ML20084U541
| ML20084U541 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 12/31/1990 |
| From: | Burski R ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| W3F1-91-0053, W3F1-91-53, NUDOCS 9104190066 | |
| Download: ML20084U541 (116) | |
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f"T". """"' '"* ' i R. F. Durski W3F1-01 -0053 A4.05 QA April 1$, 1991 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Subject : Waterford 3 SES Docket No. 50-382 License No. NPI'-38 Annual Radiological Environmental Operating Report Gentlemen: Attached is the subject 1990 annual report on radiological environmental monitoring which covers the period of January 1 through December 31,1900. This report is submitted per Section G.9.1.7 in the Waterford 3 Technical Specifications (NUREG-1117) . If there are any questions, please contact D. A. Ilothrock at (504) 730-6693. Very truly yours,
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Attachment (w/ Attachment) cc: Mr. R.D. Martin, NRC Region IV NRC Resident inspectors Office (w/o Attachment) cc: Messrs. D.L. Wigginton, NRC-NRR E.L. Blake R.B. McGehoe N.S. Reynolds
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- WATERFORD 3 199O RADIOLOGICAL ENVIRONMENTAL
- MONITORING REPORT DIRECT RADIATION PATHWAY AIRBORNE WATERBORNE EXPOSURE O EXPOSURE PATHWAY PATHWAY INGESTION EXPOSURE i PATHWAY
\ ANNUAL RADIOLOGICAL ENVinONMENTAL OPERATING REPORT FOR WATERFORD 3 STEAM ELECTRIC STATION JANUARY 1 THROUGH DECEMBER 31,1000 DOCKET NUMBER: 60 382 UCEN8E NUMBER: NPF 38
ABSTRACT This report is issued pursuant to Waterford 3 SES Technical Specification 6.9.1.7. Its purpose is to discuss the Waterford 3 SES Radiological Environmental Monitoring Program (REMP), present the results of the program for the year of 1990, and evaluate the radiological impact on the environmont reeutting from plant operation. The Waterford 3 SES REMP collected data on environmental radioactivity levels around the Waterford 3 SEs nuclear power plant. These levels were determined by analyring samples of air, water, shoreline soil, fish, vegetation, and milk from various locations around the facility. Based on the evaluation of the environmental data collected, the operation of Waterford 3 SES exhibited no disetsrnable impact on the levels of radioactivity in the environment during 1990. 11 W391665.SA i
l 7 4 ' TABLE OF CONTENTS < i- ! PAGE ABSTRACT ... . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . 11 5 d TABLE OF CONTENTS' . . . . . . . . . . .... . . . . . . . . . . . . . . . 111
- List OF TABLES . . . . . . . . . . . . ... . . . . . . . . . . . . . . . v-
- LIST OF FIGURES . . . . . . . . . . . ... . . .. . . . . . . . . . . . . - vii
1.0 INTRODUCTION
. . . . . - . . . . . ............ . . . - . - . . 2 1.1 Program and Report Objectives . . . . . . . . . . . . . . . . . 1 1.2 , Plant and Site Description . . . . . . . . . . . . . . . . . . -. 1 2.0 PROGRAM DESCRIPTION . . . . . . . . - ... . . . . . . . . . . . . . . . 2 2.1 History and Development . . ....... . . . . . . . . . -. . 2 .
2.2 sample. Collection and Handling Procedures =. . . . . . . . . . . 3 2.2.1 Direct Radiation Exposure Pathway Samples . . - . . . . . . 3 2.2.2 Airborne Exposure Pathway samples . . . . . . . . . . . . 4 , 2.2.3 . Waterborne Exposure Pathway samples . . . . . . 1 - . . . . : 4 2.2.4 Ingestion Exposure Pathway samples . . . . . . . . . . . 5 , 2.3 Analytical-Procedures . . . ...... . . . . . . . . . , . .- 6 l 2.4 Laboratory Quality Assurance . .. . . . . . . . . . . . . . . . 6 i 3.0 DISCUSSION OF RESULTS-. . . . . . ...... . . . . . . . . . . . 21 > 3.1 Direct Radiation Exposure Pathway , . -. . - . . . . . . . . . . . 21 3.2 Airborne Exposure Pathway . .... . . . . . . . . . . . . . . 21 3.2.1 Airborne Particulates . . . ... . . . . . .- . . . . . . . . 21 3 3.2.2 Airborne Zodine . - . .... . . . . . . . . . . . . . .
. 22 3.2.3 Gamma Isotopic Analysis . . . . 22-
. . . . . . .~. . . .
-3.3 Waterborne. Exposure Pathway . . . . '. , . . . : . . - . . . . . . 22- ,
- 3. 3.1 ' Drinking / Surface Water . . . . -. - . . . . . - . . . . . . . 22-3.3.2 Groundwater . . . . . .-. . . . ... . . .'. . . . .-.-. .- 23 3.3.3 shoreline sediment. . .-.......... . . .. . . . 23 3.4 24 :
Ingestion Exposure Pathway . . . .L. . . . -. . . . . . . . . , . .- 3.4.1 Milk - . . .. -- . - .- . . . . . . . . . -. . . . . . . - . . . . . . . 24
'3'4.2
. Fish , - . . ' . =. . . = . ... . . . - . - . . . . . . . . . . . . . '24 3.4.3~ Broad. Leaf Vegetation . . . . . . . . . . . . ... . ... .- 25- .
3.4.4 Food Products . . . . . . . . .. . . . . . , . . '. . . . - . 26 3.bL-Deviations.from the REMP . . . ---
. . . . . . . . . . . . . .. . . . . 25 3.5.1 Unavailable samples . . . . . . ... . . . . . . . . . . .
25 3.5.2 Missed Lower Limits of Detection -. . . . .- . . .. . . . . 26 3.5.3 Changes to the REMP . . . -- . . . . . . . . . - . . . . . . . . 26 3.5.4 Additional samplesL . ... . . . . . . . . . . . . . . - . .26 [ 3.6 Annual Land Use census Results .-. 26 3 i
=.4. 0 CONCLUSIONS . . - .- . . : . . . . . . .. . . . . . . . . . . -. . . . . . . 29- ->
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i i TABLE OF CONTENTS (CONTINUED) PAGE APPENDIX A REMP DATA
SUMMARY
. . . . . . . . . - . . . . . . . . . . . . . . 30 ;
- APPENDIX B REMP DATA . - - . . . . . . . . . . . . . . . . . . . .- . . . . . 30 APPENDIX C
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LOWER L LIMITS OF DETECTION ~ . . . ._. . . , . . . . . .. - . _ . . . . . - . . 88 APPENDIX D
SUMMARY
OF INTERLABORATORY COMPARISONS . . - . .-- . . . . . . . - . 94 APPENDIX E SYNOP8ES OF ANALYTICAL PROCEDURES . . . . . . . . . . . . . . '97 i E-1.0 ANALYSIS OF SAMPLES FOR OR088 BETA ACTIVITY . . . . . . 98 E-1 1 Air Particulates . . . . . . . . . . . . . . . . 98 E-1.2 Water . . .. . . . . .. . . . . . . . . . . . . . 98 7 1 E-2.0 ANALYSIS OF WATER SAMPLES FOR TRITIUM , . . . . . . . . 98 98 E-3.0 ANALYSIS OF SAMPLES FOR 10 DINE-131 . . . . . . . . . .
-E-3.1 Milk and Water.. . . . . . . . . . . . . . . . 98 E-3.2 Broad Leaf vegetation . . . . . . . . . . . . -. 98
,. E-4.0 OAMMA SPECTR08 COPY ANALYSIS . . . . . . . . . . . . . . 99. E-4.1 Milk and Water . . . . . . . . . . . . . . . . . 99-E-4.2 Vegetation, Food and Carden Crope, and Fish . . 99 ! E-4.3. Soils and Sediment . . . . - . . . . . . - . . . . . 99 i 99
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~
E-4.4 Charcoal Cartridges (Air Iodine) . . . . , . . . . E-4.5 Air Particulates . . . . - . . . . . . . . . . . - . 100 , E-4.6 Computer Software . . . . . . . . . . . . . . . 100 ' E-5.0' ENVIRONMENTAL DOSIMETRY . . . . . . . . . - . . . . . . . . 100 APPENDIX F- STATISTICAL ANALYSES . . . . . , ... . . . . - . . . . . . . . . 101 , F-1.0 CALCULATION OF MEAN AND STANDARD DEVIATION . . - . . . 102
- F-2.0 COMPARING-TWO SAMPLE POPULATION MEANS .c. . . . . . . - . ; . 102 F-3.0 TLD MEASUREMENT 8 '. . . . . ., . . . . . . . . . . . . . . 104
- F-4.0 GROSS SETA ACTIVITY.ON AIR PARTICULATE FILTERS . . - . i 104 F-5.0 GROS 8 BETA ACTIVITY IN HONTHLY DRINKING WATER
- . COMPOSITES . . . . . . .. . .. . . . . . . . . . . . . . 104. ; i t f _p l
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LIST OF TABLES PAGE TABLE 2.1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 7 (REMP)
SUMMARY
. . . . . . . . 8 TABLE
2.2 DESCRIPTION
OF REMP SAMPLING STATION LOCATIONS TABLE 2.3 DETECTION CAPABILITIES FOR ENVIRONMENTAL SAMPLE ANALYSIS,
. . . . . . . . . . . . . . . . 17 LOWER LIMIT OF DETECTION (LLD)
TABLE 3.1 1990 DIRECT RADIATION DATA ORGANIEED BY COMPASS DIRECTION 27 AND DISTANCE FROM WATERFORD 3 SES . . . . . . . . . . . . . . . 1990 ANNUAL LAND USE CENSUS RESULTS . . . . . . . . . . . . . . 20 TABLE 3.2 s 31 TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
. . . . . . . . . . . . . . . . . . . 39 TABLE B-1 QUARTERLY TLD DOSE RATES TABLE B-2 AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES:
40 GROSS BETA AND IODINE-131 ANALYSES . . . . . . . . . . . . . . TABLE B-3 AIR PARTICULATE FILTERS: CAMMA ISOTOPIC ANALYSIS ON
. . . . . . . . . . . . . . . . . . . . . 55 QUARTERLY COMPOSITES DRINKING WATER: IODINE-131 ANALYSIS . . . . . . . . . . . . . 56 TABLE B-4 TABLE B-5 DRINKING WATER GROSS BETA ANALYSES ON MONTHLY COMPOSITES AND GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES . . . . . . . 59
. . 65 TABLE B-6 DRINKING WATER: TRITIUM ANALYSIS ON QUARTERLY COMPOSITES .
IODINE-131 ANALYSIS . . . . . . . . . . . . . . 66 TABLE B-7 SURFACE WATER TABLE B-8 SURTACE WATER: GAMMA ISOTOPIC ANALYSES AND GROSS BETA ANALYSES ON MONTHLY COMPOSITES . . . . . . . . . . 69 SURFACE WATER: TRITIUM ANALYSIS ON QUARTERLY COMPOSITES. . . . 75 TABLE B-9 76 TABLE B-10 GROUNDWATER: TRITIUM AND CAMMA ISOTOPIC ANALYSES . . . . . . .
. . . . . . . . . . . 7V TABLE B-11 SHORELINE SOIL: GAMMA ISOTOPIC ANALYSES TABLE B-12 MILK IODINE-131 AND GAMMA ISOTOPIC ANALYSES . . . . . . . . . 78 TABLE B-13 FISH: GAMMA ISOTOPIC ANALYSES . . . . . . . . . . . . . . . . 82 v
W391665.SA
y L LIST OF TABLES (CONTINUED) PAGE TABLE B-14 Bh0AD LEAF VEGETATION: IODINE-131 AND GAMMA 84 ISOTOPIC ANALYSES . . . . . . . . .. . .. .. . . . . . . . . . ] TABLE B-15 VEGETATION - FOOD PRODUCTS: IODINE-131 AND GAMMA
- ISOTOPIC ANALYSES . . . . . . . . . . . . . . . . . . . . . . .- 87 7 ~
TABLE C-1
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LOWER LIMITS OF DETECTION DURING THE PERIOD OF JANUARY 1 TO MARCH 31, 1990 ... . . . . . . . . . . . . . . . . .. . . . 89 TABLE C-2
SUMMARY
OF UNhVAILABLE SAMPLES AND MISSED LOWER LIMIT 3 OF DETECTION DURING THE PERIOD OF APRIL 1
.TO JUNE 30, 1990 .. . . . . . . . . . . . . . . . . .. . . . - . 90 ,
4 TABLE C-3
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LOWER LIMITS OF DETECTION DURING THE PERIOD OF JULY 1 4 TO SEPTEMBER 30, 1990 . . . ... .. . .. . . . . . . . ' . . . 91 TABLE C-4
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LOWER LIMITS OF DETECTION DURING THE PERIOD OF OCTOBER 1 TO DECEMBER 31, 1990 . . . = . . . - _ . . . . .. .. . .. . - . . . . . 92 TABLE C-5
SUMMARY
OF UNAVAILABLE TLD MEASUREMENTS FOR THE-PERIOD OF JANUARY I TO DECEMBER 31, 1990 . . . . . . .. . . . . 93 TABLE D-1 EPA CROSS-CHECK'RESULTS . -. ... .-. . . . . . . . . . . . . . . . ' . . 95- ; p
' TABLE F-1 STATISTICAL COMPARISON OF.TLD MEASUREMENTS FROM STATIONS.OROUPED BY DISTANCE FROM WATERFORD 3 SES . . . ... . 105
- TABLE F .. STATISTICAL COMPARISON'OF GROSS BETA ACTIVITY ON AIR PARTICULATE FILTERS FOR 1990 .-. . . . . .- . .:. .. . . . . .
106: . TABLE F-3_ STATISTICAL COMPARISON OF CROSS BETA ACTIVITY IN
-MONTHLY DRINKING WATER COMPOSITES-FOR 1990 . . ~. . . . . . . . 107 r
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. -. . - . . _ . _ - - . - . . .- - .. . . . . . . . . - _ _ . .- - . .~
i LIST OF FICURES PAGE FIGURE 2.1 REMP SAMPLE LOCATIONS WITHIN 2 MILES OF WATERFORD 3 . . . . . . . . . . . . . . . . . . . . . . . . . . 10 FIGURE 2.2 REMP SAMPLE LOCATIONS WITHIN 10 MILES OF WATERFORD 3 . . . . . . . . . . . . . . . . . . . . . . . . . . 19 FIGURE 2.3 REMP SAMPLE LOCATIONS WITHIN $0 MILES OF WATERFORD 3 . . . . . . . . . . . . . . . . . . . . . . . . . . 20 vii W391665.SA
1.0 INTRODUCTION
This report describes the Radiological Environmental Monitoring Program (REMP) for the Waterford 3 Steam Electric Station (SES) nuclear power plant and discusses the results obtained during the calendar year 1990. The resulta discussed in this report were used to evaluate the radiological environmental impact resulting f rom the operation of Waterford 3 SES. The submission of this report to the Nuclear Regulatory Commission fulfills the requirements pursuant to Waterford.3 SES Technical Specification 6.9.1.7. 1.1 Program iad Report Objectives The objective of the monitoring program was to evaluate the radiological environmental impact of the plant. The evaluation included an assessment of actual exposures of humans to radioactive materials or radiation resulting from plant operation. In order to conduct thin evaluation, the data analyses and interpretations contained in this reptrt fulfilled the following specific objectives
- a. identify any radioactive materials or radiation in the environment associated with plant operation;
- b. compare the results obtained during the reporting period with past operational and preoperational data to identify any trends associated with accumulation of radioactivity in the environment;
- c. estimate thu maximum exposure to a member of the general public f rom any environmental data which indicates the presence of plant related radioactivity; and
- d. verify compliance with federal regulation requirements.
1.2 g} ant and Site Description Waterford 3 Steam Electric Station employs a pressurized water reactor for the production of approximately 1153 gross (1104 net) megawatts of electricity. The station uses a flow of water obtained from-and discharged to the Mississippi River for condenser cooling. On March 4, 1985, the unit achieved initial criticality. Waterford 3 SEs is located on the west bank of the Miosissippi River at River Mile 129.6 between Baton Rouge and New Orleans, Louisiana. The site le in the northwestern section of St. Charles Parish approximately 3 miles southeast of the St. John the Baptist Parish boundary between the towns of K111ona and Taft. The Mississippi River is the closest prominent natural feature while othere include Lac des Allemands, about 5.5 miles southwest of the site, and Lake Porchartrain, about 7 miles northeast of the site. 1 W391665.SA
. _ - _ _ ~- , -. _. _ ___
1 1 Most of thJ man-made features are located on the narrow strip of land between the Miscissippi River and the wetlands. Near the Waterford 3 SES site are several large industrial f acilities, including Waterford 1 and 2 Steam Electric Stations (0.4 miles northwest of the site), Little Gypsy Steam Electric Station (0.8 miles northeast of the site and across the river from Waterford 3 SES), Agrico, a fertiliser manufacturer (0.6 miles east southeast), occidental Chemical Company (0.8 miles east southeast), and Union Carbide, a chemical manufacturer (1.2 miles east southeast). Major urban centers in the region include New Orleans (approximately 25 miles east of the site) and Baton Rouge (appcoximately 50 miles west northwest). Communities near the site in St. Charles Parish include K111ona (0.9 mil 9s west northwest), Montz (1.0 miles north), Norco (1.9 miles east), Hahnville (3.7 miles east southeast), and Destrehan (6.3 miles east southeast). Laplace (4.7 mileo north) is located in St. John the Baptist Parish. 2.0 f"OGRAH DESCRIPTION Brief descriptions A general summary of the REMP is given in Table 2.1. The of the_ sampling stations and their locations are given in Table 2.2. locations of the sampling stations are illustrated in Figures 2.1 through 2.3. A more detailed description of the REMP is discussed in the following chapter. 2.1 History and Development The Waterford 3 SES REMP was initiated in April of 1983. ThA program evolved from the Preopezational Environmental Radiological Surveillance (PERS) program which was conducted from 1978 through 1982. The equipment, procedures, techniques, and many of the sampling locations used during the preoperational survey were incorporated into the operational program. The environmental data collected during the first two years of the REMP (1983 and 1984),._ prior to initial criticality, were used to supplement the baseline data obtained during the PERS Program. Waterford 3 personnel were responsible for implementing and insuring that the REMP complied with federal regulatory and Technical Specification requirements. Responsibilities of Waterford 3 . personnel included collecting (with the exception of fish samples), preparing, and shipping of environmental samples; conducting environmental dosimetry measurements; reviewing analytical results reports; and preparing and submitting the annual Radiological Environmental Honitoring and other relevant reports to the Nuclear Regulatory commission. 2 W391665.SA l
l f The primary contractor, the Environmental Services Department of Arkansas Power & Light (AP&L) located in Little Rock, Arkansas, was responsible for performing radiological analyses; conducting initial data reviews preparing results reports; and overoseing laboratory quality assurance and control. A separate contractor, the Fisheries Co-operative Extension Service of Louisiana State University, was responsible for the collection and delivery of fish samples to Waterford 3. 2.2- Sample collection and Handling Procedures Sample types, location, collection frequency, and the analyseu performed are summarized in Tables 2.1 and 2.2. The information contained in these tables is based on requirements specified in Table 3.12-1 of Waterford 3 SES Technical Specification 3.12.1. The locations of the sampling statione are illustrated in Figures 2.1 through 2.3 as required by Technical Specification 6.9.1.7. Any deviations (i.e., unavailable camples and missed lower limits of detection) or changes made to the REMP during 1990 are discussed in Section 3.5. The environmental camples collected were claceified into four general categories according to exposure pathwayes direct radiation, airborne, waterborne, and ingestion. The collection and handling procedures used to obtain these samples are described in the following sections. The descriptions are intended to provide a concise procedural overview rather than a step-by-step description. 2.2.1 Direct Radiation Exposure Pathway Samples Integrated external gamma exposures were determined using thermoluminescent dosimeters (TLDs). Multi-element TLDs manufactured by Panasonic were placed at thirty-one locatione as follows:
- a. an inner ring of stations, one in each of the sixteen meteorological sectors, in the general area of the site boundary)
- b. an outer ring of stations, one it, ten of the meteorological sectors, in the el:: to eight kilometer range from the ette; and
- c. the balance placed la areas of special interest (e.g. , population centers, schools, etc. ) with one area serving as a control.
The TLDs were exchanged and analyzed quarterly by Waterford 3 personnel. 3 W391665.SA
2.2.2 Airborne Exposure Pathway Samples Samples of airborne particulates and radioiodines were collected at five locations. The locations included four indicator statione (APP-1, APQ-1, APG-1, APC-1) and one control station (APE-30). The samples were collected by low-volume air sampling devices housed in weather proof shelters. The devices sample continuously while recording the volume of air sampled. Airborne particulate samples were obtained on a filter using the sampling device described above. The filters were collected weekly by Waterford 3 personnel and sont to the contract laboratory for groes beta analysis. Quarterly, the filters were composited by the contract laboratory for isotopic analysis by gamma spectroscopy. Airborne iodine sampling was done in conjunction with air particulate sampling using a charcoal cartridge to collect iodine. The cartridges were collected weekly by Waterford 3 personnel and sent to the contract laboratory for iodine-131 analysis by gamma spectroscopy. 2.2.3 Waterborne Exposure Pathway Samples Because the plant discharges into the Mississippi River, which is the major source of drinking water in the vicinity of Waterford 3, water samples taken from the Mississippi River were designated as both drinking and surface water samples. Composite drinking / surface water samples were obtained biweekly from the Mississippi River using automatic composite samplera placed at one upstream (DWP-7/SWP-7) and two downstream (DWG-2/SWG-2, DWE-5/SWE-5) locations from the plant. Hydrochloric acid was added to each sample prior to shipment to the contract laboratory. The contract laboratory analyzed the biweekly samples for iodine-131 then composited them monthly for gross beta and gamma spectroscopy analyses. The samples were then composited quarterly for tritium analysis. Due to the high water table resulting from shallow aquisere in the vicinity of the site, groundwater discharge could be sampled from a drainage canal. Groundwater samples were obtained quarterly by Waterford 3 personnel from one sampling location (GWJ-1) using a grab sampling technique. Hydrochloric acid was added to the cample prior to shipment to the contract laboratory for tritium and gamma spectroscopy analyses. I 4 W391665.SA
\
Shoreline sediment samples were obtained semi-annually by Waterford 3 personnel from one sampling station at each plant discharge point. One station (SHWE-3) was located downstream on the shoreline of the Mississippi River and the second station (SHWJ-1) on the shoreline of the 40-Arpent canal. The samples were shipped to the contract laboratory without further processing. 2.2.4 Ingestion Exposure Pathway Samples Milk samples were collected semi-monthly by Waterford 3 personnel, control samples were obtained by Louisiana Radiation Protection Division personnel from the control station (MKQ-45) located in Denham Springs, Louisiana. Indicator samples were collected locally from one station (MKQ-5). Although two additional indicator locations were identified (HKQ-1 and KKE-4), no samples were available from these locations during 1990 (see Section 3.5). Formaldehyde was added to all samples prior to shipment to the contract laboratory for iodine-131 and gamma spectroscopy analysee. Fish samples were collected by a contractor bi-annually upstream (FH-1) and downstream (FH-2) from the plant. The fish were obtained by netting. The contractor segregated the samples by species and location prior to delivery to Waterford
- 3. The samples were shipped frozen to the contract laboratory for analysis by gamma spectroscopy.
Waterford 3 SES Technical Specification 3.12.1 requires broad leaf vegetation to be campled from 3 different locations within 5 miles of the plant in the event milk samples are unavailable. Since milk samples could be collected-reliably f rom only one sampling location within five miles of Watet' ford 3 SES, broad leaf vegetation was sampled monthly at two indicator locations. Broad leaf vegetation was also collected from one control location (BLK-15). Waterford 3 personnel collected broad leaf vegetation samples monthly by obtaining cuttings taken at least one inch above the ground. The samples were shipped to the contract laboratory without further processing. Food products are not required since no areas surrounding the plant are irrigated with water in which plant wastes are discharged. Food products grown within the site boundary were collected however, to demonstrate the absence of radionuclide accumulation. 5
l These samples (sugarcane and soybeans) were collected at the time of harvest by Watorford 3 personnel f rom three locations (FPP-1, FPG-1, and FPQ-1). The samples were collected by normal harvesting techniques at the time of harvest, and were sent to the contract laboratory without further processing for iodine-131 and gamma spectroscopy analyses. 2.3 Analytical Procedures Brief synopses of the analytical procedures used by AP&L and Waterford 3 are given in Appendix E. These synopses are intended to provide an overview rather than step-by-step procedures. The minimum sensitivities for the analytical procedures used in the REMP are reflected by the Lower Limits of Detection (LLD) values presented in Table 2.3. These values are identical to the ones in Table 4.12-1 of Waterford 3 SES Technical Specification 4.12.1. The LLD's are a priori estimates based on assumed sample volumes, counting times, detector efficiencies, etc. These values reflect the lower levels of detection that were to be attained for the majority of the analyses performed. All analyses that could not achieve these lower limits of detection are discussed in Section 3.5. 2.4 Laboratory Quality Assurance During 1990 AP&L performed a variety of quality assurance analyses. Spiked and blank samples prepared in-house and obtained from the Environmental Protection Agency (EPA) were analyzed. It was estimated that between 5% and 10% of all analyses were for quality assurance purposes.
-AP&L also participated in the EPA Radiological Interlaboratory comparison (cross-check) Program.
This quality assurance program and EPA intercomparison satisfies the requirements of Waterford 3 SES Technical Specification 3.12.3 for interlaboratory comparison. Participation in this program involved a number of analyses on various sample media typically found in REMP's. As a result of participation in the program, an objective measure of analytical precision, accuracy, and an estimation of bias were obtained. In the event that any resulte obtained by AP&L were not within control limits, as specified by the EPA, an investigation was conducted to determine the cause and corrective action was taken to prevent a recurrence. Appendix D lists the 1990 results of AP&L's participation in the cross-check program. 6 W391665.SA !
TABLE 2.1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (REMP) SUMP 8ARY* ANALYSIS FREQUENCY SAMPLE TYPE LOCATION Quarterly TLD gamma A-2, B-1, C-1, D-2, E-1, Direct Radiation F-2, G-2, H-2, J-2, K-1, L-1, M-1, N-1, P-1, Q-1, R-1, A-5, B-4, D-5, E-5, F-4, G-4, H-6, P-6, Q-5, j R-6, F-9, G-9, E-15, J-15, E-30 Gross beta, I-131 Weekly Radiolodine and APP-1, APQ-1, APG-1, Quarterly composite APC-1, APE-30 gamma isotopic Particulates H-3 Quarterly composite Drinking Water" DWG-2, DWE-5, DWP-7 Monthly composite Gross beta, gamma Bi-weekly composite isotopic, I-131 H-3 Quarterly composite SWG-2, SWE-5, SWP-7 Monthly composite Surface Water" gamma isotopic Quarterly GWJ-1 gamma isotopic, H-3 Ground Water Semi-annually SHWE-3, SHWJ-l gamma isotopic Shoreline Sediment Semi-monthly / monthly MKE-4, MKQ-5, MKQ-1, MKQ-45 gamma isotopic, I-131 Milk gamma isotopic In season or FH-1, FH-2 semi-annually Fish gamma isotopic At harvest time Food Products FPG-1, FPP-1, FPQ-1 Monthly BLQ-1, BLB-1, BLK-15 gamma isotopic, I-131 When milk samples Broad Leaf not collected a. Based on requirements in Table 3.12-1 of waterford 3 SES Technical Specification 3.12.1.
- b. Drinking and surface water samples are identical. 7
.,- . - . . ~ . . - - . - - - _ - - - . . ~ _ - . . - . . . , _ - . - - -
TABLE
2.2 DESCRIPTION
OF REMP SAMPLING STATION LOCATIONS LOCATION LOCATION MILES FROM SECTOR i NUMBER. DESCRIPTION PLANT DIRECTION l l DIRECT RADIATION (TLD) A-2 .(Eastbank) On fence enclosure 1.1 N l surrounding water tower west of l Little Gypsy opposite Etienne St. _j Access =from River Road (LA 628), j The TLD's are located on the (S) l fence opposite the entrance gate to the water tower. B-1 (Eastbank) On fence enclosing the 0.8 NNE transmission tower 0.3 miles west
-(up-river)Lfrom Little Gypsy.
Access from River Road (LA 628). TLDi e are located at SW corner of
. fence enclosure. .
~
'C-1~ (Eastbank).On fence enclosing thw 0.8 NE Little Gypsy Cooling Water Intake. s
' Access is from River Road (LA 628)-
'across from Little Gypsy Steam Electric Station entrance.- TLD's
- are on the south side (inside) of i' the. cooling. Water _ Intake fence L' enclosure,--directly. opposite:the l' entrance gate.
I
.D-2m -(Eastbank); Located approximately- 1.1 ENE a0.3 miles east of Little Gypsy
-Power Station. Access from River' Road (LA 628) near the west end of:
the Bonne Carre spillway. TLD's are on the fence at the west entrance to the Spillway:(located on levee).
-i' E-1 (Westbank) Located-on utility pole 0.2 E along River. Road (LA 18) approxi-mately 0.3 miles east of Waterford '
.3 SES plant entrance. . Access from LA 18. TLD's.are on the third
. utility pole east of.the construction entrance road.
8 W391665.SA.
TABLE 2.2 (CONTINUED) LOCATION MILES FROM SECTOR LOCATION DESCRIPTION PLANT DIRECTION NUMBER F-2 (Westbank) Located on fence 1.1 ESE enclosure surrounding the LP&L substation on LA 3142. Access from LA 3142 approximately 0.2 miles south of LA 18. TLD's are on the southeast corner of the fence enclosure. G-2 (Westbank) Located on utility pole 1.2 SE on East side of LA 3142 near Witco entrance gate (Next to Union Carbide Star Plant Gate 3). Access from LA 3142 approximately 0.2 miles north of railroad overpaea. H-2 (Westbank) Located on fence 1.2 SSE enclosure to shell road off of LA 3142. Access from LA 3142 south of railroad overpass on east side of LA 3142. TLD's are on the south side of the gate for shell road. (Just south of Texaco pipeline station) J-2 (Westbank) Located on northeast 1.3 S corner of fence enclosing Texaco valve station south of IA 3127. Access from LA 3127, approximately 0.6 miles west of LA 3127/3142 intersection. 1.0 SSW K-1 (Westbank) Located behind " Private Road" sign at Gate 8 entrance off of LA 3127. Access from LA 3127, approximately 1.3 miles west of LA 3127/3142 intersection. (Gate 8 is the access to the Waterford 3 SES switchyard station) 9 W391665.SA
TABLE 2.2 (CONTINUED) LOCATION MILES FROM SECTOR LOCATION DESCRIPTION PLANT DIRECTION NUMBER 1.0 SW L-1 (Westbank) Located behind " Private Road" sign at LP&L Gate 9 entrance off of LA 3127, approximately 1.6 miles west of LA 3127/3142 inter-section. (Gate 9 is an access road for Waterford 3 SES) \ M-1 (Westbank) Located on south gate into the Waterford 1 and 2 SES 0.7 WSW fuel oil storage tank enclosure. Access is either thru LP&L Gate 8, Gate 9 off of LA 3127, the shell access road from LA 18 between Waterford 3 SES, or thru the Waterford 1 and 2 SES access road. 0.9 W N-1 (Westbank) Located behind the "No Trespassing" sign off of Short Street, in Killona, just south of the entrance to K111ona Elementary School. (Weetbank) Located off Short Street, 0.8 WNW P-1 in Killona. TLD is on fence at air-sample station APP-1. 0.8 NW Q-1 (Westbank) Located on fence enclosing air sample station approximately 0.5 miles west of Waterford 1 and 2 on River Road (LA 18). 0.5 NNW R-1 (Westbank) Located on fence enclosure for Waterford 1 and 2 Cooling Water Intake Structure. Access is from River Road (LA 18) opposite Waterford 1 and 2. TLD's are on the southwest corner of fence. I 10 W391665.SA
TABLE 2.2 (CONTINUED) MILES FROM SECTOR LOCATION LOCATION DESCRIPTION PLANT DIRECTION NUMBER N A-5 (Eastbank) Locatad on utility 4.5 pole just east of the Shady Nook Trailer Park on Hwy 61 in Laplace. TLD's are on second utility pole east of trailer park on north side of Hwy 61 (eastern end of Laplace). B-4 (Eastbank) Located on utility pole 3.8 NNE just east of shell access road to South Central Bell transmission tower on south side of Hwy 61. Transmission tower is just east of Weigh Station at St. John /St. Charles Parish line. TLD's are on the first utility pole east of access road. D-5 (Eastbank) Located on fence gate 4.2 ENE on shell access road to Big 3 Chemical Plant. Shell access road is approximately 0.1 miles west of Hwy 61/48 intersection (at black and yellow gate). TLD's are on fence gate 0.1 miles north on shell access road from Hwy 61. 4.2 E E-5 (Eastbank) Located on the Norco Substation fence enclosure. Access from River Road (LA 48) onto Wesco St. (adjacent to Norco Shell Chemical Plant), take Wesco St. to the dead end. TLD's are located on sixth fence post south of the north substation gate. (Westbank) Located on utility pole 3.5 ESE F-4 behind blonde brick house on Aquarius St. in Hahnville. Access from River Road (LA 18) and turn onto Oak St. Follow Oak St. to Hickory St., turn right on Hickory St. and follow to Aquarius St. and turn left. Blonde brick house is second house on right (west) side of Aquarius St. heading south. 11 W391665.SA
TABLE 2.2 (CONTINUED) LOCATION MILES FROM SECTOR LOCATION DESCRIPTION PLANT DIRECTION NUMBER (Westbank) Located on railroad sign 3.2 SE 0-4 northwest side of LA 3160/ railroad track intersection. Access from either LA 3127 or River Road (LA 18) onto LA 3160. (Westbank) Located on a road sign 5.7 SSE H-6 on the northwest sido of the second canal bridge east of LA 3160 along LA 3127. (Westbank) Located on utility pole 5.5 WNW P-6 at southwest corner of LA 640/ railroad track intersection. Utility pole is just west of LA 640 and east of radio transmission tower. Q-5 (Westbank) Located on fence post 5.0 NW surrounding (green) river marker on levee just east of Edgard. Fence post is located along River Road (LA-18) across from the Webre's house. R-6 '(Eastbank) Located on fence 5.3 NNW enclosing LP&L Laydown Yard on LA 3223 in Laplace. Access from Hwy 61 onto Elm St. (LA 3223), take Elm St. to the northeast corner of LA 3223/ railroad intersection. TLD's are located on the southeast corner of fence enclosure. F-9 (Eastbank) Located on entrance 8.2 ESE gate to Destrehan Substation Access from River Road (LA 48), approximately 0.3 miles east of Luling-Destrehan Ferry, onto Destrehan Road (west of Bunge Corp. Grain Elevator), and proceed to substation gate. 12 , W391665.SA
TABLE 2.2 (CONTINUED)
~
LOCATION MILES FROM SECTOR LOCATION DESCRIPTION PLANT DIRECTION HUMBER 8.1 SE G-9 (Westbank) Located on back fence of LP&L District Office in Luling. Access via Ellington St. from either River Road (LA 18); or Second or Third St. from Paul Hallard Rd. (LA 52) to Ellington St. E-15 (Eastbank) Located on Kenner 11.8 E Substation fence enclosure. Access from either River Road (LA 48) or Hwy 61, turn onto Alliance Ave. TLD's are located on the north side of the fence enclosure, near a light pole. J-15 (Westbank) Located on fence 12.0 S enclosure surrounding LP&L switchyard at LA 631/ Hwy 90 intersection in Des Allemands. TLD's are on the northwest corner of fence. Access from LA 631 via shell road. 27.0 E E-30* (Westbank) Located on fence at LP&L Ceneral Office on Delaronde St. in Algiers. TLD's are on the fence, facing the Mississippi River, in the passageway to the transformer shop. . AIRBORNE APP-1 (Westbank) Located in soybean O.8 WNW field at northwest corner of Short St. in Killona. 0.8 NW APQ-1 (Westbank) Located at northwest corner of soybean field on east side of Killena. Access from River Road (LA 18) approximately 0.6 miles east of LA 18/3141 intersection. I 13 W391665.SA
TABLE 2.2 % (CONTINUED) MILES FROM SECTOR LOCATION LOCATION DESCRIPTION PLANT DIRECTION NUMBER 0.5 SE APG-1 (Westbank) Located at the north side of the Secondary Heteorological Tower. 0.8 NE APC-1 (Ezetbank) Located inside the Littis Gypsy Cooling Water Intake Structs.re fence enclosure. APE-30* (Westbank) Located on the roof of 27.0 E the LP&L General Office building on Delaronde St. in Algiers. WATERBORNE 2.0 ESE DWO-2 (Westbank) Located at the Union SWG-2 Carbide drinking water canal. Access from LA 3142 through Gate 28. 4.5 E DWE-5 (Eastbank) Located at the SWE-5 St. Charles Parish Waterworks-off of River Road (LA 48) near New Sarpy. 6.5 WNW DWP-7* (Westbank) Located at the St. SWP-7* John Parish Waterworks off of LA 18 in Edgard. 3.0 E SHWE-3 (Westbank) Located at the Foot Ferry Landing off of LA 18 in Taft. SHWJ-1 (Westbank) Located at the 40 Arpent 1.0 S Canal south of the Plant. Access f rom LA 3127 through Gate 8. S GWJ-l (Westbank) Located at 40 Arpent 0.3 Canal south of the plant. Access from LA 3127 through LP&L Gate 8. The canal is northwest of the shell access road /rallroad track intersection. 14 W391665.SA
TABLE 2.2 (CONTINUED) MILES FROM SECTOR LOCATION LOCATION PLANT DIRECTION NUMBER DESCRIPTION
-INGESTION MILK E 4.0 MKE-4 (Westbank) Located 0.8 miles went of the Time Saver in Hahnville off of River Road.
1.0 NW KKQ-1 (Westbank) 1.0 miles west of Waterford 3 SES at the corner of River Road and Post Street in Killona. (Westbank) Located at the Webre's 4.9 NW KKQ-5 house, just across LA 18 from river marker, at the eastern end of Edgard. 42 NW MKQ-45* (Eastbank) Located off of I-12 in Denham Springs, take LA 3002 south to LA 1034, then right to LA 1032, then left. Farm is 1 mile on the right. PISH Upstream of the plant intake NA** NA** FH-1* structure. Downstream of the plant intake NA** NA** FH-2 structure. BFOAD LEAF 0.8 NW BLQ-1 (Westbank) Located between LA 18 and soybean field on eastern edge of Killona, near air sample station APQ-1. 0.8 NNE BLB-1 (Eastbank) Located at wooded area at the southwestern corner of the LP&L Little Gypsy plant along River Road. BLK-15* 15 SsW (Westbank) Located 3.5 miles SSW of Des Allemands on Hwy 90. l 1E W391665.SA
TABLE 2.2 (CONTINUED) LOCATION MILES FROM SECTOR LOCATION HUMBER- DESCRIPTION PLANT DIRECTION FOOD PRODUCTS *** (Westbank) Located in sugarcane 0.8 WNW FPP-1 field on eastern edge of Killona, between air sample station APP-1 and APQ-1. FPG-1 (Westbank) Located in a sugarcane 0.3 SSE field adjacent to the plant near the meteorological towers. FPQ-1 (Westbank) Located in a sugarcane 0.7 WSW field off LA 3127.
- DENOTES CONTROL LOCATION
** NA - NOT APPLICABLE *** Food products are not required since no areas surrounding the plant are irrigated with water into which plant wastes are discharged. Food products grown within the site boundary were collected however, in order to demonstrate the absence of man-made radionuclides.
16 l W391665.SA
TABLE 2.3 DETECTION CAPABILITIES FOR ENVIRONMENTAL SAMPLE ANALYSIS LOWER LIMIT OF DETECTION (LLD)'"* FOOD PRODUCTS **' SEDIMENT FISH MILK WATER AIRBORNE PARTICULATE (pC1/kg-wet) (pCi/kg-dry) (pCi/1) (pCi/1) OR GAS (pCi/m') (pCi/kg-wet) ANALYSIS 4 0.01 gross teta H-3 2000 130 Mn-54 15 260 Fe-59 30 130 Co-58, 60 15 260 i Zn-65 30 Zr-Nb-95 15 1 60 1 0.07 I-131 60 150 130 15 15 0.05 Cs-134 80 180 l 150 18 18 0.06 Cs-137 l 15 Ba-La-3+J 15
- a. From Table 4.12-1 of Watcrford 3 SES Technical Specification 3.12.1.
- b. Applicable to broad leaf vegetation. 17
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3.0 DISCUSSION OF RESULTS Analytical results for the year 1990 are discussed in this section by ' exposure pathway, type of sample, and analysis performed. The analytical results of the REMP are summarized in Appendix A, and data for the individual analyses are presented in the tables of Appendix B. All of the results discussed in this section and summarized in the appendices of this report focus on man-made radioactivity. 3.1 Direct Radiation Exposure Pathway The average dose rates measured at all stations by both control and indicator Thermoluminacent Dosimeters (TLDs) were 12, 12, 14, and 12 mrem per standard quarter (90 days) for the first, second, third, and fourth quarters of 1990, respectively. The average of 119 indicator location TLD exposures was 13 mrem / standard quarter compared to 11 mrom/ standard quarter for the average of four exposures at the control location. The lowest and highest individual exposures were 7 mrem / standard quarter (C-1, 2nd quarter) and 18 mrem / standard quarter (D-2, 3rd quarter) for all locations. Table 3.1 compares the TLD results by direction and distance from the facility. Of the 16 indicator sectors, Sector A demonstrated the highest average of 14 mrem / standard quarter. The average exposure rate from TLD's located within two miles from the plant was statistically lower than the average exposure from stations located more than five miles from the plant using the standard "t" test (see Table F-1, Appendix F). The average exposure rate from TLD's located between two and five miles from the plant was statistically the same as the average exposure rate from stations located greater than five miles of the plant. Therefore, Waterford 3 SES operation did not have a detectable impact on direct radiation expecures from gamma radiation. 3.2 Airborne Exposure Pathway 3.2.1 Airborne Particulates Grose beta activity ranged from 0.005 pC1/ cubic meter (APQ-1, 7/16-7/23 and APP-1 5/7-5/14) to 0.030 pC1/ cubic meter (APE-30, 9/17-9/24) with an average of 0.016 pCL/ cubic meter, for 264 measurements from all five sampling locations. The average groes beta activity for the control location, APE-30, was 0.016 pCi/ cubic meter compared to 0.015 pCi/ cubic meter for the four indicator locations (APP-1, APQ-1, APG-1, APC-1). The control station average le statistically the same as the average from the APC-1, APG-1, and A?P-1 indicator stations and 10 statistically higher than indicator station APQ-1 (see Appendix F) using the standard statistical "t" test . 21 W391665.SA
The gross beta activity results obtained during 1990 are consistent with those from 1989, 1988, 1987, 1986, 1985 and the preoperational program. During the preoperational survey, in periods not significantly influenced by nuclear weapone detonations, the grose beta activity ranged between 0.02 and 0.04 pCi/ cubic meter. During the first two years of the REMP prior to Waterford 3 SES operation, the average gross beta activity for all stations was 0.021 pC1/ cubic meter with a range of 0.006 to 0.5 pCi/ cubic meter. From 1985-1989, the average gross beta activity for the control location was 0.020 pC1/ cubic meter compared to 0.019 pCi/ cubic meter for the four indicator locations. 3.2.2 Airborne Iodine All of the 264 airborne iodine-131 results were below the required lower limit of detection (LLD). Sample LLDs ranged from 0.008 to 0.040 pci/ cubic meter (Table B-2). The variability of the lower limit of detection was due primarily to the difference in air sample volumes. 3.2.3 Gamma Isotopic Analyste Gamma spectroscopy results indicated detectable levels of cosmogenically produced beryllium-7 and naturally occurring potasium-40 in the twenty quarterly composites (Table B-3). No man-made radionuclidae were detected above their respective lower limits of detection. 3.3 Waterborne Exposure Pathway 3.3.1 Drinking / Surface Water As mentioned previously, drinking water is the same as surface water. Therefore, monthly and quarterly gamma spectral analyses of drinking water and quarterly tritium analyses also eatisfy the surface water sampling requirement. Seventy-eight composite drinking / surface water samples were analyzed by a radiochemical procedure for iodine-131 (Table B-4). No activity was detected at the control station, and all measurements natisfied the LLD requirement. Iodine 131 was detected in one sample (1/2-1/15) from an indicator location (DWE-5) at a concentration of 0.5 1 0.4 pC1/1. Iodine-131 was detected in several preoperational samples at an average concentration of 0.4 pCi/1. The level detected in the 1990 sample le well below reporting levels and the LLD required by Technical Specification Table 4.12-1, and has a high degree of uncertainty associated with it. Therefore, the radiological impact to the environment, in this instance, ja insignificant. 22 W391665.SA
The monthly composites were analyzed for gross beta activity. Cross beta activity was detected in thirty-three of the forty-two composites with an average activity of 3.9 pCi/1. The average activity for the control location was 4.1 pCi/1, compared to the averages of 4.0 and 3.6 pC1/1 for indicator stations DWO-2 and DWE-5, respectively. The l average gross beta activity detected at the indicator stations are statistically the same as that of the control station using the standred "t" test (see Table F-3, Appendix l F). l Drinking / surf ace water samples were also composited f quarterly and analyzed for tritium. Eleven of the twelve measurements were below the respective LLD. Tritium was detected in the second quarter of 1990 at a concentration of 330 2 220 pCL/1 at DWE-5, an indicator station. Tritium is man-made and cosmogenically produced and was frequently detected in preoperational drinking water samples at concentrations ranging between 60 and 220 pCi/1. Although the level detected in the 1990 sample is slightly higher than the preoperational data, it is well below the reporting level and the LLD (2000 pCi/1) required by Technical Specifications. Because tritium was detected in only one sample from this location and was not found in the other indicator location (DWG-2) which is closer to the plant, it is not likely that waterford 3 operations were responsible for the tritium detected in this sample. 3.3.2 croundwater Four groundwater samples were collected from one sampling location, GWJ-1, and analyzed for tritium and gamma emitters. Gamma emitters were not detected; however, tritium war detected in two of the four samples at concentrations of 650 2 220 and 570 2 220 pCL/1. Tritium is man-made and cosmogenically produced and was frequently detected in preoperational ground water samples at concentrations ranging between 50 snd 180 pC1/1. Although the concentrations detected in 1990 are higher than the preoperational data, they are well below the reporting levels and LLD (2000 pCL/1) required by Technical H Specifications. In addition, radioactive effluent release permits for 1990 show that no tritium was discharged into the drainage canal at GWJ-1, indicating that it is not l likely that the tritium detected at this location is a result of Waterford 3 operations. 3.3.3 Shoreline Sediment Four shoreline soil samples were collected from the following sampling locations: two samples from the Mississippi River shoreline downriver of the plant (SHWE-3) and two samples from the shoreline of a drainage canal (SHWJ-1). 23 W391665.SA
l Naturally occurring radionuclides including potassium-40, radium-226, and actinium-228 were detected in all of the samples. Cesium-137, a man-made nuclide was detected in the sample from station SHWJ-1 at a concentration of 66 2 17 pC1/kg(dry). No other man-made radionuclides were detected in any of the samples. During the preoperatlonal survey for soil samples collected from the shoreline of the Mississippi River, cesium-137 was detected in 13 of 18 soil samples at concentrations ranging between 30 and B90 pC1/kg(dry) with an average concentration of 138 pci/kg(dry). In 1985, 1986, 1987, 1988, and 1989 cesium-137 was detected at this location at levels of 99, 65, 21, 142, and 28 pCL/kg (dry), respectively. These levels are consistent with preoperational values. In addition, radioactive release permits for the year 1990 show that no cesium-137 was discharged into the drainsgo canal from which SHWJ-1 came. Studies in Louisiana indicate that cesium-137 is commonly found in soils and sediments as a result of past atmospheric weapons testing. Because the cesium-137 levels are consistent with preoperational values and cesium-137 has been shown to be present in most Louisiana soils, these cesium-137 levels are likely attributable to past weapon testing fallout. 3.4 Ingestion Exposure Pathway 3.4.1 Milk Forty-eight milk samples were collected from two sampling locations and analyzed by gamma spectroscopy. Naturally occurring potassium-40 was detected in all samples. The samples were also analyzed by a radiochemical procedure for iodine-131. Iodine-131 was detected in one sample (10/16) from an indicator location (HKO-5) at a concentration of 0.3 2 0.3 pCL/1. Iodine-131 was found in several preoperational samples at an average concentration of 0.9 pCL/1. The level detected in the 1990 sample is well below the LLD required by Technical Specification Table 4.12-1, is in the same range as preoperational samples, and has a high degree of uncertainty associated with it. Therefore, iodine is not attributable to Waterford operation, and the impact to the environment is negligible. 3.4.2 Fish Twenty fish samples, ten upstream and ten downstream of the plant were collected and the edible portions analyzed by gamma spectroscopy. Only naturally occurring potassium-40 was detected above the lower limits of detection in any samples. 24 W391665.SA
3.4.3 Broad Leaf vegetation Thirty-six broad leaf vegetation samples were collected and analyzed by a radiochemical procedure for iodine-131. All measurements were below the lower limits of detection. The samples were also analyzed by gamma spectroscopy. Naturally occurring radionuclides were detected in all of the samples; however, no man-made radionuclides were detected above their lower limits of detection. 3.4.4 Food Products Three food products samples were collected and analyzed by a radiochemical procedure for iodine-131. Iodine-131 concentrations were below the lower limit of detection. The samples were also analyzed by gamma spectroscopy. Naturally occurring potassium-40 was the only radionuclide detected in all the samples. All man-made gamma emitters were below their respective lower limits of detection. 3.5 Deviation from the REMP 3.5.1 Unavailable Samples During 1990 several deviations from the REMP campling schedule occurred. Deviations from the REMP associated with TLDs were beyond the control of Waterford 3 and resulted from theft of the dosimeters. When a dosimeter was discovered missing during a monthly inspection, the TLD was replaced and the deviation noted. One air sample was missed in the second quarter of 1990 because of a malfunctioning sample pump. Upon discovery, the faulty instrument was replaced and returned for repair. This malfunction resulted in an insufficient sample volume for analysis. A routine maintenance schedule has been implemented to reduce instances of sampler malfunction. Milk samples were not available during 1990 from the animal owners at station MKQ-1 since the cows at MKE-1 are currently not producing milk for human consumption. The goats previously located at MKQ-4 have been sold and this sample location will be removed from the ODCM in the next revision. With the absence of milk samples at these stations, broad leaf vegetation sampling was performed. A listing of unavailable samples for 1990 and associated explanations is given in Appendix C. 25 W391665.SA
3.5.2 Missed Lower Limits of Detection All lower limit of detection requirements were met for 1990. 3.5.3 Changes to the REMP Additional food product camples were added to the REMP although these were not required. See Section 2.2.4 for explanation. 3.5.4 Additional Samples Although not required, additional food product samples were taken at a temporary nample location (FPL-1, approximately 0.5 miles SW of the plant). The crop at this location was changed from sugarcane to soybean and camples were taken to demonstrate the absence of man-made radionuclides. No man-made radionuclideo were detected above their lower limit of detection. 3.6 Annual Land Use Census Results In compliance with Waterford 3 SES Technical Specification 4.12.2, the annual land use census was conducted on August 15, 16, and 17, 1990. The nearest residence, garden, and milking animal; in each sector within a five mile radius of the plant, were found by visual inspection and verbal inquiry. The results of the 1990 census are given in Table 3.2. Residence locations were unchanged except for Sector E. A residence p eviously identified as closest to the plant was removed. The difference in distance to the next closest residence in insignificant. The garden locations remain unchanged from the 1989 census. Milk goats in Sector D are not producing milk for human consumption. The owner of the animale at station HKQ-1 etated that the cowe wore not producing milk for human consumption. The milking goats at location HKE-4 have been sold and will be deleted from the next revision of the ODCM. Although no samples were available from HKQ-1 during 1990, the station will remain as part of the REMP and owners will be contacted periodically to determine the status of obtaining samples. 26 ! W391665.SA
I TABLE 3.1 1990 DIRECT RADIATION DATA ORGANIZED BY COMPASS DIRECTION AND DISTANCE FROM WATERFORD 3 SES t i BY COMPASS DIRECTION y
-SECTOR COMPASS AVERAGE STANDARD NUMBER DIRECTION ' DOSE RATE DEVIATION IN-(mrom/std qtr) (mrom/std qtr) GROUP-A -N 14 1.4 d-B NNE 13 1.1 8 C NE 8 0.8 4 D ENE 12; 2.9 8-
'E(a)
E 13 1.9 12
-F .ESE. 13 1.5 12 G SE 13 2.0 12 H SSE 13 1.7- 8 LJ S 13 1.1 8' K SSW 11 1.0 4 ,
L- SW- 12 0.8 4-M WSW 12- 1.5 4 1
-F W -13 1.5 4 P. WNW 12 3.0 8 --
NW 13 -2.2 8=
-Q R- NNW 12 2.1 8 --
~
' CONTROL E 11' 1.5 4
_-t-BY DISTANCE FROM PLANT DISTANCE ~ AVERAGE. STANDARD -NUMBER-
-FROM PLANT- -DOSE RATE DEVIATION- IN -
y.- (MILES) (mrem /std qtr)- (mrem /std qtr) GROUP-
-O--2~ :12 2.3 . 64 0 '2 - 5 13 1.5 28 O 5 ( a ) -- 13- 1.5 '28' CONTROL 11 1.5 4 --
i
- a. Does not include control station data.
1 27
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W391665.SA
T 4
.- i t
TABLE 3.2
?
1990 ANNUAL LAND USE CENSUS RESULTS i SECTOR DIRECTION- DISTANCE FROM PLANT (MILES) _. j O -BEEF MILK MILK FOOD
- COW COW 00AT- GARDEN RESIDENCE PRODUCTS A N 3.5- - -
1.0 0.9 4.1 t B NNE- - - - 1.3 1.3 - 0.9 - C- NE l,3 - -- 0.9 D ENE - - l '. 0" 0.9 0.9 - r E- E 2.7 - - 2 .~ 2 '~ '2. 2 0.3
,F ESE' 3.5- - - 2.2 3.1 0.3 G' SE 4.0 - -
2.3 ~ 4.0 0.3 H SSE' - - - - - 0.~ 3 I J S. -- - - - -
=0.7 ;
K SSW - . -. - - 0.5^ ' L SW - - - - - 0.5 (H WSW- - 1.0 - 1.5 - 0i7 r 3 cv N- W- - -- . 1.1 l'. 0 0. *1 4
~
'P- .WNW: 0.9. - -
-0.9 0.94 0.6?
t- Q NW- 0.9: 4'.9*** - ;0.9' ,0.9 0.6 1 !' R- NNW 2.3 - - 3.0 3.01 2.6
-? None found.in sector within'five mile.-radius-of-the plant. ,
li ~ a . Samples are being taken at-4.9 miles (MKE-5) for the Waterford 3'REMP.:
.'b. Cows at Location MKQ-liare currently not producing milk:for human
=- ;
m.; consumption. .- -The owner will be contacted on a periodic basis to determine
-if milk will be used-for human consumption and the availability of, samples'.
Lc- Goats located 1.0-miles ENE of the plant in Sector-D are currently not
-producing milkifor human consumption. The owner willLbe contacted on a periodic basis to determine if milk will be used for human consumption and the availability of samples.
l 28 i W391665.SA
l
4.0 CONCLUSION
S The radiological environmental data collected during 1990 are consistent with the data obtained during the prior five years of plant operation (1985-09), the Preoperational Environmental Radiological Survalliance (PERS) Program, and the first two years of the REMP prior to Waterford 3 SES initial criticality (1983-84). The only man-made radionuclides detected in the environmental camples analyzed during 1990 were iodine-131, cesium-137, and tritium. Iodine-131 was detected in one drinking water sample in January and one milk sample in october of 1990. The activity detected in both instances was at levels less than the required Technical Specification's lower limit of detection and well below levels requiring notification. Both levels had a high degree of uncertas,ty associated with them and may be artif acts of counting statistics. Cesium-137 was detected in one shoreline soil sample. The detected activity in both instances was at levels less than the required Technical Specification's lower limits of detection and well below levels requiring notification. The detected concentrations were consistent with levels detected during the preoperational program. Therefore, it is unlikely that the presence of centum in these samples can be attributed to Waterford 3 operations, Tritium was detected in one drinking / surface water and two groundwater samples at levels well below the reporting levels and LLDs required by Technical Specifications. Tricium is man-made and cosmogenically produced and was frequently detected in samples taken prior to Waterford 3 operation. Due to the absence of tritium in drinking / surface water samples located at a closer downstream location, the presence of tritium in preoperational samples, and the high degree of u* certainty associated with the detected levels, it is not likely that the tritium detected in the drinking water sample in 1990 was a result of 91 ant operation. The radioactive effluent release data indication that no tritium was discharged into the drainage canal and the presence of tritium in preoperational samples indicates that it is unlikely that Waterford 3 operations were responsible for the presence of tritium in groundwater samples. In conclusion, based on the evaluation of the REMP datd collected during 1990 the operation of Waterford 3 SES had no significant radiological impact on the environment. 29 l W391665.SA
. - . .- . . . . . - - - . . _ _ . _ . _ - . . - ~ - _ _ . - . . _
l 1 l l APPENDIX A REMP DATA
SUMMARY
i l l 30 W393665.$A-
a I I I s . r ) -. i (, TABLE A-1 [ RADIOEDGIchL Ser71RONpWWTAL MONITC*2WC PfuuGRAM St29tkRY Mame of Facility unterford 3 SES nochet No. 4 50-382 l i Jassaary 1 to Imcations of Facility St. Charloo, touteiaca ; Reporting Period December 31, 1990 i (Parish, State) MEDIt90 OR PATMMRY " 1YSIS AND IDutR LIMIT ALL IgpOICATOR IDCRTICES [
- SAMPI.ED LOCATION wans WIGREST Af5WURL DEAN COIrTROL EDCATION PUMBER Otr TOTAL IfDMBER ,OF ISAgt" [
9AME MEk# WBAIB* (UNIT OF MEASUREMEEIT) OF Aft 4 LYSES DETECTIOtt" IBONDOUTISIE I (RAssGE)* DISTAfBCE AIOD SIDECTICII (RAfBGE}* PERFOOWED (LI.D) ( ftAdIG2)* REpostTED I MEASUREME9fTS ! I t
- 1. Direct Radiation TID .
124 (c) 13(119/119) C-2 15(8/8) 2-30 I (aree/Std. Otr.). (7-18) 1.2 milee SE 0 ,l 4 (13-17) 11(4/4) ' P-6' 5.5 Milee asper (10-13) j
- 2. Airborne Croce 264 10 !
'Particulateo' 15(211/211) APG-1 15(53/53) Art-M O Beta !
., (10'"pci/m*) (5-28) 0.5 milee SE (7-26) 16(53/53) #
(7-30) Camma 20 i (d)' <LI.D (0/16) SEA NA APE-30 0 f t-)
<t1D (0/4) i .
(-) ,
- 3. . Airborne Iodine 1-131 -264 70 <LLD (0/211) BA -
.t (10-*pci/m'). NA APE-30 i
0 (-) <11D (0/53) L i ! (-) NOTE: Footnotes at end of table. - < I - 31 !
.m_ _ _
. _ - _ . _. . - ~, _. . _
c i TABLE A-1 (Cont.) RADIOt.DGICAL EsfWIDOESENTAL 940IIITORISBG FROGRAM S9tEP81T meme of Facility 15eterford 3 SES Docket 300. 50-382 1 January I to. ' Im ation of Facility St. Charles, Immisiana Deporting Period December 31, 1990 (Parish, State) l ALL I'IIDICAlt)lt LOCATIOSS IDCATICIB WITW MICIEEST AfguBUAL GE=N COIIT90L IDCATIOst IEUMBER OF NED1tst Ost FATIEttAY ASIALYSIS ABID 1 defer LIMIT i OF tRAW" 3BitfE vsagE* 3 mass" IsOfum0UTIlst SAMPLED TOTAL IIUIEBRft DETECTIOur" SISTA6 AaID DIRBCTICII (RAleGE)* (9AdeGE)* ItEPotrTED
- (UNIT.0F MEASUlt3NettT) OF AIBALYSES (EthisGE)*
IEASUDEMERITS PERFOUWSD (LLD)' ! 0 ! 4. Drinking water Croce 42 4' 4(21/28) DesG-2 4(12/14) DesP-7 (pCL/1) (2-8) 2.0 milee ESE (3-8) 4(11/14)
- j. sota (3-7)
I-131 78 1 0.5 (1/52) Dest-5 0.5(1/52) DesP-7 0 $ (-) 4.5 milee E (-! <LLD(0/26) (-)
< LID (0/26) 3A tea DerP-7 0
! Casmaa 39 (d) (.) < tin (0/13) 4 (-) 12 '2000 330(1/8) Dest-5 lea DesP-7 0 4 Trititse (-) 4.5 miles E < lim (0/4) (-) isoIEr rootnotes at end of tante. I 32
~ - _ . - -. .-_--_ - _ ____. -__._______ -
1 -] 7 t i l j TABLE A-1 (cont.) ] StADIOLDGICAL ENVIRONMENTAL HOEf1TO8tIIBG PROGIUWI SUfethRY l Blame of Facility ' teaterford 3 SES Docket too. 50-382 January 1 to tocation of Facility St. Charlee,' toutelane stoporting Period December 31, 1990 (Parish, State). k 4 i IACRTIOpf WITN WIGIOEST AsseUAL MEAN u mi d EDCATION w __ _su fX AEIALYSIS AWP IDIIEft LIMIT AZ.L INDICATOpt IOCATIONS i . MEDIUM Oft PATimeAY M popftOUTiteE TUTAL SfUHWEN OP ISA8E' 18fes ISAsE' l SAMPLED pf705tTED OF AftALYSES DETECTION * (RASIGE)* DISTAleCE AIED DIstECTION (RAfBGE)* (1UtssGE)* i (UNIT OF MEASUREMENT) DEASUREMENTS i PERPOfWEED (LLD) 42 4 4(21/28) sesG-2 4(12/141 sur-7 0 ! 5. Surface water Groes i (pci/1) seta (2-8) 2.0 milee RSE (3-8) 4(11/14) (3-7) I-131- 78 1 'O.5(1/52) .G -5 0.5(1/52) SesP-7 O (-) 4.5 mitee E (-) <11D (0/24) I (-) NA S88P-7 O Gammen 39 (d) <I.ID (0/26) IBA i (-) ' < LED (0/13) (-l f sesE-5 ssA sesr 7 O l Tritium 12 2000 '330(1/s) l (-) 4.3 mitee E <1.1D (0/4) (-) J 3BOTE: Footnotes at end of table. 33
~ , - - . . , - -- - .,
4 j.. - t b I t i e ) ! i !, i i 1 i TABLE A-1 (Conts) , i ! RADIOEDGICAL EIrVIM)seENTAL teDWITO9tIIBG P90 CRAM SUPMhltY : Name of Facility IBnterford 3 SES Docket No. 50-382 l January 1 to i Incation of, Facility - St." Charles, Iouloiene poporting Period December 31, 1990 ,
- l. ;
(Parish, State) J t ALL INDICATOR 1DCATIONS IDCATION trITN WIG 8EEST A8MBUAL usimii Cont 90L EDCATIOst leUMeER OF j MEDIUM OR PATHIERY AIBALYSIS AND - IDesER LIMIT SAMPLED TUTAL 85 UMBER OF BEDN* IIRME DEAN
- SEAft* DONUT 00TIIIff S
, I OF AllALYSIS DETECTION * . ' (ItAABGE)* DISTASICE AIID DIItECTIOst (RAfBGE)* (RAIBGE)* REPORTED (UNIT OF 9EASUstBIENT) SEASUREMEleTS (I1D) PERPOUWED t I I i gooset O
- 6. Groundwater Camme 4 (d) <LLD (0/4) Ich ash y (pCi/1) (-)
Tritiuse 4 2000 610(2/4) CesJ-1 610(2/4) Is0NE O !- (570-650) I (570-650) i l-7 Shoreline Casama 4 Sediment co-137 180 . 66(1/4) SsittJ-1 66(1/2) 11088E O [ (pcl/kg-dry) (-) 1.0 milee S (-) ! i. ': l L b' l 4- ; IBOTEr . Footnotes at end of . table. , t i' 34 i 4
,w..- g y- .-.
~y - ,c . - , . . - . ,
t i ( f TABLE A-1 (Cont.) t RADIOEAGICAL ENTIMOsWENTAL MONITostING FiROGRNt SUseekstY l
'Name of Facility seaterford 3 SES Docket seo. W 382 l January 1 to [
A Location of Facility St. Charlee, Loulaiana Reporting Period Decencer 31, 1990 (Parish, State) '[ AseALYsts AseD , IAER Lint? alt. IssDrcAtost tocArrows . LocATrose wrTu wicntsT rmi eutAs cosernor, tocArross seuMoER OF MEDItm on PATuuAr TOTAL IeUMoER OF M WRat MEAC M secesst0UT1 set f SAMPLED DISTAsscE Als0 DIRECTIOst (RAREGE)* (RAIBGE)* PEPoltTED -{ (UNIT OF MEASUREMENT) . OF AlsALYSES - DETECTION * (RAIBGE)* MEASUPEI4EWTS ; Fih__ _y (LLD) 0.3(1/24) seto-45 0
'8. Milk I-131 48 1 0.3 (1/24) seto-5 (pci/1) (-) 4.9 miles nues (-) <11D (1/243
(-) Gaaune 48 setQ-45 3(1/243 setQ-45 0 Co-137 18 ' <11D (0/24) (-) 42 milee seer (-) (1/24) (-)
<1.ID (0/10)- NA sh FN-1 O 9.. Fish Cammma 20 (d)
(pet /29 % ) (-) <ttD (o/10) (-) NOTE: Footnotes at end of table.
' 35 '
_ _ _:: . ._..____.._.______...___.-_1.. _ _ . _ _ _ :.__ . . . _ _ __ % . _ _ . __. . _ . _ . _ _
t i i i l ! i
?
s P I l 4 TABLE A-1 (Cont.) , RADIOIDGICAI. ENVIROWBENTAL MONITOItING FROCDAM SNT name of Facility teaterford 3 SBS Docket No. 50-382 Jessuary 1 to , I.mcation of Facility St. Charles, Ienststana poporting Period Deoseber 31, 1990 (Parish, State) C ] ! ALL INDICATOR IDCATIONS IDCATION WITH WIGBIEST ASINUAL 8EAN CONTROL IDCATICIE w_- __m OF MEDIUM Oft PATHWAY ASIALYSIS AIED IDutR LIMIT
' OF TEASE
- IISWE MEAN* MEAIE* IECIIROUTIIIE l l SAMPLED TUfAL EBUMBER +
DISTA3BCE AIED DI3tECTIOlt (Pha8CE)* (RABIGE)* DEPOftTED l (UNIT OF DSASUREMENT) OF AIEALYSES DETECTIOSE* (9thf0GE)* teEA,v.._ _ . . FEstPOgeWD (LTA)
- 10. Broad Imaf I-131 36 60 <LLD (0/24) NA NA BLE-15 0 ,
vegetation -(-) <1.ID (0/12) ' { pC1/kgM) (-) r t-ca- 36 <1.LD (0/24) un IsA BLE-15 0
... (d) ~
(-) <LLD (0/12) ; (-)
<I.23 (0/3) NA NA 300185 0 '
- 11. Food /carden crop' Gaassa 4 (d) ,
(pci/kg w ) (-) i s i i j ECTE: Footnotes at end of table. L 36
4 .: i L l. TABLE A-1 (Cont.)' 4 RADIOLOGICAL ENVIRONME3tTAL MOEtITORING PROGRAM SUDEULRY. p F. FOOTNOTES l-1'
- Nominal Iower Limit of Detection (LLD) as defined in Waterford 3 SES Technical Specifications.
% an and range based upon detectable measurements only. Traction of detectable measurements
- at specified locations is-indicated in parenthesis. i t !- " Lower Limit cf Detection (LLD) not defined in Waterford 3 SES Technical Specifications.
" Lower Limit _of Detection (LLD) for individual radionuclides using g - specta m vpy are I given in Waterford 3 SES Technical Specifications.
j .. i I 3' s i e z-i i d i 5-37~ 1 m.__ , . . , _ . . . _ . _ _ _ _ _ . _ _ _ _ _ _ _ _ _i
1 APPENDIX B REMP DATA l P-38 W391665.SA
. . . _ , , - - - - - , . _ , . _ - - - - _ _ = - . , , - - ,
. . _ - . _ . _ . _ _ . _ . _ .__.-___...-.-_.m._ .
l 1 TABLE B-1 QUARTERLY TLD DOSE RATES 3RD QUARTER 4TH QUARTER AVERAGE LOCATION IST QUARTER- 2ND QUARTER (07/06-10/05) (10/05-01/04) Doss RATE (01/12-04/06) (74/06-07/06)_ DOSE RATE DOSE RATE DOSE RATE DOSE RATE (mrom/std qtr) (mrom/std qtr) (mrom/std qtr)- (mrom std qtr) (mrom/std qtr) 14 16 14 14 A-2 13 12 15 13 13 A-5 12 ' 1% 13 ~13 8-1 12- 12 13 14 13 13 B-4 12 07 09 08 08 C-1 08 11* 18 09 12 D-2 09 13 11 12 D 11- 11
-10 10 12 10 11 E-1 13- 15 13 13 E-5 12 13 16 13 14 E-15 13 10 12 10 11 E-30 13 13 11 12
- F-2 11 12 ,
13 15 14 14 F-4 13 12 15 12 13 F-9 12 2 14 15 -17 15 15-G-4 -11 11 12 11** 11 . 16 13 14 . G 13- 13 ' 13* 16 13 14 H-2 12 11 14 12 12 1 H-6 11 15 12 13-
-J-2 12 12 13 12 12-J-15 12 12 11 12' 10 11 >
K-1' 10
.13 12 12 tL-1
'11 12 11- 14' 11 12 H-1 11 N-1' ~ 12 ' 12 15 12 13
- 09 09 11' 09. 10
'P-1
'13 14 17 14 15 P-6'_
11 10- 12 11 11- 3 Q _1 13 13 17 14 14" : Q R '10 10' 11 10- 10-
-14 15 14- 14 R-6' 13 Average 12 12 14 12
* - One TLD in package damaged - See Table C-5
** - TLD stolen, replaced - See Table C-5
-39. ;-
-- J W391665.SA
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TABLE B-2 (continued).
" AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES GROSS BETA AND IODINE-131 ANALYSES SAMPLE LOCATION: APC-1 UNITS: PCi/ CUBIC NETER 4
tab pm. Smyte Sete dos Date A _ MM 2-131 i' 902000 11/26/98 12/04/90 0.015 +/ 4 .902
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TSBLE D-2 (continued) AIR PARTICULATE FILTERS AND CEARCORL CARTRIDGES i GROSS BETA AND IODINE-131 ANALYSES SAMPLE LOCATION: APQ UNITS: pCi/ CUBIC METER l r 5 ' l Lab so. 3sgia sete 3d sete Gress-esta I-131 i i s.M9+/-a.es2 < e.s13 9s20se 11/26/9e 12/ M/9e e.s21 +f4.M3 ( e.s21 9s213e 12/M/9e 12/le/9e e.sts+/-a.es2 < e.825
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1 TABLE B-2 (continued) AIR PARTICULATE FILTERS AND CHARCCAL CARTRIDGES GROSS BETA AND IODINE-131 ANALYSES UNITS: pCi/ CUBIC NETER SAMPLE LOCATION: APP-1 24* so. seein e t. m.e e.t. e- -122 22roer,3 e.ets .r-0.oc2 < e.sts sozoes sitzs/ ,o seats , raresivo stserse o.ets .r-o.cos < e.ezs 22/1o/9e m2/27too e.ees .p-0.es2 < e. 2s
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T& BIS ' B-2 (continued) . AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES GROSS BETA AND IODINE-131 ANALYSES
. SAMPLE LOCATION: APE-30 UNIT 8: PCi/ CUBIC METER ,
Emb 9e. Begin Date See Dete Gramo-Dela 2-131 902091 13f26/90 12/04/90 0.029 */-8.602 < 0.012 f 902141 12/94/90 12/10/90 0.924 */-0.003 < 0.921 902177 12/19/90 12/17/90 9.017 e/-4.902 4 9.92S 902291 12/17/90 12/24/90 0.010 +/-G.002 < 0 018 2 919912 12/24/90 22/21/90- 9.915 */-e.002 < 9.912 i i i i' l.. i l : 54 i F t - _.
TABLE B-3 AIR PARTICULATE FILTERS GAMMA ISOTOPIC ANALYSIS ON QUARTERLY COMPOSITES UNITS: pCi/CUSIC METER SAMPLE LOCATION: ALL AIR SAMPLE SITES Cs-134 Cs-137 Iocatice I,ab No. Begin Date End Date
< 0.0015 < 0.0013 AK-1 900584 12/26/89 03/26/90
< 0.0016 < 0.0012 AK-1 901193 03/26/90 06/25/90
< 0.0009 < 0.0007 AK-1 901780 Ef25/90 09/24/90 < 0.0002
< 0.0002 APC-1 910092 09/24/90 12/31/90
< 0.0015 < 0.0012 APE-30 900585 12/26/89 03/26/90 < 0.0020
< 0.0024 APE-30 901194 03/26/90 06/25/90 < 0.0010
,0.0012 AK-38 901781 06/25/90 09/24/90
< 0.0008 < 0.0007 AE-30 910093 09/24/90 12/31/90
< 0.0014 < 0.0012 APG-1 900581 12/26/89 03/26/90 < 0.0020
< 0.0022 APG-1 901150 03/26/90 06/25/90 < 0.0007
< 0.0009 APG-1 901777 % /25/30 09/24/90 < 0.0001
< 0.0001 APG-1 910089 09/24/90 12/31/ 93
< 0.0018 < 0.0015 AW-1 900583 12/26/89 03/26/90 < 0.0017
< 0.0019 AW-1 901192 03/26/90 %/25/90 < 0.0006
< 0.0006 APP-1 901779 %f25/90 09/24/90 < 0.0009
< 0.0015 AW-1 #10091 09/24/90 12/31/90 l
< 0.0010 < 0.0007 A&1 900582 12/26/89 03/26/90
< 0.0020 < 0.0013 A@l 901191 03/26/90 06/25/90 < 0.0010
< 0.0012 AQ1 901778 %f25/90 09/24/90 < 0.0005
< 0.0008 AQ1 910090 09/24/90 12/31/90 55
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TABLE B-4 (continued) DRINKING WATER IODINE-131 ANALYSIS UNITS: PCi/ LITER SAMPLE LOCATION: DWE-5 1 M is and 9egin End 1-us san. so. a.s. me= x-u1 1 m. no. o.s. o.t. 902120 os/1s/90 e7/07/90 < e.s 900007 12/le/e9 et/02/90 < o.2 e7/02/90 e7/le/,0 90121s < o.3 9c00es e1/02/90 c1/1s/90 e.s +/-o.4 ,o,3 901297 07/Is/9e e7/30/9e 900147 01/15/90 01/29/90 4 0.3 901381 07/30/90 08/13/90 < 0.2 900259 c1/29/90 02/12/93 4 0.8 901439 e4/13/90 ee/27/90 < e .3 900226 c2/12/90 02526/90 < 0.3 90043 98/27/90 09/1a/90 < e.3 900421 02/2e/90 03/12/90
- 9.3 901591 09/10/90 09/24/90 < 0.3 906494 01/12/90 03/2s/90 < 0.3 901722 09/24/90 10/08/90 < 0.3 900597 03/26/90 et/09/90 < 9.3 C4/09/P 64/23/90 e 6.3 901901 10/0e/90 10/22/90 < 0.2 900672 04/23/90 05/07/90 < 0.4 901917 10/22/90 11/05/90 < 0.3 I 900774 900e11 c5/07/90 C5/21/90 < 0.3 901999 11/05/90 11/19/90 < e.4 902093 11/19/90 12/04/90 < 0.3 900919 05/21/90 06/04/90 < e.S 902179 12/04/90 12/17/90 < e.3 901026 06/04/90 06/18/90 < 0.3 910e14 12/17/90 12/31/90 < 0.3 i
57
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TABLE-B-5 DRINIING WATER. GROSS BETA ANALYSIS ON MONTHLY COMPOSITES UNITS: PCi.LITEE BAMPLE LOCATION: DWG-2 l 3 91m sne 1.ab. 30. Data Data seta 900149 012'02/90 01/29/90 <4 900378 01/29/90 02/26/90 2.9+/- 2.9 900516 02/26/90 03/26/90 7.1+/-3.6 900674 03/26/90 04/23/90 3.7+/-2.7 900846 04/23/90 05/21/90 < 4.0 900917 05/21/90 06/04/90 0.0+/- 3.0 901123 06/04/90 07/02/90 4.0+/- 3.0 901299 07/02/90 07/30/90 4.4+/- 3.8 901459 07/30/90 06/27/90 6.8+/-2.9 901593 08/27/90 09/24/90 3.1+/- 2.9 l t 901903 09/24/90 10/22/90 3.4+/- 2.3 901916 10/22/90 11/05/90 3.9 */-2.5 902097 11/OS/90 12/04/90 4.0 */-2.0 910049 12/04/90 12/31/90 9.1+/-3.1 59
TABLE B-5 (continued) DRINKING WATER GROSS BETA ANALYSIS ON NONTELY COMPOSITES UNITS: pC1. LITER BAMPLE LOCATION: DWE-5 segla ' End 1 n. so. o.t. o.s. s.t. 900150 01/02/90 01/29/90 44 900339 01/29/90 02/26/90 <4 900517 02/26/90 03/25/90 5.5+/-3.0 900675 03/26/90 04/23/90 4.2+/-2.7 900847 04/23/90 05/21/90 4 3.9 900918 05/21/90 06/04/90 < 4.0 901124 06/04/90 07/02/90 3.0+/- 3.0 901300 07/02/90 07/30/90 3.9+/- 3.0 901459 07/30/90 08/27/90 < 3.9 901594 06/27/90 09/24/90 4.9*/- 3.0 901904 09/24/90 10/22/90 2.9+/- 2.2 l 901917 10/22/90 11/05/90 3.2 +/-2.4 l 1 902096 11/05/90 12/0s/90 2.4 +/-1.9 910050 12/04/90 12/31/90 2.8+/-2.7 60
TABLE B-5 (continued) DRINKING WATER GROSS BETA-ANALYSIS ON MONTHLY COMPOSITES i I UNITS: pCi. LITER SANPLE LOOATION: DWP-7 Segia End rad. so. cat. o.t. m.t. 900151 01/02/90 01/29/f0 S.2+/-2.9 900340 01/29/90 02/26/90 +4 900518 02/26/90 03/26/90 6.7+/-3.0 900676 03/26/90 04/23/90 4.2+/-2.7 900948 04/23/90 05/21/90 < 3.9 900919 05/21/90 06/04/90 3.2+/- 2.6 901125 06/04/90 07/02/90 4.0+/- 3.0 901301 07/02/90 07/30/90 3.7+/- 3.0 901460 07/30/90 08/27/90 3.2+/-2.6 901595 08/27/90 CS/24/90 3.9+/- 2.2 901905 09/24/90 10/22/90 4.5+/- 2.2 901918 10/22/90 11/05/90 < 3.9 902095 11/05/90 12/04/90 2.7 +/-1.0 910051 12/04/90 12/31/90 4.1+/-2.9 61
TABLE B-5 (continued) DRINKING WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES UNITS: pCi/ LITER SAMPLE LOCATION: DWG-2 l l Begin Dd Cs-134 Cs-137 Ba-140 La-140 l Te-59 Co-60 In-65 lib-95 Zr-95 I-131 Date Mn-54 Co-53 Lab. !Io. Date
< 4 <2 <4 < 3 <2 <2 <7 <2
<2 <2 <3 < 2 900149 01/02/90 01/29/90
<2 <2 <2 < 7 <2
<3 <2 < 3 < 2 < 4 <2 < 4 900338 01/29/90 02/26/90
<5 < 3 <3 <2 < 10 < 3
<2 <2 ,3 (' 2 <5 <2 900516 02/26/90 03/26/90
<5 <3 <3 <3 < 10 < 3
<3 < 3 <3 < 3 < 6 < 3 900674 03/26/90 04/23/90
<6 <3 < 3 <3 < 10 < 3
<3 < 3 <3 < 2 < 6 < 3 900846 04/23/90 05/21/90
< 3 < 6 <2 <5 < 3 < 3 <3 < 10 < 4
<2 < 2 < 3 900917 05/21/90 06/04/90
<3 <6 <5 < 3 < 3 < 14 <5
< 3 < 4 <3 <6 901123 06/04/90 07/02/90 < 3 <6 <3 <5 < 3 < 3 < 3 < 10 < 3 901299 07/02/90 07/30/90 <3 < 2 <3 < 3
<2 <5 < 3 < 3 < 3 ( 10 < 3
<3 < 3 <4 < 3 <6 901593 08/27/90 09/24/90
<6 < 3 < 3 < 3 < 10 < 3
<3 <3 < 4 < 3 <6 <2 901803 09/24/90 10/22/90
<3 <6 <5 < 3 <3 < 12 <5
<2 < 3 < 4 < 6 <6 901916 10/22/90 11/05/90
<9 < 3 <3 < 17 < 7
< 3 < 4 < 3 <6 <3 <6 902097 11/05/90 12/04/90 <3 < 3 < 13 <5
<3 <3 < 4 < 3 <6 <3 <6 < 6 < 3 910049 12/J4/S0 12/31/90 62
TABLE B-% (continued)
. DRINKING WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLX COMPOSITES UNITS: pCi/ LITER BAMPLE LOCATION: DWE-5 Begin Dd Cs-134 Cs-137 Ba-140 La-140 Date Mn-54 Co-58 Fe-59 Co-60 2n e5 h 45 2 -95 I-131 Lab. No. Date
<6 <3 < 3 < 3 < 10 < 3
<-3 <2 <5 <3 < 5 <2 900150 01/02/90 01/29/90
<2 <4 <2 <2 < 2 < 8 < 3
<2 <2 <3 <2 < 4 900339 01/29/90 02/26/90
< 9 <4 < 8 <6 < 4 < 4 < 17- <5
<4 < 5 < 4 900517 02/26/90 03/26/90 < 4
< 2 < 4 t 2 < 4 <2 <2 < 2 <7 <2 900615 01/26/ % 04/23/90 <2 <2 < 2
<6 < 3 < 8 <3 <5 <3 < 3 <3 < 8 < 3 900847 04/23/90 05/21/90 <3 <3
( 9 <5 <5 < 4 < 15 < 4
<4 <4 <6 < 4 < 9 <4 900918 05/21/90 06/04/90
<6 <3 < 3 < 15 < 4
<3 < 3 < 4 <2 < 6 <3 < 6 901124 06/04/90 07/02/90 < 2 < 4 <2 <2 < 2 <7 < 3
<2 <2 < 4 <2 < 6 901300 07/02/90 07/30/90
< 5 <3 <3 < 2 < ID < 3
<3 <3 <3 <2 < 5 < 2 901459 07/30/90 08/27/90
<4 <4 < 3 < 13 < 4 l
< 3 < 4 <3 < 8 <3 < 7 901594 08/27/90 09/24/90 < 3
< 2 < 5 < 3 < 3 < 3 < 10 < 3
<2 < 3 <4 <3 < 6 901804 09/24/90 10/22/90
<3 <2 <2 < 10 < 3
<2 <2 <3 <5 < 4 <2 < 4 901917 10/22/90 11/05/90
< 2 < 5 <6 < 2 <2 < 14 < 5
<2 <2 <3 <2 < 4
<2 902096 11/05/90 12/04/90 ( 2 < 4 < 4 < 2 <2 < 8
<2 <2 < 3 <2 < 4 910050 12/04/90 12/31/90 63
TABLE B-5 (continued) DRINKING WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITE 8 UNITS: pCi/ LITER BAMPLE LOCATION: DNP-7 1 Begin Dd I-131 Cs-134 Cs-137 Ba-143 Ia-140 C0-58 Fe-59 Co-60 2n-65 Itr-95 Zr-95 Iab.110. hte Inte Itn-54
<6 < 4 < 3 < 3 < 11 < 2
'< 3 < 4 < 3 <5 < 3 900151 01/02/90 01/29/90 < 3 ,
<9 < 6 < 5 < 4 < 17 < 5
<4 < 6 < 4 <9 < 4 900340 01/29/90 02/26/90 < 4
< 7 < 5 < 3 < 3 < 13 < 4
< 3 < 4 < 3 < 7 <3 900518 02/26/90 03/26/90 < 3
< 5 < 4 < 16 < 4
< 4 < 5 < 5 <9 < 4 <9 < $
90 % 76 03/26/90 04/23/90 < 4
< 4 < 2 < 2 < 2 < 7 < 3
< 2 < 3 < 2 < 4 <2 900848 04/23/90 05/21/93 < 2
< 7 < 4 < 4 < 4 < 14 < 4
< 3 < 5 < 4 < 7 < 3 900919 05/21/90 06/04/90 < 3
( 10 < 10 < 5 < 4 < 24 < 7
< 4 < 4 <6 < 4 < 10 <5 901125 06/04/90 07/02/90 < 3 < 3 < 3 < ID < 4
<2 < 5 < 3 < 10 <2 < 5 901301 07/02/90 07/30/90 < 2
< 9 < 5 < 4 < 4 > 16 < 5
< 4 < 5 < 4 < 9 < 4 901460 07/30/90 08/27/90 < 4 l
< 3 < 7 < $ < 3 < 3 < 15 < 5
< 3 < 4 < 3 < 7 901595 08/27/90 09/24/90 < 3
< 6 < 3 <3 < 3 < 11 < 4
< 3 < 4 < 3 < 5 < 3 901805 09/24/90 10/22/90 < 3
< 8 < 7 < 6 < 25 < 8
<6 < 8 < 6 < 14 <6 < 14 C01918 10/22/90 11/05/90 < 6
< 7 < 8 <3 < 3 < 16 < 7
< 3 < 5 < 3 < 6 < 3 902095 11/05/90 12/04/90 < 3 < 1 < 3 < 2 < 4 < 4 < 2 < 2 < 10 < 3
<2 < 2 910051 12/04/90 12/31/90 < 1 64
TABLE B-6 DRINKING WATER TRITIUM ANALYSIS ON QUARTERLY COMPOSITE 8 UNITS: pCi/ LITER BAMPLE LOCATION: ALL SAMPLE BITES 1ab No. Begis Date End Date 5-3 l Ecostien 900864 01/02/90 04/09/90 < 360 ME-5 901433 04/09/90 07/02/90 330 /-220 DWE-5 07/02/90 09/24/90 4 400 DWE-5 901814 910053 09/24/90 22/31/90 4 350 DWE-5 900863 01/02/90 04/09/90 4 360 DWO-2 901432 04/09/90 07/02/90 4 360 DWO-2 07/02/90 09/24/90 < 400 OWO-2 901813 9100S2 09/24/90 12/31/90 4 350 DWO-2 900865 01/02/90 04/09/90 < 360 DWP-7 901434 04/09/90 07/02/90 < 360 DWF-7 901e15 07/02/90 09/24/90 < 400 DNF-7 910054 09/24/90 12/3./90 < 330 DNF-7 65
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I TABLE B-8 SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES UNITS: pC1. LITER SAMPLE LOCATION: 8WG-2 Begia End Zab. 90. Date Date Beta 890149 01/02/90 01/29/90 <4 900338 01/29/90 02/25/90 2.9*/- 2.9 900518 02/15/90 03/26/90 7.1+/-3.6 900674 03/25/90 04/23/90 3.7+/-2.7 900646 04/23/90 05/21/90 < 4.0 900917 05/21/90 06/04/90 8.0+/- 3.0 901123 05/04/90 07/02/90 4.0+/- 3.0 901299 07/02/90 07/30/90 4.4+/- 3.8 901458 07/30/90 08/27/90 6.s+/-2.9 l l 901593 08/27/90 09/24/90 3.1+/- 2.9 901803 09/24/90 10/22/90 3.4+/- 2.3 901916 10/22/90 11/0S/90 3.9 +/-2.5 902097 11/0$/90 12/04/90 4.0 +/-2.0 910049 12/04/90 12/31/90 0.1+/-3.1 69
TABLE B-8 (continued) SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES UNIT 8: pCi/ LITER SAMPLE LOCATION: SWE-5 l 4 s.gia una x.ab. so. o.s. nat. m t. 900150 01/02/90 01/29/90 <4 900339 01/29/90 02/26/90 <4 900S17 02/26/90 03/26/90 S.S+/-3.0 900675 03/26/90 04/23/90 4.2+/-2.7 900448 04/23/90 05/21/90 < 3.9 900918 05/21/90 06/04/90 < 4.0 901124 06/04/90 07/02/90 3.0+/- 3.0
.901300 07/02/90 07/30/90 3.0+/- 3.0 901459 07/30/FJ 08/27/90 4 3.9 901594 et/27/90 09/24/90 4.9+/- 3.0 901904 09/24/90 10/22/90 2.9+/- 2.2
'901917 10/22/90 11/05/90 3.2 +/-2.4 902096 11/05/90 12/04/90 2.4 +/-1.8 2100S0 12/04/90 12/31/90 2.8+/~2.7 70
, . 1, T&BIE B-G (continued)
SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES UNITS: pc*,. LITER BAMPLE LOCATION: SWP-7 9egia Bad san. so. o.t. o.t. 9.t. 900151 01/02/90 01/29/90 S.2*/-2.9 900340 01/29/90 02/26/90 <4 900518 02/28/90 03/25/90 5.?*/-3.0 900675 03/25/90 04/23/90 4.2+/-2.7 900849 04/21/90 0S/21/90 4 3.9 900919 05/21/96 05/04/90 3.2*/- 2.6 901125 05/04/90 07/02/90 4.0+/- 3.0 901301 07/02/90 C7/20/90 3.7+/- 3.0 l 901450 07/30/90 08/27/90 2.2*/-2.5 901595 08/27/90 09/24/90 3.9*/- 2.9 90180S 09/24/90 10/22/90 4.5+/- 2.2 901918 10/22/90 11/05/90 < 3.s 902095 11/0S/90 12/04/90 2.7 +/-1.8 910051 12/04/90 12/31/90 4.1*/-2.9 71
TABLE B-8 (continued) SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES l UNITS: pCi/ LITER SAMPLE LOCATION: SWG-2 Begis End I-131 co-134 co-137 Sa-1*C La-140 Co-40 sm-65 WD-95 tr-95 Date Date Mn-54 Co-SS Fe-S9 1ab. No.
<3 <2 <2 <7 <2
<2 <4 42 <4 01/02/90 61/29/90 <2 42 4 3 900149 4 2 4 2 4 2 < 7 4 2
< 2 < 4 < 2 4 4 01/29/90 02/26/90 < 3 4 2 < 3 900333
< 3 4 3 e 2 < 10 < 3
< 3 < 2 < 5 < 2 < 5 02/26/90 03/26/90 < 2 4 2 900516
< 3 < 3 4 3 < 10 < 3
< 3 < 3 4 6 < 3 < S 900674 03/26/90 04/23/90 < 3 4 3
< 3 4 3 < 3 4 le < 3
< 2 4 6
- 3 4 6 v4/23/90 05/21/90 < 3 < 3 < 3 900846 4 3 4 3 < 10 < 4 4 3 4 3 4 5 < 2 < 5 4 3 900917 05/21/90 06/04/90 < 2 < 2
< S < 3 < 3 4 14 < S
< 4 4 3 4 6 4 3 < 6 901123 06/04/90 07/02/90 < 3 4 2 < 10 < 3 4 3 4 5 < 3 < 3 4 3 4 2 < 3 < 3 < 6 901299 07/02/90 07/30/90 < 3
< 4 < 2 < 2 < 2 4 7 4 3
< 2 < 3 < 3 4 4 < 2 9014SS 07/30/90 08/27/90 < 2
< 3 4 3 4 3 < 10 4 3
< 4 < 3 < 4 < 2 < S 901593 08/27/90 09/24/90 < 3 4 3
< 2 < 6 < 3 < 3 < 3 < 10 < 3
< 3 < 4 < 3 4 5 901803 09/24/90 10/22/90 < 3
< 5 4 3 < 3 4 12 < S 4 4 < 6 4 5 < 3 < 6 901916 11/22/90 11/05/90 <-2 < 3
< 3 4 3 4 17 < 7
< 3 4 6 < 3 4 3 < 9 4 3 4 3 4 4 902097 11/05/90 12/04/90 < 6 < 6 4 3 4 3 < 12 < S
< 4 < 3 < 6 < 3 910049 12/04/90 12/31/90 < 3 < 3 72
TABLE B-8 (continued) SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES UNITB: pC1/ LITER BAMPLE LOCATION: SNE-5 l Segia E:24 Cs-134 Cs-137 Be-140 1.a-140 En-65 Nb-95 Er-95 2-131 l Ptn-54 Co-59 Fe-59 Co-60 l I,ab. No. Date Data
<3 <3 < 10 *3 l <S <2 <6 4 3
<3 <2 <S <3 900150 01/02/90 01/29/90 4 2 < 2 < 0 4 3 4 4 4 2 < 4 4 2 4 2 < 2 4 3 < 2 900339 01/29/90 02/26/90 e 4 4 4 4 4 4 17 4 5 4 4 4 9 4 4 < S 4 4 _< 4 4 5 900S17 02/26/90 03/26/90
< 2 < 2 < 7 < 2
< 4 < 2 < 4 < 2
< 2 < 2 < 2 900675 03/26/90 04/23/90 < 2 i
< 3 < 3 4 3 < s < 3 4 3 < e < 3 < S f < 3 4 6 90C847 04/23/90 05/21/90 < 3
< 4 4 15 4 4
< 9 < 4 < 9 4 S 4 5
< 4 4 6 < 4 900918 05/21/90 06/04/90 < 4 4 3 4 25 4 4
< 6 4 3 < 6 < 6 < 3 4 3 4 4 4 2 901124 06/04/90 07/02/90 < 3 < 6 4 2 < 4 < 2 < 2 < 2 4 7 4 3
< 2 < 4 4 2 901300 07/02/90 07/30/90 < 2
< 3 < 2 < 10
- 3
< S < 2 < S < 3 4 3 < 3 4 3 4 2 901459 07/30/90 08/27/90 4 4 < 3 < 13 < 4 4 8 < 3 < 7 < 4
< 3 < 4 4 3 901594 0s/27/90 09/24/90 < 3 4 3 < 3 4 20 < 3 4 6 < 2 < 6 4 3 4 2 < 3 < 4 4 3 901804 09/24/90 10/22/90
< 2 <2 < 10 < 3
< S < 4 < 2 < 4 < 3
< 2 4 3 901917 11/22/90 11/05/90 < 2
< 2 < 2 e 14 < S
< 4 < 2 4 4 < 6
< 2 < 3 < 2 902096 11/05/90 12/04/90 < 2 < 4 < 2 4 4 4 4 < 2 < 2 < 8 < 2
< 2 < 3 < 2 910050 12/04/90 12/31/90 < 2 73
TABLE B-8 (continued) SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES UNITS: pCi/ LITER SAMPLE LOCATION: SWP-7 Degin 2nd . co-137 Sa-140 1m-140 Co-60 En-45 Nb-95 2r-95 2-131 Cs-134 Date 9tn-S4 Co-58 Fe-59 Lab. No. Date 4 4 <3 <3 < 11 <2
<4 <3 4 S <3 <5 900151 01/02/90 01/29/90 43 4 3
< S < 4 < 17 4 S
< 6 e 4 4 9 < 4 4 9 < 6 01/29/90 02/26/90 4 4 4 4 900340
< 3 4 3 < 13 4 4 4 4 < 3 4 7 4 3 < 7 4 S 900514 02/26/90 03/26/90 < 3 4 3
< S < S < 4 4 16 4 4 4 S
- S < 9 < a 4 9 900676 03/26/90 04/23/90 < 4
- 4
< 2 < 2 < 2 < 7
- 3
< 3 < 2 < 4 4 2 < 4 900948 04/23/90 05/21/90 < 2 4 2 4 4 < 4 4 4 < 14 4 4
< S < 4 < 7 4 3 < 7 900919 05/21/90 06/04/90 < 3
- 3
< 9 < S < 4 < 4 e 16 < S 4 4 < 4 < $ < 4 4 9 < J 901460 07/30/90 08/27/90 4 7 < S < 3 < 3 < 15 4 5
< 4 < 3 4 7 < 3 901595 CS/27/9u 09/24/90 < 3 4 3
< 3 < 3 4 11 < 4 4 4 < 3 < S < 3 < 6 < 3 901805 09/24/90 10/22/90 4 3 4 3
< e < 7 < 6 4 25 < e
< 6 < s < 6 < 14 4 6 < 14 901918 10/22/90 11/05/90 < 6
< 3 4 3 < 16 4 7 4 4 4 3 4 6 < 3 < 7 4 e
[ 90209S 11/05/90 12/04/90 < 3 < 3 4 4 < 4 < 2 4 2 < 10 < 3 4 2 4 2 < 2 < 3 4 2 9100S1 12/04/90 12/31/90 4 2 74
manu-TABLE B-9 SURFACE WATER TRITIUM ANALYSIS ON QUARTERLY COMPOSITES UNITS: pCi/ LITER BAMPLE LOCATION: ALL SAMPLE SITES Lab so- hets o.t. zna est* I-3 locatim 90o064 c1/o2/9o ot/o9/9o < 3Q
$g-$
SE-5 Solen - ostos/so 07/o2/so 330+/-220 Solete o7/o2/so ce/24/so < 400 SE-5 < 350 SE-5 steosi os/28/*o n/32/*o Sooe63 otto 2/so 04/05/90 < 3M SF,-2 o4/es/so o7/o2/so < 3g SE-2 so2432 somet3 o7/om/so es/24/so < 400 SE-2 < 350 SW,-2 stoos: ee/2a/so 12/31/so secess atto2/so ca/es/so < 3@ SW-7 9o1434 a4/o9/9o e7/o2/9o <3Q SF-7 < 400 SF-7 ,atets o7/o2/9o ce/24/so = stoose os/24/so 12/31/so ( 350 SW-7 l 75
El. lm TABLE B-10 GROUNDWATER TRITIUM AND GAMMA ISOTOPIC ANALYSES UNITS: pCi/ LITER BAMPLE LOCATION: GEJ-1 CollectSee Co-134 Co-237 Be-140 1.e-140 l Fe-59 Co40 En-65 tr-95 Eb-95 I-131 l tab. Iro, Date E-3 Mn-54 Co-SS 47 < 4 4 4 < 19 < S
< 4 < 7 4 4 4 S < s < 4 900009 01/02/90 6504/-220 4 4 l 4 3 < 3 < 11 4 4 -
4 A < 5 4 3 4 4 4 3 4 4
- 3 900529 04/02/90 < 360 4 3 4 5 < 3 4 3 4 14 < 5 4 4 4 3 4 5 < S < 3 901122 07/02/90 570*/-210 4 3 4 3
< J < 3 4 10
- 4 4 3 4 5 < 6 4 3 < 3 4 3 4 3 4 4 901651 10/01/90 < 360 76
g iI - TABLE 3-11 8210 RELINE BOIL GAMMA ISOTOPIC ANALYSIB UNITS: pCi/Kg SAMPLE LOCATIONS: ALL SAMPLE SITES l Co-S$ co-50 co-134 co-137 1mcaticut 1.ab Wo. Collectice Dato sta-54 4 19 4 20 < 24 < 22 8DDC-3 900531 04/02/90 < 20
< 19 4 18
- 22 < IG aufwE-3 901753 10/01/90, < 19
< IS < 16 4 19 < 15 85C-1 900530 04/02/90 < 16
< 18 < 18 < 22 66+/- 17 SINJ-1 901752 10/01/90 < 19 1
77 I
]
TABLE B-12 MILK IODINE-131 AND GAMMA ISOTOPIC ANALYBES UNITS: pCi/ LITER BAMPLE LOCATION: MKQ-5 l Lab 30. Collectice Dete I-131 Co-134 Ca-137 Se-140 1.e-140 900052 01/09/90 < 0.3 4 2 < 2 4 9 < 2 900110 01/23/90 < 0.3 43 < 3 < 10 <2 900205 02/06/90 < 0.3 < 2 < 2 < 9 4 2 900297 02/20/90 < c.4 4 3 4 3 4 11 < 3 wC342 01/06/90 < 0.3 < 3 < 2 < e < 2 900460 03/20/90 < 0.2 4 3 < 2 < S < 2 900536 04/03/90 < 0.2 4 3 < 2
- 9 < 3 900647 04/17/90 < 0.4 < 4 4 3 4 11 < 3
~
900712 05/01/90 4 0.3 4 3 < 3 < 11 4 3 900811 05/15/90 < 0.5 4 3 < 2 < 7 < 2 900920 06/05/90 4 0.4 < 2 4 2 < 8 < 2 901042 06/19/90 < 0.3 4 4 4 3 4 11 < 3 76 ( _ _ _ _ _ _ _ g,
TABLE B-12 (continued) MILE IODINE-131 AND GAMMA ISOTOPIC ANALYSES UNIT 8: pCi/ LITER SAMPLE LOCATION: MKQ-5 Ba-140 La-140 Cs-134 Cs-137 Collection Date I-131 lab ib.
<2 < 8 < 3
< 0.3 <2 < 2 901102 07/03/90
<3 <2 <7
< 0.3 901216 07/17/90
<4 < 14 < 4
< 0.3 < 5 901349 08/07/90 < 2 <8 < 2
< 0.3 < 3 901416 08/21/90
< 4 < 13 < 5
< 0.3 < 4 901495 09/05/90 <2 <7 <4
< 0.3 <2 901569 09/18/90
< 10 < 4
< 0.4 <3 <3 901657 10/02/90 < 3 < 10 < 3 0.3+/-0.3 < 3 901762 10/16/90
< 3 < 11 < 4
< 0.4 < 4 901934 11/07/90 < 2 < 7 < 2 l
< 0.4 <2 902001 11/20/90
< 2 < 7 < 3
< 0.5 <2 < 3 902112 12/05/90 <3 < 3 <9
< 0.3 902171 12/18/90 79
TABLE B-12 (continued) MILK IODINE-131 AND GAMMA ISOTOPIC ANALYBES UNITS: PCi/ LITER BAMPLE LOCATION: MKQ-45 I-131 Co-134 Co-137 Ba-140 14-140 Lab Wo. Collectice Date
< 4 4 4 < 17 < 3 900053 01/08/90 < 0.4
< 2 < 2 < 9 < 2 900119 01/22/90 < 0.3
< 3 e 3 e 12 < 3 900206 02/05/90 < 0.4
< 3 3+/-2 < 10 < 2 900298 02/19/90 < 0.5
< 4 < 3 < 11 < 3 900383 03/05/90 < 0.3
< 4 < 3 4 12 < 4 900461 03/19/90 < 0.3
< 4 < 3 < 11 < 4 900537 04/02/90 < 0.3
< 4 4 3 < 12 < 4 900648 04/16/90 < 0.4 4 5 < 5 < 17 < 5 900713 04/30/90 < 0.3
< 0.5 4 5 < a < 12 < 4 900812 05/14/90
< 3 < 3 < 11 < 4 900921 06/04/90 < 0.3
< 3 < 3 < 11 < 3 901043 06/18/90 < 0.3 f
CO
Mmum TABLE B-12 (contlnued) MILE IODINE-131 AND GAMMA ISOTOPIC ANALYSES UNITS: pCi/ LITER SAMPLE LOCATION: MKQ-45 Ba-140 La-149 Cs-134 Cs-137 Collection Date 1-131 Lab 110.
<5 < 18 <5
< 0.3 <5 <3 901103 07/02/90 <3 < 11
< 0.3 <4 901217 07/16/90
< 29 8
< 0.3 < g <7
< II 3 901350 08/06/90 < 3 4 3
< 0.4 901417 08/20/90
< 3 < 11 <3
< 0.3 < 3 < 3 9014 % 09/04/90 < 3 < 10
< 0.3 < 3 901570 09/17/90
< 12 < 4
< 4 < 3
< 0.5 < 17 < 5 901658 10/01/90 < 5 < $
< 0.3 901763 10/15/90
< 10 < 4
.< 4 < 3
< 0.5 < 20 <6 901935 11/05/90 < 5 < 4
< 0.4 902002 11/19/90
< 2 < 9 <3
< 0.6 < 2 <2 902113 12/03/90 < 3 < 2 <9
< 0.4 902172 12/17/90 81
' TABLE B-13 FISH GAMMA ISOTOPIC ANALYSIS i SAMPLE LOCATION: FH-1 UNITS: pCi/Kg 'f les so. colt.esto. Det. s g le t7p.. .se.-54 co-Se p.-59 co-se =-6s- c.-134 co-in >
900870 05/11/90 Ch17185 4 11 < 12 < 19 < 11 < 24 < 12 < 10 900011 05/23/90 DgtDN < 16 < 19 < 27 < 19 4 41 < 22 e it 900872 05/23/90 SRAD < 13' '4 14 - < 21 < 33 4 31 < 14 < 12 900e73 05/23/90 MtfL1ET < 14 ' < 15 < 29 < 16 4 45 < 16 < 34 900075 0$/23/90 eTRIFSD shas - < 6 4 6 < 13 < 6 < 20 < 6 < 6 i 901706 10/03/90 cATF185 < S' < 9 < 15 e 11 < 25 < 12 < 9 901707 10/03/90 5HbD < 13 < 13 < 19 < 12 4 30 < 14 4 12 & ! 90170s 10/03/90 Betttt < 21 < 23 4 32 < 22 < $2- < 25 < 21 901709 10/03/90 MUL1ET 4 9 < 10 e 16 ' < 11 < 22 4 12 < 9 i 901710 10/03/90 STRIFED ShSS
- 16 "<29 < 25 4 17 < 43 e 20 < 17 l
l 3 4 i l 82
TABLE B-13 (continued) FISH GAMMA ISOTOPIC ANALYSIS UNIT 8: pCi/Kg SAMPLE LOCATION: FH-2 l l 1 i Fe-59 co-60 h65 co-134 co-137 I 1,ab No. collectics: Data Sample type ste-54 Co-SS I 4 14 < 9 < 21 < 10 < S 90C866 05/17/90 CATF153 4 8 < 10
< 17 < 10 < 24 4 11 < 10 05/17/90 strAD < 19 < 11 900867 4 21 < 12 < 30 < 12 < 11 900868 05/17/90 DROM < 11 < 13
< 22 < IS < 34 < 16 e is 900869 05/17/90 MULI.ET < 14 4 15 4 37 < 23 < 56 4 28 4 21 05/17/90 STR1 FED BAsa < 25 < 26 900874
< 30 < 19 4 51 < 23 < 19 901711 10/03/90 CATFisa < 20 4 20
< 14 4 10 < 24 < 11 < 9 901712 10/03/90 strAD < 10 < 10
< 30 < 1' < 3s - < 1e < 13 901713 10/03/90 D1tuM < 17 < 16
< 28 < 2S < 49 < 21 < 19 901714 10/03/90 MUL12T 4 21 4 20
< 6 < e < 6 < 14 4 6 < S 901715 10/03/90 MTRIFED BASS < S l
1 l 83
TABLE B-14 BROAD LEAF VEGETATION IODINE-131 AND GAMMA ISOTOPIC ANALYSES UNITS: pCi/Kg BAMPLE LOCATION: BLQ-1 Collectice Dat'e 1 131 Cs-134 Cs-137 Lab so. e 14 < 11 900!99 01/30/90 4 15
< 15 < 13 4 13 900309 02/21/90 03/22/90 < 19 < 21 4 19 900472 900609 04/24/90 < 15 4 16 4 13 05/24/90 < 14 e 9 4 8 900900
< 11 4 11 901051 05/21/90 < 14
< S 4 7 4 6 901299 07/26/90 08/24/90 4 17 < 18 4 15 901455 09/25/90 < 16 4 10 < 9 901523 4 9 4 8 901929 10/25/90 4 10 l
l 902030 11/27/90 < 13 < 15 4 12 I 12/20/90 < 22 < 16 < 14 902192 84
S TABLE B-14 (continued) BROAD LEAF VEGETATION IODINE-131 AND GAMMA ISOTOPIC ANALYSES UNITS: PCi/Kg SAMPLE LOCATION: BLB-1 Lab 9o. Collect 1Ga Date I-131 Co-134 Co-1J7 900170 01/30/90 < 33 < 29 < 26 i 900310 02/21/90 4 19 < 19 < 16 I 900473 03/22seo < 16 4 19 < 16 900490. 04/26/90 4 10 4 11 < 9 l l 900901 05/24/90 4 12 < S < 6 901052 06/21/90 < 22 < 19 4 15 901299' 07/26/90 4 10 < 10 4 8 901456 08/29/90 < 14 < is < 14 901624 09/25/90 < 12 < 12 4 9 901930 10/25/90 < 21 < 20 < 16 9d2031 11/27/90 4 7
- 8 4 6 902193 12/20/90 < 26 < 22 < 19 85
TABLE B-14 (continued) BROAD LEAF VEGETATION IODINE-131 AND GAletA ISOTOPIC ANALYSES ~ UNITSI pCi/Kg SAMPLE LOCATION: BLK-15 4 2 131 Co-134 Co-117 1mb 90. Collectfee pote 4 21 4 20 < 19 900171 91/30/90 4 20 < 16 4 16 900311 02/21/90 4 19 e 22 < 19 900474 93/21/90 e 13 4 12 900691 04/26/90 < 12
< 23 < 14 4 12 900902 OS/24/90
< 14 < 13 < 12 901093 e6/21L/90
< 19 e 15 < 13 901290 07/26/90 4 12 < 11 901457 08/29/90 < 19
< 15 < 14 4 12 901625 09/2S/90
<8 <S 901931 10/25/99 < 10
< 12 < 12
- 11 902032 11/21/90 e 25 < 12 902194 12/20/90 < 32 86
TABLE B-15 YEGETATION - FOOD PRODUCTS IODINE-131 AND GAMMA ISOTOPIC ANALYSES UNITS: pC1/Kg BAMPLE LOCATION: ALL SAMPLE SITES i 1 2-131 CD-134 Co-137 co11octies Data semple type Smeetion tab me.
< 31 4 9 stMER Cast < 16 Fre-2 901994 99/27/90 4 9 < 0 SOftamps < to FFL-1 901932 10/2S/90
< 11 < S SUORA CNE < It FFF-1 901854 99/29/JO
< 29 < 16 e 13 09/27/90 suaNt Capt FFQ-1 901433 1
87 M i
APPENDIX C
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LOWER LIMITS OF DETECTION 88 W391665.SA
TABLE C-1
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LOWER LIMITS OF DETECTION DURING THE PERIOD OF JANUARY I 70 MARCH 31, 199D EXPLANATION OF SAMPLE UNAVAIMBILITY DATE OR MISSED LLD ANALYSIS IDCATION SAMPLE MEDIA January to March Ne samples available; eows did not , I-131, Ganna MKQ-1 supply milk for human consureption.
- 1. Milk January to March No samples available; goats sold; to I-131, Gamma MKE-4
- 2. Milk be removed fron ODCM.
I 89
q TABLE C-2
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED I/k'ER LIMITS OF DETECTION DURING THE PERIOD OF APRIL 1 TO JUNE 30, 1990 EXPLANATION OF SAMPLE UNAVAILABILITY DATE OR MISSED LLD ANALYSIS IhCATION SAMPLE MEDIA April to June No samples available; cows did not I-131, Gamma MKQ-1
- 1. Milk supply milk for human consumption.
MKE-4 April to June No samples available; goats sold; to I-131, Gamma
- 2. Milk be removed frce ODCM.
05/29/90-06/04/90 Sample pump failure. Pump replaced I-131, Gross Beta APQ-1
- 3. Air Particles 06/05/90.
90 i
..i TABLE C-3 StDe'.ARY OF UNAVAILABLE SAMPLES AND MISSED LOWER LIMITS OF DETECTION DURING THE PERIOD OF JULY 170 SEPTEMBER 30, 1990 EXPLANATION OF SAMPLE UNAVAILABILITY DATE OR MISSED LLD ANALYSIS LOCATION SAMPLE MEDIA July to September No samples available; cows did not I 131, Ga m MKQ-1
- 1. Milk produce milk for human consurnption.
MKE-4 July to September No samples available; goats sold; I-131, Gamma
- 2. Milk to be removed from ODCM.
91
n TABLE C-4
SUMMARY
OF UNAVAILABLE SAMPLES AND MISSED LCETR LIMITS OF DETECTION DURING THE PERIOD OF OCTOBER 1 M DECEMBER 31, 1990 l EXPLANATION OF SAMPLE UNAVAILABILITY DATE OR MISSED LLD ANALYSIS IDCATION SAMPLE MEDIA October to December No samples available; cows did not I-131, Gama MKQ-1
- 1. Milk product milk for human consurnption.
MKE-4 October to December No sample available; goats sold; I-131, Cama 2 Milk to be removed from ODCM. l 92
TABLE C-5
SUMMARY
OF UNAVAILABLE TLD MEASUREMENTS DURING THE PERIOD OF JANUARY 1 TO DECEMBER 31, 1989 QUARTER EXPL). NATION LOCATION D-2 Second TLD Missing; Replaced 5/4/90. H-2 second TLD Hissing; Replaced 4/26/90. 0-4 Fourth TLD Missing; Replaced 11/2/90. 93 W391665.SA
APPENDIX D
SUMMARY
OF INTERI.ADORATORY COMPARISONS 94 W391665.SA
EPA CROSS CHECK RESULTS I . EPA PREP DATE EPA EPA AP&L NORM DEV DATE ISSUED RESULTS MEDIA NOCLIDE RESULTS RESULTS KNOVN 10/31/89 1/23/90 Water Cross B 32.00 30.00 -0.69 Sample B Co-134 5.00 5.67 0.23 (pci/L) Cs-137 5.00 5.67 0.23 01/26/90 03/30/90 Water Cross B 12.00 11.33 -0.23 (pci/L) 02/09/90 03/30/90 Water Co-60 15.0 15.0 0 (pci/L) In-65 139.0 133.67 -0.66 Ru-106 139.0 145.33 0.78 Cs-134 18.0 17.67 -0.12 Cs-137 18.0 17.67 -0.12 Ba-133 74.0 85.00 2.72 02/23/90 03/30/90 Water H-3 4976.0 $226.67 0.87 (pci/L) 03/30/90 06/29/90 Air Filter Cross B 31.0 34.00 1.04 (pci/ filter) Cs-137 10.0 15.00 1.73 04/17/90 07/08/90 Water Cross B 52.0 47.0 -1.73 Sample B Cs-134 15.0 17.33 0.81 (pci/L) Cs-137 15.0 14.33 -0.23 05/11/90 07/10/90 Water Cross B 15.0 11.33 -1.27 (pci/L) 04/27/90 07/27/90 Milk 1-131 99.0 99.33 0.06 (pC1/L) Cs-137 24.0 22.33 -0.58 Potassium 1550.0 1493.33 -1.26 Analytics. 08/06/90 Analytics,Inc. 1-131 3.17E-1 3.15E 1 Ratto: 0.99
#CC35386-74 Iodine Env. Labt Cartridge Analytics, Inc.
(uci/cc) 06/08/90 08/07/90 Water Co-60 24.0 26.0 0.69 (pci/L) Zn-65 148.0 144.67 -0.38 Ru-106 210.0 194.0 .132 Cc 134 24.0 25.0 0.35 Cs-137 25.0 26.0 0.35 06/22/90 08/07/90 Water H-3 2933.0 3350.0 2.02 (pCi/L) 08/10/90 10/03/90 Water I-131 39.0 40.0 0.29 (pC1/L) 09/21/90 10/10/90 Water Cross B 10.0 14.0 1.39 (pCi/L) i 95
EPA CROSS CHECK RESLLTS EPA PREP DATE EPA EPA AP&L NORM DEV DATE ISSUED RESULTS MEDIA NUrLIDE RE3ULTS RESULTS KNOWN 10/19/90 12/05/90 Water H-3 7203 8100. 2.16 (pci/L) 09/20/90 12/10/90 Milk I-131 58.0 56.00 -0.58 (pCi/L) Cs-137 20.0 20.00 0 10/05/90 12/17/90 Water Co-60 20.0 20.33 0.12 (pci/L) Zn-65 115.0 118.67 0.53 Ru-106 151.0 142.33 -1.00 Cs-134 12.0 12.33 0.12 Co-137 12.0 13.00 0.35 Ba-133 110.0 106.00 -0.63 08/31/90 12/12/90 Air Filter Beta 62.0 62.67 0.23 (pCi/ Filter) Cs-137 20.0 28.00 2.77 Fourth Qtr. 1990 1/11/91 Analytic Inc. 1-131 3.18E-2 3.43E-2 1.08 CC36036-74 Iodine Cartridge Ratio (uci/cc) 96
APPENDIX E SYNOPSES OF ANALYTICAL PROCEDURES 97 W391665.SA
E-1.0 ANALYSIS OF SAMPLES FOR GROSS BETA ACTIVITY E-1.1 Air Particulates After a delay of three or more days, allowing for the radon-222 and radon-220 daughter products to decay, the particulate filters were counted in a gas-flow proportional counter. E-1.2 Water A known volume of water, usually 200 milliliters, was reduced by evaporation, transferred to a two inch diameter planchet, and evaporated to dryness. The planchet was counted for 100 minutes in an automatic alpha-beta counter. E-2.0 ANALYSIS OF WATER SAMPLES FOR TRITIUM A known volume of water, 5 milliliters, was addad to 15 millilitars of liquid scintillation solution in a 25 milliliter vial. The sample was counted for 500 minutes in a liquid scintillation coanter. E-3.0 ANALYSIS OF SAMPLES FOR IODINE-131 E-3.1 Milk and Water Up to four liters of sample were thoroughly mixed with a stable iodine carrier solution. The sampl3 was eluded through an anion exchange resin column to remove lodine from the sample. The iodine was stripped from the resin with sodium hypochlorite solution, reduced with hydroxylamine hydrochloride, and then extracted into carbon tetrachloride as free iodine. It was back-extracted as lodide into sodium bisulfite solution and precipitated as pelladium iodide. The precipitate, palladium iodide, was weighed for chemical yield and mounted on a nylon planchet level beta analysis. The choraical yield was corrected by measuring the stable iodide content of the milk or water with a specific ton electrode. E-3.2 Broad Leaf vegetation Iodino analysis was performed using gamma spectroscopy. The time between sample receipt and analysis, the sample size and count times were adjusted in order to attain the required lower limit of detection. Refer to Section E-4.2 for a description of gamma spectroscopy procedure. 98 W391665.SA
E-4.0 GAMMA SPECTROSCOPY ANALYSIS E-4.1 Milk and Water A 3.5 liter Marinelli beaker was filled with a representative aliquot of the sample. The sample was counted for a minimum of 420 minutes with a shielded Germanium detector coupled to a computer based data acquisition system that performed pulse h6Lght analysis. E-4.2 Vegetation, Food and Garden Crops, and Fish The maximum amount possible (without drying) of the vegetation, food, or garden crop sample was loaded into a tared Marinelli beaker and seighed. The sample was counted for a minimum of 440 minutes with a shielded Ge(L1) detector coupled to a computer based data acquisition system which terformed pulse height analysis. The maximum amount possible of the edible portion of a fish was loaded into a tared Marinelli beaker and weighed. The sample was counted for a minimum of 420 minutes with a shielded Ge(L1) detector coupled to a computer based data acquisition system which performed pulse height analysis. E-4.3 Soils and Sediment Soils and sediments were dried at temper tures less than 100 degrees Centigrade. The soil or sediment was loaded into a tared Marinelli beaker and weighed. The sample was ccunted for at least four hours with a shielded Ge(Li) detector coupled to a computer based data acquisition system which performed pulse height analysis. E-4.4 Charcoal Carteidges (Air Iodine) A screening count of charcoal cartridges was performed with several cartridges stacked in a Marinelli beaker. One cartridge was po'lti nod on the face of a Germanium detector and up to six cartridges were placed on the side of the Germanium detector. If no iodine-131 was detected, the detection limit for the batch of cartridges counted together was determined using the smallest sample volume of the individual cartridges within the batch. If iodine-131 was observed in th's screening count of a set of cartridges, each cartridge was then counted separately on the face of the detector. 99 i W391665.SA
E-4.5 hir Particulates The weekly air particulate filters for a quarter were composited from each field station by stacking the filters on top of each other. The composites were counted f or a minimum of four hours with a shielded Ge(Li) detector coupled to a computer based data acquisition system which terformed pulse height analysis. E-4.6 computer software A computer software program defined peaks by certain changes in the slope of the spectrum. The program also compared the energy of each peak with library of peaks for isotope identification and then performed the radioactivity calculation using the appropriate fractional gamma ray aDundance, half life, detector efficioney, and not counts in the peak region. E-5.0 ENVIRONMENTAL DOSIMETRY Thermoluminescent Dosimeters (TLDs) manuf actured by Panasonic (model UD-814hQ) were used for environmental dosimetry. The Panasonic TLDs contain or.s lithium borate and three calcium sulf ate phosphor elements; however, only the calcium sulfato phosphor elements were used. Two annealed dosimeters were placed inside a plastic bag and mounted in an aluminum frame for placement in the field. Ths dosimeters were exchanged and analyzed each quarter using an automatic TLD reader manufactured by Panasonic (Model UD-710). 100 W391665.SA
i APPENDIX F STATISTICAL ANALYSES 101 W391665.SA
F-1.0 CALCULATION OF MEAN AND STANDARD DEVIATION The mean and standard deviation for different groups of analyses were calculated using the following equations:
" Xi (F-1) K=
s.s n f [Xi"- (n) (X)') ' (F-2) S= i=1 (n - 1) where: x = mean of sample population, s = standard deviation of sample population,
- n. = number of samples in sample population, and xi = value of the l'th sample.
F-2.0 COMPARING TWO SAMPLE POPULATION MEANS The means of two sample populations can be compared for a statistical difference using the standard "t" test. The use of the test requires the assumption that the data within the populations are normally distributed and that the true =:=ndard deviations of the mean are equal for both populations. The standard "t" test tests the hypothesis that the true means of both populations are equal. The "t" value can be calculated f rom the equation below (obtained f rom the CRC Standard Mathematical Tables, 26th Edition (1901)):
,,_a, . . (3 - y)
~
0.5 F 0.5 {(n.-lis.' + (n. - 1)s "j i 1 _1,
+
"x * "y ~ * "x "y}
where: t = calculated "t" value, x = mean of first data set, y = mean of second cata set, n = number of variables in first d'ata set, s = standard deviation of first data set, n y = number of variables in sonend data set, and s, a standard deviation of second data set. 102 W391665.SA
If the data from both sample populations are tr6ated as correlated pairs, the difference between individual measurements can be examined using the statistical "t" test. In this case, if the true means and true standard deviations for the sample populations are equal, the difference between the correlated data points should be normally distributed about a mean of zero. The "t" value can be calculated from the following equation (obtained from the CRC standard Mathematical Tables, 26th Edition (1981)):
,,-., . . 15 (n) so where d = the average of the difference between the correlated data points from the two sample populations:
N d= (( (xi - y.)/N i=1 x, a the l'th data point from population x, yi = the l'th data point from gepulation y, N = the number of correlated pairs of data points, n = degrees of freedom, for equation F-4, n=N-1, and
- s. = the standard deviation of the difference between the correlated data points.
The calculated "t" value in both cases is used to test the hypothesis that the true mean of the first population ( .) is equal to the true mean of the second population ( y) assuming that the true standard deviations of both populations are equal ( . = y). The calculated "t" value is compared to a tabular "t" value such thats
- a. if t>t.,n then reject the hypothesis when . >g y ,
- b. if t(-t.,n then reject the hypothesis when p.,gy,
- c. if itl>t-,,,o then reject the hypothesis when p.= y, where t f,,n and t ,n are the tabular "t" values, with a preselected error ($ percent in this case), confidence levei (1 *) or (1-*/2), and degrees of freedom n (n=n.+ny -2)for Equation F-3 and n=N-1 for F-4, respectively). Tabular values of the "t" were obtained from the CRC Standard Mathematical Tables, 26th Edition (1981).
103 W391665.SA
F-3.0 TLD MEASUREMENTS The TLD measurements made during 1990 were grouped into categories based on distance from the plant. The means and standard deviations obtained for each category are given in Table F-1. The mean dose from the stations located more than five miles away from the plant were compared to the mean doce from stations located within two miles from the plant and to the mean dose from stations located between two and five miles from the plant using the standard "t" test. The "t" values were calculated using Equation F-3 and are given in Table F-1. Comparing the calculated and tabular "t" values show that the mean dose for stationo within two miles from the plant is statistically lower than the mean dose from stations located greater than five miles from the plant. The mean dose for stations located between two and five miles from the plant is statistically the same as the mean dose for stations located more than five miles from the plant. F-4.0 GROSS BETA ACTIVITY ON AIR PARTICULATE FILTERS gg The means and standard deviations for airborne gross beta results obtained during 1990 from the control and indicator stations are given in Table F-2. The mean from each indicator station was compared to the mean from the control station using the standard "t" test to determine if there was a statistical difference. The calculated (using Equation F-3) and tabular "t" values for each indicator / control station comparison are given in Table F-2. Comparing the calculated and tabular values indicate that there is no statistical difference between the means from indicator locations APC-1, APG-1, APQ-1, and APP-1 and the mean from the control location. F-5.0 GROSS BETA ACTIVITY IN MONTHLY DRINKING WATER COMPOSITES The mean and standard deviations for gross beta activity detected in the monthly drinking water composites obtained during 1990 from the control and indicator stations are given in Table F-3. The mean from each indicator station was compared 'c thc mean from the control station using the standard "t" test Av owtermine if there was a statistical difference. The calculated (using Equation F-3) and tabular "t" values for each indicator / control station comparison are given in Table T-3. Comparing the calculated and tabular values indicate that there is no statistical difference between indicator stations DWG-2 and DWE-5 and control station DWP-7 means. 104 W391665.SA
TABLE F-1 STATISTICAL COMPARISON CF TLD frA-vFGiun As FROM STATIONS GROUPED BY DISTANCE FROM WATERFORD 3 SES Stations Iocated 2-5 Stations Located more than O-2 Miles from the Plant Miles from the Plant 5 elles from the Plant 12.86(13) 13.29(13) Mean 11.63(12) (mrem /std. qtr.) 1.5 1.5 2.3 Standard Deviation (mrem /std. qtr.) 28 28 Number in Sample 64 NA 3.528 1.081 Calculated "t" value to Comparisons with Stations Located more than 5 miles from the Plant ! NA 1.990(a) 2.OO7(a) Tabular "t" value at 95% confidence (to.o,,,_) is lower than those greater than
'a. Results indicate that the mean fer stations located 0-2 miles from the plant 5 miles and for 2-5 miles from the plant means are statistically identical to stations located more than 5 miles from the plant. NOTE: NA means Not Applicable i
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