-06/03 06/03-06/30 06/30-08/04 08/04-09/01 09/01-09/29 09/29-10/27 10/27-12/01 12/05-01/05 (2) 22 6.74 2 1.17 6.20tt.04 6.9711.81 6.2111.14 7.1620.71 6.3121.73 6.2520.90 6.7521.07 6.2229.04 7.3110.65 5.9912.04 7.4421.32 7.69t 9.08 23 7.01 2 t.03 6.5221.05 7.3020.94 6.0620.81 7.1520.42 6.97t1.09 6.3310.91 7.2218.15 7.3610.82 6.8721.67 6.7521.22 7.6611.22 7.7211.77 24 5.t3 2 I.0t 4.6020.23 5.7420. M 4.4820.32 5.5121.09 4.90t1.01 5.t62I.24 4.6829.52 5.t720.95 5.t510.04 6.t820.62 5.50tt.28 4.7910.38 26 7.4921.62 6.94tt.00 7.64t0.59 6.8020.83 7.78t t.36 7.3521.16 6.5320.56 6.2 Gio.M 8.1221.07 8.8915.42 7.4710.46 7.5210.55 8.67t e.92 27 7.3121.23 7.5820.47 7.0820.28 6.4620.32 7.5920.22 6.4420.43 6.6111.09 6.87t t.53 7.40t t.77 8.14tt.57 8.2311.58 7.80it.18 7.2821.42 31 6.6911.38 6.45te.68 7.1810. % 5.6310.88 7.3020.99 6.28it.26 6.5120.55 5.6720.39 6.7121.32 6.7011.71 8.00te.74 6.54tt.56 7.3820.19 32 7.32 2 f.04 6.7320.37 7.5619.01 6.70 0.48 7.5321.10 7.1221.19 6.7219.13 6.6618.22 7.6528.36 7.36t1.70 8.0221.34 8.0020.82 7.8110.34 33A 5.1% 1 0.86 4.5520.89 5.19 0.60 4.4520.95 5.5810.65 4.8510.40 4.%20.% 4.7210.91 4.93iO.82 5.50to. M 5.6910.66 5.2810.66 5.6210.49 38 7.0821.49 5.9720.58 7.5421.18 7.18 1.58 7.7710.38 7.6520.53 6.2621.16 5.8420.72 6.8020.99 6.99t o. 37 7.2120.95 7.66ts.73 8.97tt.49 40 7.59 2 f.65 7.7720. 4 8.3221.14 6.9228.23 8.2210.59 6.4320.90 6.5620.67 7.3122.84 6.33t2.42 8.36to.30 8.6310.72 7.8210.84 8.1510.75 42 8.28 2 1.46 7.8021.56 8.7329.52 8.0320.35 8.51 0.93 7.26t0.54 7.5220.61 8.3810.39 8.19t 0.4 3 8.90t0.83 9.59t t.2 3 8.3621.37 8.9128.26 43 7.43 1 1.23 6.3620.73 7.1612.26 6.83 1.88

7. MiO.8%

7.0721.16 6.7328.33 7.2920.82 7.5811.06 8.1721.85 8.24tt.29 8.20tc.69 7.7910.95 44 6.0921.47 5.83 1.08 6.3129.29 5.1920.73 6.8511.50 5.8220.74 5.5720.51 5.2321.13 5.14tt.08 6.5910.87 6.9920.45 7.2020.84 6.2128.49 45 7.44 2 1.09 6.8721.36 7.8912.02 6.7521.84 7.8520.94 7.0810.84 6.9310.67 7.5621.20 7.1910.59 7.1721.54 8.34tt.75 7.30t0.49 8.2920.98 46 6.17 2 f.45 5.8620.89 6.65t0.38 5.1920.72 7.1721.38 5.9811.27 5.1821.32 5.4410. % 6.0220.44 6.Mtt.58 7.4021.12 5.97t1.17

6. 55t e.H 47 7.73 1 1.35 7.0521.36 8.54to.M 6.9421.15 8.0210.84 8.1310.23 7.0220.4%

7.1929.69 7.9010.63 8.3811.20 8.2829.45 7.6820.72 8.03 1.15 48 6.8821.26 6.7820.90 6.4120.77 6.7729.55

7. % 11.13 6.7011.73 6.0821.16 5.5910.25 6.8510.83 7.45to.73 7.0321.43 7.8420.71 7.32ie.58 49 7.36 2 1.11 6.2720.82 7.8820.84 6.6028.73 7.5510.55 7.1220.54 6.8528.26 7.8920.56 7.3720.70 7.4121.57 8.0129.54 7.8620.76 7.5121.45 53 8.06 2 0.94 7.9721.63 8.3620.57 7.5621.35 8.5221.22 7.20te.72 7.7621.59 7.4111.07 8.3420.92 8.1220.28 8.5010.95 8.5920.88 8.3220.65 51 7.0921.27 7.55it.96 7.1021.80 5.4620.81 7.3621.46 6.7310.44 6.4821.11 6.5010.45 7.4220.73 6.99t t.63 7.94tt.38 7.29 2.64 7.46t O.81 1644 7.9320.87 7.4728.60 8.1410.75 8.3121.33 8.2221.88 7.6011.31 7.7420.51 7.3120.26 8.1223.26 7.8tIO.93 8.65t1.65 8.30t9.85 8.0220.74 l

09/09-02/13 02/13-03/07 03/07-04/02 04/02-05/07 05/07-06/01 06/01-07/03 07/03-08/07 03/07-09/04 09/04-10/09 10/01-10/29 10/29-1t/30 tt/30-01/05 l l 128 5.25 1 0.72 5.1410.58 5.7120.38 5.3120 M 5.37tt.46 4.4810.21 5.52it.08 4.98te.57 5.1010.45 4.9412.82 5.6011.00 5.6810.49 5.13t t.M 1 COLLECTION DATES FOR STATION tE WERE 04/06/84 TO 05/06/84 2 COLLECTION DATES FOR STATIONS 18,1C. IS, tH. t!. 1J. 2. 3A. 4K. 5. 68. 16. 17. 19. 218.

23. 24, 27. 31, 44. 44. 47. 48. AfD treeHERE 12/01/84 TO 01/04/85 3 TLD VAPCALIZED j

( i i l i

l IIll! IIl1 !l)i 5._ 0 9 7 3 4 4 2 4 8 0 3 3 5 9 9 1 1 8 5 5 8 2 4 4 / _ 5 7 4 4 6 7 0 0 5 3 3 3 7 8 1 4 6 9 4 4 8 6 5 1 0 _ 0 0 1 0 O 0 1 8 1 1 0 0 0 0 1 t 0 0 O 1 O t 0 5 - 1 1 1 2 i 1 1 2 1 2 2 1 2 1 1 t 1 1 i 1 i i 2 89 8 2 6 4 5 1 0 6 6 6 6 8 0 1 0 6 8 2 1 2 0 9 8 0 3 4 5 8 4 1 6 4 4 3 6 8 5 5 2 7 4 2 4 6 5 2/ 0 _ 6 7 7 5 8 7 6 8 5 7 8 8 7 6 7 6 8 7 7 9 7 7 5 9 9 2 2 9 3 2 4 8 2 8 5 2 3 3 7 3 2 9 9 6 7 4 1 6 / 9 8 7 7 2 0 8 2 6 5 6 1 4 4 5 6 2 7 7 9 2 2 9 0 _ 0 0 1 0 9 1 0 t 0 9 1 1r 2 5 8 1 t t 0 1 0 1 0 4 - _ 1 1 t 1 i 1 i 2 2 1 2 1 1 1 2 t t 1 1 1 1 1 80 . 3 9 9 8 t. 4 2 1 0 6 8 1 2 6 5 8 7 6 8 8 7 7 7 3 _ 1 2 4 3 e 0 7 2 2 2 6 2 5 4 5 9 9 3 9 3 9 8 1 / 6 -. 6 6 6 4 7 7 6 6 5 7 7 8 7 6 7 5 7 6 7 7 6 7 5 0 -_ + 6 4 037 3 0 9 8 7 6 8 1 8 5 6 8 2 8 6 8 5 4 8 7 4 2 /64 3 5 6 3 1 4 2 4 4 4 1 6 8 5 4 6 7 2 7 4 9 8 4 0 0 0 0 0 1 0 0 0 e 0 0 1 0 0 0 0 8 0 0 0 0 0 0 4 4 -. 1 2 1 2 2 2 2 1 t 1 1 1 1 2 2 2 2 1 2 2 1 1 5 1 0 2 2 0 3 1 88 - 8 4 8 5 9 3 7 6 1 5 7 2 6 3 9 3 8 4 2 6 9 3 3 4 6 8 7 4 6 1 0 3 6 8 9 3 2 3 0 1 /. 3 3. 6 6 6 4 6 6 5 6 4 5 6 7 6 5 6 5 6 5 5 7 6 6 5 0. 7 1 2 3 _ 8 9 4 8 5 6 3 9 3 9 9 5 7 2 7 3 7 8 3 1 2 4 9 3 _ 4 7 3 2 6 2 2 9 6 1 6 9 1 7 0 7 8 9 2 2 4 9 7 / 4 8 0 8 0 0 0 1 t a 0 t e t 1 0 1 0 0 0 1 1 0 0 8 2 4 - 2 2 1 1 t 2 t t 1 t i i 1 2 1 2 1 1 1 2 2 1 t 87 8 3 5 1 0 7 2 7 1 u. 2 1 9 3 8 8 0 5 9 0 9 7 1 3 4 1 3 7 6 8 4 9 8 t t 7 3 1 6 1 8 2 6 6 0 5 3 5 / 2 8 1 6 7 5 5 7 7 6 5 5 6 6 8 7 6 7 6 7 6 8 7 6 7 4 / 0 5 8 9 8 0 4 0 6 8 7 4 1 1 5 7 8 8 7 4 9 9 4 3 6 9 9 8 / S.7 7 4 7 4 2 9 9 6 6 6 7 8 6 3 9 3 6 0 7 1 2 8 2 f V 0 A. 8 8 1 8 1 1 0 2 0 f t 0 0 1 1 8 1 1 2 I 1 1 8 9 1 o 1 1 2 2 2 1 1 2 2 2 1 1 1 1 2 2 t 1 1 1 1 i 2 1 0 t H p / T 1 9 9 1 2 8 5 0 8 6 8 9 0 7 4 6 0 4 8 9 8 6 4 0 N N 5 8 5 0 5 2 0 7 0 9 5 9 3 3 0 9 6 6 3 9 6 2 3 7 1 O I - 6 6 6 5 7 7 6 6 5 6 7 7 7 6 7 5 7 6 7 7 6 7 5 1 M E 1 ) 6 9 SD N 3 1 / TT O ( 0 LS IE 1 U/ TD 8 2 3 4 6 7 1 2 A 8 0 2 3 4 5 6 7 8 9 0 1 4 8 8 SS AO 1 2 2 2 2 2 3 3 3 3 4 4 4 4 4 4 4 4 4 5 5 t 2 6 3 EO TC 2 3 f 1 0 IDA S / X P 5 7 W XDP 0 L ETF l K L O i 4 3 BY t 3 ALS / A 7 5.1 TRT 9 5 3 8 9 8 1 9 7 7 9 9 4 8 6 0 7 5 0 9 8 2 2 3 8 EI TN / 5 5 0 3 3 6 0 1 9 4 3 8 5 7 0 7 8 8 4 6 9 3 5 RU 1 8 2 A 9 0 0 1 2 0 0 0 t t 0 9 0 0 0 0 1 0 1 0 1 0 1 t 0 2 0 UN 5-2 1 1 ( 1 2 1 t t 2 2 2 t 2 2 1 1 1 1 1 1 2 t 2 / GI 89 0 7 2 8 2 3 0 9 1 1 4 0 5 7 3 1 0 2 3 9 3 8 2 4 2. 2 9 9 7 2 4 6 9 5 3 2 9 2 4 3 3 2 7 4 8 5 2 3 J 0 S / - 8 5 7 6 8 5 6 4 7 5 4 6 5 4 6 5 7 7 7 7 7 7 8 f T 9 L 0 - 2 U 9 t / S 9 6 1 7 9 7 6 8 8 3 4 E 2 . 9 7 1 3 3 2 3 3 7 4 4 8 7 1 R / 5 7 4 6 3 1 4 6 2 4 7 3 4 8 5 5 9 6 5 2 6 3 6 0 9 H 0 8 e 1 0 0 1 0 1 0 2 0 8 0 1 0 1 0 0 t 1 0 2 t 0 1 9 4 - 2 t 1 2 2 2 2 1 2 1 2 1 2 1 1 2 2 2 2 2 2 t 1 8 80. 4 3 0 7 5 2 1 1 2 2 7 5 9 8 4 3 6 8 9 2 0 5 4 3 ,5 / 3 5 5 4 3 9 1 7 0 5 4 4 2 0 7 7 7 6 7 1 8 8 7 9 9 G8 1 1 / 0 /6 6 5 7 6 5 9 4 7 5 7 4 3 6 4 4 6 4 5 6 7 6 7 6 6 49 E 9 C/ R 0 I 1 E 3 8 1 8 8 8 7 7 7 2 3 2 5 3 8 9 5 5 3 2 7 4 9 4 3 W / 4 6 9 7 4 0 5 6 5 3 3 2 7 3 3 5 4 1 4 8 5 7 5 8O 8 3 69 0 0 0 0 O 1 e o 0 1 0 0 0 0 0 0 0 0 o 2 0 0 0 0 1 T 2 4 - 1 2 2 1 i 1 t i 2 1 2 2 2 2 1 2 2 2 i 1 2 1 1 1 1 4 2 9 6 9 0 8 0 9 4 2 7 3 7 6 5 3 5 t 7 9 0 7 S4 85 _ 5 3 4 4 5 9 3 7 6 6 6 1 6 1 0 4 7 7 9 5 9 9 6 N8 N 3 O/ O /3 6 5 6 6 5 6 4 5 4 6 4 3 5 4 4 5 4 5 5 6 5 5 6 I9 I T2 T 8 A/ A T9 T 1 8 7 9 2 9 6 4 4 3 2 5 1 7 6 8 1 4 8 8 3 1 3 7 9 S8 S 3/ - 5 2 5 5 t. 4 3 4 2 0 4 8 6 8 4 2 8 4 1 8 7 3 3 9 NE R 3. 0 0 0 0 0 I t 0 0 t 1 0 0 0 0 0 t 0 0 1 0 0 t 1 0 OR O 4 - 1 2 2 1 t 1 2 t 1 2 2 1 2 t 2 1 2 1 1 t 2 2 FE F 1 9 8 0 0 6 0 2 6 7 4 1 8 0 0 4 0 9 0 3 2 3 4 1 h 879 2 2 7 6 3 3 7 7 0 4 6 5 0 9 4 9 2 7 3 9 3 6 4 8 S S t Ee E / 1 6 5 6 5 6 7 4 6 5 6 5 3 5 4 4 5 5 5 6 5 6 6 6 7 TiDT 8 At EA D ZO 9 2 7 5 2 6 8 3 9 6 1 7 9 0 6 9 6 2 2 4 8 3 0 3 CI G 7 6 7 9 0 9 8 1 6 0 1 9 5 9 5 8 6 4 6 5 3 6 2 5 NF LN V OAAO.CI 9 0 0 0 1 1 0 1 0 1 1 8 1 0 0 3 0 1 1 1 1 1 1 1 I A. T P T m 2 2 1 2 1 2 t 2 1 t 2 2 1 2 2 2 1 1 2 2 1 1 2 C8AC E4VE f. 1 4 3 6 6 2 2 3 6 3 0 6 4 6 2 2 8 6 6 3 3 9 6 4 L L L.DL V 9 5 9 1 1 9 8 5 0 0 0 5 9 7 4 1 9 1 5 8 9 9 6 4 O7LO 9E 6 5 6 6 6 7 4 6 5 7 5 3 5 4 4 6 4 6 6 6 6 6 6 7 C4TC 1 23 N O IE TD A 8 C 0 E F G H 1 J L l 2 A K 5 8 4 5 6 7 8 9 0 i AO l 1 I 1 1 1 t T 1 I S t 3 4 6 1 1 1 1 1 1 2 TC S l1

TABLE XXII NEAN MC'4THLY AffD QUARTERLY TLD RESULTS FOR TI:E SITE BotACART, HIDDLE. Ale CUTER RINGS RESULTS IN UNITS OF Mf7AD/STO. M0llTH i 2 SIGNA DEVIATIOff CF Tile DATA SAMPLE EXPOSURE 1 2 -1 TYPE FERIOD SITE MIDDLE RING DUTER RIltG H0HTMLY JAft/84 5.84 1 2.29 6.41 i 1.74 5.e6 1 2.03 FEB/84 6.48 t 2.64 7.01 1 2.22 7.12 1 2.86 ' i. HAN/84 6.13 i 2.74' 6.21 i 1.98 6.16 1 2.35 ArR/84 7.10 1 2.68 7.16 1 1.97 6.63 i 1.93. f1AY/84 5.89 1 2.43 6.44 1 2.03 6.13 1 2.16 JUH/84 6.27 1 2.83. 6.30 i 1.72 6.18 1 1.94 JUL/84 5.50 1 2.64 6131 2.53 5.97 1 2.35 AU3/04 6.57 1 2.72 6.89 1 2.15 6.52 1 2.23 SEP/84 6.93 1 2.70 7.08 2 2.25 6.45 1 2.53 OCT/84 7.04 1 3.27 7.30 1 2.30 7.04 1 2.09-It0V/84 6.58 i 't.68 7.23 2 2.10 6.64 1 2.20 DEC/84 6.63 1 2.80 7.09 1 2.43 6.52 1 2.39 QUARTERLY JAN/84-NAR/84 5.96 1 2.26 6.49 t 1.99 6.21 1 2.09 APR/84-JUH/84 5.69 1 2.20 5.90 i 1.76 5.72 1 1.48 JUL/84-SEP/84 6.38 1 3.24 6.61 1 2.06 6.50 i 1.94 DCT/84-JAH/85 6.67 1 2.50-7.16 1 2.31 6.92 1 2.11

SUMMARY

OF AMBIENT DOSIMETRT PROGRAN STAtOARD NollTHLY EQUIVALEHT AV! RAGE DOSE Uti!TS IN HRAD/SID. MOHfH PERIDD FRE-OP(11 SAMPLE HO. OF SAMPLES PERIDD PERIOD NEAN MEAN TVPE LOCATICH AHALYZLD' HINIMUtt HAXIMUN i 2 SIGNA i: SIGttA NDHTHLY SITE 612 3.08 1 0.39 9.16 1 1.16 6.41 1 2.78 5.05 1-2.05 MIDDLE RittG 1187 3.23 1 0.20 9.59 i 1.21 6.77 1 2.26 5.70 i 1.87 00iER RIf G 332 4.48 1 0.32 9.69 1 8.67 6.43 1 2.24 5.89 i 1.37 QUARTERLY SITE 203 3.17 1 0.25 9.12 1 1.12 6.17 1 2.62 5.14 i 1.60 MIODLE RING 390 4.06 1 0.39 9.21 i 1.48 6.54 1 2.20 5.0721.25 OUTER RING 108 4.62 1 0.69 8.32 1 0.52 6.36 1 2.02 5.44 i 1.70 t il fHE PRE-OPTIDHAL HEAH WAS CALCULATED FRON TLD READINGS l.07-73 TO 8-05-76. STATIONS IM. 31 AND 32 WERE ADDED TO THE PROGRAN 7-06-73 Ate STAT 10tlS 334. 38. HERE HOT IN THE PRE OPERATICHAL PROGRAM. STAT 10fiS ltN Ato 40 THROUGH 51 WERE ADDED TO THE PROGRAM OH 07-12-80. SITE BoutOARY RING STATIONS.18,1C 10. IE. tF.1Ge IH, IJ. 1Le IN,1HN 2, 40. HIDDLE RING STATIDHS - 3A. 4K

5. 68. 14. 15

17. 22. 23, 26, 27, 31, 32. 33A. 38

42. 43, 44, 45, 46, 47, 48, 49, 50, St.

OUTER WING STATIDtiS 126. 16, 18. 19. 20, 218 24. E -wa

ii TA8tE XXIII TYPICAL

• MINIMUM DETECTABLE LEVELS OF NUCLIDES SEARCHED FOR BUT NOT FOUNO.

IN THE VICINITY OF PEACH BOTTOM NUCLEAR POWER STATION, 1984 NUCLIDE SURFACE WATER DISCHARGE WATER RAIN WATER AIR PARTICULATES MILK 50ll (pci/f) (pCi/2) -(pC1/1) (10-3 pC1/m3) (pC1/2) (pC1/g-dry) Be-7 - 8.3 8.5 13 12 0.6-Na-22 'K-40 28 27 26 18 Cr-51 8.8 11 16 . 31 59 0.4 Mn-54 0.7 0.8 0.9 1.2 1.7 0.03 Co-57 0.5 0.6 0.7 1.2 1.5 _ 0.03 Co-58 0.9 0.9 0.9 2.8 5.0 - 0.04 Fe-59 2.3 2.3 2.4 11 28 0.06 Co-60 0.8 0.9 1.0 1.6 1.9 0.03 Zn-65 1.5 1.8 2.3 3.0 5.3 0.08 Zr-95 2.2 2.3 2.3 5.0 7.6 0.08 Mb-95 0.9 1.1 1.3 7 14 0.04 ZrNb-95 Mo-99 Ru-103 1.1 2.9 1.6 7.4 11' O.07 Ru-106 6.1 7.3 7.8 11 12 0.5 Ag-110M 1.0 1.2 1.4 1.3 1.8 0.5 Sb-125 2.2 2.4 2.6 3.2 34 0.08 Te-129M 1.1 1.2 1.6 129 180 0.04 I-131 24 6.9 7.8 82 8.3 0.2 Te-132 I-133 Cs-134 1.0 0.9 1.0 1.0 1.3 0.04 Cs-136 3.3 4.1 4.5 4.9 4.6 0.1 Cs-137 0.9 0.9 3 1.1 0.6 0.03 Ba-140 6.2 7.3 8 12 0.2 La-140 7.2 3.5 4 8.1 0.1 Bata-140 Ce-141 1.5 1.6 2.2 4.9 37 0.1 Ce-144 4.9 4.7 4.7 5.1 15 0.4 - Ra-226 11 11 18 2.9 2.5 - 0.6 Th-232/228 1.2 1.1 3.3 Np-239 Typical refers to mean plus two standard deviations. l

• • Minista detectable levels of these nuclides were not calculated for these media, l

l Indicates a positive concentration was measured in all samples analyzed. i

I l TABLE XXIV COLLECTIDH DATE2 FOR CIR PARTICULATE AND CIR IDDINE SANPLES COLLECTE] IN THE VICINITY OF PEACH BOTT0t1 ATONIC POWEJ STATION, 1984 WEEK s 1B lZ 2 3A 4A 5 68 14 120 1 12/31-0t/07/84 12/31-01/07/84 12/31-01/07/84 12/31-01/07/84 12/31-01/07/84 12/31-01/07/84 12/31-01/07/84 12/31-01/07/84 31/03-01/09/84 2 01/07-01/14/84 01/07-01/14/84 01/07-01/14/84 01/07-01/14/84 01/07-01/14/84 01/07-01/15/84 01/07-01/15/84 01/07-01/15/84 01/09-01/16/84 3 01/14-01/21/84 01/14-01/21/84 01/14-01/21/84 01/14-01/2t/84 01/14-01/21/84 01/15-01/21/84 01/15-01/2t/84 01/15-01/21/84 01/16-01/23/84 4 01/21-01/28/84 01/21-01/28/84 01/21-01/28/84 01/21-01/28/84 01/21-08/28/84 01/21-01/28/84 01/21-01/28/84 01/21-01/28/84 01/23-01/30/84 5 01/28-02/04/84 01/28-02/04/84 01/28-02/04/84 08/28-02/04/84 01/28-02/04/84 01/28-02/04/84 01/28-02/04/84 01/28-02/04/84 01/30-02/06/84 6 02/04-02/11/84 02/04-02/11/84 02/04-02/11/84 02/04-02/11/84 02/04-02/11/84 02/04-02/11/84 02/04-02/11/84 02/04-02/11/84 02/06-02/14/84 7 02/11-02/18/84 02/11-02/18/84 02/11-02/18/84 02/l1-02/18/84 02/11-02/18/84 02/11-02/18/84 02/11-02/18/84 02/11-02/18/84 02/14-02/21/84 8 02/18-02/25/84 02/18-02/25/84 02/18-02/25/84 02/18-02/25/84 02/18-02/25/84 02/18-02/25/84 02/18-02/25/84 02/18-02/25/84 02/21-02/27/84 9 02/25-03/03/84 02/25-03/03/84 02/25-03/03/84 02/25-03/03/84 02/25-03/03/84 02/25-03/03/84 02/25-03/03/84 02/25-03/03/84 02/27-03/05/84 to 03/03-03/10/84 03/03-03/10/84 03/03-03/1C/84 03/03-03/10/84 03/03-03/10/84 03/03-03/10/84 03/03-03/10/84 03/05-03/12/84 11 03/10-03/17/84 03/10-03/17/84 03/10-03/17/84 03/10-03/17/84 03/10-03/l7/84 03/10-03/17/84 03/10-03/97/84 03/12-03/19/84 12 03/17-03/24/84 03/17-03/24/84 03/17-03/24/84 03/17-03/24/84 03/17-03/24/84 03/17-03/24/84 03/17-03/24/84 03/19-03/26/84 13 03/24-03/31/84 03/24-03/31/84 03/24-03/31/84 03/24-03/31/84 03/24-03/31/84 03/24-03/31/84 03/24-03/3t/84 03/26-04/02/84 14 03/31-04/07/84 03/31-04/07/84 03/31-04/07/84 03/31-04/07/84 03/31-04/07/84 03/31-04/07/84 03/31-04/07/84 04/02-04/09/84 15 04/07-04/15/84 04/07-04/15/84 04/07-04/15/84 04/07-04/15/84 04/07-04/15/84 04/08-04/1*/84 04/08-04/14/84 04/08-04/14/84 04/09-04/16/84 16 04/15-04/22/84 04/15-04/22/84 04/15-04/22/84 04/15-04/22/84 04/t5-04/22/84 04/14-04/21/84 04/t4-04/21/84 04/14-04/21/84 17 04/22-04/29/84 04/22-04/29/84 04/22-04/29/84 04/22-04/29/84 04/22-04/29/84 04/21-04/28/84 04/21-04/28/84 04/21-04/28/84 04/23-04/30/84 18 04/29-05/06/84 04/29-05/06/84 04/29-05/06/84 04/29-05/06/84 04/29-05/06/84 04/28-05/06/84 04/28-05/06/84 04/28-05/06/84 04/30-05/07/84 19 05/06-05/12/84 05/06-05/12/84 05/06-05/12/84 05/06-05/12/84 05/06-05/12/84 05/06-05/12/84 05/06-05/12/84 05/06-05/12/84 05/07-05/14/84 20 05/12-05/19/84 05/12-05/19/84 05/12-05/19/84 05/12-05/19/84 05/12-05/19/84 05/12-05/19/84 05/12-05/19/84 05/12-05/19/84 05/14-05/21/84 21 05/19-05/26/84 05/19-05/26/84 05/19-05/26/84 05/19-05/26/84 05/19-05/26/84 05/19-05/26/84 05/19-05/26/84 05/19-05/26/84 05/21-05/27/84 22 05/26-06/03/84 05/26-06/03/84 05/26-06/03/84 05/26-06/05/84 05/26-06/03/84 05/26-06/03/84 05/26-06/03/84 05/26-06/03/84 05/29-06/04/84 23 06/03-06/09/84 06/03-06/09/84 06/03-06/09/84 06/03-06/09/84 06/03-06/09/84 06/03-06/09/84 06/03-06/09/84 06/03-06/09/84 06/04-06/11/84 24 06/09-06/16/84 06/09-06/16/84 06/09-06/16/84 06/09-06/16/84 06/09-06/16/84 06/09-06/16/84 06/09-06/t6/84 06/11-06/18/84 25 06/16-06/23/84 06/16-06/23/84 06/16-06/23/84 06/16-06/23/84 06/16-06/23/84 06/16-06/23/84 06/16-06/23/84 06/18-06/25/84 26 06/23-06/30/84 06/23-06/30/84 06/23-06/30/84 06/23-06/30/84 06/23-06/30/84 06/23-06/30/84 06/23-06/30/84 06/25-07/02/8* 27 06/3C-07/07/84 06/30-07/07/84 06/30-07/07/84 06/30-07/07/84 06/30-07/07/84 06/30-07/07/84 06/30-07/07/84 06/30-07/07/84 07/02-07/09/84 28 07/07-07/15/84 07/07-07/15/84 07/07-07/15/84 07/07-07/15/84 07/07-07/15/84 07/07-07/15/84 07/07-07/15/84 07/07-07/l5/84 07/09-07/16/84 29 07/15-07/21/84 07/15-07/21/84 07/15-07/21/84 07/t5-07/21/84 07/15-07/21/84 07/15-07/21/84 07/l5-07/21/84 07/15-O//21/84 07/16-07/23/84 30 07/21-07/29/84 07/21-07/29/84 07/21-07/29/84 07/21-07/29/84 07/21-97/29/84 07/21-07/28/84 07/21-07/28/84 07/21-07/28/84 07/23-07/30/84 31 07/29-08/04/84 07/29-08/04/84 07/29-08/04/84 07/29-08/04/84 07/29-08/04/84 07/28-08/04/84 07/28-08/04/84 07/28-08/04/84 07/30-08/06/84 32 08/04-08/12/84 08/04-08/12/84 08/04-0S/12/84 08/04-08/12/84 08/04-08/12/84 08/04-08/11/84 08/04-08/11/84 08/04-08/11/84 08/06-03/13/84 33 08/12-08/18/84 08/12-08/tE/84 08/12-08/18/84 08/12-08/18/84 08/11-08/18/84 08/11-08/18/84 08/13-08/20/84 l 34 08/18-08/25/84 08/18-05/25/84 08/18-08/25/84 08/18-08/25/84 08/18-08/25/84 08/18-08/25/84 08/18-06/25/84 08/18-08/25/84 08/20-08/27/84 l 35 08/25-09/01/84 0S/25-09/01/84 08/25-09/01/84 08/25-09/01/84 08/25-09/01/84 08/25-09/01/84 08/25-09/01/84 08/25-09/01/84 CS/27-09/04/84 l 36 09/01-09/09/84 09/01-09/09/84 09/01-09/09/84 09/03-09/09/84 09/01-09/09/84 09/03-09/08/84 09/01-09/08/84 09/01-09/08/84 09/04-09/10/84 37 09/09-09/15/84 09/09-09/15/84 09/09-09/15/84 09/09-09/15/84 09/09-09/15/84 09/08-09/15/84 09/08-09/15/84 09/08-09/15/84 09/10-09/17/84 33 09/15-09/23/84 09/15-09/23/84 09/15-09/23/84 09/15-09/23/84 09/15-09/22/84 09/15-09/22/84 09/15-09/22/84 09/17-09/24/84 39 09/23-09/29/84 09/23-09/29/84 09/23-09/29/84 09/23-09/29/84 09/22-09/29/84 09/22-09/29/84 09/22-09/29/84 40 09/29-10/07/84 10/22-10/07/84 09/29-10/07/84 09/29-10/07/84 09/29-10/07/84 09/29-10/06/84 09/29-10/06/84 09/29-10/06/84 41 10/07-10/14/84 10/07-10/14/84 10/07-10/14/84 10/07-10/14/84 10/07-10/14/84 10/06-10/13/84 10/06-10/13/84 10/06-10/13/84 10/09-10/15/84 42 10/14-10/21/84 10/14-10/21/84 10/14-10/21/84 10/14-10/21/84 10/14-10/21/84 10/13-10/20/84 10/13-10/20/84 10/13-10/20/84 10/15-10/22/84 43 10/21-10/27/84 10/21-10/27/84 10/21-10/27/84 10/21-10/27/84 10/21-10/27/84 10/20-10/27/84 10/20-10/27/84 10/20-10/27/84 10/22-10/29/84 44 10/27-11/04/84 10/27-11/04/84 10/27-11/04/84 10/27-11/04/84 10/27-11/04/84 10/27-11/03/84 10/27-11/G3/84 10/27-11/03/84 10/29-11/05/84 45 1t/04-11/11/84 11/04-11/11/84 11/04-11/11/84 11/04-16/11/84 11/04-11/11/84 11/03-11/10/84 11/03-11/10/84 11/03-11/10/84 11/05-11/13/84 46 11/11-11/17/84 11/11-11/17/84 11/11-11/17/84 11/11-11/17/84 11/11-11/18/84 11/12-11/18/84 11/l2-11/18/84 11/12-11/18/84 11/13-11/19/84 47 11/18-11/25/84 11/18-11/25/84 11/18-11/25/84 11/18-11/25/84 11/18-11/25/84 11/l7-11/24/84 11/17-11/24/84 11/17-11/24/84 11/19-11/26/84 48 11/25-12/01/84 11/25-12/01/84 11/25-12/01/84 11/25-12/01/84 11/25-12/01/84 11/24-12/01/84 11/24-12/01/84 11/24-12/01/84 11/26-12/03/84 49 12/01-12/09/84 12/01-12/09/84 12/03-12/10/84 50 12/09-12/16/84 12/09-12/16/84 12/09-12/16/84 12/09-12/16/84 12/09-12/16/84 12/08-12/15/84 12/08-12/15/84 12/08-12/15/84 12/10-12/17/84 St 12/16-12/23/84 12/16-12/23/84 12/16-12/23/84 12/16-12/23/84 12/16-12/23/84 12/15-12/22/84 12/15-12/22/84 12/15-12/22/84 12/17-12/24/84 52 12/23-12/29/84 12/23-12/29/84 12/23-12/29/84 12/23-12/29/84 12/23-12/29/84 12/22-12/29/84 12/22-12/29/84 12/22-12/29/84 12/24-01/02/85

t c [ e VI. FIGURES 1 b

L, w E= W D D

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- ;2;{!:--- !,i---- igi i!! - :j. {: - .g; -- s'ht:1511111 12hbililltJk tsthils11221 ssaills11111 s!ballilliJa ssthils!Ji21 1122il11kiJa ss $21111121 s12121sibi21 sstsilt1}nin stD51111}xinsstklit!)MIA 1973 _ 1974 _ 1975 _._ 19M _ 1977 _ 19 78__._ I979. _ 19 _8# _ lt _ dL_ 19_lic_ 19 2.J _ f 1981 - FIGURE 18 COMPARISON OF AVERAGE QUARTERLY TLD RESULTS COLLECTED AT SITE BOUNDARY, MIDDLE, AND OUTER RING STATIONS IN THE VICINITV CF PEACH BOTTOM ATOMIC POWER STATION, 1984 Site Bound ary ( St at ions 18, IC, 10, IE, IF, 1G, lH, L IJ, IL, IM, 194, 2 and 40) L' Middle Ring (St ations 3 A, 4K, 5, 68, 14, 15, 17, 22, 23, 26, 27. 31, 32, 33A, 38, 42, 43, e ------ 44, 45, 46, 47, 48, 49, 50 and 51) f ---- -- Outer Ring (St at ions 128, 16, 18, 19, 20, 218 and 24) If More Th an One Value The Same e

P-VII. SYN 0PSIS OF. ANALYTICAL PROCEDURES -e

SYN 0PSIS 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 for s u ple analysis. S uple Preparation and Counting Procedures Several types of liquid smples are separated by filtration prior to analysis. Resulting portions are identified-as_ soluble and insoluble. Therefore, soluble as used in this report, is defined as that portion of a suple that passes through a No. 50 Whatman filter paper. Insoluble is defined as that portion of a suple that is collected on No. 50 Whatman filter paper.-

DETERMINATION OF GROSS ALPHA AND/0R GROSS BETA ACTIVITY IN WATER SAMPLES (SUSPENDED AND DISSOLVED FRACTIONS) TELEDYNE ISOTOPES 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. One liter of the sample is filtered under vacuum through a 0.45 ym Millipore filter. The filter is dried and mounted on a 2 inch stainless steel planchet to represent the. suspended fraction of the sample. The filtrete is evaporated on a hotplate, .and the residue is transferred and dried on another planchet to represent the dissolved fraction of the sample. 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 THE SAMPLE ACTIVITY OR OF THE MDL N - 6 cm N+6 Et Et At Net pCi on collection date = unit volume or wt. 2.22 (v) (y) (DF) (E) i 2.22 (v) (y) (DF) (E) net activity counting error

Alpha / Beta -(Cont.) total counts from sample (counts) where: N = counting time for sample (min) At = S = background rate of counter (cpm) 2.22=.dpn p3 v(w)= volume or weight of sample analyzed y. chemical yield of the mount or sample counted = decay factor from the collection to the counting date DF- = E efficiency of the counter = multiples of counting error am = For gross alpha and gross beta calculations set y = 1 and DF = 1. fN If the net activity iJt - Sj is equal to or is less than the counting error,.the activity on the collection date is below tire limits of detection and is called "less than" (L.T.) or " minimum detectablelevel"(MDL). i l'

O ENVIRONMENTAL 00SIMETRY By TI definition, a thermoluminescent dosimeter (TLD) is considered one end of a capillary tube containing calcium sulfate (Tm) powder as the thermo-luminescent material. This material was chosen for its characteristic high light output, minimal thermally induced signal loss (fading), and negligible self-dosing. The energy response curve has been flattened by a complex multiple element energy compensator shield supplied by Panasonic Corporation, manuf acturer of the TLD reader. There exists four dosimeters per station sealed in a poly-ethylene bag to demonstrate integrity at the time of measurement, and for -visualization of the sample placement instructions. The zero dose is determined from TLDs located in the lead shield at Teledyne Isotopes, Westwood, New Jersey. Following the predesignated exposure period the TLDs are placed in the TLD reader. The reader heats the calcium sulfate (Tm) and the measured light emission (luminescence) is used to calculate the environmental radiation . exposure. Data are normalized to standard machine conditions by correcting machine settings to designated values before readout. Data are also corrected for in-transit dose using a set of TLDs kept in a lead shield in the field, exposed only during transit. The average dose per exposure period, and its associated error is then calculated. A Cs-137 source is used to expose TLDs as a reference sample. An.. absorbed dose in tissue is determined using the 0.955 rad / Roentgen conversion factor aisf" dose equivalent (mrem) by using a quality factor of 1. Calculation of results and two sigma error: Gross TLD (i) = [TLD (i)-D0(i)] x CF(i) x CF(ins) x 0.955 mrad /mRoentgen ITD - Net (site 0) - [ NET (RMC 0) (D(sta) / D(RMC 0))] NET TLD(i) - gross TLD(1) - ITD n AVG = [(sigma NET TLD) / n] [D(STD) / D(EX)] i 1=1 L ERROR (95% CL) = t(n-1) [ sigma NET TLD (i) //5] [D(STD) / D(EX)] l l

TLD(Cont.) Whire-- . Gross' TLD(1) individual TLD reading correctd to standard = instrument ~ conditions TLD(i) -Gross reading of dosimeter i = NETTLD(i) Net dose obtained during exposure period in = the field Correction factor of reader = (6.158) (ELS-1.0129): CF(ins) = External. light. source ELS = D0(i). Zero for dosimeter i = ~.CF(i) Calibration factor for dosimeter 1 = -in-Transit dose ITD = NET (site)0 Mean of n dosimeters in site. lead shield = NET (RMC)0 - Mean of n dosimeters in RMC lead shield = Exposure period of station (SZR0) D(sta) = D(RMC)0 Exposure period of RMC 0- = .Mean exposure per standard exposure period at AVG = a given station n Number of readings = -D(EX)' Days exposed = Days-in standard exposure period D(STD) =- T-distribution (student) factor for 95% CL. t(n-1)- = Standard deviation of n readings of NET TLD (i)- L-sigma NET TLD (1) = The 95% confidence limit error of AVG ERROR =

-DETERMINATION OF GAMMA EMITIING RADI0IS0 TOPES TELEDYNE IS0 TOPES E Gamma emitting radioisotopes are determined with the use of a lithium-drifted germanium (Ge(Li)) and high purity germanium detectors with high resolution' spectrometry in specific media, for example, air particulate. filters, charcoal filters, milk, water, vegetation, soil /sedimer ts, biological media, etc. Each sample to be assayed.is prepared'and counted in standard geometries such as one liter wrap-around Marinelli containers, 300 mi or 150 mi bottles, or two-inch filter. paper source geometries. Samples are counted on large (>55 cc volume) Ge(Li) detectors connected to Nuclear Data 6620 data acquisition and computation systems. All resultant spectra are stored on magnetic tape. The analysis of each sample consists of calculating the specific activities of all detected radionuclides or the detection limits from a -standard list of nuclides. The Ge(Li) systems are calibrated for each standard geometry using certified radionuclide standards traceable to the . National Bureau of Standards. l l.

DETERMINATION OF-I-131 IN MILK AND WATER SAMPLES BY RADI0 CHEMISTRY AND LIQUID PHASE BY ANALYSIS TELEDYNE IS0 TOPES This describes the radiochemical methods for determining I-131 ~ ~ activity 1n milk and water samples by coincidence counting in the liquid phase. Four liters of sample are first equilibrated with stable-iodide ~ carrier. A batch treatment with anion _ exchange resin is used to remove 'io'dide from the' sample. The iodine is then stripped from the resin with' -sodium hypochlorite solution ~, is reduced with hydroxylamine hydrochloride and-is~ extracted into carbon tetrachloride as free iodine. It is then back- .Gxtracted as iodide into sodium bisulfite solution. The iodide ~ sample solution :is oxidized to the free state using - nan 02 reagent:and is extracted several times into a total of 15 ml of toluene. A;200 ul aliquot is taken for determining chemical yield by spectrophotometer. A decolorizing agent (2-methyl-2-butene) is added to the ^ toluene-iodine solution to form an inert molecule and to minimize liquid scintillation quenching. ~A toluene-based liquid -scintillation counting solution is added to the sample, which is then analyzed by a beta-gated' gamma-coincidence counting system. i< i

C y 11-131(Cont.) y

J

~ CALCULATION OF:THE SAMPLE-ACTIVITY OR 0F THE MDL~ - Thi Sample Activity and the 2-sigma Counting Error are Calculated as- .Follows: ~ N~--S 2 N.+B' 'ht T E . Net 'pCi ~on collection date = - -At-liter 2.22(v)(y)(DF)([) 2.22 (v)(y)(DF)(E) _ net. activity counting error -where: ,N = _ total counts from sample (counts)_ bt = counting time for sample (min)

S = background rate of counter (cpm)

~ -2.22 = d u p

v = volume-of sample. analyzed (liters).

~ y = chemical yield of the mount or sample' counted: DF = decay factor from the collection to the mid count time F = efficiency of the counter.for 1-131-l; Note: Efficiency is determined by counting an I-131 standard.- Consequently, the branching intensity (abundance) of _the I-131 gamma does not appear in the above equation.- ~ Calculation of-the MDL - If the net activity (previously defined) is equal to or is less-than a specified. multiple of the background counting error, the activity on the collection date is below the limits of detection ~ and is called "less than" (L.T.) or " minimum detectable level" y. _(MDL). The L.T..value can be specified by stating only the counting . error at a predetermined multiple (tm) of the one sigma sta-tistics. A sigma multiple (em) of 4.66 is used for calculation of the L.T; values unless another multiple such as 2.83 is specified, p b I' k

thus L.T.

= L l2.zzlv)lyllutllE)

DETERMINATION OF' RADIOSTRONTIUM IN MILK SAMPLES TELEDYNE IS0 TOPES Stable strontium carrier is added to 1 liter of sample and trichloracetic acid.(TCA) is added.to produce a curd. The curd is separated by filtration and is discarded. An oxalate precipitation is performed on the filtrate and the precipitate is ashed in a muffle furnace. The ash is leached in hydro-chloric acid. Calcium and strontium are precipitated as phosphates, collected -- by vacuum filtration, then dissolved in nitric acid. Strontium is precipitated as Sr(NO )2 repeatedly using 90 %, then 70% nitric acid. A barium 3 chromate scavenge and an iron (ferric hydroxide) scavenge are then performed. Stable yttrium carrier is added and the sample is allowed to stand for 5 days or longer for yttrium ingrowth. Yttrium is then precipitated as hydroxide, is dissolved and re-precipitated as oxalate. The yttrium oxalate is mounted on a nylon planchet and is counted in a low level beta counter to infer Sr-90 activity. Sr-89 activity is determined by precipitating SrC03 from the sample after yttrium separation. The precipitate is mounted on a nylon planchette and is covered with an 80 mg/cm2 aluminum absorber for low level beta counting. CALCULATION OF THE SAMPLE ACTIVITY OR OF THE MDL FOR Sr-89 S-S N_ + SC + BA N_ At C A 2 At = i At Net pCi Mter 2.22(v)(y3)(DFSR-89)(fSR-89) 2.22(v)(y3)(DFSR-89)(ESR-89) T (E8TT8NINn8 ate) net activity cougtgrror

4 Strontium (Cont.) total counts from sample (counts) where: N. = counting time for sample (min) At = background rate of counter-(cpm) using absorber -- SC = configuration d )m 2.22- = p7 volume of sample analyzed, liters v = background addition from Sr-90 and ingrowth of Y-90, cpm SA = ys checmical yield of strontium = decay factor from the mid collection date to the counting DF- = Sr-89 date for Sr-89 E Sr-89 Efficiency of the counter Sr-89 with the 80 mg/cm.sq. = aluninum absorber m or 2 = multiples of counting error CALCULATION OF THE SAMPLE ACTIVITY OR OF THE MOL FOR Sr-90 S-2 N +S N Net pCi on Collection date It 2BI at t = (unitvol.orwt.) 2.22 (v)(yl)(Y2)(DF)(IF)(E) 2.22 (v)(yl)(y2)(DF)(E)(IF) net activity counting error

.-h ,l r ) \\ ' Strontium (Cont.) } 4 4 g e. 1 where: N= totalcountsff5msample(counts) .;. r - . At' =. = counting time fer, sr;nple (m'in) background rato of counter (. cpm) 6 = 2.22= - dIxn V"T, volume or weight of sample anahyzed y = ' chemical yield'of the mount or' sample counted .y1 = y2 = chemical yield' of strontiurg decay factor'of yttrium from the milking time to the mid DF = count time f = : efficiency of the counter 2 or am = multiples'of counting error IF 4.ingrowthfactorfory490fromscavengetimetomilkingtime I e d f ( 't,. e / / 1 P + \\ e s' f' N g s ) 9 h 1' h 4-t '

4 DETERMINATION OF TRITIUM BY GAS COUNTING TELEDYNE IS0 TOPES A 2 ml aliquot is changed into hydrogen gas and collected in an activated charcoal, trap..The hydrogen is then transferred into a previously evacuated one liter proportional counter. Non tritiated hydrogen and ultra-high purity methane is_added and then counted. Backgrouncs and standards are counted in the same gas mixture as the samples. Calculation of the sample activity or the MDL: 3.234x(TV)s x VN (CPM)G - BKG ia 6G2 + 6B2 Net pCi CPMN* s ~ = - unit vol. where:(TV)N the tritium units of the standard = VN volume of the standard used to calibrate the efficiency = cf the detector - in psia-volume of the sample loaded into the detector - in psia Vs = (CPM)N = the cpm activity of the standard of volume VN (CPM)G= the gross activity of the sample of volume Vs and the detector background the background of the detector in cpm BKG = conversion factor changing TV to pC/E 3.234 = counting time for the sample At = multiple of the counting error em = standard deviation of the gross activity of the FG = sample and the detector background, in cpm 6B = standard deviation of the background, in cpm

r

Tritium

(cont.)

jIf Lthenet'activityi(CPM)'g;-BKGisequal.toor,islessthantwiceth'e ~ g.W counting error, the activity on the. collection date'is'below the-limits of-detection. and is called "less than" (L.T.) or' " minimum detectable level" (MOL); 2 2 thusL.T.=2x3.234'x(TV)NXTVNx TG ' +#S: -L(CPM)N X Vs'.. - where: G'=: standard deviation.of.the. gross activity of the sample'and the detector background, in. cpm standard deviation of the background, in cpm 8 = ( L-: ?.' E t, i' .,s.

y ,r-VIII. EPA INTERLABORATORY COMPARIS0N PROGRAM-t

INTER-LABORATORY COMPARIS0N PROGRAM ^ } (;.. Teledyne Isotopes participates in the EPA radiological interlabor-h -) i atory comparison (cross check) program. This participation includes a number of analyses on various sample media as found in the Peach Bottom Atomic Power i'~. Station REMP. As a result of this participation, an objective measurement of ,'E analytical precision and accuracy, as well as, a bias estimation of the 4 results are obtained. Of the 92 analyses performed at TI, 86 fell within the ~( 1-EPA mean and standard deviation. Refrences E, F, and G discuss any discrep-

1.. '

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- - -- - wm.,m - - zm_ _ _ _ TABLE 1 INTER-LABORATORY COMPARIS0NS, 1984 TELEDYNE ISOTOPES Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d. 01/06 Water Sr-89 36. i 8.7 29.3 1 8.7 36. i 9. Sr-90 24 1 2.6 23. t 3. 23. t 3. 01/20 Water Gross Alpha 10. i 8.7 8. t 3. 10. t 3. Gross Beta 12. i 8.7 12. t 3. 13. t 3. 01/27 Food Sr-89 34. t 8.7 33.3 i 1.7 31. t 5. Sr-90 20. i 8.7 21.7 i 1.7 21. t 3. 1-131 20. i 10.4 16.3 i 1.7 20. i 4. Cs-137 20. t 8.7 24.1 1 0.6 21. i 3. K 2720. 1235. 2503. 1555. 2665. 1246. 02/03 Water Cr-51 40. i 8.7 L.T. 80. 40. t 8. Co-60 10. t 8.7 15. i 7.9 11. 2. Zn-65 50. i 8.7 53.3 -i 16.5 50. i 8. Ru-106 61. i 8.7 58.7 i 33. 55. i 9. Cs-134 31. i 8.7 33.3 i 3. 29. i 3. Cs-137 16. t 8.7 19.3 i 1.7 16. t 3. 02/10 Water H-3 2383. 1607. 2270. 1786. 2366. 1247. 03/02 Milk I-131 6. i 1.6 5.7 i 1.7 6. i 1. 03/16 Water Gross Alpha 5. t 8.7 5. i 1.3 6. t 2. Gross Beta 20. i 8.7 20. i 3. 20. i 3. 03/23 Air Filter Gross Alpha 15. t 8.7 19. i 1.7 16. i 3. Gross Beta 51. i 8.7 45. i 3.0 56. i 6. Sr-90 21. t 2.6 20. t 6.0 19. 1 2. Cs-137 10. i 8.7 11. i 3.5 12. t 3. 04/06 Water I-131 6. i 1.5 5.5 1 0.4 6. i 2. 04/13 Water H-3(E) 3508. 1728. 2660. 1342. 3461. i288.

.-.,,, ~.,,...,. -., TABLE 1 (Cont.) INTER-LABORATORY COMPARISONS, 1984 TELEDYNE IS0 TOPES Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d. 04/20 Water Gross Alpha 35. i 15.2 22. i 4.6 28. i 7. (Sample A) 04/20 Water Gross Beta 147. i 12.7 117. i 17.3 (D) (Sample B) Sr-89 23. i 8.7 18. i 7.5 24. i 7. Sr-90 26. t 2.6 22. i 3.5 25. t 4. Co-60 30. t 8.7 29. i 6.2 30. t 4. Cs-134 30. i 8.7 29. i 4.6 29. t 4. Cs-137 26. i 8.7 29. t 6.0 26. i 3. 05/04 Water Sr-89 25. i 8.7 23. i 5. 24. 1 4. Sr-90 5. i 2.6 5.0 1 0.5 5. i 1. 05/18 Water Gross Alpha 3. i 8.7 2.7 i 0.8 3. i 1. Gross Beta 6. i 8.7 6.9 i 4.0 7. 1 2. 06/01 Water Cr-51 66. t 8.7 L.T. 90. 64. i 13. Co-60 31. t 8.7 33. i 3.5 31. i 4. Zn-65 63. t 8.7 68. i 15. 63. i 9. Ru-106 29. i 8.7 L.T. 50. 30. i 11. Cs-134 47. i 8.7 46. i 5. 44. i 6. Cs-137 37. i 8.7 39, i 1.7 37. i 4. 06/08 Water H-3 3051. 1622. 3210.

1834, 3039.

1235. 06/22 Hilk Sr-89 25. i 8.7 22. i 1.7 21. t 5. Sr-90 17. i 2.6 17. i 4.6 15. t 2. I-131 43. i 10.4 40. i 9.6 43. t 4. Cs-137 35. i 8.7 37. i 3. 36. i 3. K (F) 1496. 1130. 1653. i 46. 1560. i 97. 07/20 Water Gross Alpha 6. t 8.7 3.8 1 2.4 (D) Gross Beta 13, i 8.7 11.3 i 3.5 (D)

.g w r - -= .., y ;j.., TABLE 1 (Cont.) INTER-LABORATORY COMPARISONS, 1984 TELE 0YNE ISOTOPES Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d. 07/27 Food Sr-89 25.0 i 8.7 17. 1. 9. (D) (C) Sr-90 20.0 t 2.6 20. i 9. (D) 1-131 (G) 39.0 i 10.4 19. t 3.5 (D) Cs-137 25.0 t 8.7 26. i 11. (D) K (F) 2605.0 1226.0 3027. 11183. (D) 08/03 Water 1-131 34.0 i 10.4 31. i 3.0 36. t 5. 08/10 Water H-3 2817. 1617. 2930. i 127. 2842. 1251. 08/24 Air Filter Gross Alpha 17. i 8.7 16. i 1.7 17. t 3. Gross Beta 51. t 8.7 47. t 3. 52. i 6. Sr-90 18. 2.4 18. i 1.7 17. i 2. Cs-137 15. t 8.7 17. i 4.6 17. t 4. 09/07 Water Sr-89 34. t 8.7 29. t 4.5 30. 8. Sr-90 19. i 2.6 19. i 1.0 18. t 3. 09/21 Water Gross Alpha 5.0 t 8.7 6. t 0.0 5. t 2. Gross Beta 16.0 t 8.7 14. t 3. 15. 1 3. 10/05 Water Cr-51 40. i 8.7 L.T. 107. 38, i 8. Co-60 20. t 8.7 23. i 10.4 20. i 3. Zn-65 147. i 8.7 155. i 17.6 149. t 12. Ru-106 47. t 8.7 L.T. 53. 45. i 9. Cs-134 31. i 8.7 34. t 12. 29. i 3. Cs-137 24. i 8.7 28. i 10, 25, i 3. 10/12 Water H-3 2810. 1356. 2720. i 531. 2814. i213. 10/22 Water Gross Alpha 14. i 8.7 11. i 1.7 13. i 4. (Sample A) Water Gross Beta 64 i 8.7 65. i 10. 60. t 7. (Sample B) Sr-89 11. t 8.7 9. t 3.5 11. t 4. Sr-90 12. t 2.6 13. i 3. 13. i 3. Co-60 14. t 8.7 19. t 3.5 16. t 2. Cs-134 2. t 8.7 L.T. 5. 3. 1 2.

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%,. c.. e.qcry;..o-y- .~ d. v .s ve..,. 4 3%n.:, ....e.- TABLE 1 (Cont.) INTER-LABORATORY COMPARISONS, 1984 TELEDYNE IS0 TOPES Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d. 10/26 Milk Sr-89 22. i 8.7 15. i 1.7 19. t 4. Sr-90 16. i 2.6 14. t 3. 15. 1 2. 1-131 42. i 10.4 34. i 9.6 40. i 5. Cs-137 32. i 8.7 32. i 12. 32. t 3. K (F) 1517. 1131. 1370. i 52.7 1498. 1143. 11/16 Water Gross Alpha 7.0 1 8.7 7.3 1 1.7 7. t 2. Gross Beta 20.0 i 8.7 21.7 i 1.7 21. t 3. 11/23 Air Filter Gross Alpha 15. t 8.7 15. i 1.7 (D) Gross Beta 52. i 8.7 54. t 3.5 (D) Sr-90 21. t 2.6 23. t 3. (D) Cs-137 10. i 8.7 9. i 4.6 (D) 12/07 Water 1-131 36. i 10.4 36. t 6.9 36. t 5. 12/14 Water H-3 3182. 1624. 3523. 1868. 3206. 1236. Notes (A) EPA Results-Expected laboratory precision (3 sigma). Units are pCi/E for water, urine, and milk except K is in mg/1. Units are total pCi for air particulate filters. (B) Teledyne Results - Average i three sigma. Units are pCi/f for water, urine, and milk except K is in mg/f. Units are total pCi for air particulate filters. (C) Units for food analysis are pCi/kg. (D) Results were not released at time of report. (E) No action was considered necessary as the tritium results are usually accurate. (F) Teledyne Isotopes is now using the same conversion factor to convert pCi/ liter of K-40 to mg/ liter of K. (G) There was a high decay factor due to a delay in receipt of sample after collection. Since results are generally accurate for 1-131, no further action was planned. ? [_ l -;[,l,D.;Mf. _} . }[sll l. ),j'_l._}~ ~.} { : ) -l.} j. ' -i,'l.1:.Jl~..,lJ ~ } { ?. 'i l j f. y : } Q " (. f. Q _. },f.i y q f,'.- j ;. ~ _}}