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Radiological Regional Environ Monitoring Program,Jan-Dec 1980,Rept 16.
	ML20009A063
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Site:	Peach Bottom
Issue date:	05/31/1981
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{{#Wiki_filter:< il I I e PEACH BOTTOM ATOMIC POWER STAindN I Radiological Regional Environmental Monitoring Program Report #16 January 1,1980 Through December 31,1980 Prepared For PHILADELPHIA ELECTRIC COMPANY By RADIATION MANAGEMENT CORPORATION University City Science Center 3508 Market Street Philadelphia, Pa.19104 I May 1981 I 'I I^ 8107070445 810626 PDR ADOCK 05000 < a .

I I PEACH BOTT0ft AT0!!IC POWER STATION I Radiological Regional Environmental Monitoring Program Report # 16 I January 1,1980 Through December 31, 1980 Prepared For PHILADELPHIA ELECTRIC C0ftPANY By l RADIATION liANAGEl4ENT CORPORATION l _ University City Science Center I 3508 Market Street Philadelphia, Pa.19104 May 1981 I E

I TABLE OF CollTENTS PAGE I. INTRODUCTI0ft A. Pmgram Objectives 1 B. Program Implementation 2 II. Rl4C PROGRAll DESCRIPTION A. Sample Collection & TLD Placement 3 Procedures B. Program Changes 5 C. Analyses Perfonned 5 D. Exceptions to the Pmgram 5 III. RESULTS AND DISCUSSI0!1 A. Data Interpmtation & Statistical 7 Analysis B. Discussion of Results 8

1. Surface Water 8

2. Discharge llater 9

3. Well Water 10

4. Pmcipitation 10

5. Air Particulates 11

6. Air Iodine 11 l

7. Milk 11

8. Soil 13

9. Ambient Ganraa Radiation 13 IV. Sult1ARY AND CONCLUSIONS 15 V. TABLES VI. FIGURES l

LIST OF TABLES I TABLES I. RitC Station Designation and Sample Identification System II. R!lC Sample Collection and Analysis Program III. Summary of Analysis Performed on Samples Collected During 1980 , IV. Summary of Radioactivity Concentrations V. Summary of Gama Spectrometry VI. Summary of Anbient Dosimetry Pmgram VII. Analytical Data for Surface Water Grab Samples VIII. Analytical Data for Surface Water Composite Samples IX. Concentrations of Gcma Emitters in Surface Water X. Analytical Data for Discharge Water Grab Samples XI. Analytical Data for Discharge Water Cogosite Samples XII. Concentrations of Gama Emitters in Discharge Water XIII. Analytical Data for Well Water Sagles XIV. Analytical Data for Pmcipitation Samples XV. Concentrations of Gama Emitters in Precipitation (Total Sanple) XVI. Analytical Data for Air Particulate Sanples XVII. Concentrations of Gama Emitters in Air Particulates XVIII. Concentrations of I-131 in Filtered Air XIX. Analytical Data for flilk Samples XX. 1980 Mean Concentration of Iodine-131 in !! ilk by Week XXI. Concentrations of Gamma Emitters in liilk XXII. Analytical Data for Soil Samples XXIII. Concentrations of Gama Emitters in Soil XXIV. Monthly TLD Results I 11

I LIST OF TABLES (CONT.) I TABLE XXV. Quarterly TLD Results M le a d bu e ng XXVII. Gamma Spectrometry of All liedia - Typical flinimum Detectable Levels of Nuclides Searched for but not Found. I I I i I lI I I I iii

LIST OF FIGURES FIGURE 1 Environmental Sampling Stations on or near Peach Bottom Site 2 Environmental Sa@ ling Stations at Intermediate Distanc-from Peach Bottom Site 3 Environmental Sampling Stations at Remote Distances from Peach Bottom Site 4 A Comparison of Aqueous Tritium Concentrations in Surface llater at Conowingo and Holtwood Dams (Total Sample-Composite) 5 A Comparison of Aqueous Tritium Concentrations in Surface Water at Conowingo and Holtwood Dams (Total Sample-Composite) 6 A Comparison of Gross Beta Concentrations in Surface Water at Conowingo and Holtwood Dams (Soluble Fraction-Grab) 7 A Comparison of Gross Esta Concentrations in Surface Water at Conowingo and Holtwood Dams (Insoluble Frection-Grab) 8 A Comparison of Aqueous Tritium Concentrations in Water at Peach Bottom Unds #2 and #3 Intake and Discharge (Total Sample-Composite) 9 A Comparison of Gross Beta Concentrations in Water at Peach Bottom , Units #2 and #3 Intake and Discharge (Soluble Fraction-Composite) 10 A Comparison of Gross Beta Concentrations in Water at Peach Bottom Units #2 and #3 Intake and Discharge (Insoluble Fraction-Co@osite) 11 A Comparison of Average Aqueous Tritium Concentrations in Well Water at On-Site Wells, Site Area Wells, and Distant Wells (Total Sample-Grab) 12 A Comparison of Average Iodine-131 Concentrations in Hilk at Near, Intermediate and Distant Fams (Total Sample) 13 A Comparison of Average Strontium-90 Concentrations in Top One Inch at On-Site Soil and Distant Soil Locations 14 A Comparison of Average Strontium-90 Concentrations in Bottom Cut at On-Site Soil and Distant Soil Locations 15 A Comparison of Average Cs-137 Concentrations in Top One Inch at On-Site Soil Locations and Distant Soil Locations 16 A Comparison of Average Cs-137 Concentrations in Bottom Cut at On-Site Scil Locations and Distant Soil Locations I iv

I l g LIST OF FIGURES (C0!1T.) 5 FIGURE 17 A Comparison of Average !!onthly TLD Results at the Site Boundary, liiddle, and Outer Rings 18 A Coneurison of Average Quarterly TLD Results at the Site Boundary, liiddle, and Outer Rings I , I I l l 1 f l _

1 I I I I I I. INTRODUCTION I E I 1

I l

1. INTRODUCTION Radiation Management Corporation (RMC) began conducting a radiological environmental monitoring program in September 1970 for the Philadelphia I Electric Company in connection with the Peach Bottom Atomic Power Station (PBAPS) located in Peach Bottom Township, York County, Pennsylvania.

This Ri1C program complements an existing program being conducted by I others which has been carried out since March 1960 PBAPS is located along the Susquehanna River, between Holtwood and Conowingo Dams which am 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 mactor, was started on February 5,1966, and initial criticality was achieved flarch 3,1966. Final shutdown of Peach Bottom Unit #1 was on October 31, 1974. Peach Bottom Unit #2 and #3 are boiling water reactors cach with a power output of approxi-I mately 1050 tiWe (Net). The first fuel was loaded into Unit #2 on August 9,1973, and 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 I on Jme 16,1974. Peach Bottom Unit #3 first reached full power on December 21, 1974. l Results of the RllC portion of the overall regional radiological environmental monitoring i rogram have been reported in semi-annual and annual reports. Semi-annual reports were discontinued after 1975. This report contains data for sam-ples representing the period January 1,1980 through Decenber 31, 1930. g A special pmoperational report (1) for Peach Bottom Units #2 and #3 has been issued previously which summarizes results of all analyses perfonned by PJIC I on samples collected frc:a the start of the Pf1C portion of the overall program through August 8,1973, the day before fuel was first loaded into Peach Bottom Unit #2. A. PROGRAli OBJECTIVES l I 1. Identify, measure, and evaluate existing radionuclides in the environs of the Peach Bottom Site and any fluctu-ations in radioactivity levels which mqy occur.

2. lionitor and evaluate ambient radiation levels.

3. Detennine, within the scope of the program, any measurable i quantity of radioactivity introduced to the environment by the operation of the Peach Bottom Atomic Power Station.

,3 4. Complement other existing radiological envimnmental g ronitoring programs at Peach Bottom Atomic Power Station. I 1

B. PROGRA!! IltPLEliEtlTATI0ft In order to achieve these objectives, Radiation llanagement Corporation perforted the following analyses on sanples collected during the period of this report.

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

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

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

4. Identified, measured and evaluated ganma emitting radionuclides in surface water, discharge water, precipitation, air particu- l lates, milk and soil. W

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

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

7. Measured ambient gamma radiation levels in the environment and evaluated the variations with time and locaticn with mspect to the Site. l I

I I I 2

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_ - _ ___A-*e.--a- ____ e - _ _,Lh_--* __.m i-... .- a- - aaM.- .d___a. _- ,,_ -. _ah--. l I I I ; I I , I II. RMC PROGRAM DESCRIPTION .i I I , I l l i 1 I : I

I II. R!!C PROGRAft DESCRIPTION A. SA!!PLE COLLECTION AND TLD PLACEl4ENT PROCEDURES The program being conducted by Rf1C is described in Tables I and II and Figures 1-3.

1. Sample Collection

a. Water (except precipitacion)

All samples were collected in new polyethylene bottles. All I persons involved in sample collection and handling were ad-vised not to wear tritium luminous dial watches in order to avoid possible cross contamination from that source. Sample containers were rinsed at least twice with the water to' be sampled before collection. All water samples were grab samples except those collected I at stations ILL,1tif t, 6I and 4L. Weekly sa@les were taken from a tank which continually collects a sample at these four locations. The weekly samples were conposited into a monthly sample for analysis. Collection methods are described in more detail in Table II, Section V.

b. Precipitation Precipitation was collected in an apparatus consisting of a new polyethylene bottle with a plastic funnel 8 inches in I diamete r. The bottle was replaced monthly and the sanple bottle was shipped to R!iC for analysis. The amount of precipitation was recorded continuously by a separate rain gauge at station 1A.

c. Air Particulates Air particulate samples were obtained using a vacuum sampler and glass fiber filters, approximately 2" in diameter. The I filter was replaced weekly and sent to Rf1C for analysis. The vacuum sampler was run continuously at approximately 1 cubic foot per minute.

d. Air Iodine Air iodine samples were obtained using a vacuum sampler and charcoal filters, approximately 2" in diameter. The filtcr

= was replaced weekly and sent to PJIC for analysis. The vacuum sampler was run continuously at approximately 1 cubic foot per minute.

e. Milk liilk samples were collected in new polyethylene bottles from the bulk tank at each farm, refrigerated and shipped immediately.

No preservativa was added. I

I

f. Soil Soil samples consisting of seven cores, 2" in diameter and 6" deep were collected from a 50 X 50 ft. ama at each sampling location. Top soil (upper 1 inch) and bottom soil (lower 5 inches) wem separated, chen sealed in separate plastic bags, and shipped to RitC.

2. TLD Placement A system using thermoluminescent dosimeters (TLDs) was used to neasure the direct radiation levels in the PBAPS environment.

The TLD stations were placed on and around the Peach Bottom Site using the "three ring concept". Two on-site stations, 3 designated as plant complex stations are not included in any 5 of the three rings.

a. A site boundary ring near and within the site perimeter,.

repmsenting fencepost doses, i.e., at locations where the doses are greater than maximum annual off-site doses l from station mleases; g

b. A middle ring extending to approximately 10 miles from the Site, designed to measure possible exposures to close-in population;

c. An outer ring extending from approximately 10 to about 60 miles from the Site, and considered not to be affected by Station releases;

d. The specific location of each station was determined by 3 the following criteria: E (1) The presence of relatively densely populated amas; (2) Amas where estimated annual dose from the Station, if any, would be more significant, were calculated from site meteoro-logical data taking into account distance and elevation for each of the 36 ten-degree sectors around the Site; l (3) On hills 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 poly-ethylene package to verify the integrity of the dosimeters when collected. Two packages were kept in a locked formica

       " birdhouse" or polyethylene jar, about six feet above the ground or supporting surface at each location. At each sta-tion one package was exchanged for measurement on a monthly schedule, and one on a quarterly schedule.

I 4

I B. PROGRAli CHAfiGES Effective with samples collected in 1980, the following changes have , been made. All of the changes are in accordance with current f1RC l guidelines for monitoring programs. flone of these changes involve I the PBAPS technical specification program.

1. Sampling

a. Environmental Dosimetry - Twelve additional stations were added to the sampling program beginning in July 1980. These stations I provided additional geographical coverage around PBAPS. Sample frequency was monthly and quarterly.

b. Environmental Dosimetry - Station 1K was removed from the sam-I pling program beginning in January 1980 because it was not re-presentative of off-site doses.

I c. Air particulates - Samples from station 4A were transferred from Intemx Corporation to R!!C beginning in February 1980. Air iodine - Eight stations were established to sample iodine I d. in air beginning in liarch 1980. Sample frequenc/ was weekly.

e. ftilk - Farm H went out of business and was replaced beginning in I January 1980 with a new dairy (Farm 0) located west of Conowingo Pond.

C. AtlALYSES PERFOR!!ED The schedule of analyses perfonned by RitC is listed by sample type in Table II. This schedule was followed except where noted below. Table III lists the type and nunber of analyses peWormed during this period by sample type and station location. liethods used in performing these analyses can be found in Appendix A of PBAPS Radiological Environmental fionitoring Program Report #12, January 1,1976 - December 31, 1976. D. EXCEPTI0f1S TO THE PROGRAft

1. Surface water sanples were collected the last week of each month for I-131 from stations 4L and 6L prior to Septenter 1980 as a special study.

2. Discharge water samples were not taken from station 1!t1 from 12/27/80 to 1/09/80 due to a pump malfunction.

3. Air particulate and air iodine samples were not taken from station 1Z from 5/24 to 5/31 and 9/21 to 9/28 due to a pump malfunction.

4. Air iodine sanples were not taken from stations 1B, 2 and 3A from 11/30 to 12/6 due to a pump malfunction.

5. I-131 results were not available for air iodine sanples taken at stations 1B,1Z, 2,13A, 5, 6B and 14 between 8/3 to 8/9 due to analytical error.

5

I I I I I III. RESULTS AND DISCUSSION I I I I I I l I

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

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

As a result, variation in the radionuclide concentrations of the samples I will nonnally occur. Since these variations will tend to counterbalance one another, the extraction of averages based upon repetitive grab samples is valid.

2. Hinimum Detectable Levels (!!DL)

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 For I half the detection level value, or as full detection level value. mporting and calculation of averages, any result occurring at or below the minimum detectable level is considered to be at that level. Averages obtained using this method are therefore biased high.

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

of mpeated counts of the sample would fall.

4. Table fleans and Standard Deviations Results for each type of sample were grouped according to the analysis performed. Means and standard deviations of these results were calcu-lated. These standard deviations represent the variability of measured results for diffemnt samples rather than single analysis uncertainty.

For these calculations, all results below the f1DL were considered to be at the MDL. As a result, the means are biased high, and the standard deviations are biased low. I I I I

B. DISCUSSION OF RESULTS I Results are summarized in brief form in Tables IV, V and VI (Section V). Tabias of msults for individual sample types and analyses per-formed can be found in Section V, Tables VII to XXVII. Graphical pmser,tations 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 sam-ples and five (1Q, 4F, 4G, 6A and 13A) were grab samples. Station 13B was sampled once in 1980. Of these stations, six could be affected by releases from Peach Bottom Atomic Power Station. The remaining stations (6% and 6I) were above Holtwood Dam and, g trarefom, could not be affected by plant discharges (refer to g Figures 1 and 2, Section VI, for station locations). The follow-ing analyses were performed on surface water sanples,

a. Tritium Total samples from seven stations were analyzed for concentrations of aaueous tritium. Samples from sDtions ILL,1Q, 4L and 6I were analyzed on a monthly basis, while samples fmm stations 4F, 6A and 13A wem composited monthly into a quarterly sample. Results of a this analysis of surface water sanples can be found in Tables VII g and VIII, Section V. The concentrations detected were well within the range found during the Peach Bottom Units #2 and #3 preoperational period (1). Graphical comparisons of the unaffected stations (6A and 6I) above Holtwood Dam with potentially affected stations (4F -

and 4L) at Conowingo Dam showed no difference in concentrations, indicating no detectable addition of tritium to Conowingo Pond from the operation of PBAPS (Figures 4 and 5, Section VI).

b. Gmss Alpha Samples from four stations (4F, 4L, 6I and 6A) were analyzed for -

gross alpha concentrations in the soluble and insoluble Tractions. Results of gross alpha analysis in surface water sanples can be ( t found in Tables VII and VII. , Section V. Results at all locations were generally at or below De minimum detectable level in the solu-ble fraction. Results of the insoluble fraction generally indicated a 3 small amount of activity present. Those values were similar to E those seen in previous years and can be attributed to the presence of sediment, a reservoir of fallout and natural alpha emitters. l

c. Gmss Beta I

Samples from all eight stations, were analyzed for concentrations E of gross beta in the soluble and insoluble fractions. Results of 5 l gross beta analysis in surface water samples can be found in Tai >les VII and VIII, Section V. The concentrations detected in the soluble and insolubla fractions vere within the range observed during the preoperational period for Units #2 and #3. (1) A graphical compari-8

I son of two Conowingo Dam stations (4F ana 9G) with one Holtwood C:m station (6A) shows the msults of the soluble fraction to be generally the same for all thme locations. However, results of the insoluble I fraction differ rignificantly (Figures 6 and 7, Section VI). This difference can be attributed to the presence of varying amounts H sediment in samples taken at different depths. Samples from str on 4F, with the highest concentrations of beta emitters in the inso,,,ble I fraction, contains the highest amount of sedimnt. Samples fmm stations 6A and 4G indicated lesser concentrations of beta emitters and sediment. I d. Gama Spectromtry I Samples from all eight stations, were analyzed for gama-emitting nucli<ies by gamma spectrometry. Results of gama spectrometry on surface water sam-ples can be found in Table IX, Section V. The nuclides searched for were below the minimum detectable level.

e. Iodine-131 Samples collected during the last week of each mnth from 1/19/89 to 9/6/80 from two stations (4L and 61) were analyzed for concentrations of I-131.

Results of I-131 analysis of surface water sa@les can be found in Table I VIII, Section V. Most msults were below the minimum detectable level. Detectable level were found from station 4L in January and at station 61 in April and May with no significant differences between the upstream and downstmam stations.

2. Discharge Water Samples were taken from two stations (IM and Itti) on a enthly schedule (mfer to Figure 1, Section VI, for station locations). The following analyses wem perfomed on discharge water samples.

a. Tritium Total sa@les from both stations wem analyzed for concentrations of aqueous tritium on a monthly basis. Results of tritium analysis in discharge water samnles can be found in Tables X and XI, Section V. The concentrations de-tected were well within the range found during the Peach Bottom Units #2 and

        #3 preoperational period (1). A graphical comaarison of concentrations of aqueous tritium results for co@osite surface v 7ter and discharg . water sam-ples showed no significant differences (Figum ?, Section VI).

b. Gmss Beta l Monthly samples from both stations were analyzed for gross beta concentrations I in the soluble and insoluble fractions. Results of these analyses in discharge l water samples can be found in Tables X and XI, Section V. The concentrations de-i tected were within the range found during the Peach Bottom Units #2 and #3 pre-operational period (1). Graphical ca@arisons of results for composite surface and discharge water samples showed no significant diffemnces in concentration l

in either the soluble or the insoluble fractions (Figures 9 and 10, Section VI). l 9

c. Gama Spectrometry Samples from uoth stations were analyzed for gama-emitting nuclides by spectronc4ry. Results of gama spectrometric analysis of samples from all stations are given in Table XII. Section V. All nuclides were less than the minimum etectable level.

3. Well Water !

Samples were taken from four stations on a quarterly schedule. Two stations (10 and IV) wem loceted within the Site Trea. The other stations wem located appro::imately one mile (station 40) and 10 miles (station 7) from the plant. These station locations are shown in Figures 1 and 2. Sectbn VI. The following analyses were perfomed on well uter samples, l

a. Tritium Total samples from all four stations were analyzed for aqueous tritium concentrations. Results of tritim analysis of well water samles can be found in Table XIII. Section V. Results of all samples were well within the range found during the Peach Bottom Units #2 and #3 preop-erational period (1). A graphical comparison of the distant site-area, and on-site wells showed that tritim levels have been gradually de-creasing with time due to the cessation of routine atmospheric nuclear weapons testing (Figure 11. Section VI).

b. Gross Beta Samples from all four stations were analyzed for gross beta concentra-tions in the soluble and insoluble fractions. Results n' gmss beta analysis on well water sagles can be found in Table X' Section V. The concentrations detected were within the range t ,d during the Peach Bottom Units #2 and #3 preoperational period (1).

4, Precipitation Precipitation was collected from two stations on a monthly schedule. Station IA is located at the on-site Peach Bottom Weather Station #1. Station 8. located in Colora. MD., is approximately 10 miles from the g Site (for station location, mfer to Figures 1. and 2 Section VI). The 5 following analyses were performed on precipitation sanples.

a. Gross Beta Monthly samples were analyzed for gmss beta concentrations in the total sample. Results of gross beta analysis in precipitation sam- E ples can be found in Table XIV. Section V. Most concentrations de- E tected were within the range found during the Peach Bottom Units #2 and #3 preoperational period (1). Samples collected from Stations 1A and 3 between 11/01/80 and 1/10/81 showed significantly higher levels than the rest of the year. These values reflect the world-wide fallout from the Chinese atmospheric nuclear weapons test of October 15.

10

I b. Gamma Spectrometry Monthly samples were analyzed for gamma-emitting nuclides by spec-tmmetry of the total sample. Results of gamma spectmoetric anal-ysis of samples from both stations are given in Table XV, Section I V. The only nuclide detected was naturally-occurring Be-7.

5. Air Particulates I Continuous air particulate samples were collected from two stations (1Z and 4A) located at the on-site Peach Bottom Weather Station #1 I and the intermediate distant Conowingo Dam Powerhause roof, respec-tively (for station locations, see Figure 1 and 2, Section VI). The following analyses were performed on air particulate samples,

a. Gross Beta Weekly samples were analyzed for concentrations of gross beta acti-vity. Results of gross beta analysis of air particulate samples can be found in Table XVI, Section V. Rasults observed were sim-ilar to levels observed ir. previous years until the beginning of Novenber. (2) The increased activity in Novenber and December can be attributed to world-wide fallout from the Chinese atmospheric nuclear weapons test. Similar concentrations have been detected thmughout the 111ddle Atlantic Region,

b. Gamma Spectrometry Monthly composite samples were analyzed for gamma-t.mitting nuclides by gamma spectrometry. Results of gamma spectrometr:c analysis are given in Table XVII, Section V. Be-7 was detected in ali 23 samples and is the result of cosmic ray activity. Several other nuclides found (K-40, Zr-95, Nb-95, Ru-103, Cs-137, Ce-141 and Ra-?:6) were similar to those detected in previous years. These conentrations can be attributed to world-wide fallout from the Chine',e atmospheric I nuclear weapons test. Similar concentrations have be en detected throughout the Middle Atlantic Region. Extremely low levels of Co-60, 2n-65, Cs-134 and Cs-137 were detected at on-site station (1Z) in July. These may be due to PBAPS operation. However, no similar activity was found at any off-site station and the dose consequence was very small.

6. Air Iodine Continuous air samples were collected at eight stations and analyzed weekly for I-131. Three stations (IB,12, 2) were located within the Site area. Four stations (3A, 5, 6B,14) were located at inter-mediate distances of 1.9 to 5.3 miles from the Site. One station (12D) was located 62 miles from the Site. Results of I-131 analysis can be i

found in Table XVIII, Section V. Of the 331 analyses performed all re-sults were less than the minimum detectable level.

7. Milk Milk was sampled at eleven farms; three farms (G, J and 0) located within iIl 11

twn miles of PBAPS were designated "near farms"; four fams (D, L, M and N) loca- g ted 3 to 5 miles from PBAPS were designated as " intermediate fams"; an'd four 3 farms (A, B, C and E) located greater than five miles from PBAPS were designated as " distant farms". The following analyses wem perfomeu en milk samples.

a. Tritium Milk from four fams (A, C, G and J) was analyzed for tritium concentrations in the aqueous fraction on a quarterly basis. Results of tritium detemina- '

tions in milk samples can be found in Table XIX, Section V. Ccncentrations detected were generally within the range found during the Peach Bottom Units

     #2 and #3 preoperational period (1).

b. Iodine-131 Milk from eight fams (A, B, C, D, G, J, N and 0) near Peach Bottom was analyzed for concentrations of I-131, monthly in January, February, March and Deced er. Weekly sanpling was msuned during the last week of March E and continued thmugh the fourth week of Nove2er. Thme additional farms 5 (L. M and E) were sanpled and analyzed quarterly for I-131. Results of I-131 analysis can be found in Tables XIX and XX, Section V and Figure 12, Section VI.

Except for fams C and E, Iodine-131 activity was detected in milk samples taken from all farms beginning October 27. These concentrations were attri-buted to fallout from the Chinese atmospheric nuclear weapons test of October 15, since similar levels were detected at near and distant fams. Similar concentrations were also observed throughout the Middle Atlantic region. Samples taken October 27 at fams A, B, G, J, N and 0 showed concentrations of I-131 ranging from .07 to .20 pCi/1. Fams A, D, G and N showed concen-trations of I-131 ranging from .13 to .20 pCi/l on sanples collected Noveder

3. Samples collected November 10 at fams A, B, D and N showed detectable concentrations ranging from .09 to .40 pCi/1. Fams J, L, M and N showed detectable concentrations ranging from .07 to .29 pCi/l on Noveder 17.

Detectable levels ranging from .07 to .33 pCi/1 were observed in samples taken from farms A, B, G, J and N on Novenber 24. Concentrations at all farms dmpped to near or below the detection limit cf .07 pCi/1 by the Deceder 16 sampling. The concentrations detected averaged 0.110.2 pCi/l for the six week period at all fams. The maximum hypothetical dose to an infant's thyroid was cal-culated to be .05 mmm. This calculation was done using the assumptions of USNRC Regulatory Guide 1.109, Rev.1, October 1977 which include an infant drinking 0.9 liters of milk per day and an I-131 ingestion dose fac-tor of 0.0139 mmnt /pC1.

c. Sr-89 & Sr-90 One milk sample was collected at fam J in each quarter and analyzed for l Sr-89 and Sr-90. Results can be found in Table XIX, Section V. These concentrations were similar to those observed in previous years.

! d. Gamma Spectmmatry l One milk sample collected at fam J in each quarter was analyzed for gama-l 12

I emitting nuclides by gama spectrometry. Results can be found in Table XXI, Section V. Nuclides detected were naturally-occurring K-40 and Cs-137. Cesium-137 is comonly found in milk as a result of world-wide fallout.

8. Soil I Samples wem taken at three locations, one on-site station (2) and two distant stations (3A and 5) located about four miles away from PBAPS (for station locations, see Figures 1 and 2, Section VI). The area at station 2 is heavily wooded with rock outcroppings. The soil at this I location would be expected to contain substantial humus from the accu-mulation of natural vegetation debris. Station 3A is cove n d only with grass. Station 5 is a codination of grass and cultivated land. The following analyses were performed on s, oil samles,

a. Strontium-89 and Strontium-90 Camples from all stations were analyzed for Sr-89 and Sr-90 concentrations in the top one inch and bottom five inches separately. Results of Sr-90 and Sr-89 analysis in soil sa@les can be found in Table XXIII, Section V.

Concentrations of Sr-90 detected were within the range found during the PBAPS Units #2 and #3 preoperational period (1). Concentrations of Sr-89 wem at or near the minimum detectable level in all samples. Graphical comparisons of Sr-90 in the top one inch and bottom cut showed no signi-ficant diffemnces between on-site and distant locations (Figum: 13 and 14, Section VI).

b. Gama Spectrometry Samples from all stations were analyzed for gama-cmitting nuclides by Ge(Li) gama spectront try (Table XXIII, Section V). Nuclides iden-tified wem generally the same as those found during the PBAPS Units

         #2 and #3 preoperational period with most at the same or lower concen-I       trations (1). Some naturally-occurring nuclides were found (K-40, Th-232, Ra-226). Small concentrations of Cs-137 wem detected in all twelve samples. The 30 year half-life and biological assimilation of Cs-137 accounts for the continued appearance of this nuclide in soil samples many years after atmospheric testing of nuclear weapons.      Di f-
      ' femnces in concentration of Cs-137 at the on-site location (2) can be attributed to the accumulation of vegetative debris at this location l

(see Figures 15 and 16, Section VI). Since no Cs-134 or other Station mlated nuclides were found in any of these samples, the Cs-137 can be attributed to worldwide fallout.

9. Ambient Gamma Radiation A2ient gamma radiation levels were measured with calcium sulfate:

l I Tm thermoluminescent dosimeters. Twelve stations (IB, IC,1D, IE,1F,1G,1H, IJ, IL,1M, 2 and INN) l were located around the Site boundary and designated as the " site boundary ring" for comparison purposes. Twenty-six stations (3A, 4K, 5, 6B, 14, 15, 17, 22, 23, 26, 27, 31, 32, 33A, 38, 40, 42, 43, 44, 45, 46, 47, 48, 49, 50 and 51) were located within a 10 mile radius of the Site and designated as the " middle ring". Seven 13

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". Two stations (1A and II) l located within the plant corplex constitute a fourth group called plant-com- W plex stations, since they could be more directly affected by plant activities and do not represent doses to the public (for station locations, see Figures 1, 2 and 3. Section VI). Results of TLD measumments are listed in Tables XXIV, XXV and XXVI. Section V. Stations INN, 40, 42, 43, 44, 45, 46, 47, 48, 49, 50 and 51 which wem added to the program in July were not used in calculating the TLD summary tables (Tables VI and XXVI). The annual average of monthly, and quarterly, radiation levels were within the range found during the Peach Bottom Units #2 and #3 preoperational period (1). Graphical comparisons of the site-boundary, middle and outer rings on monthly and quarterly readings showed no differences in asient radiation levels with distance from PBAPS, indicating no measurable Station contribu-tion (Table XXVI Section V, Figures 17 and 18, Section VI). As reported in the 1979 PBAPS Radiological Envirenmental fionitoring Pro-gram report, an investigation conceming the Septeder monthly results was conducted. The investigation arose when certain locations which generally have a monthly atient gamma radiation level between 7 and 9 mR showed some-what lower levels in Septe2er; whereas locations which generally have low radiation levels showed the reverse trend. A comparison of the Septe2er data with data collected in a special study indicated that the September data were anomalous. An initial investigation indicated that the TLDs were not subjected to any unusual handling, either in the field or in the laboratory. As a result of this investigation both the TLDs and the reader used to calculate the Septenter data were further investigated. The reader was calibrated accor-ding to manufacturer's reconrendation and the TLDs were exposed to 10 mR, utilizing a standardized Cs-137 source. The results showed an average re-sponse of 10.4 0.6 mR which indicates that the TLDs are acceptable. In a light of these result: and considering that this phenomenon has not recurred, g no obvious conclusions can be made to explain the September data. I 14

p __ I I I I I IV. SUISMRY AND CONCLUSIONS I I I I

IV. SulttARY N1D C0tiCLUSI0f1S This report on the radiological environmental nonitoring program conducted at the Peach Bottom Atomic Power Station for Philadel-phia Electric Co@any by Radiation Hanagement Corporation covers the period January 1,1980 to December 31, 1980. During this per-tod 4076 analyses were perfomed on 3464 samples. Surface water and discharge water sa@les were analyzed for con-centrations of tritium, gross beta, and gama-emitting nucWies. Surface water was also analyzed for concentrations of gross alpha. Comparisons of unaffected stations with potentially affected sta-tions, in Conowingo Pond, showed no significant difference in con-centrations of the radionuclides studied. It was shown that no significant differences existed between the preoperational and operational periods; therefore, it can be concluded that the levels of radioactivity in Conowingo Pond water have not been measurably influenced by the operation of the Peach Bottom Atomic Power Station. High sensitivity I-131 analyses were perfomed on weekly air sa@les. All msults were less than the minimum detectable level. High sensitivity I-131 analyses were also perfomed on weekly milk sa@les while cows wem on pastum and on monthly sa@les while cows wem not grazing. Low concentrations measured in the fall were attri-buted to fallout from the Chinese atmospheric nuclear weapons testing which occurred October 15. Soil samples were analyzed for concentrations of Sr-90, Sr-89 and gamma-emitting nuclides and levels observed were similar to pm-operational data. Environmental gama radiation measurements were made using themo-luminescent dosimeters. Results from the site-boundary, middle and outer rings were found to be not significantly diffemnt, so it can be concluded that the operation of Peach Bottom Atomic Power Station l did not produce measurable levels of ant >ient gama radiation at any off-site location. ( In assessing all the data gathered for this report and co@aring the l results with preoperational data, it is evident that the operation I of the Peach Bottom Atomic Power Station resulted in no significant l radiological impact on the environment. l lI 15

REFERENCES (1) Radiation Managenent Corporation Publication, Peach Bottom , Atomic Power Station Pmoperational Jtadiological Monitoring Report for Units #2 and #3, January 1974, Philadelphia, Pa. (2) Intemx Corporation, Peach Bottom Atomic Power Station Regional Environs Radiation Monitoring Pmgram Pmo)erational Sumnary Report, Units #2 and #3, February h 1966 tl1 rough August h 1973, June 1T77 NatTck, Mass. l l 16

 - _ _ - - -   ------,,____._-u- _.. _,_ . . _ _ -   ,

aa.---- w -_- - Am w*-A-- A., a --a .me-m a& .s.-m aa . - , - , l I-I , I l l I l' I , 1 l l l I V. TABLES l o I i l i l' t f I l I 1 1 I

TABLE I I Rf4C STATION DESIGNATION AllD SA!1PLE IDEllTIFICATION SYSTEli VV-WWW-XXYZ General code for identification of samples, where: VV - Power Plant identification code PB - Peach Bottom Atomic Power Station WWW - Type of Sample APT - Air Particulates AIO - Air Iodine IDii - Inmersion Dose f1LK - liilk DWA - Discharge Water RWA - Rain Water SWA - Surface Water WWA - Well Water l

S0L - Soil l

M - Angular Sector of Sampling Location Conpass is divided into 36 sectors of 10 degrees each with center at Peach Bottom off-gas stack. Sector 36 is centemd due North, and others are nuntered in a clockwise direction. Sector 00 is used to designate an unidentified dimetion. _Y_ - Radial Zone of Sanpling Loca, n (In this report, the Radial distance from the Peach Bottom off-gas stack for all regional stations). lE S: on-site location D: 3-4 miles off-site 1E A: 0-1 mile off-site E: 4-5 miles off-site B: 1-2 miles off-si te F: 5-10 miles off-site C: 2-3 miles off-site G: 10-20 miles off-site 11 : 20-100 miles off-site I Z_ - Station's Numerical Designation within sector and zone, using 1,2,3.... in each sector and zone.

TABLE 1I R!!C SN1PLE COLLECT!0ri AND AriALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTI0fi METHOD ANALYSIS AND FREQuciCY NO. STATION NAf1E DESIGNA. TION FR0t1 PEACH BOTTOM & FREQUEtGY PERFORMED A. SURFACE WATER ILL Peach Bottom PB-SWA-6S4 Continuous sampler Water is continuously samled Tritium - Monthly Units 283 On site at Units 2&3 Intake from the Peach Bottom Units Gross Beta (S+1) - tionthly Intake - Composite 1200' ENE of Units 2 1 3 2&3 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 form a monthly co@osite sa@le. IQ Peach Bottom PB-SWA-653 On site at Unit #2 Intake Two gallon grab sa@le is Sace as station ILL above Unit a2 about 1200' ENE of Units 2&3 collected in fmnt of intake Intake structure monthly. 4F Conowingo Dam PC-SWA-14F2 In the Conowingo Hydro- Two gallon grab sa mle is Tritium - quarterly co@. El. 33' electric Station 3.6 taken monthly from the same Gross Alpha (S+I) - monthly MSL miles SE of Units 2 & 3. header which is used for the Gross Beta (S+I) - monthly composite samle (4L). This Gama Spec - monthly header continuously draws pond water from about elevation 33' MSL. This sa mle and PB-SWA-14F3 samles are collected at the same time. 4G Conowingo Dam PB-SWA-14F3 At Conowingo Dam in Two gallon grab sa@le is Gross Beta (S+I) - monthly Surface Maryland, 8.5 miles SE collected near the surface Gama Spec - monthly of Units 283. Water sa@le of the pond on the upstream is taken from Conowingo side of the dam monthly. Pond on upstream side of dam. 6L Conowingo Dam PB-SWA-14F5 Continuous sampler in Water is continuously sampled Tritium - monthly El. 33' MSL - Conowingo Hydroelectric from a header which draws Pond Gross Alpha (S+I) - monthly Co @osite Station; about 8.6 miles water from elevation 33' MSL Gross Beta (S+I) - monthly SE of Units 2 & 3. and is collected in a 175 gal. Gama Spec - monthly . tank. Each week 2 qts, are withdrawn from the tank prior to draining the tank and placed in a 2 gal. polyethylene bottle to form a runthly co@osite sa@le. GA Holtwood Dam PB-SWA-33F1 At Holtwood Dam, Pa., Two gallon grab sample is col- Same as station 4F above Hydroelectric 5.8 miles NW of Units 2&3. lected from Holtwood Pond at Station Hydroelectric Station intake monthly. m M M M M - m

M M M M M TABLE II (cont.) RMC SAf1PLE COLLECTION AND ANALYSIS PROGRAfi ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FR0ti PEACH BOTTOM & FREQUENCY PERFORMED 6I Holtwood Dam PB-SWA-33F4 Continuous sa@ler at Water is continuously Tritium - monthly Hydroelectric Holtwood Dam. Pa. 5.8 sa@ led from the Holtwood Gross Alpha (S+I) - monthly Station-Co@osi te miles NW of Units 2 & 3. Hydroelectric Station Gross Beta (S+I) - renthly Intake and is collected in Gama Spec - monthly a 175 gal, tank. Each week 2 qts. are withdrawn from the tank prior to craining the tank and placed in a 2 gal. polyethylene bottle to forvn a conthly comosite sa mle. 13A Chester Water PB-SWA-1101 On east shore of Conowingo Two gallon grab sa mle Tritium - quarterly co@. Intake-Pond Pond at Chester Water is collected from Conowingo Grose Beta (S+I) - monthly Authority Intake, 2.4 Pond near the shore rtonthly. Gama Spec - monthly miles ESE of Units 2 & 3. 13B Chester Water PB-SWA-11C2 At Chester Water Authority Two gallon grab samle is Gross Beta (S+I) - monthly Intake-pu@ Intake. The same as collected from pu@ discharge Gama Spec - monthly Discharge PB-SW-11C1 but the samle during any month that the is collected from the purp purp operates, discharge. B. DISCHARGE WATER IM Peach Bottom PB-DWA-1352 Located at Canal Discharge Two gallon grab sa@le is Trititsa - monthly Canal Discharge structure; 1.0 miles SE collected at the exit of Gross Beta (S+I) - monthly of Units 2 & 3. the discharge canal monthly. Gama Spec - monthly IMM Peach Bottom PB-DWA-1355 A continuous sampler Water is continuously sampled Same as station 1M above Canal - on site at canal discharge from the Peach Bottom Unit Discharge - 1.0 miles SE of thits 2 & 3. 283 discharge canal and is col-Co @ osite lected in a 190 aallon tank. Each week 2 qts. are withdrawn from the tank prior to drain-ing the tank and placed in a 2 gal polyethylene bottle to form a rionthly co@osite samle.

TABLE II (cont.) FJ1C SAMPLE COLLECTION AND ANALYSIS PROGRAM ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION ftETHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FROM PEACH BOTT0fi & FREQUENCY PERFORMED C, WELL WATER IU Peach Bottom PB-WWA-15S2 Well at plant site. 1400' Well purp is rm for Tritium - quarterly Si te-Utility S of Units 2 & 3. several minutes prior to Gross Beta (S+1) - quarterly Building samling in order to flush the sa@le line. Then two gallon grab sa@le is taken from the building faucet quarterly. IV Peach Bottom PB-WWA-1252 Well at plant site. 1400' Sare as station IU above Sane as station IU above Site info. SSE of Units 2 & 3. Cent - 7 Darlington, Md. PB-WWA-16F1 9.6 miles SSE of Units 2 & 3 Same as station IU above Same as station 10 above Area in Harford Co., Md. 40 Peach Bottom PB-WWA-21B2 Well in site Area. Sare as station 1U above Same as station 7 above Site Area 1.5 miles SW of Units 2 & 3. D. AIR PARTICilLATES - AIR IODINE IB Peach Bottom PB-AIO-3351 On site, 0.3 miles SE of About I cfm continuous flow I-131 - weekly Weather Station Units 2 & 3. through charcoal filter

                     #2                                                                (approx. 2" diam.) is in-stalled for a week and re-placed.

IZ Peach Bottom PB-APT-1154 On site at Weather Station About I cfm continuous flow Cross Beta - weekly Weather Station #1, 0.3 miles SE of Units 283. through glass fiber and char- I-131 - weekly

                     #1                                                                coal filters (approx. 2"          Gama Spec - monthly cow.

diam.) are installed for a week and replaced. 2 Peach Bottom PB-AIO-1351 On site, 0.9 miles SE of Same as station IB above I-131 - weekly Site 130" Sector Units 2 & 3. Hill 3A Delta, PA. PB-A!0-23D1 3.6 miles SW of Units 2 & 3 Same a: station IB above I-131 - weekly Substation at Delta, PA. 4A Conowingo Dam PB-AIO-14F 8.6 miles SE of Units 2 & 3 About I cfm continuous flow Gross Beta - weekly Powerhouse roof on Powertiouse roof in Cecil through a glass fiber filter Gama Spec - monthly comp. County, f1D. (approx. 2" diam.) is installed for a week and replaced. 5 Wakefield, PA PB-AIO-8E1 At Wakefield, PA., 4.6 miles Sane as station IB above I-131 - weekly E of Units 2 & 3. M M M M M , M M M M M M

E E E E E E E E E TABLE II (cont.) RMC SAriPLE COLLECTION AND ANALYSIS PROGRAft ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD ANALYSIS AND FREQUENCY N0. STATION NAME DESIGNATION FROM PEACH BOTT0fi & FREQUENCY PERFORMED

0. AIR PARTICULATES - AIR IODINE (cont.)

6B Holtwood Dam PB-AIO-33F2 On the roof of Hydroelec- Sam as station 18 above I-131 - weekly Hydroelectric tric Station, 5.3 miles NW Station of Units 2 & 3. 14 Peters Cmek PB-AIO-10C1 1.9 miles ESE of Ur.its 2 & 3 Same as station 18 above I-131 - weekly near routh of Peters Cmek - 12D Phila. , PA PB-AIO-8H2 62 miles ENE of UnRs 2 & 3 Same as station IB above I-131 - weekly 2301 Market St. on the roof of 2301 flarket Street E. PRECIPITATION 1A Peach Bottom PB-RWA-1151 On site at Weather Station The sanple from the rain Gross Beta - monthly Weather #1, 0.3 miles SE of Units collector is shipped to Gama Spec - monthly Station #1 2 & 3. Rf1C conthly. The rain collector consists of an 8-inch diameter plastic fmnel connected to a two-gallon polyethylene container. 8 Colora, Md. PB-RWA-12F1 9.9 miles ESE of Units 2 & 3 Sare as station IA above Same as station IA above in Cecil , Co. , Md. _F_. MILK Regional PB-MLK-24F1 Distant regional farms Two gallon grab sample I-131 - weekiy Fam A surrounding the site, is collected at each Aq tritium - quarterly designated "A", "B" and fam from a tank containing Regional PB-MLK-19G1 "C" on the west side of milk from all cows weekly I-131 - weekly , Farm B Conowingo Pond and "E" while cows am an pasture, on the east side of monthly otherwise. Sanples am shipped to Rf1C. Regional PB-MLK-31F1 Conowingo Pond. Near- Same as station A above Fa m C by mgional fams surrounding the Peach Regional PB-MLK-5D1 Bottom site on the west Same as station B above Fa m D side of Conowingo Pond are designated "G", "H"

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 FR0ti PEACH BOTTOM & FREQUENCY PERFORMED F. MILK (cont.) Regional PB-MLK-36F1 and "0". Regional fams Same as station A above I-131 - quarterly Farm E at inte mediate distance; except quarterly from Peach Bottom on the Pagional PB-MLK-20B1 east side are designated Same as station A above Farm G "D", "L", "it" and "N". Reg' >nal PB-MLK-28A1 I-131 - weekly Fam J Aq tritium - quarterly Sr-89 & quarterly Ganvaa Spec - quarterly Regional PB-MLK-5B1 Same as station A above I-131 - quarterly Faru L except quarterly Regional PB-Pt.K-7 C ' Sane as station A above Same as station L abo a Farm M except quarterly Regional PB-MLK-11C3 Same as station B above Farm N Regional PB-MLK-22C1 Same as station B above Farm 0 G. S0IL 2 Peach Bottom PB-50L-1351 On site, 0.9 miles SE Seven cores (2" in diacuter Gamma Spec- semi-annual 130" Sector of Units 2 & 3. and 6" deep) are collected Sr-89 & semi-annual Hill from a 50 X 50 ft. area semi-annually. Top 1 inch and bottom 5 inches are separated, sealed in pir.stic bags, and shipped to RMC. 3A Delta, Pa. PB-50L-23D1 3.6 miles SW of Units 2 & 3 Same as station 2 above Same as station 2 above Substation at Delta Pa. 5 Wake (ield, Pa. PB-50L-8E1 4.6 miles E of Units 2 & 3 Same as station 2 above same as station 2 above at Wakefield, Pa. m m m m m m m m m m m m W

E E E E E E E - M M M M M M M M TABLE II (cont.) RMC SAMPLE COLLECTION AND ANALYSIS PROGRAli ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION fiETHOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FR0!i PEACH BOTT0ri & FREQUENCY PERFORMED H. ENVIRONMENTAL 00SIMETRY - TLD At each of the following stations there are 2 environrental Asireter packets with 4 TLDs per package. One packet is replaced monthly, and one quarterly. The pNkets for each tire period am collected and replaced on the same day at all the stations. IA Peach Bottom PB-IDib1151 On site, 0.3 miles SE of Procedum for collection TLD - monthly & quarterly Weather Units 2 & 3. is described in the Station #1 placement procedum in Sec. II., A. IB Peach Bottom PB-IDri-3351 On site, 0.5 miles NW of TLD - monthly & quarterly Weather Units 2 & 3. Station #2 1C Peach Bottom PB-IDri-1651 7n site, 0.9 miles SSE of TLD - monthly & quarterly South Units 2 & 3. Substation Rd. ID Peach Bottom PB-IDri-1451 On site, 0.7 miles SE of TLD - monthly & quarterly 140' Sector Units 2 & 3. 51 +e Boun da ry 1E Peach Bottom PB-IDri-3SS1 On site, 0.6 miles NNW of TLD - monthly & quarterly 350' Sector Units 2 & 3. Site Boundary IF Peach Bottom PB-IDfi-20S1 On site, 0.6 miles SSW of TLD - conthly & quarterly 200* Sector Units 2 & 3. Hill 1G Peach Bottom PB-IDM-3051 On site, 0.7 miles WNW of TLD - monthly & quarterly North Units 2 & 3. Subs tation 1H Peach Bottam PB-IDM-27S1 On site, 0.6 miles W of TLD - monthly & quarterly Site 270' Units 2 & 3. Sector Hill II Peach Bottom PB-IDii-15S1 On site, 0.6 miles SSE of TLD - monthly & quarterly South Units 2 & 3. Substation IJ Peach Bottom PB-IDfi-1851 On site, 0.7 miles S of TLD - monthly & quarterly Site 180' Units 2 & 3. Sector Hill

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 FR0ft PEACH BOTT0tl & FREQUENCY PERFORMED H. ENVIRONMENTAL DOSIMETRY - TLD (cont.) IL Peach Bottom PB-IDri-652 Located near Unit 3 TLD - monthly & quarterly Unit 3 Intake structum; 0.2 miles Intake ENE of Units 2 & 3. IM Peach Bottom PB-IDri-1352 Located near Canal Discharge TLD - monthly & quarterly Canal Discharge structure; 1.0 miles SE of Units 2 & 3. INN Peach Bottom PB-IDM-2651 On site, 0.5 miles WSW of TLD - monthly & quarterly Si te Units 2 & 3. 2 Peach Bottom PB-IDf t-1351 On site, 0.9 miles SE of TLD - renthly & qua,-terly Site 130' Units 2 & 3. Sector Hill 3A Delta, Pa. PB-IDH-23D1 3.6 miles SW of Units 2 & 3. TLD - monthly & quarterly Subs tation 4K Conowingo Dam PB-ID!i-14F1 On roof of Conowingo Power- TLD - monthly & quarterly Powerhouse house, 8.6 miles SE of Units Roof 2 & 3. 5 Wakefield, Pa. PB-IDM-8E1 At Wakefield, Pa. 4.6 miles TLD - monthly & quarterly E of Units 2 & 3. 6B Holtwood Dam PB-ID!1-33F2 On roof of Hydroelectric TLD - monthly & quarterly Hydroelectric Station, 5.8 miles NW of Station Units 2 & 3. 12B Phila., Pa. PB-IDfi-3H1 On roof of Radiation TLD - monthly & quarterly 3508 Market St. fianagement Corp., Philadelphia, Pa., 64 miles E of Units 2 & 3. 14 Peters Creek PB-IDif-10C1 1.9 miles ESE of Units 2 & 3 near TLD - monthly & quarterly the mouth of Peters Creek 15 Silver Spring PB-IDit-35D1 3.6 miles N of Units 2 & 3 near TLD - monthly & quarterly Road Silver Spring Road 16 Nottingham, Pa. PB-IDH-9G1 12.8 miles E of Units 2 & 3 at TLD - monthly & quarterly Substation Nottingham Substation W M M M M M M M M . M M M M M M

m W m m m m M W M M M M M M M M TABLE II(cont.) Rf1C SA!!PLE COLLECTION N1D ANALYSIS PR0r,RAf1 ENV. STATION LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION 11E'. HOD ANALYSIS AND FREQUENCY NO. STATION NAME DESIGNATION FR0ft PEACH BOTT0ff & FREQUENCY PERFORMED l l l H. ENVIRONMENTAL DOSIMETRY - TLD (cont.) 17 Ri verview PB-IDit-11El 4.0 miles ESE of Units 2 & 3 TLD - monthly & quarterly l l Road near Riverview Road. 18 Fawn Grove, Pa. PB-IDit-26F1 10 miles W of Units 2 & 3 at TLD - monthly & qua*te-ly Fawn Grove, Pa. 19 Red Lion, Pa. N-IDif-30G1 20.6 miles WNW of Units 2 & 3 TLD - monthly & quarterly at Red Lion, Pa. 20 Bel Air, Md. PB-IDit-20G1 15.1 miles SSW of Units 2 & 3 TLD - monthly & quarterly Area near Bel Air, Maryland. 21B Lancaster, Pa. PB-IDit-35G1 19 miles istW of Units 2 & 3 TLD - trunthly & quarterly Area near Lancaster, Pa. 22 Eagle Road PB-I D'1-3C1 2.4 miles NNE of Units 2 & 3 TLD - monthly & quarterly near Eagle Rcad. 23 Peach Bottom PB-I D!1-15% Off-site Hill 1.0 miles TLD - monthly & quarterly 150* Sector Hill SSE of Units 2 & 3. Off site 24 Harrisville, Md. PS-IDfi-11G1 10,9 miles ESE of Units 2 & 3 TLD - monthly & quarterly Substation at ilarris Substation 26 Slab Road PB-IDf1-21El 4.2 miles NW of Units 2 & 3 TLD - monthly & quarterly near Slab Road. 27 N. Cooper PB-IDit-18C1 2.6 miles 5 of Units 2 & 3 TLD - monthly & quarterly Road near N. Cooper Road. 31 Pilotown PB-IDM-13F1 4.9 miles SE of Units 2 & 3 TLD - monthly & quarterly Road near Pilotown Road. 32 Slate Hill PB-IDit-6C1 2.7 miles ENE of L' nits 2 & 3 TLD - monthly & quarterly Road near Slate Hill Road. 33A Fulton Main PB-IDf t-6En. 1.7 miles ENE of Units 2 & 3 TLD - monthly & quarterly Weather Station 38 Peach Bottom PB-IDf1-8D1 3.0 miles E of Units 2 & 3 TLD - monthly & quarterly Road near Peach Bottom Road.

TABLE II (cont.) RMC sal 1PLE COLLECTION AND ANALYSIS PROGRA!! ENV. STAT 4ON LOCATION STATION RMC STATION DIRECTION & DISTANCE COLLECTION METHOD. ANALYSIS AND FREQUENCY NO. STATION NAME DESIGIATION FR0ft PEACH BOTT0ft & FREQUENCY PERFORMID 40 Peach Bottom PB-IDri-21B2 In site area about 1.2 miles TLD - monthly & quarterly Site Area SW of Units 2 & 3. 42 Muddy Run PB-IDf1-35El 4.2 miles NNW of Units 2 & 3. TLD - monthly & quarterly Envi ronmental Lab 43 Drumore Township PB-IDri-2F1 5.0 miles NNE of Units 2 & 3. TLD - monthly & quarterly School 44 Goshen Mill PB-IDri-5F1 5.1 miles NE of Units 2 & 3. TLD - monthly & quarterly Road 45 PB - Keeney Line PB-IDfl-7D1 3.3 miles ENE of Units 2 & 3. TLD - manthly & quarterly 46 Broad Creek PB-IDf4-16El 4.5 miles SSE of Units 2 & 3 TLD - monthly & quarterly near Flintville Road. 47 Bread Creek PB-IDri-18E1 4.3 miles S of Units 2 & 3 TLD - monthly & quarterly Scout Camp 48 Macton Substation PB-IDit-2VE1 5.0 miles SSW of Units 2 & 3 TLD - monthly & quarterly 49 PB-ConTstone Line PB-IDff-25D1 4.1 miles WSW of Units 2 & 3. TLD - monthly & quarterly 50 TRANSCO Pumping PB-IDf1-26El 4.9 miles W of Units 2 & 3. TLD - monthly & quarterly Station 51 Fin Substation PD-IDfi-2901 4.0 miles WNW of Units 2 & 3. TLD - monthly & quarterly e M M m M M M M M m e M M M m W m m

m M M M M M M M M M M M M M M M M M M TAELE III

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis 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 1Q 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-11C1 Chester Water 12 4 24 12 40 Intake Pond 13B PB-SR-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 4L PB-SW-14F5 Conowingo Dam 12 12 24 24 12 9 81 El 33' - Composite 6A PB-SW-33F1 Holtwood Dam 12 4 24 24 12 64 Hydroelectric Station 6I PB-SW-33F4 Holtwood Dam 12 12 24 24 12 8 80 Hydroelectric Station

TABLE III (CONT.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis 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 B. DISCHARGE WATER IM PB-DW-13S2 Peach Bottom 12 12 24 12 48 Canal Discharge-Grab 1MM PB-DW-13S5 Peach Bottom 12 12 24 12 48 Canal Discharge - Composite C. WELL WAldR IU PB-WW-15S2 Peach Bottom site 4 4 8 12 Utility Bldg. IV PB-W-12 S 2 Peach Bottom Site 4 4 8 12 Info. Center 40 PB-W-21B 2 Peach Bottom 4 4 8 12 Site Area 7 PB-W-16F1 Darlington, MD Area 4 4 8 12 D. AIR IODINE AND PARTICULATES 1B PB-AIO-33S1 Peach Bottom 43 43 43 Weather Station #2 1Z PB-AP-11S4 Peach Bottom 52 51 12 42 105 Weather Station #1 2 PB-AIO-13S1 Peach Bottom Site 42 42 42 130* Sector Hill M M W W W M M M M M M M M M M M M M M

m W W W W W W W W W W W W W W W W W W TABLE III (CONT.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis 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 D. AIR IODINE AND PARTICULATES (continued) 3A PB-AIO-23D1 Delta, PA 43 43 43 Substation 4A PB-AP-14F Conowingo Dam 47 47 11 58 Powerhouse Roof 5 PB-AIO-8E1 Wakefield, PA 43 43 43 6B PB-AIO-33F2 Holtwood Dam 43 43 43 Hydroelectric Station 14 PB-AIO-10C1 Peters Creek 43 43 43 12D PB-AIO-8H2 Phila., PA 43 43 43 2301 Market St. E. RAIN WATER 1A PB-RW-11S1 Peach Botton 12 12 12 24 Weather Station #1 8 PB-RW-12F1 Colora, MD 12 12 12 24 F. MILK PB-M-24F1 Regional Farm A 39 4 39 43 PB-M-19G1 Regional Farm B 39 39 39

TABLE III (CONT.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis 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 F. MILK (continued) PB-M-31F1 Regional Farm C 39 4 39 43 PB-M-5D1 Regional Farm D 39 39 39 PB-M-36F1 Regional Farm E 5 5 5 PB-M-20B1 Regional Farm G 39 4 39 43 PB-M-28A1 Regional Farm J 39 4 4 39 4 4 55 PB-M-5B1 Regional Farm L 5 5 5 PB-M-7Cl Regional Farm M 5 5 5 PB-M-llc 3 Regional Farm N 39 39 39 PB-M-22C1 Regional Farm 0 39 39 39 G. SOIL 2 PB-E-13S1 Peach Bottom 4 4 4 4 12 130' Sector Hill 3A PB-E-23D1 Delta, PA 4 4 4 4 12 Substation 5 PB-E-8E1 Wakefield, PA 4 4 4 4 12

W W W M M M M M M M M M M M M M M M TABLE III (C0f1T.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis Station RMC Number of Gross Gross Gamma Total tio . Designation Location Samples H-3 Beta Alpha TLD Spec. I-131 Sr-89 Sr-90 Analyses H. ENVIRONMENTAL DOSIMETRY 1A PB-lD-llS1 Peach Bottom 64 64 64 Weather Station #1 IB 'B-ID-33S1 Peach Bottom 64 64 64 Weather Station #2 1C PB-ID-16S1 Peach Bottom 64 64 64 South Substation Road ID PB-ID-14S1 Peach Bottom 64 64 64 140* Sector Site Boundary lE PB-ID-35S1 Peach Bottom 64 64 64 350' Sector Site Boundary IF PB-ID-20S1 Peach Bottom 63 63 63 200* Sector Hill 1G PB-ID-30S1 Peach Bottom 63 63 63 North Substation 1H PB-ID-27S1 Peach Bottom 64 64 64 270* Sector Hill II PB-ID-ISSI Peach Bottom 64 64 64 South Substation IJ PB-ID-18S1 Peach Bottom 64 64 64 180* Sector Hill

TABLE III (CONT.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis 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 H. ENVIRONMENTAL DOSIMETRY (continued) IL PB-ID-6S2 64 64 64 ( Peach Bottom Units 2 & 3 Intake 1 IM PB-ID-13S2 Peach Bottem 64 64 64 Canal-Discharge INN PB-ID-26S1 Peach 50ttom Site 28 28 28 2 PB-ID-13S1 Pesch Bottom 64 64 64 130' Sector Hill 3A PB-ID-23D1 Delta, PA Substation 64 64 64 4K PB-ID-14F1 Conowingo Dam 64 64 64 Powerhouse Roof , s 5 PB-ID-8E1 Wakefield, PA 63 63 63 6B PB-ID-33F2 Holtwocd Dam 64 64 64 l I Hydroelectric Station 12B PB-ID-8H1 Phila., PA 64 64 64 3508 Market Street l 14 PB-ID-10C1 Peters Creek 64 64 64 1 15 PB-ID-36D1 Silver Spring Rd. 64 64 64 l 16 PB-ID-9G1 Nottingham, PA 61 61 61 Substation l l 17 PB-ID-11El Riverview Rd. 64 64 64 l l l E E N E E E E E E O E E E E E E E E

.1

W W W W W W W W W W W W W W W m M M M TABLE III (C0 FIT.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis 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 4 H. ENVIRONMENTAL DOSIMETRY (continued) 18 PB-ID-26F1 Fawn Grove, PA 64 64 64 I 19 PB-ID-30G1 Red Lion, PA 64 64 64 20 PB-ID-20G1 Bel Air, MD Area 64 64 64 21B PB-ID-35G1 Lancaster, PA 64 64 64 22 PB-ID-3Cl Eagle Road 64 64 64 23 PB-ID-15B1 Off-site 150' 64 64 64 j Sector Hill I 24 PB-ID-IlG1 Harrisville, MD 63 63 63 26 PB-ID-31El Slab Road 64 64 64 27 PB-ID-18C1 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 63 63 63 l Station 38 PB-ID-8D1 Peach Bottom Road 64 64 64 40 PB-ID-21B2 Peach Bottom Site Area 27 27 27 42 PB-ID-35El Muddy Run 27 27 27 Environmental Lab

TABLE III (C0tU.)

SUMMARY

OF ANALYSES PERFORMED ON SAMPLES COLLECTED DURING 1980 Type of Analysis Station RMC Number of Gross Gross Gamma Total 4 Wo. Designation Location Samples H-3 Beta Alpha TLD Spec. I-131 Sr-89 Sr-90 Analyses H. ENVIRONMENTAL DOSIMETRY (continued) 43 PB-ID-2F1 Drumore Township 27 27 27 School i 44 PB-ID-5F1 Goshen Mill Road 28 28 28 45 PB-ID-7D1 PB-Keeney Line 28 28 28 46 PB-ID-16D1 Broad Creek 28 28 28 1 47 PB-ID-18El Broad Creek 28 28 28 Scout Camp j 48 PB-ID-20El Macton Substation 28 28 28 49 PB-ID-25D1 PB-Conastone Line 28 28 28

50 PB-ID-26El TRANSCO Pumping 28 28 28 51 PB-ID-29D1 Fin Substation 28 28 28 TOTAL 3464 117 J96 96 2565 184 686 16 16 4076 M M W M M M M M M M M M M M M M M W W

M M M M M M M M M M M M M W W W W W W TABLE IV

SUMMARY

OF RADIOACTIVITY CONCENTRATIONS Sample Type and S mp s Number Period Period Period Pre-op Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units SURFACE WATER Potentially Aqueous Tritium (Grab) 12 6 < 60 190 ! 70 96 87 320 250 pC1/1 Affected Aqueous Tritium (Grab-Quarterly 8 1 <50 110 50 71 ! 35 - pCi/l Stations Comp.) (1Q, 4F, Aqueous Tritium (Composite) 24 9 <50 160 t 70 84 59 240 ! 30 pC1/1 4G, 13A-Grab) Gross Beta (Soluble-Grab) 48 48 .6t.4 3.5 0.4 1.9 2 1.1 3.3 ! 2.6 pCi/l (ILL & 4L Gross Beta (Soluble-Composite) 24 24 .9!.4 2.8 ! 0.5 1.8 2 1.1 3.5 2.6 pCi/l

                 -Composite)                                                                               Gross Beta (Insoluble-Grab)               48        38            <.2    6.8 !    0.6   1.4 !   3.5    3.4 1 3.1  pCi/1 (4F & 13A                                                                                 Gross Beta                                24        15            <.3     1.7 1   0.4   .73 !   .99    3.4 t 2.6  pCi/l
                 - Quarterly,                                                                              (Insoluble-Composite)

Composite for Gross Alpha (Soluble-Grab) 12 3 <.3 .9 ! .8 .68 2 .38 - pCi/1 Tritium) Gross Alpha (Soluble-Composite) 12 0 <.08 <.9 <.55 - pCi/l Gross Alpha (Insoluble-Grab) 12 8 < .1 3.4 ! 0.9 1.0 f 2.2 - pCi/l Gross Alpha (Insoluble-Composite) 12 7 < .1 1.3 ! 0.4 .33 0.8 -

                                                                                                                                                                                                                             ,;i/1 Unaffected                                                                                Aqueous Tritium (Grab-Quarterly            4         2            < 70    120      70    85 t     48        -

pC1/1 Stations Comp.) (6A-Grab) Aqueous Tritium (Composite) 12 6 < 60 140 70 88 2 50 - pCi/1 (6I-Composite) Gross Beta (Soluble-Grab) 12 12 1.1 0.4 3.1 2 0.5 1.9 t 1.3 3.5 0.4 pC1/1 (6A-Quarterly Gross Beta (Soluble-Composite) 12 12 1.1 0.4 2.8 2 0.4 2.0 t 1.1 - pCi/l Composite for Gross Beta (Insoluble-Grab) 12 8 < .2 3.3 ! 0.4 0.9 t 1.8 3.7 t 4.5 pCi/1 Tritium) Gross Beta 12 5 < .2 3.3 ! 0.4 0.7 ! 1.7 - pCi/1 (Insoluble-Composite) Gross Alpha (Soluble-Grab) 12 2 < .3 2.5 0.9 0.8 ! 1.2 - pCi/1 Gross Alpha (Soluble-Composite) 12 1 < . 07 1 .58 ! .55 - pCi/l Gross Alpha (Insoluble-Grab) 12 8 < .1 1.8 1 0.7 0.5 2 1.2 - pC1/1 Gross Alpha (Insoluble-Composite) 12 4 < .1 1.5 t 0.6 .39 1 .89 - pCi/1

TABLE IV (CONT.)

SUMMARY

OF RADIOACTIVITY CONCENTRATIONS No. of , , ,, ,,, Sample Type and Samples Number Period Period Period Pre-op Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units DISCHARGE WATER Potentially Aqueous Tritium (Grab) 12 5 <60 210 60 94 96 310 ! 200 pCi/1 Affected Stations Aqueous Tritium (Composite) 12 4 <60 130 ! 70 78 1 41 480 30 pCi/1 (IM - Grab) Gross Beta (Soluble-Grab) 12 12 1.2 t 0.4 2.9 ! 0.5 2.1 t 1.1 3.4 0.6 pCi/1 (IMM-Composite) Gross Beta (Soluble-Composite) 12 12 1.6 0.4 7.1 0.6 2.6 ! 3.0 3.4 t 0.6 pCi/1 Gross Beta (Insoluble-Grab) 12 9 <.3 1.4 2 0.4 .70 t .77 3.2 t 1.3 pCi/1 Gross Beta (Insoluble-Composite) 12 8 <.3 1.9 1 0.4 0.9 2 1.3 4.3 ! 2.5 pCi/1 WELL WATER On-Site Aqueous Tritium 8 3 <60 120 70 78 42 270 300 pCi/l Wells I (IU + lV) Gross Beta (Soluble) 8 4 <.3 1.1 0.4 .44 2 .58 3.1 t 0.8 pCi/1 Gross Beta (Insoluble) 8 <.2 2.8 t 0.4 0.9 ! 1.7 3.2 t 1.2 pCi/1 Site Area Aqueous Tritium 4 4 80 70 110 60 90 2 28 410 t 100 pCi/1 (40) Gross Beta (Soluble) 4 <.3 .9 t 4 .53 .53 3.0 t 0.1 pCi/1 Gross Beta (Insoluble) 4 <.3 1.7 ! 0.4 0.9 1.2 3.0 pCi/1 Distant Aqueous Tritium 4 0 <60 <70 <63 - pCi/1 Well (7) Gross Beta (Soluble) 4 4 1.1 ! 0.3 1.6 ! 0.4 1.4 t 04 - pCi/1 Gross Beta (Insoluble) 4 1 <.3 1.6 ! 0.3 0.6 1.3 - pCi/1 RAIN WATER On-S: te (1A) Gross Beta (Total) 12 11 <2 40 ! 3 92 21 4.8 ! 6.4 pCi/l Gross Beta (Total-Surfact 2 Density) 12 11 70 40 930 100 300 510 - pCi/m M M W W W W W M M M M M M M M M M W W

M M M M M e m W W W W W m m ee mea TABLE IV (C0 tit.)

SUMMARY

OF RADIOACTIVITY CONCENTRATIONS Sample Type and mp s Number Period Period Per!od. Pre-op * *

Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units RAIN WATER (Cont.)

Distant (8) Gross Beta (Total) 12 12 32 1 89 ! 4 13 1 48 - pC1/1 Gross Beta (Total-Surface 2 Density) 12 12 60 20 1300 2 oO 430 ! 770 - pC1/m AIR PARTICULATES Weather Station Cross Beta 50 50 .006 .004 .089 t .009 .033 .032 - pCi/m 3

                                                                                                                                                <.003                                                                     3
    #1 (12)                                                                                                               47             46                     .078     .008    .030        .031                   pCi/m Distant (4A)

A_IR 10DIt1E I-1 31 3 IB 41 0 < . 010 <.090 < . 018 - pCi/m lZ 40 0 < . 010 <.089 <.020 - pCi/m3 2 40 0 < . 010 <.086 < . 018 - pCi/m 3 3A 41 0 < . 011 <.095 <.019 - pC1/m 3 5 42 0 < 011 <.265 <.(33 - pCi/m 3 l 6B 42 0 <.011 <.109 <.025 - pCi/m 14 42 0 < . 010 <.098 <.023 - pCi/m 3 3 12D 43 0 < . 010 <.086 <.019 - pCi/m l MILK 4 i Near Farms Tritium (Aqueous Fraction) 8 6 <50 110 60 58 14 - pCi/1 (G,J,0) (milk) (G, J only for Tritium (Aqueous Fraction) 8 6 <60 130 ! 70 75 28 140 ! 248 pCi/1 Tritium) (water) I-131 117 7 <.04 .22 t .06 .058 .059 0.2 pCi/1 (milk) Sr-89 (Quarterly-Grab, Farm J) 4 1 <2.0 < 10 5.0 ! /.1 - pCi/1 (milk) Sr-90 (Quarterly-Grab, Farm J) 4 4 2.2 t 0.7 71 2 4.0 t 4.3 - pCi/1 (milk) Intermediate I-131 88 9 <.04 .40 t .08 .07 ! .11 0.2 pCi/1 Farms (D,L,M,N) (milk) i 4

TABLE IV (C0tE.)

SUMMARY

OF RADIOACTIVITY CONCENTRATIONS Sample Type and amp s Number Period Period Period Pre-op Location Analysis Analyzed Detected Minimum Maximum Mean Mean Units M, ILK (cont.) Distant Farms Tritium (Aqueous Fraction) 8 7 < 50 110 ! 60 76 1 45 - pCi/1 (A,B,C,E) (milk) (A, C only for Tritium (Aqueous Fraction) 8 1 <70 130 ! 70 100 ! 48 103 ! 73 pCi/1 Tritium) (wa te r) I-131 122 9 <.03 .33 .06 .060 t .074 .02 pC1/1 (milk) SOIE On-Site Sr-89 (top 1") 2 1 <.08 .1 .1 .090 .028 - pCi/g Location (dry) (2) (bottom) 2 1 <.06 .2 ! .1 .13 ! .20 - pCi/g (dry) Sr-90 (top 1") 2 2 .66 .07 .66 ! .08 .66 2.1 pCi/g (dry) (bo t tom) 2 2 .37 t .05 45 .08 41 .11 0.1 pCi/g (dry) Distant SR-89 (top 1") 4 3 <.03 .13 ! .06 .088 2 .087 - pCi/g Location (dry) (3A & 5) (bot tom) 4 0 <.04 <.06 < 05 - pCi/g (dry) SR-90 (top 1") 4 4 .03 .02 .19 .04 .14 ! .15 0.6 pC1/g (dry) (bottom) 4' 4 .04 2 .03 .20 ! .04 .14 ! .14 0.4 pCi/g (dry) O All results above the MDL are quoted with a two sigma counting error. 0 0 A two sigma deviation of the data is included with each mean. No value is given when only one result appears. OOo A two sigma deviation of the data is included with each mean. A dash indicates that this analysis was not performed during the pre-operational period. Pre-op mean was calculated using pre-operational data where the minimum detectable levels were the same as those in 1974. (1) Results reported in pCi/g (wet) are calculated using the prepared sample weight before drying. E E E E E E E E E E E E E E E E E E

W W W W M M M M M M M M M M M M M M M TABLE V Suit 1ARY OF gal 21A SPECTR0r1ETRY

                                                                                                 # OF                   # OF sal 1PLES SAMPLES  NUCLIDES        WITH NUCLIDE          PERIOD

PERIOD
PERIOD ** PRE-0P*** UNITS SAMPLE TYPE ANALYZED FOUND DETECTED MINIMUM f1AXIffull ftEAN MEAN Surface Water - Potentially Affected Stations 1Q, 4F, 4G 13A,138 - Grab) 49 None ILL, 4L - Co@osite) 24 None surface Water - Unaffected Stations 6A - Grab) 12 None 61 - Co@ osite) 12 None Discharge Water - Potentially Affected Stations (IM - Grab) 12 None (IMM - Composite) 12 None Precipitation - On-site Station (IA - Composite) 10 Be-7 1 -

62 30 62 - pC1/1 Precipitation - Distant Station (8 - Co @osite) 10 Be-7 4 71 10 130 30 92 52 - pC1/1 Air Particulates - Weatner Station #1 (1Z) 12 Be-7 12 61 20 160116 11MB - 10- pCi/m 3 K-40 1 - 2312 23 - 10- pC1/m 3 Co-60 1 - 1212 12 - 10- pC1/m3 Zn-65 1 - 2114 21 - 10- pCi/m 3 Zr-95 1 - 82 8 - 10- pCi/m3 Nb-95 2 512 12 2 8.5 9.9 - 10- pC1/m3 Ru-103 2 52 82 6.314.8 - 10- pC1/m3 Cs-137 3 21 611 3.2 4.7 - 10- pCi/m3 La-140 1 - 1314 13 - 10- pC1/m 3 Ce-141 1 - 7i2 7 - 10- pC1/m 3 Ce-144 3 1 - 211 2 - 10-Ra-226 1 - 1.5 0.5 1.5 - 10- pCi/m pCi/m 3 Air Particulates - Conowingo Dam (4A) Be-7 65120 200 20 131 83

                                                                                                                                                                                             -3       3 11                          11                                                   -

10- pC1/m Zr-95 1 - 82 8 - 10 pC1/m 3

TABLE V (cont.) SUtiMARY OF Gall!!A SPECTR0f1ETRY

                                             # OF                     # 0F SA!!pL.3 SAftPLES     NUCLIDES      WITH NUCLIDE          PERIOD

PERIOD
PERIOD ** PRE-OP*** UNITS SAMPLE TYPE ANALYZED FOUND DETECTED f1INIf0ft NAXIHUf1 NEAN MEAN Air Particulates - Conowingo Dam (cont.)

(4A) 10' pC1/m Ru-103 Cs-137 2 10 3 pCi/m 3 Ce-141 2 pCi/l Cs-137 31 3 - pCi/l o S,o1_1_ - On-site Location (2) (Top 1") 0.5 0.3 0.5 - pC1/g K-40 (Bottom) Cs-137 2 Ra-226 2 Th-232 2 Soil _ -Distant Locations (3A & 5) (Top 1") Cs-137 4 Ra-226 4 T5-232 4 (Bottom) Cs-137 4 Ra-226 4 Th-232 4 o All msults MDL values Pre-op mean E E E 11 Nb-95 2 512 14 2 9.7112.2 - 312 1012 6.719.5 - 211 2.310.9 1.8 0.8 - 42 912 6.917.1 10~3 10-Ci/m C1/m3 Milk - Near Farm (J) 4 K-40 4 1300 100 16001160 1420 261 - 1 - 2 Be-7 1 - 2 1211 18 2 15 8.5 19 7 pCi/g Cs-137 2 1.80.2 ~ 9.310.9 5.6 10.6 2.315.6 pC1/g Ra-226 2 1.110.1 '1.4 0.1 1.3 0.4 1.010.2 pC1/g Th-232 2 1.30.1 1.510.2 1.410.3 1.210.4 pCi/g(dry) 2 K-40 2 12 1 1912 15.519.9 2315 pC1/g(dry) 1.00.1 2.2 0.2 1.6 1.7 1.1 3.5 pCi/g(dry) 1.40.1 1.910.2 1.710.7 1.410.5 pCi/g(dry) 1.4 0.1 1.410.1 1.4 0 1.6 1.5 pCi/g(dry) 4 K-40 4 17 2 2312 2015.9 21 4 pCi/g(dry) 0.25 0.03 1.1t0.1 0.8x0.78 0.6 0.8 pC1/g(dry) 1.0 0.1 1.110.1 1.08 0.10 0.8 0.9 pCi/g(dry) 1.010.1 1.5 0.2 1.2 0.4 1.01.2 pCi/g(dry) 4 K-40 4 1912 2222 20.512.6 21126 pC1/g ) 0.11 0.02 0.9110.09 0.4710.66 0.2 0.2 pCi/g ) 1.010.1 1.10.7 1.08 0.10 0.1 1.0 pCi/g ) 1.0 0.1 1.4 0.1 1.2 0.3 0.911.1 pC1/5 ) above the MDL are quoted with a two sigma counting error, 00 00* are not included. Period mean was calculated using only positive values for the nuclide listed. was calculated using only positive pm-operational values and not HDLs for the nuclides listed. A dash indicates this analysis was not performed. E E E E E E E E E E E E E E E E

M M M W M M M M M M M M M M M e m RMC TABLE VI

SUMMARY

OF AMBIENT DOSIMETRY PROGRAN STANDARD MONTHLY EQUIVALENT AVERAGE COSE PERIOD PRE-OP(1) SAMPLE NO. OF SAMPLES PERIOD PERIOD MEAN MEAN TYPE LOCATIC;4 ANALYZED MINIMUM MAXIMUM i: SICMA i 0 SIGMA UNITS SITE 526 3.49 ; G.33 9.12 ; 0.76 6.43 ; 2.56 5.05 ; 2.05 MRAD /STD. MONTH MONTHLY MIDDLE RING 719 3.75 ; 0.38 9.51 ; 1.41 6.81 ; 2.35 5.70 ; 1.87 MRAD /STD. MONTH OUTER RING 328 4.93 ; 0.51 9.33 ; 1.38 6.84 ; 1.96 5.89 ; 1.37 MRAD /STD. MCHTH 176 3.31 ; 0.17 8.25 ; 0.88 6.05 ; 2.47 5.14 ; 1.60 MRAD /STD. MOMTH QUARTERLY SITE MIDDLE RING 240 3.83 3 0.22 7.97 ; 0.31 6.53 ; 2.11 5.07 ; 1.25 MRAD /STD. MONTH OUTER RING 108 4.92 ; 0.43 8.54 ; 0.85 6.58 ; 1.83 5.44 ; 1.70 MRAC/STD. MONTH NOTE: ALL SEMICOLONS INDICATE A PLUS OR MINUS SICH. (1) THE PRE-OPERATIONAL MEAN WAS CALCULATED FRON TLD READINGS 1-07-73 TO 8-05-73 STATIONS IN, 31 AND 32 WERE ADDED TO THE PROGRAM 7-C6-73 AND STATIONS 33A, 38, WERE NOT IN THE P"E-OPERATIONAL PROGRAM SITE BOUNDARY RING STATIONS- IB,1C,10, IE, IF, IG,1H, IJ, IL, IM, MIDDLE RING STATIONS - 3A, 4K, 5, 6B, 14, 15, 17, 22, 23, 26, 27, 31, 32, 33A, 38 OUTER RING STATIONS - 12B, 16, 18, 19, 20, 21B, 24

Rt*C TABLE VII ANALYTICAL DATA FOR StNFACE HATER CftAB SAMPLES COffCENTRATI0tl ( PC/L) STATICt1 COLLECTICt1 G.ALFHA G. ALFH A G. BETA G.EETA A.H3 CCDE DATE SOLUDLE INSOLU3LE SOLU 3LE Ill3CLUBLE TOTAL 1Q 80 01/06 1.6 i .4 < .3 < 60 02/03 1.4 i .4 < .4 < 70 03/01 1.7 i .4 .4 ; .3 100 ; 60 04/05 1.5 i .4 1.2 ; .4 100 i 70 05/04 1.7 i .4 2.1 i .4 < 70 05/31 1.8 i .4 .4 i .3 180 i 90 07/12 2.0 ; .4 .5 i .3 90 i 70 03/09 2.0 i .4 .5 i .3 120 i 70 09/06 2.2 i .4 .3 i .3 < 70 10/12 2.5 i .4 .6 i .3 190 i 70 11/01 3.1 i .5 .4 i .3 < 70 12/06 1.8 i .4 .9 i .4 < 70 Arn4UAL t:EAtl... 1.9 i 1.0 .7 i 1 99 i 88 4F 80 01/06 < .3 < .2 1.1 ; .4 < .3 02/03 .6 i .5 .5 i .2 1.9 i .5 .6 i .4 03/01 < .5 2 ;1 2.5 i .4 5.5 i .6 < 70 04/05 .8 i .5 2.6 ; .9 .9 i .4 3.8 i .4 05/04 < .5 3.4 i .9 1.7 i .4 3.8 i .5 05/31 < .6 .3 i .2 1.5 i .4 .8 i .3 < 70 07/12 < .9 < .1 1.7 i .4 < .3 08/09 < .8 1.5 i .6 1.9 i .4 3.4 i .5 09/06 < .7 .5 i .3 2.6 i .4 .9 i .3 < 50 10/12 .9 i .8 < .2 2.5 i .4 .3 i .3 11/01 < .9 .5 i .3 2.3 i .4 .9 i .4 12/06 < .6 < .2 2.3 i .4 .4 i .4 < 70 Al#4UAL ME Atl. . . .68 i .38 1 8 2.2 1.9 ; 1.1 1.8 ; 3.7 < 65 4G 00 01/06 1.2 ; .4 .3 i .3 02/03 .9 i .4 1.4 i .4 03/01 1.7 i .4 < .3 04/05 1.9 i .4 .8 e .4 , 05/04 2.2 i .4 1.9 i .4 I 05/31 1.3 i .4 < .2 07/12 2.0 ; .4 < .3 03/09 2.0 i .4 < .3 09/06 2.3 i .4 < .3 10/12 2.6 i .4 .4 i .3 11/01 2.7 i .5 .3 i .3 12/06 2.2 i .4 .7 ; .4 , Ai!NUAL f t!/.fl. . . 1.9 ; 1.1 0.6 ; 1.1 tt0TE : ALL SEMICOLONS INDICATE A PLUS OR hit 1US SIGtt. m W W W W W W W W W W W W W M W W W

M M M M M W W W W W W W W W W M M M Rt*C T ABLE VII (COilTII UED) AttALYTICAL DATA FCR SURFACE lATER GRAB SAMPLES C01 CEt4TRATIOil ( PC/L) STATION COLLECTIOtl G.ALFHA G. ALPHA G.8 ETA G.EETA A.H5 CCDE DATE SOLUDLE It!30LU3LE SOLUBLE Iti30LUCLE TOTAL 6A 60 01/05 .7 i .4 < .1 1.4 i 4 < .3 02/03 < .3 .4 i .2 1.1 i .4 < .4 03/01 < .6 < .2 1.5 i .4 < .3 < 70 04/05 < .3 1.8 i .7 1.4 i .4 3.3 i .4 05/04 2.5 i .9 1.7 i .5 2.2 i .4 1.7 i .4 03/31 < .6 .3 i .2 1.2 ; .4 .4 i .3 120 i 70 07/12 < 1 .2 ; .2 1.6 i .4 .4 i .3 l 03/09 < .8 < .1 2.5 i .4 .5 i .3 09/06 < .7 .8 i .4 2.4 i .4 1.2 i .3 E0 3 50 10/12 < .9 .5 i .4 2.5 ; .4 < .2 11/01 < 1 .2 i .2 3.1 i .5 .6 i .3 12/06 < .5 < .2 2.3 i .4 1.5 i .4 < 70 i Al*1UA L ttE Atl. . . 0.8 i 1.2 0.5 i 1.2 1.9 i 1.3 0.9 ; 1.8 85 i 48 13A 00 01/06 .6 i .4 2.1 ; .4 02/03 1.1 ; .4 < .3 03/01 1.9 i .4 .5 ; .3 < 70 04/05 1.3 i .4 5.1 ; .6 ) 05/04 1.8 i .4 3.6 i .5

;                                                                                                                         05/31                                                            1.3           i .4   .8            i .3          < 60 07/12                                                            2.3           i .4   6.5           i .6 03/09                                                            2.2           i .4   4.6           i .5 09/06                                                            2.5           i .4   .7            i .3  110           5 50 10/12                                                            3.5           i .4   6.8           ; .6 11/01                                                            2.3           ; .4   .6            i .3 12/06                                                            2.5           i .4   .7            i .4          < 70 f tO!UAL t'E Atl. . .                                                                    1.9           ; 1.6  2.7           i 5.0   78          i 44 13D            CO 11/13                                                                  2.0           ; .5   .6            i .4 i

t:EAH (4F.13A)... .68 i .38 1.0 1 2.2 1.9 i 1.3 2.2 3 4.4 71 3 35 t:EBtt (4F.6A.13A)... .75 i .85 0.8 ; 1.8 1.9 ; 1.3 1.8 ; 3.9 76 i 40 tt!Att (1Q,4F,4G,13A). .68 i .38 1.0 ; 2.2 1.9 ; 1.2 1.4 i 3.5 88 i 75 llOT E : ALL set 11COLCliS Itt01CATE A PLUS CR MIt:US SIGtt.

Fi1C TABLE VIII AtlALYTICAL DATA FCR SURFACE MATER COMPOSITE SAMPLES COtCENTRATI0l4 (PC/L) STATICtl COLLECT 10tl G.ALFHA G. ALPH A G.CETA G.EETA I-131 A.H3 CODE PLPICO SOLU 3LE INSOLUSLE SOLU 3LE INSOLUBLE TOTAL TOTAL ILL 00 01/04-02/01 1.4 i .4 < .4 < 70 02/01-02/29 1.5 i .4 < .3 150 i 60 02/29-04/03 8 1.4 i .4 1.4 i .4 80 i 70 04/03-03/02 1.9 i .4 1.5 ; .4 < 70 05/02-03/30 1.0 i .4 1.1 i .3 < 80 05/30-07/04 1.5 i .4 .3 i .3 < 70 07/04-03/08 2.1 i .4 1.5 i .4 < 60 08/03-09/05 2.5 i .4 1.1 ; .3 70 i 50 09/05-10/10 2.6 i .5 1.0 i .3 < 60 10/10-10/31 2.6 i .4 .4 i .3 < 70 10/31-12/05 2.5 i .4 < .4 < 70 12/05-01/09 1.5 i .5 1.2 i .4 < 50 At:*rJAL ffEAN. . . . . ..... 1.9 3 1.1 .88 i .98 75 3 50 4L S3 01/19-01/26 .11 i .05 01/05-02/03 < .3 .4 i .2 .9 i .4 < .4 < 70 02/03-03/01 < .5 < .2 1.9 i .4 < .3 100 ; 60 02/23-03/01 < .05 03/01-03/09 < .05 03/22-03/29 < .09 03/01-04/05 < .5 .6 ; .3 1.4 i .4 1.4 i .3 150 i 70 03/09-C4/05 < .06 04/05-05/04 < .3 1.3 i .4 1.6 i .4 1.7 i .4 < 70 04/26-05/04 < .07 05/04-05/31 < .6 .2 ; .2 1.2 i .4 < .3 < 60 l 05/24-05/31 < .06 05/31-07/05 < .6 < .1 1.2 ; .3 < .3 100 ; 70 l 07/05-08/09 < .8 .2 ; .1 1.5 ; .3 .6 i .3 100 ; 70 09/03-03/09 < .05 03/09-09/06 < .6 < .2 2.5 i .4 .4 i .3 < 70 03/30-09/06 < .05 09/06-10/04 < .6 .2 ; .2 2.2 i .4 .3 i .3 160 ; 70 13/04-11/01 < .9 .3 i .2 2.3 i .4 < .3 < 70 11/01-12/06 < .8 < .2 2.8 i .5 .6 i .4 < 70 12/06-01/10 < .08 < .1 2.0 i .5 < .3 70 i 60 f.t t:U AL ttEftl. . . . ...... 55 i .47 .33 i .67 1.8 i 1.2 .58 i .95 .066 i .043 93 i 64 110TE: ALL SE!1ICOLO!!S IllDICATE A PLU3 OR HItiUS SIGN. W W W W W W W W W W W W W W W W W W W

W W W W W W W W W W W W W W W W m W i FMC TABLE VIII (CCMTIMUED) ANALYTICAL DATA FOR SU7 FACE MATER CCMPOSITE SAMPLES CONCENTR ATION ( PC/L) STATIDH COLLECTICN G. ALP:lA G.ALFHA G. BETA G. BETA I-131 A.H3 CCOE PERIOD SOLU 3LE IN30LUDLE SOLUDLE IN3OLUBLE TOTAL TOTAL j ____.__ _________. ____ ._____....... ____ __...___ .__.___...... .......__.... ............. __________... 6I 80 01/19-01/27 3 < .06 01/06-02/03 < .4 .4 i .2 1.2 i .4 < .4 < 70 02/03-03/01 .7 i .7 < .1 1.8 i .4 <.3 90 i 60 , 02/24-03/01 < .04

03/01-03/09 < .06 j 03/01-04/05 < .3 1.5 i .6 1.7 i .4 3.3 i .4 140 i 70 4

03/29-04/05 .18 i .05 Ce/05-05/04 < .5 .8 i .3 2.0 ; .4 .9 i .3 < 70 04/27-05/04 < .07 05/04-05/31 < .5 < .1 1.1 i .4 < .3 120 ; 80 05/25-05/31 .17 i .07 l 05/31-07/06 < 1 < .1 1.6 i .4 < .3 < 70 07/05-07/12 < .06 07/05-08/09 < .8 < .1 2.3 i .4 < .3 80 ; 60 , 08/09-09/06 < .7 < .2 2.8 i .4 < .2 100 i 50 03/31-09/06 < .06 09/06-10/05 < .5 .9 ; .4 2.6 i .4 1.0 i .3 110 ; 70 10/05-11/01 < 1 < .2 2.6 i .4 .4 ; .3 < 70 11/01-12/06 < .5 < .2 2.3 i .4 .4 i .4 < 70 12/06-01/10 < .07 < .1 1.7 i .5 < .3 < 60 ANNUAL HEAN........... .58 i .55 .39 i .89 2.0 i 1.1 0.7 ; 1.7 .09 i .11 88 ; 50 NEAH (1LL,4L)......... < .55 .33 i .67 1.8 i 1.1 .73 i .99 .066 i .043 84 ; 59 HEAN ( I LL ,4 L ,6 I I . . . . . . . . .56 i .50 .36 i .77 1.9 i 1.1 0.7 ; 1.3 .076 i .082 85 ; 55 i HOTE: ALL SEMICOLONS INDICATE A PLUS CR NINUS SIGH.

TABLE IX CONCENTRATIONS OF GAfftA EfilTTERS* IN SURFACE WATER Results in Units of pCi/l i 2 sigma GRAB SAflPLES Sampling Dates Env. Station No. 1-06-80 2-0 3-80 3-01-80 4-05-80 5-04-80 5-31-80 7-12-80 8-09-80 9-06-80 10-12-80 11-01-80 12-06-80 IQ A11<MDL All<MDL All<MDL All<f1DL All<MDL A11<f0L A11<f0L All<!0L All <f0L All<MDL All<MDL All<MDL 4F All<MDL All<MDL All <!!DL All<!OL All<MDL All<f1DL All<!1DL All <MDL All<f0L All<f0L All<f1DL All<f0L 4G All<MDL All<MDL All<MDL All<MDL All <f0L AllCE All<!!DL All<MDL All<MDL All<MDL All<!!DL All<f0L 6A A11<MDL All<MDL All<f0L All<MDL All<MDL All<MDL All<f0L All<MDL All <!0L All<MDL All<MDL All<MDL 13A A11<MDL All<MDL A11(MDL All <MDL All<MDL All<MDL Al1<MDL A11 <MDL All<MDL A11<MDL All<MDL A11<MDL 13B A11<MDL(1) C0!1POSITE SAf1PLES Sa@ ling Period Env. 1-06-80 2-03-80 3-01-80 4-07-80 5-04-80 5-31-80 7-05-80 8-49-80 9-06-80 10-04-80 11-01-80 li 06-80 Station to to to to to to to to to to to to No. 2-03-80 3-01-80 4-05-80 5-04-80 5-31-80 7-05-80 8-09-80 9-06-80 10-04-80 11-01-80 12-06-80 81 ILL(2) All(MDL A11<MDL All<l1DL All<MDL All<fiDL All<fiDL All<MDL All <f tDL A11<MDL All<MDL All(MDL A,l<MDL 4L All <MDL All<MDL A11<MDL All<MDL Al1<MDL All<MDL All<!OL All <MDL All<f0L A11 <MDL All<MDL All<MDL 6I All<MDL A11<MDL All<MDL All<f1DL All<MDL All<MDL(3)All<f0L All<MDL All<MDL(4)All<MDL(5)All<MDL All<f0L o For typical minimum detectable levels of nuclides searched for and not found, see Table XXVII. (1) Station 138 was sanpled only once on 11/13/80. (2) Sampling dates for station ILL wem 1/4-2/1; 2/1-2/29; 2/29-4/3; 4/3-5/2; 5/2-5/30; 5/30-7/4; 7/3-8/8; 8/8-9/5; 9/5-10/10; 10/10-10/31; 10/31-12/5; 12/5/80-1/9/81. (3) Sampling dates for station 6I were 5/31-7/6 (4) Sampling dates for station 6I wem 9/6-10/5. (5) Sanpling dates for station 6I wem 10/5-11/1. W W W W W W W W W W W W W W W W W W W

W W W W W W W W W W W W W W W W W W i ! RFC ! TABLE X t.t!ALYTICAL DATA FCR DISCHfjGE WATER GRAS SAMPLES C0tlCEtiTRATICtl (PC/L) i i , STATICtl C0t.LECTICil G.EETA G.CETA A.H3 . CCDE DATE SOLUBLE Ill OLUDLE TOTAL I IN 00 01/06 1.7 ; .4 < .3 < 60 02/03 2.9 ; .5 < .4 90 ; 70 l ; .4 03/01 2.1 ; .4 .7 210 ; 60 04/05 1.2 ; .4 1.4 ; .4 < 60 05/04 2.0 ; .4 1.0 ; .3 < 70 05/31 1.4 ; .4 .5 ; .3 130 ; 80 07/12 1.7 ; .4 1.1 ; .4 160 ; 70 03/09 2.7 ; .4 1.2 ; .3 < 60 09/06 2.2 ; 4 < .3 < 70 j 10/12 2.5 ; .5 .4 ; .3 80 ; 60 11/01 2.8 ; .5 .4 ; .3 < 70 i 12/06 2.3 ; .4 .7 ; .4 < 70 i i At3:UAL t!CAtl. . . . . . 2.1 ; 1.1 .70 ; .77 94 ; 96 l Ft:0 l TACLE XI 3 AtlALYTICAL DATA FCR DISCHARGE WATER COMr0 SITE SAMPLES CONCEllTRAT10tl ( PC/L 3 4 STATICtl COLLECTICtl G. BETA G.EETA A.H3 j CCUE PERIC3 SOLUJLE Itt30LUOLE TOTAL lt:M 00 01/04-02/01 2.2 ; .5 < .4 100 ; 70 02/01-02/29 3.1 ; .4 .4 ; .3 < 60

02/29-04/04 1.7 ; .4 1.7 ; .4 90 ; 60 04/03-05/02 1.9 ; .4 1.9 ; .4 < 70 05/02-05/30 2.2 ; .4 1.9 ; .4 < 80 05/30-07/04 1.8 ; .4 .7 ; .3 130 ; 70 07/04-C8/08 2.2 ; .4 1.4 i .4 < 60 i 03/00-09/05 2.2 ; .4 1.1 ; .3 < 70
09/05-10/10 7.1 ; .6 < .3 < 70

 !                                          10/10-10/31      3.1     ;  .5          .6           ; .3                  <   70
~l                                          10/31-12/05      2.5     ;  .4                  <    .4           80            ; 70 j                                            12/05-12/26     1.6     ;  .4                  <.3                        < 60 4                                             12/26-01/09     (A)                   (A)                        (A) 1 f.Nt!UAL t!EAtl. . .....                 2.6     ; 3.0         0.9           ; 1.3        78            ; 41 l                         !!OT ES: # LL SENICOLCils II*DICATE A PLUS CR ffIt!"S SICti.

(A) SAMPLER OUT OF SERVICE FR0ft 12/27/00 TO 01/09/81. I

TABLE XII CONCENTRATIONS OF GAttiA EMITTERS

IN DISCHARGE WATER Results in Units of pCi/l 2 sigma GRAB SAitPLES Sartpling Dates Env.

Station No. 1-06-80 2-03-80 3-01-80 4-05-80 5-04-80 5-31-80 7-12-80 8-09-80 9-06-80 10-12-80 11-01-80 12-06-80 s IM All<MDL All<MDL All<ftDL All<MDL Al1<MDL All<MDL A11 <f tDL All<MDL All<MDL All<MDL All<MDL All<MDL C0!!POSITE SAMP' 55 Sampling Period En v. 1-04-80 2-01-80 2-29-80 4-03-80 5-02-80 5-30-80 7-03-80 8-08-80 9-05-80 10-10-80 10-31-80 12-05-80 Station to to - tc to to to to to to to to to No. 2-0 1-80 2-29-80 4-03-80 5-02-80 5- 30-80 7-04-80 8-08-80 9-05-80 10-10-80 10-31-80 12'-05-80 12-26-80 1MM All<MDL A11<MDL All<MDL All <MDL All<MDL All<MDL All<MDL All<MDL All <MDL All<MDL All<MDL All<MDL o For typical minimum detectable levels of nuclides searched for and nox fotsid, see Table XXVII. E E E E E E E E E E E E E E E E

i m W W W W M- M M M M M M M M M M M Et:C TABLE XIII l AtiALYTICAL DATA FCR MELL HATER SAMPLES C0t1CENTRATICt1 ( PC/L) i STATION COLLECTICt1 G. BETA G. BETA A.H3 ,' CCDE DATE SOLUBLE IttSOLUBLE TOTAL IU C0 01/06 1.1 i .4 1.4 i .4 < 62 04/05 < .3 .8 i .4 90 ; 60 07/12 .3 i .3 2.8 i .4 < 70 10/12 .6 i .4 .9 i .3 120 1 70 AIDfUAL t1EAtl. . . . .58 i .75 1.5 i 1.8 86 i 52 4 IV 80 01/06 .3 i .3 < .3 < 60 g C4/05 < .3 < .3 < 60 07/12 < .3 .5 i .3 < 70 10/12 < .3 < .2 90 i 70 AllMUAL MEAtl.... .30 .33 i .25 70 1 28 I 7 GO 01/06 1.6 i .4 < .3 < 60 04/65 1.4 ; .4 < .3 < 60 07/12 1.1 ; .3 < .3 < 70 l 10/12 1.5 i .4 1.6 i .3 < 60 ' ArtifUAL ttE Atl. . . . 1.4 3 0.4 0.6 ; 1.3 < 63 l i 40 80 01/06 .5 i .4 1.0 ; .4 110 ; 60 l C'4/05 < .3 < .3 80 i 60 07/12 .4 i .3 1.7 i .4 90 i 70 10/12 .9 ; .4 .5 i .3 80 3 70 Allt!UAL t1E Atl. . . . .53 i .53 0.9 ; 1.2 90 ; 28 At3fUAL t'EAti I IU 8 IV ).... .44 ; .50 0.9 ; 1.7 78 i 42 i QUARTERLY MEAti -TRIT 1UM (IU S IV) , 01/06 < 61 l 04/05 75 i 42 1 07/12 < 70 i 10/12 105 i 42 t:0TE: ALL SEMICOL0t1S ItIDICATE A PLUS CR MIt?JS sigil.

i. PMC TADLE XIV AHALYTICAL DATA FCR FRECIPITATICH SAMPLES COMOEHTRATION STATICH COLLECTION VOLL'ME G.EETA G.EETA CCDE PERICD (HL) fFC/LI ( PC/SQ. M. ) IA 80 01/06-02/03 1263 4 ;1 160 i 60 02/03-03/01 330 7 ;2 70 3 20 03/01-04/05 3200 6 i1 600 i 100 04/05-05/04 2097 4 ;1 270 i 90 05/04-05/31 60J 16 ;2 300 i 30 05/31-07/12 2420 6 ;2 500 i 100 07/12-08/09 1570 4 1 210 i 60 08/09-09/06 2120 2 i1 120 3 70 09/06-10/12 1180 2 i1 70 3 40 l 10/12-11/01 1650 < 2 < 80 11/01-12/06 2250 13 32 900 i 100 12/06-01/10 220 40 ;3 270 1 20 l t.Nt!Url HEfH... 9 3 21 300 i 510 8 80 01/06-02/03 1215 3 ;1 120 i 50 02/03 '3/01 390 5 12 60 1 20 03/01-04/03 4230 7 iI 900 i 200 01/05-05/04 4130 6 i1 700 1 200 05/04-05/31 1360 12 ;2 510 i 70 05/31-07/12 3090 4 ;1 300 i 100 07/12-CS/09 2030 5 i1 340 ; 90 4/09-09/06 1140 3 i1 90 ; 40 9/06-10/12 1003 5 i1 140 i 40 10/12-11/01 1360 3 ;2 110 i 70 l 11/01-12/06 1650 10 12 600 i 100 a 12/06-01/10 465 89 ;4 1300 3 60 ANNUAL HEAN... 13 i 43 430 i 770 J i 1

'l 1

l HOTE: ALL SEMICOLOt13 INDICATE A PLUS CR NINUS SIGH.

;  M M M                           M        M                               M     M           M    M   M M     M M

m W W W W W m M M M M M M M M M M M TABLE XV CONCENTRATIONS OF GA!!!A E!!ITTERS IN PRECIPITATION (TOTAL SA!!PLE) Results in Units of pCf/1 2 sigma STATION 1A STATION 8 DATE NUCLIDES NUCLIDES 1-06-80 to 2-03-80 All *<r1DL All *<!!DL 2-03-80 to 3-01-80 (1) (1) 3-01-80 to 4-05-80 All*<!!DL All*<!!DL 4-05-80 to 5-04-80 All*<MDL Be-7 71 11 Othe rs* <f1DL 5-04-80 to 5-31-E0 All*<!!DL Be-7 80 35 Others* <f1DL 5-31-30 to 7-12-80 All *<f tDL All *<MDL 7-12-80 to 8-09-80 Ali*<!!DL All*<!!DL 9-09-80 to 9-06-80 All *<f tDL All *<l4DL 9-06-80 to 10-12-80 A11 *<f1DL Be-7 88 51 Othe rs* <f1DL 10-12-80 to 11-01-80 A11 *<f1DL All* <f4DL 11-01-80 to 12-06-80 Be-7 62 26 Be-7 130 30 Othe rs* <ftDL Othe rs* <!tDL 12-06-80 to 1-10-81 (1) (1)

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

(

see Table XXVII.

(1) Insufficient sample for analysis. -

RNC TABLE XVI ANALYTICAL DATA FOR AIR-PARTICULATE SAMPLES CONCEf4TRATICNS Or GPOSS BETA RADICACTIVITY (PCI/N3 3 COLLECTICN COLLECTICH FERIOD IZ 4A PERIDO 12 4A 80 12/28-01/06 .027 i .004 (D) 80 06/08-07/05 .058 i .007 .027 i .005 01/06-01/12 .050 ; .007 07/05-07/12 .030 ; .005 .026 i .005 01/12-01/19 .027 i .006 07/12-07/20 .034 i .00S .030 i .005 01/19-01/26 .025 i .005 07/20-07/26 .024 i .007 .027 i .006 01/26-02/03 .034 i .005 07/26-08/03 .036 i .005 .035 i .005 02/03-02/09 .020 i .006 .014 i .006 08/03-08/09 .033 i .036 .029 i .006 02/09-02/17 .035 i .005 .037 i .005 08/09-08/17 .082 i .007 .048 i .006 02/17-02/23 .028 i .006 .022 i .005 08/17-08/23 .023 i .006 .018 i .905 02/23-03/01 .025 ; .005 .023 i .005 08/23-08/30 .041 i .006 .036 i .006 03/01-03/09 .024 i .005 , .024 i .005 08/30-09/06 .024 i .005 .026 i .005 03/09-03/15 .029 i .006 .022 i .005 09/06-09/14 .028 i .005 .035 i .005 03/15-03/22 .025 i .005 .025 i .005 09/14-09/21 .034 i .005 .019 i .004 03/22-03/29 .016 i .004 .016 i .004 09/21-09/28 (A) < .003 03/29-04/05 .016 i .004 .018 i .005 09/28-10/04 .023 i .005 .046 i .007 04/05-04/12 .026 ; .005 .025 i .005 10/04-10/12 .031 ; .005 .022 i .005 04/12-04/20 .025 ; .0C4 .022 i .004 10/12-10/19 .025 I .005 .021 i .005 04/20-04/26 .024 i .005 .026 i .006 10/19-10/26 .016 ; .005 .012 i .005 04/26-05/04 .016 ; .004 .014 i .004 10/26-11/01 .004 i .006 .021 i .006 05/04-05/10 .027 i .005 .024 i .005 11/01-11/09 .042 i .006 .041 . .006 05/10-05/17 .022 i .004 .016 i .004 11/09-11/15 .045 i .007 .050 i .007 05/17-05/24 .023 i .004 .026 i .005 11/15-11/23 .047 i .006 .044 i .006 05/24--5/31 (A) .035 i .005 11/23-11/30 .042 i .006 .034 i .006 05/31-06/07 .036 i .006 .033 i .005 11/30-12/06 .053 i .008 .C68 i .009 06/07-06/14 .024 i .005 .024 i .005 12/06-12/13 .089 i .009 .078 i .005 06/14-06/22 .026 i .004 .023 i .004 12/13-12/20 .068 i .COS .070 i .009 06/22-06/28 .036 i .006 .032 i .006 12/20-12/27 .006 i .E04 .061 i .007 ANNUAL NEAN .033 i .032 .03C i .031 60TES: ALL SEttICOLONS IFOICATE A PLUS 09 HIlfUS SIGN. (A) !!3 CAMPLE AVAILABLE. PuttP CUT OF SERVICE. IB) STATI0tl TRANSFERRED FROM ANOTHER CONSULTANT EFFECTIVE FEBRUARY 1980. 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 M M TABLE XVII CONCENTRATIONS OF GAfftA EftITTERS* I'l AIR PARTICULATES Results in Units of 10-3 pCi/m 2 sigma

                                                                                                                  !1onthly Corposite Periode Env.           12-28-79 2-01-80    3-01-80    3-29-80     5-04-30   5-31-80    6-28-80      8-03-80      8-30-80(l)9-28-80  11-01-80 11-30-80 Station No.              to     to        to           to        to         to         to            to          to        to        to         to 2-03-80 3-01-80    3-29-80    5-04-80     5-31-80   6-28-80    8-03-80      8-30-80      9-21-00 11-01-60   11-30-80 12-27-80 1Z Be-7            116 16    150117    130 14      130113     120214     160216    110t14        120214      100 13      83115   61215     62213 K-40             < 10      <20       <20         <10        <20        < 10      <20           <20          <20       <10     <13       23 15 Co-60            <1        <1        <0.9        <0.7       <2         <2         12 2         <1           <1        <1      <1          <1 Zn-65            <1        <2        <2            :        <2         <2        21 4          <2           <1        <2      <2          <2 Zr-95            <1        <2        <1           .1        <2         <1        <1            <1           <1        <2      <2          822 Nb-95            <1        <1        <0.9        <0.8       <1         <0.8       <1           <1           <1        <2       5r2      12 2 Ru-103           <1        <1        <0.*        <0.8       <1         <0.7      <0.8          <0.7         <1        <2       512        822 Cs-134           <0.9      <1        <1          <1         <1         <1          221         <0.8         <0.8      <0.8    <0.7      <0.3 Cs-137            211      <1        <0.9        <0.8       <1       1.90.8        611         <0.6         <0.9      <0.7    <0.8      <0.8 Ba-140            -         -         -            -         -          -          -             -           -
                                                                                                                                                                   <0.7    <46       < 15 La-140             -        -         -

131A - - - - -

                                                                                                                                                                   <3      <22       <7 Bala-140         <4        <6        <2            -
                                                                                                         <2         <1        <3            <3           <4         -       -          -

Ce-141 <1 <2 <1 <1 <1 <1 <1 <1 <2 <2 <3 722 Ce-144 <3 <4 <6 <5 <6 <6 <4 <3 <5 <3 (5 <5 Ra-226 <3 <3 <2 <2 <4 <2 <3 <2 <2 1.5 0.5 <2 <2 Othe rs * <MDL (MDL <MDL <f1DL <MDL <ftDL <MDL <ttDL <!1DL (MDL <MDL <f1DL fionthly Corposite Periods Env. 2-03-00(2)3-01-80 3-29-80 5-04-80 5-31-80 6-28-80 8-03-80 8- 30-80 9-28-80 11-01-80 11-30-80 Station No. to to to to to to to to to to to 4A 3-01-80 3-29-80 5-04-80 5-31-80 6-28-80 8-0 3-80 3 80 9-28-80 11-01-80 11- 30-80 12-27-80 Be-7 150 t15 120213 160 18 150 15 200220 160 16 150 14 81111 130 19 65 15 78 14 Zr-95 <2 <1 <1 <1 <2 <1 <1 <1 <4 <4 822 Nb-95 <1 <1 <1 <0.8 <0.7 <0.9 <1 <0.8 <4 Sf2 14t2 Ru-103 <1 <1 <0.9 <0.7 <0.7 <0.7 <1 <0.7 <3 312 1022 Cs-137 21 <0.9 <1 2.3!0.9 <1 211 <0.7 <0.7 <1 <1 <0.9 Ce-141 <2 <1 <1 <1 <0.9 <1 <2 <1 <6 42 912 Othe rs* <MDL <MDL <ftDL <!OL <f0L st1DL <!DL <f0L <MDL <!OL (f0L

For typical minimum detectable levels of nuclides searched for and not found, see Table XXVII.

                                         - Indicates that no MDL was calculated for that nuclide.

(1) Sampler out of service from 9/21 to 9/28. (2) Station PB-APT-4A began operation on 2-03-80.

TABLE XVIII CONCENTRATIONS OF I-131 IN FILTERED AIR Units pC1/m 3 STATION NUMBER IB 1Z 2 3A 5* 6B* 14* COLLECTION STATION NtNBER COLLECTION DATE(1) DATE 12D 3/01/80 - 3/09/80 <.011 <.011 <.010 <.011 <.012 <.011 <.011 3/03 - 3/10 <.014 3/09/80 - 3/15/80 <.026 <.027 <.026 <.027 <.022 <.021 <.021 3/10 - 3/17 <.011 3/15/80 - 3/22/80 <.024 <.023 <.021 <.023 <.022 <.022 <.022 3/17 - 3/24 <.013 3/22/80 - 3/29/80 <.013 <.014 <.013 <.014 <.017 <.016 <.017 3/24 - 3/31 <.013 2/29/30 - 4/05/80 <.011 <.011 <.010 <.012 <.012 <.012 <.017 3/31 - 4/07 <.021 4/05/80 - 4/12/80 <.017 <.020 <.020 <.019 <.020 <.019 <.022 4/07 - 4/14 <.016 4/12/80 - 4/20/80 <.010 <.011 <.011 <.011 <.011 <.012 < 010 4/14 - 4/21 <.012 4/20/80 - 4/26/80 <.017 <.017 <.015 <.016 <.012 <.012 <.013 4/21 - 4/28 <.019 4/26/80 - 5/04/80 <.011 <.010 <.011 <.011 <.011 <.913 <.011 4/28 - 5/05 <.013 5/04/80 - 5/10/80 <.017 <.015 <.012 <.014 <.012 <.012 <.039 5/05 - 5/12 <.010 5/10/80 - 5/17/80 <.015 <.015 <.017 <.016 <.013 <.024 <.091 5/12 - 5/15 <.013 5/17/80 - 5/24/80 <.014 <.015 <.014 <.014 <.013 <.013 <.043 5/19 - 5/28 <.014 5/24/80 - 5/31/80 <.012 (2) <.013 <.014 <.016 <.015 <.016 5/28 - 6/02 <.017 5/31/80 - 6/07/80 <.014 <.016 <.015 <.015 <.015 <.015 <.016 6/02 - 6/09 <.013 6/07/80 - 6/14/80 <.013 < .014 <.013 <.013 <.014 < 013 <.014 6/09 - 6/16 <.013 6/14/80 - 6/22/80 < .010 <.011 <.011 <.011 <.012 <.012 <.016 6/16 - 6/23 <.010 6/22/80 - 6/28/80 <.015 <.017 <.016 <.017 <.013 <.013 <.015 6/23 - 6/30 <.013 6/28/80 - 7/05/80 <.024 <.025 <.020 <.023 <.022 <.022 <.034(3) 6/30 - 7/07 <.018 7/05/80 - 7/12/80 <. 012 <.014 <.014 <.015 <.031 <.016 <.015(4) 7/07 - 7/14 <.015 7/12/80 - 7/20/80 <.027 <.048 <.027 <.027 <.150 <.016 <.018 7/14 - 7/21 <.026 7/20/80 - 7/26/80 <.015 <.025 <.016 <.016 <.101 <.013 <.020 7/21 - 7/28 <.017 7/26/80 - 8/03/80 < .012 <.012 <.012 <.013 <.025 <.012 <.012 7/28 - 8/04 <.021 8/03/8e - 8/09/80(5) 8/04 - 8/11 <.014 W W M M M M M M - W W W W W W

I TABLE XVIII (cont.) CONCENTRATIONS OF I-131 IN FILTERED AIR j Units pCi/m 3 [ i STATION NUMBER IB IZ 2 3A 5* 6B* 14* COLLECTION STATION NUMBER COLLECTION DATE(1) DATE 12D i 8/09/80 - 8/17/80 <.010 < 012 <.011 <.011 <.265 <.011 <.013 8/11 - 3/18 <.012 8/17/80 - 8/23/80 <.019 <.022 <.020 <.021 <.014 <.014 <.015 3/18 - 8/25 <.012 8/23/80 - 8/30/80 <.015 <.015 (2) <.016 <.036 <.020 <.018 3/25 - 9/02 < 015 8/30/80 - 9/06/80 < 090 <.089 <.086 <.095 <.173 <.109 <.098 9/02 - 9/08 <.086 9/06/80 - 9/14/80 <.027 <.028 <.029 <.027 <.043 <.040 <.040 9/08 - 9/15 <.028 [ 9/14/80 - 9/21/80 <.014 <.014 <.014 <.015 <.015 <.017 <.017 9/15 - 9/22 <.015 l 9/21/80 - 9/28/80 <.017 (2) <.015 < .017 <.012 <.014 <.012 9/22 - 9/29 <.012 I 9/28/80 - 10/04/80 <.017 <.017 <.015 <.017 <.013 < .014 <.013 9/29 - 10/06 <.012 10/04/80 - 10/12/80 <. 012 <.011 <.010 <.012 <.013 < .014 <.012 10/06 - 10/04 <.019 10/ 12/80 - 10/ 19/80 <.012 <.015 <.014 <.013 <.015 <. 014 <.014 10/14 - 10/20 <.016 10/19/80 - 10/26/80 <.014 <.014 <.012 <.014 <.014 <.014 <.013 10/20 - 10/27 <.019 10/26/80 - 11/01/80 <.023 <,024 <.023 < 025 <.022 <.024 <.022 10/27 - 11/03 <.033 i ' 11/01/80 - 11/09/80 <.016 <.016 <.017 < 017 <.019 <.021 <.020 11/03 - 11/10 <.020 11/09/80 - 11/15/80 <.031 <.031 <.027 <.028 <.021 <.023 < 023 11/10 - 11/17 <.014 l 11/15/80 - 11/23/80 <.014 <.014 <.013 <.014 <.015 <.016 <.015 11/17 - 11/24 <.018 11/23/80 - 11/30/80 <.022 <.021 <.021 <.021 <.029 <.023 <.029 11/24 - 12/01 <.019 11/30/80 - 12/06/80 (2) <.016 (2) (2) <.013 < .012 <.013 12/01 - 12/03 <.014 I 12/06/80 - 12/13/80 < .016 <.018 <.015 <.016 <.014 < .013 <.014 12/03 - 12/15 <.020 l 12/13/80 - 12/20/80 <.018 <.023 <.020 <.022 <.025 <.026 <.026 12/15 - 12/22 <.021 , 12/20/80 - 12/27/80 <.021 <.026 <.023 <.024 <.023 <.025 <.025 12/22 - 12/29 <.036 l l Annual Avera9e <.018 <.020 <.018 <.419 <.033 <.019 <.023 <.019 (1) All stations put in service 3/01/80. (4) Sampling dates were 7/05/80 - 7/12/80. (2) No samle available; pum out of service. (5) Results not available de to analytical error. (3) Samoling dates wem 6/29/80 - 7/05/00. I Samlin9 dates for Stations 5. 6B and 14 in 1980 were as follows: 3/01-3/09; 3/09-3/16; 3/16-3/23; 3/23-3/29; 3/29-4/05; 4/Oc 4/12; 4/12-4/20 , 4/20-4/27; 4/27-5/04; 5/04-5/11; 5/11-5/13; 5/18-5/25; 5/25-5/31; 5/31-6/07; 6/07-6/14; 8/14-6/22; 6/22-6/29; 6/29-7/6; 7/6 . 82; 7/12-7/19 ; I 7/19-7/26; 7/26-8/03; 8/03-8/09; 8/09-8/17; 3/17-8/24; 8/24-8/31; 3/31-9/6; 9/6-9/14; 9/14-9/21; 9/21-9/28; 9/28-10/05: 10/05-;0/12 ; 10/ 12- 10/ 19 ; 10/19-10/26; 10/26-11/01; 11/01-11/09; 11/09-11/16; 11/16-11/23; 11/23-11/29 ; 11/29-12/06; 12/06-12/14; 12/14-12/20; 12/20-12/27. l

RMC TABLE XIX ANALYTI2AL DATA F09 MILK SAMPLES I-131 (PC/L OF MILK) COLLECTION DATE STATICH A STATICH B STATICil C STATICN D STATIOil E STATICH G STATION J

                                                     ...___ ____-_____- ===   -               -........ __ _______        _ _ _ -   -       = -...

80 01/2S < .06 < .05 < .04 < .06 < .05 < .07 < .04 02/11 < .04 < .04 < .04 < .04 < .04 < .04 03/10 < .06 < .06 < .04 < .05 < .06 < .05 03/31 < .03 < .08 < .09 < .08 < .05 < .05 < .05 0 '+/0 7 < .06 < .05 < .04 < .05 < .07 < .05 04/14 < .06 < .06 < .06 < .07 < .05 < .05 04/21 < .05 < .05 < .06 < .07 < .06 < .05 04/23 < .05 < .04 < .05 < .06 < .05 < .05 05/05 < .06 < .06 < .07 < .06 < .04 < .05 05/12 < .05 < .05 < .07 < .06 < .04 < .05 05/19 < .05 < .05 < .05 < .07 < .06 < .05 05/26 < .07 < .05 < .07 < .06 < .08 < .05 < .07 06/02 < .06 < .06 < .08 < .07 < .08 < .08 06/09 < .05 < .05 < .06 < .06 < .05 < .05 06/16 < .06 < .05 < .06 < .06 < .05 < .05 06/23 < .05 < .05 < .06 < .06 < .05 < .05 06/30 < .05 < .05 < .05 < .08 < .05 < .05 07/07 < .04 < .05 < .05 < .08 < .*5 < .05 07/14 < .05 < .05 < .05 < .06 < .06 < .05 07/21 < .C5 < .05 < .04 < .06 < .04 < .05 07/28 < .05 < .04 < .05 < .06 < .05 .< .05 08/04 < .07 < .05 < .05 < .06 < .05 < .06 08/11 < .04 < .04 < .04 < .06 < .05 < .05 08/18 < .03 < .04 < .04 < .05 < .04 < .04 08/25 < .04 < .04 < .04 < .05 < .04 < .04 09/01 < .06 < .05 < .05 < .0? < .05 < .05 09/08 < .05 < .05 < .04 < .05 < .06 < .05 09/15 < .04 < .04 < .04 < .05 < .04 < .04 09/22 < .05 < .05 < .04 < .05 < .05 < .05 09/29 < .04 < .04 < .04 < .06 < .05 < .05 10/06 < .05 < .04 < .05 < .05 < .05 < .05 10/13 < .05 < .05 < .05 < .05 < .05 < .05 10/20 < .0S < .07 < .05 < .05 < .04 < .09 < .05 10/27 .20 i .07 .19 i .06 < .05 < .07 .07 i .04 .15 i .04 11/03 .20 ; .09 < .07 < .06 .13 i .06 .18 i .07 < .05 11/10 .09 i .05 .16 i .05 < .05 .14 i .06 < .07 < .08 11/17 < .05 < .06 < .05 < .07 < .06 < .06 .09 i .04 11/24 .33 i .06 .07 i .04 < .04 < .06 .22 i .06 .19 i .05 12/16 07 i .06 .12 i .06 < .06 < .08 < .08 < .C6 ANtfUAL MEtJIS .07 i .11 .060 i .062 < .052 .065 i .039 < .056 .062 i .070 .059 i .057 NOTE: ALL SEMICOLCt:S INDICATE A PLUS OR MINUS SIGH. t

m W W W W W W W W W W W W RMC TABLE XIX (CCllTItUED) ANALYTICAL DATA FCR HILK SAMPLES I-133 iPC/L OF HILK) COLLECTICtt DATE STATI0tf L STATI0tl N STATI0tl N STATICt1 0 80 01/28 < .06 < .05 < .05 < .06 02/11 < .04 < .04 03/10 < .06 < .05 03/31 < .07 < .07 < .05 < .05 04/07 < .05 < .05 04/14 < .05 < .05 04/21 < .05 < .05 04/28 < .04 < .04 I 05/05 < .05 < .05 j 05/12 < .05 < .04 05/19 < .05 < .05 05/26 < .07 < .05 < .05 < .08 06/02 < .07 < .06 06/09 < .05 < .05 06/16 < .05 < .05 , 06/23 < .05 < .05 06/30 < 06 < .05 07/07 < .05 < .05 07/14 < .05 < .05 07/21 < .04 < .05 07/28 < .05 < .05 08/04 < .05 < .05 08/11 < .05 < .04 a 08/18 < .04 < .04 08/25 < .04 < .04 09/01 < .05 < .05 09/0S < .05 < .05 09/15 < .04 < .05 09/22 < .05 < .05 09/29 < .05 < .05 10/06 < .05 < .04 10/13 < .05 < .05 10/20 < .05 < .05 < .05 < .06 1 10/27 .07 i .04 .19 i .04 i 11/03 .14 i .06 < .05 11/10 .40 i .08 < .08 11/17 .07 i .05 .26 i .06 .29 i .06 < .05 11/24 .18 i .06 < .05 12/16 < .05 < .05 AHtUAL 1:Ef.t!S .064 i .018 .10 i .18 .07 i .14 .054 i 04a HOTE: ALL SENICOLONS It01CATE A PLUS OR HINUS SIGN.

d l l l 4 1 Rt1C . TADLE XIX (CCttTIff)ED)

ANALYTICAL DATA FOR HILK sat 1PLES I

STATICf3 COLLECTIOtl A.H3 A.H3 SR - 89 SR - 90 CODE DATE trC/L CF HILK) (PC/L CF l!ATERI (FC/L OF HILK) (FC/L OF t: ILK) d 4 A CD 01/28 60 ; 50 90 ; 70 ! 05/06 100 ; 60 130 5 70 1 10/20 80 ; 60 90 ; 70 11/17 90 1 50 110 ; 6C AtatUAL ttEAtl.. . 83 ; 34 105 i 38 C 30 01/28 < 50 < 70 05/26 50 ; 50 70 ; 70 10/20 110 ; 60 130 3 70 1 11/17 70 ; 40 110 ; 60 ! Aln.'UAL ttE Atl. . . 70 ; 57 95 i 60 I j G 01/28 60 ; 60 80 ; 70 4 05/26 60 ; 50 80 ; 70 f 10/20 < 50 < 60 11/17 < 50 < 60 + AtePJAL t1E Atl. . . 55 ; 12 70 ; 23 i J 301/28 70 ; 70 80 ; 70 <5 4 ;1 305/26 50 ; 40 80 ; 70 < 10 7 ;2

,                              10/20             < 60                  < 60                  3          ;2       2.8         i .9

11/17 60 ; 40 100 ; 60 <2 2.2 ; .7 l

At#1UAL NEAtl. . . 60 ; 16 80 ; 32 5.0 3 7.1 4.0 i 4.3 1 i I ) l i \ - I NOTE: ALL set 1ICOLCHS IttDICATE A PLUS CR hit!US sigil. t

W W ' W W W W W W W W W W W TABLE XX 1980 MEAN CONCENTRATION OF IODINE-131 IN MILK BY WEEK RESULTS Ill Ut!ITS OF pCi/l 2 SIG14A Collection Near Farms Intermediate Farms Distant Farms Date (G,J,0) (D,L,M,N) (A,B, C E) All Farms 1/28 < 057

                  .                     < 055
                                          .                          < 050
                                                                      .             ' 054 2/11           <.040                  < 040
                                          .                          <.040          <.040 3/10           < 053
                  .                     < 055
                                          .                          <.053          <.054 3/31           < 050
                  .                     < 068
                                          .                          <.083          <.068 4/7            < 057
                  .                     < 050
                                          .                          <.050          <.053 4/14           < 050
                  .                     < 060
                                          .                          <.060          <.056 4/21           < 053
                  .                     < 060
                                          .                          <.053          <.055 4/28           < 047
                  .                     < 050
                                          .                          <.047          <.046 5/5            < 047
                  .                     < 055
                                          .                          <.063          <.055 5/12           < 043
                   .                    < 055
                                          .                          <.057          < 051 5/19           < 053
                  .                     < 060
                                          .                          <.050          <.054 5/26           < 067
                  .                     < 058
                                          .                          < 060          < 061 6/2            < 073
                  .                     < 070
                                          .                          < 067
                                                                      .             < 070 6/9            < 050
                  .                     < 055
                                          .                          <.053          < 053 6/16           < 050
                   .                    < 055
                                          .                          < 057
                                                                      .             < 054 6/23           < 050
                   .                    < 055
                                          .                          < 053
                                                                       .            < 053 6/30           < 050
                  .                     < 070
                                          .                          < 050
                                                                       .            < 055 7/7            < 050
                  .                     < 065
                                          .                          < 047
                                                                       .            < 053 7/14           < 053
                  .                     < 055
                                          .                          < 050
                                                                       .            < 053 7/21           < 047
                  .                     < 050
                                          .                          < 047
                                                                       .            < 048 7/28           < 050
                  .                     < 055
                                          .                          < 047
                                                                       .            < 050 8/4            < 053
                  .                     < 055
                                          .                          < 057
                                                                       .            < 055 8/11           < 047
                  .                     < 055
                                          .                          < 040
                                                                       .            < 046 8/18           < 040
                   .                    < 045
                                          .                          < 037
                                                                       .            < 040 8/25           < 040
                  .                     < 045
                                          .                          < 040
                                                                       .            < 041

i t i TABLE XX (CONT.) i 1980 MEAN CONCENTRATION OF IODINE-131 IN MILK BY WEEK RESULTS IN UNITS OF pCi/l 2 SIGMA l Collection Near Farms Intermediate Farms Distant Farms Date (G,J,0) (D,L,M,N) (A,B, C E) All Farms 9/1 <.050 <.060 < .053 < .054 l 9/8 <.053 <.050 <.047 <.050 9/15 <.043 <.045 <.040 <.043 9/22 <.050 < 050 <.047 <.049 9/29 <.053 < .055 <.040 <.048 10/6 <.047 <.050 <.047 <.048 10/13 <.050 <.050 <.050 < 050

10/20 <.067 <.050 <.053 < 056 10/27 .137;.122 .070 .147;.168 .124;.130 11/03 .093;.150 .135;.014 .110;.156 .110;.121 11/10 <.077 .270;.368 .100;.111 .134;.227 11/17 .067;.042 .173;.238 < 055

                                                                                                             .        .101;.174 11/24                     .153;.181                    .120;.170                .147;.319      .143;.208 12/16                         < 063
                                                       .                           < 065
                                                                                     .                 .083;.064      .071;.046 I

l l M M M M M

M M M M M M M M M M M M M M M M TABLE XXI C0fiCENTRATI0flS OF GA!!!!A Ei1ITTERS* IN 11 ILK Results in Units of pCi/l 2 sigma Env. Station Sampling Nuclides Found No. Date K-40 Cs-137 l J 1-28-30 1300 130 <0.9 5-26-80 1400 140 31 10-20-80 1500 150 <0.8 11-17-80 1600 160 <0.9

For typical minimum detectable levels of nuclides searched for and not found, see lable XXVII.

]

4 l Pr1C TADLE XXII l ANALYTICAL DATA FCR COIL S At1PLES j C0tiCEtiTRATIOil (PC/G DRf ) I J l< STATI0tl COLLECTIcti SR-89 59-e9 SR-90 59-90 l CCDE D AT E EDTTCM TOP BOTTCM TOP j -...... ______ ..._. ______ ...... _._____ .____ _____..__.__. ..________... 2 80 05/31 < .06 < .08 .37 i .05 .66 ; .07 ) .1 ; ; .08 4 11/01 .2 ; .1 .1 .45 ; .08 .66 ANNUAL MEAtt.... .13 ; .20 .09 ; .03 .41 ; .11 .66 1 3A 80 05/31 < .05 .03 ; .06 .20 ; .04 .19 ; .04 11/01 < .05 .11 ; .07 .15 ; .04 .18 ; .05 a l ANNUAL NEtH.... < .05 .095 ; .04 .18 ; .07 .19 ; .01 i I a i 5 C0 05/31 < .04 < .03 .04 i .03 .03 ; .02 11/01 < .06 .13 ; .06 .15 ; .04 .15 ; .04 4 ANtlUAL t1EAtl. . . . < .05 .08 ; .14 10 : .16 .09 ; .17 i l i I t!OTE: ALL SEttICOLONS INDICATE A PLUS CR MINUS SIGN. N E E E E E E

m m m m m m W W W W W TABLE XXIII CQlCENTRATIONS OF GAlf1A EMITTERS IN S0Il Results in Units of pCi/g(dry) Env. Station No. STATION 2 Average STATION 3A STATION 5 Average of Site Distant Location Locations Date 5-31-80 11-01-80 5-31-80 11-01-80 5-31-80 11-01-80 Nucl1 des Found Be-7 top 1" 0.5 0.3 <1.2 0.911.0 <0.3 <0.5 <0.1 <0.6 <0.3 bottom <0.23 <0.6 <0.4 <0.3 <0.5 <0.1 <0.5 <0.35 K-40 top 1" 18 2 1211 1518 17 1 18 2 22t2 23 2 20 5.9 bottom 19 2 12 1 16 9.9 1912 2112 20 2 22 2 21 2.6 Cs-137 tcp 1" 1.8 0.2 9.310.9 5.6110.6 1.1 0.1 1.00.1 0.25 0.03 1.0 0.1 0.84 0.79 bottom 1.0 0.1 2.2 0.2 1.611.7 0.9110.09 0.45 0.05 0.1110.02 0.39 0.04 0.47 0.66 I Ra-226 top 1" 1.410.1 1.10.1 1.3t0.4 1.010.1 1.1 0.1 1.0 0.1 1.1 0.1 1.10.1 bottom 1.9 0.2 1.410.1 1.7 0.7 1.1 0.1 1.10.1 1.0 0.1 1.10.1 1.10.1 Th-232 top 1" 1.3 0.1 1.5 0.2 1.4 0.3 1.0 0.1 1.1 0.1 1.2 0.1 1.5 0.2 3.2 0.4 bottom 1.4 10. 1 1.40.1 1.4 0 1.10.1 1.2 0.1 }.0 0.1 1.4 0.1 1.! 0.3 Othe rs* top 1" <l1DL <MDL -

                                                                                                                               <f1DL         <MDL      <MDL           <!!DL         -

bottom <MDL <MDL -

                                                                                                                               <MDL          <!!DL     <ltDL          <MDL o    For typical minimum detectable levels of nuclides searched for and not found, see Table XXVII.

FNC TABLE XXIV 11CNTHLY TLD RESULTS DFSULTS IN UNITS OF MRADS/STO. MONTH STATIDH 80 80 80 80 80 80 80 80 80 80 to 81 CCDE EQV.N3. AVG 01/06-02/03 02/03-03/01 03/01-04/05 04/05-05/04 05/04-05/31 05/31-07/12 07/12-08/09 08/09-09/06 09/06-10/12 10/12-11/01 11/01-12/06 12/06-01/10 IA 7.42 i 1.01 8.3330.32 8.1111.06 7.54i0.94 7.4510.59 6.99i1.04 6.4610.69 7.1630.24 7.44io.61 7.6150.79 7.9010.30 7.4650.27 7.1430.50 IB 5.96 i 0.74 6.57;1.12 6.0380.55 6.4650.51 5.8410.37 6.1431.23 5.2250.49 6.1830.89 5.8230.29 5.8150.59 6.3730.51 5.7610.51 5.8430.31 1C 6.96 i 1.85 8.1431.26 7.6680.80 7.6150.79 5.6 f ic .61 6.96:9.** 6-6430.57 7.9530.89 7.1630.40 7.3580.57 6.06;0.13 5.1630.41 7.2480.75 10 6.85 3 0.65 7.3230.30 7.1580.71 7.1230.68 6.63;0.71 6.7051.01 6.4480.47 7.1480.49 6.56i0.79 6.67;0.16 7.4230.68 6.7430.62 6.68;0.22 1E 6.76 i 1.12 7.66;0.99 7.6210.70 7.3430.75 6.4711.04 6.4530.63 5.9080.34 6.8450.31 6.55;0.37 6.40;0.55 7.3730.46 6.8130.99 6.4230.87 IF 8.05 . 1.44 9.1210.76 8.3530.67 8.7930.51 8.2010.78 7.1511.39 6.8250.43 8.4631.33 7.4830.48 8.3030.33 8.9710.75 7.57;0.53 8.05;0.31 1G 5.20 3 0.88 6.04;0.54 5.7950.42 5.6630.51 5.06;0.53 5.06i0.41 4.6630.3a 4.7350.55 5.0610.17 4.8650.34 5.5930.66 5.2930.39 5.0130.36 1H 6.53 3 0.81 7.3280.54 7.0210.42 6.3831.76 6.5730.71 6.54io.53 5.9150.64 6.70;0.73 6.4830.56 6.6230.74 7.1710.25 6.1430.26 6.2210.52 II 6.02 i 1.99 6.1010.13 6.44;0.37 6.3980.50 7.5750.64 5.5650.52 5.0280.55 5.04i0.81 5.3730.47 5.0430.32 7.7850.88 7.2230.18 5.6780.46 1J 8.01 i 1.11 8.2250.19 8.65;0.50 8.75i1.04 7.8910.31 7.5310.76 7.4511.01 8.5410.58 8.28;0.54 7.76;0.48 8.8030.30 7.8110.37 7.11;0.74 IL 5.51 i 1.04 5.8080.76 6.1480.85 5.45;0.65 5.6280.28 4.4610.3t 4.9230.26 5.08;0.46 5.4930.22 5.7810.64 6.05i0.28 6.2850.57 5.3980.43 1H 3.89 i 0.67 4.4830.47 4.2310.34 4.1230.73 4.2410.22 3.9130.1'. 3.6010.53 3.7950.21 3.5810.34 3.49:0.30 4.3280.69 5.68;c.22 3.6530.55 2 6.57 ; 1.06 7.3630.32 7.3630.44 7.3050.51 6.3330.56 6.4110.62 6.3630.13 6.63il.23 6.50$I.09 6.1650.37 6.7210.41 6.4810.81 5.58;O.27 3A 5.41 i 1.23 5.82ib.45 6.08;0.60 5.96i1.10 5.70io.40 5.05;0.47 6.3033.58 5.01;0.63 4.9280.56 4.9210.45 6.03;0.33 4.54;0.26 4.75;0.44 4K 4.45 i 0 94 5.08;0.22 5.0110.29 5.1380.61 4.9130.35 4.4810.97 4.0130.51 4.4650.12 4.0210.08 3.75i0.3S C.6830.51 4.18;0.47 4.20;(.41 5 6.50 i 0.82 7.0450.58 6.59;1.43 6.7750.96 6.6750.4b 7.0031.78 5.8510.25 6.8030.22 6.0630.42 6.1330.68 7.0530.55 6.3980.71 6.2430A1 68 5.66 i 1.51 6.7710.66 6.7030.50 6.30;0.25 6.34;1.21 6.4680.71 5.2530.21 S.3280.36 4.71;0.8' 4.9730.42 5.6730.79 5.06 0.25 4.9930.94 14 6.87 3 1.02 6.6530.38 7.28;0.42 7.83;1.26 7.32.1.00 6.85;0.61 6.5130.34 7.3130.36 6.5650.27 7.1230.35 6.24i0.66 6.1530.59 6.5330.65 15 7.16 i 0.89 7.69;0.46 7.03;0.87 7.8510.24 7.8930.97 7.0010.18 6.89;1.10 7.3330.58 6.8310.7E 7.1180.92 6.6710.29 7.0430.(5 6.53:0.44 16 7.11 . 0.95 7.4130.60 7.5411.70 7.30;0.45 6.9530.60 7.5630.6f 7.3311.01 7.8950.41 6.4010.20 %.91;2.09 6.9830.60 6.9030.96 6.27;0.59 17 7.E5 i 0.97 8.5751.47 8.1651.45 8.5151.37 7.67;&.61 8.1631.00 7.5710.81 8.32;1.23 7.4630.41 7.7310.82 7.5210.42 7.5130.44 7.1050.33 18 7.33 3 0.93 8.4930.55 7.6050.83 7.1431.22 7.1850.37 6.9730.54 7.2010.66 7.5130.71 7.4130.94 6.9330.84 7.0030.12 7.7810.73 6.7950.79 19 6.06 ; 0.60 7.3730.66 7.0280.57 7.16;0.61 7.04;1.22 7.54 0.19 6.6311.17 7.08 0.19 6.65;0.76 7.05;0.23 7.0110.85 6.6650.39 6.6130.53 20 8.19 ; 1.32 8.35;0.25 8.5450.28 8.7410.77 8.2550.86 9.3331.38 8.6952.22 7.4430.73 7.70;0.47 7.3850.61 7.2350.26 7.6730.40 7.6130.39 HDTE: AL' SEMICOLCNS INDICATE A PLUS 09 MINUS SIGH. M M M M M M M M M M M

W W W W W W W W W W Pt1C TAttE XXIV ECCNTit!UED) tritTHLY TLD RESULTS RESULTS IN UNITS OF t'RADUSTO. t10t4TH 80 80 80 80 80 80 80 80 80 81 STATION 80 80 CODE E0V.tto. AVG. 01/06-02/03 02/03-03/01 03/01-04/05 04/05-05/04 05/04-05/31 05/31-07/12 07/12-08/09 03/09-09/06 ........... 09/06-10/12 10/12-11/01 11/01-12/06 _ ........... 12/06-01/10 7.1280.84 7.4230.91 7.0930.b9 8.69;1.12 6.6780.89 6.6130.47 6.5310.26 6.4350.36 6.69;1.10 6.3150.25 6.74;0.28 21B 6.99 5 1.42 8.0430.23 7.0511.11 6.8910.95 8.4831.29 6.9350.88 7.04 0.66 6.9740.37 6.4210.52 6.8210.73 6.7530.49 6.5630.55 22 7.0951.24 8.1830.7% 7.5010.55 7.55;1.03 7.5250.55 8.1080.96 8.3050.40 7.7110.60- 7.1111.00 6.9110.99 6.55;1.16 7.8130.30 7.0510.35 7.2010.70 23 7.42 1 1.01 7.5910.92 5.9830.86 5.3530.37 5.6450.36 5.9510.91 6.7053.44 5.4580.81 5.3150.66 5.6150.19 5.5530.54 5.50;0.37 5.1030.43 24 5.68 i 0.83 5.8580.43 7.9831.49 8.56;0.55 7.9080.30 8.8830.48 8.6231.47 7.9250.33 7.7230.48 7.90;0.36 8.09;1.20 7.9330.50 7.1010.92 24 8.08 i 0.94 8.3210.44 7.9910.47 8.2730.79 8.1261.56 7.60;0.79 7.3230.38 7.4750.48 7.57;1.11 6.8080.56 6.5010.28 27 7.63 i 1.17 8.2810.62 7.4730.49 8.30io.29 6.99 3 0.94 7.56;1.27 7.5410.35 6.8730.64 7.3830.64 7.4831.08 6.6910.32 6.86i0.87 6.5250.68 7.0050.28 7.5530.47 6.2530.60 6.1310.27 31 7.9910.85 7.9830.48 7.7610.30 9.5111.41 7.2830.84 7.5850.45 .'. 0 6 ;1. 33 7.0110.88 7.5511.13 7.1810.67 6.9610.24 32 7.6451.52 8.6950.68 5.6530.29 5.6630.37 5.4730.80 4.7310.74 4.8110.33 4.9210.30 4.8080.70 4.6210.95 5.1850.40 33A 5.38 3 1.29 5.8230.82 6.25;1.24 6.6451.18 7.59 ; 1.04 8.2110.83 7.4230.63 7.7110.69 8.3250.52 8.5750.75 7.7132.13 7.2610.27 7.3410.26 7.2130.42 7.5650.45 7.2110.56 6.8250.71 38 8.04 ; 1.00 (An 8.6510.35 8.1650.28 7.9030.64 8.1650.32 8.3911.18 7.2010.31 40 8.6430.64 8.1830.87 8.0031.02 9.1382.55 9. 25 & c .5 5 7.8110.83 42 8.45 i 1.20 8.4930.42 8.0530.45 8.2950.43 9.5611.20 8.27;0.59 7.6110.79 C3 8.29 3 1.30 6.5410.32 6.4030.56 6.8430.19 7.1530.94 6.5410.33 6.0810.45 C4 6.56 i 0.74 7.65;0.87 7.4680.66 7.4330.68 7.8930.82 7.72;1.27 7.63;0.85 45 7.61 i 0.33 6.7730.74 6.7410.50 6.9530.35 7.1730.90 6.78;0.83 6.04ic.24 46 6.71 i 0.76 7.92;n.58 7.3811.97 8.1680.21 8.8111.36 8.1310.43 7.2950.82 67 7.90 1 1.13 48 6.98 i 0.51 6.8951.38 7.0810.49 6.8130.62 7.4510.59 7.2110.44 6.7650.46 7.48 ; 0.95 7.74il.15 7.4210.73 7.4450.56 8.3510.67 6.9250.37 7.6030.u5 40 50 8.46 3 0.76 8.96;0.62 8.2010.41 8.4130.24 9.0080.77 8.1430.70 8.3330.56 7.5850.69 7.3431.09 7.04;0.78 8.2130.73 7.1750.30 6.6310.64 51 7.24 i 1.07 1NH 7.49 i 1.03 7.3230.71 7.2610.55 7.5430.46 8.4511.30 7.7530.46 6.9630.52 00 80 80 80 80 50 80 80 80 81 STATICH 80 80 CODE EQV.t:0. AVG. 01/03-02/04 01/31-03/03 02/28-04/07 04/02-05/05 04/30-06/02 05/30-07/i4 07/09-08/11--_08/06-09/09 -...__ 09/06-10/12 -= .. 10/09-11/04 10/30

                                                                                                                                                                                       .....-12/03      12/05-01/13 12B           5.55 i 0.92 6.5880.68         5.1750.63  6.1410.77        5.55;0.31    5.3110.57       5.33;0.53   5.5530.33    5.2230.53       5.8880.63          4.9350.51      5.2930.47                        5.4950.29 NOTES: ALL set 11 COLONS INDICATE A PLUS OR MItfUS SIGH.

iAl NO DATA AVAILABLE.NEW STATIONS PUT IN SERVICE OH 07/12/80.

PMO TABLE XXV QUARTERLY TLD RESULTS RESULTS It4 .RIITS OF MRADS/STD. MONTH STATI0t1 80 80 80 81 STATI0tl 80 00 80 81 CODE EQV.MO. AVG. 01/06-04/05 04/05-07/12 07/12-10/12 10/12-01/10 CODE EQV.MO. AVG. 01/06-04/05 04/05-07/12 07/12-10/12 10/12-01/10 IA 7.01 i 1.59 7.5750.69 5.9710.68 6.9050.53 7.7130.37 21B 6.78 ; 1.11 7.3150.34 6.04;0.31 6.7350.37 7.1030.80 IB 5.76 i 1.22 6.5010.77 5.1030.27 5.4930.23 6.0110.22 22 6.74 ; 0.30 6.9430.68 6.5530.68 6.7430.15 6.7350.24 1C 6.08 ; 1.97 6.9130.66 4.6710.30 6.5080.47 6.35;0.67 23 7.20 3 0.96 7.8651.12 6.8530.23 6.8480.25 7.2930.28 1D 6.36 i 1.22 7.0530.48 5.7950.74 5.92;1.25 6.7350.59 24 5.38 3 0.37 5.5850.41 5.2830.53 5.1930.41 5.4730.61 1E 6.44 ; 1.19 7.1330.98 5.9110.41 6.0030.57 6.7750.27 26 7.55 i 0.87 7.9750.31 6.9530.64 7.6730.61 7.66;u.20 IF 7.65 ; 1.33 8.2250.25 6.9430.23 7.27;1.01 8.2550.88 27 7.16 i 1.0* 7.7310.65 6.5010.48 7.16;0.22 7.3230.81 1G 4.88 ; 0.68 5.18i0.40 4.42;0.20 4.87;1.09 5.09;0.34 31 6.e8 i 0.,6 7.60 0.29 6.5530.55 6.75;0.45 6.66;0 :8 IH 6.59 i 1.21 7.3810.37 6.0110.17 6.26i0.60 6.78i0.10 32 7.4230.86 7.8430.89 6.8/i0.59 7.35;0.47 7.6710.51 II 5.00 3 1.54 5.4730.20 6.4230.42 4.85i0.64 6.4310.18 33A 5.17 i 0.67 5.4930.45 5.2230.52 4.7030.63 5.29,w.36 IJ 7.56 ; 0.78 7.7980.85 7.0080.68 7.8730.31 7.6250.30 38 7.31 ; 0.95 7.7730.37 7.4930.57 6.6630.22 7.3110.33 IL 5.30 i 1.26 5.3630.93 4.5810.25 5.20;0.20 6.1150.71 40 7.98 ; 1.40 (A) 7.4931.02 8.4830.29 IM 3.50 ; 0.57 3.5830.32 3.3130.17 3.5250.13 3.9810.28 42 A.22 i 0.58 8.0150.24 8.43;0.65 2 6.16 ; 0.81 6.5750.95 5.8130.26 K.4330.56 6.4650.54 43 7.'4 5 0.30 7.8330.47 8.0530.26 3A 5.06 ; 0.97 5.5510.22 4.49;0.56 4.8750.e2 5.3810.31 44 E.49 i 0.28 6.5930.51 6.3850.24 4K 4.41 i 1.19 5.P3;0.65 4.0710.19 3.8080.22 4.5010.24 45 7.25 ; 0.97 6.9110.35 7.59;0.56 5 6.44 3 0.05 6.8730.79 5.8750.49 6.4831.37 6.6050.47 46 6.45 5 0.32 6.3330.55 6.5730.78 eD 5.56 i 1.23 6.2510.72 5.55i0.48 4.7630.09 5.7130.25 47 7.70 3 0.iz 7.4430.84 7.9630.48 14 6.64 ; 0.97 7.20;0.59 6.0930.85 6.4630.39 6.87;0.27 48 6.82 ; 0.68 6.5850.24 7.06;0.25 15 0.66 ; 1.26 7.5130.64 6.1330.29 6.6730.36 7.3030.81 49 7.17 i 0.73 6.9150.54 7.4310.35 16 6.63 ; 0.73 6.7030.50 6.1210.93 6.7630.37 6.97;0.42 50 8.25 3 0.51 8.08;0.20 8.4250.34 17 7.42 ; 0.86 7.6631.31 6.9430.31 7.2230.64 7.8930.82 51 7.00 ; 0.61 6.8550.71 7.2830.42 18 7.15 3 0.97 7.6510.36 6.6830.64 6.8250.47 7.5131.04 INN 7.71 3 0.08 7.6830.27 7.7430.27 19 6.76 3 0.79 6.9430.45 6.3510.38 6.5650.44 7.2430.43 STATIDH 80 80 80 81 CODE EQV.MO. AVG. 01/03-04/07 04/02-07/14 07/12-10/12 10/09-01/13 20 7.68 ; 1.30 8.54;0.85 7.05;0.70 7.3550.26 7.83;1.21 ------- ------------ ----------- =-- ----------- ----------- 12B 5.28 i 0.81 5.8650.38 5.1310.34 4.9230.43 5.2130.36 NOTES: ALL SEttICOLONS INDICATE A FLUS OR HIHUS SIGN. (A) NO DATA AVAILABLE, HEW STATI0t4S PUT IN TO SERVICE Ott 07/12/80. M M M M M M M M M M m

E ' Pt"C TABLE XXVI MEA?! mot 4THLY APD CUA'ITEPLY TLD RESULTS FC9 THE SITE ECUtot.P f, i:It'DLE, AND OUTER RJNGS RESULTS It: Ut!ITS OF MRta/STE.11CHTl! ; 2 S10t1A DEVIATIOtt OF THE DATA SAMPLE EXPO!URE TYPE PERIO3 SITE BOUtOARY tilDDLE RItiG OUTER RIt4G MCt4TH LY J At:U *.R Y CO 7.09 ; 2.60 7.35 ; 2.04 7.44 ; 1.93 F;LTUf9f CO 6.91 ; C.55 7.03 ; 1.84 7.00 ; 0.22 ttARCH C0 6.02 ; 2.80 7.E4 ; 2.03 7.04 ; 2.13 APRIL 00 6.03 ; 2.30 7.30 ; 2,07 6.81 ; 1.e3 M1Y 80 5.87 ; 2.35 6.96 ; 2.72 7.34 ; 2.04 JU':E 80 6.06 ; 2.00 7.13 ; 2.70 6.9% ; 1.00 JULY 60 6.55 ; 3.05 6.71 ; 2.44 6.79 ; 1.93 AUGUST 60 6.27 ; 2.54 6.35 ; 2.34 6.46 ; 1.89 SEPTEM3ER 80 6.29 ; 2.68 6.41 ; 2.46 6.61 ; 1.31 CCTCSEP 80 6.00 ; 2.72 6.77 ; 2.15 6.43 ; 1.77 tCVEtT E R CO 6.15 ; 2.34 6.35 ; 2.37 6.60 ; 1.95 DICEMOE7 CO 6.11 ; 2.42 6.19 ; 1.90 6.37 ; 1.69 QUARTERLY Jitt/80 - APR/00 6.50 ; 2.67 7.03 ; 1.90 6.94 ; 0.05 ATP/CO-JUL/80 5.41 ; 2.24 6.14 ; 1.90 6.09 ; 1.39 JUL/80-CCT/80 5.c0 ; 0.34 6.28 ; 2.09 6.33 ; 1.82 CCT/Co-JAt1/81 6.33 ; 2.09 6.68 ; 2.02 6.76 ; 0.03 SITE CC*a ntRY pit!", STATIONS - 10, IC, 10, IE, IF, 1G, 1H, IJ, IL, IN, O. MIDDLE RI!!G STATICtS - 3A, 4K, 5, (D 14, 15, 17, 02, 23, 06, 27, 31, 32, 33A, 38. OUTER RIt!G STATICtIS - 100, 16, 13, 19, 20, 210, 24. tiOTES: ALL SEttICOLCtts IfOICATE A PLUS CR MIt#JS SIC'I. (1) EXrCSURE FERIOD DATES ARE IISICATED C!1 T/DLES XXIV At1D XXV. 9

TABLE XXVII GAffiA SPECTROMETRY OF ALL !!EDIA TYPICAL HINiiti!" DETECTABLE LEVELS OF NUCLIDES SEARCHED FOR BUT N01 FOUND NUCLIDE SURFACE WATER DISCHARGE WATER RAIN WATER AIR PARTICULATES MILK -SOIL (pCi/1) (pCi/1) (pCi/1) ( 10-3 pCi/m3 ) (pCi/1) (pCi/g-dry)

                             *                     *                       *

0.5 Be-7 -

Na-22 0.5 0.5 1.0 1.0 1.0 0.02 K-40 6.0 6.0 20.0 20 - - Cr-51 9.0 5.0 25.0 7.6 8.0 1.0 Mn-54 0.4 0.4 1.0 0.3 0.8 0.02 Co-57 *

1.0 0.02 Co-58 0.6 0.6 2.0 0.8 1.0 0.02 Fe-59 2.0 1.0 4.0 2.0 3.0 0.04 Co-60 0.5 0.5 1.0 10 0.8 0.04 Zn-65 1.0 1.0 1.0 2.1 2.0 0.04 1.3
Zr-95 .09 Nb-95
1.1 .1 ZrNb-95 0.4 0.4 2.0 0.8
Mo-99 3.0 3.0 20.0 820 340 2.0 Ru-103 1.0 0.03 Ru-106 4.0 4.0 20.0 6.3 7. 0 0.2 Cd-109 22 0.5 Ag-110m 0.5 0.5 2.0 2.1 0.9 0.05

                             *                    *

2.0
Sb-125 0.05 Te-129m 9.0 11.0 26.0 14 14 3.0 I-131 2.0 3.0 3.0 0.8 3.0 0.09 Te-132 0.3 0.~a 2.0 33 18 0.3 I-133 0.5 0.5 3.0 0.7
0.01 Cs-134 0.4 0.5 2.0 1.0 0.8 0.04 Cs-135 2.0 2.0 2.0 16 3.0 0.n5 Cs-137 0.5 0.5 1.0 1.0 0.9 -

Ba-140 130 4.0 La-140 * * *

55 2.0 Bala-140 2.0 2.0 5.0 4.3 2.0 0.08 Ce-141 * * *
1.0 0.03 Ce-144 2.0 2.0 8.0 6.0 2.0 0.1 Ra-226 0.8 0.8 2.0 2.0 1.0 -

Th-232 2.0 2.0 2.0 4.0 3.0 - Minimum detectable levels of these nuclides were not calculated for these media. Dash (-) indicates a positive concentration was measured in all sarples analyzed. x

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