ML20138M610

Forwards Peach Bottom Atomic Power Station Environs Radiation Monitoring Program,1984,Rept 42 & Peach Bottom Atomic Power Station Regional Radiological Environ Monitoring Program,Rept 20,1984

ML20138M610
Person / Time
Site:	Peach Bottom
Issue date:	05/29/1985
From:	Willsey W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Murley T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8511040146
Download: ML20138M610 (1)

Text

{{#Wiki_filter:_ _ _ _ _ _ PHILAD ELPHI A ELECTRIC COM PANY 2301 MARKET STREET ?.O. BOX 8609 PHILADELPHIA. PA 19101 12151 841-4 m y 29, 1985 Dr. Tnorns E. Murley Administrator, Region I US Nuclear Regulatory Contaission 631 Park Avenue King of Prussia, PA 19406

Dear Dr. Murley:

?ursuant to the requirenants set forth in Section 6.4 of Appenlix B to the Peach Bottcn Staticn Operating License, Envircnnantal Technical Specificaticns and Bases, we are seMing you cne ecpy of the reports entitled " Peach Bottom Atomic Power Station Envircns Radiaticn finitorirr3 Prcgram, January 1,1984, through D2cerber 31, 1984, Report No. 42" prepared by Chemical Waste mmgenant and " Peach Bottom Atomic Power Station Regional Radiological Envircnmental It>nitoring Program, Report 20, January 1,1984 through D2ce ber 31,1934" prepared by the Teledyne Is3 topes. The Radiological Envircnmntal Manitoring Program founi that PBAPS offects on the environment w2re not mmsurable in all media except milk, silt and fish. A srall arount of PBAPS-related I-131 activity was fourrl in milk, Zn-65, Cs-134 and Cs-137 activity was fami in fish, while Co-60, Zn-65, Cs-134, Cs-137 activity was found in silt. The calculated dose from milk is 0.11 mrem to an infant's thyroid, from silt is 2.40E-2 mrem to a teenager's skin and from fish is 2.17E-1 mrem to a teemger's liver. Th3se doses are well below the 10CFR50 Appendix I design objectives of 20 mrem. In tnth melia, the actual doses are much lovar due to the ccnservative assumptions usoi. The 1934 Radiological Envircnmntal &nitoring Program ccnfirmed that PBAPS envircn r2ntal effects from ra31cactive releases w3re well below PBAPS Technical Specification and applicable regulatory limits. Yours truly, ] f f ,f 0$ $;w&e W. B. Willsey Director, Environmental Affairs NBW:htr Attachment lj Wr y / pioBen"J8%;7

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I I I 'g DEACH 30T-OM ATOM C POWER STATION ANNUAL RADIOLOGICAL ENVIRONMENTAL l OPERATING REPORT No.20 I JANUARY 1,1984 THROUGH DECEMBER 31,1984 I l l estresco ros l PHILADELPHIA ELECTRIC COMPANY I er TELEDYNEISOTOPES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675 At40 RADIAll0N MANAGE'_/ENT CORPORATION .t e; / - F-A Il le.,1 g _,,e, I I muus ca

I I I I PEACH BOTTOM ATOMIC POWER STATION Annual Radiological Environmental Operating Report NO. 20 I I January 1, 1984 Through December 31, 1984 E 1 I Prepared for PHILADELPHIA ELECTRIC COMPANY I By TELEDYNE ISOTOPES 50 Van Buren Avenue Westwood, New Jersey 07645 and i Radiation Management Corporation Fricks Lock Road, R.D. 1 Pottstown, PA 19464 I May 1985 I

I TABLE OF CONTENTS I PAGE 1.

SUMMARY

AND CONCLUSIONS 1 II. INTRODUCTION A. Program Objectives 3 B. Program Implementation 4 III. TELEDYNE PROGRAM DESCRIPTION l lg A. Sample Collection and TLD Placement S l '3 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 An alysis B. Discussior, 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 Ib V. TABLES VI. FIGURES VII. SYNOPSIS OF ANALYTICAL PROCEDURES VIII. EPA INTERLABORATORY COMPARISON PROGRAM i

I1 LIST OF TABLES l TABLES I. TI Station Designation and Sample Identification System for Peach Bottom Atomic Power Station REMP,1984 II. TI Sample Collection and Analysis Program j III. Radiological. Environmental Monitoring Program Summary, 1984. IV. Analytical Data for Surf ace Water Grab Samples V. Analytical Data for Surf ace Water Composite Samples VI. Concentrations of Gamma Emitters in Surface Water in j the Vicinity of Peach Bottom Atomic Power Station, 1984 i VII. Analytical Data for Discharge Water Grab Samples i VIII. Analytical Data for Discharge Water Composite Samples j IX. Concentrations of Gamma Emitters in Discharge Water in i 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 l XIII. Analytical Data for Air Particulate Samples XIV. Concentrations of Gamma Emitters in Air Particulates in 3 the Vicinity of Peach Bottom Atomic Power Station, 1984 3 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 I I I I 11

I ) LIST OF TABLES (CONT.) I l TABLES XVIll. Concentrations of Sr-89, Sr-90 and Gamma Emitters in Mil k in the Vicinity of Peach Bottom Atomic Power Station, 1984 XIX. Analytical Data for Soil Samples XX. Monthly TLD Results iI XXI. Quarterly TLD Results XXII. Mean Monthly and Quarterly TLD Results for the Site Soundary, Middle and Outer Rings 1 XXIII. Typical Minimum Detetctable Levels of Nuclides Searche ,I for but not found in the Vicinity of Peach Bottom Atomic Power Station, 1984 XXIV. Collection Dates for Air Particulate and Air lodine Samples, 1984 lI l 'llI i lI 1 l l I I I l 1ii 1

~ ] 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 Surf ace Water Collected near Peach Bottom Atomic Power Station, 1984 (Soluble Fraction-Grab) 7 Comparison of Monthly Gross Beta Concentrations in Surf ace Water Collected Near Peach Bottom Atomic Power Station, 1984 (Insoluble 3 Fraction-Grab) 3 8 Comparison of Monthly Aqueous Tritium Concentrations in Surface and Discharge Water Collected Near Peach Bottom Atomic Power Station,1984 (Total Sample-Composite) 9 Comparison of Monthly Gross Beta Concentrations in Surf ace and Discharge Water Collected Near Peach Bottom Atomic Power Station, 1984 (Soluble Fraction-Composite) 10 Comparison of Monthly Gross Beta Concentrations in Surf ace 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 lodine-131 Concentrations in Milk at N?ar, Intermediate and Distant Farms in the Vicinity of Peach 3 Bottom Atomic Power Station,1984 (Total Sample) g ( 13 Comparison of Average Strontium-90 Concentrations in Soil Collected Near Peach Bottom Atomic Power Station, 1970-1984 (Top one Inch) I I iv

lI LIST OF FIGURES (CONT.) FIGURE I 14 Comparison of Average Strontium-90 Concentrations in Soil l Collected Near Peach Bottom Atomic Power Station, 1970-1984 (Bottom Cut)

g 15 Comparison of Average Cesitsn-137 Concentrations in Soil 3

Collected Near Peach Bottom Atomic Power Station, 1970-1984 l (Top one Inch) 1 ) 16 Comparison of Average Cesium-137 Concentrations in Soil Collected Near Peach Bottom Atomic Power Station, 1970-1984 j (Bottom Cut) I 17 Comparison of Average Monthly TLD Results Collected at Site Boundary, Middle and Outer Ring Statio.s 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 i I !I

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SUMMARY

AND CONCLUSIONS i r l I I h I I I I I r I l

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SUMMARY

AND CONCLUSIONS I This report on the radiological environmer.tal 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. I 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 I samples collected on March 31 and December 1 while station 61 showed positive iodine-131 concentrations on February ll, August 4, September 1, October 29, and December 1. The presence of this isotope at the unaffected station I and at a greater level than the potentially af fected 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, I 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 I 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 I sa ples 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, 1984. 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. I 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 thermolumi-nescent dosimeters. Results from the site-boundary, middle and outer I 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 I Bottom Atomic Power Station resulted in no significant radiological impact on the environment. I I I

I I I I I I I II. INTRODUCTION I I I I I I I

l 1I. INTRODUCTION ) Teledyne Isotopes (TI) began conducting a radiological environmental I monitoring program in July 1983 for the Philadelphia Electric Company i 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-J tion. Data from programs conducted in prior years have been presented in a series of reports numbered 1 though 19. 1 i This T! program complements an existing program being conducted by others l 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 l 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 i 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, i 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 ,1 first reached f ull power on June 16, 1974 Peach Bottom Unit No. 3 first reached full power on December 21, 1974 A special preoperational report (1) for Peach Bottom Units No. 2 and No. I 3 has been issued previously which summarizes 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. I This report contains data for samples representing the period January 1, 1984 through December 31, 1984 A. PROGRAM OBJECTIVES 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 anbient radiation levels. I I 3

3. Determine, within the scope of the program, any measurable quantity of radioactivity introduced to the environment by the operation of the Peach Bottom Atomic Power Station. l 4 Complement other existing radiological environmental monitoring programs at Peach Bottom Atomic Power Station, j i I I B. PROGRAM IMPLEMENTATION in order to achieve these objectives, the following analyses ) were performed on samples collected during the period of this

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1. Measured and evaluated concentrations of aqueous tritium in f surf ace water, discharge water, well water and milk. 2. Measured and evaluated concentrations of alpha emitters in l surface water. i I 3. Measured and evaluated concentrations of beta emitters in surf ace water, discharge water, well water, precipitation l and air particulates. 4. Identified, measured and evaluated gamma emitting radionuclides i in surf ace water, discharge water, precipitation, air particu-I lates, milk and soil. l S. Measured and evaluated concentrations of lodine-131 in milk, air and surface water, j 6. Measured and evaluated concentrations of Strontium-89 and Strontium-90 in soil and milk. 7. Measured ambient gamma radiation levels in the environment i and evaluated the variations with time and location with respect to the Site. i l \\ \\ I I I l I I 4

I I I I I III. TI PROGRAM DESCRIPTION I I

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111. Il PROGRAM DESCRIPTION s. SAMPLE COLLECTION AND TLD PLACEMENT PROCEDURES The program being conducted by TI is described in Tables I and 1 I II and Figures 1-3. E Sample Collection i 3 3. Water (except precipitation) All samples were colle ted in new polyethylene bottles. 2 All persons involved in sampie collection and hanoling were advised not to wear luminous dial watches in order +1 I avoid possible cross contamination f rom 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 j at stations 1LL, IMM, 61 and 4L. Weekly samples were i 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 2 described in more detail in Table 11, Section V. b. Precipitation Precipitation was collected in an apparatus consisting of II 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 ll l of precipitation was recorded continuously by a separate rain gauge at station lA. = i c. Air Particulates l Air particulate samples were obtained using a vacuum j sa pler and glass fiber filters, 47 millimeters in diameter. The filter was replaced weekly and sent to TI for analysis, j The vacuum sampler was run continuously at approximately 1 cubic foot per minute, d. Air lodine l Air iodine samples were obtained using a vacuum sampler and charcoal filters, 47 millimeters in diameter. The filter was replaced weekly and sent to TI for analysis. The vacuum sampler was run continuously at approximately 1 cubic foot per minute, i e. Milk s a m p l e *, were co'lected in new oolvethvlene boh les I from the bulk tank at each farm, refrigerated and shipped i, immediately, ho preserva*.ive was added. !I i ~...

I 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. 3 The TLD stations were placed on and around the Peach Bottom 3 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,. and free from local obstructions; (4) Near the closest house to the stack in the prevailing down wind direction, e. Each TLD set (4 TL0s per set) was placed in a sealed poly-ethylene package to verify the integrity of the dosimeters when collected. Two packages were kept in a locked formica " birdhouse" or polyethylene jar, about six feet above the ground or supporting surface at each location. At each station one package was exchanged for measurement on a monthly schedule, and one on a quarterly schedule. I 6

I B. PROGRAM CHANGES I 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 I 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 I found in Section VII of this report. D. EXCEPTIONS TO THE PROGRAM. I 1. The composite discharge water sampler at station 1MM 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 surf ace water sampler at station lLL malf unctioned, I therefore, no sample was collected between 02/10/84 and 03/03/84, 05/06/84 and 06/03/84 3. Well 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 j 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 IB between 06/09/84 and 06/30/84, 08/12/84 and ,3 08/18/84; and at station 120 between 04/16/84 and 04/23/84, 3 09/24/84 and 10/09/84 All stations except 120 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 ID in the fourth quarter due to vandalism of TLD's. I i ) 7

m I I I I I I I IV. RESULTS AND DISCUSSION I I I I L.__

IV. RESULTS AND DISCUSSION A. DATA INTERPRETATION AND STATISTICAL ANALYSIS Several factors are important in the interpretation of the data. In order to avoid undue repatition 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 su'ficient to establish the radiological characteristics of the medium. This method, however, is only representative of the sampled medium for that I 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 counterbal-ance one another, the extraction of averages based upon repetitive grab samples is valid. 2. Minimum 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 minimu-1 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 f all. 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-I 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. 1 u

.Il B. DISCUSSION OF RESULTS ll Results are sunmarized 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. l. Surface Water Samples were taken from nine stations on a monthly schedule. Three stations (lLL, 4L and 61) were continuous composite samples and five (lQ, 4F, 4G, 6A and 13A) were grab samples. Station 13B 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 6I) were above Holtwood Dam and, therefore, could not be g affected by plant discharges (refer to Figures 1 and 2, E Section VI, for station locations). The following analyses were performed on surf ace water samples, a. Tritium Total samples from seven stations care analyzed for concentra-tions of aqueous tritium. Samples from stations ILL, lQ, 4L and 61 were analyzed on a monthly basis, while samples f rom stations 4F, 6A and 13A were composited monthly into a quarterly s ampl e. Results of this analysis for surf ace 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 af fected 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/l 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 Tatles 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 E to the presence of sediment, a reservoir of fallout and natural E alpha emitters. 10

I c. Gross Beta Samples from all stations were analyzed for concentrations of gross beta in the soluble and insoluble fractions. Results of I gross beta analysis in surface water samples can be found in Tables 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-1 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 reser-voir of f allout and natural radioactivity. (Figures 6 and 7, Section VI), } d. Iodine-131 Samples collected during the one week of each month from 0?/G4/84 to I 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 k g the minimura detectable level. Detectable concentrations were found [ g at station 6I in February, July, August, September and November and K at station 4L in March and December. The 1-131 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 I with the exception of K-40, Cs-137 and Th-228. K-40 was found in June at stations 1Q and 13B; 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 1LL in March and October, respectively. 2. Discharge Water Samples were taken from two stations (1M and 1MM) on a monthly schedule (refer to Figure 1, Section VI, for station locations). I 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 I in discharge water samples can be found in Table Vil and VIII, Section V. The concentrations detected were I 11

within the range found during the Peach Bottom Units rumbers 2 and 3 preoperational period (1). Reported tritium concentrations increased during the third quarter to the 400 pCi/f 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, g still well within historical environmental levels, was most probably E related to somewhat higher than normal PBAPS tritium realeases during the fourth quarter. Even the maximum concentrations found, 690180 pCi/f was well below the reporting level of 20,000 pCi/f. A graphical comparison of concentrations of aqueous tritium results for composite surf ace 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 insoluble 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 surface 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 conecotrations of K-40 were found at station 1M in December and Th-226 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 withir. the Site g area. The other stations were located approximately one mile E (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 E samples were within the range found during the Peach Bottom Units g numbers 2 and 3 preoperational period (1). Reported tritium concentrations increased at station 40 in the third quarter to the 400 pCi/f 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). 12 I

l i J b. Gross Beta l Samples from all four stations were analyzed for gross beta l concentrations in the soluble and insoluble fractions. Results of gross beta analysis on well water samnles can be found in Table X, Section V. The concentrations detected were within the 1 range observed during the Peach Bottom Units numbers 2 and 3 preoperational period (1). 4. Precipitation 4 l Precipitation was collected from two stations on a monthly I schedule. Station lA is located at tne on-site Peach Bottom Weather Station number 1. Station 8, located in Colora, Md., l 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 sc.mples, a. Gross Beta Monthly samples were analyzed for gross beta concentrations in l I 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 found 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 l analysis of samples from both stations are given in Table XII, l 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 ) j Continuous air particulate samples were collected from the on-site Peach Bottom Weather Station number 1 (lZ) and from {E the intermediate location, Conowingo Dam (4A) (For station l locations, see Figure 1 and 2, section VI). The following l5 analyses were performed on air particulate samples, a. Gross Beta Weekly samples were analyzed for concentrations of beta emitters, j Results of gross beta analysis of air particulate samples can be l found in Table XIII, Section V. Results observed were similar to levels observed in previous years. I 13

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 E in all of the samples and was the result of cosmic ray activity. g 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 1-131. Three stations (lB, lZ, 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 f arms; three f arms (G, J ana 0) located within two miles of PBAPS were designated "near f arms"; four f arms (0, L, M and N) located 3 to 5 miles from PBAPS were designated as " intermediate f arms"; and four f arms ( A, B, C and E) located greater than five miles from PBAPS were designated as " distant farms". The following analyses l 1 were performed on milk samples. E I a. Tritium Milk from four f arms ( 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 peroperational period (1) b. Iodine-131 Milk from eight f arms ( A, B, C, 0, G, J, N and 0) near Peach Bottom was analyzed for concentrations of I-131, monthly in l January, February, March and December. Weekly 1-131 analyses j resurned during the first week of April and continued through I' I I 14 1

i the third week of November. Three additional farms (L, M and l E) were sampled and analyzed quarterly for I-131. Results of i I-131 analysis can be found in Tables XVI and XVII, Section V i and Figure 12, Section VI. Samples collected from station G had seven consecutive detectable levels reported for the period 09/17/84

I 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 1-131 releases i from PBAPS ouring September and October. The maximum hypothetical dose to an inf ant's thyroid was calculated iI to be 0.11 mrem. This calculation was done using the assumptions of j 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. i d. Gamma Spectrometry One milk sample collected at f arm J in each quarter was analyzed for I gamma-emitting nuclides by gamma spectrometry. Results can be found in Table XVIII, Section V. Nuclide detected was naturally-occuring K-40. Concentraticas were similar to those observed in previous years. I 8. Soil l l Semiannual samples were taken at three locations, one on-site j station (2) and two distant stations (3A and 5) located about I four miles from PBAPS (for station locations, see Figures 1 and 2, Section VI). The area at station 2 is heavily wooded with rock I outcroppings. The soil at this location would be expected to contain substantial humus from the accumulation of natural vege-l 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. 1 1 a. Strontium-89 and Strontium-90 I j 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 I samples can be found in Table XIX, Section V. Concentrations of Sr-89 were less than the minimum detectable level in all 15

I! samples. 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 accumulation of vegeta-tive debris at station 2. b. Gamma Spectrometry Samples from all stations were analyzed for gamma-emitting nuclides by Ge(Li) 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 naturally-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 weapons. 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. 9. Ambient Gamma Radiation Ambient gamma radiation levels were measured with calcitsn sulfate: Tm thermoltsninescent dosimeters. Thirteen stations (IB,1C, ID, IE,1F,1G,1H, ld, IL,1M, INN, 2 and 40) were located around the Site boundary and designated for comparison purposes as the " site boundary ring". Twenty-five stations (3A, 4K, 5, 68, 14, 15, 17, 22, 23, 26, 27, 31, 32, 33A, E 38, 42, 43, 44, 45, 46, 47, 48, 49, 50 and 51) were located within a 3 10 mile radius of the Site and designated as the " middle ring". Seven stations (12B,16,18,19, 20, 21B 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 (1A 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 g quarterly radiation levels were within the range found during the g 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 l in ambient radiation levels with distance from PBAPS, indicating no measurable Station contribution (Table XXII, Section V, Figures 17 and 18, section VI), 16

lI REFERENCES l (1) Radiation Management Corporation Publication, Peach Bottom Atomic Power Station Preoperational Radiological Monitoring Report for Units 2 and 3, January 1974, Philadelphia, Pa. i l (2) Interex Corporation, Peach Bottom Atomic Power Station Regional , B Environs Radiation Monitoring Program Preoperational Summary Report, Units 2 and 3, February ), 1966 through August 6, 1973, June 1977, Natick Mass. l (3) Teledyne Isotopes, Quality Control Data - 1984. (4) Teledyne Isotopes, Peach Bottom Atomic Power Station Annug] Radio-Logical Environmental. Operating Report #19, May 1984, best cod NJ. iI I I l I I I I I I i 1 l ) I l 17

_--a- -, - -..- -. m-1.-- - = - ..a,s s,a-a b G I lI i I f l .i 1 i I I h I V. TABLES l ) i l l 1 I !lI I

I TABLE I 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: VV - Power Plant identification code PB - Peach Bottom Atomic Power Station WWW - Type of Sample SWA - Surface Water DWA - Discharge Water i WWA - Well Water RWA - Rain Water APT - Air Particulates AIO - Air iodine MLK - Milk SOL - Soil IDM - Immersion Dose X X, - Angular Sector of Sampling Location Compass is divided into 36 sectors of 10 degrees each with I 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. Y - 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 I 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 ~ - Station's Numerical Designation within sector and zone, using Z 1,2,3.... in each sector and zone. I I

I Alill !! 11 SAMPLL COllt CilON AND ANAL YSIS PHOLHAM L ENV. ?IAi!UN IOCAllON, 51AllON SIATION NAMI il STAlluN Dlif0110N AND DISTANfl Cul l i C I l ON Mt T HOD ANAL YSIS AND I Hf UUI NCY NO. DiSIGNAllON IHUM PlAfH Hul110 AND FHIQUINfY Plld URMI O A. SURF ACE WAlf R Il L Peach Dot t om (H-SWA-654 cont inunta nampler Un Sit e Wat er a s cont inuowly s4*npled Aq f t it tum - monthly Unit s 2 and 3 at i nit n 2 and 5 lat ale f rom t he Peach Hot tom ikilts Cross Beta (Sa!) - monthly l Int ake - Composit e 1200' [NI of linit s 2 and 5 2 and 3 Int ak e and is collected Gamma Spec - monthly in a 190 a ps i l on t ank. fach l vek 2 qts. are - *Sdrawn i rom t he t ank aor t o drain-inq t he t ank mut placed in a 2 gallon polyethylene bottle to form a monthly composite

sample, 1Q Peach Bottom PH-SWA-653 Iki Sit e at Unit No. 2 Int ak e Iwo gallon grah sample is 5ame as station ILL above lim i t No. 2 about 1200' t NE. of lkitts 2 collected in front of i nt ak e Int ak e and 3.

structure fronthly. I 4F Conowingo Dam PH-5WA-1412 In the Conowirujo Hydro-lwo gallon grah sample in Aq f r it tum - quart erly camp. l [1. 33' elect r ic St at ion, 6.6 t ak en monthly from the same Gross Alpha (541) - monthly I MSL miles SL of Unit s 2 and 3. header which is used for the bross Beta (551) - monthly compos tte sample (4L ). This Lamma Spec - monthly header continuously draws pond ) water from about elevatinn 33' i MSL. This sanple and PH-SWA-14F 3 samples are collected at the i same t me. i 4G Conowingo Dam FU-SWA-14f3 At Conowinqo Dam in Iwo gallon grah sannple is Gross bet a (541) - mont h l y Surface Maryland, 8.5 miles SE of collect ed near the,ur f m e Gamma 5pec - mont hly j Unit s 2 and 3 Water sample of the Pond on the upstream is taken f rom Conowingo nide of the dam monthly. l Pond on upst ream side of a dam. j 4L Conowingo Dam PH-SWA-14F5 Continuous sampler in Wat er in continuously sampled Aq frittum - monthly 1 El. 33' MSL - Conowingo Hydroelect ric f rom a header whic h draan Punit Gross Alpha (541) - mont hly j composite St at ion; about 8.6 miten water f rom elevation 3 3 ' Mst Gr oss l:e t a '. 541 ) - monthly l 51 of lin tt a 2 and 3. and is collect ed in a 175 qal. Gamma Spec - monthly tank. fach week 2 qts are 1-131 - mont hl y withdrawn f rom the tank prtor to dr aining t he t ank ar'd placed in a 2 gal. polyethylene bottle to f orm a monthly compos tte sarrple. i 6A Holtwood Dam PB-SWA-33f1 At Holtwood Dam, Pa., 5.0 Two gallon grab sample is col-Same as station M above Hydroelectric miles NW of Units 2 and 3. lected f rom Holt wood Pond at St at ion Hydroelect r te St at ton int ak e nnnthly. i M M M M M M M M M M M M Y$ M M M M

M M M M M M M M M M M M M M M I AHI f II (cont.) Il sat 1't f 001itCIl0N AND ANALYSIS PROCHAM LNV. SIAllON IUCAllON. STATION STATION NAff 11 STA110N DlHLCIION AND DISTAND CH1ItfilON F1 IHOD AN A! V 515 AND f liqqt Nry NO. DiSIGNA110N F HOM Pt ACH B0T10M AND f HI QUI NCY PFid OH!t U A. SURF ACE Wall R (cont.) i 61 Holtwood Dren Ptb SWA-3 36 4 Continuous runnple r at Wat er is cont inuousl y Aq f rit iisn - monthly Hydroelect ric Holt wood Dan, P a., S.H s,npled f rom t he Holt wood Gross Alpha (FAI) - monthly St at ion-Compos t t e miles NW of Units 2 and 5 Hydroelect ric St at ion Cross Heta (SAI) - monthly int ake and is collect ed in Granma Spec - monthl y a l h gal. t ank. Each week 1-131 - monthly 2 qt s. are wit hdrawn f rom the t ank arwi placed in a 2 qal. pol yet hylene hot t le to form a mont hl y compos i t e nipple. 13A Chester Wat er PibSWA-1101 th east shore of Conownqu Two gallon grah sienple Aq T rit tisn - quart erly comp. Int ake-Pond Pond at Chent er Wat er is collect ed f rom Conowinqo Grons Het a ( 541) - mont hly Aut horit y I nt ak e, 2.4 Pond near the shore monthly. Givama Spec - monthly mi l es E ff o f Un it s 2 and 5 138 Chest er Wat er PibSWA-11C2 At Chent er Wat er Aut horit y Two gallon qrah s;vnple is Gross Bet a (SAI) - monthl y Int akt -ptsnp int ak e. The scene au collected from pasnp discharqe Granma Spec - mont hly Disch a rge PfbSWA-1101 but the srsnple durinq any mont h that the is callect ed f rm t he pump p(snp operat es. d i sc h a rge. B. DISCHARGE WATE R IM Peach Bot tom Pil-DWA_1152 l ocat ed at Canal Discharge t wo galloo grab siunple is Aq T rit iiri - monthl y Canal Discharge st ruct ure; 1.0 mil es Si collectevi at the exit of Gross Het a f 551) - monthly of Unit n 2 and 5. the discharge cwial monthly. G;rwna Spec - mont hl y 1MM Peach Bot t om Plb DWb l 555 A cont inuous siunpt re on Wat er is cont inonosly sa, pled 5.sne as st at ton 1M ahove Canal Discharge-sit e at canal discharge 1.0 f rm t he Peach Hot t om Unit Compos it e miles SE o f Un i t s 2 and 5 2 and 3 discharge c anal ar*1 in collect ed in a 190 gallon t ank. E ach week 2 qt s. are wit hd rawn f rom t he t :sik and placed in a 2 qal, polyethylene bot tle to form a mont hly composit e s;cple. )

1 1 Altl l 11 (cont. ) 11 SAMPLI fulll CilHN AND ANAL BIS PHOLHAM [NV. 51A1 ION IUFAIINN, STAi!ON stall 0N NAMI 11 SIAI!UN DlHIEllHN AND DISTANfl L'Ull t El lhN MI IHOD ANAL BIS AND f Hiljht NCY j NO. DiStGNAiION IHUM PtACH BUTIOM AND I FI IJul NC V Pt H UFMI D C. Witt WAilR IU Peach Bottom Pf t-WWA-1 %2 Well at Pinot Sit e. 1400' hell pump is run for Aq Ir tt tum - quarterly Sit e-llt ilit y 5 of thitt s 2 and ). several minutes prior to Gross beta (541) - quarterly Building sampling in order t o f lush the nample 1noe. Then two spillon grab seurple is t ak en f rom t he buildinq L f not et quarterly. i IV Peach Bottom PH-WWA-1252 Well at Plant Site. 1400' Same as st at ion 1U above Some as station 10 above Site-Info. %l of thitt s 2 and 5. Cent er 40 Peach Hottom PB-WWA-2182 Well in Site Area, 1.5 mile, %me an st at ion 1U above Same as st at ion 10 above Site Area SW cf lin tt s 2 and 3. I 7 Da r l ingt on, Kl. Pti-WWA-IrJ 1 9.6 miles S'>t of Units 2 Saw as st at inn IU above Same au stat ion 10 above l Area and 3 in Hart ford Co., H1. D. PRECIPITATION 1A Peach Bottom Pil-HW A-1151 On Site at Weather St at ton the uample f rom the rain Lross beta - monthly Weat her NO. 1, 0.3 miles SL of Unit s collector is shipped t o Gawa Spec - mor'thly i i St at ion No. 1 2 and 3. Il monthly. The rain I collector consists of an I H-inch diamet er plast ic f unnel connet t ed t o a two-qa11on polyethyIene l container. l l 8 Colora, H1. Pil-RWA-12f1 9.9 miles t$f oflimits 2 Same as stat inn 1A above Same as station 1A abuse and 3 in Cecil Co., H1. E. AIP {+DTICUL ATE S - AIR 100!Nf 18 Peach Hottom Pti-A 10- 1551 On Sit e, 0.5 miles SI of At> ou t 1 cfm continonnu flow I - 131 e rily Weat her St at ion lOtts 2 and 3. through charcoal f lit er No. 2 (approx. 2" dram.) 1s in-st alled for a week and re-placed. i Il Peach flot tom Pti-APT-1154 On Site at Weat her Stat ion About 1 cfm continuous flow Gross beta - weekly Weather St ation PH-A10 1154 No. 1, 0. 3 m i les SE o f Un it s through glass fiber and char-1 - 131 weekly No. 1 2 and 3. coal f t it ers (approx. 2" Lamma Spec - monthly comp. diam.) are inst alled f or a week and replaced. M M M M M M M M M M M M M M

M M M M M M M M M M M M M M M M M I AHl l 11 (cont. ) 11 SAMi ll IUl t i f f luN AN1) ANAL BIS PHIK. HAM LNV. SIA!!UN IUCAlluN, STAT 10N STATION NAMF 11 SIAIIUN DlHI f:1 ION AND D151 AM t. Cut 1 LEI 10% tt!IHUD ANAlYSib AND iklIsl;lM.Y NO. Of SIGNAlIUN THUM l'1ACU 1401iUM AND I Hi IJul M:i Pt Hi OkMi D l l E. AIR PARilft!t ATES - AIR lHDIM (cont. ) 2 Peach Bot tom PH-A10-13S1 Un Si t e, 0.9 Milet SE of Same as st at inn lli ahose 1-131 - weekly Sit e 130* Sect or Un i t s 2 and 5. Hill I 3A De lt a, Pa. PH-A10-23D1 3.6 miles 5W of Unit o 2 'ame as st at ion 10 above 1-131 - weekly ) j Subst at ion and 5 at De l t a. Pa. 4A Conowingo Dam PH - A P I - 14 1 H.t miles Si of Unite 2 and About 1 cf m c oot inonus flow La os Bet a - weekly Powerhouse roof 3 on Powerhouse root an Feeil through a glasu t aber f ilter Lamma 5per - mont hl y comp. Count y, Md. (approx. 2" diam.) in t ou t a l l ed for a week and replated. 5 Wakefield, Pa. PH-AIO-HI1 At Wakefield, Pa., 4.6 miles Lame ao station 1H ahose 1-131 - weekly L of Units 2 and 3. i i 68 Holtwood Dam PB-AIO-33F2 On the roof of Hydroelect ric Same as station la aboose 1-131 - weekly Hydroelectric St at t on, 5.8 miles NW of Unit s St at ion of Un tt s 2 and 3. 14 Pet ers Creek PB-A10-1UH1 1.9 miles (5l of Units 2 and Same as st at ion 1H abuse 1 131 - weekly 3 near month of Pet ers f reek. l 120 Phila., Pa. PB-AIO-bH2 62 r t les ENL of Unit s 2 and 3 Same as st at ton IB above 1-1 51 - weekly 9 l 2301 Market St. on t he roof of 2 50l Market St reet. f. Mit K A Regional PH-Mt k - 121 1 Dist ant req 1onal farms Two gallon grab mcple 1-131 - weekly Farm A nur rounding t he Sit e, is collerted at em h Aq t r it iie - qu,.r t er ly des ignat ed "A". "B" and farm f r om a t ank cont ain ing B Hegional PB MLK-Zl.f1 "C" on the went inde of milk from all rows weekly 1-151 - week l y j farm B Conowingo Pond and "l" while cows are on paat ore, j on the east side of mont hly ot her wist. j Conowingo Pond. Nearby Samples are shipped t o II. C Regional PH-Mik-31F1 regional farm surroundtn, Same as st at son A abose f arm C t he Peach Bot t om Site on the west side of Conowingo D Regional PU-MLK-5DI Fund are destynated "L", "J", Same au st at ion b abose Farm D ,l 4

l 1 l i 1 Ahll 11 (cont. ) l 11 5AMPil 0Hil1filON AND ANAlY515 PRULRAM i' ENV. SIA110N IUCATION, STATION STATION NAMI II SIAI!ON DIRE CIlON AND DIST ANrf COlllCilON Mi1H00 ANALV5IS AND IktfJulNCY NO. DE S t GNAT 10N FRUM PtACH B01IOM AND F Ht IJul NL7 PiHIUl<MLU j i f. MIL K (cont. ) l E Regional Pil-ML K-36f 1 and "O". Regional farms Same au St at ion A above 1-131 quarterly farm E at int ermediate distances eu ept quart erly f rom Peach Buttom on t he l G Regional PH-Ml K-2t H 1 east side are designat ed Same ao station A obove farm G "D", "l", "M" AND "N" 2 J Regional F'0-ML K-28A 1 1-131 - weekly farm J Aq t r it s um - quarterly j br-89 2 quarterly i Lumma Spec - quarter 1y i I L Hegional PH-MiV 5H1 Wme as station A above 1-131 quarterly Farm L except quarterly M Regional PH-MIK-7C1 Same au Station A above Same as station L above farm M except quarterly i l N Regional PH-ML K-11C 5 Same as stat ion b above l Farm N O Regional PH-MtK-22C1 Same as station b above Farm 0 I i i j G. Sall i t i 2 Peach Bottom PH-50L-13S1 On Site, 0.9 miles St Seven cores (7" in diameter Gamma Spec - semiannual l 130* Sector of Unit s 2 and 5 and 6" deep) are collected Sr-89 & -9U - semiannual i Hill from a 50 x SU ft. area semi-annually. Top 1 loch and bottom 5 inches are l separat ed, sealed in plast ic j baqs, and shipped t o 11. t 3A Delta, Pa. PB-50L-23D1 3.6 miles SW of Units 2 and 3 Same as station 2 above Same as stat ton 2 above l l Substation at Delt a, Pa. l 5 Wakefield, Pa. PU-SOL -Bi 1 4.6 miles i of Units 2 and 3 Same as station 2 above Same as station 2 above l at Wakefield, Pa. I r I s

M M M M M M M M M M M M M M M i Alit i i1 (cont.) !I SAttPLl_ Cut t i fi1UN AND ANAL h1S PRilGRAM ENV. SI Al lllN l ul' Al lllN, STATION STAllllN NAMI Il STA110N DIRILI!UN AND DISlANit LOlli filON Mt IHUD ANAL Blb AND lid uul ND NO. DtStGNATION f RilM Pl. ACH Huillet AND fRIIJhlNCY Pl Hi Ul:M1 D H. E NVIRONMf NT AL DOSIMtIRY - IlD At each of t he f ollnwinq st at ions there are 2 environment al dos ameter parket s with 4 Il Ds per parka <p. One packet is replaced mont hly, and one quart erly. The pockets f or each time period are collect ed and replaced on t he same day at all the st at ions 1A Peach Hottom PU-IlYt-1151 On Site, 0. 3 miles Si of Procedure f or collec t ion ilD - mont hly and quart e rly Weather lin t t s 2 and 3. is deser thed in t he St at ion No. 1 placement procedure an Sec. II., A. 1B Peach Bottom PH-IIti-3 351 lin Si t e, 0. 5 mi les NW o f il D -mont hly and quar t erly Weat her (kiit s 2 and 5 l St at ion No. 2 l l 1C Peach Bottom Pit-ilti-1651 On Site, 0.9 miles S5E of Il D - mont hly and quar terly Sout h (kiits 2 and 3. l Substation Rd. ID Peach Bottom PB-IIXt-1451 On Site, 0.7 miles St of I L D - troot hly and qua r t er l y I 140

• Sector lin t t s 2 and 1 l

Sit e Boundary 1E Peach Bottom PO-10M-3551 lki Site, 0.6 miles NNW of IlD - nicothly ano quarterly l 350* Sect or lb1ts 2 and 3. Sit e Boundary 1F Peach Bottom PD-IlX1-20S 1 On S i t e, 0.6 miles 55W of ILD - mont hly and quar t er ly 200* Sector lin 1t s 2 un 1 3 l Ht11 i l l IG Peach Bottom PO-IIN-30S 1 On S1te, U.7 mtles hNW of IlD - monthly and quar t er1y l No r t h lin i t s 2 and 5. j Substation I i 1H Peach Hottom PU-Itti-2 7S 1 On Site, 0.t> rr i len W o f flO - monthly and quart es ly i Stte 270* lin it s 2 and 3 l Sector Hill 11 Peach Bottom PU-IIVt-1551 Un Site, 0.t> mtles 551 of IlO - ruanthly and quarterly Saath Lin 1t s 2 and 3. Substation i IJ Peach Bottom PU-IlXi-18S 1 On Site, 0.7 miles S of ILD - monthly and quarterly l Sit e 180* lhtts 2 and 3. Sector Hill 4

T Ahl t !! (cont.) 11 SAMPi f. T ut L L C110N AND ANAt Y515 PkULRAM ENV. SIAi!UN luCAll0N, STATION STA110N NAME. 11 STATION DIRE CilON AND Dl%I ANCE COlllCIION METHUD ANAtYSI5 AND IHLQUtNCY NO. Of SICNATION fRUM PiACH HOIIUM AND FRfQUINCY PthiURMID ti. [NVIRONME NT AL 005IML1RY - 11 D (cont. ) 1L Peach Bottom PH-IIVI-65 2 l ocat ed near lb s t 5 IlD - monthly and quarterly Unit 3 Int an e nt ruct ure; 0.2 miles I Int ak e i Nf: of lbits 2 and 3. l 1M Peach Rottom FH-IIWi-1352 located near Canal Discharge ILD - monthly and quarterly Canal Discharge structure; 1.0 miles 5t of Ibits 2 and 3. f 1NN Peach Bottom PH-IDH-26$1 ih Site, D.5 miles WSW of it O - rnonthly and quarterly Site tintts 2 and 3 ) 2 Peach Bottom PB-Ilm 1351 On Site, 0.9 miles LL of ILD - monthly and quarterly Sit e 130* thit s 2 and 3. j Sector Hill 3A Delta, Pa. PB-IDM-23D1 3.6 miles (W of thits 2 and 3. ILD - monthly and quarterly i Substation s 4K Conowingo Dam PO-IIV1-14f 1 On roof of Conowingo Power-ILD - monthly and quarterly j 1 Powerhouse house, H.6 miles SL of Units l Roof 2 and 3. j 5 Wakefield, Pa. PB-Ilh 8E 1 At Wakef ield, Pa. 4.6 miles ILD - monthly and quarterly i E of thits 2 and 3. 6B Holtwood Dam Pti-]IN-33f 2 On roof of Hydroelectric ilD - monthly and quarterly 3 j ltydroelect ric St at ion, 5.H miles NW of St at ion thit s 2 and 3. 4 1 28 Phila., Pa. PB-IIN-8H 1 th roof of 350H Market St., I L () - rnont hly and quart erly 3508 Market St. Philadelphaa, Pa. 64 miles L of thats 2 and 3. 14 Peters Creek PU-I LE-1(E l 1.9 miles L SE of Units 2 and 5 near itD - monthly and quarterly the mouth of Peters Creek. 15 Silver Spring PB-IDH-3601 3.6 miles N of Units 2 and 3 near ILD - monthly and quarterly Road 511ser Spring Road. 16 Nottingham, Pa. fW IDM-9G1 12.8 miles E of Unit s 2 and 3 at TLD - monthly and quarterly Substation Nottingham Subst ation. M M M M M M M M M M M

M M M M M M M M M M M M M I Alil i I I ( r ont. ) 1I SAMPLE (11lii FI tilN AND ANAL MIS PHill; HAM ENV. SIAlluN IUCAlluN, STATION STATION NAMI il STA110N DIRifiltlN AND DISTANFl (Hill filuN fit t huh ANAL Bl'> aNU ( H6 4tJI NL Y NO. DISIGNAllON iHUff PtACH 001IUti AND l Hl util.M:Y PthiURMIO H. INVIRONMI'NTAl DOSIMt IRY - 11 D (cont. ) 17 Riverview PH-IlV1-11L 1 4.0 Miles (St o f Un i t a 2 and 3 IL D - mont hly and quarterly Road near Riverview Road. 18 fawn Grove, Pa. PH-IlM-2tJ 1 10 miles W of Unit s 2 and 3 at TLb - rounthly and goorterly I awn Grove, Pa. 19 Red Lion, Pa. PH-IDff-30H1 20.6 miles WNW of Lintts 2 anrt 5 110 - nont hly and quarterly at Red LInn, Pa. 20 Bel Air, Hl. PH-IDM-20G1 15.1 miles %W of Ilo t t u 2 and 5 It D - n nnt hly and quar t er ly Area near th 1 At r, Maryland. 21B Lancaster, Pa. PB-IIM-35G1 19 miles NNW of Unitt 2 nod 5 ItD - monthly and quarterly Area near Lancast er, Pa. 22 Eagle Road PH-IIN-3c 1 2.4 miles NNE of Units 2 and 3 ItD - monthly and quarterly near taqle Road. 23 Peach Gottom PO-IDM-1501 Of f-site Hill 1.0 miles Ilb - monthly and quarterly 150* Sector Hill SSE of tin tt s 2 nruf 2. Of f Site 24 Harrisville, H1. PB-IIN-11C1 10.9 miles E SL of Unit s 2 and 3 11D - monthly and gontterly Substation at Harris Subst at ion 26 Slab Road PH-IDH-31f1 4.2 miles NW of Units 2 and 3 Il l) - neunt hl y and quarterly near blah Road. J1 2.6 milen 5 of Ilott s 2 and 3 IL D - n.ont hly and quart er ly 27 N. Cooper PH-ILN ( Road near N. Cooper Road. 31 Pilotown PH-IDH-13f1 4.9 miles 50 of Llotts 2 and 3 Il D - rnoothly una quar t erl y Road near Pilot own Road. 32 Slate Hill PO-Ile-(C1 2.7 miles I.NE of lin t t s 2 arat 3 Il O - roont hly and qu~ rt e r l y Road near Slate Hill Road. 33A Fulton Main PH-IDM-(B2

1. 7 miles L NI of Units 2 and 3.

I t u - n,ont hl y ar;d quar t er ly Weather Stat ion 38 Peach Bottom it-IDH-8DI 3.0 miles E of Units 2 and 3 IL D - n.ont hl y and quarterly Road near Peach Hottom Road.

l 4 l 1 I l 1 l l I Adl i 11 (cont. ) 1 Il SAMPLE Cut (I CIlON AND ANAL ISIS PRU(, RAM l l l j ENV. stall 0N toCAi!ON, STATION STATION NAME il STA110N DlHICIl0N AND DISIANCE COLLE CI!ON MI IHUD ANAL YSIS AND f REQUINCY { NO. DESIGNAlluN F HUM Pt ACH Bulliti AND F RE QUL NCY Pi hl OHML D l 1 H. ENVIRONMENI AL DOSIMEIRY - TLD (cont.) 40 Peach Bottom PH-Ilf t-21B2 In sit e Area about 1.2 miles itD - monthly and quarterly Site Area SW of lin t t s 2 and 3. 42 Muddy Run PB-I[N-35L 1 4.2 miles NNW of Unit s 2 and 3. ILD - n,onthly and quarterly } Environmental Lab. ] 43 Drumore Township PH-!IN-2f1 5.0 miles NNL of Units 2 and 3. ILD - monthly and quarterly j School 1 44 Goshen Mill PB-IDM-5F 1 5.1 miles NL of Units 2 and 3. ILD - monthly and quarterly [ Road i l j 45 PB - Keeney line PB-IDH-7D1

3. 3 m i les [ NL o f Un i t s 2 and 3.

ILD - monthly and quarterly 46 Broad Creek I'B-I[N-16E 1 4.5 miles SSE of limits 2 and 5 TL D - mont hly and quarterl) near Flintville Road. t 47 Broad Creek PO-If#4-18E 1 4.3 miles S of Units 2 and 3. ILD - monthly and quarterly Scout Camp i j 48 Macton Substation PB-IIN-20I1 5.0 miles SSW of tintts 2 and 5 ILD - monthly and quarterly 49 PU-Conastone line PH-l[N-2501 4.1 miles WSW of Unit s 2 and 3. T L D - n-ont hl y ard quarterly i l 50 TRANSCO Pumptnq PU-ItN-26f1 4.9 miles W of Unitn 2 and 3. ILD - monthly and quarterly St at ion 51 Fin Substation P8-ICN-2901 4.0 mtles WNW of Units 2 and 3. ILD - mor.t hly and quart erly I l i i i

E E E E E E E E E E E E E E E E E TABLE III RADIOLOGICAL ENVIR0t4 MENTAL MONITORING PROGRAM At#1UAL

SUMMARY

HAME OF FACILITY: PEACH DOTTOM ATOMIC POWER STATION 00CVET HO.s 50-277 C 50-278 LOCATION OF FACILITY: YORK COUNTY, PA REPORTING PERIOD s 1984 ItoICATOR C0ti!ROL LOCATION WITH HIGHEST REQUIRED LOCATI0tlS LOCATIONS ANilUAL MEAN HUMBER MEDIUN OR TYPE OF HUttDER OF MINIMUt1 NEAN MEAN ttE AN STATI0t1 8 OF flONROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (FI (F) (F) HAME REPOPTED (UNIT OF NEASUREMENT) PERFORMED PERFORMED LEVEL (MDL) RANGE RANGE RANGE DISTANCE C DIRECTIDH MEASUREMENIS AIR PARTICULATE GROSS BETA 102 0.006 .018 .017 .018 12 (IPOICATORI 0 (PC/CU. METER) (50/50) (52/52) (50/503 WEATHER STATION 1 (.004.044) 1.005.08) 1.004.044) 0.3 MILES SE OF SITE GAMMA 24 BE-7 N/A .11 .it .11 1Z (It01CATOR) 0 (12/123 (12/12) (12/12) WEATHER STATION 1 (.06.17 ) (.06.14) (.08.17 ) 0.3 MILES SE OF SITE K-40 N/A .09 < MDL .09 12 (It0ICATOR3 0 (1/12) (1/121 WEATHER STATIOH 1 (.093 (.091 0.3 MILES SE OF SITE CS-134 < MDL < MDL < MDL 0 CS-137 < MDL < MDL < MDL 0 PRECIPITATION GROSS BETA 24 2.5 3.3 8.7 8.7 8 (CONTROL) 0 (PC/ LITER) (12/12) (12/12) (12/12) COLORA, MD (1.5-5.41 (1.1-30) (1.1-301 9.9 MILES ESE OF SITE GAMMA (TOTAll 24 DE-7 N/A 34 33 34 1 A (ItoIC ATOR ) 0 (10/12) (9/123 (10/12) WEATHER STATION HO. 1 (17-68) (14-70) (17-68) 0.3 MILFS SE OF SITE MH-54 9 < MDL < MDL < MDL 0 FE-59 18 < MDL < MDL < MDL 0 CO-58 9 < MDL < MDL < t1D L 0 CO-60 9 < MDL < MDL < tid L 0 ZH-65 18 < MDL < MDL < MDL 0 ZRND-95 9 < MDL < MOL < MDL 0 CS-134 9 < MDL < MD L < PO L 0 CS-137 11 < MDL < MDL < MDL 0 BALA-140 9 < MDL < MDL < MDL 0 FRECIPITATIDH GROSS BETA 24 N/A 249 315 315 8 (CONTROL) 0 (rC/SQ. METER) (12/12) (12/12) (12/12) COLORA, MD (140-6001 (100-840) (100-8401 9.9 MILES ESE OF SITE NEAN AND RANGE BASED UPON DETECTABLE MEASUREMENTS CHLY. FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS It0ICATED IN PARENTHESES. (F) J

TABLE III R ADIOLOGICAL EtNIR0tJMENT AL Not41TORING PROGRAN AHNUAL SUMttARY NAME OF FACILITY: PEACH BOTTON ITONIC POWER STATION DOCVET No.: 50-277 C 50-278 LOCATIDH OF FACILITYs YORK COUNTY. PA REPORT!tlG PERIODS 1984 IPOICATOR CONTROL LOCATI0tl WITH HIGHEST REQUIRED LOCATIOt4S LOC ATI0 tis ANtRJAL NE AN HUMBER NEDIUM OR TYPE OF HUNDER OF MIN!?1UN NEAN NEAN NEAN STATION 8 OF HotlROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (F) (F) (F) HAME REPORTED (UNIT OF MEASUREMENT) PERFORMED PERFORNED LEVEL lt1DL) RANGE rat 4GE RANGE DISTANCE & DIRECTIOtt HEASUREMEt4TS SURFACE WATER GROSS ALPHA 48 N/A 1.9 .5 2.2 4F (ItOICATOR) 0 (FC/LITERI INSOLUBLE I10/241 (4/24) (8/12) Cot 10WINGO D AN EL. 33FT. NSL-GRAB (. 3-41 f.3.6 3 4.6-4) 8.6 NILES SE OF SITE GROSS ALPHA 48 N/A .6 1 1 6A (CONTROLI O SOLUDLE (2/24) (1/24) (1/12) HOLTWOOD DAt1 HfDRO-ELECTRIC STATION I.5 .6 ) (1) (1) 5.8 NILES NW OF SITE GROSS BETA 100 2.5 2.6 1.4 4.8 4F ( It3DIC ATOR ) O INSOLUBLE (40/551 (29/45) (12/123 cot 0 wit GO DAN EL. 33FT. MSL-GRAB (.3-181 f.4-5.21 E.4-18) 8.6 MILES SE OF SITE l GROSS BETA 100 2.5 3.0 2.9 4.2 4G (IPOICATOR) O SOLUDLE (55/55) (45/45) (12/121 CotoWINGO D AM SURF ACE GR AB (1.3-16) (1-51 (1.3-161 8.5 MILES SE OF SITE I-131 24 N/A .13 .15 .15 6I (CONTROL 1 0 12/12) (5/12) (5/121 HOLTWOOD STATIDH IHTAKE-COMPOSITE I.10.151 I.06.22) (.06.221 5.8 NILES tM OF SITE AQUEOUS H3 57 1200 217 230 267 6A ICONTROL) 0 (15/201 (32/37) 13/4) HOLTWOOD DAM HYDRO-ELECTRIC STAT 10ti (100-5001 (80-8003 (140-410) 5.8 NILES PM OF SITE GAMMA I TOTAll 100 K-40 N/A 29 25 60 4L (INDICATOR 3 0 (6/55) (2/45) (1/12) CotioWINGO DAt1 EL. 33 FT. MSL-COMPOSITE (11-601 (19-30) (60) 8.6 MILES SL CF SITE NN-54 < NDL < t1D L < t1D L 0 FE-59 < t1D L < MDL < t1D L 0 CD-58 < 11DL < MDL < t1D L 0 CD-60 < NDL < MDL < NDL 0 ZH-65 < MDL < NDL < NDL 0 ZPNB-95 < MDL < MDL < t1DL 0 CS-134 < NDL < t1D L < t1D L 0 l l MEAN AND RANGE BASED UPON DETECTABLE MEASUREMENTS ONLY. FRACTION OF DETECTABLE HEASUREMENTS AT l SPECIFIED LOCATIONS IS INDICATED IN PAREllTHESES. (F) M M M M M M M M M M M M M M M M M M

M M M M M M m M M M M M M M M M TABLE III RADIOLOGICAL ENVIR0 tit 1 ENTAL MONITORING PROGRAM ANNUAL

SUMMARY

HAME OF FACILITY: PEACH DOTTON ATOMIC POWER STATI0tl DOCVET No.: 50-277 C 50-278 LOCATION OF FACILITY: YORK COUt4TY. PA REPORTING PERIOD: 1984 It01CATOR Cot 41ROL LOCATION WITH HIGHEST REQUIRED LOCATIONS LOCAT10t45 AtitIUAL MEAN tRJt10E R MEDIUN OR TYPE OF NUMBER OF MIN!!1UN MEAN MEAN MEAti STATIOil 8 0F N0tiROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (F) (F) (F) hat 1E REPORTED (LEIT OF MEASUREMENT) PERFORMED PERFORt1ED LEVEL IMOL) RANGE RANGE RANGE DISTAtlCE C DIRECTION MEASUREtiENTS SLCFACE WATER GAMMA (CONT.) 100 (PC/ LITER) CS-137 11 < MDL .7 .7 ILL (CONTROLI O I1/91 11/9) PBAPS INTAKE-COMPOSITE (.7) (.7) 0.3 MILES ENE OF SITE BALA-140 9 < MDL < MDL < MDL 0 TH-228 N/A < t1D L .5 .5 ILL ( C0t41PO L 1 0 (1/9) (1/9) PBAPS INTAVE-COtiPOSITE (5) (51 0.3 MILES ENE OF SITE D2SCHARGE WATER GROSS BETA 17 2.5 1.5 1.6 I Mt1 (It0ICATOR) 0 (PC/ LITER) INSOLUBLE f12/17) (4/53 CANAL DISCHARGE-CCMPOSITE t.4-4.03 (.7-4.01 1.0 NILES SE OF SITE GROSS BETA 17 2.5 2.8 2.8 1MM I ItID IC A TOR I 0 SOLUBLE (17/17) (5/5) CANAL DISCHARGE-COMPOSITE (1.5-4) (1.4-4) 1.0 MILES SE OF SITE AQUEOUS H3 17 1200 267 280 1M iIt01CATORI O TOTAL (15/17) (10/123 CANAL DISCHARGE (70-690) (70-690) 1.0 MILES SE OF SITE GAMMA (TOTAL) 17 K-40 N/A 20 20 1MN IIt01CATORI 0 (1/17) (1/17) CANAL DISCHAPGE-COMPOSITE (201 (201 1.0 MILES SE OF SITE MN-54 9 < t1D L < MDL 0 FE-59 18 < MDL < MDL 0 CO-58 9 < t1D L < t1D L 0 CD-60 9 < t1D L < MDL 0 ZN-65 18 < MDL < MDL 0 2PND-95 9 < MDL < MOL 0 CS-134 9 < MDL < MDL 0 CS-137 11 < MDL < MDL 0 DALA-140 9 < MOL < t0 L 0 TH-228 N/A 5 5 1MN ( It0!C ATOR ) 0 (1/17) (1/17) CANAL DISCHARGE-COMPOSITE (5) (5) 1.0 MILES SE OF SITE MEAN AND RANGE BASED UPON DETECTABLE MEASUREMENTS OtiLY. FRACTION OF DETECTABLE MO SUREMENTS AT SPECIFIED LOCATIOt4S IS IPOICATED Iti PARENTHESES. (F)

TAD (E III RADIOLOGICAL EtNIRONMEt4TAL MONITORING PROGRAtt At#1UAL SUMMARf NAME OF FACILITY: PEACH BOTTON ATOMIC POWER STATIDH DOCKET HO.s 50-277 C 50-278 LOCATION OF FACILITYs YORK COUt4TY. PA REPORTING PERIDOs 1984 INDICATOR C0t4 TROL LOCATIDtl WITH If!GHEST REQUIRED LOCATIOt4S LOCATIONS At#AJAL ME AN HUMBER MEDIUN OR TYPE OF NUMDER OF NINIMUM MEAH MEAN MEAN STATI0t1 8 OF hot! ROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (F) (F) (F) NAttE REPORTED (LD41T OF MEASUREMENT) PERFORMED PERFORMED LEVEL (itDL I RAttGE RANGE rat 40E DISTANCE C DIRECTION MEASUREMENTS

---

------------- --------- ---~~~------ ------------- ------------- ------------- -------------------------------- ---------------

WELL WATER GROSS BETA 13 2.5 1.3 .7 1.8 fu (INDICATOR) 0 (PC/LITERI It4 SOLUBLE (6/93 (2/4) (2/2) UTILITY CUILDING (.7-2.5) f.7.7) (I.1-2.5) 0.3 MILES S OF SITE GROSS BETA 13 2.5 1.4 1.9 2.6 10 ( It0!C ATOR ) O SOLUDLE (7/91 (4/4) (2/2) UTILITT BUILDIt4G (.6-3.99 (1.7-2.31 (1.2-3.9) 0.3 MILES S OF SITE AQUEOUS H3 13 1200 til 133 300 IU (INDICATORD 0 (7/91 (4/4) (2/2) UTILITY BUILDItiG (70-370) (60-2005 (300-300) 0.3 MILES S OF SITE SOIL SR-89 6 N/A < MDL < MDL < NDL 0 ( PC/GR AM DR Y ) BOTTON SR-89 6 N/A < MDL < MDL < MDL 0 TOP SR-90 6 N/A .15 .29 2 (IDOICATOR) 0 BOTTON (5/6) (2/2) 130 DEGREE SECTOR HILL 1.06.31) (. 2 7. 31 ) 0.9 MILES SE OF SITE SR-90 6 N/A .21 .28 3A ( It01C A TOR ) 0 TOP (4/6) (1/2) DELTA. PA SUBSTATION (.12.31) (.?8) 3.6 MILES SW OF SITE MEAN AND RANGE BASED UPON DETECTABLL MEASUREMENTS ONLY. FRACTION OF DETECTABLE NEASUREMENTS AT SPECIFIED LOCATI0t43 IS It0ICATED IN PARENTHESES. (F) m m m m M M M M m m m m m M M M

M M M M M M M M M M M M M M M M M M M TABLE III RADIOLOGICAL EINIpotiMENTAL MotlITORIllG PROGRAM At#AJAL

SUMMARY

HAME OF FACILITYs PEACH BOTT0t1 ATOMIC POWER STATION DOCFET HO.s 50-277 C 50-278 LOCATION OF FACILITYs YORK COUNTf. PA REPOR tit 4G P(RIOD s 1984 INDICATOR CONTROL LOCATIOtt WITH HIGHEST REQUIRED LOCATIOt43 LOCATIDHS AtitlUAL NE AN HUMBER MEDIUN OR TYPE OF NUMDER OF MINIMUM MEAN MEAN MEAN STATIOH a OF HONROUTINE PATHWAY SAMPLED ANALYSES ANALYSES DETECTABLE (F) (F) (F) HAME REPORIED (LA4IT OF ME ASUREMENT) PERFORMED PERFORMED LEVEL (MDL) RANGE RANGE RANGE DISTANCE C DIRECTION MEASUREMENTS ...-------.....------ ------------- --------- ------------ ~~-----------....------... ------------- -------------------------------- --------------- SOIL GAMMA (DOTTOM) 6 (PC/ GRAM DRV) BE-7 N/A < MDL < MDL 0 K-40 N/A 20 23 5 ( IPOIC ATOR ) 0 (6/6) (2/2) WAKEFIELD, PA. (4.7-23) (22-231 4.6 MILES E OF SITE CS-134 H/A < MDL < MDL 0 CS-137 N/A .5 .81 3A IIt3DICAT091 0 (5/61 (1/2) DEITA. PA SUBSTATION (. 34.81 ) (.811 3.6 MILES !W OF SITE RA-226 N/A 2 2.5 3A (INDICATORI O ( 6 /6 ) (2/2) DELTA. PA SUBSTATION (1.4-2.61 (2.3-2.6) 3.6 MILES SW OF SITE TH-228 H/A 1 1.6 5 (INDICATCRI O (6/6) (2/2) WAVEFIELD PA. f.37-1.7) (1.4-1.7) 4.6 MILES E OF SITE GAMMA (TOP) 6 BE-7 N/A .5 .9 5 (It0ICATOR) 0 (2/6) (1/2) WAkEFIELD PA. (.1.9) (.9) 4.6 MILES E OF SITE K-40 N/A 15 21 5 (It4DICATORI O (6/6) (2/21 WAKEFIELD. PA. (2.4-21) (20-21) 4.6 MILES E OF SITE CS-134 H/A < MDL < MDL 0 CS-137 N/A .9 1.2 3A (It01CATopl 0 (6/6) (2/2t DELTA. PA SUBSTATION (.35-1.51 f.97-1.51 3.6 MILES SW OF SITE RA-266 H/A 3 3 3A ( It01C A TOR I O (5/63 (2/2) DELTA. PA SUGSTATION (2.2-3.53 (2.4-3.5) 3.6 MILES SW OF SITE TH-228 H/A 1 1.5 5 (It0!CATOR) 0 (6/61 (2/2) WAkEFIELD. PA. (.12-1.8) (1.2-1.8) 4.6 MILES E OF SITE MEAN AND PAHGE BASED UPON DETECTABLE MEASUREMENTS ONLY. FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATICHS IS It01CATED IN PARENTHESES. (F)

TABLE III RADIOLOGICAL ENVIROHNENTAL NOHITORING PROGRAN At#4UAL SUNNARY NAME OF FACILITY: PEACH BOTTOt1 ATONIC POWER STATIDH DOCKET to.e 50-277 C 50-278 LOCATION OF FACILITY: YORK COUNTY, PA REPORTIf4G PERIOD 1984 INDICATOR CONTROL LOCATIDH WITH HIGHEST REQUIRED LOCATIONS LOCATIONS AtitAJAL HEAH HUMBER NEDIUM OR TYPE OF HUMBER OF HININUN NEAN MEAN HEAH STATION 8 0F H0tiRolfTINE PATHWAY SANPLED ANALYSES ANALYSES DETECTABLE IF) iFI EF1 NAME REPORTED (UNIT OF MEASUREMENT) PERFORNED PERFORNED LEVEL INCL) RANGE RANGE RANGE DISTANCE C DIRECTI0ti HEASURENENTS NILK I-131 316 0.6 .15 < MDL .18 G (INDICATOR) 0 (PC/ LITER) I11/198) 47/38) HE ARBY FART 1 G t.07.431 (.08.43) WEST OF cot 40WINGO Poto AQUEOUS H3 16 N/A 198 223 260 C ECONTROL) 0 MILK (5/8) (6/81 (3/4) DISTANT FARN C 190-280) (160-330) (210-330) WEST OF Cott0WINGO Pot 0 AQUEQUS H3 16 N/A 230 253 297 C ICONTROL) 0 WATER (5/8) (6/81 43/4) DISTANT FARN C (110-320) (180-380) (240-380) WEST OF CONOWINGO POto SR-89 4 H/A < NDL < NDL 0 SR-90 4 N/A 2.5 2.5 J (It0ICATOR) O I4/4) I4/4) HEARBY FARN J (.8-51 (.8-5) WEST OF CCHOWINGO PDFO GANNA 4 K-40 N/A 1425 1425 J (ItcICATOR) 0 (4/4) (4/4) NEARBY FARN J (1200-1500) (1200-1500) WEST OF C0f0WINGO Poto CS-134 10 < NDL < NDL 0 CS-137 10 < MDL < NDL 0 BALA-140 9 < NDL < NDL 0 AID IODINE I-131 394 0.04 < NDL < NDL < NDL 0 (PC/CU. NETER3 DIRECT RADIATIDH TLD (HRAD/STD. MONTH) MONTHLY 537 H/A 6.7 6.4 8.3 42 (IPOICATOR) 0 I454/454) (83/83) (12/12) NREL ( 3.1 -9.6 ) (4.5-9.7) ( 7.1-9.6 ) 4.2 NILES F#M OF SITE QUARTERLY 178 N/A 6.4 6.4 7.99 42 (It0!CATOR ) 0 (151/155) (27/27) I4/4) NREL ( 3.2-9.2 ) (4.6-8.33 (7.5-8.4) 4.2 NILES t#M OF SITE HEAN Ato RANGE BASED UPON DETECTABLE HEASUREMENTS OHLY. FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES. (F) m m M M M M M M M M m e m M M M M M

l l ll l TADLE IV ANALYTICAL D AT A FOR SUWF ACE WATER GRAB SAMPLES i CCNCEN T R A TION ( FC/ LIT ER ) l STATION COLLECTION GROSS ALPHA GROSS ALPHA GROS 5 BETA GROSS BETA AQUEDUS H3 CODE DATE SOLUDLE INSOLUDLE SOLUDLE INSOLUDLE TOTAL I IQ 01/07/84 2.6 i.5 1.2 i .7 100 1 80 02/11/84 3 11 .6 t .4 300 1 80 03/03/84 1.9 1 .9 .5 260 1 70 03/31/84 5 2 1 .6 2 .4 230 1 80 C5/06/84 2.4 i .9 1.7 .7 300 i 100 I 06/03/84 4.0 t .6 .9 1 .4 350 1 70 06/30/84 2.3 i .9 .7 1 .6 150 1 70 08/04/84 3 2 1 .5 350 t eo 09/01/64 4.5 i.5 1.9 i.7 300 1 100 I 09/09/84 3 1 3.7 1.8 230 1 60 10/27/84 4 11 <.5 90 1 40 12/01/84 3 1 1.3 1 .6 80 1 70 MEAH 3.2 1 1.9 1.2 ! 1.9 228 2 200 I 4F 01/07/84 <.6 4 !2 2.2 1.8 11 ! 1 02/11,'84 .5 t.4 3 1 1 3.9 i .9 5.1 1 .9 01/03/84 .8 2 1 2.1 2 .9 3.9 i .9 150 1 60 03/31/84 < 9 .5 0.9 i .8 .7 i.7 .i 05/06/84 .7 3 2 2.1 i.9 10 1 1 .i 06/03/84 .6 3 12 1.6 1.7 18 12 210 1 70 Co/30/84 <.8 .3 2 tt .4 1.3 08/04/64 < 1 1.0 t.8 2.3 i .9 2.8 .9 I 09/01/84 .4 1.0 t.8 2.6 t .4 2.1 1 .7 470 1 80 09/09/04 < 1 .6 1.5 3 11 .6 1.5 10/27/84 < 1 .4 3.1 i .9 1.3 i.7 12/01/84 < 1 <.5 3 i 1 1.4 .6 100 70 I MEAN .8 i .4 1.6 1 2.6 2.6 t 1.3 4.8 1 10.9 233 1 329 4G 01/07/84 2.1 .5 1.6 i.7 02/11/84 4 t1 .8 i .4 03/03/84 1.3 i.8 .5 i .4 03/?t/84 4 11 1.0 t.7 C5/06/84 1.5 1.8 .5 1 .4 06/03/84 1.9 i.5 1.1 1 .4 06/30/84 2.3 1 .8 .7 1 .6 3 08/04/84 3 1 1 .5 09/01/84 3.2 1 .4 ?.1 1.7 09/29/84 16 12 <.3 I 10/27/84 4 t I .5 12/01/84 7 1 1.1 .6 MEAN 4.2 d 8.1 .9 1 1.1 I 6A 01/07/84 1 !1 .5 .4 2. t.8 .4 02/11/84 .4 .3 4.3 1 .9 .4 03/03/84 .7 .4 2.4 1 .9 4 t .4 250 t 70 03/31/04 < 1 .6 1.5 3.0 t.8 3.0 t .8 I 05/06/84 .7 .5 2.1 i.9 1.2 .7 C6/03/84 .4 .3 1.6 t .7 .5 140 t 70 l 06/30/84 <.9 .4 2 11 .6 1 3 1 08/04/84 < 1 .4 3.3 .9 .8 i .6 I 09/01/84 .5 .3 2.9 t .4 .4 410 i 70 I 09/29/c4 < 1 .3 3 1 <.5 10/27/84 < 1 <.2 4 1 1 .5 12/01/84 < 1 <.5 4 11 1.7 1 .6 < 100 MEAN .8 i.5 .4 .2 2.9 1.7 .9 t 1.6 225 t 277 l ll I ll l i )

TABLE IV ANALYTICAL DATA FOR SURFACE WATER GRAB SAMPLES (CONTINUED) CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS ALPHA GROSS ALPHA GROSS BETA GROSS BETA AQUEOUS H3 CODE DATE SOLUBLE INSOLUBLE SOLUBLE INSOLUBLE TOTAL 13A 01/07/84 2.6 i .5 2.2 1 .7 02/11/84 5 ! 1 .5 03/03/84 3 1 1 .6 1 .4 270 1 70 03/31/84 5 ! 1 1.1 .7 05/06/84 1.8 1 .8 .8 .7 06/03/84 2.1 1 .5 .9 1 .4 140 1 60 06/30/84 2.8 .9 1.6 .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 1 .3 10/27/84 4 1 1 .5 12/01/84 4 1 1 1.5 .7 < 80 MEAN 3.2 2 2.4 1.0 1 1.2 148 ! 171 13B (1) 02/08/84 2.1 1 .8 2 ! 1 03/15/84 3 i 1 .7 i .4 04/09/84 2.7 1 .8 2.7 1 .3 05/14/84 3.2 .6 7.7 1 .8 06/07/84 1.3 2 .7 1.4 i .7 11/20/84 4 1 1 3.9 1 .9 12/03/84 3.0 i .5 2.3 t .4 MEAN 2.8 1 1.7 3.0 1 4.6 i l I MEAN ALL STATIONS .8 1 .5 1.0 1 2.2 3.2 2 3.8 1.9 2 5.7 215 ! 226 l (1) SAMPLE IS COLLECTED ONLY WHEN PUMP OPERATES M M M M M M M M M M M M M M M M

l l l' Il1 ll1 l M M 3 0 6 0 5 H - 0 0 000 000 8 0 0 0 0 0 0 0 0 6 L - 7 6 897 371 1 6 1 8 8 8 4 7 9 2 SA - ) ) ) 0 ) ET - ( ( 7 7 8 8 1 ( i i 1 1 UT - t1 1 i i 11 011 1 0 0 0 0 1 OO - ( U Q 0 0 000 000 1 0 0 0 0 0 0 0 0 8 A - 3 2 33 0 300 0 3 0 6 0 7 0 3 2 7 - 1 2 31 2 1 33 2 2 2 1 5 3 1 1 1 1 7 4 0 0 0 1 1 L - 9 4 4 4 5 3A - 6 5 4 1 0

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m m m m 3 0 0 2 8 H 0 0 0 0 0 0 0 0 0 0 9 L _ 6 7 7 1 7 7 2 3 7 4 2 SA. l 0 UT. 0 1 i 1 1i 0 1 1 1 0 1 t DO. 8 ET. t 1 8 U Q 0 0 0 0 0 0 0 4 0 A 0 6 6 0 0 0 0 1 8 9 9 8 1 1 2 8 2 8 1 2 1 1 5 0 5 4 4 2 1 m 0 1 0 0 1 0 1 1 L _ 3A. 5 8 4 9 ) 4 4 6 1 T. i 0 0 0 0 1 i 0 i 0 i 0 1 - O. ( IT. 4 9 3 6 2 0 9 m 1 1 1 2 1 0 0 ) D E U AE 1 N TL 5 7 6 8 6 5 7 8 I EB. 2 T BU. ) m N L. 5 4 1 1

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M M M M M M M M M M TABLL VI CONCENTRATIONS OF GAMMA EMITTERS

• IN SURFACL WAltR IN THE VICINITY OF PEACH BOTTOM ATOMIC POWER STATION, 1984 Results in Units of pCi/f i 2 sigma GL AH SAMP1[\\

Sample Dates STATION NUMBER 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-?9-H4 10-27-84 12-01-84 IQ ALL<MDL ALL<MDL ALL<MDL ALLsMDL ALL(MDL K-40 191/ AllsMDL ALL<MDL ALL(MUL ALL(MDL ALL<MDL ALL<MDL Others<MDL 4F ALL<MDL ALL<MDL ALLsMDL ALL<MDL ALL<MDL ALL(MDL ALL<MDL K-40 60110 AL L(MDL ALL<MDL ALL<MDL K-40 1618 OtherssMDL Others<MDL 4G ALL(MDL ALL<MDL ALL(MDL ALL<MDL ALL<MDL ALL(MDL ALLCMDL ALL(MDL A' L < MDL ALL(MDL ALL<MUL ALLCMDL 6A ALL<MDL ALL<MDL All<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALL<MUL ALL<MDL K-40 30t10 ALL<MDL ALL<MDL Others<MUL 13A ALLsMDL ALLsMDL ALL(MDL ALLsMDL ALLsMDL ALL(MDL A11<MDL K-40 lit 6 ALL<MDL ALL<MDL ALL<MUL ALL<MDL Ofhers<MDL 138(1) (3) ALL(MDL ALLsMDL All(MDL All<MDu K40 lit 6 (3) (3) (3) (3) ALL(MDL K-40 131b Others<MDL Others<MDL COMPOSITE SAMPLES Sampling Period 1-07-84 2-11-84 3-D3-84 3-31-84 5-06-84 6-03-84 6-30-84 d-6T-84 9-01-64 9-29-64 10-t7-84 12-ul-84 STATION to to to to to to to to to tc to to NUMBER ?-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) ALLsMDL (6) Cs-137.71.4 (6) (6) ALL<MDL ALLsMDL A11<MDL Al1<MDL Th-228 513 Al1<MUL ALL<MUL Others(MDL Others(MDL 4L(4) ALL<MDL ALL(MDI ALL<MDL ALL<MDL ALL<MDL ALL<MDL ALLsMDL A11<MDL ALL<MUL A11(MDL ALL<MDL K-40 60120 Others<MDL 61(5) ALL(MDL ALL<MDL ALL(MDL ALL(MDL ALL(MDL AllsMDL 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 dites for station 138 were 2/08/84; 3/15/84; 4/09/84; 5/14/84; 6/07/84; 11/20/e4; 12/03/84. (2) Sampling dates for station ILL were 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/th-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 malfunction. i

I TABLE VII ANALYTICAL DATA FOR DISCHARGE WATER GRAB SAMPLES CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS BETA GROSS BETA AQUEOUS H3 CODE DATE SOLUBLE INSOLUBLE TOTAL E l 1M 01/07/84 2.4 i .9 .5 < 70 02/11/84 3 1 1 .4 1 .3 170 1 60 03/03/84' 1.5 i .9 .3 180 1 60 03/31/84 2.5 2 .9 2.1 1 .6 150 1 70 05/06/84 1.6 1 .8 1.0 t .7 110 1 70 06/03/84 1.7 2 .5 .6 i .4 340 1 90 06/30/84 3 ! 1 1.6 1 .7 190 1 70 08/04/84 4 1 1 .9 .6 < 80 09/01/84 3 i 1 .5 500 1 100 g 09/29/84 3 1 1 2.1 .7 400 1 100 g 10/27/84 4 1 1 .5 70 1 30 12/01/84 4 1 1 2.4 i .7 690 1 80 MEAN 2.8 2 1.8 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 ASUEOUS H3 CODE PERIOD SOLUBLE INSOLUBLE TOTAL IMM 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 t 1 4.0 2 .9 210 1 70 08/03-09/19/84 (1) (1) (1) i 09/19-09/28/84 3 1 1 .7 .6 410 t 90 09/28-10/26/84 4 1 1 1.1 i .6 110 1 30 10/26-12/31/84 (1) (1) (1) 12/31-01/04/85 1.4 1 .9 .5 240 1 80 MEAN 2.5 1 2.0 1.4 1 2.9 242 ! 216 I I I I (1> Ne sam,LE.eE To,Um, "^'r""c'

l M M M M M M M M M M M M M l l I 1 l TABLE IX CONCINTRATIONS Of GAMMA EMITTERS

• IN D15 CHARGE WATER IN THf VICINITY OF PEACH I;0TTOM ATOMIC POWER STAT 10N, 1984 GRAB SAMPLES Sampling Dates 4

1 l l 5TATION j NUFSER 01-07-84 02-11-84 03-03-84 03-31-84 05-06-84 06-03-84 06-30-84 08-04-84 09-01-84 09-29-84 10-27-84 12-01-84 i IM ALL GDL All(MDL AL L ODL ALL*MDL ALLsMDL AL L(MUL ALL<MDL AL L < MUL ALL*MDL ALLsMUL ALL<MDL k-40 20110 Others<MUL 1 ) f 1 l COMP 051TE SAMPLES SAMPLING PLRIOD 01-07-S4 02-08-84 03-03-84 03-31-E 4 05-06-84 06-04-84 07-20-84 08-04-84 09-19-84 09-26-64 10-i6-64 12-31-e4 STATION to to to to to to to to to to to to NL'vB E R 02-11-84 03-03-84 03-31-84 05-06-84 06-03-84 06-22-84 08-03-84 09-01-84 09-28-64 10-26-84 12-01-84 01-04-65 l IvM (1) (1) (1) (1) (1) AL L < MDL AllsMDL (1) ALL W DL Th-228 521 (1) All<MUL Uthers(MDL For typical minimin detectable levels of nuclides serarched for and not found, see Table xxvi. f (1) Sample not collected due to srpler malf unction

I TABLE X ANALYTICAL DATA FOR WELL WATER SAMPLES CONCENTRATION (PC/ LITER) STATION COLLECTION GROSS BETA GROSS BETA AQUEOUS H3 CODE DATE SOLUBLE INSOLUBLE Eg 1U 01/07/84 1.2 1 .7 1.1 1 .6 300 ! 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 1 0 IV 01/07/84 .8 2 .6 .5 70 1 60 03/31/84 .6 1 .6 .9 1 .4 120 1 80 g 06/30/84 .3 .5 120 1 90 g 09/30/84 (1) (1) (1) MEAN .6 1 .5 .6 1 .5 103 ! 58 7 01/08/84 1.7 1 .7 .7 1 .6 60 1 60 E 04/02/84 1.9 1 .8 .7 1 .4 100 2 80 07/01/84 1.8 1 .8 .5 170 2 70 3 09/30/84 2.3 1 .9 .3 200 1 100 MEAN 1.9 1 .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 t 100 06/30/84 1.2 .7 .7 1 .5 370 ! 80 09/29/84 .8 .9 .3 < 100 MEAN 1.0 t .6 .9 1 1.0 190 1 260 3 mE,N ALL STAT 10Hs ,.4 ,.9 ,.2 te9 ,99 (1) NO SAMPLE AVAILABLE l I I 1

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 .9 170 1 30 02/11-03/03/84 2500 1.8 1 .8 140 1 60 03/03-03/31/84 2300 3.6 .9 260 1 60 02/31-05/06/84 3700 5.1 .9 600 2 100 05/06-06/03/84 2500 3.3 .5 250 ! 40 1 06/03-06/30/84 4000 2.0 .7 250 ! 80 06/30-08/04/84 7000 1.5 i .7 300 100 08/04-09/01/84 2200 2.2 2 .8 150 1 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 .9 280 t 70 12/01-01/05/85 1580 4.0 .9 200 1 40 I MEAN 3.3 2 2.8 249 ! 248 8 01/07-02/11/84 900 7 ! 1 180 ! 30 02/11-03/03/84 2000 3.2 1 .8 200 1 50 03/03-03/31/84 2900 2.6 1 .8 240 t 70 03/31-05/06/84 3100 3.7 i .8 350 ! 80 I 05/06-06/03/84 3000 3.6 2 .5 330 t 50 06/03-06/30/84 2500 2.6 .7 200 1 50 06/30-08/04/84 5000 1.1 .6 160 1 90 I 08/04-09/01/84 250 30 ! 5 230 t 40 09/01-09/29/84 450 7 2 100 2 30 09/29-10/27/84 400 14 1 3 170 2 30 I 10/27-12/01/84 1580 17 ! 2 840 ! 80 12/01-01/04/85 2000 13 2 1 780 ! 90 MEAN 8.7 1 16.9 315 1 483 I MEAN ALL STATIONS 6.0 1 13.1 282 1 382 I I I

I TABLE XII COHCENTRATIONS OF GAMMA EMITTERS * (PCI/ LITER) IN PRECIPITATION IN Tile VICINITY 07 PEACH BOTTOM ATOMIC POWER STATION, 1984 STATION E COLLECTION PERIOD HUCLIDE 1A 8 m 1/07-02/11/84 BE-7 68 1 8 70 ! 10 O T II E R S < MDL < MDL 2/11-03/03/84 BE-7 40 ! 10 31 5 OTHERS < MDL < MDL 3/03-03/31/84 BE-7 32 2 8 36 2 8 O T II E R S < MDL < MDL 3/31-05/06/84 BE-7 60 2 10 30 2 11 O T il E R S < MDL < MDL I 5/06-06/03/84 BE-7 < 10 < 10 O Til E R S < MDL < MDL 6/03-06/30/84 BE-7 23 2 9 28 ! 6 O T II E R S < MDL < MDL 6/30-08/04/84 BE-7 < 5 < 4 O Til E R S < MDL < MDL 8/04-09/01/84 BE-7 18 1 7 14 2 6 O TII E RS < MDL < MDL 9/01-09/29/84 BE-7 35 t 9 40 1 20 O T il E R S < MDL < MDL 9/29-10/27/84 BE-7 17 2 8 < 4 O Til E R S < MDL < MDL 10/27-12/01/84 BE-7 20 2 10 18 1 9 O T ii E R S < MDL < MDL 12/01-01/05/85 BE-7 30 1 9 26 i 9 O T il E R S < MDL < MDL MEAN BE-7 30 1 40 23 1 39 O T II E R S < MDL < MDL FOR TYPICAL MINIMUM DETECTABLE LEVELS OF HUCLIDES SEARCIIED FOR AND IIO T FOUND, SEE TABLE XXIII. I

I TABLE XIII ANALYTICAL DATA FOR AIR PARTICULATE SAMPLES CONCENTRATIONS OF GROSS BETA RADI0 ACTIVITY (PC/CU. METER) 1984 PEACH BOTTOM LOCATIONS WEEK WEEK 1Z 4A 5 1Z 4A 1 026 004 026 004 27 017 003 013 2 003 2.021 .004 .014 t.003 28.020 i.003 .017 t.003 3.034 1.004 .028 1.004 29.016 t.004 .018 1.004 4.020 t.003 .023 2.004 30.011 !'.003 .011 !.003 5.019 !.004 .009 !.003 31.017 !.004 .022 .004 6.017 1.003 .012 !.003 32.026 1.004 .023 i.004 7.010 !.003 .012 !.003 33.020 !.004 .026 1.004 I 8.017 .003 .017 2.004 34.013 !.003 .014 !.003 9.013 !.003 .005 !.003 35.022 !.004 .018 1.003 10.016 i.004 .010 !.008 36.018 i.003 .016 1.003 11.018 .003 .016 !.003 37.004 !.003 .018 i.004 12.010 t.003 .010 t.003 38 (1) .017 i.003 13.009 !.003 .011 i.003 39 (1) .020 i.004 I 14.008 1.003 .010 !.003 40.020 .004 .020 !.003 15.007 1.003 .010 t.003 41.020 t.004 .025 1.004 16.008 !.003 .007 !.003 42.019 1.004 .019 2.004 17.012 i.003 .010 !.003 43.017 !.004 .021 !.005 18.015 t.003 .016 !.003 44.019 !.003 .017 2.003 19.009 !.004 .011 1.004 45.016 !.004 .018 !.004 20.013 1.004 .014 1.004 46.015 2.003 .013 1.003 21.018 2.004 .017 1.004 47.019 i.004 .020 1.004 22.011 1.003 .012 !.003 48.028 1.005 .024 t.004 23.030 t.004 .030 1.004 49.023 2.003 .025 t.004 24.025 2.004 .025 1.004 50.044 i.005 .038 1.005 25.014 1.003 .014 2.003 51.027 i.004 .022 !.004 26.016 !.003 .016 i.003 52.024 1.004 .021 2.004 MEAN.018 t.015 .017 2.013 I (1) PUMP OUT OF SERVICE I I I

O Lh th th e o. o. O. M 3 Z0 +1 48 +l O 4 0 -== e w e

w. M E t== O w V 8

4 e i eJ M C O eO O N N 8 +*

• 4

- O e e +1 O +t O O>N e o e N N 8 O N N. e.d I w* g - v

== V 4 4 9 N = O 0 0 O O.== = eJ N N 4 4O-a +1 0 +g O DWD E N N 9 O e (J e ** V e-3 - OV an a-w 4 4 5 M N l O O e O OM N N 4 + eJ PO4 s et O +t O tJ >= O I N N t O N P o-B== y e-V O e= t mm em w 4 4 B N N O O t O O

• s N e

=4 =w -O& i +a O +1 O O M fJ B N N 9 N M P P a e= v e-V O O 5 4 4 8 N M 40 0 4 O O= 4 N N I

• = =

&O-8 +1 O +1 O e N&O l N N I O N.- y 4 N @ a e v C O O I N 4 O 4 4 5 N N = .N. O 40 I O O.- N N e

• N OCe s +t c

+1 O O M P-eJ e c w N N eo e r M N 9

==.y O. y 4 n oe 4 d O 3 N O 4 4 8 N M N M4 O O 6 O O O kO N N 8 =

• LA N

M& MOO e +t O +t O O, 4== O>M e e g 4 N N t M 4 Q 4 @ t== .- y M O O t

• v w

e <M w >= 4 4 i N M g g 2 at O O eO ON u O M> N N s a N g g th eOM e +p C +t O q in N t= O t w e EE N N I O M p g

• W 4

4 e== v 33 O O,e .. y p C UO w b O O N 4 4 9 eJ M N w p MU O O 9 O. O. O. & J UM N N e 4 Lr -O& 6 +t +1 +e O O

== C M >= N 6 g M N N 6 O@ a4 M 4 sOO OV O

• J O e 6

O O b WO th O > > = 4 4 9 eJ M w > = > = 0 C e O. N O. eJ w w MO N N a y a E e2 MO-a +1 O +# O. w w as oeM s .,a 3 Z N N e& O WW M M eOy

== y w Me N at O O e - e .J e e W gD e et b gg X w px 6 O 4 4 I M e-w O e i O. M O.- U M 6O N N # ww p C OOM s +1 O +s O p.J N >= O 4 W ED O >= N N e& N gg p 6"* M w so eOy O O e - Ov p MM y >* U w w at M M 4 $ M e. wp E> O O eo o z. y N N 0 = LA e th M g,a ZW

== 0 40 e +t C +6 O gc WZ M >* (J t e -w p 4 g-N N eo e ,3 O N

• • 0 *= y OV ag O S2

=- O 0

• U6 W

WM M W I E >= M C l >O O M I >= Z O .J t bO NO g, 4 W D . Ox Ox m. U M X 9 B W W w -O CD <O e 4 >- U I N >= 0 g ** 4

ll TABLE XV ANALYTICAL DATA FOR AIR IODINE SAMPLES CONCENTRATION OF I-131 ( FC/CU. ME TER ) 1984 GROUP I GROUP II GDOUP III MEEK.......-....-.-------..-.--.--.- 18 12 2 3A 5 60 14 100 I 1 <.03 <.03 <.03 <.00 <.01 (.02 <.01 <.00 2 <.02 <.C2 <.00 <.01 <.02 <.02 <.01 <.03 3 <.01 <.01 <.00 <.01 <.009 <.01 <.01 <.01 4 <.02 <.00 <.00 <.02 <.01 <.00 <.02 <.02 5 <.02 <.00 <.03 <.00 <.01 <.009 <.C09 <.02 6 <.02 <.00 <.00 <.02 <.01 <.01 <.01 <.01 7 <.C1 <.01 <.00 <.01 (.008 <.00 <.00 <.02 8 <.01 <.009 <.01 <.01 <.01 <.01 <.01 <.01 9 <.02 <.00 <.02 <.00 <.01 <.00 <.00 <.01 10 <.03 <.00 <.01 (1) <.00 <.02 <.00 <.00 11 <.00 <.01 <.02 til (.C2 <.00 <.01 <.02 12 <.02 <.00 <.00 (1) <.00 <.01 <.02 <.00 13 <.00 <.00 <.03 111 <.02 <.02 <.003 <.01 14 <.03 <.03 <.03 (11 <.02 <.01 <.00 <.02 15 <.02 <.02 <.00 <.02 <.01 <.00 <.03 <.06 I 16 <.00 <.C2 <.00 <.00 <.01 <.00 <.01 (1) l 17 <.003 (.008 <.009 <.008 <.006 <.00 <.00 <.05 18 <.02 <.02 <.02 <.00 <.01 <.00 <.00 <.01 19 <.01 <.01 <.01 <.01 <.00 <.02 <.01 <.00 00 <.00 <.00 <.01 <.00 <.00 <.C0 <.00 <.00 21 <.02 <.00 <.00 <.00 <.01 <.02 <.02 <.02 22 <.01 <.01 <.01 <.01 <.008 <.007 <.003 <.03 03 <.05 <.C3 <.02 <.02 <.02 <.00 <.01 <.04 24 (1) <.02 <.00 <.00 <.03 <.01 <.03 <.00 I 25 (1) <.00 <.C0 <.02 <.02 <.02 <.01 <.01 26 (1) <.C0 <.02 <.02 <.01 <.01 <.Ct <.01 27 <.02 <.00 <.01 <.01 (.009 <.00 <.00 <.00 28 <.03 <.02 <.01 <.01 <.01 <.01 <.01 <.00 29 <.01 <.01 <.01 <.01 <.01 <.00 <.C3 <.01 30 <.02 <.01 <.02 <.02 <.02 <.01 <.009 <.02 31 <.03 <.03 <.03 <.02 <.01 <.01 (.C0 <.01 32 <.04 <.02 <.02 <.02 <.01 <.00 <.03 <.02 33 (1) <.03 <.03 <.03 (1) <.00 <.01 (.00 ! I 34 1 <.C2 <.01 <.01 <.01 <.01 <.01 (.006 <.01 35 <.01 <.01 <.01 <.01 <.01 <.01 <.01 <.006 1 36 <.02 <.02 <.02 <.02 <.01 <.01 <.01 <.02 37 <.00 <.03 <.00 <.02 <.01 <.01 <.01 <.00 I 33 <.00 ft) <.02 <.02 <.02 <.01 <.01 <.03 39 <.02 (1) <.00 <.02 <.00 <.00 <.02 (1) 40 <.01 <.02 <.01 <.01 <.009 <.01 <.01 (11 41 <.02 <.02 <.00 <.00 <.01 (.01 <.01 <.01 42 <.02 <.02 <.01 <.01 <.01 <.01 <.01 <.00 43 <.02 <.02 <.C2 <.02 <.008 <.02 <.02 <.01 44 <.02 <.006 <.02 <.02 <.02 <.01 <.C06 <.01 45 <.00 <.02 <.009 <.01 <.01 <.00 <.02 <.01 46 <.01 <.01 <.01 <.01 <.01 <.02 <.02 <.02 I48 47 <.03 <.03 <.03 <.03 <.02 <.04 <.C4 <.01 <.52 <.02 <.01 <.01 <.01 <.01 <.C1 <.01 49 (2) (2) (0) (2) (2) (2) (Of <.01 50 <.01 <.0f <.01 <.01 <.008 <.00 <.02 <.01 51 <.03 <.03 <.03 <.03 <.00 <.03 <.03 <.01 52 <.00 <.02 <.02 <.02 <.009 <.01 <.01 <.01 MEAN <.000 <.019 <.018 <.017 <.013 <.016 <.016 <.018 (1) PUtip 04T CF SEPVICE (2) SartrLr LOGT Ill SilIFPIllG ll ll

I t8 M @ m M 4 N M 4 4A N M 4 4 4 M M @ M LA 4 4 4 M 4 th M M N M @ LA 4 M M M M M M 4 8 OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO O I e e e e e C eevvvvvvvvvvvvvvVvvvvvvvvvvvvV vvvvvvvvvv v i I 9 I e 8 I 4 M 4A @ m N @ 4 LA la la 4 4 4 4 4 @ M th 4 IA 4 N 4 th 4 M M M th @ lA 4 M M M M M 4 I I 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 O O O O O O O O O. O E 6 O i e e e e I O OO e I Z g I Q * & EO 8 V V V V V V V V V V V V V V V V V V V V VV V V V V V V V V V V V V V V V V V 8 w 8' O +1 +1 O 40 3 9 W s W 9 P t 3 4 e 5 V V I e e OO O I e t

== @ M g 9 0

== N

• =

s M 4 4 4 7 0 t O O O O O t 8 g e e I i E e e I O s v V V v v I e oO I I I e EO I E I 4 =J t O +1 +t O +1 I M I dEJ an 4 I E i g I I V V g a 4 O O M N M M 4 I 6 OM

== 0 Oe O O O O e s &N

== t J t t 3 t V V V V V 3 I g 9 I O O t i OOO 4 Q l N w= b e @MMM 4 ew 8 O OOOO O 9 > I O +t +t +1 +t g e e e et I w= e2 I s e 4 se iA M 4 e @ 4 M LA LA 4 iA LA 4 4 LA 4 4 LA m o e in m 4 4 M 4 @ 44MM e i V 4 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 0 41 +1 +l +4 O O O O 5 I OOO O e e e e e 6 I NO@ N 7 3 6 8 MNN ed 8 Y V V V V V V V V V V V V V VV V V vV V V V V V V V V V V @==ONV V V V W O I s Oe== 0 0 0 I t I e e e 1 I O t I OOO I t @P@ I g i O e .J t O +4 +1 +1 +l 4 4 4 LA 4 M 4 4 i M i e I OOOOOOO

== 0 Et t e e o e e i V f 0 i OOO O 9 4h IA LA 4 4 LA N 4A M LA 4 4 4 4 4 4 4 4 4 4 @ 4 4 4 4 M 4 LA M 4 I e e4M P G 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 ** +4 +1 +1 +t +t +l +4 O O O O I 0 N *= N g e e e e e e e e e e e e e O t I I I V V V V V V V V V V V V V V V V V V V V V V V V V V V @ N== 4 M LA e V V V V N I O I

===e

== 4== O O I I O O e e e e e B 9 O OO I R I ** 40 P N t w 6 6 H I +4 O +0 +1 +1 I 9 4 e N i 3 5 6 0 t V I O OO O I M N to M LA a a I N 40 4 4 4 O O O O O Q l i N MN N 9 e e e e w Q I taJ t W D 0 t V V V V V M I 0 I J t B O N I I O OO N O I i e be N k 8 M 4 8 w I .J e +4 O +1 +1 +; a I we I l M 4 E I i M N LA @ 4 @ IA LA M IA M 4 4A 4 M M 4A 4 IA tA 4 4 4 4 LA M IA M M & 4 M M M M 4 4 M 4 I I I V C 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 O O O O O O O O o e 4 4 M I O I 6 O OO .O. I e e e e e e e e e e e e e e e e e Q 9 0 0 N MN N 2 0 V V V V V V V V V V V V V V V V V VV V VV V V V V V VV V V V V V V V V V V (A w I w 0 9 &nd e D t t -J M O t 5 O EL.J g 9 8 O OO M EN t $ 2 6 P NN

== 4U 8 6 I w 1 O GA 4 8 O t H 0 +4 O +1 +t +1 w I M M 4 m 4 lA LA 4 4A LA LA M 4 M M M LA 4 4 LA N 4 4 4 @ M M M M 4 4 m M M M M LA M 4 I 4 0

== g I OOOOOOOOOOOOOOOOOOOOOOOOOO.O.OO.OOOOOOOOO O CA I 3 I .J t e e e e o e e e e e I e v b I I O OO O MM Q I E ** I V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V M i 0 LA Oe e i t I I N ta **== 2M 4 4 I O 2 e I nne k t t O e i e O ( 8 w I B C OO

== b (A I Q I I 4D 4Z B M M @ 6A LA N N 4 41 M M LA M M M th 4 4 LA LA 2 m m M 4 4 M 4 LA LA 4 4 M M 4 4 M 4 I g I CO I COOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO O 6 I w I +1 O N O +1 M I e e e *

• e e e e o e e Q

I M f =J > O I I E t 44 e vvV V V V V V V V V V vV vvV vvvV V V vV V V vV V vvV vvvV V V e i V Wg I t i O OO O MH t E N 40 va >Z 0 t N

= = ==

> Led =J Q Z t et Z t O I 44 f4 2 20 t M e to e e e et gu e M M m N 4 IA 4 4 IA 4 4 M ah 4 M M N 4 4 4 4 4 4 4 M m M M 4 4 4 4 m M M 4 4 M 4 > wI NNNN taJ 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 O O O O O O O O O t O UW 8 PMMN E g e e e e e e nad ( e **== O = 4 e e.J Q t NNNN e V V V V V V V VV V V V V V V V V V V V V V VV V V V V VVV V V V V V VV V .J e M to e ed i O e o O O *= U 0 O E 44444444444444444444444444444444444444 2 Mp M I ommeceeeeeeeeeeeeeeeeeeeemoocemecemece < 4 H haJ I NNNNNNNNNNNNNNNNNNNNNN NNNNNNNNN NNNNNNN nu u>I M C @ ca & 4 M O N 4== EO <*== e LA N @ @ M O @ M O N M C N 4== 40 th N @ th N @ N 3. LaJ &W 4 I f J N ** O O *- tJ M O ** N f J O = ** fJ O O== N M O *= N N O e== fJ O O== tJ N O ** ** *= w JQ 8 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ID J B -tJM444444AlA24A@ @ @@ N N N N N to to 40 CO & P & & O O O O O====== ed 4 O I 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 **== e-

= *= = = =

U t

TABLE XVII ANALYTICAL DATA TOR MILK SAMPLES CONCENTRATIONS Or I-131 (PC/ LITER) COLLECTION NEARBY TARMS INTERMEDIATE TARMS 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 04/16/84 <.07 <.07 <.06 <.06 I 04/23/84 <.05 <.06 <.05 <.05 04/30/84 <.04 <.05 <.04 <.04 05/07/84 <.04 <.04 <.05 <.04 05/14/84 <.06 <.05 <.04 <.05 I 05/21/84 <.04 <.04 <.04 <.04 05/28/84 <.04 <.04 <.03 <.04 j 06/04/84 <.05 <.05 <.05 <.05 l I 06/11/84 <.04 <.04 <.03 <.04 06/18/84 <.04 <.04 <.03 <.03 06/25/84 <.04 <.04 <.03 <.03 07/02/84 <.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 1.16 <.03 <.03 .05 i.09 09/24/84 .08 2.16 <.03 <.04 .05 t .10 10/01/84 .08 2.06 <.07 <.04 .06 1.05 10/08/84 .09 !.09 <.05 <.05 .07 i.07 10/15/84 .19 1.42 <.04 <.04 .10 i.27 10/22/84 .09 !.12 <.04 <.03 .06 1.09 10/29/84 .06 1.05 <.03 <.03 .04 2.04 11/05/84 <.04 <.03 <.03 <.03 11/12/84 <.04 <.04 <.04 <.04 11/19/84 <.03 <.04 <.04 <.04 12/17/84 <.03 <.03 <.03 <.03 I

TABLE XVIII CONCENTRATIONS OF Sr-89, Sr-90 and GAMMA EMITTERS

• IN MILK i

IN THE VICINITY OF PEACH BOTTOM ATOMIC POWER STATION, 1984 Results in Units of pCi/f i 2 sigma NUCLIDES FOUND STATION SAMPLING NUMBER DATE Sr-89 Sr-90 K-40 Cs-137 J 03/19/84 <3 2.71.6 15001200 <2 l 08/13/84 <3 511 15001200 <2 09/03/84 <2 1.61.3 12001100 <2 12/17/84 <2 .81.7 1500t200 <2 l For typical minimum detectable levels of nuclides searched for and not found, see Table XXVI. M M M

m m m M M M M M TABLE XIX ANALYTICAL DATA FDR SOIL SAMPLES CONCENTRATION 1PC/GRAP1 DRY) TOP STATION COLLECTION PORTION CDOE DAIE SR-89 SR-90 DE-7 K-40 CS-137 RA-226 TH-228 2 08/04/84 <.2 .14 i.07 .10 i.05 9.6 !.1 .85 i.09 <.06 .76 i.07 10/27/84 <.08 .31 i.07 .4 2.4 i.8 .9 i .1 3 1 1 .I2 1.07 NEAN <.14 .2 i.2 .3 i .4 6 1 10 .08 i.07 2 14 .4 i .9 3A 08/04/84 .1 .28 i.08 .2 18 12 1.5 .2 2.4 i .7 1.7 1.2 10/27/84 <.07 <.03 .3 17 12 .97 1.01 3.5 1.9 1.2 i.I MEAN <.09 .2 1 .4 <.3 to i1 1.2 i.7 3 12 1.5 i.7 5 08/04/84 <.2 .12 i.07 .9 i.3 20 12 .53 2.05 2.2 i .6 1.8 i .2 10/27/84 <.08 <.03 <.1 21 22 .35 i.04 2.8 i.5 1.2 2.1 NEAN <.14 .08 i.13 .5 i 1.1 21 1 1 .4 i.3 2.5 i .8 1.5 i .8 NEAN 34 C 5 <.11 .12 i.24 .4 .7 19 i4 .8 1 f.0 2.7 1 1.2 1.5 1 .6 l NEAN ALL STATIDNS <.12 .15 i.24 .3 i.6 15 14 .9 i .8 2 !2 1 1 l l BOTTDM STATIDH COLLECTION PORTIDH CDDE DATE SR-89 SR-90 BE-7 K-40 CS-137 RA-226 TH-228 2 08/04/84 <.2 .31 1.07 <.2 12 1 1 .37 i.06 1.5 i.08 .90 i.09 10/27/84 <.09 .27 i.05 <.2 4.7 i.5 .52 i.05 1.4 1.07 .37 i.08 NEAN <.15 .29 1.06 .2 8 i 10 .5 i.2 1.5 i.1 .6 i.8 3A 08/04/84 <.09 .06 i.06 .1 21 12 <.03 2.3 .7 1.4 1 .1 10/27/84 <.09 .06 1.03 <.2 18 22 .81 i.08 2.6 .7 1.5 .2 NEAN <.09 .06 10 .2 19 4 .4 i 1 2.5 t .4 1.5 1.1 5 OS/04/84 <.2 .06 i.05 <.1 23 12 .55 i.06 2.2 1.5 1.4 1 .1 10/27/84 <.09 <.03 <.1 22 2 .34 .03 2.2 i .4 1.7 1.2 NEAN

• .15

.05 i.04 .1 23 11 .5 i.3 2 10 1.6 1 .4 NEAN 34 C 5 <.12 .05 .03 <.13 21 14 .4 1.7 2.3 1 .4 1.5 i.3 NEAN ALL STATIDHS <.13 .13 .25 <.2 20 1 10 .4 1.5 2 11 1 11

• FCR TYPICAL HININUM DETECTABLE LEVELS OF HUCLIDES SEARCHED FOR At:0 NOT FOUtc. SEE TABLE XXIII.

1

TABLE XX MONTHLY TLD RESULTS RESULTS IN LMITS OF MRADS/$1D. MfMlH STATIDH 84 84 84 84 84 84 84 84 84 84 84 85 CODE EQV.NO. AVG. 01/07-02/11 02/11-03/03 03/03-03/38 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 (2) 1A 7.42 2 0.90 6.75to.50 7.11tt.45 7.81t0.79 8.0111.76 7.24to.62 6.92tt.It 6.80f0.59 7.6 9t t.0 2 7.7611.03

7. 25t 0. 77 7.8610.54 7.6811.19 18 5.68 1 1.33 5.5021.04

6. 0 7t o. 87 4.8820.25 6.6410.47 5.7910.47 5.56t0.88 4.3720.89 6.0410.63 5.55t2.13 6.7011.32 5.90to.74 s.42tt.19 1C 6.92 1 1.57

5. 89t t.4 3 6.7&tt.04 6.15t0.57 8.3110.29 6.1912.71 7.55t0.97 5.72t1.74 7.0420.88 7.31t0.70 7.0220.93 7.34tt.49 7.59to.93 10 6.42 ! 1.36 5.46t0.t9 6.4710.78

5. 76t o. 35 7.5220.71 5.74to.35 7.02to.95 5.8522.05 6.31to.24 7.3219.02 138 6.7711.08 6.4tiO.94 1E 6.49 i 1.35 5.4820.69 6.4 9t t.59 6.59to.14

6. 45t 1.13( 1 16.1221. 2 7 6.2120.37 5.2111.20 7.1521.23

6. 93t o. 91

7. 3 7t o. 35 6.7810.86 7.35to.38 1F 7.73 1.40 7.0122.08 7.5S!0.72 7.58 f.15 8.6&to.80 6.89t1.48 7.7521.21 6.6111.01

7. 84t 0. 77 8.9120.91 8.1611.95 8.3221.24 7.45tl.62 16 5.09 i 1.08 4.6210.32 5.1 &t o. 38 4.70tt.10 5.25t1.06 4.46to.92 4.9021.17 4.31to.94 5.2110.65 6.2910.47 5.2810.62 5.39t0.85

5. 5 7t o. 30 t 's 6.6711.24 5.82 0.53 6.70t0.43 6.4 7t t.42 7.1920.55

5. 79t 0. 2 0 6.7111.33 5.83tt 06 7.55t1.07 6.80t2.14 7.46tt.22 6.6 7t t. 71 7.30tt.78 II 5.35 2 0.99 5.64t1.31 5.6810.92 4.5610.48 5.88t0.74 5.1120.71 4.9711.93 4.3811.27 5.5120.67 5.4 9t 0. 86 5.9110.40 5.69t0.73 5.36fD.19 tJ 7.83 1.40

6. 9 at 0. 75 7.86 1.58 7.30t2.20 8.5610.69 7.17t l. 24 7.6710.62 6.9121.47 8.4121.55 8.46tt.01 9.1611.16 7.0&to.73 8.05to.76 fL 4.97 2 t.61 4.5710.49 4.90tt.73 5.8121.00 6.4120.92 4.32tt.14 3.7121.29 3.8110.43 5.35t0.56 5.46tt.00 5.6210.75 4.83tt.08 4.7720.71 1M 3.69 0.73 3.8310.18 3.84t0.29 3.0820.39 4.28t0.25 3.3710.69 3.7410.84 3.26tt.21 3.4620.55 4.1010.72 3.44to.58 4.0110.78 3.7110.48 2

6.2411.13 5.79t0.43 5.9710.78 6.2721.10 6.58tt.05 6.76!1.08 6.3510.41 5.0110.59 6.5711.25 6.78it.34 7.0111.13 5.7121.32 6.45tt.44 3A 4.84 i 0.99 4.3620.26 4.5610.49

5. 3 9t o.48 5.32 0.99 4.5110.74 4.48t0.41 3.78 0.24 5.0910.47 5.1510.46 5.35t1.11 5.1120.44 4.9720.19 4K 4.48 2 1.28 5.7411.19 4.5110.90 3.9110.58 4.7910.82 3.85t0.25 4.85t0.81 3.2110.20 4.7010.77 4.1310.72 4.60!1.04

4. 96t 0. 44 4.3120.17 5

6.3611.17 6.5720.64 6.76to.27 5.7211.70 6.90t0.28 5.5710.39 6.6020.68 5.2721.05 7.15 1.07 6.36tl.37 6.8011.11 6.66to.49 6.0810.78 G8 5.32 2 0.80 4.8810.37 5.62it.01 5.6610.65 5.2720.67 5.0720.80 5.21t1.02

4. 7 t i o. 75 5.69to.44 5.94t4.01 5.75!I.42 (3) 5.08to.48 to 6.40 1 1.27

6. 4 9t 0. 64 6.9010.98 7.00iO.77 6.7520.68

5. 95t o. 70 5.8110.79 5.2110.95 7.2210.74 6.56tt.53 7.17t i. 58 6.48tt.15 5.7220.35 15 6.91 2 f.17 6.7710.55 7.32!1.36 5.4 9t t.22 6.8 9t t. 02 7.4220.89 6.5110.56 6.5620.43

6. 98t 1. 69 7.85tt.39

6. 94i t. 85

7. 3 7t o. 51 6.9 1! 0.36 16 6.7911.23 6.89 0.44 7.15ko.50 6.6321.05 E3) 6.87i o. 44 5.79 1.11 6.2110.76 7.45to.50 6.00t2.18 7.6520.58 6.5621.03 7.4&tt.18 17 7.59 2 1.48 7.19t t. 50 8.0721.55 7.3010.67

8. 2 9t t.18 6.59t0.59 7.6421.26 6.2221.54 8.18tt.16

7. 3 9t t. 21 8.15t2.42 8,80f0.53 7.40tt.81 18 7.09 t 1.96 5.9221.02

9. 6 9t 8.6 7 6.0811.08 7.3011.01 6.5611.26 6.8610.52 7.0510.47 7.2610.92 6.9711.24 7.1011.05 8.06t0.34 6.90tt.54 19 6.40 t 1.05 5.9120.37 6.98io.75

6. 7&t t.43 6.95t1.22 6.0210.31 5.8710.79 5.8120.72 6.05t1.25

/t t. 28 7.3810.66 6.3521.57 6.2220.56 20 8.01 0.84 7.45t0.98 8.20tt.31 8.1311.44 7.6910.76 7.4&tt.94 8.0110.45 7.8811.84 7.9211.41 8.6910.69 8.7910.38 8.2611.35 7.91tt.fo 218 6.24 1 1.34 5.1221.40 6.34t1.07

5. 6 9t o.61

6. 9&t o. 52 6.5 9t t.6 3 6.0110.48 5.14 0.23 6.6&20.64 6.6211.35 6.5811.30

6. 0 7t t. 30 7.21 1.18

m M M TABLE XX ICONT.) W HTHLf TLD RESULTS RESULTS IN UNITS OF NRADS/510. MONTH STQTION 84 84 84 84 84 84 84 84 6+ 84 84 85 ...-12/01........_.-01/05 (2) CCDE EQV.MO. AVG. 01/07-02/11 02/11-01/03 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 22 6.7421.17 6.20 1.04

6. 9 7t 1. 81 6.2121.14 7.16 0.71 6.31t1.73 6.2520.90 6.75tt.07 6.22t1.04 7.31to.65 5.99t2.04 7.44t l. 32 7.69tt.08 23 7.01 2 1.03 6.52 1.05 7.30!0. 94 6.06to.81 7.tSto.42

6. 9 7t t. 0 9 6.33t0.91 7.2221.15 7.3610.82 6.87t t.67 6.7511.22 7.66 1.22 7.72tt.77 26 5.13 1.01 4.6020.23 5.74t0.66 4.4810.32 5.51tt.09 4.90tt.01 5.16tt.24 4.68tt.52 5.17t 0. 95 5.15 ! 0. 0'+

6.18to.62 5.50tt.28 4.7910.38 26 7.49 2 1.62 6.94t2.00 7.64t0,59 6.8020.83 7.7811.36 7.35t1.16 6.53to.56 6.20t0.64 8.1211.07

8. 89t t.42 7.4710.46 7.5220.55 8.6710.92 27 7.31 2 1.23 7.5&t o.4 7 7.0810.28 6.4610.32 7.59t0.22 6.4410.43 6.6121.09 6.8 7t t.51 7.40t l. 77 8.14tt.57 8.25tt.58 7.8011.18 7.28tl.42 31 6.6921.38 6.45t0.68 7.18.t o.46 5.6310.88 7.3010.99 6.28t1.26 6.5110.55 5.6720.39 6.7111.32

6. 70 t t. 71 8.0010.74 6.54tt.56 7.38to.19 32 7.32 2 1.04 6.7310.37 7.56tt.01 6.70to.41 7.53!1.10 7.1221.19 6.72tt.13 6.6611.22 7.65t t. 36

7. 36t t. 70 8.0218.34 8.00to.82 7.8110.34 334 5.11 2 0.86 4.55t0.89 5.19t o. 6 0 4.4510.95 5.58f0.65 4.85t0.40 4.96t0.96 4.7213.91 4.93t0.82 5.50*0.64 5.6 9t o. 66 5.28t0.56 5.6210.49 3G 7.08 2 1.49 5.9710.58 7.54tt.18 7.18t t.58 7.7720.33

7. 6 5t o. 5 3 6.26tl.16 5.8420.72 6.80f0.99 6.99*0.37 7.21 t o. <5 7.66*0.73 8.17t l. 4 9 40 7.59 1.65 7.7710.46 8.32 f.14 6.9221.23 8.22fo.51 6.45to.90 6.56!0.67 7.3122.84 6.3112.42 8.36to.30 8.65to.72

7. 82t o. 84 8.15t o. 75 42 8.28 1.46 7.10t t. 56 8.73tl.52 8.03*0.35 8.51to.93 7.26to.54 7.5210.68 8.3&t0.39 8.19t 0. 41 8.90t0.83 9.59tl.21

8. 36 t t. 37 8.9111.26

.e 3 7.43 i 1.23 6.3610.73 7.1612.26 6.83tt.88 7.6410.81 7.0721.16

6. 7 3t t. 3 3 7.2910.82 7.5111.06 8.1711.85 8.24tt.29 8.20t0.69

7. 79t 0. 95 46 6.09 t 1.47 5.8321.0S 6.31ft.29 5.11to.73

6. 8 5II. 50 5.80t0.74

5. 5 7t o. 51 5.21tl.13 5.14tl.08 6.59to.87 6.99*0.45 7.20to.84 6.21t1.49 45 7.44 2 1.09

6. 8 7t l. 36

7. 8 9+ 2. 02 6.75tt.84 7.85t0.94 7.08*0.84

6. 93f 0.6 7 7.5611.20 7.19t 0. 5 9 7.1711.54 8.3411.75 7.30t0.49 8.2020.98 6.17 t 1.45 5.86to.89 6.6510.38 5.1920.72 7.17t t. 38

5. 9&t t. 2 7 5.1811.32 5.44t0.46 6.0210,44 6.64*t.58 7.40tt.12 5.9711.17 6.55t0.66 47 7.73 t 1.15 7.0521.36 8.54to.64

6. 94t t.15 8.0220.84 8.13t o. 2 3 7.0210.41 7.l?tt.69 7.90to.61 8.38*1.20 8.28tt.45 7.6t10.72 8.03tl.15 40 6.88 2 1.26 6.78to.90 6.4 t t o. 77 6.7711.55 7.46t t.13 6.70tl.73 6.0&*1.16 5.59?O.25 6.85t0.63 7.45*0.75

7. 01+ 1. 4 5 7.84tc.71 7.32to.58 40 7.36 1.11 6.2720.82 7.8820.84 6.60tl.73 7.5510.55 7.12te.54 6.85tt.26 7.89*0.56

7. 3 7t o. 70 7.41 t t. 5 7 8.05tl.54 7.86t 0. 76 7.51tl.45 50 8.06 2 0.94 7.9721.63

8. 36 t o. 57 7.56tl.35 8.5211.22 7.20to.72

7. 76t 1. 5 9 7.4 t t 1. 0 7 8.34to.92 8.12*0.28 8.50to.95 8.59*0.88 8.3220.65 51 7.01 2 1.27 7.15t0.96 7.10tt.80 5.46t0.81 7.36tt.46 6.73?0.44 6.48tt.it 6.5010.45 7.4210.73 6.99t1.63 7.94*t.31 7.29t2.64 7.4620.81 IXN 7.9320.87 7.1721.60 8.1420.75 8.3111.33 8.20tt.88 7.6 0t t. 31 7.74to.51 7.3110.26 8.1221.26 7.8tto.95 8.65*1.65 8.30tl.85 8.02to.74 01/09-02/13 02/13-03/07 03/07-04/02 0 +/02-05/07 05/07 06/01 06/01-07/03 07/03-08/07 03/07-09/0'. 09/04-10/09 10/01-10/29 10/29 11/30 11/10-01/05 12B 5.25 1 0.72 5.14t0.58 5.7110.38 5.3110.66 5.3721.46 4.4Eto.21 5.5211.08 4.9ato.57 5.10t0.*>

4.9.*2.82 5.60tt 00 5.68t0.49 5.13t1.64 1 COLLECTION DATES FOR STATION 1E WERE 04/06/84 TO 05/06/84 2 COLLECTION DATES FOR STATIONS IB, 1C, 1G, 1H, II, IJ, 2, 3A, 4K, 5, 68, 16, 17, 19, 21B, 23, 24, 27, 31, 44, 46, 47, 48, AND INN WERE 12/01/84 TO 01/04/85 3 TLD VANDALITED

TA!LE XXI QUARTERLY TLD RESULTS RESULTS IN UNITS OF MRADS/STD. F10 NTH STATICH 84 84 84 85 STATI0t4 84 84 84 85 CCDE EQV.MO. AVG. 01/07 03/31 03/31-06/30 06/30-09/29 09/29-01/05 ft) CODE EQV.MO. AVG. 01/07-03/31 03/31-06/30 06/30-09/29 09/29-01/05 tA 6.9t i 1.79 6.29to.58 6.54t0.48 6.54t0.59 8.20to.51 21B 6.51 2 0.78

6. 78t o.48 6.05t o.4 7 6.3110.92 6.88t0.59 fB 5.54 0.62

5. 2 9t o. 27 5.3210.61 5.51to.77 5.9720.55 22 6.89 1 0.70 7.2110.79 6.4110.33 6.92 0.89 7.0210.77 1C 6.93 t 0.77

6. 7&t o. 59 6.4920.98 7.40tt.41 7.0211.03 23 6.59 2 1.44 5.75t0.34 6.2010.50 6.94tt.73 7.36tt.43 1D 6.16 0.95 5.60t0.52 6.46to.78 6.3720.63 (21 24 5.01 1 0.70 5.1110.28 4.62to.69 4.8110.72 5.4420.44 1E 6.16 i 1.02 6.30tt.19 5.59to.48 5.95to.33 6.7820.38 26 7.52 1 1.46 7.4420.65 6.9211.38 7.10tt.24 8.5510.64 1F 7.92 1.96 7.36t1.46 6.90tt.07 9.1211.12 8.2220.39 27 7.20 1 1.28 7.2621.26

6. 30 t 0.17 7.4011.08 7.8120.72 1G 4.82 t 0.88 4.70to.34 4.3&to.57 4.7110.96 5.4110.68 31 6.05 2 0.97 6.18t0.23 5.3120.46

6. 2 7t 0. 82 6.4011.04 1H 6.5* 1 1.13 6.7220.44 5.70fo.67 7.0111.43 6.60tt.01 32 6.70 1 2.04 5.9420.99 6.4110.28 6.12it.28 8.16tt.08 11 5.0610.69 5.0610.23 4.69to.52 5.5220.63 4.99t1.19 33A 5.08 1 0.68

5. 39t 0. 6 3 4.68t0.41

+5.02to.65 5.2421.10 tJ 7.0321.06 6.4711.02 6.64tt.33 7.42I2.27 7.5110.97 38 6.96 1 1.61 6.8821.59 5.84t0.48 7.6220.52 7.46 1.33 1L 5.00 1.11 5.6410.45 4.6220.32 4.4720.44 5.3120.47 40 7.51 t 1.65 6.8120.69 6.7810.45 7.8621.63 8.46!0.33 tM 3.56 ! 0.97 3.51iO.81 3.1710.25 3.2510.74 4.24t0.39 42 7.99 1 0.77 8.01 0.95 7.45t t.16 8.12 0.96 8.36t0.35 2

5. 94 2 1.59 5.0ft0.67 5.6110.73

6. 0 9t o. 39 6.9010.89 43 7.30 t 0.88 7.5 7i t.17 6.69 0.68 7.2512.13 7.6820.79 34 4.76 0.90 4.90t0.86 4.17t o. 38 4.7021.47 5.2510.54 44 6.3711.68 6.9120.72 5.1320.82 6.64tt.47 6.80t0.89 4K 4.42 1 0.56 4.40t0.48 4.06t0.39 4.7410.81 4.4 7f D. 78 45 7.04 ! 1.37 7.01!1.07

6. 0 7t o. 58 7.5511.43 7.5121.f1 5

6.12 1.09

5. 94t t. 21 5.45t0.55 6.7121.56 6.31tt.06

• 6 s.96 t 0.94 6.06to.73 5.3620.46 5.8911.52 6.50tt.41 68 4.98 1 0.66 5.20t0.84 4.71f0.45 4.66t0.51 5.3120.70 47 7.60 ! 1.39 7.7120.87 6.6110.68 7.79tt.61 8.2620.68 14 6.16 1 1.42 5.7910.48 5.75tc.13 5.7810.97 7.2011.07 48 6.64 2 f.69 6.1810.98 5.8520.75 6.6111.29 7.7520.95 15 6.56 2 f.62 6.3021.10 5.9120.42 6.19t t.6 9 7.72io.85 49 7.38 2.04 8.3211.23 5.9720.24 7.8910.76 7.4210.45 16 6.8311.54 5.9120.83 121 7.02tt.57 7.4111.40 50 7.99 1 1.75 7.4611.21 7.3210.71 7.81t1.77 9.2121.48 17 6.93 f.38 6.3220.71 6.5720.87 6.8010.26

7. 89t 0. 69 51 6.68 2 1.16 6.1620.42 6.2620.47 6.7920.44 7.4220.82 18 6.99 i 1.63 6.6111.33

5. 99t c. 54 7.75t2.60 7.51tt.08 1HH 7.2611.29 7.3010.94

6. 3 3t o. 44 7.78!1.21 7.6010.64 19 6.66 ! 1.20 6.4421.37 5.9010.79 6.94tt.38

7. 2 8t t. 32 128 (3) 5.30 ! 0.89 4.7510.70 5.09t0.82 5.71to.26 5.5910.54 20 7.44 1.53 7.8tto.99 6.6710.54 6.91!0.63 8.30!O.52 1 COLLECTIDH D ATES FCR STATIONS 18. IC. 1G.1H. 11. IJ. 2. 34. 4K. 5. 68. 16. 17. 19 2tB. 23. 24, 27. 31. 44, 46.

47. 48. AND Ital WERE 09/29/84 TO 01/04/85 2 TLD VANDALIZED 3 COLLECTI0ti DATES FOR STATION 128 WEGE 01/09-04/02. 04/02-07/03. 07/03-10/01. 10/01-01/05/85 M

M M M M

ll TAPLE XXII ME AN tF?415 fly A?Q QUARTERLY TLD PfrutTS FCD TI:E SITE ECl??CApr. ttICDLE. At to CU T IP D it!S PE SUL TS IN UtlI TS Of t'"a0/STO. I1CilTH 2 SICtiA l'E /I ATIUtl CF THE DATA I SAMPLE E NTC5UC E 1 2 3 TYPE FEDICO SITE MIC3LE pit lG OutrD PtHG MCNTHLY JAN.'84 5.84 1 2.29 6.91 1 1.74 5.r6 t 2.03 I FED /84 6.*8 t 2.64 7.01 1 2.22 7.12 2 2.cs MAP /64 6.13 1 2.74 6.21 1 1.98 6.tt t 2.35 AFP/84 7.10 1 2.68 7.16 t 1.97 6.6 3 t 1.93 tt A n 84 5.89 1 2.43 6.44 1 2.03 6.13 1 2.16 JUtt64 6.27 1 2.83 6.30 t 1.72 A.18 ! 1.94 I JUL/04 5.50 ! 2.64 6.13 1 0.53 5.9 7 t 2.35 AUS 34 6.57 1 2.72 6.89 1 0.15 6.5.' t 2.03 Sir /84 6.93 1 2.70 7.08 1 2.25 6. 5 1 2.53 CCT/e'+ 7.04 ! 3.27 7.30 1 2.30 7.0 t 2.09 t!OV/84 6.58 2.68 7.23 ! 2.10 6.e t 2.20 DIC/24 6.63 1 2.80

7. 0 J !

2.93 6.52 1 2.39 QUARTEDLY JAti/84-MAD /04 5.96 t 2.26 6.49 t 1.91 6.2t t 2.09 APP /C'. - JUtl 'e s 5.69 1 2.20

5. 9, 2 i.7e 5.72 e i.~8 I

JUL/84-SEP/04 6.38 1 3.24 6.61 i 2.06 6.50 t f.04 OCT/84-JAft/P5 6.67 1 2.50 7.16 t 2.31 6.0' t 2.11 SUMMADY CF AMBIENT DOSIMETPf rPOCDAM ST AND Ato M0'lTHLY EQUIVALElli AMPAGE COSE l? LITS IN t'P AD/510. f*0 NTH TERIDO F?E -CP( 1 ) SAMPLE tl0. OF SAttPLES PEPIOD PEDIDO MEAN MrAN Tere LOCATICtl AtlALYlED PfittlitUt1 it A (ItUt1 t 2 SIGMA t 2 sir.tta I MC'lTH L f SITE 612 3.00 1 0.39 9.16 i 1.16 6.41 1 0.78 5.05 1 0.05 ftIDD LF D ItlS 1187 3.23 1 0.20 9.59 1 1.21 6.77 t 2.26 5.70 1 1.87 DUTEP PItiS 332 4.48 1 0.32 9.69 i 8.67 6.43 1 2.24 5.89 1 1.37 QUf P T E p lY SITE 203 3.17 1 0.25 9.12 1 1.12 6.17 t 2.62 5.14 t 1.60 MICULF PINS 373 4.06 1 0.39 9.21 1 l.48 6.54 1 2.20 5.0711.25 00TEP PING 108 4.62 1 0.69 8.32 2 0.52 6.36 1 2.02 5.44 1 1.70 t i l THE FPE.0PTIONAL ttEf ti WAS C ALCUL A f E0 FRON TLD PE ADINGS 1-0 7-73 TO 8-05-76. I STATI0tl5 1M. 31 Ain 32 WEDE A00tD TO THE FPCSDAtt 7-C6-73 Ato STATICllS 33A. T8, WIDE tof Iti THE rPE CPEP Ai!C?l1L FPCSR AM. STATIC *l3 ItPI At!D 40 THROUGH 51 WEPE A00E0 TO THE FPOCPAN Ctl 07-12-80. SITE BOU'f0Apf PItlG STATICtlS-18. IC. 10. 1E. IF. 1G. lH. 1J. 1L. 1M. It#4

2. 40.

MICOLE PIllG STATICtl3 - 3A. 4K. 5. eB. 14. 15. 17. 22, 23. 26. 27. 31. 32, 33A. 38. - 42, 43. 44, 45, 46. 47. 48. 49

50. 51.

DUTEP P!tlG STATIC'IS - 128

16. 18, 19, 20, 210, 24.

I I II

l_ _.. l ,l TABLE XXI!! TYPICAL

• MINIMUM DETECTABLE LEVELS OF NUCLIDES SEARCHED FOR 80T NOT FOUND IN THE VICINITY OF PEACH BOTTOM NUCLEAR POWER STATION, 1984 NLCLIDE SURFACE WATER DISCHARGE WATER RAIN WATER AIR PARTICUIATES MILK Soll (pCi/f)

(pCi/f) (pCi/t) (10-3 pCi/m3) (pCi/f) (pCi/g-dry) Be-7 8.3 8.5 13 12 0.6 g3 72 K-40 28 27 26 18 Cr-51 8.8 11 16 31 59 0.4 j Mn-54 0.7 0.8 0.9 1.2 1.7 0.03 J Co-57 0.5 0.6 0.7 1.2 1.5 0.03 Co-5d 0.9 0.9 0.9 2.8 5.0 0.04 i Fe-59 2.3 2.3 2.4 11 28 0.08 l 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 4 Zr-95 2.2 2.3 2.3 5.0 7.6 0.08 Nb-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 0.07 Ru-106 6.1 7.3 7.8 11 12 0.5 A -110M 1.0 1.2 1.4 1.3 1.8 0.5 9 Sb-125 2.2 2.4 2.6 3.2 34 0.08 j Te-129't 1.1 1.2 1.6 129 180 0.04 1 1-131 24 6.9 7.8 8? 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 I Ba-140 6.2 7.3 8 12 0.2 l 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-232/223 1.2 1.1 3.3 [ N,-239 Typical refers to mean plus two standard deviations. Miniman detectable levels of these nuclides were not calculated for these media. Indicates a positive concentration was measured in all srples analyzed. I t l W m m m m m m

O O to c0 s0 40 <0 40 c0 40 0 '$ 4 4 4 4 4 4 sf 4 4 4 au co c0 c0 c0 <0 <0 tu a't 4 4 m 44444444 9 444444444444444 444sf44444A 4 a C O 80 40 O O 40 (O c0 C 40 s0 <0 40 C 40to80 C O 4040su O40 O u <0 a0 co I N N N N 'N N N N N N N N N N *\\ N 'N N N N N 'N N N N N N N N N N N N N N N N NN NN NNN N N N N O P@M O @ 4 e= f% m N P @ N (* @ O N sf *= N 4 ** to m rd P =0 M O @ MON 4ON4

m. eJ P W M & 4 M O N 4 eJ e O== N M o== N N O==== N O O e-M C== N N O ** o= N O O== N M O e-N N O **== (J e ed tJ O o= e-N O==== td O

$ N '% N N N 'N N N 'N 'NNNNNN NN N N N N

• % '% N N N

'N NN NNNNN NNNNNNNNNNNN 4 m'N m m m's 4 e-

==e

• • NNNNMMMM442

@,0 =D @ N N N N N 40 to 40 O P P (* P O O O======== N N N (J== 0 OOOOOOOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOO

== - *-

==o-==e-

== ** e-== O O e e a e e e e e e a e e e a e e e 5 e e e o e e e e e e o e e a e e e e e e o e e i a e e e e e e e N e M P @ M O 4 4 e= NmNP O eJ P M O N 4 w= f* 4 - co m N P =0 M O @ M O N 4 D N PmNPmMP@ MON 4

== 0 O O ** N M O== N N O o-e-NOO N M O== N N O== - N O O - N M O== eJ N O *= - O =- rd t J O==== N O== e N '% NNN

• \\ 'N N N N 'N *% N N N N N N 'N N N 'N N N N

'N N N N 'N N N N 'N I N '% '% N N N N '% 'N N N N N N '% t

==e- -e- -- eJ N N N M M 96 M 4 4 4 4 m m m'% m@@ @ @ N N N N N 40 80 dO 40 (* PP OOOOe e = e-tJ N N (J B COOOOOOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOO

== e e-

• • e==

= o= e- = = * * =

t 44 44 444 4 4 44 4 44444 4444'd 4 4 4 4 444~94 4 44 4~f444 44 44 f4 44 4 444 I C 40 O O O O to c0 o c0 40 40 C c0 c0 O <O so c0 O co co o cu <D O O c0 c0 O so c0 C O O au o O O c0 c0 O O c0 <0 <0 to so cc c0 C NN N NN N N % N NN% N NNN NNN N N '% 'N N N N N N 'N N N N N N N N 'N N N N N N N N N 's N NO 4== to e

• c0 m's e

'N N m'N O 4 *= C m M O N 4 - P% sf== 0 @ N P =O M P @ MONme (JP@MONM OO4-m rJ e i i O== N N O e= e-N O ** e= N M O ** ed N O==== N O O o= N M O e= N N O== = to O O o-ed f J O== tJ N O -- e= NO e-tJ tJ N

• % '% 's N N N N 's N
• % NN

'N N 'N N 'N N 'N 's 'N N N 'N N %. NNN N N N N N *\\ N N 'N 'N NNN N N N N M M M M M 4 4 4 4 m m m m'N l '% N *\\ N 'N N *% @ @ so @ @ N N N N c0 CD 80 O P P P P P O O O O== e -== N NNN i - = ===== 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 O O O O O O O O O O======== - - e-9

= =

e-e-

== 0 e a e e e e e o e o e e e e e e e o e e o e e e a e e e e e e o e o e s e o e e e e o e a s e e e e e e N m *= O 4== 0 m M O N 4== O 4.== C wD N P @ M @ 4 M O N m e= 0 4 o-40 m ** c0 @ ed P @ M O N M N N 4 40 m (J 4 4 M O - N e4 O e-

== ed O-==NMOe N rJ O== - ed O O - N M O - N N O - e cJ O O== rd rd O e= rd N O -==tJ O e-ed e-t I 'N N. 's 'N 'N N 'N NN 'N '% N N N 'N N N 'N N N 'N N N N %, 'N 'N N N '% N N 'N N

==

e-eJ N e4 e'NJ M M M M M 4 4 4 4 m'N m 's N N N c'N % N N *% 'N N '% *s 1 m m so @ @ @ @ N N N N to O 40 c0 (* 5 PPP O O O O e- *= e= e= e4 c4 tJ 3 e 8 e= 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 O O O O O O O O O O====== e-

ea e=

==e-

== 9 sf44444444444444444444444444444444444444434444444 494 i O 40 0 40 O to o c0 40 40 40 40 c0 to 40 40 C O EO O O 80 40 co c0 a0 40 c0 40 C c0 <0 C 40 c0 40 40 c0 C O to O c0 to c0 40 to (O co 40 C so m'N eO m N P,'NceONMOO4-m e4 P N NNN NN N N NN N N N 'N N N N N N N N N N 'N NN N 'N N N N N N N N N N N N 'N N N N N N %. I N m's N *%e-40 4 e-40 m M O N 4== N 4 - O @ eJ P @ M (* wo M O N m - O ? e-9 e-e C e-N e J O e=== t J O==== N M O== N N O o-== N O O== N M O ** r4 ed O== e= CJ O O e- (J f J O== tJ N O e= o-fJ O

t J N c0a04040P P P P P O O O O****

s's NNN N N 'N NNN N 's N NNN N

• % N 's '

I 'N 9 N 'N '% 'N N 'N N *\\ NNNNN

• \\ 'N N N N e - % 'N *%.N e'N '% N 'N M M 4 4 4 4 m m e e @,o

,'N

• e-e 4 N eJ M M M o@ @NNNN
• N (J tJ ed e 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 O O O O O O O O O O e-

== -==*===***=== = = = = - I e e s e 6 e e e o e e a e e e e I e e e e e e e a e e e e s e e e e e e e e e e e e e e e e e e e C e== N m'== 40 4== 40 m e O N 4 e c0 4== 40,D N P OM&@MONme 40 4 ** O m *= 40 m N P 4 M O N M fJ N 4 O m ed @ e M O== cd N O== - c4 O -== N M O e NNOe - ed O O - rd M O

• N fJ O e-

- cJ O O== N rJ O *= N f J O - ** N O ** eJ 's N N

• % NNN N, N N
• % 'N N N N *\\ N
• % N N N 's N N *\\

N

• N N
• % % N N
• % N5%

N N N N N N N N 'NN N N M M M M M 4 4 4 4 m m m's's e9% 9% m@ @ @ @ @NNN N 40 O in 40 P f* P P P O O O O *===== e N tJ N $ N o-

• • e-
  • rd 9 e-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 O O O O O O O O O O==== **==

e=== e-== e-e-.- t 444 f444444444444444~$44444444~$444 444444444444444 444 e O 10 C C C O <0 C C 40 C O O c0 40 C c0 0 40 0 40 C c0 40 <0 c0 0 <0 O O O s0 c0 c0 <0 c0 C 40 au co O O O <O 40 so to to o ao N N %. N N 'N N N N N N N 'N N N N 'N eNN 'sNNNNNN N NNNNN NNNNN NNNNNN N N N N 'N N m 'N - 40 m N & @ M C N M O 40 4 - m tJ (* e N m += O 4== c m M o N 4 N sf== O,o N P @ M P wo M O Ps 2== 0 4 e-G O ** N N O e=== N O - o= cJ M O== N ed O==== rJ O O - N M O w= N N O== ed O O e-tJ eJ O e-N N O e= e= NO e-N tJ 's N N N

• % 'N
• % N N 's NNNNN

'N 'N *% *\\ N. 'N 'N N N 'N N 'N N N '% N N N 'N 'N %. 's '% 'N N

e. f a N N eJ M M 'AM M M 7 4 4 4 m m e '%

@ N'N *% 's 'N l N N '% i I N P= N EO O O P P P P P O O O O e-o- = ** N N N eJ m@ @ @ @ e *= e= e-t OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO O O O O O O **== ===== e-== e- *=== ** *= e e e e e e e e e e e o e e j e e e e e e e e e e a e e e e e e e e o e a e e e e a e e e e e e e e e et== N e e= O 4== O m M O P* 4 ** 40 4 e-O4NP@M&@ M O N m== to 4 O 2 e-40 @ N P @ M O N M N N of c0 m N 4 e M O== N to o==== N O e= e= t J M O== N rd O *=== ( J O O - eJ ** O e= NNO e ed O O ** N rd O o-N N O *=== N Oe N % *s NN N N N 's N *% N'N '% 'N NN 'N '% N *\\ S. NNN N 'N 'N N %. 'N N O 9 N '% N N N 'N P G e4 - - - e-N N N N M M M e'N M 4 4 4 4 m m m'N N

• % 'N N N

'N N N *% N e'% m44@.c @ N N N 40 40 0 P P c5 P P O O O O==== * - d ta

== 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 O O O O O O O O O e-

=e'

e-e= *= o-==== e- ** I 4 4 4 4 4 4 4 4 -2 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 2 4 234444444444444444 e O O O c0 C to o c0 0 40 0,% C O O 40 40 0 0 E0 su O c0 s,o c0 su <0 co c0 O O <O <0 c O c0 O so a0 40 0 O O co ao co 40 c0 so O O c0 <0 6 % N N 'N %. NN NN NNNs N N. Ns% NN % sN NN N NN S, % NNNN N N %. N N N % N N.N N N N.%. M e N 4 e= O 4 *= O m M O N 4 =* Ps e cJ C* @ fJ P @ M P @ M C'S N e ** P 4 f J O @ e= P m M P Pm 3 emPs *== 40 @ - P =D M P 1 O *= N cJ O ** o-N O e= e= N M O== N N O== e= f 4 O O.- N M O== N N O em e- (4 O O== N tJ O== tJ tJ O e= o= N O O e= (J N had at i N *% S.

• % N %. N ra es cJ M M 'NM M 'N 4 4 4 4 m m e'N

@ =0 wo 4 N N'% N N 'N N. 's N

• \\

N N N '% NNN N N'N 'N N N 'N 'N 'N 'N N 's 's 's 's N '% N N N N N.'% 'N r'% M m@ P= N O 40 40 40 P P P P P O O O O====== *= N tJ N tJ fd a e >= e=== -== d I m @e.a CL f C 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 O O O O O O O O O =- - -======== ** o-

====e-

== E t e o e e e e e e e e e e e e e a e e e e e e e e e e e e e e e e e e e e i e o e e e s e e a e e e e e et cc e -N4-e4-OerON4-NmNP4cJP@ Me@ MONe-P4eJ40 m - P m M P N 4 - N # - e m - P e M s i se O e-N tJ Q== ** N O== = e d M O== t d r4 O e-== td O O a= N M C== f d rJ O ** - ed O O== cJ tJ O== N N O e-== cJ O O== N 4 e 's

• % *g N N N
• % N

'N N *% *s 'N N %, NN N 'N N N N

• % N 'N

's 'N 'N N *N N 'N NNN

• % N 's N N
• s
• % N N
• % N

'N 'N N N r J M M M M M 4 4 4 4 m'g mmm4@ 4@ @NNN Ps 40 C O O P P U (* w 4 e f 4====== ** tJ N e4 P O O O= O -== **== f d N N N g e== 0 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 O O O O O O O O O

==e- = = = = = = = = *

• e- - = =

M F 444444 234 4444444m2~*4444444444444444444444444 444 8U t O O <O O O O O c0 0 C eO O O 40 0 40 40 c0 O cc et C 40 O O 40 O 40 0 40 40 80 O E0 40 C to 80 40 40 40 40 40 EO 40 O ME 9 N N N N 'N NN N N NNN N N N N %. N %. N N N N N N N N N. N N N NNN N %. N N N 'N N %. N m tJ P =0 e.d P @ M & 4 M O Ps e's 'N N O e N 4== 0 4== C m M a= P 4 tJ O m== P m M P N sf e-N 4 em N @ e- @MP (t >- t O== N N O==== t J O

== ed ed O e== tJ O O e= tJ M O e= tJ N O e-a= N O O e= N N O== N t J O ** e= (J O

== NN M a( f N '% *% N N N 's %. N

• s N 's N *\\ *\\ N N N. N 'N

's 's 'N *N 's %. N N N N. N NN 'N N % N 'N '% NN N N N N 40 O O'% O P P P 's g i e-== o=== N e4 N f A M 444mmmm@ @ @ 4@ P P O O O O **== - e= N N tJ fJ E I COOOOOOOO OOOOOOOOOOOOOOOOOOO O O O O O O== ea==.- a= a=== = = *

• e-e-==

gQ $ e e e 6 e e e e e e e e e e e e e e e e e e e e e e e e e e e o e a e e e e e e e e e e e e N < e N4-O4-Om N m N e 4 N e @ M P @ M O r* @ - P 4 eJ e m - P @ M P P ,7 - e e m &@M e. I >et >= M 6 M O== N N O== e-tJ O== N (J O e-== f d O O== ed M O - N N O==== tJ O O== tJ tJ O== (J N O s= e= N O== ( J Q t '% '% '% '% 'N 'N N 'A e tv -== = *= e'N 4 'N4 4 4 m m'N m 'N 4 4 N N'N *%N N O e0 to O P P P P P O O O O====== e= tJ e'% 's N. 'N S. N N '% N 'N 'N N' 'N N N N 'N N N NN 'N N N N N 's N 'N '% 'N w go d tJ PJ rd m ~D @ @ J ta = t==OOOOOOOO 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====== *===== e= e=

= = = *

4Z ed u t 444444444444444444444444444 944444444494434444444 444 -) 4 I o c0 0 40 0 GO e0 C O O 40 O so 40 0 0 C C E0 40 C eO to to do O 40 80 to s0 80 40 C O O 10 C C to eQ to O 80 0 40 80 to eu o so O N % NNNNN N N N N N N N %. N *s N NNNNNNNN NN 'N NNN NNN NN NNNNNNNNN N N N uw I N 4 o= O 4== 0 m's NM C N 4 *= N m N P @ tJ P @ M P @ M O N 2 e= P4 nom-P@MPN4e= N 4 o= P= m *= 4MP M C= t I 0- >= e O== N N O==== (J O==== t J M O *= to t J O==== ( J O O *= tJ M C *= tJ to o== e-tJ O O== N tJ O== N e4 O==== rd O

• = fJ N N N '% 'N N

'N 'N 'N 'N 's '% N

• N N

N N N N N N N 'N %. N N N N N N N N. 'N 'N '. N 'N *% N 'N '% 'N

====== *= F J e'%4 N tJ M M M'N M M's N *s$ 4 4 4 m m% @ m'N [k 6 i et Q l @ @ @ 4@NNNN O en O to P P CD P P O O O O e=

=. e e= e

==*=e- ). I e e e e e e e e e e e e e e e e e e e e e e e o e e e i e o e e e e e e e e e o e e e e I e e e e e s Q >= N I e= N 4 e O 4 *= EO @ M O Ps 4 *= N 2 ed P @ ed P @ M P @ M O P* @== P 4 tJ O m e= P m M P N 4 *= Pm 4 o= O M P4M MM 4 M O e= tJ tJ O ** a= tJ O e=== tJ M O e-eded O==**ca O O e-tJ M O== N tJ o==== t d O O== tJ ed O== N N O==== tJ O-N 4% 8 N N *% '% N. 's N %. NN N %. 'N N *s 'N ' 's N %. N N N 'N *% N *N %. N N 'N N 'N N N

• % N N N N "A N *% *% '%

N N 'N tJedtJf4 M M M M M 4 4 4's 4mmmm@@ wp @ @ N P* N N 40 40 O O f* P P P P O O O O== *= - *= td N tJ I Qu t tJ======== 6 ** 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 O O O O O O O O O O **== e-o- e-== e-== e-e=== QM 0 44444.*4444444444444444 944444444944444 444f4 9444 4444 6 O O 40 O O O O e0 e0 O O 40 80 O O O c0 C C 40 C O O au to O eD e0 a[ 8040 O 4040 040 C O to 40 C to e do so 40 O co e0 su 1/'t w 6 N % NN NNN s NNNNNNNNNNNN. N N N N. NNNNN NNNN NN N N N NN N NNNNN N N N i N 4== O 4 a= c 2 M O N of a= P* m f 4 P @ tJ P @ M P 4 M O N m e= P 4 N O m a= Pm N 4 a= >= 4 - N m *= P @ MP w I.= >= p 9 O e= f J tJ O a=== ( J G==== tJ M O== N tJ Q *=== t J O O - ( J M O e = tJ t J O==== f d O O *= O== rd N O -== t J O O ** N N 'N %. N. N '% %. 'N N N N N N N %. N NN N %. N N N 'N N *% N N '% N %. 'N N 'N N N N *% N N N N N N N et I 'N '% N FJ N tJ M M M M M 4 4 4 4 m m'N 'N y2 0

==e- -== em@@@ @ @ N N N ** 40 en O eD P P P O O O O-e===== *===== tJ N t J N tJ e M 9 OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

= o

= e = * = = = = = = = *

• 6 e e e e e e e o e e o e e e e e e e e e a e e e e e o e e e e e e e e e e e e a e e e e e e e e e bQ N D ** N 4 ** @ 4 e= O @ M O P'* 4 *= P* @ tJ P 4 tJ P wD M P @ M C P% 2 e= P 4 N O m== P tJ P* 4== Ps 4 ** O @ *= P @ M Mw e-1 M O== tJ t J O==== (J O e= e= (J M O== (J FJ U o= ** td O O e= N M O e= f 4 N O e-e= NOO O O a=

N N O ** ** (J O O o-t J '% N *% *% 'N N N 'N *% 'N N N *s NN N

• • s

> = > = 0 '% N 'N 5 f 4 N tJ N M M M M M 4 4 4 's '. 'N 4 4 4 '45 N's NN %

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I I I I I I I I I VI. FIGURES I I I I I I I I I

I 1 SYNOPSIS OF ANALYTICAL PROCEDURES I The following section contains a description of the analytical laboratory 4 procedures along with an explanation of the analytical calculation methods used by Teledyne Isotopes for sample analysis, j Sample Preparation and Counting Procedures i iE Several types of liquid samples are separated by filtration prior to analysis. l g Resulting portions are identified as soluble and insoluble. Therefore, soluble as used in this report, is defined as that portion of a sample t"at i passes through a No. 50 Whatman filter paper. Insoluble is defined as that portion of a sample that is collected on No. 50 Whatman filter paper. i

I

.I I I l i 1'I lI 1 l l l L l lE I

Il DETERMINATION OF GROSS ALPHA AND/0R GROSS BETA ACTIVITY l 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 i filtered under vacuum through a 0.45 pm Millipore filter. The filter is g i E dried and mounted on a 2 inch stainless steel planchet to represent the suspended fraction of t'.e sample. The filtrate 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 Icw-background gas flow l proportional counter. Calculation of activity includes a self-absorption correction for counter efficiency based on the weight of residue on each

planchet, j

l + CALCULATION OF THE SAMPLE ACTIVITY OR OF THE MDL i l I( 6 o' m N+B N i It It l Net pCi on collection date At E = unit volume or wt. 2.22 (v) (y) (DF) (E) i 2.22 (v) (y) (DF) (E) g I net activity counting error i l' I

l j Alpha / Beta (Cont.) i i!I total counts from sample (counts) where: N = l counting time for sample (min) At = background rate of counter (cpm) B = i 2.22= dm P1 v(w)= volume or weight of sample analyzed l y chemical yield of the mount or sample counted = decay factor from the collection to the counting date l DF = !I E efficiency of the counter = multiples of counting error am = For gross alpha and gross beta calculations set y = 1 and DF = 1. ' I [N j If the net activity (it - Bj is equal to or is less than the counting l error, the activity on the collection date is below the limits of detection I and is called "less than" (L.T.) or " minimum detectable level" (MDL). I I I I

I I. ENVIRONMENTAL DOSIMETRY Il i By TI definition, a thermoluminescent dosimeter (TLD) is considered one end of a capillary tube containing calcium sulf ate (Im) powder as the thermo-luminescent material. This material was chosen for its characteristic high light output, minimal thermally induced signal loss (f ading), 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-g ethylene bag to demonstrate integrity at the time of measurement, and for a 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, i

l Data are normalized to standard machine conditions by correcting machine E; settings to designated values before readout. Data are also corrected for E 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 gl l error is then calculated. g l A Cs-137 source is used to expose TLDs as a reference sample. An. absorbed j dose in tissue is determined using the 0.955 rad / Roentgen conversion factor and i dose equivalent (mrem) t,y using a quality f actor of 1. i 1 Calculation of results and two sigma error: l Gross TLD (1) = [TLD (i)-00(i)] x CF(i) x CF(ins) x 0.955 mrad /mRoentgen ITD - Net (site 0) - [ NET (RMC 0) (D(sta) / D(RMC 0))] i i l l NET TLD(i) - gross TLD(i) - ITD n AVG = [(sigma NET TLD) / n] [D(STD) / D(EX)] 1=1 ERROR (95% CL) = t(n-1) [ sigma NET TLD (i) //R] [D(STD) / D(EX)] I I I I, I'

l I TLD (Cont.) i I !I lI t Where Gross TLD(1) individual TLD reading correctd to standard = instrument conditions TLD(i) Gross reading of dosimeter i = NET TLD(i) Net dose obtained during exposure period in = the field i I Correction f actor of reader = (6.158) (ELS-1.0129) CF(ins) = ELS External light source l = D0(i) Zero for dosimete-1 = l CF(i) Calibration factor for dosimeter i = in-Transit dose j ITD = NET (site)0 Mean of n dosimeters in site lead shield = l NET (RMC)0 Mean of n dosimeters in RMC lead shield = D(sta) Exposure period of station (SZRO) l = 0(RMC)0 Exposure period of RPC 0 = AVG Mean exposure per standard exposure period at = 'I ~ a given station Number of readings n = 0(EX) Days exposed = 0(STD) Days in standard exposure perico = I t(n-1) T-distribution (student) factor for 95% CL = sigma NET TLD (1) Standard deviation of n readings of NET TLD (i) = ERROR The 95% confidence limit error of AVG = 1 I .I 4lI I f lI

DETERMINATION OF GAMMA EMITTING RADI0 ISOTOPES l TELEDYNE ISOTOPES I Gamma emitting radioisotopes are determined with the use of a lithium-l drifted germanium (Ge(Li)) and high purity germanium detectors with high resolution spectrometry in specific media, for example, air particulate filters, charcoal filters, milk, water, vegetation, soil / sediments, biological i l media, etc. Each sainple to be assayed is prepared and counted in standard i geometries such as one liter wrap-around Marinelli containers, 300 mi or l 150 mf bottles, or two-inch filter paper source geometries. I Samples are counted on large (>55 cc volume) Ge(Li) detectors connected I 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 l 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. I I l [ I I' I I

DETERMINATION OF I-131 IN MILK AND WATER SAMPLES I BY RAD 10 CHEMISTRY AND LIQUID PHASE BY ANALYSIS TELEDYNE ISOTOPES This describes the radiochemical methods for determining 1-131 activity in 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 iodide from the sample. The iodine is then stripped from the resin with i sodium hypochlorite solution, is reduced with hydroxylamine hydrochloride and l is extracted into carbon tetrachloride as free iodine, it is then back-extracted 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 pl aliquot is taken for determining chemical yield by I 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 l I I

l I-131(Cont.) CALCULATION OF THE SAMPLE ACTIVITY OR OF THE MDL i The Sample Activity and the 2-sigma Counting Error are Calculated as l Follows: N -S 2 N +6 l At At l Net pCi on collection date = 1 At l liter 2.22(v)(y)(DF)([} 2.22 (v)(y)(DF)(E ) I net activity counting error j l l where: N = total counts f rom sample (counts) At = counting time for sample (min) B = background rate of counter (cpm) 2.22 = dpm W 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 1-131 standard, i l Consequently, the branching intensity (abundance) of the 1-131 gamma does not appear in the above equation. i 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 g activity on the collection date is below the limits of detection g, and is called "less than" (L.T.) or " minimum detectable level" l (MDL). I,[ The L.T. value can be specified by stating only the counting error at a predetermined multiple (rm) of the one sigma sta. tistics. A sigma multiple (7m) of 4.66 is used for calculation of r the L.T. values unless another multiple such as 2.83 is specified, h thus L.T. = (t.a(v)(y)(Ut)(E)

DETERMINATION OF RADIOSTRONTIUM IN MILK SAMPLES I TELEDYnt 'SOTOPEi I Stable strontium carrier is added to 1 liter of sample and trichloracetic a(.id (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 f urnace. The ash is leached in hydro-chloric acid. Calciurr 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. I 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 inf er Sr-90 activity. Sr-89 activity is determined by precipitating SrCO3 from the sample af ter 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 I [4 0-0 N,., + QC + DA at C A ? At Net pCi a i At 2.22(v)(y )(DF p.gg)(ESR-89) 2.22(V)(Y M $p.gg)(6SR-69) liter g I kOTibbkiNobate) net activity cou0tisShma error I I

1 l I i Strontium (Cont.) I I total counts from sample (counts) where: N = counting time for sample (min) At = l BC background rate of counter (cpm) using absorber = configuration 2.22 dpm i = pL1 a i voline of sample analyzed, liters v = background addition f rom Sr-90 and ingrowth of Y-90, cpm l BA = 1 ys checmical yield of strontium = j DF decay factor from the mid collection date to the counting us = $r-89 date for Sr-89 6 Sr-89 Ef ficiency of the counter Sr-89 with the 80 mg/cm.sq. = altninum absorber I m or 2 = multiples of counting error l CALCULATION OF THE SAMPLE ACTIVITY OR OF THE MDL FOR Sr-90 i N 0 2 N +0 l Net pCi on Collection date It It j I4t = 1 i (unit vol, or wt.) 2.22(v)(yl)(y2)(DF)(!f)(F) 2.22 (v)(yl)(yp)(DF)(E)(if ) 1 l 1 net.1ctiVily Countifig ert'Or l I 1

i i

I I

j Strontium (Cont.) l l I total counts from sample (counts) where: N = counting time for sample (min) At = background rate of counter (cpm) S = l 2.22= dpm i W E 1 volume or weight of sample analyzed . W v = i y1 chemical yield of the mount or sample counted = l l y2 chemical yield of strontium = i DF decay f actor of yttrium from t;ie milking time to the mid = I count time i efficiency of the counter = multiples of counting error 1 2 or em = 1 IF ingrowth factre for Y-90 from scavenge time to milking time = I 1 l l i l I 1 i l I I I I r l

i I j DETERMINATION OF TRITIUM BY GAS COUNTING TELEDYNE ISOTOPES A 2 mi aliquot is changed into hydrogen gas and collected in an activated charcoal trap. The hydrogen is then transferred into a previously evacuated g j one liter proportional counter. Non tritiated hydrogen and ultra-high purity g methane is added and then counted. Backgrounds and standards are counted in the same gas mixture as the samples. I Calculation of the sample activity or the MDL: l l 3.234x(TU)n x Vy (CPM)g - B).G i Jm!JG2 + CB CPM x V, l l Net pCi = g unit vol. I i i i i whcre:(TU)n the tritium units of the standard = i i VN volume of the standard used to calibrate the ef f iciency = Il of the detector - in psia volice of the s rple loaded into the detector - in psia V = 5 (CPM)i,= the cpm activity of the standird of volume Vn (CFM)g = the gross activity of the sample of volume Vs and the i detector background UVG the background of the detector in cpm = t 3.234 conversion factor changing TV to pC/l l = counting time for the sample l At = m ltiple of the counting error f am = standard deviation of the grc'.s activity of the 6G = Sample and the detector background, in cpm standard deviation of the background, in cpm Ill dB = I' I

Tritium (cont.) If the net activity (CPM) - BKG is equal to or is less than twice the countingerror,theactivYtyonthecollectiondateisbelo,thelimitsof detection and is called "less than" (L.T.) or " minimum detectable level" (MDL). / 2 2 thus L.T. = 2 x 3.234 x (TV)s x VNhT U G + S (CPM)N x V5 standard deviation of the gross activity of the where: G = sample and the detector background, in cpm S standard deviation of the background, in cpm = I I I I I I I

'I I I I I I I I VII. SYNOPSIS OF Af4ALYTICAL PROCEDURES I I I I I I I I I

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PAGE CESIUM-137 CONCENikATIONS IN 50!L COLIECTED

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1 1 INTER-LABORATORY COMPARISON PROGRAM I l i l Teledyne Isotopes participates in the EPA radiological interlabw-j atory comparison (crcss check) program. This participation include a number i of analyses on various sample media as found in the Peach Bottom Atomic Power Station REMP. As a result of this participation, an objective measurement of -l 3 5 analytical precision and accuracy, as well as, a bias estimation of the j results are obtained. Of the 92 analyses performed at TI, 86 f ell within the i EPA mean and standard deviation. Refrences E, F, and G discuss any discrep-ag ancies between the data. Table E-1 summarizes the results of the 1984 s amples. i l 1 I l I i i l lI 4 l l 1 \\ l II

I l TABLE 1 l i INTER-LABORATORY COMPARISONS, 1984 i ( ) TELEDYN! ISOTOPES ] i ]* Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean 2 2 s.d. Co'lection Teledyne All Participants f 01/06 Water Sr-89 36. t 8.7 29.3 t 8.7 36. t 9. Sr-90 ?4 t 2.6 23. t 3. 23. t 3. 01/20 Water Gross Alpha 10. t 8.7 8. t 3. 10. t 3. I Gross Beta 12. t 8.7 12. t 3. 13. t 3. l I 01/27 Food Sr-89 34 t 8.7 33.3 1 1.7 31. t 5. [ Sr-90 20. t 8.7 21.7 1 1.7 21. t 3. I-131 20. t 10.4 16.3 t 1.7 20. t 4 Cs-137 20. t 8.7 24.1 1 0.6 21. 2 3. I K 2720. 1235. 2503. 1555. 2665. 1246. I i 02/03 Water Cr-51 40. t 8.7 L.T. 80. 40. i e. I Co-60 10. t 8.7 15. t 7.9 11. t 2. [ Zn-65 50. t 8.7 53.3 1 16.5 50. t 8. 1 Ru-106 61. t 8.7 SS.7 2 33. 55. 9. ? Cs-134 31. t 8.7 33.3 2 3. 29. 3. I Cs-137 16. t 8.7 19.3 2 1.7 16. 2 3. I l 02/10 Water H-3 2383. 1607. 2270. 1786. 236b. 1247. l t l r 03/02 Milk I-131 6. t 1.6 5.7 t 1.7 6. 1. ) 03/16 Water Gross Alpha 5. t 8.7 5. i 1.3 6. t 2. I Gross Beta 20. t 8.7 20. t 3. 20. 2 3. l i' 03/23 Air Filter Gross Alpha 15. t 8.7 19. t 1.7 16. t 3. Gross Beta 51. t 8.7 45. t 3.0 56. t 6. Sr-90 21. t 2.6 20. t 6.0 19. t 2. Cs-137 10. t 8.7 11. t 3.5 12. t 3. i l I 04/06 Water I-131 6. i 1.5 5.5 t 0.4 6. t 2. ( i I 04/13 Water H-3(E) 3508. 2728. 2660. 1342. 3461. 2288. i

M M M M M M M M I l TABLE I (Cont.) 1 j INTER-LABORATORY COMPARISONS, 1984 l i i TELEDYNE ISOTOPES I l I i I 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. t 4.6 28. t 7. (Sample A) 04/20 Water Gross Beta 147. t 12.7 117. t 17.3 (D) (Sample B) Sr-89 23. 2 8.7 18. t 7.5 24 t 7. l Sr-90 26. t 2.6 22. t 3.5 25. t 4 l Co-60 30 t 8.7 29. t 6.2 30. t 4. Cs-134 30 t 8.7 29. t 4.6 29. t 4 Cs-137 26. t 8.7 29. t 6.0 26. t 3. l l 1 i 05/04 Water Sr-89 25. t 8.7 23. t 5. 24 t 4 I i j Sr-90 5. t 2.6 5.0 1 0.5 5. t 1. l 1 1 05/18 Water Gross Alpha 3. 8.7 2.7 1 0.8 3. 2 1. l Gross Beta 6. t 8.7 6.9 2 4.0 7. t 2. i l l 06/01 Water Cr-51 66. i 8.7 L.T. 90. 64. t 13. I i Co-60 31. t 8.7 33. t 3.5 31. t 4 'l Zn-65 63. 8.7 68. t 15. 63. t 9. i j Ru-106 29. t 8.7 L.T. 50. 30. t 11. i l Cs-134 47. t 8.7 46, t 5. 44. t 6. Cs-137 37. t 8.7 39. t 1.7 37. t 4 I l 06/08 Water H-3 3051. 1622. 3210. 1834 3039. 1235. 1 i l 06/22 Milk Sr-89 25. t 8.7 22. t 1.7 21. t 5. l Sr-90 17. t 2.6 17. t 4.6 15. 2 2. i 1-131 43. i 10.4 40. t 9.6 43. 4 j Cs-137 35. t 8.7 37. t 3. 36. t 3. i K (F) 1496. 1130. 1653. t 46. 1560. t 97. j 07/20 Water Gross Alpha 6. t 8.7 3.8 1 2.4 (D) Gross Beta 13. t 8.7 11.3 3.5 ID) l i li

I TABLE 1 (Cont.) i INTER-LABORATORY COMPARISONS, 1984 l t TELEDYNE ISOTUPES l Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i2 s.d. l 07/27 Food Sr-89 25.0 t 8.7 17. t 9. (D) ~l (C) Sr-90 20.0 t 2.6 20. t 9. (D) l I-131 (G) 39.0 t 10.4 19. t 3.5 (D) i Cs-137 25.0 8.7 26. i 11. (D) K (F) 2605.0 1226.0 3027 11183. (D) I l l 08/03 Water 1-131 34.0 t 10.4 31. t 3.0 36. t 5. I I 08/10 Water H-3 2817.

1617, 2930.

t 127. 2842. 1251. l 08/24 Air Filter Gross Alpha 17. t 8.7 16. t 1.7 17. t 3. Gross Beta 51. t 8.7 47 t 3. 52, i b. j Sr-90 18. t 2.4 18. i 1.7 17. t 2. 4 Cs-137 15. t 8.7 17. t 4.6 17. t 4. i i 09/07 Water Sr-89 34 t 8.7 29. t 4.5 30. t 8. Sr-90 19. t 2.6 19. i 1.0 18. t 3. l 09/21 Water Gross Alpha 5.0 t 8.7 6. t 0.0 5. 1 2. i Gross Beta 16.0 2 8.7 14 t 3. 15. t 3. i l t 1 i 10/05 Water Cr-51 40. t 8.7 L.T. 107. 38. i S. 1 Co-60 20. t 8.7 23. t 10.4 20. t 3. t i Zn-65 147. t 8.7 155. i 17.6 149. t 12. Ru-106 47 t 8.7 L.T. 53. 45. t 9. Cs-134 31. t 8.7 34 t 12. 29. t 3. Cs-137 24 t 8.7 28. t 10, 25. 3. 10/12 Water H-3 2810.

1356, 2720.

t 531. 2814 2213. 10/22 Water Gross Alpha 14. t 8.7 11. i 1.7 13. t 4 (Sample A) Water Gross Beta 64 t 8.7 65. t 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. t 3. 13. t 3. Co-60 14 t 8.7 19. t 3.5 16. t 2. Cs-134 2. t 8.7 L.T. 5. 3. t 2. j Cs-137 14. t 8.7 17. t 7.5 16. t 2. M M M M M M M M M i

l M M M M M M M M M M M i TABLE 1 (Cont.) { INTER-LABORATORY COMPARISONS, 1984 TELEDYNE ISOTOPES l Collection Teledyne All Participants Date Media Nuclide EPA-Results(A) Isotopes Results(B) Mean i 2 s.d. l 10/26 Milk Sr-89 22. t 8.7 15. t 1.7 19. t 4. Sr-90 16. t 2.6 14. t 3. 15. t 2. I-131 42. i 10.4 34. t 9.6 40. t 5. I Cs-137 32, t 8.7 32. i 12. 32. t 3. 1 .K (F) 1517. 1131. 1370. t 52.7 1498. 1143. I 11/16 Water Gross Alpha 7.0 t 8.7 7.3 1 1.7 7. t 2. i Gros Beta 20.0 8.7 21.7 1 1.7 21. t 3. i I 11/?3 Air Filter Gro Alpha 15. t 8.7 15. i 1.7 (D) Grot; Beta 52. t 8.7 54 t 3.5 (D) i Sr-90 21. t 2.6 23. t 3. (D) Cs-137 10. i 8.7 9. t 4.6 (D) 12/07 Water I-131 36. t 10.4 36. t 6.9 36. i l 12/14 Water H-3 3182. 1624. 3523. 1868. 3206. 1236. Notes l (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, 5 l (B) Teledyne Results - Average i three sigma. Units are pCi/l 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 rele3 sed 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 A. (G) There was a high decay factor due to a delay in receipt of sample after collection. Since results are generally accurate for I-131, no further action was planned. -}}