ML19270G633

Radiological Regional Environ Monitoring Program, 1978 Rept 14,prepared by Radiation Mgt Corp

ML19270G633
Person / Time
Site:	Peach Bottom
Issue date:	05/31/1979
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
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I PEACH BOTTOM ATOMIC POWER STATION I

I Radiological Regional Environmental I Monitoring Program Report =14 January 1,1978 Through December 31,1978 I -

Prepared For Philadelphia Electric Company By RADIATION MANAGEMENT CORPORATION University City Science Center I 3508 Market Street Ph !adelphia, Pa 19104 i

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PEACH BOTTOM ATOMIC POWER STATION I

I Radiological Regional Environmental Monitoring Program Report # 14 January 1,1978 Through December 31, 1978 I

I Prepared For Philadelphia Electric Company By RADIATION MANAGEMENT CORPORATION I University City Science Center 3508 Market Street I Philadelphia, Pa. 19104 I

May 1979

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I TABLE OF CONTENTS PAGE I I. INTRODUCTION l A. Program Objectives 1 B. Program Implementation 2 I II. RMC PROGRAM DESCRIPTION l A. Sample Collection & TLD Placement Procedures 3 B. Program Changes 5 C. Analyses Performed 6 I D. Exceptions to the Program 6 l III. RESULTS AND DISCUSSION A. Data Interpretation & Statistical l Analysis 7 B. Discussion of Results 8 1 1. Surface Water 8 l 2. Discharge Water 9

3. Well Water 10 I 4. Precipitation 11 l 5. Air Particulates 11

6. Milk 12

7. Fish 13 l 8. Vegetation 14

9. Soil 14

10. Ambient Gamma Radiation 15 l IV.

SUMMARY

AND CONCLUSIONS 17 V. TABLES}O 1, C 7 VI. FIGURES I I i i

LIST OF TABLES TABLES I. RMC Station Designation and Sample Identification System II. RMC Sample Collection and Analysis Program III. Sumary of Analysis Performed on Samples Collected During 1978 IV. Summary of Radioactivity Concentrations V. Sumary of Gamma Spectrometry VI. Sumary of Ambient Dosinetry Program VII. Analytical Data for Surface Water Grab Samples VIII. Analytical Data for Surface Water Composite Samples IX. 1978 Annual Mean Radioactivity in Surface Water X. Concentrations of Gama Emitters in Surface Water XI. Analytical Data for Discharge Water Grab Samples XII. Analytical Data for Discharge Water Composite Samples XIII. 1978 Annual Mean Radioactivity Concentration in Discharge Water XIV. Concentrations of Gama Emitters in Discharge Water XV. Analytical Data for Well Water Samples XVI. 1978 Mean Concentration of Aqueous Tritium in Well Water by Quarter XVII, 1978 Annual Mean Radioactivity Concentration in Well Water XVIII. Analytical Data for Precipitation Samples l XIX. 1978 Annual Mean Radioactivity Concentration in Precipitation XX. Concentrations of Gamma Enitters in Precipitation XXI. Analytical Data for Air Particulate Samples l XXII. Concentrations of Gama Emitters in Air Particulates XXIII. Analytical Data for Milk Samples I XXIV. 1978 Mean Concentration of Aqueous Tritium in Milk by Guarter l iss I 2 m.: ii I

I LIST OF TABLES (CONT.) TA7LE XXV. 1978 Mean Concentration of Iodine-131 in Milk by Week XXVI. 1978 Annual Mean Radioactivity Concentration in Milk XXVII. Concentrations of Gamma Emitters in Milk XXVIII. Analytical Data for Fish Samples XXIX. 1978 Mean Concentration of Aqueous Tritium i. Fish by Quarter XXX. 1978 Annual Mean Concentration of Aqueous Tritium in Fish XXI. Analytical Data for Vegetation Samples XXXII. 1978 Annual Mean Concentration of Aqueous Tritium in Vegetation XXXIII. A Comparison of Tritium Concentration in Various Media XXXIV. Analytical Data for Soil Samples XXXV. 1978 Mean Radioactivity Concentration in Soil XXXVI. Concentrations of Gamma Emitters in Soil XXXVII. Monthly TLD Results XXXVIII. Quarterly TLD Results XXXIX. Mean Monthly, Quarterly, and Semi-Annual TLD Results for the Site Boundary, Middle, and Outer Rings XL. Gamma Spectrometry of All Media - Typical Minimum Detectable Levels of Nuclides Searched for but not Found. 2 )) l09 I I I I I I iii I

I LIST OF FIGURES FIGURE 1 Environmental Samnling Stations on or near Peach Bottom Site 2 Enviro.nmental Sampling Stations at Intermediate Distances From Peach Bottom Site 3 TLD Stations on Peach Bottom Site 4 TLD Stations at Intermediate Distances from Peach Bottom Site 5 TLD Stations at Remote Distances from Peach Bottom Site 6 A Conparison of Aqueous Tritium Concentrations in Surface Water at Conowing, and Holtwood Dams (Total Sample-Composite) 7 A Comparison of Aqueous Tritium Concentrations in Surface Water at Conowingo and Holtwood Dans (Total Sample-Composite) 8 A Comparison of Gross Beta Concentrations in Surface Water at Conowingo and Holtwood Dams (Soluble Fraction-Grab) 9 A Comparison of Gross Beta Concentrations in Surface Water at Conowingo and Holtwood Dans (Insoluble Fraction-Grab) 10 A Comparison of Aqueous Tritium Concentrations in Water at Peach Botton Units #2 and #3 Intake and Discharge (Total Sample-Composite) 11 A Comparison of Gross Beta Concentrations in Water at Peach Bottom Units #2 and #3 Intake and Discharge (Soluble Fraction-Composite) 12 A Comparison of Gross Beta Cancentrations in Water at Peach Bottom Units #2 cnd #3 Intake and Discharge (Insoluble Fraction-Composite) 13 A Comparison of Average Aqueous Tritium Concentrations in Well Water at On-Site Wells, Site Area Wells, and Distant Wells (Total hmple-Grab) 14 A Comparison of Average Aqueous Tritium Concentrations in Milk at Near, 1 termediate and Distant Farms 15 A Comnarison of Average Iodine-131 Concentrations in Milk at Near, Intermediate and Distant Farms (Total Sample) 16 A Comparison of Average Aqueous Tritium Concentrations in White Crappie Fish at Conowingo and Holtwood Ponds 17 A Comparison of Average Aqueous Tritium Concentrations in Channel Catfish at Conowingo and Holtwood Ponds 2??1 190 I iv

I LIST OF FIGURES (C0llT.) FIGURE 18 A Comparison of Tritium Concentrations in Various Media 19 A Comparison of Average Strontium-90 Concentrations in The Top One Inch at On-Site Soil Locations and Distant Soil Locations 20 A Comparison of Average Strontium-90 Concentrations in the Bottom Cut at On-Site Soil Locations and Distant Soil Locations 1 21 A Comparison of Average Cesium-137 Concentrations in the Top One Inch at On-Site Soil Locations and Distant Soil Locations i 22 A Comparison of Average Cesium-137 Concentrations in the Bottom Cut at On-Site Soil Locations and Distant Soil Locations i 23 A Comparison of Average Monthly TLD Results at the Site Boundary, Middle, and Outer Rings 24 A Comparison of Average Quarterly TLD Results at the Site Boundary, Middle, and Outer Rings , 229 191 1 I I I I I I l 8 V I

I I I I I I I I I I l I. If1TRODUCTIOil 1 3 l 208R3R[G((NML y 2m M2 I i i I I I I

I I. INTRODUCTION Radiation Management Corporation (RMC) began conducting a radiological I en5lronmental monitoring program in September 1970 for the Philadelphia Electric Company in connection with the Peach Bottom Atomic Power Station (PBAPS) located in Peach Bottom Township, York County, Pennsylvania. I This RMC program supplements an existing program being conducted by others which has been carried out since March 1960. PBAPS is located along the Susquehanna River, between Holtwood and Conowingo Dams which I are about 14 miles apart. The pond created by Conowingo Dam is called Conowingo Pond. The initial loading of fuel into Peach Bottom Unit #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 I Peach Bottom Unit #1 was on October 31, 1974. Peach Bottom Unit #2 and #3 are boiling water reactors each with a power output of 1050 MWe (Net). The first fuel was loaded into Unit #2 on August 9,1973, and I criticality was first achieved on September 16, 1973. The fuel was loaded into Unit #3 on July 5,1974 and criticality was first achieved on August 7, 1974. Peach Bottom Unit #2 first reached full power on I June 16, 1974. Peach Bottom Unit #3 first reached full power on December 21, 1974. Results of the RMC portion of the overall regional radiological environmental monitoring program have been reported in semi-annual and annual reports. Semi-annual reports were discontinued after 1975. This I report contains data from samples representing the period January 1,1978, through December 31, 1978. A special preoperational report forl Peach Bottom Units #2 and #3 has been issued previously which summarizes results of all analyses performed by RMC on samples collected from the start of the RMC portion of the I overall program through August 8,1973, the day before fuel was first loaded into Peach Bottom Unit #2. A. PROGRAM OBJECTIVES

1. Identify, measure, and evaluate existing radionuclides I in the environs of the Peach Bottom site and any fluctuations in radioactivity levels which may occur.

2. Monitor and evaluate ambient radiation levels.

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.

4. Supplement other existing radiological environmental monitoring programs at Peach Bottom Atomic Power Station.

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I B. PROGRAM IMPLEMENTATION In order to achieve these objectives, Radiation Management g Corporation performed the following analyses on samples g collected during the period of this report.

1. Measured and evaluated concentrations of aqueous tritium in surface water, discharge water, well water, precipi tation, milk, fish, and vegetation.

2. Measured and evaluated concentrations of alpha emitters in surface water and soil.

3. Measured and evaluated concentrations of beta emitters in surface water, discharge water, well water, precipitation and 3 air particulates. 5

4. Identified, measured and evaluated gamma emitting radionuclides 3 in surface water, discharge water, milk, precipitation, well 3 water, air particulates and soil.

5. Measured and evaluated concentrations of I-131 in milk.

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6. Measured and evaluated concentrations of Sr-89 and Sr-90 in soil and milk.

7. Measured ambient radiation levels in the environment and evaluated the variations with time and location with l

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I I I I I I I I I I l II. RMC PROGRAM DESCRIPTI0il I I 2o-2o

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I II. RMC PROGRAM DESCRIPTION A. SAMPLE COLLECTION AND TLD PLACEMENT PROCEDURES The program being conducted by RMC is described in tables I and II and figures 1-5,

1. Sample Collection

a. Water (except precipitation)

All samples were collected by consultants to the Philadelphia I Electric Company. All samples were collected in new polyethylene bottles. All persons involved in sample collection and handling were advised not to wear tritium luminous dial watches in order I to avoid possible cross contamination from that source. Sample containers were rinsed at least twice with the water to be sampled before collection. All water samples were grab samples except those collected at stations 1LL, IMM, 6I and 4L. Weekly samples were taken I from a tank which continually collects a sample at these four locations. These were composited into a monthly sample for analysis. Collection methods are described in more detail I in table II, Section V.

b. Precipi tation Precipitation was collected in an apparatus consisting of a new polyethylene bottle with a plastic funnel 8 inches in I diameter. The bottle was replaced monthly and the sample bottle was shipped to RMC for analysis. The amount of precipitation was recorded continuously by a separate rain gauge at station 1A.

c. Air Particulates Air particulate filters, approximately 2" in diameter, were obtained using a Gast Model IV BF-10-M100X vacuum sampler.

I The filter was replaced weekly and sent to RMC for analysis. The vacuum sampler was run contiunously at approximately 1 cubic foot per minute.

d. Milk Milk samples were collected in new polyethylene bottles from the bulk tank at each farm and shipped imediately. No preservative was added,

e. Fish Fish samples were collected by the Ecological Division of Radiation Management, sealed in plastic bags imediately after collection, frozen, and shipped to RMC. No preser-I vative was added, g 2:39 196 i

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f. Vegetation Samples of vegetation were collected, sealed in plastic g bags, u d shipped to RMC. 110 preservative was added. 3 9 5011 Soil samples consisting of seven cores, 2" in diameter and 6" deep were collected from a 50 X 50 ft. area at 3 each sampling location. Top soil (upper 1 inch) and botton 3 soil (lower 5 inches) were separated, then sealed in separate plastic bags, and shipped to RMC.

2. TLD Placement A system using thermoluminescent dosimeters (TLDs) was used to measure the direct radiation levelt in the PBAPS environment. The TLD stations were placed on and around 3 the Peach Bottom site using the "three ring concept". 5 Three on-site stations were not included in any of the three rings and were called plant-complex stations,

a. A site boundary ring near the site perimeter, representing fencepost doses, i.e., at locations where the doses are g greater than maximum off-site doses from plant releases; 3

b. A middle ring extending to approximately 10 miles from the g site, designed to measure possible exposures tu close-in E 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) Areas where estimated annual dose from tne station, if any, would be more significant, calculated from site meteorological data taking into account distance and elevation for each of the 36 ten-degree sectors around the site; (3) On hillc and (where practical) within sight of the stack, and free from local obstructions; (4) Near the closest house to the stack in the prevailing downwind direction.

e. Each TLD set (4 TLDs per set) was placed in a sealed polyethylene nackage to verify the integrity of the dosimeters when collectea. Two packages were kept in a locked formica g

   " birdhouse" or polyethylene jar, about six feet above the     3 ground or supporting surface at each location. At each station one package was exchanged for measurement on a monthly 4

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I schedule, and one on a quarterly schedule. B. PROGRAM CHANGES 1978 Changes - There were several modifications to the 1978 sanpling and analysis program compared to previous years. These changes were made I after a thorough review of the program in late 1977. Detailed reasons for making these changes are given in the 1977 annual report.

1. Sampling

a. Fish - Sampling at stations P.5A, B, C, D, E (Pequea Creek), and 30A, B, C, I D (Peters Creek) was discontinued.

b. Plankton - Sannling at station 4G was discontinued.

c. Surface Water - Sanpling at station IP (Unit #1 intake) was discontinued and a composite samp!er at station ILL (Units #2 & 3 intake) was installed.

d. Discharge Water - Samnling at station 1R (Unit #1 discharge grah) was dis-continued, and a composite sampier at station 1MM (PRAPS canal discharge)

I was installed.

e. Well Water - Sampling at station 8 was discontinued.

f. Anhient Radiation - Semi-annual TLDs were discontinued.

l 2. Analyses

a. Gama Snectrometry - Analysis of surface water and discharge water samples was cht.nged to total, rather than only soluble fraction and this analysis was discontinued on well water samples.

b. Potassiun This analysis was discontinued on all water samples,

c. Organic Tritium - This analysis was discontinued on samples of milk, fish, and vegetation.

d. Aqueous Tritium - This analysis was started on well water station 7 to re-nlace station 8 I 1979 Changes - Effective with samples collected in 1979, the following changes have been nade. All of the changes are in accordance with current I NRC guidelines for monitoring nrograns. None of these changes involve the PBAPS technical specification progran.

3. Sampling

a. Discharge Water - Sampling at station IT (Peach Botton Discharge Canal) was I discontinued after the Decenher 1978 sanple because the new composite sampler at station IMM is a better indicator of PRAPS discharge water.

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b. Well Water - The frequency of sampling at stations 10 and IV (Peach Bottom Site) was changed from monthly to quarterly beginning in January 1979 be-cause there has been no detectable short term variation on radioactivity levels from PBAPS operation.

4. Analyses

a. Tritium - Analysis of precipitation, fish and vegetation was discontinued beginning in 1979 because there has been no detectable effect on tritium g activity in precipitation, fish or vegetation as a result of PBAPS opera- g tion. Also analysis of milk was reduced from eleven to four farms quarterly, beginning in 1979.

b. Gross Alpha - This analysis is not part of the PBAPS ETS and has been dis-continued at the end of 1978 on soil samples. Alpha activity has not g changed since the pre-operational period and can all be attributed to 5 naturally occurring Ra and Th.

C. ANALYSES PERFORMED The schedule of analyses performed by RMC is listed by sample type in table g II. This schedule was followed except where noted below. Table III lists 3 the type and number of analyses performed during this period by sample type and station location. Methods used in performing these analyses can be a found in Appendix A of PBAPS Radiological Environmental Monitoring Program l Report *12, January 1,1976 - December 31, 1976. D. EXCEPTIONS TO THE PROGRAM

1. Surface water samples were not taken from station 6I from 1/22-3/11, 6/3-6/10, 6/17-6/24 and 7/15-7/29 due to pump nalfunctions.

2. Surface water samples were not taken from station 4L from 6/3-8/24 due to a pump malfunction.

3. During the first quarter fish samples were not collected from stations 1EE, a 1X and 41. In addition, White crappie was unavailable from station 6H. 5 During the second quarter, no samples were collected from station IX and white crappie was not available at stations 1EE and 6H. During the third a quarter, white crappie was not available at stations 1EE and 1X. During l the fourth quarter white crappie was not available at stations IEE,1X 4I and 6H.

4. TLDs were stolen from station 19 in February,1st quarter, July and 2nd quarter; from station 22 in May, September, and third quarter; and from a stations 1C and II in August and the third quarter. January TLDs at l station IJ were buried in snow. TLDs were removed from station 21B in May, June, and the second quarter because the station was temporarily out of service.

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I I I I I I I I I I l III. RESULTS AND DISCUSSION I I E][2H21351 g 3m FJ'd I I I I I I I I

I III. RESULTS AND DISCUSSION A. DATA INTERPRETATIO!1 AliD STATISTICAL ANALYSIS I Several factors are important in the interpretation of the data. In order to avoid undue repetition in the discussion which follows, these I factors are described below.

1. Grab Sampling Grab sampling is a useful and acceptable procedure for taking envi-ronmental samples of a medium in which the concentration of radio-I nuclides is expected to vary slowly with time or where intermittent sampling is deemed sufficient to establish the radiological character-istics of the medium. This method, however, is only representative I of the sampled medium for that specific location and instant of time.

As a result, variation in the radionuclide concentrations of the samples will normally occur. Since these variations will tend to counterbalance I one another, the extraction of averages based upon repetitive grab samples is valid. l E. Minimum Detectable Levels (MDL) It is characteristic of environmental monitoring data that many results I 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 I half the detection level value, or as full detection level value. reporting and calculation of averages, any result occurring at or below For the minimum detectable level is considered to be at that level. Averages I obtained using this method are therefore biased high.

3. Standard Deviation of Analytical Results Within the data tables an approximate 95% (2 sigma) confidence interval is supplied for those data points at and above the minimum detectable I level. These intervals represent the range of values into which 95%

of repeated counts of the sample would fall. l 4. Table Peans and Standard Deviations Results for each type of sample were grouped according to the analysis i performed. Means and standard deviations of these results were calcu-lated. These standard deviations represent the variability of measured results for different samples rather than single analysis uncertainty. I For these calculations, 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. g n: x I 7 I

I B. DISCUSSION OF RESULTS l Results are sumarized in brief form in tables IV, V and a VI (Section V). Tables of results for individual sample l types and analyses performed can be found in Section V, tables VII to XLI. Graphical presentations of results can be found in Section VI.

1. Surface Water Samples were taken from eight stations on a monthly schedule.

Three stations (ILL, 6I and 4L) were continuous composite a samples and five (lQ, 4F, 4G and 13A) were grab samples. l Station 13B was collected once in May as a grab sample. Of these eight stations, six could be affected by releases a from Peach Bottom Atomic Power Station. The remaining g stations (6A and 61) were above Holtwood Dam and, therefore, could not be affected by plant discharges. (Refer to figure 1 and 2, Section VI, for station locations).

a. Tri tium Total samples from seven stations were analyzed for concentrations of aqueous tritium. Samples from stations ILL, a 10, 4L, and 6I were analyzed on a monthly basis, while l samples from stations 4F, 6A and 13A were composited monthly into a quarterly sample. Results of this analysis of surface a water samples can be found in tables VII - IX, section V. l The concentrations detected were well within the range found during the Peach Bottom Units #2 and #3 preoperational a period (1). Graphical comparisons of the unaffected stations g (6A and 6I) above Holtwood Dam with potentially affected stations (4F and 4L) at Conowingo Dam showed no difference a in concentrations, indicating no detectable addition of g tritium to Conowingo Pond from the operation of PBAPS (fig 6-7).

b. Gross Alpha Samples from four stations (4F, 4L, 6I and 6A) were analyzed for gross alpha concentrations in the soluble and insoluble l fractions. Results of gross alpha analysis in surface water samples can be found in tables VII-IX, section V. Results at all locations were generally at or below the minimum l detectable level in the soluble fraction. With a few exceptions, results of the insoluble fraction were below the MDL. Positive values observed at station 4F can be l

attributed to the presence of sediment, a reservoir of fallout and natural alpha emitters. l

c. Gross Beta Samples from all eight stations, were analyzed for concentrations I

of gross beta in the soluble and insoluble fractions. Results of a gross beta analysis in surface water samples can be found in g tables VII-IX, section V. The concentrations detected in the 3 2m 202 I I

I soluble fraction were well within the range observed during the preoperational period for Units #2 and #3. (1) One sample each at station 6A and 13A had concentrations in the insoluble fraction I of 7.520.6 pCi/l and 17.9 0.9 pCi/l respectively. Both samples contained a significant amount of solids, indicating the presence of sediment. No gamma emitting nuclides were detected in either I sample. Four of the twelve samples taken at station 4F showed significant activity in the insoluble fraction. Since this station is taken near the bottom of Co,lowingo Pond, sediment and I debris should contribute to the gross beta activity in samples from this location. Similar levels were detected during the preoperational period at this station. (1) A graphical comparison of two conowingo I Dam stations (4F and 4G) with one Holtwood Dam station (6A) shows the results of the soluble fraction to be generally the same for all three locations. While in the insoluble fraction, the results differ I significantly (figures 8 A 9, sec. VI). This difference can be attributed to the presence of sediment in samples taken at 4F and 6A which are collected at a greater depth than 4G.

e. Gama Spectrometry Samples from all eight stations, were analyzed for gamma-emitting nuclides by gamma spectrometry. Results of gamma spectrometry on surface water sanples can be found in table I X, section V. All results were below the minimum detectable level with one exception. The April sample taken at location 10 indicated the presence of Co-60 at a concentration of I 1.3 0.,7, pCi/1. No other nuclides were detected in this sample.

2. Discharge Water Samples were taken from three stations (1M, IT and IMM) .on a monthly schedule. Only stations IM and 1m are exposed to I Units #2 and #3 liquid radwaste discharge under normal operating conditions (Refer to figure 1, section VI, for station locations).

The following analyses were performed on discharge water samples.

a. Tritium Total samples from two stations were analyzed for concentrations of aqueous tritium on a monthly basis. Results of tritium analysis in discharge water samples can be found in tables XI-XIII, section V.

I The concentrations detected were well within the range found during the Peach Bottom Units #2 and #3 preoperational period (1). A graphical comparison of results for composite surface water and dis-I charge water samples showed no significant difference in concentrations of aqueous tritium, with one exception. The June sample from station 1MM had a result of 510 80 pCi/1. Some of the activity in this sample i may be the result of K-40 activity in the vial and not H-3 in the sample. A switch from glass to plastic vials in August,1978 eliminated this source of error. Since this sample was inadvertently discarded I a reanalysis could not be performed. 9,. c:s t03 3 I 9 I

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b. Gross Beta Samples from all three stations were analyzed for gross beta g concentrations in the soluble and insoluble fractions, g Results of these analyses in discharge water samples can be found in tables XI-XIII, section V. The concentrations g detected were well within the range found during the Peach 3 Bottom Units #2 and #3 preoperational period (1). Graphical comparisons of results for the composite surface and discharge g water samples showed no significant differences in concentration 5 in the soluble fraction (figure ll, sec. VI). Differences in the insoluble fraction in January can be attributed to the 3 presence of sediment in the sample from IMi (figure 12, sec. VI). E

c. Gama Spectrometry Samples from all three stations were analyzed for gamma-emitting nuclides by spectrometry. Results of gama spectrometric analysis 3 of samples from all stations are given in table XIV, section V. 5 Results were generally below the minimum detectable level, with one exception. In June, Mn-54 was detected at station 1Mi at a g concentration of 0.7 0.6 pCi/1. This result is very close to the 3 detection limit and is not significant from a dose standpoint.

3. Well Water Samples were taken from two stations on a monthly schedule and from two stations on a quarterly schedule. The two stations (1U and IV) sampled monthly were located within the site area (for station location, see figure 1, section VI). The stations sampled quarterly were located about one mile (station 40) and about 10 miles (station 7) from the plant. These station locations are shown in g figures 1 and 2, section VI. The following analyses were 3 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 tables XV-XVII, section V.

Results of all samples were well within the range found during g the Peach Bottom Units #2 and #3 preoperational period (1). 3 A graphical comparison of the distant, site-area, and on-site wells showed that tritium levels have been gradually decreasing with time due to the cessation of routine atmospheric nuclear weapons testing (figure 13, sec. VI). One result (450 80 pCi/1) detected at station 40 in July may have been due to K-40 activity E in the vial and not H-3 in the sample. A switch from glass to 5 plastic vials for liquid scintillation counting in August,1978 eliminated this source of error.

b. Gross Beta Samples from all four stations were analyzed for gross beta concentrations in the soluble and insoluble fractions.

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I Results of gross beta analysis on well water samples can be found in tables XV and XVII, section V. The concentrations detected were well within the range found during the Peach I Botton Units #2 and #3 preoperational period (1).

4. Precipitation Precipitation was collected from two stations on a monthly schedule. Station 1A is located at the on-site Peach Bottom I Weather Station #1. Station 8, located in Colora, MD., is about 10 miles from the plant site (for station locations, see figure 1, section VI),

a. Tritium h Quarterly composites of monthly samples were analyzed for concentrations of aqueous tritium in the total sample. Results of these analyses of precipitation samples can be found in I tables XVIII-XIX, section V. Concentrations detected were well within the range found during Peach Bottom Units #2 and #3 preoperational period (1).

b. Gross Beta Monthly samples were analyzed for gross beta concentrations in the total sample. Results of gross beta analysis in precipitation samples can be found in tables XVIII-XIX, I section V. Generally increased levels of beta activity during the spring reflect world-wide fallout from recent weapons testing by the Peoples Republic of China. Similar I concentrations have been observed throughout the Middle Atlantic States.

c. Gama Spectrometry Monthly samples were analyzed for gama-emitting nuclides I by spectrometry of the total sample. Results of gama spectrometric analysis of samples from both stations are given in table XX, section V. Nuclides detected during i the spring can be attributed to world-wide fallout.

Most nuclides were detected at stations 1A and 8 in similar concentrations.

5. Air 0 articulates Continuous air particulate samples were taken from one station (1Z) located at the on-site Peach Bottom Weather Station #1 (for station location, see figure 1, section VI).

a. Gross Beta Weekly samples were analyzed for concentrations of gross beta activi ty. Results of gross beta analysis of air particulate 1

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I sdmples can be found in table XXI, section V. Generally increased levels of beta activity during the spring followed the same trend that was observed with precipitation and can be attributed to world-wide fallout since similar concentrations have been detected through-out the Middle Atlantic Region.

b. Gama Spectrometry Monthly composite samples were analyzed by spectrometry for gamna-emitting nuclides. Results of gama spectrometric analysis are given in table XXII, section V. Nuclides found were similiar to those detected in precipitation with increases occurring in the spring. Concentrations observed can be attributed to world-wide fallout since similar con-centrations have been detected throughout the Middle Atlantic 2 Region. g

6. Milk Milk was sampled at eleven farms; three (G, H, J) were designated as "near farms" (within 2 miles of PBAPS);

four (D, L, M, N) were designated as " intermediate farms" (3-5 miles from PBAPS); and four (A, B, C, and E) were designated as " distant farms" (>5 miles from PBAPS).

a. Tri tium Milk from all eleven farms was analyzed for tritium concen- h trations in the aqueous fraction on a quarterly basis.

Results of tritium determinations in milk samples can be found in tables XXIII, XXIV and XXVI, section V. Concentra-tions detected generally were within the range found during the Peach Bottom Units #2 and #3 preoperational period (1). A few positive results detected in the first quarter samples at farms G and D and in the second quarter samples at farms L, M, and N may have been the result of counting error. Prior to August,1978 glass vials of low K activity were used in liquid scintillation counting. Since the activity l of the vials was not uniform, some of the sample activity could be atrributed to K-40 in the glass and not H-3 in the sample. A switch to plastic vials has eliminated this source of error. Tritium concentrations in milk were similar to those found I in other media (see table XXXIII, section V). Graphical comparisons of the near, intermediate and distant farms showed no significant differences in tritium concentration, indicating that PBAPS has not added tritium to the milk a (figure 14, sec. VII). g n

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b. Iodine-131 Milk f rom eight farms (A, B, C, D, ti, H, J, N) near Peach Bottom I was analyzed for concentrations of I-131, monthly in January, February and March. Neekly samnling was resumed at the end of March and continued through the first week of December. Three I additional farms (L, M, E) were samnled and analyzed quarterly for I-131. Results of I-131 analysis can be found in tables XXIII, XXV, and XXVI, section V.

Elevated levels of I-131 were detected in milk samoles taken at all farms beginning on March 27; the levels dropped to below the minimum I detectable level by May 29. These concentrations were attributed to world-wide fallout from an atmospheric nuclear weapons test by the Peoples Republic of China on March 14 since all farms showed similar I levels. Samples taken October 2 at two near farms, H and J, showed concentrations of I-131 at or near the minimum detectable level, and drooped to below the detection limit of .05 pCi/l the following I week. Beginning November 13, trace amounts of I-131 were detected in samples taken at near farms G, H and J, and were probably due to PBAPS operation. Two farms G and J dropped to below the detection I limit the following week. Farm H, with the highest concentration (.84 .08 pCi/1) showed positive results in two additional weekly samnles. The maximum hypothetical dose to an infant's thyroid I from drinking this milk was calculated to be .11 mrem. This was calculated using a usage factor of 0.9 liter of milk per day (USNRC Reg Guide 1.109, March 1976) for 21 days. The dose factor I used for dose, was 1.3 x 10%,to an /pCi mrem infant's thyroid (USNRC Regdue to 1.109, Guide ingestion oathways March, 1976),

c. Sr-89 & Sr-90 One milk samole collected at farm J in each quarter was I analyzed for Sr-89 and Sr-90. Results can be found in table XXIII, section V. Concentrations of Sr-89 detected in the May sample can be attributed to fallout from atmospheric nuclear weanons testing,

d. Garrna Spectrometry One milk sample collected at farm J in each quarter was unalyzed by gamma spectrometry. Results can be found in table XXVII, I section V. Nuclides detected were naturally-occurring K-40, and Cs-137 which is commonly found in milk from world-wide fallou t.

I 7. Fish l Fish were sampled from locations IX (a cooling tower pond), IEE ( in the PBAPS discharge canal), 4H, 4I and 4J (near Conowingo Dam), and 6H (near Holtwood Dam). For samnling I locatione, see figures 1-2, section VI. g 0 9 207 1 13 1

I The species sampled were white crappie (Promoxis annularis) from stations 6H, 4I, and 4J, and channel catfish (Ictalurus punctatus) from stations IX, IEE, 4I, 4J and g 6H. American shad (Alosa sapidissimus) was sampled from 3 station 4H.

a. Tritiun The edible portions of fish samples were analyzed for g tritium concentrations in the aqueous fraction and 3 results were found to be consistent with PBAPS Units

  #2 and #3 preoperational findings (1). Results of             E tritium analyses in fish samples can be found in              g tables XXVIII-XXX, section V.

Graphical comparisons of white crappie and channel catfish from the unaffected station (6H), discharge water station (IEE) and potentially affected stations (4I and 4J) showed g similar concentrations, i'ndicating that the operation of g PBAPS has not increased tritium levels in fish in Conowingo Pond (figure 16 & 17, sec. VI).

8. Vegetation Two stations, one in the site area (station 1) and one about 5 miles away (station 5), were sampled (for station location, see figure 2, section VI). Vegetation samoled 3 was beets, cabbage, corn, parsnips and turnips. E

a. Tritium All samoles were analyzed for tritium concentrations in the aqueous fraction and results found were consistent with PBAPS E Units #2 and #3 preoperational data (1). Results of tritium g concentrations in vegetation samples can be found in tables XXXI-XXXII, section V. Tritium concentrations did not vary g by sample type. Levels found were the same as for other E nedia sampled (see table XXXIII, section V and figure 18, section VI).

9. Soil Samples were taken at three locations, one on-site station (2) (for station location, see figure 1, section VI) and two (3A and 5) about four miles away from PBAPS (for station a locations, see figure 2, section VI). The area at station 2 5 is heavily wooded with rock outcroppings. The soil at this location would be expected to contain substantial humus from a the accumulation of natural vegetation debris. Station 3A l is covered only with grass. Station 5 is a combination of grass and cultivated land,

a. Gross Alpha Samples from all stations were analyzed for gross alpha 2339 208 l l

I l concentration in the top one inch and bottom five inches separately. Results of gross alpha analysis in soil samples can be found in tables XXXIV and XXXV, section V. Concentra-I tions of gross alpha emitters detected were well within the range found dwinr, "BAPS Units #2 and #3 preoperational period (1).

b. Strontium-89 and Strontium-90 l Samples from all stations were analyzed for Sr-89 and Sr-90 concentrations in the top one inch and bottom five inches senarately. Results of Sr-90 and Sr-89 analysis in I soil samples can be found in tables XXXIV and XXXV , section V. Concentrations of Sr-90 detected were well within the range found during PBAPS Units #2 and #3 preoperational I period (1). Concentrations of Sr-89 were at or near the minimum detectable level in all samples. Graphical com-parisons of Sr-90 in the top one inch and bottom cut showed I no differences between on-site and mistant locations (figure 19 & 20, sec. VI).

c. Gamma Spectrometry Samples from all stations were analyzed for gamma-emitting I nuclides by Ge(Li) gamma spectrometry (table XXXVI, section V). Nuclides identified were generally the same as those found during the PBAPS Units #2 and #3 preoperational period I with most at the same or lower concentrations (1). Some naturally-occurring nuclides were found (K-40, Th-232, Ra-226). Others found have been attributed to fallout I because other plant-associated radionuclides were not found and concentrations were evenly distributed on site and off site. Differences in concentration of Cs-137 in I the top one-inch at one on-site location can he attributed to the accumulation of vegetative debris at this location (see figures 21 and 22, sec. VI).

I

11. Ambient Gamma Radiation I Ambient gama radiation levels were measured with calcium sulfate: Tm thermoluminescent dosimeters.

I Eleven stations IB,1C,1D,1E,1F, IG,1H, IJ, IL,1M and 2) were located around the site boundary and designated I as the site boundary ring for comparison purposes (for station locations, see figure 3, section VI). Fif teen stations (3A, 4K, 5, 68, 14, 15, 17, 22, 23, 26, 27, 31, l 32, 33A and 38) were located within a 10-mile radius of the site and designated as the middle ring (for station locations, see figure 4, section VI). Seven stations (128, 16, 18, 19, 20, 21B and 24) were located from 10 to 60 miles from the site and designated as the outer ring (for station locations, see figure 5, section VI). Three stations (1A, II,1K) located within the nlant complex constitute a fourth group called plant-complex stations since they could be more directly affected by plant I 15 777r L.)J]

                                                              ^  -
                                                              /U)

I

I activities and do not represent doses to the public (for station location, see figure 3, section VI). Results of TLD measurenents can be found in tables XXXVII-XXXIX, 3 section V. 5 The annual average of nonthly, quarterly, and semiannual radiation the Peachlevels Bottomwere Unitswell within

                        #2 and    #3the range foundperiod preoperational during(1 ).

Graphical comparisons of the site-boundary, middle and a outer rings on monthly, quarterly and semiannual readings 3 showed no differences in ambient radiation levels with distance from PBAPS, indicating no measurable station contribution (table XL, section V, figures 23-24, section VI). Station 1K, located about 100 feet from the turbine building, in a controlled area, indicated dose levels generally rising with power levels. Stations 1A and II, in the predominant downwind direction, did not show any increased levels so that it is improbable that this was an effluent effect. The increased dose levels measured at IK are attributed to direct and scattered radiation from Peach Bottom Units #2 and #3. I

                                    ,'g 2 :, ,:> >

l 1 I I I I I I I I 16 I

I I I I I I I I E E g , IV.

SUMMARY

AND CONCLUSIONS I g 200$ 0$00 Ell i 233? 211 I I I I I I I I

I IV. SU?HARY AND CONCLUSIGHS This report on the supplemental radiological environmental I monitoring program conducted at the Peach Bottom Atomic Power Station for Philadelphia Electric Company by Radiation Management Corporation covers the period January 1,1978 to I December 31, 1978. During this period 3467 analyses were performed on 2851 samples. Surface water and discharge water samples were analyzed for concentrations of tritium, gross beta, and gama-emitting nuclides. Surface water was also analyzed for concentrations I of gross alpha. Comparisons of unaffected stations with potentially affected stations, in Conowingo Pond, showed no significant difference in concentrations of the radio-I nuclides 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 I in Conowingo Pond have not been neasurably influenced by the operation of Peach Botton Atomic Power Station. Other selected media in human food chains (milk, fish and vegetation) were analyzed for concentrations of tritium in the aqueous fractions. Levels measured agree with results I seen in other media studied and with preoperational data for the same medie. l High sensitivity I-131 analyses were performed on weekly milk samnles while cows were on pasture and on monthly samples while cows were not grazing. Trace concerltrations of I-131 I attributable to PBAPS operation were detected in samples collected in the fall, resulting in a maxinin exposure to an infant's thyroid of only .11 mrem. Higher concentrations I measured in the spring were attributed to fallout from a nuclear bomb test. Soil samples were analyzed for concentrations of gross alpha, Sr-90, Sr-89 and gamma-emitting nuclides and levels observed were in agreement with preoperational data. Environmental gamma radiation measurements were made using thermoluminescent dosimeters. Results from the site-boundary, I middle and outer rings vere found to be not significantly different, so it can be concluded that the operation of Peach Bottom Atomic Power Station did nc 3 produce measurable I levels of amMent gamma radiation at any off-site location. In assessing all the data gathered for this report and I comparing the results with preoperational data, it seems evident that the operation of the Peach Bottom Atomic Power Station added no significant amount of radioactivity to the I environment. l 239 212 I 17 l -

I REFERENCES (1) Radiation Management Corporation Publication, Peach Bottom a Atomic Power Station Preoperational Radiological Monitoring l Report for Units r2 and a3, January 1974, Philadelphia, Pa. (2) Interex Corporation, Peach Bottom Atomic Power Station Regional Environs Radiation Monitoring Program Preo7erational Surrary Report, Units #2 and #3, February h 1966 t1 rough 3 August h 1973, June 1577, HatTck, t Mass. 3 I I 92.37 m 213 g i I I I I I I I I I I I 18 I

I I I I I I I I E I l V. TABLES I I B1"3."lllAl I I 2:.39 214 I I I I I I I

I TABLE I RMC STATION DESIGNATION AND SAMPLE IDENTIFICATION SYSTEM VV-WW-XXYZ General code for identification of samples, where: VV- Power Plant identification code PB - Peach Bottom Atomic Power Station WWW - Type of Sample AQF - Aquatic, Fish l AqP - Aquatic, Plankton FPA - Food Products, Apple FPV - Food Products, Various l AP - Air Particulates ID - Imersion Dose I M - Milk l DW - Discharge Water RW - Rain Water I SW - Surface Water l WW - Well Water E - Soil I E- Angular Sector of Sampling Location l Compass is divided into 36 sectors of 10 degrees each with center at Peach Bottom off-gas stack. Sector 36 is centered due North, and others are numbered in a clockwise direction. l Sector 00 is used to designate an unidentified direction. Y - Radial Zone of Sampling Location (In this report, the l Radial distance from the Peach Bottom off-gas stack for all regional stations). S: on-site location D: 3-4 miles off-site A: 0-1 mile off-site E: 4-5 miles off-site B: 1-2 miles off-site F: 5-10 miles off-site l C: 2-3 miles off-site G: H: 10-20 miles off-site 20-100 miles off-site l Z_ - Station's Numerical Designation within sector and zone, using 1,2,3.. . in each sector and zone. ., , , n - 2_J/ ,lb d I I

TABLE II RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION R*C STATION DIRECTION A DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTTOM A FRE0l!ENCY PERFORMED A. SURFACE WATER ILL Peach Bottom PB-SW-654 Continuous sampler Water is continuously sampled Tritium - Monthly Units 2&3 On site at Units 2A3 Intake from the Peach Bottom Units Gross Beta (S+I) - Monthly Intake - Composite 1500' NNE of Unit #1 2A3 Intake and is collected Gama Spec - Monthly in a 190 gallon tank. Each week 2 qts. are withdrawn from the tank prior to drain-ing the tank and placed in a 2 gallon polyethylene bottle to forn a monthly composite sample. IQ Peach Bottom PB-SW-6S3 On site at Unit *2 Intake Two gallon grab sample is Same as station ILL above Unit C about 1500' NNE of Unit *1 collected in front of intake Intake structure monthly. 4F Conowingo Dam PB-SW-14F2 In the Conowingo Hydro- Two gallon grab sample is Tritium - quarterly comp. El. 33' electric Station, 8.5 taken monthly from the same Gross Alpha (S+I) - monthly MSL miles SE of Unit #1. header which is used for the Gross Beta (S+1) - monthly composite sannle (4L). This Gama Spec - monthly header continuously draws pond water from about elevation 33' MSL. This sanple and PB-SW-14F3 samples are collected at the same time. 4G Conowingo Dam PB-SW-14F3 At Conowing Dam in Two gallon grab sannle is Gross Beta (S+I) - monthly Surface Maryland, 8.5 miles SE collected near the surface Gama Spec - monthly of Unit dl. Water sample of the pond on the upstream is taken from Conowingo side of the dam monthly. Pond on upstream side of dam. UJ 4L UJ Conowingo Dam PB-SW-14F5 Continuous sampler in Water is continuously sampled Tritium - monthly G El. 33' MSL - Conowingo Hydroelectric from a header which draws Pond Gross Alpha (S+I) - nonthly Composite Station; abwt 8.4 niles water from elevation 33' MSL Gross Beta (S+1) - monthly N SE o/ Unf+ 41, and is collected in a 175 gal. Gama Spec - monthly tank. Each week 2 qts. are withdrawn from the tank prior O to draining the tank and placed in a 2 gal. polyethylene bottle to forn a monthly composite sample. 6A Holtwood Dam PB-SW-33F1 At Holtwood Dam, Pa. , Two gallon grab sample is col- Same as station 4F above Hydroelectric 5.9 miles NW of Unit #1. lected from Holtwood Pond at Station Hydroelectric Station intake monthly. MM M M MM M M M M W W W WW W W W W M M M

M M M M M MM M M M M M M M M M M M M M M M TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION 4 DISTANCE COLLECTION METHOD AN* LYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTTOM & FREQI!ENCY PE RFORMED 6I Holtwood Dam PB-SW-33F4 Continuous samler at Water is continuously Tritium - monthly Hydmelectric Hol twood Dam, Pa., 5.9 sampled from the Holtwood Gross Alpha (S+1) - mnthly Station-Composi te miles NW of Unit *1. Hydroelectric Station Gross Beta (S+1) - monthly Intake and is collet'ed in Gama Spec - monthly a 175 gal. tank. Eat. week 2 qts. are withdrawn from the tank prior to draining the tank and placed in a 2 gal. polyethylene bottle to fom a monthly composite sample. 13A Chester Water PB-SW-11C1 On east shore of Conowingo Two gallon grab sanple Tritium - quarterly comp. Intake-Pond Pond at Chester Water is collected from Conowingo Gross Beta (S+I) - monthly Authority Intake, 2.8 Pond near the shore monthly . Gama Spec - nonthly miles SE of Unit #1. 13B Chester Water PB-SW-11C2 At Chester Water Authority Two gallon grab sample is Same as station ILL above Intake-pump Intake. The same as collected from punp discharga (when samples are collected) Discharge PB-SW-11C1 but the sanple during any month that the is collected from the pump pump operates. discharge. B. DISCHARGE WATER IM Peach Bottom PB-DW-1352 Located at Canal Discharge Two gallon grab sample is Tritium - monthly Canal Discharge structure; 0.9 miles SE collected at the exit of Gross Beta (S+I) - nonthly of Unit #1. the discharge canal nonthly. Gama Spec - monthly 1 41 Peach Bottom PB-DW-1355 A continuous tanpler Water is continuously sannled Same as station IM above Canal on site at canal discharge from the Peach Botton Unit Discharge - .9 miles SE of Unit *1. 2A3 discharge canal and is col-Composite lected in a 190 gallon tank. Each IO week 2 qts. are withdrawn 4 from the tank prior to drain-u ing the tank and placed in a a 2 gal, polyethylene bottle to form a monthly corrosite sample.

               '                                                                                                            Gross Beta (S+I) - monthly IT      "

Peach Bottom PB-DW-1353 On site in the station Two gallon grab sample is Dis cha rge discharge canal about 0.4 collected from the discharge Ganna Spec - nonthly N Canal-2200' miles SE of Unit *1 and canal monthly. 2200' from Unit 81 intake.

TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAN ENV. STATION LOCATION STATION RMC STATION DIPECTION A DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH 90TTOM A FREQUENCY PERFORMED C. WELL WATER IU Peach Bottom PB-W-1552 Well at plant site. 450' Well nunp is run for Tritium - quarterly comp. Si te-Utili ty SW of Unit dl. several minutes prior to Gross Beta (S+1) - monthly Building sampling in order to flush the sanple line. Then two gallon grab sannle is taken from the building faucet monthly. IV Peach Bottom PB-W-1252 Well at plant site. 4 50' Sane as station 10 above Same as station IU above Site-Info. SE of Unit dl. Center 7 Darlington, Md. PB-W-16F1 9.4 miles SSE of Unit di Sane as station IU above Tritium - quarterly Area in Harford Co., Md. except quarterly Gross beta (S+1) - quarterly 40 Peach Bottom PB-W-21R2 Well in site Area, Same as station IU above Same as station 7 above Site Area 1.2 miles SW of Unit #1. except quarterly D. AIR PARTICULATES IZ Peach Bottom PB-RW-11S4 On site at Weather Station About I cfn continuous Gross Beta - weekly Weather #1, 0.1 miles ESE of Unit #1. flow through filter paper Gama Spec - nonthly comp. Station $1 (annrox. 2" dian.) is installed for a week and replaced. E. PRECIPITATION 1A Peach Bottom PB-RW-1151 On site at Weather Station The sample from the rain Gross Beta - monthly Weather 41, 0.1 niles ESE of collector is shipped to Gama Spec - monthly Station $1 Unit al. RMC nonthly. The rain Tritium - quarterly comp. N collector consists of an 9-inch diameter piastic LN funnel connected to a La two-gallon polyethylene a container. 8 y Colora, Md. PB-RW-12F1 9.9 miles ESE of Unit #1 Sane as Station IA above Same as station IA above in Cecil Co., Md. CO MW W W W W WW W W WW W WWW W WWWWW

WWWG 6 6 6 6 6 6 6 6 M M M W W W W W W G TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTTOM & FREQUENCY PERFORMED F. MILK Regional PB-M-24F1 Distant regional farms Two gallon grah sample I-131 - weekly Farm A ;urrounding the site, is collected at each Aq tritium - quarterly designated "A", "B" and farm from a tank containing Regional PB-M- "C" on the west side of milk from all cows weekly Same as station A above Farm B Conowingo Pond and "E" while cows are on pasture, on the east side of monthly otherwise. Samples are shipped to RMC. Regional PB-M-31F1 Conowingo Pond. Near- Same as station A above Farm C by regional farms surrounding the Peach Regional PB-M-SD1 Bottom site on the west Same as station A above Farm D side of Conowingo Pond are designated "G", "H" Regional PB-M-36F1 and "J". Regional farms Same as station A above I-131 - quarterly Farm E at intermediate distances except quarterly Aq tritium - quarterly from Peach Bottom on the Regional PB-M-20B1 e:a;t side are designated Same as station A above Farm G "D , "L", "M" and "N". Regional PB-M-1RBI Same as station A above Farm H Regianal PB-M-28A1 I-131 - weekly Farm J Aq tritium - quarterly rQ Sr-89 & quarterly (.J Gama Spec - quarterly I-131 - quarterly

            ~

Regional PB-M-5B1 Same as station A above Farm L except quarterly Aq tritium - quarterly N Regional PS-M-7C1 Same as station A above Same as station L above Farm M except quarterly W Regional PB-M-11C3 Same as station A above Same as station L above Farm N except quarterly G. FISH (8) IX Peach Bottom PB-AQF-1054 Located in berm Pond B-3 One Ib. each of White Aq tritium - quarterly Site Cooling about 1100' ENE of Crappie and Channel Catfish Tower Pond B-1 Unit #1. are collected quarterly by trapping. Each species is sealed in a separate plastic bag, frozen, and shipped to RMC.

TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM EN) STATION LOCATION STATION RMC STATION DIRECTION A DISTANCE COLLECTIO*1 METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIG.4ATION FROM PEACH BOTTOM A FREqi!ENCY PERF0P?ED G. FISH (8) (cont.) IEE Peach Bottom PB-AQF-1354 Located in the discharge One Ib. each of White Aq tritium - quarterly Discharge Canal canal between PB liquid Crappie and Channel Catfish Below Radwaste radwaste discharge and are collected quarterly by Discharge canal exit. trapping or angling. Each species is sealed in a separate plastic bag, frozen and shipped to RMC. 4H Conowingo Dam PB-AQF-14F4 Located in conowingo Dan One Ib. of Anerican Shad Aq tritium - annually Tail race Tailrace about 8.5 miles is collected annually by SE of Unit #1. trapping, sealed in a plastic bag, frozen, and shipped to R'dC. 4I Conowingo Pond PB-AQF-9Al Located in Conowingo Pond One Ib. each of White Aq tritium - quarterly Net Trap 43 about 1450' E of Unit 81. Crappie and Channel Catfish are collected quarterly by trapping. Each species is sealed in a plastic bag, frozen and shipped to RMC. 4J Conowingo Pond PB-AQF-1481 Located in Conowingo Pond One Ib. each of White Aq tritium - quarterly Net Trap #15 about 6400' SE of Unit #1. Crappie and Channel Catfish are collected quarterly by trapping. Each species is sealed in a plastic bag, frozen and shipped to RMC. IV 6H v4 Holtwood Pond PB-AQF-33F3 Located in Holtwood Pond One Ib. each of White Aq tritium - quarterly u near the west bank about Crappie and Channel Catfish w 6.6 miles NW of Unit dl. are collected quarterly by trapping. Each species is sealed in a plastic bag, S') frozen and shipped to RMC. td 6J U Holtwood Pond PB-AQF-33G2 Located in Holtwood Pond Same method as station 6H Same as station 6H above about 10.7 miles NNW above; collected quarterly of Uni t dl. if none available at 6H. M W M W 6 6 6 6 6 W W 6 6 W W 6 M M 6 M W W

W W W W W W W W W W W W W W W W W W W W W TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRE ENV. STATION LOCATION STATION RMC STATION DIRECTION A DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTTCM & FRET)UENCY PE RFOR*ED H. VEGETATION 1 Peach Bottom PB-FPV-00 A1 Located in site area. Vegetation sannles are Aq tritium - 3 times per year Site Area collected three times a year, sealed in plastic bag, and shipped to RMC. 5 Wakefield, Pa. PB-FPV-SE1 Located 4.5 miles E of Sane as station 1 above Same as station 1 above Unit 81. I. SOIL 2 Death Botton PB-E-1351 On site, 0.7 miles SE Seven cores (2" in diameter Ga-r:a Spec - semi-annual 130' Sector of Unit #1. and 6" deep) are collected Gross alpha - semi-annual Hill from a 50 X 50 f t. area Sr-89 A semi-annual semi-annually. Top 1 inch and botton 5 inches are separated, sealed in plastic bags, and shipped to RMC. 3A Del ta, Pa. PB-E-23D1 3.6 miles SW of Unit *1 Sane as station 2 above Same as station 2 above Substation a t Del ta , Pa . 5 Wakefield, Pa. PB-E-RE1 4.5 miles E of Unit #1 Sane as station 2 above Same as station 2 above at Wakefield, Pa. J. ENVIRONMENTAL DOSIMETRY - TLD At each of the following stationf there are 2 environnental dosineter packets with 4 TLDs per package. One packet is replaced nonthly, and one quarterly. The packets for each time period are rollected and replaced on the same day at all the stations. N 1A s aPeach Bottom PB-ID-1151 On site, 0.1 miies ESE of Procedure for collection TLD - monthly & quarterly u Weather Uni t #1. is described in the g Station #1 placerent procedure in Sec. II., A. IB N each P Bottom PB-ID-3351 On site, 0.6 miles NNW of TLD - nonthly & quarterly NWeather Unit #1.

                   - Station #2 1C                Peach Battom        PB-ID-1651       On site, 0.7 miles SSE of                                         TLD - monthly & quarterly South                                Uni t #1.

Substation Rd.

TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTTOM & FRFOUENfY PERFORMED J. ENVIRONMENTAL DOSIMETRY - TLD (cont.) 1D Peach Bottom PB-ID-14SI On site, 0.5 miles SE of TLD - monthly & quarterly 140* Sector Unit #1. Site Boundary 1E Peach Bottom PB-ID-3551 On site, 0.8 miles N of TLD - monthly & quarterly 3 50 Sector Unit #1. Site Boundary IF Peach Bottom PB-ID-20S1 On site, 0.6 miles SSW of TLD - monthly & quarterly 200* Sector Uni t #1. Hill 1G Peach Bottom PB-I D-3051 On site, 0.7 miles WNW of TLD - monthly & querterly North Unit #1. Substation 1H Peach Bottom PB-ID-2751 On site, 0.6 miles W of TLD - monthly & quarterly Site 270 Unit *l. Sector Hill II Peach Bottom PB-ID-15SI On site, 0.4 miles S of TLD - monthly & quarterly South Unit #1. Subs ta tion IJ Peach Bottom PB-!D-18SI On site, 0.6 miles S of TLD - monthly & quarterly Site 180* Unit #1. Sector Hill 1K Peach Bottom PB-ID-651 On site, 0.2 miles NNW TLD - monthly & quarter 7. Units 2 & 3 of Unit *l. Admi nis t ra tion r s_) Building ma IL LJ Peach Bottom PB-ID-6S2 Located near Unit 3 7LD - monthly & quarterly sf3 Unit 3 Intake structure; 0.3 niles Intake NNE of Unit #1. N IM ps ) Peach Bottom PB-!D-1352 Located near Canal Discharge TLD - monthly & quarterly Canal Discharge structure; 0.9 miles SE of N Unit el. 2 Peach Bottom PB-ID-1351 On site, 0.7 niles SE of TLD - monthly & quarterly Site 130* linit #1. Sector Hill 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 W m m W TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTTOM & FREQUENCY PERFORMED J. ENVIRONMENTAL DOSIMETRY - TLD (cont.) 3A Delta, Pa. PB-ID-23D1 3.6 miles SW of Unit il at TLD - monthly & quarterly Subs ta tion Delta. Pa. 4K Conowingo Dam PB-ID-14F1 On roof of Conowingo TLD - monthly & quarterly Powerhouse Powerhouse, 8.5 miles SE of Roof Unit dl. 5 Wakefield, Pa. PB-ID-P.El At Wakefield, Pa. 4.5 miles TLD - nonthly & quarterly E of Unit #1. 3B Holtwood llam PB-ID-33F2 On roof of Hydroelectric TLD - monthly & quarterly Hydroelectric Station, 5.9 miles NW of Station Unit dl. 12B Phila., Pa. P3-ID-8H1 On roof of Radiation TLD - monthly & quarterly 3508 Market St. Management Corp. , Philadelphia, Pa., 64 miles E of Unit dl. 14 Peters Creek PB-ID-10C1 2.3 miles E of Unit #1 near TLD - monthly & quarterly the mouth of Peters Creek 15 Silver Spring PB-ID-36D1 3.8 miles N of Unit di near TLD - monthly & quarterly Road Silver Spring Road. 16 Nottingham, Pa. PB-ID-9G1 12.8 ailes E of Unit #1 at TLD - renthly & quarterly Subs tation Nottingham Substation. 17 Riverview PB-ID-11El 4.4 miles ESE of Unit di TLD - monthly a quarterly Road near Riverview Road. 18 Fawn Grove, Ps. PB-ID-26F1 10 miles W of Unit #1 at TLD - monthly & quarterly iG Fawn Grove, Pa. 19 e Red Lion, Pa. PB-ID-30G1 20.6 miles WW of Unit dl TLD - monthly & quarterly y at Red Lion, Pa. 20 gd Bel Air, Md. PB-I D-20G1 15.1 miles SSW of Unit #1 TLD - monthly & quarterly Area near Bel Air, Maryland. N 21B 'W Lancaster Pa. PB-ID-35G1 19 miles NW of Unit #1 TLD - monthly & quarterly Area near Lancaste.r, Pa. 22 Eagle Road PB-ID-3C1 2.5 miles NNE of Unit #1 TLD - monthly a quarterly near Eagic Road.

TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY N0. STATION NAME DESIGNATION FROM PEACH BOTTOM & FREQUENCY PERFORMED J. ENVIRONMENTAL DOSIMETRY - TLD (cont.) 23 Peach Bottom PB-ID-15B1 Off-site Hill 0.9 miles TLD - monthly & quarterly 150' Sector Hill SSE of Unit #1 off site 24 Harrisville, Md. PB-ID-11G1 10.9 miles ESE of Unit di TLD - monthly & quarterly Substation at Harris Substation 26 Slab Road PB-ID-21El 4.3 miles tN of Unit di TLD - monthly & quarterly near Slab Road. 27 N. Cooper PB-ID-18C1 2.5 miles 5 of Unit *1 TLD - mnthly & quarterly Road near N. Cooper Road. 31 Pilotown PB-ID-13F1 4.8 miles SE of Unit #1 TLD - mnthly % quarterly Road near Pilotown Road. 32 Slate Hill PB-I D-6C1 2.8 miles NE of Unit 81 TLD - monthly & quarterly Road near Slate Hill Road. 33A Fulton Main PB-ID-682 1.8 miles ENE of Unit *1 TLD - monthly & quarterly Weather Station l'V 38 (g Peach Bottom PB-ID-801 2.9 miles E of Unit *1 TLD - monthly & quarterly g Road near Peach Botton Road. s0 Nd DJ k M M M M M M M M M M M M M MM M M M M M M

m M m M m m e e m m m m M M M M M m W W W m TABLE III

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1978 Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples H-3 Beta Alpha TLD Spec. I-131 Sr-89 Sr-90 Analyses A. SURFACE WATER IQ PB-SW-6S3 Peach Bottom 12 12 24 12 48 Unit #2 Intake - Grab ILL PB-SW-6S4 Peach Bottom 12 12 24 12 48 Unit #2 & 3 Intake - Composite 13A PB-SW-llc 1 Chester Water 12 4 24 12 40 Intake Pond 13B PB-SW-11C2 Chester Water Intake - 1 1 2 1 4 Pump Discharge 4F PB-SW-14F2 Conowingo Dam 12 4 24 24 12 64 El 33' MSL - Grab 4G PB-SW-14F3 Conowingo Dam 12 24 12 36 Surface-Grab N l'd 4L PB-SW-14F5 Conowingo Dam 10 10 20 20 10 60

   ,]                       El 33' - Composite y      6A    PB-SW-33F1    Holtwood Dam               12     4     24     24           12                           64 m                           Hydroelectric Station in 61    PB-SW-33F4    Holtwood Dam               11     11    22     22           11                           66 Hydroelectric Station

TABLE III Cont. Type of Analyses Station 'dtC r Number of Gross Gross Gamma Total No. Designation Location Samples H-3 Beta Alpha TLD Spec. I-131 St-89 Sr-90 Analyses B. DISCHARGE WATER IM PB-DW-13S2 Peach Bottom 12 12 24 12 48 Canal Discharge-Grab IMM PB-DW-13SS Peach Bottom 12 12 24 12 48 Canal Discharge-Composite IT PB-DW-13S3 Peach Bottom 12 24 12 36 Discharge Canal-2200' C. WELL WATER IU PB-WW-15S2 Peach Bottom Site 12 4 24 28 Utility Bldg. N 04 IV PB-WW-12S2 Peach Bottom Site 12 4 24 28 L4 Info. Center x0 40 PB-WW-21B2 Peach Bottom 4 4 8 12 y Site Area ON 7 PB-WW-16F1 Darlington, Md. Area 4 4 8 12 D. AIR PARTICULATES 12 PB-AP-llS4 Peach Bottom 52 52 12 64 Weather Station #1 m M M M e e m W W 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 Cont. Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples H-3 Beta Alpha TLD Spec. I-131 sr-89 Sr-90 Analyses E. RAIN WATER 1A PB-RW-11S1 Peach Bottom 12 4 12 12 28 Weather Station #1 8 PB-RW-12F1 Colora, Md. 12 4 12 12 28 F. MILK PB-M-24F1 Regional Farm A 41 4 41 45 PB-M-19G1 Regional Farm B 41 4 41 45 PB-M-31F1 Regional Farm C 41 4 41 45 PB-M-5D1 Regional Farm D 41 4 41 45 PB-M-36F1 Regional Farm E 4 4 4 8 PB-M-20B1 Regional Farm G 41 4 41 45 re PB-M-18B1 Regional Farm H 41 4 41 45 tea La PB-M-28A1 Regional Farm J 41 4 4 41 4 4 57 e PB-M-5B1 Regional Farm L 4 4 4 8 PB-M-7C1 Regional Farm M 4 4 4 8 PB-M-11C3 Regional Farm N 41 4 41 45

TABLE III Cont. Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples H-3 Beta Alpha TLD Spec. I-131 Sr-89 Sr-90 Analyses G. FISil IX PB-AQF-10S4 Peach Bottom Site 2 2 2 Cooling Tower Pond B-1 IEE PB-AQF-13S4 Peach Bottom 3 3 3 Discharge Canal - Below Radwaste Discharge 4 11 PB-AQF-14F4 conowingo Dam 1 1 1 Tailrace 4I PB-AQF-9Al Conowingo Pond 5 5 5 Net Trap #8 4J PB-AQF-14B1 Conowingo Pond 8 8 8 Net Trap #15 6 11 PB-AQF-33F3 Holtwood Pond 4 4 4 N II . VEGETATION 's 4 tra 1 PB-FP-00Al Peach Bottom C 6 6 6 Site Area 5 PB-FP-8El Wakefield, Pa. 6 6 6

M M M M m m m m M M M M M M M M M MM M M m TABLE III Cont. Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples 11 - 3 Beta Alpha TLD Spec. I-131 Sr-89 Sr-90 Analyses I. SOIL 2 PB-E-13S1 Peach Bottom 4 4 4 4 4 16 130* Sector 11111 3A PB-E-23D1 Delta, Pa. 4 4 4 4 4 16 Substation 5 PB-E-8El Wakefield, Pa. 4 4 4 4 4 16 J. ENVIRONMENTAL DOSIMETRY 1A PB-ID-IISI Peach Bottom 64 64 64 Weather Station #1 IB PB-ID-33S1 Peach Bottom 64 64 64 Weather Station #2 1C PB-ID-16S1 Peach Bottom 56 56 56 South Substation Road ID PB-ID-14S1 Peach Bottom 64 64 64 140* Sector N Site Boundary

'JJ U       lE     PB-ID-35S1   Peach Bottom            64                         64                                   64 4                           350* Sector Site Boundary N

e IF PB-ID-20S1 Peach Bottom 64 64 64 200* Sector 11111

TABLE III Cont. Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples 11 - 3 Beta Alpha TLD Spec. I-131 Sr-89 Sr-90 Analyses 1G PB-ID-30S1 Peach Bottom 64 64 64 North Substation 1H PB-ID-27S1 Peach Bottom 64 64 64 270# Sector Hill II PB-ID-15S1 Peach Bottom 56 56 56 South Substation IJ PB-ID-18S1 Peach Bottom 55 55 55 180* Sector Hill 1K PB-ID-6S1 Peach Bottom 64 64 64 Units 2 & 3 Administrative Bldg. IL PB-ID-6S2 Peach Bottom 64 64 64 Units 2 & 3 Intake IM PB-ID-13S2 Peach Bottom 64 64 64 N Canal-Discharge tJ LJ 2 PB-ID-13S1 Peach Bottom 64 64 64 3 130* Sector 11111

 ,     3A   PB-ID-23D1     Delta, Pa. Substation     64                        64                                  64 o

4K PB-ID-14F1 Conowingo Dam 60 60 60 Powerhouse Roof M M M M M M m M M M M M M M M m W W W W m m

MM M M M M M m M M M M M MM M M MM MM M TABLE III Cont. Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples H-3 Beta Alpha TLD Spec. 1-131 Sr-89 Sr-90 Analyses 5 PB-ID-8E1 Wakefield, Pa. 64 64 64 6B PB-ID-33F2 Holtwood Dam. 64 64 64 Hydroelectric Station 12B PB-ID-8H1 Phila., Pa. 64 64 64 3508 Market St. 14 PB-ID-10Cl Peters Creek 64 64 64 15 PB-ID-72D1 Silver Spring Rd. 64 64 64 16 PB-ID-9G1 Nottingham, Pa. 64 64 64 Substation 17 PB-ID-llEl Riverview Rd. 64 64 64 18 PB-ID-26F1 Fawn Grove, Pa. 64 64 64 19 PB-ID-30G1 Red Lion, Pa. 48 48 48 20 PB-ID-20G1 Bel Air, Md. Area 64 64 64 ['7 L' 21B PB-ID-35G1 Lancaster, Pa. 52 52 52 nm 22 PB-ID-3Cl Eagle Road 51 51 51 La 23 PB-ID-15B1 Off-site 150* 64 64 64 Sector Hill 24 PB-ID-IlG1 Harrisville, Md. 64 64 64

TABLE III Cont. Type of Analyses Station RMC Number of Gross Gross Gamma Total No. Designation Location Samples H-3 Beta Alpha TLD Spec. 1-131 Sr-89 Sr-90 Analyses 26 PB-ID-31El Slab Road 64 64 64 27 PB-ID-18Cl N. Cooper Road 64 64 64 31 PB-ID-13F1 Pilotown Road 64 64 64 32 PB-ID-6C1 Slate Hill Road 64 64 64 33A PB-ID-6B2 Fulton Weather 64 64 64 Station 38 PB-ID-8D1 Peach Bottom Road 56 56 - 56 TOTAL 2851 185 400 102 2226 182 340 16 16 3467 N

   <~

f . .J

   %)

N N m e m m m m m m M M M m M mm m m mm e m m

M M M M m MM M M M M m W M M M M MM MM m TABLE IV

SUMMARY

OF RADIOACTIVITY CONCENTRATIONS No. of Sample Type Samples Number Period

• Period
• Period ** Pre-Op***

and Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units SURFACE WATER Potentially Aqueous Tritium (Grab) 12 8 <80 200t70 110180 320:250 pCi/l Affected Aqueous Tritium (Grab-Quarterly Comp.) 8 7 <70 350 80 1601210 - pCi/l Stations Aqueous Tritium (Composite) 22 14 <70 240!80 110180 240130 pCi/l (lQ, 4F, Gross Beta (Soluble-Grab) 48 46 <0.3 4.3t0.5 2.121.6 3.3!2.6 pCi/l 4G, 13A-Grab) Gross Beta (Soluble-Composite) 22 21 <0.4 2.8t0.4 1.9 1.2 3.5t2.6 pCi/l (ILL, 4L-Composite) Gross Beta (Insoluble-Grab) 48 41 <0.3 25!2 2.819.4 3.4 3.1 pCi/l (4F, 13A- Gross Beta (Insoluble-Composite) 22 19 0.4!0.3 4.6 0.5 1.5!2.6 3.4!2.6 pCi/l Quarterly, Cross Alpha (Soluble-Grab) 12 2 <0.3 3tl 1.0t2.1 - pCi/l Composite for Gross Alpha (Soluble-Composite) 10 0 <0.4 <1 <0.55 - pC1/1 T rit i:-m) Gross Alpha (Insoluble-Grab) 12 5 <0.2 722 1.8t4.9 - pCi/1 Gross Alpha (Insoluble-Composite) 10 5 <0.1 1.6!0.8 0.4520.92 - pC1/1 Unaffected queous Tritium (Grab-Quarterly Comp.) 4 3 <70 170180 120!!00 - pCi/l Stations Aqueous Tritium (Composite) 11 9 <70 200!80 110180 - pCi/1 (6A-Grab) Gross Beta (Soluble-Grab) 12 12 0.8!0.4 3.4!0.5 2.l!1.4 3.510.4 pCi/1 (6I-Composite) Gross Beta (Soluble-Composite) 11 10 <0.3 2.7 0.4 2.0tl.5 - pCi/1 (6A-Quarterly Gross Beta (Insoluble-Grab) 12 9 <0.3 7.5 0.6 1.714.6 3.7!4.5 pC1/1 Composite for Gross Beta (Insoluble-Composite) 11 6 <0.3 2.3t0.5 0.76!1.40 - pCi/1 Tritium) Gross Alpha (Soluble-Grab) 12 2 <0.09 <2 0.69!1.06 - pCi/1 g Gross Alpha (Soluble-Composite) 11 3 <0.4 1.l!0.7 0.6120.39 - pCi/1 Gross Alpha (Insoluble-Grab) 12 3 <0.1 412 0.5912.20 - pCi/1 Gross Alpha (Insoluble-Composite) 11 0 <0.1 <1 <.25 - pCi/l O DISCHARGE WATER V Potentially Aqueous Tritium (Grab) 12 7 <60 380t80 150!200 310!200 pCi/1 M Affected A Stations Aqueous Tritium (Composite) 12 8 <70 510!80 180t260 480!30 pCi/1 (IM, Gross Beta (Soluble-Grab) 24 24 0.6!0.4 2.6t0.4 1.911.0 3.4 0.6 pCi/l IT-Crab) Gross Beta (Soluble-Compos it e) 12 12 1.0t0.4 2.710.5 1.8 1.1 3.4 0.6 pCi/l (IMM-Composite) Gross Beta (Insoluble-Grab) 24 zu <0.3 4.0 0.5 1.6t2.6 1.2tl.3 pC1/1 Gross Beta (Insoluble-Composite) 12 10 <0.4 10.620.7 2.3!5.6 .3!2.5 pCi/1

TABLE IV (CONTINUED) No. of Scmple Type Samples Number Period

• Period
• Period ** Pre-Op***

and Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units WELL WATER On-Site Aqueous Tritium (Quarterly Composite) 8 6 <70 240!80 130!!30 270t300 pCi/l Wells Gross Beta (Soluble) 24 8 <0.3 1.6t0.4 0.48!0.58 3.120.8 pCi/1 (IU+1V) Gross Beta (Insoluble) 24 16 <0.3 31 0.68tl.29 3.221.2 pCi/1 Site Area Aqueous Tritium 4 4 70260 450180 210t330 410t100 pCi/1 (40) Gross Beta (Soluble) 4 4 0.5t0.3 0.910.3 0.75 0.35 3.0!0.1 pCi/l Gross Beta (Insoluble) 4 4 0.3!0.3 1.3to.3 0.73 0.87 <3.0 pC1/1 Distant Aqueous Tritium 4 0 <60 <80 <73 - pCi/l Well (7) Gross Beta (Soluble) 4 4 1.410.4 2.2t0.4 1.810.9 - pCi/l Gross Beta (Insoluble) 4 0 <0.3 <0.3 <0.3 - pCi/1 RAIN WATER On-Site Aqueous Tritium (Quarterly Composite) 4 3 <80 120t80 100t30 240 180 pCi/1, (IA) Aqueous Tritium (Quarterly Composite- 4 3 <20 30 20 23:10 - nCi/m' Surface Density) Gross Beta (Total) 12 12 41 325!8 61tl84 4.8t6.4 pCi/1 2

                ,w,    Gross Beta (Total-Surface Density)           12       12     240150      40300!900 5200122400     -

pCi/m Distant Aqueous Tritium (Quarterly Composite 4 1 < 70 90170 80 16 - pC i /1., (8) d 20t10 Aqueous Tritium (Quarterly Composite- 4 1 <9 15!12 - nCi/m' Surface Density) N Gross Beta (Total) 12 12 4t1 30717 53!!69 - pCi /1., U Gross Beta (Total-Surface Density) 12 12 270t20 34100tS00 4300t19000 - pCi/m'

                   ".=

AIR PARTICULATES Weather Station #1 (12) Gross Beta 52 52 0.02910.005 1.53t0.03 0.12!0.41 - pCi/m WWM M M M m W M M M M M M M M M MM MM M

MM M M M MM M M M M M M MM MM M M M M M TABLE IV (CONTINUED) No of Sample Type Samples Number Period

• Period
• Period ** Pre-Op***

and Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units MILK Near Farms (G.II,J) Tritium (Aqueous Fraction) 12 7 <50 390270 110t200 - pCi/1 (milk) Tritium (Aqueous Fraction) 12 7 <60 440 80 1301220 140t248 pCi/1 (water) I-131 123 32 <.03 4.9t0.5 0.20tl.15 <0.2 pCi/1 (milk) Sr-89 (Quarterly-Grab, Farm J) 4 1 <1 41 2.0!2.8 - pCi/1 (milk) Sr-90 (Quarterly-Grab, Farm J) 4 4 5.2 0.9 10t1 7.314.3 - pCi/1 (milk) Intermediate Farms Tritium (Aqueous Fraction) 16 13 <50 420 70 170!280 - pCi/1 (milk) (D.L M,N) Tritium (Aqueous Fraction) 16 13 <50 460t70 190 300 220!330 pCi/1 (water) I-131 90 11 <0.02 9.120.9 0.21!1.98 <0.2 pCi/1 (milk) Distant Farms (A,B,C,E) Tritium (Aqueous Fraction) 16 10 <50 260 70 802100 - pCi/1 (milk) Tritium (Aqueous Fraction 16 10 <50 300!80 90 120 103!73 pCi/1 (water) I-131 127 19 <0.02 4.7 0.5 0.18!1.21 <0.2 pCi/1 (milk) FISil Will'E CRAPPIE Pot atially Tritium (Aqueous Fraction) 6 4 <0.06 0.30t0.05 0.1510.18 - pCi/g (wet)(1) Affected Pond Station g Tritium (Aqueous Fraction) 6 4 <80 400!70 170t240 340t370 pCi/1 (water) (IX,4I,4J) Unaffected Pond Stations Tritium (Aqueous Fraction) 1 1 - 0.07!0.05 - - pCi/g (wet) (611 & J) N Tritium (Aqueous Fraction) 1 1 - 100!70 - - pCi/1 (water) (rJ LG

TABLE IV (CONTINUED) No. of Sarnple Type Samples Number Period

• Period
• Period ** Pre-Op***

and Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units FISit (Cont.) Discharge water Tritium (Aqueous Fraction) 0 - - - - - pCi/g (wet)(1) Station (IEE) Tritium (Aqueous Fraction) 0 - - - - - pCi/1 (water) CHANNEL CATFISil Potentially Tritium (Aqueous Fraction) 9 7 0.05t0.02 0.2910.05 0.12t0.15 - pCi/g (wet)(1) Affected Pond Stations Tritium (Aqueous Fraction) 9 7 <100 390!70 180!!80 320t400 pCi/1 (water) (IX,4I,4J) Discharge Water Station Tritium (Aqueous Fraction) 3 2 <0.09 0.0910.05 0.09!0.01 - pCi/g (wet) (1) (IEE) Tritium (Aqueous Fraction) 3 2 <100 180!80 140280 - pCi/1 (water) Unaffected Tritium (Aqueous Fraction) 3 3 0.04!0.02 0.14t0.05 0.0810.11 - pCi/g (set)(1) Pond Station (6H & J) Tritium (Aqueous Fraction) 3 3 80t80 190t70 130!!!0 - pCi/1 (water) AMERICAN SHAD Potentially Tritium (Aqueous Fraction) 1 0 -

                                                                                        <0.1         -            -

pCi/g (wet)(1) Affected Station Tritium (Aqueous Fraction) 1 0 -

                                                                                        <100         -

120 pCi/1 (water) (4H) VEGETATION On-Site N Station U4 Tritium (Aqueous Fraction) 6 6 .07!.06 0.23to.07 0.14!0.11 - pCi/g (wet)(1) (1) LW W Tritium (Aqueous Fraction) 6 6 70:.70 270!80 170!140 <80 pCi/1 (water) iJ L.14 ON WW W WW W M M M M MM M M M M M MWWWW

MM MW W WW W W WWW WWW W W WWWMM TABLE IV (CONTINUED) No. of Sample Type Samples Number Period

• Period
• Period ** Pre-Op***

and Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units VEGETATION (Cont.) Distant Station Tritium (Aqueous Fraction) 6 6 0.09!0.04 0.14!0.07 0.11!0.04 - pCi/g (wet)(1) (5) Tritium (Aqueous Fraction) 6 6 110!70 160280 130!40 <80 pCi/1 (water) SOIL On-Site Sr-89 (top 1") 2 1 <0.1 0.2!0.1 0.15!0.14 - pCi/g (dry) Location (bottom) 2 1 0.0820.06 <0.09 0.09!0.01 - pCi/g (dry) (2) Sr-90 (top 1") 2 2 0.30 0.07 0.5910.08 0.45!0.41 2.1 pCi/g ~(dry) (bottom) 2 2 0.0920.05 0.14t0.04 0.12!0.07 0.1 pCi/g (dry) Gross Alpha (top 1") 2 2 221 10 5 6.0211.3 16 pCi/g (dry) (bottom) 2 2 3!1 13!6 8.0114.! 17 pCi/g (dry) Distant Sr-89 (top 1") 4 0 <0.06 <0.08 < 0.07 - pCi/g (dry) Location (bottom) 4 0 <0.05 <0.1 <0.08 - pCi/g (dry) (3A & 5) Sr-90 (top 1") 4 4 0.16!0.04 0.51!0.05 0.28!0.31 0.6 pCi/g (dry) (bottom) 4 4 0.14!0.04 0.26i0.05 0.1920.10 0.4 pCi/g (dry) Gross Alpha (top 1") 4 2 <0.9 6t4 3.024.4 21 pCi/g (dry) (bottom) 4 4 1.1!O.9 16.6 6.5!13.3 26 pCi/g (dry) N* All results above the MDL are quoted with a two sigma counting error. ( . ., CN *

• A two sigma deviation of the data is included with each mean. No value is given when only one result appears.

W

       *** A two sigma deviation of the data is included with each mean. A dash indicates that this analysis was not performed during N           the pre-operational period. Pre-op mean was calculated using pre-operational data where the minimum detectable levels were t,a         the same as those in 1974 N

(1) Results reported in pCi/g (wet) are calculated using the prepared sample weight before drying.

TABLE V

SUMMARY

OF GAMMA SPECTROMETRY

                                               # OF               # OF SAMPLES SAMPLES  NUCLIDES    WITH NUCLIDE     PERIOD

• PERIOD
• PERIOD ** PRE-0P*** UNITS SAMPLE TYPE ANALY7ED FOUND DETECTE0 MINIMJM MAXIMUM MEAN MEAN Surface Water - Peter.tially Affected Stations (1Q, 4F, 4G,13A,13B, - Grab)

(ILL, 4L - Composite) (Soluble - Grab) 49 Co-60 1 - 1.3!0.7 1.3 - pCi/1 (Soluble - Composite) 22 None Surface Water - Unaffected Stations (6A - Grab) (6I - Composite) (Soluble - Grab) 12 None (Soluble - Composite) 11 None Discharge Water - Potentially Affected Stations (IM, IT - Grab) (1Hi - Composite) (Soluble - Grab) 24 None (Soluble - Composite) 12 Mn-54 1 - 0.720.6 0.7 - pCi/l Mcipitation - On-site Station (IA - Composite) 8 Be-7 4 1324 40 5 22224 - pCi/l Zr-95 1 - 2.2 0.8 2.2 - pCi/l Nb-95 2 1.120.5 1.4 0.8 1.320.4 - pCi/l g Ru-103 1 - 21 2 21 - pC1/1 g Ru-106 3 54 96 6.324.6 - pCi/l U Sb-125 1 - 21 2 - pCi/l I-131 1 - 23 3 23 - pCi/l Cs-137 3 0.720.4 2.9t0.6 2.0 2.3 - pCi/l N Boca-140 1 - 17 2 17 - pCi/l Ce-141 1 - 61 6 - pCi/l U Ce-144 3 32 14 2 8.0 11.1 - pCi/l Q Ra-226 1 - 41 4 - pCi/l Precioitation - Distant Station (8 - Composite) 8 Be-7 5 11 5 150 120 491116 - pCi/l K-40 1 - 19 8 19 - pCi/l Co-60 1 - 1.2 0.8 1.2 - pCi/l M M M M M M M M M MW W W @W WW WW WWW

mm e m e e e e M m M e mWWW m m e e e m TABLE V(cont.)

SUMMARY

OF GAMMA SPECTROMETRY

                                            # OF                 # OF SAMPLES SAMPLES   NUCLIDES    WITH NUCLIDE     PERIOD

• PERIOD
• PERIOD ** PRE-0P*** UNIT SAMPLE TYPE ANALYZED FOUND DETECTED MINIMUM MAXIMUM MEAN MEAN Precipitation - Distant Station (cont.)

(8 - Composite) 8 Zr-95 2 22 2.2 0.8 2.1 0.3 - pCi/l Nb-95 3 21 11 10 5.0 10.3 - pCi/l Ru-103 1 - 27 3 27 - pCi/l Ru-106 1 - 726 7 - pCi/l Sb-125 2 4!2 54 4.5 1.4 - pCi/l I-131 1 - 27 3 27 - pCi/1 1-132 1 - 0.4 0.4 0.4 - pC1/1 Cs-137 3 21 31 2.4 1.1 - pC1/1 Bala-140 1 - 23 2 23 - pCi/l Ce-141 1 - 7.7 7.7 - pCi/l Ce-144 2 6t2 10 5 8.0t5.7 - pCi/l Ra-226 1 - 521 5 - pCi/l Th-232 1 - 51 5 - pCi/1 Air Particulates - Weather Station #1 (1Z) 12 Be-7 12 57 14 140t.4 i 85 54 - 10- pCi/m3 Mn-54 1 - 1.0 0.7 1.0 - 10- pCi/m 3 Zr-95 4 21 711 3.8 4.4 - 10 pCi/m Nb-95 6 3.0 0.8 81 4.924.2 - 10- pCi/m 33 Ru-103 2 81 30 3 19!31 - 10- pCi/m 3 Ru-106 6 95 31 13 20 17 - 10pCi/m 3 Sb-125 4 11 84 4.0 5.9 - 10 pCi/m 3 I-131 2 11 24 2 13133 - 10-Te-132 1 - 4.810.6 4.8 - 10- pCi/m3 Cs-137 12 11 82 3.1 4.3 - 10- pC1/m pCi/m 3 3 Bala-140 2 41 33 3 19 41 - 10-iJ Ce-141 3 0.9 0.7 21 2 9 21 - 10- pCi/m 3 a Ce-144 10 44 83 8 33249 - 10- pCi/m pCi/m 3 t.; Milk - Near Farm w (J) N K-40 4 970197 1800 130 1300 700 - pC1/1 va Cs-137 4 3.0 1.1 81 4.8 4.7 - pCi/l Soil - On-site Location (2) (Top 1") 2 Be-7 1 - 0.5 0.3 0.5 - pCi/g(dry) K-40 2 5.8i0.6 19 2 12 19 19 7 pCi/g(dry) Mn-54 2 0.02 0.01 0.03 0.02 0.03 0.02 - pCi/g(dry)

TABLE V (cont.) Slf1 MARY OF rMMA SPECTROMETRY d 0F # OF SAMPLES SAMPLES NUCLIDES WITH NUCLIDE PERIOD

• PERIOD
• PERIOD ** PRE-0P*** UNITS SAMPLE TYPE ANALY7ED FOUND DETECTED MINIHlM MAXIMIIM MEAN MEAN Soil - On-site Location pont.)

(2) Zr-95 1 - 0.12 0.04 0.12 - pCi/g(dry) Nb-95 1 - 0.16+0.03 0.16 - pCi/g(dry) Ru-103 1 - 0.16 0.03 0.16 - pCi/g(dry) Ru-106 1 - 0.5 0.2 0.5 - pCi/g(dry) Sb-125 2 0.10 0.07 0.20 0.05 0.1520.14 0.4t0.1 pCi/g(dry) Cs-137 2 2.3 0.2 4.6 0.5 3.5 3.3 2.3 5.6 pCi/g(dry) Ce-141 1 - 0.12 0.03 0.12 - pCi/ g(dry) Ce-144 2 0.2010.08 0.7 0.1 0.45!0.71 - pCi/g(dry) Ra-226 2 0.57 0.06 1.1 0.1 0.84 0.75 1.0 0.2 pCi/g(dry) Th-232 2 0.54 0.08 1.3 0.1 0.92 1.07 1.2 0.4 pCi/g(dry) (Bottom) 2 K-40 2 12 1 2222 17 14 23 5 pCi/g(dry) Zr-95 1 - 0.05 0.04 0.05 - pCi/g(dry) Ru-103 1 - 0.05 0.02 0.05 - pCi/g ) Cs-137 2 0.64 0.06 1.0 0.1 0.82 0.51 1.113.5 pCi/g ) Ce-144 1 - 0.1 0.1 0.1 - pCi/g ) Ra-226 2 1.1 0.1 1.2 0.1 1.2 0.1 1.420.5 pCi/g(dry) Th-232 2 1.0!0.1 1.5 0.1 1.3 0.7 1.6 1.5 pCi/g(dry) Soil - Distant Location TIA a 5) (Top 1") pg 4 K-40 4 16 2 26 3 21 8 21 4 pCi/g(dry) t a Zr-95 2 0.03io.03 0.05 0.04 0.040 0.028 - pCi/g(dry)

                                   'a                  Cs-137              4         1.020.1    1.410.1     1.2 0.4    0.6i0.8   pCi/g(dry)
                                   '"                  Ce-141              1            -

0.03 0.02 0.03 - pCi/g(dry) Ce-144 3 0.17 0.08 0.2410.09 0.20 0.07 - pCi/g(dry) Ra-226 4 1.1 0.1 1.220.1 1.2 0.1 0.8 0.9 pCi/g(dry) rJ Th-232 4 1.2 0.1 1.5 0.1 1.4 0.3 1.0 1.2 pC1/g(dry) _~. (Bottom) C 4 K-40 4 19 2 26 3 22 7 21 26 pCi/g(dry) Cs-137 4 0.35 0.04 1.1 0.1 0.66 0.63 0.2 0.2 pCi/g(dry) Ra-226 4 1.0 0.1 1.3 0.1 1.210.3 0.9 1.0 pCi/g(dry) Th-232 4 1.2 0.2 1.6 0.2 1.410.3 0.9 1.1 pCi/g(dry)

• All results above the MDL are quoted with a two sigma counting error.

    **    MDL values are not included. Period nean was calculated using only positive values for the nuclides listed.
    ***   Pre-op mean was calculated using only positive pre-operational values and not MDLs for the nuclides listed.

M M W W 6 6 6 6 W W 6 6 6 6 W W WWWWWm

M M M M M M M M M M M M M M M M M M M M TABLE VI

SUMMARY

OF AMBIENT DOSIMETRY PHCGaAM STANDAaD MONTHLY EQUIVALENT AVERAGE DOSE PERIOD PR E-O P ( 1) SA M PLE NO. OF SAMPLES PEaIOD PERIOD M EA N MEAN TYPE L OC AT IO N ANALYZED MINIMUM MAIIMUM i 2 SIGMA t 2 SIGMA UNITS MO NT H LY SITE 519 3.49 2 0.25 9.54 1 0.64 6.56,t 2.49 5.05 t 2.05 MRAD /STO. MONTH MIDDLE BING 707 3.96 i 0.31 9.05 1 0.73 6.72 1 2.24 5.70 t 1.97 MRAD /STD. MONTH ODTER RIN3 320 4.09 i 0.89 9.29 i 0.42 6.81 t 2.27 5.89 1 1.37 MRAD /STD. MONTH QUABTERLY SITE 168 3.32 1 0.41 8.27 1 0.21 5.99 1 2.40 5.14 i 1.60 MBAD/STD. MONTH MIDDLE BING 228 3.97 i 0.43 8.04 t 0.48 6.25 1 2.06 5.07 1 1.25 MBAD/STD. MONTH OUTER RIN3 100 4.63 t 0.34 8.08 1 0.36 6.37 1 2.00 5.44 t 1.70 MRAD /STD. MONTH (1) THE PRE-OPTION AL ME AN W AS C ALCULATED FB05 TLD HEADINGS 1-07-73 TO 8-05-73. STATIONS 15, 31 AND J2 WERE ADD ED TO THE PROGR AM 7-06-73 ANJ ST ATIONS 33A, 3d WERE NOT IN THE PHE-OPERATIONAL Ph0JRAM. SITE BOUNDARY RING STATIONS- la, 1C, 1D, IE, IF, 1G, 1H, 1J, IL, IM, 2 MIDDLE RING ST ATION S - 3A, 4K, 5, 6 D , 14 , 15, 17, 22, 23, 26, 27, 31, 32, 33A, 38 OUTER RING STATIONS - 128, 16, 18, 19, 20, 21B, 24 N

                                 'A CrJ G

N 4s

1AaLe VII AN4LfflCAL DATA Fod SusPACE W AT Eli Ga A S SA.1PLES C0hC 4JT3 ATI C N ( PC/ L) STAIION COL LECi'IO N 3. ALPHA 0. ALPHA 3.DETA G.dEIA A.H3 CODE DATE 3JLUBLE INSJLUJLZ SOLUBLE INSULUJLE TUTAL la 78 01/07 1. 9 i .4 < .3 80 1 60 02/04 1.d t .4 2. 5 t .4 < 80 33/J5 2.0 t .4 .3 2 .3 130 1 80 04/01 1. 8 i .4 1. 4 1 .4 < 8) 05/09 1. 8 i .4 1. 2 1 .3 < 80 06/03 <.3 .3 i .3 <dJ 07/02 2.5 t .4 .5 * .3 150 t 80 Ju/J3 2. 5 1 .5 2 1 1 80 t 60 09/03 1.3 2 .5 < .3 83 i 70 1J/01 2. 6 i .4 .3 2 .3 130 2 70 11/J5 .4 1 .4 5. 4 2 .6 200 2 70 12/02 3.1 t .5 .7 .3 140 t 70 4F 73 01/07 < .5 < 4 2. 4 1 .4 1. 5 2 .4 32/J4 < .6 < .5 2. 3 t .4 6. 9 1 .6 03/Ji < 2 7 1 2 1. 6 t .4 12.3 1 .8 350 t 80 04/01 <.3 .8 .4 2.6 1 .5 3.4 2 .5 05/Qu < .4 5 1 2 1. 7 i 4 10.2 1 .7 Ju/03 < .5 < .2 1.3 i .4 2.9 1 .4 < 70 07/02 < .4 < .2 2.1 1 4 .7 i .3 ud/Ji <.5 < 5 2. 4 * .4 25 t 2 09/J3 < .4 .a 2 .5 2. 3 i .5 2. 2 1 .4 10 t 70 10/01 3 1 1 ( .5 2. 5 1 .4 4. 2 i .3 11/JS 3 1 1 < .2 4.3 2 .5 2. 3 * .5 12/02 < .b 1.4 t .5 2.7 i .5 3. 0 t .5 120 t 70

          *J         73 01/07                                                           1.d            2  .4              < .3 J2/J4                                                       1. 8           i  .4    2.0           t .4 J3/05                                                       1.7            t .4     .4            1 .3 04/01                                                       2. J           t .4     1. 6          2  .4 05/Jo                                                       2.0            t .4     1. 2          1 .3 d6/03                                                       1. 4           i .4     .3            1 .3 07/J2                                                       2.1            1 .4              <    .3 03/03                                                       2.7            t .5              < 1 09/J3                                                       1. A           1 .5               <.3 N                          10/01                                                       4.1            t .5     .4            1 .3 ta                         11/J5                                                                 <    .3       4. 8             .6 t,a                        12/02                                                       2.0            t .5     .o            i .3 t,a        78 J1/J7                   < .09         .4             2 .3       3.0            t .5              < .3 J2/J4               < .-2            4           1 2        1. 3           i  .4    7.5           t  .6 Pd                       03/JS               < 2           .2             2 . '      1. 9           2 .4     .5            t  .3  170           t 80 J'                       d4/J1               s.3                     <      4        2. 2           i .4     2. 5          1  .5 N                       05/ 06        .7      2 .5                  <    .2         1. 3              .4    .7            i  .3 Ou/J3               <.5                     <    .1         1.3            i  .4    .4            *  .3  140           t 70 07/J2               <.4                     <    .2         4.2            i    4            <    .3 Go/05               < .d                    <      1        2.1            i  .4      5           1 2 W   W  W         W          W           W        W       W       W               W    W             W          W    W             W  W                   W W W

M M M M m m e e M M M M M M M M M e m M W IAJL4 VII Ccnt. A:s ALifICA L J AI A FGd SURFAC4 WATER GEAb S AMPLES CONCENTh ATION (PC/L) ST AIIUM COLLdCrl)d J. ALPHA J. ALPHA G. L E T A G.EETA A.H3 C O3 E DATE JOLUBLE IN30 LULLS SOLUBLE INSOLUDLE TOTAL 6A 76 09/J3 1. 4 i .d < .2 2.8 t .5 4 *.3 < 70 10/01 <.3 < .2 3. 4 i .5 < .3 11/05 <.7 < .1 .8 t .4 1. 8 i .4 12/02 <.6 < .1 2.4 i .5 .3 2 .3 30 2 70 13A 73 01/07 2.5 t .4 < .3 02/05 1.5 2 .4 .5 1 .3 0J/05 1. 5 i .4 .3 2 .3 140 i 80 04/01 2. 2 t .4 17.9 1 .9 05/0a 1. 9 i .4 .9 1 .3 O c/ 0 3 1.1 i .4 1.1 i .4 110 1 70 07/02 2. 5 t .4 .6 t .3 08/05 2. 7 2 .5 2 2 1 09/03 2. 5 t .5 1. 8 2 .4 310 2 80 10/01 2. 5 t .4 .8 2 .3 11/05 .4 2 .4 2. 2 2 .5 12/02 3. 5 t .5 .3 * .3 130 1 70 fJ 135 78 05/13 1. 5 i .4 2.7 2 .4 < 60

w. 4

   %3 N

L%

I A BL E VIII ANALYr1 CAL DATA F0h SuaFACE W ATEE COMPOSIT' GAMPLES CONCE.NTRATICN (PC/ L) STATION CO L LE CTIO N G.ALPdA G. ALPHA G.3 ETA G. BETA A.H3 CODE PERIUD SOLU 3Ld INSOLUBLE SOLUBLE INSCLUBLE TOTAL ILL 78 01/16-02/03 1.7 i .4 4.2 i.5 150 1 80 02/03-02/13 (1) (1) (1) 02/13-03/03 1.3 i .4 .5 t .3 120 1 80 03/03-03/31 2.5 i .5 3.1 i .5 < 80 03/J 1 -0 5/0 5 1. 5 i .4 1.7 i .4 < 80 05/05-06/02 1. 7 i .4 1. 2 i .4 < 83 06/02-06/3] 2.2 i .4 .6 1 .3 240 i 80 Ob/30-Od/J4 2.4 i .5 < 1 90 2 60 08/04-09/01 2.1 i .5 .5 i .3 < 70 09/01-09/2) 2.6 i .4 .8 t .3 110 1 TO 09/29-11/03 < .4 2.4 i .5 100 1 70 11/03-12/01 2.2 i .5 .5 i.3 90 i 70 12/01-J1/05 2.1 i .5 <.4 140 1 70 4L 78 01/07-02/0'4 < .5 1. 6 i .8 2. 0 i .4 4.6 i .5 < 8J 02/04-03/05 < 1 .4 t .3 1. 3 i .4 1.5 i .4 150 t 80 03/05-0 4/J 1 < .4 .6 i .4 2.4 t .5 1.9 i.4 170 1 80 04/01-05/06 < .4 .8 i .6 2.0 i .4 3. 6 i .5 < 80 05/06-06/03 < .5 .2 2 .2 1.2 i .4 1.2 i .4 < 80 06/03-08/24 (2) (2) (2) (2) (2) 08/24-09/03 < .4 <.2 1.9 i .5 .4 i .3 < 70 09/03-10/J1 < .4 <.2 2.8 i .4 .4 i .3 140 t 70 10/01-11/05 < .7 < .1 .7 1 .4 1.7 i .4 130 1 70 11/05-12/02 < .7 <.2 2.4 i .5 .6 i .3 100 1 70 12/02-01/06 < .5 <.2 1. 8 i.4 < .4 160 1 70 61 78 01/07-01/22 < .5 < .1 1. 5 i .4 < .3 180 i 80 01/22-03/11 (3) (3) (3) (3) (3) 03/11-04/01 < .4 <.2 2.6 i .5 < .3 110 1 80 04/01-05/06 .5 i.4 <.2 1.8 i .4 .7 i .3 < 80 05/0o-06/03 < .6 < .1 1.4 i .4 1.9 i .4 < 80 06/03-06/10 (4) (4) (4) (4) (4) rsJ 06/10-07/02 < .5 <.2 2.2 i .4 < .3 200 i 80

      .a                               07/02-08/05         < .7                     <     1         2.2            i .4       1          1 1     80             1  60 t,a                                 08/05-09/03 .7         i .6                  <.2             2.5            i .5   .5             1 .3    70             i  70 so                                 09/03-10/01 1.1        i .7                  <.2             2.7            i .4              < .3        90             1  70 10/01-11/J5         <.6                     < .1                        < .3       2.3            i .5     120           1  70 p.g                                 11/05-12/02         < .7                    < .1             2. 7           i.5               < .3         110           t  70 as                                  12/02-01/05         <.4                      <.3             1.7            i  .4  .5             i .4     110           1  70 4"

(1) No sample collected from 2/3-2/13 due to a sampler malfunction. (2) No sample collected from 6/3-8/24 due to a sampler malfunction. (3) No sample collected from 1/22-3/11 due to a sampler malfunction. (4) No sample collected from 6/3-6/10 due to a sampler malfunction. m m m m m m m m m M W W W W m m m e e m e

W W m M M M m M M M M M M M M M M M M M M W TABLE IX 1978 ANNUAL MEAN RADIOACTIVITY CONCENTRATION IN SURFACE WATER RESULTS IN UNITS OF pC1/1 ! 2 S7 $\ Aqueous Tritium Gross Alpha Gross Beta Env. Station Total No. Sample Soluble Insoluble Soluble Insoluble GRAB SAMPLES IQ 110!80 - - 1.9!1.7 1.3t3.0 4F - 1.012.1 1.8!4.8 2.4!1.5 6.3!13.9 4G - - - 2.0!1.8 1.1!2.6 6A - 0.69 1.06 0.59!2.20 2.111.4 1.7!4.6 13A - - - 2.1!1.7 2.4!9.9 13B <60 - - 1.5 2.7 COMPOSITE SAMPLES ILL 110t90 - - 1.9!1.2 1.4t2.4 4L 120!80 <0.55 0.4510.92 1.9tl.3 1.7!2.8 N 61 110 80 0.61!0.39 <0.25 2.0!1.5 0.76!1.40 t,.i l'd QUARTERLY COMPOSITE N

n. 4F 150 270 ty, 6A 120!100 13A 170!190

TABLE X CONCENTRATIONS OF GAM"A EMITTERS

• IN SURFACE WATER Results in Units of PCi/l ! 2 signa GRAB SAMPLES Sampling Dates Env.

Station RMC No. Designation 1-07-78 2-04-78 3-05-78 4-01-78 5-06-78 6-03-78 7-02-78 8-05-78 9-03-78 10-01-78 11-05-78 12-02-78 IQ PB-SW A-6S3 All<MDL All<MDL A11<MDL Co-60(1.1 0.7)All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All(MDL All < MDL Others <MDL 4F PB-SW A-14 F2 All<MDL Allo 0L All<MDL AlldDL All<MDL All<MDL All(MDL All<MDL All<MDL All<MDL All <MDL AllOUL 4G PB-5W A-14 F3 All<MDL All<MDL All<MDL All<MDL A11<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL 6A PB-SW A-33 F1 All<MDL All<MDL All<MDL All<MDL All<MDL Al1<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL 13A PB-SWA-11C1 All<MDL All <MDLII) All<MDL All<MDL All<MDL All<MDL Al l < MDL All<MDL All<MDL All(MDL All<MDL All<MDL 13B PB-SW A-11C2 All<MDL( } COMPOSITE SAMPLES Sampling Period Env. 1-07-78 2-04-78 3-05-78 4-01-78 5-06-78 6-03-78 7-02-78 8-05-78 9-03-78 10-01-78 11-05-78 12-02-78 Station RMC to to to to to to to to to to to to No. Designation 2-04-78 3-05-78 4-01-78 5-06-78 6-03-78 7-02-78 8-05-78 9-03-78 10-01-78 11-05-78 12-02-78 1-06-79 ILLI ) PB-SWA-6S4 All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL fil<MDL Al l < MDL All<MDL All<MDL All<MDL N t,a 4L PB-SWA-14F5 All<MDL All<MDL All<MDL A1100L All<MDL (4) (4) A11 <MDL(4) A11(MDL All<MDL Al l < MDL All<MDL

                                       )             All<MDL    All<MDL      All<MDL                              All<MDL   All<MDL              All<MDL     All<MDL 61      PB-SW A-33 F4  All<MDL        (5)                                              (6)       A11<MDL                          A11<MDL N

• For typical mininum detectable levels of nuclides searched for and not found, see table ALI.

.;5  (1) ?,ampling date for station 13A was 2-05-78.
&    (2) Sampling date for station 13B was 5-13-78 (3) Sampling dates for station ILL were 1/16-2/3, 2/13-3/3, 3/3-3/31, 3/31-5/5, 5/5-6/2, 6/2-6/30, 6/30-8/4, 8/4-9/1, 9/1-9/29, 9/?9-11/3, 11/3-12/1, 12/1-1/5.

(4) No sample sent due to sampler malfunction from 6/3-8/24 (5) Sampling dates for station 61 were 1/7-1/22 and 3/11-4/1 due to a sampler nalfunction from 1/22-3/11. (6) Insufficient sample size due to sampler nalfunction from 6/3-6/10 and 6/17-6/24. M M M M M M M M M M M M M M M M M M M M M M

I . I I I I I TABLd XI ANALYTICAL DATA F0h DISCHARGE W ATER 3R AB S AMPLES C3NCENTaATION (PC/L) I STATION CODE CO LLE CTIO N DATE G. BETA SOLUBLE G. BETA INSO LU B LE A.H3 TOTAL I -------------------.8 1M 78 01/07 1 i .4 i.4

                                                             <   .3
                                                                                     < 60
                                                                                     < 80 02/ 04      2.0                      3.0           1. 5 I              03/05 04/01

1. 9

2. 2

1. 3 i

i.4

                                              .4   .4 2.2

1. 3 i.5 200

                                                                                     < 80 1 80 05/06                      i .4      .6            i.3                 < 80 06/03       1. 8           i     .4   1.1             .4               < SO 1              07/02       2. 6           i    .4    1.0          1 .4      380           i 80 08/05       2. 5           i .5         3          11        130           1 50 I              09/ 03 10/01 11/05

2. 2

2. 6

                          .7 i .5 i

i

                                              .4
                                               .4 1.1 2.3
                                                             < .3 2 .3 1 .5 190 110 310 1 70 1 70 1 70 12/02      2. 2           i .5       1.1          i .4       130          t 70 1r    78   01/07       2. 2           i    .4             < .3 I              02/04 03/05

2. 3

1. 7 i .4 1 .4 3.1

                                                             < .3 1 .5 04/01       2.1            i     .4  3.5           1. 5 I              05/06 06/03

1. 3

1. 9

2. 0 i

i

                                               .4
                                              .4
                                                   .7
                                                   .6 1.3

1. 3 i.3 07/ 02 i .4 .9 08/05 2. 2 I 09/ 03 1. 8

2. 3 i .4 i .5 .5 4 1 2

1. 4 10/01 i .4 .8 1. 3 I 11/05 12/02

                          .6

1. 7 i

i .4

                                               .4   2.6 4.0 1 .5

1. 5 1

2 " 1 247 I I I I

I I I I TA dL E XII ANALYTICAL DATA FOR DIS cil ARGE W AT ER COMPOSITE S AMPLES CONCENTRATION (PC/L) I STATION CO LLECTIO N G.3EfA G.BEIA A.H3 g CODE PERIOD SOLUBLE I N S OLU BLE TOTAL l InM 78 01/01-02/03 1.6 i.4 10.6 1 .7 170 1 80 g 02/03-02/2'4 1.6 i.4 .5 i .3 240 1 80 5 02/24-03/10 (1) (1) (1) 03/10-03/31 2.6 i .5 1. 9 i .4 240 1 80 a 03/31-05/05 1.0 i .4 3. 6 i .5 < 80 g 05/05-06/02 1.4 i .4 2.1 i .4 < 80 06/02-06/30 1.7 i.4 1.3 i 4 510 1 80 g 06/30-08/04 2.5 i .5 < 1 100 1 50 5 08/04-09/01 1.9 i .5 1.7 i.4 < 70 09/01-09/15 2.7 i .4 .9 i .3 190 1 70 g 09/15-09/29 (2) (2) (2) 5 09/29-11/03 1.3 i .4 2.7 i .5 160 1 70 11/03-11/09 2.2 i.5 .4 i .3 300 1 70 g 11/09-12/12 (3) (3) (3) g 12/12-01/05 1.6 i .4 <.4 < 70 (1) No sample collected from 2/24-3/10 due to a sampler malfunction. (2) No sample collected from 9/15-9/29 due to a sampler malfunction. (3) No sample collected from 11/9-12/12 due to a sampler malfunction. I n w 243 I I I I i

W W W W m m m m m W m W W W W W W W W m m m TABLE XIII 1978 ANNUAL MEAN RADIOACTIVITY CONCENTRATION IN DISCHARGE WATER RESULTS IN UNITS OF pC1/1 2 SIGMA Aqueous Tritium Gross Beta Env. Station No. Total Sample , Soluble Insoluble GRAB SAMPLES IM 150t200 2.0 1.1 1.422.0 1T - 1.8!1.0 1.8!3.0 COMPOSITE SAMPLE IMM 180!260 1.8!1.1 2.3!5.6 r.) s -J

     %.)

N U.

TABLE XIV CONCENTRATIONS OF rMA EMITTERS

• IN DISCHARGE WATER Results in Units of pCi/l t 2 signa GRAR SAMPLES Sampling Dates Env.

Station RMC No. Designation 1-07-78 2-04-78 3-05-78 4-01-78 5-06-78 6-03-78 7-02-78 8-05-78 9-03-78 10-01-78 11-05-78 12-02-78 IM PB-DWA-1352 All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL All<MDL A11<MDL All<MDL All<MDL All<MDL IT P3-DWA-1353 All<MDL All<MDL All<MDL All<MDL All<MDL A11<MDL A11<MDL All<MDL All<MDL All<MDL All<MDL All<MDL COMPOSITE SAMPLES Sampling Period Env. 1-01-78 2-03-78 3-10-78 3-31-78 5-05-78 6-02-78 6-30-78 8-04-78 9-01-78 9-29-78 11-03-78 12-12-78 Station RMC to to to to to to to to to to to to No. Designation 2-03-78 2-24-78 3-31-78 5-05-78 6-02-78 6-30-78 8-04-78 9-01-78 9-15-78 11-03-78 11-09-78 1-05-78 IMM PB-DWA-1052 A11 <MDL All<MDL(I)All<MDL All<MDL All<MDL Mn-54 (0.7 0.6)(2) All<MDL All<MDL All<MDLI )All<MDL All<MDL(4) All<MDL Others <MDL For typical minimum detectable levels of nuclides searched for and not found, see table XLI. N *(1)

,g          No sample from 02/24 to 03/10 due to sampler malfunction.

Sampler was out of service from 06/27 to 06/28. g (3) ( 2) No sample from 09/15 to 09/29 due to sampler malfunction. C. (4) No sample from 11/09 to 12/12 due to sampler nalfunction. N Ln CD m M M M M M M M M W W W W M M M W W W W W

I I I TABLE XV ANALYTICAL DATA FOR W ELL W ATER SAMPLES C3NCENTRATION (PC/L) SFATION COLL ECTIO N 3. BETA G. BETA A.H3 CODE DATE SOLUBLE INSOLUBLE I 10 78 01/07 .6 i .3 .8 i .3 02/04 .6 i .3 .4 1 .3 I 03/05 04/01

                               <.3
                               < .3
                                        .5       i .3
                                               <.3 240      1 80 05/06            <.3      .5       i .3 06/ 03     1. 6    i .4   .d       i .3    90       1 70 07/02            <.3             <.3 08/05            < .3       3      i 1 09/03            <.4      1. 3     i  .4         < 70 10/01            <.3      .9       i  .3 11/ 05     .3      1. 4          <.3 12/02            <.4      1. 0     i  .4   100      1 70 1V    78   01/07      .6      i .3          <.3 I              02/04 03/05
                         .7      i .3
                               < .3     .3
                                               <.3 i .3    210      1 80 04/01      .4      i .3          <.3 I              05/ 06 06/ 03
                         .8      i .4
                               < .3
                                        .9
                                        .4 i

i

                                                    .4
                                                    .3   110      1 70 07/02            < .3     .3       i .3 I              08/05 09/03
                               <.3
                               < .4     .6 2      i 1 i  .4         < 70 IC/01            < .3            <.3 I              11/05 12/02
                               < .4
                               <.4      .3
                                               <.3 i .3    110       1 70 I    7    78   01/07 04/01

2. 2

1. 4 i.4 i .4

                                               <.3
                                               <.3 60 80 07/03      2.1     i .4          <.3             <  80 10/01      1. 4    i .4          ( .3            <  60 40    78   01/07      .3      i.3    .d       i .3    70       1   60 I              04/01 07/ 02
                         .3
                         .5 i  .4 i .3
                                        .5
                                        .3 i  .3 i .3 140 450      1 1   80 80 10/01      .3      i .3    1. 3    i .3    190       1   70
                                                                ,c, I                                                       m> .)
                                                       -    ,   L, J l I

I

TABLE XVI 1978 MEAN CONCENTRATION OF AQUEOUS TRITIUM IN WELL WATER BY QUARTER RESULTS IN UNITS OF pCi/1 ! 2 SIGMA Env. Collection Period Station No. 1/7-3/5 4/1-6/3 7/2-9/3 10/1-12/2 ON-SITE WELLS IU 230!40 100!30 <70 110210

        & IV N

t .J

t. J

       .O rJ LM N

W W W W W M M M M M M W W MM M M M M e m M

W W W W W W W m W M M M M M M M MM M M M M TABLE XVII 1978 ANNUAL MEAN RADIOACTIVITY CONCENTRATION IN WELL WATER RESULTS IN UNITS OF pCi/1 2 SIGMA Env. Aqueous Tritium Cross Beta Station No. Total Sample Solubic Insoluble ON-SITE WELLS IU 130!160 0.5210.76 0.84tl.50 IV 130!120 0.43!0.34 0.53tl.00 SITE AREA WELLS 40 210t330 0.75!0.35 0.73 0.87 DISTANT WELLS rN? 7 <73 1.8!0.9 <0.3 ta LJ

 %)

N Ln U

I I I TABLE XVIII g Aii ALY IIJA L DifA FOR P RE CI PI T A TI Uis S AM PLE S g C3 NC EJ fn AT ION (PC/L) I STATION COLLECfl0N VOLUdE g CODS pea 10D (M L) G.JETA A. H3 3 1A 78 01/07-02/04 3790 23 1 2 g 02/04-03/03 240 132 1 5 5 01/07-04/01 7610 < 80 03/05-04/01 40 2J 325 1 8 g 04/01-05/05 1150 92 1 4 l OS/06-Oo/03 3840 56 1 3 0 4/ 01-0 7/J2 7870 120 1 80 g 0 6/03-0 7/JJ 238J 33 1 2 5 07/02-06/05 3900 28 1 2 0 8/05-0 9/J 3 2150 7 1 2 g 07/02-10/01 7250 100 1 70 5 09/03-1J/01 1200 10 1 2 10/ 01- 1 1/J 5 930 8 1 2 g 11/05-12/02 1880 8 1 2 g 10/01-01/06 7d60 100 1 70 12/ u 2 -01/0 5 505J 4 1 1 8 78 01/07-02/05 4J30 lb i 2 02/05-03/05 160 54 1 5 g 01/07-04/01 3000 < 80 5 OJ/ 05-0 4/01 3600 307 1 7 04/01-J5/J5 125] 93 1 4 g 05/06-06/03 2690 59 1 3 5 0 4/ 01 -0 7/J 2 5970 < 80 06/03-07/02 2030 37 1 3 a 07/02-Od/05 3260 23 1 2 g 06/05-03/03 3050 10 1 2 07/02-10/01 6990 90 70 g O v/ 03 -10/J 1 08J 16 1 2 5 10/01-11/05 114] 8 1 2 11/05-12/J2 1785 9 1 2 g 10/01-01/06 7475 < 70 g 12/02-01/05 4S50 4 1 1 I

                                                                         ..      J) ,ck    Ld I

I I

I I TABLE XVIII Cont. I AN ALYTIC AL DATA FOR PRECIP1TATION SAMPLES CJ NC EN rd AIION (P C/S Q. M) I STATIOh CODE CO LLECTIO N PERIOD VOLUdE (M L) G. B ET A I 1A 73 01/07 -0 2/J 4 02/04-03/05 379J 240 4020 2700 980 1 300 1 40 03/05-04/01 40 3J0 1 900 04/01-05/05 3300 I 05/06-06/03 1150 3d40 2d80 6900 2900 1 1 100 400 Ob/03-0 //02 1 200 I 0 7/ 02 -0 8/J5 O d/ 05-0 9/J 3 09/03-10/01 3900 2150 1200 3400 500 380 1 300 1 100 1 60 I 10/01-11/05 11/J5-12/J2 930 1880 5050 240 500 700 1 50 1 100 12/02-01/06 1 200 8 78 01/07-J2/05 4330 2100 1 300 02/05-03/J3 160 270 1 20 03/05-04/01 3000 I 0 4/ 01 -0 5/J 5 05/0o-00/03 1250 269J 34100 t 800 358) 4900 1 300 i 155 06/03-07/J2 2J3J 2300 1 200 I 0 7/ 02-O d/JS Od/05-09/J3 3260 3050 230J i 200 900 1 200 I 09/03-10/01 10/01-11/Ji 11/05-12/02 630 11'0 1785 4 340 270 500 1 40 1 60 1 100 12/ 02 -01/J 5 4550 600 1 200 CJ:C ENTR A TIO N (NC/S Q. M) I SPAIION COLLECTIOd VOLUME I COD 4 78 t ______'EnIOD (dL) 7d10 A. H 3

                                                                           < 20 1A                  01/ 07 -0 4/J 1 04/01-07/02             7870           30          1 20 I                            07/02-10/01             725d 7d60 20 20 1 10 10/01-01/05                                        1 20 8           78     01/07-04/01             3600                   <     9 0 4 / 01 -0 7/J 2       5970                   < 10 I                            07/02-10/01 10/01-01/05 6990 7475 20
                                                                           < 20 1 10 m,,nl
                                                                                     ...)

gg-LJD I I

TABLE XIX 1978 ANNUAL MEAN RADIOACTIVITY CONCENTRATION IN PRECIPITATION Env. Station Concentration Surfage Density No. Analysis pCi/1 !2 Sicma nCi/m' !2 Sigma 1A Cross Beta 61!184 5.2!22.4 Aqueous Tritium 100t30 23!10 8 Gross Beta 53!168 4.3t19.0 Aqueous Tritium 80!16 15tl2 t .]

          .-J x 'l G

N (7 ON m m m m m m m m m m WM M M M M M M M M M M

I TABLE XX CONCENTRATIONS OF GAMMA EMITTERS IN PRECIPITATION (TOTAL SAMPLE) Results in Units of pCi/l 2 sitya I 1A PR-RWA-1151 8 PB-RWA-12F1 DATE NUCLIDES NUCLIDES 1-07-78 to 2-04-78 II) Be-7 13!4 All*<MDL I Ru-106 Cs-137 Ce-144 53 0.7 0.4 3t2 Ra-226 4t1 I 2-04-78 to 3-05-78 Others * <MDL (2) (2) I 3-05-78 to 4-01-78 Be-7 Zr-95 Nb-95 20 5 2.2!0.8 1.1 0.5 Be-7 K 40 co-60 26f6 1918 1.2 0.8 I Ru-103 Ru-106 I-131 Cs-137 21 2 524 23 3 2.4 0.7 Zr-95 Nb-95 Ru-103 Sb-125 2.2t0.8 2.120.7 27t3 524 I Bala-140 Ce-141 Ce-144 17 2 6!1 726 1-131 I-132 Cs-137 27t3 0.4 0.4 2.2 0.8 Others* (MDL Bala-140 23t2 i Ce-141 Ce-144 Ra-226 7.7 0.9 612 Sil Th-232 51 Others* <MDL 4-01-78 to 5-00-78 All* <MDL Be-7 1502120 Nb-95 11 10 Others* (MDL 5-06-78 to 6-03-78 Be-7 40 5 Be-7 46i8 Nb-95 1.410.8 Z r-95 2!2 i Ru-106 Sb-125 Cs-137 926 21 2.9 0.6 Nb-95 Ru-106 Sb-125 2t1 726 42 Ce-144 14t2 Cs-137 31 I Others * <MDL Ce-144 Others* 10t5

                                                                                      <MDL 6-03-78 to 7-02-78                                     (2)                            (2)

I 7-02-78 to 8-05-78 All*<MDL Be-7 Cs-137 11 5 21 Others* I 8-05-78 to 9-03-78 All*<mL

                                                                                      <MDL All*<MDL 9-03-78 to 10-01-78                                    (2)                            (2) 10-01-78 to 11-05-78                                    (2)                            (2) 11-05-78 to 12-02-78                              All*<MDL                          All*<MDL 12-02-78 to 1-06-79               Be-7                16 6        Be-7                1416 Othe rs *          (MDL          Others*           <MDL 9'~7'g
                                                                                             ) [

LJ

• For typical minimum detectable levels, ;ee Table XLI.

I (1 (2)) Sample period for the sample collected from station 8 was 01/07-02 As a result of the small sample size, no gama spectrometry analys/05.is was performed. I

PA3L3 XXI I ANALYIILAL DAfA F0d AIh < AnIICU LATE J A diL3J g C0hCENThATIONS OF Jh033 JLTA R Adiu ACTIVIT Y (vC 1/33 ) g Jh03d I - PEACil UdITOM SITE COLLECTION h PERIOD 12

• 78 12/31-01/07 .J98 i .003 01/07-01/15 . 074 i .00d 01/15-01/22 .080 t .009 01/22-01/28 . 11 i .01 g 01/26-02/04 .J74 i .000 5 02/04-02/12 .096 i .006 02/12-02/18 . 06 d 2 .00d 02/18-02/25 . 0d3 2 .00d 02/25-03/05 .111 i .003 03/05-03/11 .17 i .01 03/11-03/16 .083 i .006 03/18-03/25 1.53 i .03 03/25-04/01 .25 i .01 04/01-04/09 .21 i .01 04/09-04/15 . 26 i .02 04/15-04/22 .044 i .006 04/22-04/29 .17 i .01 04/29-05/06 . 18 2 .01 05/06-05/13 .060 i .007 05/13-05/20 .0dd t .00d g 05/20-05/28 .110 i .003 5 05/28-06/03 . 12 i .01 06/03-06/10 .112 i .009 g 06/10-06/17 . 15 i .01 g 06/17-06/24 . 16 i .01 06/24-07/02 .17 i .01 07/02-07/0d . 12 i .01 07/06-07/15 . 12 t .01 07/15-07/23 .110 i .00d 07/23-07/29 . 061 i .003 07/29-06/05 .039 i .000 08/05-08/11 .G52 i .007 08/11-08/19 .055 .006 08/19-08/26 .061 i .007 08/26-09/03 .050 t .006 09/03-09/10 .006 i .007 l 09/10-09/17 .043 i .006 5 09/17-03/24 .03d i .006 09/24-10/01 .04d i .000 g 10/01-10/08 . 040 i .006 3 10/08-10/14 .04S i .007 10/14-10/22 . 02 9 t .005 10/22-10/29 .046 i .006 10/29-11/05 .055 i .007 ,_,9

                                                 /~ , 3     cg3 11/05-11/12    .063 i .001 11/12-11/19    . 04 3 i .006 11/19-11/25    . 041 i .007 11/25-12/02    .041  i  .006 12/02-12/10    .041  i  .006 12/10-12/17    .04d  i  .007 12/17-12/23    .039  i  .006 12/23-12/31    .066  i  .007 AVE RAGE         116 2.414 I

WW WW W W W W W WWW WWWW WWWWWW TABLE XXII CONCENTRATIONS OF GAMMA EMITTERS IN AIR PARTICULATES Results in Units of 10~ pCi/m 2 2 sityna Monthly Composite Periods Env. RMC Station No. Designation 12-31-77 1-28-78 2-25-78 4-01-78 4-29-78 5-28-78 7-02-78 7-29-78 9-03-78 10-01-78 10-29-78 12-02-78 to to to to to to to to to to to to 1Z PB-APT-1154 1-28-78 2-25-78 4-01-78 4-29-78 5-28-78 7-02-78 7-29-78 9-03-78 10-01-78 10-29-78 12-02-78 12-31-78 Be-7 66 11 57114 110 11 110!11 140 14 110t11 91 12 74t7 62213 60t8 77110 5918 Mn-54 <0.5 <0.5 <0.6 1.0!0.7 <1 <0.7 <0.7 <0.4 <0.6 <0.6 <0.6 <0.5 Zr-95 <1 <0.9 71 321 32 21 <1 <0.7 <1 <1 <0.9 <0.9 Nb-95 31 3.110.9 811 61 6t2 3.0 0.8 (0.9 <0.6 (0.7 <0.5 <0.6 <0.5 Ru-103 <0.5 <0.4 30!3 8!! <1 <0.5 <0.7 <0.4 <0.6 <0.6 <0.6 <0.5 Ru-106 <5 <5 16 9 26t10 31!13 2227 1318 9t5 <6 <6 <5 <5 Sb-125 <1 <1 <2 3!2 84 422 <2 11 <2 <2 <2 <2 I-131 <0.4 <0.4 2422 121 <0.9 <0.5 <0.7 <0.4 <0.7 <0.5 <0.5 <0.6 Te-132 , <0.4 <0.4 4.820.6 <0.6 <0.7 <0.4 <0.6 <0.3 <0.6 <0.4 <0.5 <0.4 Cs-137 21 2.5 0.8 421 5t1 822 51 41 1.9!0.7 121 1.220.8 1.310.9 1.421.0 Bala-140 <0.9 <0.8 33 3 41 <2 <0.9 <1 <0.8 <1 <1 <1 <1 Ce-141 w <0.8 <D.8 21 2 5!2 <1 <0.5 <1 <0.5 <1 0.9t0.7 <0.8 <0.9 Ce-144 -J 29 10 27 8 43 4 50!7 83 8 44 4 40 11 1022 <4 4t2 4t4 <4 Others* (MDL <MDL <mL <mL <MDL <MDL <MDL <MDL <mL <mL <MDL <MDL N Ln W For typical minimum detectable levels of nuclides searched for and not found, see table XLI.

IAbLE XXIII AhALY11 CAL DATA FOR MILK 5 AMPLE 3 STAT 10N COLLECTIOJ 1-131 s k- d 3 Sa-9J A. :13 A.H3 CODE DAIE (PC/L OF JILK) (P2/L UP flilk) (PC/L OF !! ilk) (PC/L Of MILK) (PC/L UF dATEF) A 73 01/22 < .05 70 t 70 60 1 3J 02/12 < .J5 03/13 < .J4 03/27 4. 7 1 .; 04/03 .53 i .J 7 04/10 .16 t .J4 04/ 17 .J5 i .J3 0 /24 < .04 05/01 .17 i .J5 05/06 .J3 1 .03 05/ 15 < .J6 < 70 < dd 05/22 < .J5 05/29 < .J3 06/J5 < .J4 06/12 < .J3 Oo/19 < .03 0c/2o < .03 07/03 < .J5 07/1J < .J4 07/17 < .J4 07/24 < .05 07/31 < .04 50 2 50 60 t 5J Od/J7 < .J3 08/14 < .33 Od/21 < .J3 Od/2d < .02 09/04 < .J3 09/11 < .J6 09/18 < .J5 09/25 < .04 10/J2 < .J4 p,) 10/09 < .34 s ,a 10/10 < .J4

    ,  ," ,                                10/23        < .J5
    '3 10/3J        < .05 11/06        < .06                                                            100             2 50   123             i SJ 11/13        < .06 rs)                                  11/20        < .07

c. 11/27 < .J4 C;) 12/04 < .J3 12/11 < .03 0 7d 01/22 <.J4 200 t 70 30J i dd 02/12 < .J7 03/13 < .04 03/27 J.4 i.3 04/03 2. 7 2 .3 04/10 1. 7 1 .2 04/17 1. 3 1 .1 04/24 .54 i .06 05/01 .21 i .J5 EW M E M M MM M M MM M M M M M M M M M M

WWWWW m W 2 WWWW W W eW M W W W W W T ADLE XXIII Cont. ANALYIICAL DATA FOR MILK JAMPL4S STATION CO LLEcrIO N I-131 38-89 Sa-90 A. d 3 A. t13 CODZ OAff (PC/L Of 31Lh) (PC/L OF 11 ilk) (PC/L OF Milk) (PC/u UF MILK) (/C/L OF e ATEE) B 78 05/0d < .04 05/15 < .04 < 10 < 30 05/22 < .04 05/29 < .03 06/05 < .04 00/12 < .J3 06/19 < .33 06/2o < .03 07/03 < .34 07/10- < .04 07/17 < .05 07/24 < .J4 07/31 < .J4 < 5J < 60 Od/07 < .J3 06/14 < .03 06/21 < .J3 08/28 < .03 09/04 < .J4 09/11 < .04 09/18 < .05 09/25 < .04 1u/02 < .05 10/09 < .04 10/16 < .04 10/23 < .04 10/3J < .04 11/06 < .05 60 2 40 H0 t 5'J 11/13 < .05 11/20 < .05 11/27 < .J4 12/04 < .04 12/11 < .J3 PJ c 78 01/22 < .04 110 t 70 12J i dJ f J 02/11 < .05

   . .. a                       03/13              < .J4
  .g)                           03/27         1. 9   2 .2 04/03         .25    i .05 04/1J         .17    i .05 N                              04/17         .07    i .J3 C-                             04/24         .J4    2 .J2 05/01         .37    i .J4 05/03              < .J3 u3/15              <.J4                                                                  < 7J                 < H3 05/22         .10    i .04 05/29              < .03 06/05              < .03 06/12              < .J3 Ob/19              < .03 06/20              < .03 07/03              < .04

TABLE XXIII Cont. AhALY7IJas DATA Fud MILA SAMPLd3 STATION COLLECTS 3M I-131 sh-89 SR-90 A.d 3 A.d3 CODE oATt (PC/L Oi MILK) (PC/L JF Milk) (Pc/L Ot itilk) (dC/L OF MILK) (iC/L OF W ATEt) C 78 07/10 < .J3 07/17 <.03 07/24 < .J3 07/31 < .J3 70 1 50 7J t 63 0 d/ 07 < .03 Od/14 < .J3 06/21 < .J3 Od/2d < .03 09/04 < .03 09/11 < .J3 09/16 ( .J5 09/25 < .05 10/ 02 < .05 10/09 < .d4 10/16 < .04 10/23 < .d4 10/30 < .J5 11/0o < .J4 50 1 50 60 2 SJ 11/13 < .05 11/20 < .J6 11/27 < .04 12/04 < .J4 12/11 < .J3 D 78 01/23 < .J5 340 1 70 383 i 80 02/11 < .04 03/13 < .03 03/27 .4J t .06 04/03 .06 t .04 04/10 2.1 1 .2 04/17 1. 3 t .1 04/24 .d5 t .Jd 05/01 .5d t .06 05/0d .15 2 .J4 05/15 .12 2 .03 < 7J < 3J 05/22 < .J4 rsj 05/29 < .J4 ( .4 06/05 < .03

              #      06/12          < .J3 0b/19          < .J3
           '43       06/26          < .03 07/03          < .04
           *)s       07/10          < .03 07/17          < .04 pgj      07/24          < .04 07/31          < .04                                               < SJ             < 60 08/07          < .03 08/14          < .03 0d/21          < .03 06/2d          < .02 09/04          < .J3 E E 6 E 6                    WWW                M M M M                   MMWW                         M M M M M

M M M M W W W W W W M M M M M M M M M M M M TABLE XXIII Cont. AM ALYTIC AL DATA F0a MILA JAMPLtS ST ATION C O L L E CIIu .1 I-131 Sh-69 Sa-90 A.d 3 A. !! 3 CCDE DATd (PC/L Of MILK) (PC/L JF Milk) (PC/L of Milk) (PC/L OF MILK) (PC/L Of d ATEE) D 78 09/11 <.d4 09/1d < .07 09/25 < .04 10/02 < .04 10/09 < .04 10/16 < .04 10/23 < .d4 10/30 < .04 11/00 < .J4 < 50 < SJ 11/13 < .05 11/20 < .J5 11/27 < .04 12/04 < .04 12/11 < .d4 E 73 01/22 < .05 90 1 70 103 i dJ 05/15 < .04 < 7J < 8J 07/31 < .03 60 t 50 90 t bJ 11/J6 < .05 < 50 < 50 G 78 01/23 < .J4 390 1 70 44J t 3] 02/ 12 < .05 03/13 < .03 03/27 2. 4 i .2 04/ 03 .50 t .0d 04/10 .13 i .03 04/17 .J9 i .J 3 04/24 .11 2 .04 05/01 .31 i .J6 05/08 .13 1 .J4 uS/15 .)) i .J4 < 7J < SJ 05/22 < .J5 iJ J5/29 <.d4

                  ,    06/02               < .J4
                  ,    Oo/12               < .04
               'J 0o/19               < .04 06/20               < .05 07/03               <.J6 I' d      07/10               < .03 C         07/17               <.06                                                                                   .

r u 07/24 < .05 07/31 <.J3 < SJ < oJ Od/07 < .05 0d/14 <.04 Do/21 < .J4 Do/2d < .J4 09/ 04 < .05 09/11 < .J6 09/18 < .J6 09/25 < .05 10/02 < J5

TABLE XXIII Cont. AhALYTICAL DATA FOR MILE SA52LES STAIION CO LL ECT IJ N I-131 Sh-39 Ss-9J A.d3 A. ii 3 C OD r. JAIE (20 /L or AILK) (PC/L OF Milk) (PJ/L of Milk) (PC/L GF MILK) (/C/L OF d ATEE) J 78 10/J3 < .J5 10/16 < .05 10/23 < .J5 10/ 3J < .05 11/0b < .J5 60 1 40 70 2 SJ 11/13 .11 1 .05 11/2J < .Jo 11/27 < .J4 12/04 < .J3 12/11 < .J4 d 7d 01/2.4 < .J4 210 t 70 230 2 80 02/ 12 <.05 03/13 < .J5 03/27 .85 t .JJ 04/03 .33 i .00 04/10 .45 2 .06 04/17 .32 2 .Jd J4/24 . 7i 2 .J7 05/01 .ld 1 J5 05/0d .23 2 .d5 05/15 .J3 t .J4 < 70 < 80 05/22 < .J4 05/29 < .J4 06/05 < .J4 06/12 < .04 06/1s < .d4 06/20 < .04 J 7/ 03 < .05 07/10 < .J4 07/17 < .J5 07/24 < .J5 07/31 < .J3 o0 2 5J 70 t uJ O o/ 0 7 < .J4 Od/14 < .04 06/21 < .04 Od/2d < .J3 09/04 < .04 N 09/11 < .J5 t 'd 09/1d < .J5 LJ L9/25 < .J5 s.O 10/02 .JS 1 .JJ 10/ 0 J < .J5 g 10/16 <.J5 m IJ/23 < .J3

          '~

10/3J <.J5 D 11/00 <.J6 90 2 50 10) t bJ 11/13 .84 2 .0d 11/20 .27 2 .J3 11/27 .17 2 .J5 12/ J4 <.J4 W W W W W W W W W W W W W M M M E E M M

E E E E W W W E E E E E W W W W W W W IA3LE XXIII Cont. ANALYTILAL DATA F0n MILK SA3PLES STATION C O L L E C T10.4 I-131 Sd-89 Sa-9J A.d3 A. H J CODE DATE (PC/L OF .11LK) (PC/L vf Milk) (PC/L OF Milk) (PC/L OF MILK) (PC/L OF W ATER) li 7d 12/11 < .J4 J 7d 01/23 < .J4 < 1 5. 2 t .9 150 2 70 160 t 80 02/12 < .Jo 03/13 < .03 03/27 4. 3 i .5 04/03 J.1 i .3 04/1J .53 1 .37 04/17 .50 t .J6 04/24 .14 i .04 05/01 .d5 t .Jd OS/Od .57 2 .Jo 05/15 .37 i .0u 4 t 1 10 1 1 ( 70 < f0 05/22 .39 2 .J4 05/29 < .05 06/05 < .d4 0o/12 < .04 0o/19 < .04 06/26 < .J4 07/ 03 < .J5 07/10 < .04 07/17 < .J5 07/24 < .J6 07/31 < .05 < 1 6.1 i .9 s0 2 Su 1JJ t 6J Jo/07 < .04 Od/14 < .J4 08/21 < .04 Od/2d < .d4 09/04 < .04 09/11 < .04 09/18 < .05 09/25 < .05 I'd 10/02 .09 i .J4 10/03 < .05 I J 10/1b < .J5 L 'd 10/23 < .J7 sc) 10/30 < .05 11/06 < .J5 <2 8 1 1 < 63 < 60 pg) 11/13 .11 2 .04 11/20 < .04 11/27 < .05 kJ7 12/04 < .d4 12/11 < .04 L 78 01/22 < .04 140 1 70 150 i 60 05/15 < .d4 330 2 00 370 i 7J 07/31 ( .J4 60 i SJ 70 2 60 11/06 < .J5 30 2 50 113 1 6J M 7d 01/z2 < .04 190 1 7J 22J t 80 05/15 < .04 400 2 70 440 1 70

table XXIII Cont. AhALYTICAL JATA 203 MILK SA31LLS STAIION COLLECT 104 1-131 Sh-69 Sa-90 A.13 A. il 3 CGDE DkIE (P;/L OF SILK) (PC/L UF fiil k) (PC/L OF Mill) (PC/L GF MILK) (PC/L OF a & TEE) M 79 07,J1 < .J4 dJ t 50 IJ3 t 60 11/06 < .08 oJ t 50 90 2 6J h 7d 01/22 < .04 300 2 70 33J 80 J2/12 < .07 03/13 < .34 03/27 s.1 1 .9 04/ 03 .77 .03 G4/1J .3J t .J5 04/17 < .06 04/24 < .06 05/01 < .J4 05/0d < .J4 05/15 < .J5 420 2 70 460 t 7J 05/22 < .J4 05/29 < J4 Uo/J5 < .J4 06/12 < .J5 Oe/19 < .J4 Ob/20 < .04

                                ^ 7/ 0 3         < .JS 07/10            < .J3 07/17            < .J5 J7/24            <.J5 07/31            < .J5                                                              70            1 50   93              1 6J 06/07            < .04 0d/14            < .J4 0d/21            < .04 08/2d            < .J4 09/04            < .04 rJ                     09/11            < .04
         <a                     09/16            < .05

(~ , 09/25 < .J5 10/02 < .J5

         ' )                    10/0)            < .J4 10/ 10           < .J4 P s)                    10/2J            < .05

c. 10/30 < .05 C7N 11/06 <Jb 6J 2 00 70 2 6J 11/ 13 < .06 11/2J < .Jb 11/27 < .J5 12/J4 ( .J4 12/11 < .J5 E W W W W W W M M W W 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 XXIV 1978 MEAN CONCENTRATION OF AQUEOUS TRITIUM IN MILK BY QUARTER Results Results in Units of in Units of Farm Collection pCi/1 of Water

• pCi/l of Milk Groups Dates 2 Sigma 2 Sigma NEAR FARMS 1/23 280!290 250 250 (G.H.J) 5/15 <80 <70 7/31 80 40 70130 11/6 80!40 70 30 INTERMEDIATE FARMS (D,L,M,N) 1/22-1/23 270!210 2401190 5/15 3401350 3101320 7/31 80240 70130 11/6 80151 70130 DISTANT FARMS I ' , (A,B,C,E) 1/22 1501200 130!170 U 5/15 7/31

                                                                      <80 70!30
                                                                                                    <70 60!30 N                                     11/6                      80t60                          70t50 C

N

• The water is obtained by freeze-drying the sample.

TABLE XXV 1978 MEAN CONCENTRATION OF 10 DINE-131 IN MILK BY WEEK RESULTS IN UNITS OF pCi/1 2 SIGMA Collection Near Farms Intermediate Farms Distant Farms Date (G,H,J) (D,L,M,N) (A,B,C,E) All Farms 1/22-1/23 <0.04 <0.04 <0.05 <0.04 2/11-2/12 <0.05 <0.06 <0.06 <0.06 3/13 <0.04 <0.04 <0.04 <0.04 3/27 2.724.1 4.8t12.3 3.3 2.8 3.5*5.6 4/3 1.3t3.1 0.4221.00 1.2!2.6 1 'Jt2.3 4/10 0.4220.55 1.2!2.5 0.6811.77 0.7111.53 4/'7 0.4910.74 0.68tl.75 0.4811.43 0..i3!1.10 4x24 0.33!0.72 0.46tl.12 0.21!0.58 0.3110.68 3/1 0.58!0.49 0.3110.76 0.1520.14 0.35!0.56 5/8 0.3410.41 0.1010.16 0.0510.05 0.17 0.37 5/15 0.18!0.33 0.06 0.08 < 0.05 0.08i0.19 5/22 0.06 0.05 <0.04 0.0610.06 0.06 0.05 5/29 <0.04 <0.04 < 0.03 <0.04 6/5 <0.04 <0.04 < 0.04 <0.04 6/12 <0.04 <0.04 < 0.03 <0.04 6/19 <0.04 <0.04 < 0.03 <0.04 6/26 <0.04 <0.04 < 0.03 <0.04 7/3 <0.05 <0.05 < 0.04 <0.05 u 7/10 <0 . 04 <0.03 < 0.04 <0.04 e 7/17 <0.05 <0.05 < 0.04 <0.05 7/24 <0.05 <0. 0 5 < 0.04 <0.05 N 7/31 <0.04 <0.04 < 0.04 <0.04 G 03 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 e m- m m m m m W W W m M M M m m m TABLE XXV Cont. 1978 MEAN CONCENTRATION OF 10 DINE-131 IN MILK BY WEEK RESULTS IN UNITS OF pCi/l t 2 SIGMA Collection Near Farms Intermediate Farms Distant Farms Date (G,H.J) (D,L,M,N) (A,B,C,E) All Farms 3/7 <0.04 <0.04 <0.03 <0.04 8/14 <0.04 <0.04 <0.03 <0.04 8/21 <0.04 <0.04 <0.03 <0.04 8/28 <0.04 <0.03 <0.03 <0.03 9/4 <0.04 <0.04 <0.03 <0.04 9/11 <0.05 <0.04 <0.04 <0.05 9/18 <0.05 <0.06 <0.05 <0.05 9/25 <0.05 <0.05 <0.04 <0.05 10/2 0.06 0.05 <0.05 <0.05 0.0510.03 10/9 <0.05 <0.04 <0.04 <0.04 10/16 <0.05 <0.04 <0.04 <0.04 10/23 <0.06 <0.05 <0.04 <0.05 10/30 <0.05 <0.05 <0.05 <0.05 11/6 <0.05 <0.06 <0.05 <0.05 ['j 11/13 0.3520.84 <0.06 <0.05 0.17 0.55 L. 11/20 0.12!0.25 <0.06 <0.06 0.08 0.15 h 11/27 12/4 0.0920.14

                       <0.04
                                            <0.05
                                            <0.04
                                                                        <0.04
                                                                        <0.04 0.06!0.09
                                                                                       <0.04 N       12/11     <0.04                <0.05                       <0.03          <0.04 C

C

TABLE XXVI 1978 ANNUAL MEAN RADI0 ACTIVITY CONCENTRATION IN MILK Env. Aqueous Tritium I-131 Station pCi/1 of Water

• pCi/l of Milk No. 2 Sigma 2 Sigma pCi/1 22 Sigma NEAR FARMS G 160 370 1402330 0.14 0.75 H 120!150 110t140 0.16!0.48 J 100290 93281 0.31!1.78 INTERMEDIATE FARMS D 140t320 1301280 0.17 0.79 L 180!270 160t240 0.04!0.01 M 210t330 1901300 0.05!0.04 N 240 330 210!350 0.2922.83 DISTANT FARMS A 85!50 73!41 0.18!1.46

     ,      B                               1302230                     110!200            0.2721.44
  ,y s

C 83 53 75 50 0.09!0.58 sc) E 80!43 73254 0.04!0.02 ra sa C

• The water is obtained by freeze-drying the sample.

MM M M m W m m M M M M M M M M M M M m m m

m e e e aus e uma amm m m m m m ens m m m m m e e e TABLE XXVII CONCENTRATIONS OF GAMMA EMITTERS *, STRONTIUM-89 AND -90 IN MILK Results in Units of pCi/l 2 sigma Env. Station RMC Sampling Nuclides Found No. Des ignation Date Sr-89 S r-90 K-40 Cs-137 J PB-MLK-28A1 1-23-78 <1 5.2 0.9 1800 180 31 5-15-78 41 10 1 1300 130 81 7-31-78 <1 6.1 0.9 970 97 5.0 0.8 11-06-78 1300 130 3.0 1.1 rO

     \
        .)

NO N 2

• For typical minimum detectable leveh of nuclides searched for and not found, see table XLI.

I I I I I A r> L l; XXVIII AN4LirlC AL D Af A FJh i IS ti SAMPLES

                                 . J. ICE N TB A IION (PC/LITEh 0F W A T hit)

I SIATION CO LL EC TIO N CODE MEDIA 0ATES ID A. Il3 09/11 9703211 130 1 70 10/23 9910711 163 i 80 11 CHANNEL CATFISH 78 09/11-09/13 9703311 120 1 70 I 11/02 99108:1 210 80 4 11 AMERICAN SHAD 78 06/01-06/03 938403 < 100 I 4I CHANNEL CATFISH 78 05/09-06/06 09/19-09/27 9384211 9703511 390

                                                                                                < 100 1 70    l 10/16-11/06   9910911          180          1 80 WHITE CRAPPIE 78 05/09-06/05            9384111          100          1 100   I 09/1>  9703411          160          1 70 4J                      CHANNEL CATFISH 78                 04/10  92 3 76 Fi       180          i 30    I 05/08-06/05   9384411                   < 100 07/24  97037;i         220           1 70 11/14 9911111          160          i 60 WHITE CRAPPIE 78                 04/10  92375i1                   < d0 06/06  9384311                   < 100 07/24  97036fl         400           1 70 11/20 9911011          190          1 80 l

61i CHANNEL CATFISH 78 05/02 92377H do i 80 09/25 10/23 9703911 99112H 190 130 1 70 1 80 l WHITE CPAPPIE 78 09/25 9703811 100 1 70 l

                                                                                              ,l2           3 3     -
                                                                                     ;)       u G .)

I I

I I I I TAJLE XXVIII Cont. ANALYIICAL DATA E05 FISli S A M P1. 3 S CONCENfhATION (PC/ GRAM WET) I STATION C OD E MEDIA CO LL EC TIO N LATES ID A. fi3 1EE CHANNEL CATFISH 78 05/19 *3839H <.09 09/11 *7032H . 0,9 1 .05 10/23 *9107H .03 1 .03 IX CHANNEL CATFISH 78 09/11-09/13 *703311 .09 i .05 11/02

• 9108 tl .07 1 .03 4 11 Af1ERICAN SHAD 78 06/01-06/03 *38403 < .1 41 CHANNEL CATFISH 78 05/09-06/0o *3842ii < .1 09/19-09/27 *7035il .29 i .05 10/16-11/06 *910911 .07 i .03 I WHITE CRAPPIE 78 05/09-06/05 *3841H .2 1 .2 09/19 *7034;I .12 i .05 I 4J CHANNEL CATFISH 78 04/10 *2376:1 .15 i .07 05/08-06/0d
• 3 8 4 4 11 < .1 07/24 *703711 .20 t .06 11/14 *911111 .05 i .02 WHITE CRAPPIE 78 04/10 *2375H < .06 06/06 *3843il < .1 07/24 *7030!i .30 t .05 11/20 *911011 .09 i .04 1

6 11 CHANNEL CATFISH 78 J5/02 *2377;I .06 1 .06 I 09/25 10/23

                                                                       *7039H
                                                                       *9112;i
                                                                                      .14
                                                                                      .04 i .05
                                                                                                         .02 l                                  WHITE CRAPPIE 78               09/25 *7038H         .07           i .35 I                                                                                    v. ,               ,

L J} L' { I I I

TABLE XXIX 1978 MEAN CONCENTRATION OF AQUEOUS TRITIUM IN FISH BY QUARTER RESULTS IN UNITS OF pCi/1 0F WATER

• 1 2 SIGMA Station Collection G rouping Period Channel Catfish White Crappie 41 & 4J 4/10/78 180 <80 5/8/78-6/8/78 <100 <100 7/24/78-9/27/78 310!240 280!340 ra 10/16/78-11/20/78 170130 190

                .a s,,"b
                %J
                &J
                 'l Cu MM M M M               M  MM           M     MM          M      M M M M                M M M M M M

WWWW WW WW W 6 W 6 W 6 W W W W W W W W TABLE '/CKXX 1978 ANNUAL MEAN CONCENTRATION OF AQUEOUS TRITIUM IN FISH Results Results Env. in Units of in Units of Station pCi.1 of Water

• pCi/g (Wet)

No. !2 Sigma , 2 Sigma 1X 170t130 0.080!0.028 1EE 140!80 0.087!0.012 4H <100 <0.10 41 190!240 0.16t0.18 4J 180!200 0.13!0.17 6H 130 100 0.078!0.087 Average White Crappie 160!220 0.13!0.17 T-J Average Channel Catfish 160!150 0.11!0.13 L _

t. Average All Fish 160t170 0.12!0.14 so FJ

[j.

• The water is obtained by freeze-drying the sample.

I I I TAJLE XXXI Ah ALYTICAL DAIA POR VEJETAfl0N SAMPLES CONCENTRAfl0N (PC/LITEn OF V AT Eh) STATION C OL LE CTIO N CODE DATS JA.tPLE TYPE A.ii3 1 76 07/24 JEEf3 270 1 80 CABdAGE 220 1 80 06/11 JEETS 150 1 50 P A RS NI PS 120 1 50 10/09 CAUJAGE 170 1 70 TURNIPS 70 1 70 5 78 07/24 jeers 140 1 80 C3RN 160 1 80 Od/11 CABBAGE 120 1 50 CoaN 123 1 50 10/09 CAu3 AGE 140 1 70 f3dNIPS 110 1 70 0 CON CENT R ATION (PC/GhAM =ET) I STATION CO LLECT IO N CODE DATE g Jr.ieLE TYPE A.H3 g 1 78 07/24 JEETS .23 1 .07 g CABdAGE .18 1 .06 08/11 JEETS .12 i .04 3 PAdSNIPS .11 i .04 g 10/09 CAuBAGE .14 1 .06 3 TJhNIPS .07 1 .06 5 78 07/24 JEEfS .11 1 .06 C)di .10 i .35 0d/11 CABdAGE .09 i .04 g CJRN .09 1 .04 g 10/09 CAUJAGE .14 i .07 TURNIPS .10 i .06 i

                                                                            ?:39 2/o

m. _

i i

m W W W m e m M M M e m m e m W m W TABLE XXXII 1978 ANNUAL MEAN CONCENTRATION OF AQUEOUS TRITIUM IN VEGETATION Results Results Env. in Units of in Units of Station pC1/1 of Water

• pCi/g (Wet)

No. 12 Sigma !2 Sigma 1 170!140 0.14!0.11 5 130!40 0.1120.04 r.

 'A sa tw
 ~js

• The water is obtained by freeze-drying the sample.

TABLE XXXIII A COMPARISON OF TRITIUM CONCENTRATION IN VARIOUS MEDIA Average Concentration for Period

• MEDIA SAMPLED pCi/1 (Water) t 2 sigma Surface Water - Grab (aq) 110280 Surface Water - Grab Composite (aq) 150t180 Surface Water - Composite (aq) 110280 Discharge Water - Grab (aq) 150!200 Discharge Water - Composite (aq) 1802260 Well Water - Composite (aq) 130!130 Well Water - Grab (aq) 140t270 Rain Water (aq) 90!32 Milk (aq) 140!240 Fish-White Crappie (aq) 1602220 Fish-Channel Catfish (aq) 160!150 Fish-American Shad (aq) <100 I' ) Vegetation (aq) 150!110 J

      ~:)

PJ

       ~j CD

• Period covered in this report is January 1, 1978 to December 31, 1978.

W W W m m m W W W m m e e e e e e

M M M M M M M M M M M M M M M M M M M M M IALLE XXXIV A 4 ALYTIC AL JATA F 03 S OIL S A.iPL35 CJ N CE:i T h ATION (PC/d DhY) STATION CO L LECTIO N J. AL Pli A G. ALPi! A SR-39 SL-89 Sa-90 SR-90 CODE DATE 3 ]ITO M TOP BOTTOM T3P DOIIOM TOP 2 78 06/03 3 1 1 2 t 1 .08 1 .06 .2 i .1 .14 1 .04 . 59 i .08 11/06 13 1 6 13 1 5 < .09 < .1 .09 1 .05 .30 t .07 3A 78 06/03 3 1 1 2 1 1 <.06 < .06 .14 i .04 .16 t .04 11/05 3 1 4 o i 4 < .1 < .08 .26 i .05 .22 i .05 5 78 06/ 03 1.1 i .) < .9 < .05 < .06 .19 i .04 .24 i .05 11/05 16 1 6 ( 3 < .1 < .07 .18 i .05 .51 i .05 t, La NO rs) m NO

TABLE XXXV 1978 MEAN RADI0 ACTIVITY CONCENTRATION IN SOIL RESULTS IN UNITS OF pCi/g (dry) 1 2 SIGMA Env. Station Collection Gross No. Date Sample Alpha Sr-89 Sr-90 Cs-137 ON-SITE LOCATIONS 2 Annual Mean - Top 1" 6.0til.3 0.1510.14 0.45 0.41 3.513.3 Bottom 8.0!14.1 0.08510.014 0.12 0.07 0.8210.51 DISTANT LOCATIONS 3A Top 1" 4.015.7 <0.07 0.19!0.08 1.310.3 Annual Mean - Bottom 4.5 4.2 <0.08 0.13!0.26 0.8610.68 5 Top 1" 2.0 <0.07 0.38!0.38 1.0 Annual Mean - Bottom 8.6!21.1 <0.08 0.1910.01 0.4620.30 t' J 3A & 5 a Semiannual Mean 6/3 Top 1" 1.5!1.6 <0.06 0.20!0.11 1.120.3

  ' J>                                     Bottom     2.112.7     <0.06         0.1720.07  0.4910.38 N      Semiannual Mean                   Top 1"                 <0.08 11/5                    4.5!4.2                   0.37!0.41  1.220.6 Bottom     11!14       <0.10         0.22!0.11  0.83 0.76

M M M M M M M M M M M M M M M M M M M M M M TABLE XXXVI CONCENTRATIONS OF GAMMA EMITTERS IN S0IL Results in Units of pCi/g(dry) Env. Station No. 2 Average

• 3A 5 Average of*

RMC Designation PB-50L-1351 Site PB-50L-23D1 PB-50L-8E1 Distant Date 6-03-78 11-06-78 Location 6-03-78 11-05-78 6-03-78 11-05-78 Locations Nuclides Found Be-7 top 1" 0.5!O.3 <n.2 0.4 0.4 <0.2 <0.2 <0.2 <0.2 <0.2 botton <0.2 <0.2 <0.2 <0.2 <0.1 <0.2 <0.1 <0.2 K-40 top 1" 5.8 0.6 19 2 12!19 16 2 2012 22 2 26t3 2118 bottom 12!1 22!2 17:14 19t2 19t2 26 3 23t2 2217 Mn-54 top 1" 0.02 0.01 0.03t0.02 0.03t0.01 <0.02 <0.02 <0.02 <0.02 <0.02 bottom (0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 Nb-95 top 1" 0.16 0.03 <0.02 0.09 0.20 <0.C2 <0.02 <0.02 <0.02 <0.02 bottom <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.01 <0.02 Zr-95 top 1" 0.12 0.04 <0.03 0.08 0.13 0.03 0.03 <0.03 0.05 0.04 <0.03 0.04t0.02 bottom 0.0510.04 <0.03 0.04!0.03 <0.04 <0.03 <0.04 (0.03 <0.04 Ru-103 top 1" 0.16!0.03 <0.02 0.0910.20 <0.02 <0.02 <0.02 <0.02 <0.02 botton 0.0510.02 <0.02 0.04 0.04 <0.02 <0.02 <0.02 <0.01 <0.02 Ru-106 too 1" 0.5 0.2 <0.2 0.410.4 <0.2 <0.2 <0.2 <0.2 <0.2 bottom <0.2 <0.2 <0.2 <0.2 <0.1 <0.2 <0.1 <0.2 Sb-125 top 1" 0.2010.05 0.1010.07 C.15 0.14 <0.06 <0.05 <0.06 <0.05 <0.06 bottom <0.06 <0.05 <0.06 <0.06 <0.05 <0.05 <0.05 <0.05 Cs-137 top 1" 4.610.5 2.310.2 3.5 3.3 1.210.1 1.4 0.1 1.010.1 1.0 0.1 1.210.4 bottom 1.0 0.1 0.6Ato.06 0.82 0.51 0.6220.06 1.110.1 0.35t0.04 0.56 0.06 0.65t0.63 Ce-141 top 1" 0.12tn.03 <0.02 0.0710.14 <0.03 0.03t0.02 <0.04 <0.02 0.0320.02 IJ bottom <0.03 <0.03 <0.03 <0.03 <0.02 <0.02 <0.02 <0.02 ( .J

    . J   Ce-144               top 1"    0.7 0.1       0 2010.08    0.45t0.71      0.2 0.2      0.17 0.08    <0.2        0.2410.09   0.2010.06
   -a                         bottom     0.1 0.1         <0.1         0.10          <0.1           <0.1      <0.1           <0.1       (0.1 Ra-226               top 1"   0.57 0.06       1.110.1     0.84t0.75      1.110.1        1.2 0.1   1.120.1        1.2 0.1    1.210.1 bottom     1.120.1        1.2 0.1      1.2 0.1       1.3!0.1        1.230.1   1.210.1        1.0t0.1    1.220.3 Th-232               top 1"   0.54 0.08       1.310.1     0.92 1.07      1.2 0.1        1.3tn.1   1.4!0.1        1.520.2    1.4!0.3 botton     1.0t0.1        1.5 0.2      1.3+0.7       1.410.1        1.2 0.2   1.520.2        1.6t0.2    1.4t0.3 Other**              top 1"     (MDL           <MDL         <MDL          <MDL           (MDL      <MDL           <ADL       <MDL bottom      <MDL           (MDL         <MDL          <MDL           <MDL      <MDL           <MDL       <MDL Averages calculated using pnsitive values only.
          ** For typical mininum detectable levels of nuclides searched for and not found, see table XLI.

4 9 I v' e s- ar o' er r W *r te V 9 4 e o~ 9' O e= > O *% e= @ 8 ** e' 8* ** N P=** N # re W e-- e~,

• f*- N N N 8* e- g e- e- .g er e e"%et e o e o e e e e e e e e e e e e e e e e e e a e

                  ** ec          r       r1     t's   O      rw    r. O     r>     e-   fu    e     O           v1 O-     r     O      r'     O           em     em    O d'*   l   t --                              o     e                  e                  a       r%e                            e               Oo       e     e F F       t  W-    *ee ree        O     v      4     tr~     9o   e      es   &&    9     er    O     W      **     sr    N       &      ar    &    f       s    &e--

t' 6 P e '9 ** F W em N W C fr :o @ P ( 4 O e* N & eli 7

                   \f e              a        e     e     e     o     e       e    e     o     e      e     e    e     e   f'e        e    e   P'o       e      e     e     e     *
                  *I    t rr      @      P'     P-    g      e. ef=    P--   tr     T    f*    q     F     =     tr     eO     @      4     @      P      P-   P-     P=    4 e-    e                                                                   set f"o O t' 8 h          C

• a fe tv e V P~ et Ps or at e- 9 O ** F n W $ **- tr se N0 p- g.- 4 se e~ e r R. P- w S. F e e O e= O P W se @ e ef- E r e e - e e e e e e e e e e _ e e e e e e e e e e sa eo O C Cs O O O O O O
• O O O O O O O O O O. f'N O O 97 0 e e e e e e fo fe

              > er t       P'    N       &. W*      e    &e    W__    ef'e  H%o     $   9*    C_e   t>e   tr                   se   Pm.,   **     W      &_   e-     r<    7--

t' 0 tr gr. se ** O c: er er e er pr e4 P- 5 6. P* W f% *t 5% P- se ee

                   \ 9       e       e        e     e     e           e       o    e     e     e      e     a    e     e       e      o    e       e  e"e       e     e     o     e e-    8 8e'     E      &      P"    E      P     we     W     t      F    of-   f*    e     F     4      er     h     h      P=      t'    N    K      sr    a e p                                                                       en=
                  # 9 8"s   e  f"     &      @      f*e   W      V'     s     N      3     N    @     O'    **    Pe    P      ff     F      S     at"     @      &   F       @    O
                   % 9 9          n      @       W     9     N     N       e    N      re   *=    af    to    8*%   '"'    M'     N      N     **t     W'     G   O      W     @

e o - e e e e e e e e e e e e e e e e o e 4 C () C e O C O_ O O O N O O t> 0 ' fJ O O. O C e"e O O sr e e e . O. e e e o e e o

• e P e- e e= t- P- O e= e= y gg= p c-e e- O nf O :9 f_e if Pe af 8*'e P'*o F* f- d 0 P- P re e4 e s> so. n= g e= P= 0 & f4 W F II F F *' e- is $ tr O e e e a e o e o e e o e e e e o e e o e o e e f-. a Ps gf F P- P* W y Pm gr g, O y f* Ph tr 9 4 tr  % P" P- E' I' P' e- t er o"' t V h F' W  % e' RC f N w & e= 9 e- O W N w t, t+ ar er v. 9 v'

                   \ l @'t        T      #'     *     @      F     Po     8%    7      @    f*    W     te;   de'    S     N      3     h      @       4     E    O       @    @

O O e' e e e e _ e o e e e e e e o e e e o e e e e

• OO C C' f:_ O O O $ O O O O *= 0 O f> V O O 4' I O e The '

Os Oe e e o e (>o e Oe a e e e o P* P'" O M* O' be r'* O r"4 er t e-

• P= rh 4 Pe k O Pm ** es N S W N 8Fe O I N *e @ fl O @ W 9 ew N er C% P' W N @ st 29 ** f O O F W

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eg is, e 4 V' # (. 4 6. P= Pm M P* P= F f r' I e e & e *P f* e e O # e- t e* ca *m *

• P= M r9

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e e o e o o e e e o e e a e e e e e e O LD *% f% O Q % O O e-e O O O O O O r% O O O ** O dr e' p . 6'"" e e bm O. e e o P O $ @ 4. 8et P=o 5" 8" @e w 4 g @ &_a O.e **e #e 8**.* @ P' O O_e fP.e P Oe r- t er # em N P=

• er Ps se O F P e N P= m e- P- fP O

                   % e S 0 P' e       -             e     e     e     o                  e  N. e.        e   o      e       e      e    e       e    e       e     o     e     e t(-            SC    4      P=     se    is.p         P'   4     v     P"i   s     4      p'n V-    er     44     w      4    @      4     @

C 9 N f e r"" e 8* hf% W @ 9% F f e" et 8P f* f 80 h ** Oe d [ f 8** @ T e" e N 0 he 5 4 4 n= O en 8F W & et P- @ g m e4 w ig at ( Pe O 4 F T 3 e e e e e e e e e o e e o e e e e e e o e e 0 9% t !% r~ 9% n= e= f* 9% es r O 0*% f% 9"' r% 9% F 9- 9 9 e rme e e Pe 9%o e e Oe v1^- e 9%e 9'9o 9"e e s(,pm r Pm 9 t *~ t%.e 9 e. T ew"o &e 're er s o= N P.e e f ere < sc gr tve e~ P. w W 9' O t 4 @ O (> #9 o'* O W e" @ O & af6 @ O 884 N (f. N st* fu% #* f'e (*

                   \t a                       e     e     o     e     o       e    o     e     e      e     e   o      e       e     o    e        e    a       e     o     e          ed e     b I &          V_      h      P'    *(     @     #      T     t#'    P'   O     ef'   P'    eb    V'     @      @     et*    W      4C     @    P'     P'            tr t'       t 9                                                                       9" to Se                                                                                                                                                                              to b

• 11' *% 9 t' He& \ O 9 4 9 <e - to Pe f% 0" N @ ar O f s. 9 W **\ O M" ta 4 f ar f% 0 7

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+   E/* f.        6 I                 e       e     e     e     e     e       e    e     e     o      e     e   e      e              e    a       e     e      e     e     e     e    9 fMpAM or            c'      *~o    r1     n      e=    e-     n      r           O           e           r%    c~           **o                 c      *%     O            n W 9'          W e 0 fe

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• M @ & Pm to ra e & N O e- #m det g set get 9 Pe de b4 r N e m @ # Pa- # N ** P* 9 e er * ** m e- Fe
• 3 N tr f n#5 et P= hl 3R f- 4 4 e e e e e e e e e e e e e e e e e o e e e e e e Sd tm c' l *~ r en c' em o's *- r e~ r, e9 O es e O fm em es e9 en er F e Oe ee em_e o o--

o mesP= e e4 $ 9 e ete P%e S-e W ede 89o ed*-- ee 4* ae_e e-o of P e me P= Pe r* fme ete M*_ e= &e C t3 ene C' t @ O ** M M- 49 8" em 4 e- P *" v= g et' aft 8** te* @ ee W ea se ca O ta  % 5 e e o e e e e F e . e o e o e e o e e e e

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                  %0 4           er

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• s' $ $ ** **

                  \ e e              e        e     e     o     e     o       e    e     o            e     o    e     o        e     o    e       e     e      o     e  P'o      e S 4      s       4      1r    Y      U*     $     4     W      P%   1r    hr    &     er    O       N     V     W      %G     %      4    4      W     5 O e                                                                       fe
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O t P+o=e 0 g d* t' :e et q er Mm tw @ @'s Q O t 9 q em t @ q Q-

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e f ** C e o e e e . . e e o e o e o e e 9 9 e 6 @ r* en it er *** N O ao 9 P 8P tr & # P' f* V M 4 e *= P* P6

                  > t af -       t'      W            *e     e      0     74    4      9"   b     &     O     @     9%     <      so    O      F      r%     O    7      N'    &

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• t O t ee b t 6-( gr o-(, r D 6 re *- e- p- w ,. Aa er b y er 4 # s T F er n gt e-er e= e- e- ee es e e- e- ee e- *=9- aw= e @ e- e- o- P'a= e- e=

t- Le I en I 2M9 282 l

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              & 4 I        O. O.            e  Oe       e                e   rn.           .           e    f*     9 9

• P= N t ee 9 d F e 1e r" == e $e r* h "o 8 P' O N *= @ N F 'y T go e o e, f' 8 EP

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I TABLE XXXVIII O!! A RT E R L Y T L C P ESilLTS R?SULTS IN UNITS OF MRADS/ST9. MONTH

• S T ATIO N 78 78 78 79 CODP EQV.MO. AVG. 01/07-0I4/01 04/01-07/02 07/02-10/01 10/01-01/06 a 5

1A 7.10 ; 0.77 6.61;0.47 7.26;0.36 6.94;0.18 7.51;0.54 1B 5.44 ; 0.82 5.21;0.23 5.18;0.27 5.27;0.26 6.05;C.47 1C 6.99 ; 1.45 6.25;0.49 6.89;0.56 (6) 7.70;0.56 10 6.33 ; 1.11 5.87;0.50 6.24;0.32 6.01;0.63 7.11;0.96 1E 6.f41 ; 0.93 5.81;0.34 6.56;0.78 6.29;0.69 6.91:0.Il 1P 7.56 ; 1.27 6.72:0.55 7.60;0.47 7.54:0.72 8.27;0.21 1G I4.84 ; 0.96 I4.6 8;0. 29 4.71;0.23 4. f4 0 : 0.15 5.52;0.54 1H 6.37 ; 1.06 5.75;0.36 6.33;1.00 6.27;0.58 7.05:0.1'4 II 5.28 ; 0.88 5.13;0.21 4.92;0.63 5.76;0.42 (6) 1.1 7.SR ; 0.96 (1) 7. f4 5 ; 0. 3 9 7.16;0.91 R.10;0.25 1K 27.32 ;15.85 30.39;2.69 16.09;2.08 28.16;2.34 3 t4. 5'4 ; t4. 20 1L 5. f4 0 ; 1.05 5.62:0. 36 4.78;0.48 5.19;0.10 5.91;0.59 1M 3.69 ; 0.53 1.82:0. 37 3.69;0.20 3.32:0.41 1.94: 0.21 2 6.11 ; 1. 31 5.55;0.22 6.09:0.60 5.68;0.42 7.00:0.19 3A I4. 8 5 ; 0.76 4.60:0.18 4.72:0.59 4. 6 t4 ; 0. 20 5. t4 0 ; 0. 2 2 4K I4.09 ; 0. 32 f4. 2 6 ; 0. 4 3 4.04;0.59 3. 9 7 ; 0. f4 3 (8) 5 5.97 ; 1.38 5. 31 : 0.1 t3 5.87:0.56 5.66;0.15 6.91;0.71 6B 5.74 ; 0. 88 6.16;1.35 5.55;0.f45 5.21:0.69 6. 0 I4 : 0.50 I t4 6.26 ; 1.01 5.6 t4 :0 . 9 t4 6.28:0.32 6.16:0.19 6.86;0.74 15 6.58 ; 1.32 5. 6 8 ; 0. 4 t4 6.75;1.18 6.53;0.34 7.26;0.11 16 6.f47 ; 0.68 6.03;0.25 6.57;0.17 6.37;0.09 6. 8t4 : 0. lt4 17 7.53 ; 0.80 7.19;0.56 7. 6 2 : 0. 9 t4 7.22:0.75 8. 0 t4 : 0. f4 9 18 7.03 ; 1.10 6 .f4 1 ; 0 . 3 5 7.21:0.49 6.74;0.25 7.66;0.2'4 19 6.61 ; 1.56 (3) 6. 0 t4 : 0.39 (5) 7.15;0.39

                           ; I N DIC ATES P LIIS OF MI N IIS SIGN 237,9 284               I I

I TABLE XXXVIII (CONTINUED) Q,IARTERLY TLD PESULTS R ESTILTS IN TINI TS OF MRADS/STD. MONTH

• STATION 78 78 78 79

                        ~

20 7.52 ; 0. 97 7.66;0.52 7.39;0.50 6.93;0.62 8.09:0.36 21B 6.87 ; 1.53 7.70;0.32 (4) 6.19:0.71 6.78;0.27 22 6.55 ; 0.70 6.13;0.36 6.72;0.65 (7) 6.75;0.69 23 6.70 ; 1.42 5.77;0.45 6.91;0.38 6.54;0.62 7.46;0.35 24 5.22 ; 0.71 4.73;0.26 5.30:0.49 5.20;0.60 5.59:0.56 26 7.13 ; 0.69 6.91;0.27 7.10:0.43 6.86;0.31 7.61:0.27 27 7.06 ; 1.13 6.65;0.85 6.86;1.07 6.76;0.32 7. 87;0. 36 31 6.47 ; 1.01 6.09:0.62 6.37;0.29 6.16;0.53 7.19; 0. 76 32 6.86 ; 1.35 6.15;0.81 7.14;0.48 6.42;0.43 7.63;0.52 33A 4.87 ; 0. 90 4.39;0.35 5.02:0.31 4.68;0.26 5.31;0.58 38 7.16 ; 0.54 (2) 7.11;0.40 6.91;0.56 7.45;0.19 i STATION CODE 78 78 78 EQV.MO. AVG. 01/05-04/03 04/03-07/03 07/03-10/02 10/02-01/09 79 128 5.16 ; 0.92 4.63;0.34 5.35:0.19 4.94;0.59 5.68;0. 19 (1) TLDs were buried in snow at station IJ during January. (2) Station 38 was vandalized in January and TLDs were not read. (3) TLDs were stolen from station 19 in February. I (4) TLDs were inadvertently removed from station 21B in May and June. (5) Station 19 was vandalized in July, and the TLDs were stolen. (6) Stations 1C and 11 were vandalized in August, and the TLDs were I stolen. (7) Station 22 was vandalized in September, and the TLDs were stolen. (8) TLDs were stolen from station 4K during the fourth quarter. I I m, Lo3 - I u. J I g  ; 1NotcATES e t ,, S e , M 1 N ,,S S10N I

TABLE XXXIX MEaN MONTHLY AND QUARTERLY TLD RESULTS FOR THE SITE BOUNDARY, MIDDLE, AND OUTER RINGS RESULTS IN UNITS OF MRAD /STD. MONTH ! 2 SIGMA DEVIATION OF THE DATA SAMPLE EXPOSURE TYPE PERIOD SITE MIDDLE RING OUTER RING Monthly Jan/78-Feb/78 6.08 t 1.95 6.31 1 1.70 6.33 2.55 Feb/78-Mar /78 6.29 t 1.79 6.56 ! 1.86 6.91 1 2.66 Mar /78-Apr/78 5.86 t 2.14 6.07 ! 1.69 6.29  ! 2.65 Apr/78-May/78 6.91  ! 2.57 7.42 ! 2.11 7.66  ! 2.39 May/78-Jun/78 6.55  ! 2.61 6.65 2.02 6.83  ! 2.11 Jun/78-Jul/78 6.51  ! 2.31 6.75 ! 2.50 6.60 t 2.17

                        -       Jul/78-Aug/78    6.38  t 2.52   6.48 ! 2.11     6.33  ! 2.33 Aug/78-Sep/78    6.01  ! 2.50   5.85    1.78    5.95    1.24 Sep/78-Oct/78    6.92  2 2.46   6.88 t  2.14    7.16 ! 1.87 Oct/78-Nov/78    6.75  ! 2.56   7.02 t  2.32    7.02    1.78 Nov/78-Dec/78    7.64  x 2.78   7.79 !  2.21    7.56 ! 2.21 Dec/78-Jan/79    6.75  ! 2.56   6.86 !  1.92    6.98 ! 1.84 Quarterly       Jan/78-Apr/78    5.53  2 1.62   5.78 ! 1.78     6.19 ! 2.70 Apr/78-Jul/78    5.96  ! 2.46   6.27    2.06    6.31 ! 1.80 Jul/78-Oct/78    5.71  ! 2.50   5.98     1.99   6.06 ! 1.63 Oct/78-Jan/79    6.69  ! 2.51   6.98 ! 1.71     6.82     1.87 NJ LA La so  Site Boundary Ring Stations - IB, IC, 1D, IE, 1F, IG, lH, IJ, IL, IM, 2 na  Middle Ring Stations - 3A, 4K,       5, 6B, 14, 15, 17, 22, 23 26, 27, 31, 32 33A, 38 Outer Ring Stations      - 12E , 16, 18, 19, 20, 21B, 24 fC

• Correction fo- fading was not included in monthly and quarterly results M M M M M M M M M M M M M M M M M M M M M h

mm m m m m m seh; M em aus een M M Wup m m m m mm m TABLE XL GAMMA SPECTROMETRY OF ALL MEDIA TYPICAL MINIMUM DETECTABLE LEVELS OF NUCLIDES SEARCHED FOR BUT NOT FOUND NUCLIDE SURFACE WATER DISCHARGE WATER RAIN WATER AIR PARTICULATES MILK S0Il (pCi/1) (pCi/1) (pCi/1) -3 pCi/m3 ) (pCi/1) (10 (pCi/g-dry) Ce-144 3.0 2.0 4.0 4.0 2.0 0.1 I-131 0.4 0.4 0.6 0.6 0.6 0.02 Cs-137 0.5 0.5 0.7 - - - ZrNb-95 0.4 0.4 0.7 1.0 0.7 0.03 Th-232 2.0 2.0 3.0 3.0 3.0 - Co-60 0.6 0.6 0.9 0.9 0.9 0.02 Te-132 0.3 0.3 0.5 0.5 0.5 0.01 Na-22 0.4 0.4 0.6 0.6 0.7 0.02 Ag-110m 0.4 0.4 0.9 2.0 0.7 0.06 Cs-134 0.5 0.5 0.6 0.6 0.9 0.03 Fe-59 0.9 0.9 1.0 1.0 2.0 0.04 K-40 6.0 6.0 8.0 10 - - Cr-51 3.0 3.0 5.0 5.0 5.0 0.1 Ru Rh-106 3.0 4.0 6.0 7.0 5.0 0.2 Te-129m 7.0 7.0 10.0 9.0 10 0.3 Co-58 0.5 0.5 0.6 0.5 0.8 0.02 Cs-136 0.7 0.6 0.8 0.9 1.0 0.02 Bala-140 0.6 0.5 0.8 1.0 0.6 0.03 Ra-226 r0 0.9 0.8 1.0 2.0 1.0 - I-133 0.5 0.5 0.6 0.6 0.5 0.02 Mo-99 to 3.0 3.0 4.0 4.0 4.0 0.1 Mn-54 sca 0.5 0.4 0.6 0.5 0.8 0.02 Zn-65 1.0 1.0 1.0 1.0 2.0 0.04 Sb-125 NJ *

• 0.9 2.0
• 0.05 c;3 *
• Ce-141 0.6 0.8
• 0.03 Ru-103 '4 *
• 0.4 0.6
• 0.02 Be-7 *
• 0.2 Minimum detectable levels of these nuclides were not calculated for these media.

Dash (-) indicates a positive concentration was measured in all samples analyzed.

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• A CCHPARISON OF AQUEOUS TRITILH CONCLNIRATIONS IN SURFACE VATER At rONtNIKO AND HOLN10D DAM (TOTA 1. SAMPLE - COMPOSITE)

Station 6A (PE-SW-33F1) - Holtvood Dam Stat ion 4 F (PB-Sl.'-14F2) - Conowingo Dam J h~rg -- L Both Values The Same o 10,000 c,000 8,000 I' 7 000 ***I**""'" + 4 ) 'i"'

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E E E E E E E E E E E E E E E E E E E E E E A CLMPARISON UF CROSS BETA CONCEh'IKATIONS IN SL'RFACE WATER AT CONOWINGO AND HOLTWOOD DAMS (INSottT,LE FRACTION - GRAB) Ng e< N' - Station 4F (PB-$W-33F1) - Car

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W M M M e m M m M M M M M M M M M M M M MM A COMPARISON OF AVERAGE MONTHLY TLD RESULTS AT THE SITE 60thr.ARY, MIDDLE, AND OUTER RINGS Site Boundary Ring (IS, IC,1D, IE, IF, IG,1H, IJ,IL,IM,2) [4 - Middle Ring (3A 4K, 5, 68,14,15,17, 22, 23, 26, 27, 31, 32, 33A, 36) el - - -

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