Text

Annual Radiological Environ Operating Rept for 1994. W/
	ML20082L869
Person / Time
Site:	Waterford
Issue date:	12/31/1994
From:	Burski R; ENTERGY OPERATIONS, INC.
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	W3F1-95-0048, W3F1-95-48, NUDOCS 9504210341
	Download: ML20082L869 (86)
	v • d • e

{{#Wiki_filter:-- O = ENTERGY-ET"e"""" "'""' K* ora LA 70066 i Te! SO4 739 6774 R. F. Burski Daecu I4LCIGitf bd JPf b W3EC4f d 3 C W3F1-95-0048 A4.05 PR April 18, 1995 ) U.S. Nuclear Regulatory Commission ATTN: Document Control Desk ) Washington, D.C. 20555 l

Subject:

Waterford 3 SES Docket No. 50-382 License No. NPF-38 Annual Radiological Environmental Operating Report j Gentlemen: i Attached is the subject 1994 annual report on radiological environmental monitoring which covers the period of January I through December 31, 1994. This report is submitted per Section 6.9.1.7 in the Waterford 3 Technical { Specification (NUREG-1117). l If there are any questions, please contact R.W. Prados at (504) 739-6632. Very truly yours, 4 A R.F. Burski j Director ] Nuclear Safety RFB/RWP/ssf Attachment cc: '(w/ Attachment) L.J. Callan, NRC Region IV, NRC Resident Inspectors Office (w/o Attachment) C.P. Patel (NRC-NRR), R.B. McGehee, N.S. Reynolds 9504210341 941231 g PDR ADOCK 0500 2 1 R. i

ENTERGY 3s ,,,,,,,7 l l l l l l W ATERFORD SES - UNIT 3 h LEADING THE WAY } ( J TO EXCELLENCE &a.c,5 .Ner o ANNUAL RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT 1994 Entergy Operations, Inc.

t 4 i ANNUAL RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT i FOR WATERFORD 3 STEAM ELECTRIC STATION JANUARY 1 THROUGH DECEMBER 31, 1994 9 i e Docket Number: 50-382 3 License Number: NPF-38

ABSTRACT This report is issued pursuant to Waterford 3 Technical Specification 6.9.1.7. Its purpose is to discuss the Waterford 3 Radiological Environmental Monitoring. Program (REMP), present the results of the program for the year of 1994, and evaluate the radiological impact on the environment resulting from plant operation. The Waterford 3 REMP collected data on' environmental radioactivity levels around the Waterford 3 nuclear power plant. These levels c. were determined by analyzing 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 exhibited no discernable impact on the levels of radioactivity in the environment during 1994. e l 1 ,1

d I TABLE OF CONTENTS PAGE l 1 AB ST RA CT................................................................. 11 TABLE OF C0NTENTS........................................................ iv LIST OF TABLES........................................................... i vi j LIST OF FIGURES.......................................................... I

1.0 INTRODUCTION

q 1 1.1 Program and Report 0bjectives................................. 1.2 Plant and Site Description.................................... I 2 2.0 PROGRAM DESCRIPTION................................................ 3 2.1 Hi sto ry and Devel opment....................................... 3 2.2 Responsibilities.............................................. 2.3 Sample Collection and Handling Procedures..................... 4 2.3.1 Direct Radiation Exposure Pathway Samples.............. 4 2.3.2 Airborne Exposure Pathway Samples...................... 5 2.3.3 Waterborne Exposure Pathway Samples.................... 5 2.3.4 Ingestion Exposure Pathway Samples..................... 6 j 7 2.4 Analyti cal Procedures......................................... 2.4.1 Gross Beta Analysis in Air Particulates................ 7 2.4.2 Gross Beta Analysi s in Water........................... 7 l 2.4.3 Tri tium Analysi s in Water.............................. 7 2.4.4 Iodine-131 Analysis in Milk and Water.................. 8 2.4.5 Gamma Spectroscopy Analysi s............................ 8 l 2.4.6 Environmental Dosimetry................................ 8 2.4.7 Lower Limits of Detection.............................. 9 2.5 L aboratory Qu al ity As surance.................................. 9 3.0 DISCUSSION OF RESULTS.............................................. 23 3.1 Direct Radiation Exposure Pathway............................. 23 i 3.2 Airborne Exposure Pathway..................................... 23 0 3.2.1 Ai rborne Parti cul ate s.................................. 23 3.2.2 Airborne Iodine........................................ 24 l 3.2.3 G amm a I s o t o p i c An al y s i s................................ 24 ) ii I

F4 TABLE OF CONTENTS (CONTINUED) I PAGE i 3.3 Waterborne Exposure Pathway................................... 24 '3.3.1. Drinking / Surface Water.................................- 24 3.3.2. Groundwater............................................ 25 3.3.3 Shoreline Sediment..................................... 26 3.4 ' Ingestion Exposure Pathway.................................... 26 3.4.1 Milk................................................... 26 3.4.2 Fish................................................ 27 3.4.3 Broad Leaf Vegetation............................... 27 i 3.4.4 Food Products....................................... 27 3.5 Stati sti cal An alyses........................................ 27 3.5.1 Calculation of the Mean and Standard Deviation...... 27-3.5.2 Comparing Two Sample Popul ation Means............... 28 3.5.3 TLD Measurements.................................... 29 3.5.4 Gross Beta on Air Particulate Filters............... 30 3.5.5' Gross Beta in Monthly Drinking Water Composites..... 30 't 3.6 Deviations from the REMP.................................... 30 3.6.1 Un avail a bl e S ampl e s................................. 30 3.6.2 Missed Lower Limits of Detection.................... 31 3.7 Annual Land Use Census Resul ts.............................. 31 j i

4.0 CONCLUSION

S 38 APPENDIX A - REMP DATA

SUMMARY

42 't REMP DATA............................................... 49 APPENDIX B 1 i R i lii t i

o LIST OF TABLES PAGE TABLE 2.1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (REMP)

SUMMARY

10 TABLE

2.2 DESCRIPTION

OF REMP SAMPLING STATION LOCATIONS............ 11 TABLE 2.3 DETECTION CAPABILITIES FOR ENVIRONMENTAL SAMPLE ANALYSIS, LOWER LIMIT OF DETECTION (LLD).................. 18 TABLE 2.4 ANALYTICAL LABORATORY EPA CROSS CHECK RESULTS............. 19 TABLE 3.1 1994 DIRECT RADIATION DATA ORGANIZED BY COMPASS DIRECTION AND DISTANCE FROM WATERFORD 3 SES............... 32 TABLE 3.2 STATISTICAL COMPARISON OF 1994 TLD MEASUREMENTS FROM STATIONS GROUPED BY DISTANCE FROM WATERFORD 3 SES......... 33 TABLE 3.3 STATISTICAL COMPARIS0N OF GROSS BETA ACTIVITY ON AIR PARTICULATE FILTERS FOR 1994.............................. 34 TABLE 3.4 STATISTICAL COMPARISON OF GROSS BETA ACTIVITY IN MONTHLY DRINKING WATER COMPOSITES FOR 1994................ 35 TABLE 3.5

SUMMARY

OF 1994 REMP DEVIATIONS........................... 36 j TABLE 3.6 1994 ANNUAL LAND USE CENSUS RESULTS....................... 37 TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM

SUMMARY

43 TABLE B-1 QUARTERLY TLD DOSE RATES.................................. 50 TABLE B-2 AIR PARTICULATE FILTERS AND CHARC0AL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES........................ 51 i iv

t^ l l LIST OF TABLES (CONTINUED) PAGE TABLE B-3 AIR PARTICULATE FILTERS: GAMMA ISOTOPIC ANALYSIS ON QUARTERLY COMPOSITES...................................... 56 4 TABLE B-4 DRINKING WATER: 10 DINE-131 ANALYSIS...................... 57 i TABLE B-5 DRINKING WATER: GROSS BETA ANALYSES ON MONTHLY COMPOSITES AND GAMMA IS0 TOPIC ANALYSIS ON MONTHLY j COMPOSITES................................................ 60 TABLE B-6 DRINKING WATER: TRITIUM ANALYSIS ON QUARTERLY COMPOSITES................................................ 66 TABLE B-7 GROUNDWATER: TRITIUM AND GAMMA ISOTOPIC ANALYSES.................................................. 67 t TABLE B-8 SH0 RELINE S0IL: GAMMA IS0 TOPIC ANALYSES.................. 68 5, 1 [ TABLE B-9 MILK: 10 DINE-131 AND GAMMA ISOTOPIC ANALYSES............ 69 TABLE B-10 FISH: GAMMA IS0 TOPIC ANALYSES............................ 71 t t TABLE B-ll BROAD LEAF VEGETATION: 10 DINE-131 AND GAMMA IS0 TOPIC ANALYSES......................................... 73 TABLE B-12 VEGETATION - FOOD PRODUCTS: 10 DINE-131 AND GAMMA IS0 TOPIC ANALYSES......................................... 76 j i TABLE C-1 EPA CROSS-CHECK RESULTS................................... 85 i + V

l' r LIST OF FIGURES i PAGE i FIGURE 2.1 REMP SAMPLE LOCATIONS WITHIN 2 MILES OF WATERFORD 3............................................... 20 FIGURE 2.2 REMP SAMPLE LOCATIONS WITHIN 10 MILES OF WATERFORD 3............................................... 21 1 FIGURE 2.3 REMP SAMPLE LOCATIONS WITHIN 50 MILES OF WATERFORD 3............................................... 22 FIGURE 3.1 DIRECT RADfATION DOSE COMPARIS0N.......................... 39 FIGURE 3.2 GROSS BETA - AIR PARTICULATE COMPARISON................... 40 FIGURE 3.3 GROSS BETA - DRINKING / SURFACE WATER COMPARISON............ 41 e I e i Vi

1.0 INTRODUCTION

This report describes the Radiological Environmental Monitoring Program (REMP) for the Waterford 3 Steam Electric Station and discusses the results obtained during the calendar year 1994. The results discussed in this report were used to evaluate the radiological' environmental impact from the operation of Waterford 3. The submission of this report to the Nuclear Regulatory Commission (NRC) fulfills the requirements pursuant to Waterford 3 Technical Specification 6.9.1.7. 1.1 Program and Report Objectives The objective of the monitoring program is to evaluate the radiological environmental impact of the plant. In order to conduct this evaluation, the data analyses and interpretations contained in this report fulfill the following specific objectives: a. to identify any radioactive materials or radiation in the environment associated with plant operation, b. to compare the results obtained during the reporting period with past operational and pre-operational data and identify any trends associated with accumulation of radioactivity in the environment; and c. to verify compliance with federal regulatory requirements. 1.2 Plant and Site Description Waterford 3 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. 1

l i The plant is located on the west bank of the Mississippi River at l River Mile 129.6 between Baton Rouge and New Orleans, Louisiana. l The site is in the northwestern section of St. Charles Parish l approximately 3 miles southeast of the St. John the Baptist Parish boundary between the towns of Killona and Taft. The Mississippi River is the closest prominent natural feature; other features include Lac des Allemands, about 5.5 miles southwest of the site, and Lake Ponchartrain, about 7 miles northeast of the site. Most of the man-made features are located on the narrow strip of land between the Mississippi River and the wetlands. Specifically, several industrial facilities including Waterford I and 2 Steam Electric Stations (0.4 miles northwest), Little Gypsy Steam Electric Station (0.8 miles northeast), IMC Agrico, a fertilizer manufacturer (0.6 miles east southeast), Oxychem Chemical Company (0.8 miles east southeast), and Union Carbide, a chemical manufacturer (1.2 miles east southeast) are operating in the area. Major urban centers in the region include New Orleans (approximately 25 miles east) and Baton Rouge (approximately 50 miles west northwest). Communities near the site in St. Charles Parish include Killona (0.9 miles west northwest), Montz (1.0 - ~ miles north), Norco (2.5 miles east), Hahnville (3.7 miles east southeast), and Destrehan (6.3 miles east southeast). Laplace (4.7 miles north) is located in St. John the Baptist Parish. 2.0 PROGRAM DESCRIPTION A general summary of the REMP is given in Table 2.1; brief descriptions and locations of the sampling stations are presented in Table 2.2. In addition, station locations are illustrated in Figures 2.1 through 2.3. A more detailed description of the REMP is provided below. t 2

. e,. t 2.1. History and Development 1 The Wat'erford 3 REMP evolved from the Pre-operational Environmental _ Radiological Surveillance (PERS) program'(1978-1982) l and was initiated in April of 1983. Equipment, procedures, . techniques, and sampling locations used during the pre-operational survey.were incorporated into the operational program.

Further, the environmental data collected during the first two years of the REMP (1983 and 1984), price to initial criticality, were used to

~ supplement the baseline established during the PERS Program, j 2.2 Responsibilities Waterford 3 personnel are responsible for implementing and ensuring that the REMP complies with federal regulatory, Technical-j Specification, and Offsite Dose Calculation Manual (0DCM) l requirements. Responsibilities of Waterford 3 personnel include. j collecting (with the exception of fish samples), preparing, and l shipping of environmental samples; conducting environmental j dosimetry measurements; reviewing analytical results reports; and preparing and submitting the annual Radiological Environmental Operating Report and other relevant reports to the Nuclear i Regulatory Commission. The primary contractor, Entergy Services, Inc. (ESI) System Chemistry located in Little' Rock, Arkansas, is responsible for l performing radiological analyses; conducting initial data review; i preparing results reports; and overseeing laboratory quality assurance and control. Additionally, a separate contractor, the Fisheries Co-operative Extension Service of Louisiana State University, is resconsible for the collection of fish samples. i 3

2.3 Sample Collection and Handling Procedures Sample types, location, collection frequency, and the analyses performed are summarized in Tables 2.1 and 2.2. The information contained in these tables is based on requirements specified in i Table 5.8-1 of the Waterford 3 ODCM. Location maps of the sampling are illustrated in Figures 2.1 through 2.3. Any stations deviations (i.e., unavailable samples and missed lower limits of detection) or changes made to the REMP during 1994 are discussed in Section 3.6. The environmental samples collected are classified into four general categories according to exposure pathways: direct radiation, airborne, waterborne, and ingestion. Sample collection and handling procedures are described in the following sections. The descriptions are intended to provide a concise procedural overview rather than a step-by-step description. 3 2.3.1 Direct Radiation Exposure Pathway Samples + Integrated external gamma exposure, determined using Panasonic multi-element thermoluminescent dosimeters (TLDs), was measured at thirty-one locations 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 in ten of the sixteen meteorological sectors, in the six to eight kilometer range from the site; and c. the balance placed in 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. 4

2.3.2 Airborne Exposure Pathway Samples Samples of airborne particulates and radioiodines were collected at four indicator stations (APP-1, APQ-1, APG-1, APC-1) and one control station (APE-30). Low-volume air pumps and flow totalizers in weather proof shelters provided i continuous air sampling. Using the sampling device described above, airborne particulate samples were obtained on a filter and collected weekly by Waterford 3 personnel for shipment to the contract laboratory for gross beta analysis. The filters were composited quarterly 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. 2.3.3 Waterborne Exposure Pathway Samples Because the plant discharges into the Mississippi River, 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 samplers placed at one upstream (DWP-7/SWP-7) and two downstream (DWG-2/SWG-2, DWE-5/SWE-5) locations. Hydrochloric acid was added to each sample prior to shipment. The contract laboratory analyzed the biweekly samples for iodine-131, composited them monthly for gross beta and gamma spectroscopy, and composited them quarterly for tritium analysis. 5 i

i 'Due to the high water. table resulting from shallow aquifers in the vicinity of the site, drainage canal sampling represents groundwater discharge. Groundwater was'obtained l quarterly by grab sampling from one-sampling location (GWK-l 1). Again, hydrochloric acid was added to the sample prior to shipment to the contract laboratory for tritium and gamma j spectroscopy analyses. Shoreline sediment samples were obtained semi-annually from L a sampling station at each plant discharge point. Station SHWE-3 is. located downstream on the shoreline of the. .l l Mississippi River; station SHWK-1 is on the shoreline of the 1 40-Arpent canal. The samples were shipped without-further processing. l~ 2.3.4 Ingestion Exposure Pathway Samples ll' Milk samples were collected semi-monthly from one indicator 'l l location (MKQ-5) and one control location (MKQ-45). Sampling of the control station was performed by Louisiana Radiation Protection Division personnel. Although one additional indicator location was identified (MKQ-1), no samples were available from this location during 1993 ~(see Section 3.6). Finally, formaldehyde was added as a preservative to all samples prior to shipment. Upon arrival at the laboratory, iodine-131 and gamma spectroscopy analyses were performed. Fish samples were collected bi-annually from the Mississippi River upstream (FH-1) and downstream (FH-2) from the plant. A contractor performed the sampling by netting. Subsequently, the fish were segregated by species and location prior to delivery to Waterford 3. The samples were shipped frozen for analysis by gamma spectroscopy. 1 6

I l The Waterford 3 ODCM, Section 5.8.1, requires broad leaf vegetation to be sampled from 3 locations within_5 miles of the plant in the event milk samples are unavailable. Since milk samples were collected from only one sampling locatior, within five miles of Waterford 3, broad leaf vegetation was sampled monthly at two indicator locations (BLQ-1 and BLB-1) and one control location (BLK-15). The samples were shipped without further processing. Food product sampling was not required because no areas surrounding the plant were irrigated with water in which plant wastes are discharged. However, food products grown within the site boundary were collected to demonstrate the absence of radionuclide accumulation. These food product samples (sugarcane) were collected at the time of harvest from two locations (FPG-1 and FPP-1) by normal harvesting techniques and shipped without further processing. Iodine-131 and gamma spectroscopy analyses were i performed. 2.4 Analytical Procedures s 2.4.1 Gross Beta Analysis in Air Particulates ~ After allowing for the radon-222 and radon-220 daughter products to decay, the particulate filters were counted in a gas-flow proportional counter. 2.4.2 Gross Beta Analysis in 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. 2.4.3 Tritium Analysis in Water A known volume of water, 5 milliliters, was added to 15 milliliters of liquid scintillation solution in a 25 milliliter vial. The sample was counted for 500 minutes in a liquid seintillation counter. 7

2.4.4 Iodine-131 Analysis in Milk and Water Approximately four liters of sample were mixed with a stable-iodine carrier solution and eluded through an anion exchange'. resin column to remove iodine from the sample. Iodine analysis was-performed using gamma spectroscopy. The time i between sample receipt and analysis, sample amount, and. 3 count times were adjusted in order to attain the required LLD. The chemical yield was corrected by measuring the stable iodide content of the milk'or water with a specific ion electrode. 2.4.5 Gamma Spectroscopy Analysis q Air particulate filters and iodine cartridges, water, milk, broadleaf vegetation, sediment, food products and fish samples are prepared in containers, using the appropriate geometry for its sample type. Secondly, the sample is counted in a shielded high purity germanium (HPGE) or germanium lithium (GeLi) detector coupled to a computer -based data acquisition system that performs-pulse height analysis. The computer software program defines peaks by changes in ~ the slope of the spectrum, compares each specific peak energy with a library of peaks for isotopic identification, and performs the radioactivity calculation using the appropriate fractional gamma ray abundance, half life, detector efficiency, and net counts in the peak region. Iodine 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. 2.4.6 Environmental Dosimetry Model 00-814 Panasonic thermoluminescent. dosimeters (TLDs) that contain one lithium borate and three calcium sulfate phosphor elements were used for environmental dosimetry. However, only the calcium sulfate phosphor elements were used for analysis. For placement in field, two annealed dosimeters are placed inside a plastic bag and mounted in an aluminum frame. The dosimeters are checked monthly and exchanged for analysis each quarter using an automatic TLD reader manufactured by Panasonic (Model UD-710). 8 L

2.4.7 Lower Limits of Detection (LLD) The minimum sensitivities for the analytical procedures are reflected by the Lower Limits of Detection (LLD) values presented in Table 2.3 from Table 5.8-3 of Waterford 3 ODCM. The LLD's are a oriori estimates based on assumed sample volumes, counting times, detector efficiencies, etc. Analyses that could not achieve these lower limits of detection are discussed in Section 3.6. 2.5 Laboratory Quality Assurance During 1994, the ESI System Chemistry laboratory performed between 5% and 10% of all analyses for quality assurance purposes. Spiked and blank samples were prepared in-house. In addition, the laboratory participated in the EPA Radiological Interlaboratory Comparison (cross-check) Program. This quality assurance program satisfies the requirements of the Waterford 3 ODCM, Section 5.8.2, for participation in an interlaboratory comparison program. The program involved analyses on various sample media typically found in the REMP. As a result of participation in the program, an objective measure of analytical precision and accuracy was obtained. In the event that results obtained by ESI System Chemistry were not within control limits (3 standard deviations), an investigation was conducted to determine the cause, and corrective action was taken to prevent a recurrence. Table 2.4 lists the 1994 results of the laboratory's participation in the cross-check program. 9 i

TABLE 2.1 RADIOLOGICAL ENVERONEMNTAL MONITORINGPROGRAM (REMP) SUPRARY' SAMPLE TYPE LOCATION ANALYSIS ' FREQUENCY DIRECT RADIATION A-2, B-1, C-1, D-2, E-1, F-2, G-2, i-2, TLD Gamma Quarterly 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, R-6, G-9, E-15, J-15, E-30 AIR RADI0 IODINE AND APP-1, APQ-1, APG-1, APC-1, APE-30 Gross Beta Weekly PARTICULATES I-131 Quarterly Composite Gama Isotopic DRINKING WATER' DWG-2, DWE-5, DWP-7 H-3 Quarterly Composite Gama Isotopic Monthly Composite l Gross Beta I-131 Bi-Weekly Composite SURFACE WATER' SWG-2, SWE-5, SWP-7 H-3 Quarterly Composite Gamma Isotopic Monthly Composite Gross Beta I-131 Bi-Weekly Composite GROUND WATER GWK-1 H-3 Quarterly Gamma Isotopic SHORELINE SEDIMENT SHWE-3, SHWK-1 Gama Isotopic Semi-Annually MILK MKE-4, MKQ-5, MKQ-1, MKP-45 Gamma Isotopic Semi-Monthly I-131 BROAD LEAF BLQ-1, BLB-1, BLK-15 Gamma Isotopic Monthly I-131 When milk samples are not collected l FISH FH-1, FH-2 Gama Isotopic In season or Semi-Annually FOOD PRODUCTS FPG-1, FPP-1, FPQ-1 Gamma Isotopic At harvest time I-131 a. Based on requirmants in Table 5.8-1 of Waterford 3 sEs Offsite Dose Calculational Manual. section 5.8-1. j b. Drinking and surface water samples are identical. i 10 /

TABLE

2.2 DESCRIPTION

OF RENP SAMPLING LOCATIONS J LOCATION LOCATION DESCRIPTION DISTANCE MET 0R0 LOGICAL FRON PLANT DIRECTION. DIRECT RADIATION (TLD) 1 A-2 (Eastbank) located on a utility pole on River Road (LA 628) at the south corner of the 1.1 N Zephrin L. Perriloux Fire Station (Station 5) in Mont2. La. B-1 (Eastbank) On fence enclosing the transmission tower 0.3 miles west (up-river) frm Little 0.8 ME Gypsy. Access from River Road (LA 628). TLDs are located at SW corner of fence enclosure. C-1 (Eastbank) On fence enclosing the Little Gypsy Cooling Water Intake. Access is frm River 0.8 NE Road (LA 628) across from Little Gypsy Steam Electric Station entrance. RDs are on the south side (inside) of the Cooling Water Intake fence enclosure. directly opposite the entrance gate. D-2 (Eastbank) Located approximately 0.3 miles east of Little Gypsy Power Station. Access frm 1.1 ENE River Road (LA 628). RDs are attached to a stop sign post located at the peak of the levee on the west entrance road through the Bonne Carre spillway. + E-1 (Westbank) located on utility pole along River Road (LA 18) approximately 0.3 miles east of 0.2 E Waterford 3 plant entrance. Access from LA 18. RDs are on the third utility pole east of the construction entrance road. F-2 (Westbank) Located on fence enclosure surrounding the LP&L 1.1 ESE tubstation on LA 3142. Access from LA 3142 approximately 0.2 miles south of LA 18. RDs I are on the southeast corner of the fence enclosure 11

TABLE

2.2 DESCRIPTION

OF RENP SANPLING LOCATIONS LOCATION LOCATION DESCRIPTION DISTANCE-NET 0R0 LOGICAL 1 n FRON PLANT DIRECTION G-2 (Westbank) located on utility pole on east side of LA 3142 (Next to Union Carbide Star 1.2 SE Plant Gate 3). Access from LA 3142 approximately 0.2 miles north of railroad overpass H-2 (Westbank) Located on fence enclosure to shell road off of LA3142. Access frm LA 3142 1.2 SSE south of railroad overpass on east side of LA 3142. TLDs are on the south side of the cate for shell road (just south of Texaco pipeline station). J-2 (Westbank) Located on northeast corner of fence enclosing Texaco valve station south of LA 1.3 S 3127. Access from LA 3127. approximately 0.6 miles west of LA 3127/3142 intersection. K-1 (Westbank) located on fence at Gate 92 entrance off of LA 3127. Access frce l A 3127. 1.0 SSW approximately 1.3 miles west of LA 3127/3142 intersection. (Gate 92 is the access to the Waterford 3 switchyard station and training center.) L-1 (Westbank) located next to " Private Road" sign at LP&L Gate 97 entrance off of LA 3127. 1.0 SW approximately 1.6 miles west of LA 3127/3142 intersection. (Gate 97 is an access road for Waterford 3.) N-1 (Westbank) Located on south gate into the Waterford 1 and 2 SES fuel oil storage tank 0.7 WSW enclosure. Access is either thru LP&L Gate 92. Gate 97 off of LA 3127. the shell access road from LA 18 between Waterford 3. or through tie Waterford I and 2 SES access road. N-1 (Westbank) Located behind the "No Trespassing" sign off of Short Street, in Killona. just 0.9 W south of the entrance to Killona Elementary School. P-1 (Westbank) Located on Short Street, in Killona. TLD is inside fence at air sample station 0.8 WNW APP-1. 12 _ _ _ _ _ _ _ _ - - - = _ _ _ - _ _ _

TABLE

2.2 DESCRIPTION

OF RENP SANPLING LOCATIONS LOCATION LOCATION DESCRIPTION DISTANCE-NET 0R0 LOGICAL, FRON PLANT DIRECTION Q-1 (Westbank) located on fence enclosing air sample station approximately 0.5 miles t of 0.8 NW Waterford 1 and 2 on River Road (LA 18). R-1 (Westbank) located on fence enclosure for Waterford 1 and 2 Cooling Water Intate Structure. 0.5 NNW Access is from River Road (LA 18) opposite Waterford 1 and 2. TLDs are on the southwest corner of fence. A-5 (Eastbank) Located on utility pole just east of the Shacty Nook Trailer Park on Ny 61 in 4.5 N Laplace. TLDs 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 just east of shell access road to South Central Bell 3.8 NNE transmission tower on south side of Hwy 61. Transmission tower is just east of weigh stetion at St. John /St. Charles Parish li e TLDs are on the first utility pole east of access road. D-5 (Eastbank) located on fence gate on shell access road to Big 3 Chemical Plant. Shell 4.2 ENE 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. E-5 (Eastbank) located on the Norco Substation fence enclosure. Access from River Road (LA 48) 4.2 E onto Wesco St. (adjacent to Norco Shell Chemical Plant), take Wesco St. to the dead end. TLDs are located on sixth fence post south of the north substation gate. F-4 (Westbank) located on utility pole behind blonde brick house on Aquarius St. in Hahnville. 3.5 ESE 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. 13

~ = TABLE

2.2 DESCRIPTION

OF REMP SAMPLING LOCATIONS LOCATION LOCATION DESCRIPTION DISTANCE METOR0 LOGICAL FRON PLANT -DIRECTION-G-4 (Westbank) Located on railroad sign northwest side of LA 3160/ railroad track intersection. 3.2 SE Access from either LA 3127 or River Road (LA 18) onto LA 3160. H-6 (Westbank) located on a road sign on the northwest side of the second canal bridge east of 5.7 SSE LA 3160 along LA 3127. P-6 (Westbank) Located on a fence surrounding the Union Pacific communications tower at the LA 5.5 WNW 640/ railroad intersection approximately 500 ft. frm LA 640. Q-5 (Westbank) Located on fence post surrounding (green) river marker on levee just east of 5.0 NW Edgard. Fence post is located along River Road (LA 18) across from the Webre's house. R-6 (Eastbank) Located on fence enclosing LP&L laydown yard on LA 3223 in Laplace. Access from 5.3 NNW Hwy 61 onto Elm St. (LA 3223), take Elm St. to the northeast corner of LA 3223/ railroad intersection. TLDs are located on the southeast corner of fence enclosure. F-9 (Eastbank) located on entrance gate to Destrehan Substation. Access from River Road (LA 8.2 ESE 48). approximately 1.5 miles east of Luling-Destrehan Ferry. onto Jonathan Street (west of Bunge Corp. Grain Elevator), and proceed to substation gate. G-9 (Westbank) located on back fence of LP&L District Office in Luling. Access via Ellington 8.I SE St. from either River Road (LA 18): or Second or Third St. from Paul Hallaird Rd. (LA 52) to Ellington St. E-15 (Eastbank) Located on Kenner Substation fence enclosure. Access f.om either River Road (LA II.8 E

48) or Hwy 61. turn onto Alliance Ave. TLDs are located on the north side of the fence enclosure, near a light pole.

14

TABLE

2.2 DESCRIPTION

OF RENP SANPLING LOCATIONS LOCATION LOCATION DESCRIPTION DISTANCE NET 0ROLOGICAL' FRON PLANT DIRECTION J-15 (Westbank) Located on fence enclosure surrounding LP&L switchyard at LA 631/ Hwy 90 12.0 S intersection in Des Allemands. TLDs are on the northwest corner of fence. Access from LA 631 via shell road. E-30* (Westbank) at LP&L General Office on Delaronde St. in Algiers. TLDs are in the courtyard at 27.0 E the south entrance to the building. AIRBORNE APP-I (Westbank) located in soybean / sugarcane field at northwest corner of Short St. in Killona. 0.8 WNW APQ-I (Westbank) located at northwest corner of soybean / sugarcane field on east side of Killona. 0.8 NWO Access from River Road (LA 18) approximately 0.6 miles east of LA 18/3141 intersection. APG-1 (Westbank) located at the north side of the Secondary Heteorological Tower. 0.5 SE APC-I (Eastbank) located inside the Little Gypsy Cooling Water Intake Structure fence enclosure. 0.8 NE APE-30* (Westbank) Located on the roof of the LP&L General Office building on Delaronde St. in 27.0 E Algiers. WATERBORNE DWG-2 (Westbank) located at the Union Carbide drinking water canal. Access from LA 3142 through 2.0 SE SWG-2 Gate 28. DWE-5 (Eastbank) Located at the St. Charles Parish Waterwrks off of River Road (LA 48) near New 4.5 E SWE-5 sarpy. 15

TABLE

2.2 DESCRIPTION

OF REMP SAMPLING LOCATIONS LOCATION LOCATION DESCRIPTION DISTANCE METOROLOGICAL FROM PLANT DIRECTION DWP-7* (Westbank) located at the st. John Parish Waterworks off of LA 18 in Edgard. 6.5 WNW SWP-7* SHWE-3 (Westbank) located at the Foot Ferry Landing off of LA 18 in Taft. 3.0 E SHWK-1 (Westbank) located at the 40 Arpent Canal south of the Plant. Access fran LA 3127 through 0.5 SSW Gate 92 GWK-1 (Westbank) located at 40 Arpent Canal south of the plant. Access from LA 3127 through LP&L 0.5 SSW Gate 92 which is at the Waterford 3 Training Center. The canal is northwest of the shell access road / railroad track intersection. I INGESTION (MILK) MKQ-1 (Westbank) 1.0 miles west of Waterford 3 sES at the corner of River Road and Post Street in 1.0 NW Killona. MKQ-5 (Westbank) located at the Webre's house. Just across LA 18 from river marker at the 4.9 NW eastern end of Edgard. i MKQ-45* (Eastbank) Located off of I-12 in Denham springs. take LA 3002 south to LA 1034. then right 42 NW to LA 1032. then left. Farm is 1 mile on the right. INGESTION (BROAD LEAF VEGETATION) BLQ-1 (Westbank) located between LA 18 and soybean field on eastern edge of Killona. near air 0.8 NW sample station APO-1. 16

TABLE 2.2 DESCRIPTIOF OF RENP SANPLING LOCATIONS P WP LOCATION LOCATION DESCRIPTION DISTANCE NET 0R0 LOGICAL ~ FRON PLANT DIRECTION BLB-1 (Eastbank) located at wooaed area at the southwestern corner of the L/a little Gypsy plant 0.8 000E along River Road. BLK-15* (Westbank) located 3.5 miles 55W of Des Allemands on Hwy. 90. 15 SSW INGESTION (FOOD PRODUCTS) FPP-I (Westbank) located in sugarcane / soybean field on eastern edge of Killona. between air 0.8 WNW sample stations APP-1 and APO-1. FPG-1 (Westbank) located in a sugarcane / soybean field east of Waterford 3 near the back-up 0.4 SE meteorological tower and air sample station APG-1. INGESTION (FISH) FH-1* (fostream of the plant intake structure. NA** NA** FH-2 Downstream of the plant discharge structure. NA** NA** 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 dmonstrate the absence of man-made radionucildes.

17

l TABLE 2.3 DETECTION CAPABILITIES FOR ENVIRoletENTAL SAMDE1EALYSIS LOWER LIMIT OF DETECTION (LLD)-(*3 WATER AIRBORNE PARTICULATE FISH MILK F000 PRODUCTS

SEDIMENT ANALYSIS (pCi/1)

OR GAS (pCi/m') (pCi/kg-wet) (pCi/1) (pCi/kg-wet) (DCi /kO-dry) '- gross beta 4 0.01 H-3 2000 Mn-54 15 130 Fe-59 30 260 Co-58, 60 15 130 Zn-65 0 260 Zr-Nb-95 15 I-131 1 0.07 1 60 Cs-134 15 0.05 130 15 60 150 Cs-137 18 0.06 150 18 80 180 8a-La-140 15 15 a. Fran Table 5.8-3 of Waterford 3 SEs Offsite Dose Calculation Manual. b. Appilcable to broad leaf vegetation. 18

TABLE 2.4 ANALYTICAL LABORATORY EPA CROSS CHECK RESULTS ~ EPA PREP DATE MEDIA NUCUDE EPA ESI, SYSTEM NORM DEV. DATE RESULTS RESULTS CHEMIS'IRY KNOWN ISSUED RESULTS 10/19/93 02/11/94 WATER Beta 58.00 57.00 -0.17 BUNDB Co-60 10.00 10.00 0.00 (pCi/L) Cs-134 12.00 10.00 0.69 Cs-137 10.00 12.00 0.69 11/12/93 02/15/94 WATER Co-60 30.00 31.33 0.46 GAMMA Zn-65 150.00 155.00 0.58 (pCi/L) Ru-106 201.00 162.33 -3.35

Cs-134 59.00 58.67 0.12 Cs-137 40.00 41.00 0.35 Ba-133 79.00 81.67 0.58 01/28/94 04/15/94 WATER Gross Beta 62.00 54.00

-1.39 (pCi/L) 02/04/94 04/20/94 WATER l-131 119.00 119.67 0.10 (pCi/L) 03/04/94 07/25/94 WATER H-3 4936.0 4766.67 -0.59 (pCi/L) 04/19/94 08/11/94 WATER Beta 117.00 103.33 -1.32 BUND B Co-60 20.00 21.00 0.35 (pCi/L) Cs-134 34.00 33.33 -0.23 Cs-137 29.00 32.33 1.15 07/22/94 10/21/94 WATER Gross Beta 10.0 12.67 0.92 (pCi/L) 08/05/94 10/25/94 WATER H-3 9951.0 10003.33 0.09 (pCi/L) 10/07/94 01/12/95 WATER I-131 79.0 76.67 -0.51 l (pCi/L)

New efficiency cunes were determined for the gamma counters. Recalculation using the new efficiency curves gives results within the control limits.

19

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3.0 DISCUSSION OF RESULTS Analytical results for the year 1994 are discussed in this section by exposure pathway, sample type, and analysis performed.

Further, analytical results focusing only on man-made radioactivity are summarized in Appendix A; data for the individual analyses are presented in the tables of Appendix B.

3.1 Direct Radiation Exoosure Pathway The average exposure rates measured by thermoluminscent dosimeters (TLDs) at both control and indicator stations were 13, 14, 11, and 12 mrem / standard quarter for the first, second, third, and fourth quarters of 1994 respectively. The average exposure rate of the 118 indicator TLD locations was 13 mrem / standard quarter compared to 11 mrem / standard quarter average exposure rate at the control location. The lowest and highest individual exposure rates were 7 mrem / standard quarter (C-1 and F-9, 3rd quarter) and 18 mrem / standard quarter (R-6, 2nd quarter), respectively, for all locations. Table 3.1 compares the indicator TLD results by directional sector and distance from the facility. A comparison of directional sectors indicates the highest average exposure rate in 1994 to be 14 mrem / standard quarter in Sector G. The average exposure rates during 1994 are consistent with those from the pre-operational program and the previous five years of operation (Figure 3.1). In particular, the pre-operational survey indicates that exposure rates ranged between 11 and 33 mrem / standard quarter with an average of 20 mrem / standard quarter. Similarly, the range indicated during the previous five years of operation was from 7 to 24 mrem / standard quarter with an average exposure rate of 13 mrem / standard quarter. 3.2 Airborne Exoosure Pathway 3.2.1 Airborne Particulates Gross beta activity ranged from 0.004 pCi/m (APG-1,2/8-2/22 and APC-1 and APE-30,2/8-2/14) to 0.039 pCi/m3(APG-1, 3 8/30-9/6) with an average of 0.018 pCi/m for 260 measurements from all five locations. The average gross beta activity for the indicator (APG-1, APQ-1, APP-1, APC-1) 3 3 locations was 0.018 pCi/m compared to 0.018 pCi/m at the control (APE-30) location. 23

l The gross betr> activity results obtained during 1994 are consistent with those from the pre-operational program and the previous five years of operation (Figure 3.2). Specifically, the pre-operational survey indicates that in periods not significantly influenced by nuclear weapons testing the gross beta activity ranged between 0.007 and 3 0.48 pCi/m with an average of.08 pCi/m. Similarly, the range indicated during the previous five years of operation was from 0.003 to 0.039 pCi/m with an average activity of 0.016 pCi/m. 3.2.2 Airborne Iodine All of the 260 airborne iodine-131 results were below the calculated lower limit of detection (LLD). The sample LLD variability (0.011 to 0.041 pCi/m ) was due primarily to the difference in air sample volumes. 3.2.3 Gamma Isotopic Analysis l Gamma spectroscopy results of the twenty air sample quarterly composites indicate that no man-made radionuclides were detected above their respective lower limits of detection. i 3.3 Waterborne Exoosure Pathway 3.3.1 Drinkina/ Surface Water As mentioned previously, drinking water samples also serve as surface water samples for Waterford 3. Therefore, monthly and quarterly gamma spectroscopy analyses of i drinking water and quarterly tritium analyses also satisfy the surface water sampling requirement. i Seventy-eight composite drinking / surface water samples were analyzed by gamma spectroscopy for iodine-131 (Table B-4). i Iodine was detected in one indicator sample (DWE-5, 4/19-5/3) and in one control sample (DWP-7, 4/19-5/3) at an average concentration of 0.2 pCi/1. Iodine-131 was detected in several preoperational samples at an average concentration of 0.4 pCi/1. The levels detected in the 1994 samples were well below reporting levels and the LLD required by the Waterford 3 ODCM. Additionally the high degree of uncertainty associated with these measurements could indicate that these results are an artifact of counting statistics. 24 s

h 1 Gross beta activity was detected'in thirty-one of the ~ - thirty-nine composites with f a range of 1.4;(DWG-2,: 2/8-3/8)- to 12.4 (DWP-7, 7/26-8/23) pC1/1 and an' average activity of-4.3 pCi/1. The-average activity for the control location,' DWP-7,-was 5.1 pC1/1 compared to the averages of 3.7 and'5.2 pCi/l for indicator. stations DWG-2.and DWE-5.respectively. ) Analyses for grose beta in drinking / surface water were not-performed during the pre-operational survey. However, in -) . order to fulfill comparison requirements, 1994 data will be' compared to data from the 1983 report and the previous five years of operation. ) The gross beta activity results obtained during 1994 are l consistent with those from the_'1983 reporting period and the i previous five years of operation (Figure 3.3). In particular, the 1983 survey indicates that in periods not significantly influenced by nuclear weapons testing the gross beta activity ranged between 2.9 and 14.0 pCi/l with an average of 7.0 pCi/1. Similarly, the range indicated i during the previous five years of operation was from 1.1 to 11.7 pC1/1 with an average activity of 4.5 pCi/1. l Tritium analysis of drinking / surface water samples. indicate j that all of the twelve measurements were below the calculated LLD. j i 3.3.2 Groundwater i Four groundwater samples were collected from one sampling j location, GWK-1, and analyzed for tritium and gamma emitters. Results from all gamma and tritium ~ analyses l indicate that all measurements were below the calculated ) LLDs. l The tritium concentrations detected in 1994 are consistent with those from the pre-operational program and the previous five years of operation. In particular, the pre-operational l survey indicates that tritium _ concentrations in groundwater samples ranged between 50 and 180 pCi/1 with an average of 121 pCi/1. Similarly, the range indicated in the previous i five years of operation was from 270 to 650 pCi/1. i l \\ 25

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 (SHWK-1). 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 samples from station SHWK-1 at concentrations of 62 and 33 pCi/kg(dry). No other man-made radionuclides were detected in any of the samples. The cesium-137 results obtained during 1994 are consistent with those from the pre-operational program and the previous five years of operation. In particular, the pre-operational survey indicates that cesium-137 was detected in 9 of 14 soil samples at concentrations ranging between 30 and 890 pCi/kg(dry) with an average concentration of 164 pCi/kg (dry). Similarly, the range indicated during the previous five years of operation was from 18 to 66 pCi/kg (dry) with an average activity of 41 pCi/kg (dry) respectively. Further, studies in Louisiana indicate that cesium-137 is commonly found in soils and sediments as a result of atmospheric weapon testing. Because the cesium-137 levels are consistent with pre-operational values and cesium-137 has been shown to be present in most Louisiana soils, these cesium-137 levels are more than likely attributable to weapon testing fallout. 3.4 Incestion Exposure Pathway 3.4.1 Milk Forty-eight milk samples were collected from two sampling locations and analyzed by gamma spectroscopy and a radiochemical procedure for iodine-131. Naturally occurring potassium-40 was detected in all samples. Results from iodine-131 analyses indicate that that all measurements were below the calculated LLD. Further, naturally occurring potassium-40 was detected in all sample and cesium-137 was detected in two control samples (MKQ-45, 5/31 and 6/14) at a concentration of 3.0 +/- 2.0 pCi/1. However, the levels of cesium-137 detected in these conttol samples are below both the reporting levels and the LLD required by the Waterford 3 ODCM and have a high level of uncertainty associated with them. 26

'3.4.2 Fish Sixteen fish samples, eight upstream and eight 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. 3.4.3 Broad Leaf Veaetation Thirty-six broad leaf vegetation samples were collected and analyzed by gamma spectroscopy and a radiochemical procedure for iodine-131. Naturally occurring radionuclides were detected in all of the samples; however, no man-made radionuclides were detected above their calculated LLDs. 3.4.4 Food Products Two food products samples were collected and analyzed by gamma spectroscopy and a radiochemical procedure for iodine-131. Naturally occurring potassium-40 was detected in all the samples; however, no man-made radionulides were detected above their calculated LLDs. 3.5 Statistical Analyses O 3.5.1 Calculation of the Mean and Standard Deviation 1 The mean and standard deviation for different groups of analyses are calculated using the following equations: ) i (F-1) X=f,.,E n (F-2) ) 1 fn 30' [ (X, - Xf s- ~ (n-1) where: x = mean of sample population, s - standard deviation of sample population, n - number of samples in sample population, and x i - value of the l'th sample. 27

4 l 3.5.2 Comparing Two Sample Population Means The means of two sample populations are compared for 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 standard 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 from the equation below (obtained from the CRC Standard Mathematical Tables, 26th Edition (1981)): (F-3) X-Y 3 a5 f(H-l)S+H-l S, 1 1 35 0 2 r y _+_ Hs+Hy'2 <H-Hy> g where: t = calculated "t" value, x = mean of first data set, y - mean of second data set, n x = number of variables in first data set, s x = standard deviation of first data set, n y - number of variables in second data set, and s y - standard deviation of second data set. If the data from both sample populations are treated 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)): (F-4) 2(n)" Ss 28

2 i where: d - the _ average of the difference between the correlated l ~ data points from the two sample populations. .i ' ~ Y'E d = $.., l N l 1 x i - the i'th data point from population x, y i = the 1.'th data point from population y, 'i ~ N the number of correlated pairs of data points, n - degrees of freedom, for equation F-4, n-N-1, and-j s 'a-the standard deviation of the difference between the correlated data points. i The calculated "t" value in both cases is used to test the hypothesis that the true mean of the first population (m x) ) is equal to the' true mean of the; second population (m' y) j assuming that the true standard deviations of both populations are equal (m x - m.y). The calculated "t" value is compared to a tabular "t" value such that: a. if t > t p,n.then reject the hypothesis when m x>m y, b. if t < -t p,n then reject the hypothesis when m x<m y, t c. if t > t #/2.n then reject the hypothesis when m x = m'y, where t pfz.n and t p,n are the tabular "t" values, with a preselected error (5 percent in l this case). confidence level (1 - p) or (1 - + p/2), and degrees of freedom n (n-n x+n -2 for 1 y 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). 3.5.3 TLD Measurements i TLD stations were categorized by distance into three groups: 0-2 miles, 2-5 miles, and >5 miles from the plant. A statistical analysis using the standard "t" test (described i above) was performed comparing the average exposure rates i from 0-2 miles and 2-5 miles to the average exposure rate at' >5 miles. In short, the results of the analyses indicate that the average exposure rate at 0-2 miles and 2-5 miles to be statistically the same as at >5 miles. Table 3.2 summarizes the results of this analysis. 29 l a

4 + i ) 3.5.4 Gross Beta Activity on Air Particulate Filters _ s Additionally, the standard' "t" test was used.to compare average gross beta activity from each indicator station to ] the average gross beta activity at the control station. The results from this test show average activity detected at all. indicator stations (APG-1,~APQ-1, APC-1, and APP-1) to be statistically the same as the activity detected at the + 4 control station. 3.5.5 Gross Beta Activity in Monthly Drinking Water Composites Finally, the standard "t" test was used to compare average l gross beta activity from the two indicator stations to the j average gross beta activity from the control station. The results from this test show average activity at indicator j stations-(DWG-2 and DWE-5) to be statistically the same as l the average activity detected at the control station. Table 3.4 summarizes the result of this analysis. i 3.6 Deviations from the REMP l 3.6.1 Unavailable Samples t Deviations from the REMP associated'with missing TLDs-I resulted from theft of the dosimeters and were beyond the control of Waterford 3. Two TLDs were discovered missing from locations D-2 and F-9 during dosimeter change-out at the end of the-first quarter. Consequently,.the missing TLDs were replaced and the deviation recorded. j All scheduled air samples were available for analysis during. -{ the 1994 reporting period. However, eight air samples failed to meet the requirement for sample continuity. While two failures were due to a power failure at the sample locations and one failure was the result of equipment malfunction, the other five continuity failures were the result of planned shut downs to. facilitate tubing and valve upgrades on the sample equipment. I l Milk samples were not available during 1994 from'the animal l owners at station MKQ-1 since the cows are not currently producing milk for human consumption. With the absence of' i milk samples at these stations, broad leaf vegetation sampling was performed. l A list of deviations and associated explanations is provided in Table 3.5. 30 l i i

3.6.2 Missed Lower Limits of Detection All lower limit of detection requirements were met for 1994. 3.7 Annual Land Use Census In compliance with Waterford 3 ODCM, the annual land use census was conducted on October 12, 13, 14, and 20, 1994. The nearest residence, garden, and milking animal in each sector within a five mile radius of the plant were located by visual inspection and verbal inquiry. While residence locations remained unchanged for 1994, minor i changes in garden locations were observed as recorded on Table 3.6. Additionally, large tracts of sugar cane are still being cultivated near the plant and remain classified as food products. One new location for milk cows and several new locations for goats were identified as a result of this census; however, in all cases it was determined that the animals are not currently producing milk for human consumption. This information was ascertained by verbal inquiry with the owners of the animals.. Additionally, the cows previously located in Sector R at 4.9 miles from the plant have been removed. As a result of the interviews, Waterford 3 personnel obtained an agreement that the animal owners will se11 milk samples to Waterford 3 in the event of a radiological emergency to provide additional data for analysis of environmental impact i i 31

~ l TABLE 3.1 1994 DIRECT RADIATION DATA ORGANIZED BY COMPASS DIRECTION AND DISTANCE FROM WATERFORD 3 SES BY COMPASS DIRECTION I SECTOR COMPASS AVERAGE STANDARD NUMBER DIRECTION DOSE RATE DEVIATION IN (mrem /std qtr) (mrem /std GROUP atr) A N 14 1.06 8 B NNE 12 1.52 8 C NE 10 2.24 4 D ENE 12 1.08 8 E* E 12 0.76 12 F ESE 12 1.19 11 1 G SE 13 0.96 12 H SSE 13 0.94 8 J S 12 1.67 8 K SSW 12 0.65 4 L SW 14 0.56 4 M WSW 13 1.60 4 i N W 12 2.59 4 P WNW 13 0.96 8 Q NW 13 1.63 8 R NNW 11 0.65 8 CONTROL E 11 1.28 4 BY DISTANCE FROM PLANT DISTANCE AVERAGE STANDARD NUMBER FROM PLANT DOSE RATE DEVIATION IN (MILES) (mrem /std qtr) (mrem /std qtr) GROUP 0-2 12 1.29 63 2-5 13 1.50 28 5(a) 13 1.50 27 CONTROL 11 1.79 4

Does not include control station dato.

l 32

TABLE 3.2 STATISTICAL COMPARISON OF 1994 TLD MEASUREMENTS FROM STATIONS GROUPED BY DISTANCE FROM WATERFORD 3 SES Stations Located 0-2 Stations Located 2-5 Stations Located more than 5 Miles from the Plant Miles from the Plant Miles from the Plant Mean 12.45(13) 13.30(13) 13.32(13) (mrem /std.qtr.) Standard Deviation 1.97 1.86 2.09 (mrem /std. qtr.) Number in Sample 63 28 27 Calculated "t" Value to 1.15 0.76 NA* Comparisons with Stations Located more than 5 miles from the Plant Tabular "t" Value at 1.986(a) 2.006(a) NA* 95% Confidence (to.ozs.n) a. Results indicate that the means for stations located 0-2 miles and 2-5 miles from the plant means are statistically identical to the mean for stations located more than 5 miles from the plant.

Not Applicable 33

TABLE 3.3 STATISTICAL COMPARISON OF 1994 GROSS BETA ACTIVITY MEASUREMENTS ON AIR PARTICULATE FILTERS FROM WATERFORD 3 SES SAMPLE STATION APC-1 APG-1 APP-1 APQ-1 APE-30 Mean 15.0 14.8 13.1 14.3 15.4 (10pCi/m') Standard Deviation 6.98 5.65 5.55 4.99 4.45 i (10pci/m') Number in Sample 52 52 50 52 52 Calculated "t" Value 1.00 0.17 1.52 0.31 NA* Comparing Control Station (APE-30) to Indicator Station Tabular "t" Value at 1.986 1.986 1.987 1.986 NA* 95% Confidence (to.m,n) a. Results indicate that the means for indicator stations APC-1, APG-1,, APP-1, and APQ-1 are statistically identical to mean for the control location DWP-7.

Not Applicable 34

TABLE 3.4 STATISTICAL COMPARISDN OF 1994 GROSS BETA ACTIVITY MEASUREMENTS IN DRINKING / SURFACE WATER SAMPLES FROM WATERFORD 3 SES DWG-2 DWE-5 DWP-7 Mean 6.3 5.8 4.9 (pCi/ liter) Standard Deviation 1.8 2.9 3.9 (pCi/ liter) Number in Sample 12 9 12 Calculated "t" Value to 1.09 0.02 NA* Comparing Control Station DWP-7 to Indicator Station Tabular "t" Value at 2.080(a) 2.120(a) NA* 95% Confidence (to.02s.n) a. Results indicate that the means for indicator stations DWG-2 and DWE-5 are statistically identical to mean for the control location DWP-7.

Not Applicable 35

t TABLE 3.5 SlH mRY OF 1992 REMP DEVIATIONS SAMPLE TYPE l ANALYSIS LOCATION DATE l EXPLANATION OF DEVIATION MISSED SAMPLES 1. Direct N/A* D-2 First Quarter TLD Missing Radiation 2. N/A* F-9 First Quarter TLD Missing LACK OF SAMPLE CONTINUITY 1. Water N/A* DWE-5 04/19/94 - 05/03/94 Spilled in auto accident. 2. N/A* DWP-7 05/31/94 - 06/14/94 Tubing found missing. 3. N/A* DWG-2 07/12/94 - 07/26/94 Sample pump malfunction. 4. N/A* DWG-2 08/23/94 - 09/06/94 Sample pump malfunction. 5. Air N/A* APG-1 02/08/94 - 02/14/94 Flow tubing / valve upgrade. 6. N/A* APQ-1 02/08/94 - 02/14/94 Flow tubing / valve upgrade. 7. N/A* APP-1 02/08/94 - 02/14/94 Flow tubing / valve upgrade. 8. N/A* APC-1 02/22/94 - 03/01/94 Flow tubing / valve upgrade. 9. N/A* APE-30 02/22/94 - 03/01/94 Flow tubing / valve upgrade. l 10. N/A* APQ-1 05/31/94 - 06/07/94 Power failure /inclimate weather. 11. N/A* APP-1 05/31/94 - 06/07/94 Power failure /inclimate weather. 12. N/A* APP-1 06/14/94 - 06/21/94 Sample pump malfunction. MISSED LLDs i l NONE N/A* N/A* N/A* N/A*

Not Applicable F

l 36

TABLE 3.6 l 1994 ANNUAL LAND USE CENSUS RESULTS l SECTOR DIRECTION DISTANCE FROM PLANT IN MILES BEEF MILK MILK FOOD COW COW GOAT GARDEN RESIDENCE PRODUCTS A N 3.5 4.9' 3.9' 1.7 1.3 4.1 B NNE 1.3 1.1 C NE 1.3 0.9 0.9 D ENE 0.9 0.9 E E 2.3 2.3' 2.2 2.2 0.3 F ESE 2.3 3.1' 2.2 3.1 0.3 G SE 2.4 4.1 4.0 0.3 H SSE 0.3 J S 0.5 K SSW 0.5 L SW 0.5 M WSW 1.0 1.4 0.5 N W 1.0 1.1 0.9 0.6 P WNW 0.9 0.9 0.9 0.5 Q NW 0.9 4.9a.b 0.9 0.9 0.5 R NNW 2.3 3.0 3.0 2.6 - None found in sector within five mile radius of the plant. a Samples are being taken at 4.9 miles (MKQ-5) for the Waterford 3 REMP. b Cows at Location MKQ-1 are currently not producing milk for human consumntion. The owner will be contacted on a periodic basis to determine if milk will be used for human consumption and for the availability of samples. c Milk animals at these locations are not currently producing milk for human consumption. The owners will be contacted on a periodic basis to determine if milk will be used for human consumption and for the availability of samples. 37

4.0 CONCLUSION

S The radiological environmental data collected during 1994 are consistent with the data obtained during the previous five years of plant operation (1989-93), the first two years of the REMP piior to Waterford 3 initial criticality (1983-84), and the Pre-operational Environmental Radiological Surveillance (PERS) Program (1978-82). The only man-made radionuclides detected in the environmental samples analyzed during 1994 were cesium-137. and iodine-131. i ~ Cesium-137 was detected in two shoreline soil samples. Studies in Louisiana indicate that cesium-137 is commonly found in soils and sediments as a result of fallout from nuclear weapons testing. In addition, the detected concentrations were consistent with pre-operational levels and the levels detected in the previous five years of operation. Further, the concentrations detected in both instances were lower than the required LLD and well below levels requiring notification. Analyses of milk samples indicated cesium-137 at +wo samples collected from the control location in June and July of 1994. The activity detected in both instances was at levels well below the required LLD and well below reporting levels defined in the Waterford 3 ODCM. In addition, cesium-137 concentrations detected in 1994 are consistent with the levels indicated in the pre-operational program and the levels detected in the previous five years of operation. Further, statistical errors associated with the indicated concentrations are higher than would be expected with true activity and may be artifacts of counting statistics. In conclusion, based on the evaluation of the REMP data collected during 1994 the operation of Waterford 3 had no discernable radiological impact on the environment. G W 5 38

FIGURE 3.1 .,,,, _,.. ~,... --.s----- ---~~a~-- ' = " * * * " ' - " " ~ ~ ' * ~ * * ~ ~ * " ' " ' ~ ^ ^ " DIRECT RADIATION DOSE COMPARISON / .9 E Indicator E Control i =- N 15-E E 82 10 E

s. /

PERS 1999 1990 1991 1992 1993 1994 YEAR i i 39

t j l RGURE 3.2 i GROSS BETA - A!R PARTICULATE COMPARISON / 0.1 ' l E Indicator E Control 4 0.08-I i (

0. 0 6 --

E 3 O 0.04-0.02-I PERS 1999 1990 1991 1992 1993 1994 YEAR 40

j 1 FIGURE 3.3 i 1 GROSS BETA - DRINKING / SURFACE WATER COMPARISON l / 10 ' E Indicator 6-I i e ~ G 4-i 2 -- I t i i PERS it99 1990 1991 1992 1993 1994 i YEAR l l 41 l

l l 1 i e l l APPENDIX A REMP DATA

SUMMARY

l - 4 i l i i 42 ) \\ _J

s TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGR#t SIMiARY Name of Facility Waterford 3 SES Docket No. 50-382 January 1 to Location of Facility St. Charles, Louisiana Reporting Period December 31, 1994 (Parish. State) MEDIUM OR PATHWAY ANALYSIS AND LOWER ALL INDICATOR LOCATION LOCATION WITH HIGHEST ANNUAL MEAN CONTROL NLMBER OF SAMPLED TOTAL NUMBER LIMIT OF S MENP NAME MEMP LOCATION MEAN* NONROUTINE (UNIT OF MEASUREMENT) 0F ANALYSES DETECTION * (RANGE)* DISTANCE AND DIRECTION (RANC-E)* (RANGE)* REPORTED PERFORMED (LLD) MEASUREMENTS-1. Direct Radiation TLD 122 (c) 13(118/118) R-6 16(4/4) E-30 0 (mrm/5td. qtr.) (8-23) 5.3 miles NNW (15-23) 11(4/4) (8-13) 2. Airborne Gross 260 10 18(208/208) APG-1 19(52/52) APE-30 0 Particulates Beta (4-39) 0.5 miles SE (4-26) 15(52/52) (10-'pci /m') (4-28) Gama 20 (d) <tLD (0/16) N/A N/A APE-30 0 (-) <LLD (0/4) (-) 3. Airborne I-131 260 70 <LLD (0/208) N/A N/A APE-30 0 Iodine (-) <LLD (0/52) (10 'pCi/m') (,) NOTE: Footnotes at end of table. 43 i i i 1 .m

~ s TABLE A-1 RADIOLOGICAL ENVIR0tNENTAL MONITORING PROGRAM SUPf4ARY Name of Facility Waterford 3 SES Docket No. 50-382 January 1 to Location of Facility St. Charles. Louisiana Reporting Period December 31, 1994 (Parish. State) MEDIlN OR PATHWAY ANALYSIS AND LOWER ALL INDICATOR LOCATION LOCATION WITH HIGHEST ANNUAL MEAN CONTROL HlNBER OF SAMPLED TOTAL NUMBER LIMIT OF ~S MEAlf NAME MEMP LOCATION MEAPP NONR0llTINE (UNIT OF MEASUREMENT) 0F APMLYSES DETECTION * (RANGE)* DISTANCE AND DIRECTION (RANGE)* (RANGE)* REPORTED PERFORMED (LLD) MEAStREMENTS 4. Drinking / Surface Gross 42 4 4.3(21/28) DWE 5 5.2(9/14) DWP-7 0 Water (pci/1) Beta (2.2-11.7) 4.5 miles E (1.5-9.8) 5.1(10/14) (1.4-12.4) I-131 78 1 0.3 (1/52) DWE-5 0.2(1/28) DWP-7 0 (0.2-0.3) 4.5 miles E (0.2-0.2) 0.2(1/14) (-) Gamma 42 (d) <LLD (0/28) N/A N/A DWP-7 0 (-) <LLD (0/14) (-) Trittun 12 2000 <LLD (0/8) N/A N/A DWP-7 0 (-) <LLD (0/4) (-) NOTE: Footnotes at end of table. 44

o TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM SlH %RY Name of Facility Waterford 3 SES Docket No. 50-382 January 1 to location of Facility St. Charles. Louisiana Reporting Period December 31. 1994 (Parish. State) MEDIUM OR PATHWAY ANALYSIS AND LOWER ALL INDICATOR LOCATION LOCATION WITH HIGHEST ANNUAL MEAN CONTROL NUMBER OF SAMPLED TOTAL NUMBER LIMIT OF S_ HEAff NAME HEAN' LOCATION MEAlf NONROUTINE (UNIT OF MEASUREMENT) 0F ANALYSES DETECTION * (RANGE)* DISTANCE AND DIRECTION (RANGE)b (RANGE)* REPORTED PERFORMED (LLD) MEASUREMENTS 5. Groundwater Gamma 4 (d) <LLD (0/4) N/A N/A NONE D (pCi/1) (-) Tritita 4 2000 <tLD (0/4) N/A N/A NONE O (270-440) 6. Shoreline Water Gamma 4 180 48(2/4) SHWK-1 48(2/2) NONE 0 Sediment Cs-137 (33-62) 1.0 miles 5 (33-62) (pC1/kg-dry) NOTE: Footnotes at end of table. 45

-----m

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM StM %RY Name of Facility Waterford 3 SES Docket No. 50-382 January 1 to Location of Facility St. Charles. Louisiana Reporting Period December 31, 1994 (Parish. State) MEDIUM OR PATHWAY ANALYSIS AND LOWER ALL INDICATOR LOCATION LOCATION WITH HIGHEST ANNUAL MEAN CONTROL NLMBER OF SAMPLED TOTAL NtNBER LIMIT OF S MEAN6 NAME MEAN" LOCATION MEAPP NONROUTINE (UNIT OF MEASUREMENT) 0F ANALYSES DETECTION * (RANGE)* DISTANCE AND DIRECTION (RANGE)* (RANGE)* REPORTED ~ PERFORMED (LLD) MEASUREMENTS 7. Milk 1-131 48 1 <LLD (0/24) N/A N/A HK0-45 0 (pC1/1) (-) <tLD (0/24) (-) Gamma 48 18 <LLD (0/24) HKQ-45 N/A HKQ-45 0 Cs-137 (-) 42.0 miles NW 3.0(2/24) (3.0-3.0) 8. Fish Gama 16 (d) <LLD (0/8) N/A N/A FH-1 0 (pC1/kg-wet) (-) <LLD (0/8) (-) NOTE: Footnotes at end of table. 46

+ TABLE A-1 RADIOLOGICAL ENVIR0ft! ENTAL MONITORING PROGRAN StM1ARY Name of Facility Waterford 3 SES Docket No. 50-382 January 1 to Location of Facility. St. Charles. Louisiana Reporting Period December 31, 1994 (Parish. State) HEDIUM OR PATHWAY ANALYSIS AND LOWER ALL INDICATOR LOCATION LOCATION WITH HIGHEST ANNUAL HEAN CONTROL NUMBER OF SAMPLED TOTAL NLNBER LIMIT OF ~5 NEAW NAME HEAW LOCATION EAPP NONROUTINE-(UNIT OF MEASUREMENT) 0F ANALYSES DETECTION * (RANGE)* DISTANCE AND DIRECTION (RANGE)* (RANGE)6 REPORTED PERFORMED (LLD) MEASUREMENTS 9. Broad Leaf 'l-131 36 60 <LLD (0/24) N/A N/A BLK-15 0 Vegetation (33-62) <LLD (0/12) (pC1/kg-wet) (-) Gamma 36 (d) <LLD (0/24) N/A N/A BLK-15 0 (33-62) <LLD (0/12) (-)

9. Food / Garden Crop Gamma 4

(d) <LLD (0/2) N/A N/A NONE O-(pci/kg-wet) (-) NOTE: Footnotes at end of table. 47

TABLE A-1 (Cont.) RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM SUPMARY FOOTNOTES Nominal Lower Limit of Detection (LLD) as defined in the Waterford 3 Offsite Dose Calculation a Manual. bMean and range based upon detectable measurements only. Fraction of detectable measurements at specified locations is indicated in parenthesis. clower Limit of Detection (LLD) not defined in Waterford 3 Offsite Dose Calculation Manual. dLower Limit of Detection (LLD) for individual radionuclides using gamma spectroscopy are given in Waterford 3 Offsite Dose Calculation Manual. 48

O e I APPENDIX B ^ REMP DATA i 4 0 49

TABLE B-1 QUARTERLY TLD DOSE RATES LOCATION IST QUARTER 2ND QUARTER 3RD QUARTER 4TH QUARTER AVERAGE DOSE RATE DOSE RATE DOSE RATE-DOSE RATE DOSE RATE (ares /std qtr) (ares /std qtr) (ares /std qtr) (ares /std qtr) (ares /std otr) A-2 14 15 12 12 14 A-5 13 15 12 12 13 B-1 14 15 11 15 b B-4 12 14 12 13 13 C-1 09 13 07 08 09 D-2 N/A* 14 10 11 12 D-5 12 13 11 12 12 E-1 13 11 12 11 12 E-5 11 14 10 15 13 E-15 11 12 10 11 11 E-30 11 11 08 13 11 F-2 13 12 12 11 12 F-4 13 17 15 14 15 F-9 N/A* 14 07 16 11 G-2 16 16 15 14 15 G-4 12 13 09 13 12 G-9 14 13 12 11 13 H-2 14 14 13 13 14 H-6 13 13 11 11 12 J-2 14 14 11 14 13 J-15 14 15 11 12 13 K-1 12 13 09 10 11 L-1 13 13 10 12 12 M-1 13 13 12 10 12 N-1 08 15 13 14 13 P-1 11 11 11 09 11 P-6 14 15 12 12 13 Q-1 13 11 12 11 12 Q-5 17 16 13 14 15 R-1 12 11 11 10 11 R-6 15 18 14 15 16 Average 13 14 11 1

- TLD missing, replaced - See Table C-5 50

y TABLE B-2 AIR PARTICULATE FILTERS Afm CHARC0AL CARTRIDGES GROSS BETA AND 100lNE-131 ANALYSES UNITS: pCi/ CUBIC METER SAMPLE LOCATION: APC-1 LA8 NO. BEGIN DATE END DATE GROSS BETA 1-131 1.A8 NO. BEGIN DATE END DATE GROSS 8 ETA I-131 940046 12/28/93 01/04/94 0.0% +/-0.002 < 0.018 941194 07/05/94 07/12/94 0.011 +/-0.002 < 0.019 940103 01/04/94 01/11/94 0.017 +/-0.002 < 0.041 941231 07/12/94 07/19/94 0.018 +/-0.002 < 0.018 940132 01/11/94 01/18/94 0.017 +/-0.002 < 0.020 941264 07/19/94 07/26/94 0.017 +/-0.002 < 0.021 940160 01/18/94 01/25/94 0.017 +/ 0.002 < 0.031 941307 07/26/94 08/02/94 0.018 +/-0.002 < 0.018 940193 01/25/94 02/01/94 0.020 +/-0.003 < 0.016 941345 08/02/94 08/09/94 0.016 +/-0.002 < 0.018 940215 02/01/94 02/08/94 0.015 +/-0.002 < 0.028 9413 % 08/09/94 08/16/94 0.017 +/ 0.002 < 0.021 940272 02/08/94 02/14/94 0.004 +/-0.003 < 0.030 941412 08/16/94 08/23/94 0.017 +/-0.002 < 0.019 940294 02/14/94 02/22/94 0.009 +/-0.002 < 0.015 941463 08/23/94 08/30/94 0.017 +/-0.002 < 0.015 940326 02/22/94 03/01/94 0.019 +/-0.003 < 0.017 941483 08/30/94 09/06/94 0.021 +/-0.003 < 0.023 940369 03/01/94 03/08/94 0.016 +/-0.002 < 0.023 941551 09/06/94 09/13/94 0.020 +/-0.002 < 0.023 940428 03/08/94 03/15/94 0.016 +/-0.003 < 0.021 941567 09/13/94 09/20/94 0.017 +/-0.002 < 0.017 940463 03/15/94 03/22/94 0.009 +/-0.002 < 0.025 941629 09/20/94 09/27/94 0.018 +/-0.002 < 0.020 940498 03/22/94 03/29/94 0.009 +/-0.002 < 0.024 941709 09/27/94 10/04/94 0.023 +/-0.002 < 0.020 940562 03/29/94 04/05/94 0.022 +/-0.002 < 0.016 941762 10/04/94 10/11/94 0.024 +/-0.003 < 0.016 940653 04/05/94 04/12/94 0.016 +/-0.002 < 0.019 941819 10/11/94 10/18/94 0.012 +/-0.002 < 0.020 940679 04/12/94 04/19/94 0.018 +/-0.002 < 0.021 941858 10/18/94 10/25/94 0.016 +/-0.002 < 0.017 940725 04/19/94 04/26/94 0.019 +/-0.002 < 0.017 941894 10/25/94 11/01/94 0.021 +/-0.002 < 0.019 940756 04/26/94 05/03/94 0.015 +/-0.002 < 0.018 941953 11/01/94 11/08/94 0.020 +/-0.002 < 0.014 940806 05/03/94 05/10/94 0.025 +/-0.003 < 0.022 941978 11/08/94 11/15/94 0.014 +/-0.002 < 0.019 940834 05/10/94 05/17/94 0.028 +/-0.003 < 0.020 942014 11/15/94 11/22/94 0.019 +/-0.002 < 0.019 - 940867 05/17/94 05/24/94 0.021 +/-0.002 < 0.013 942034 11/22/94 11/29/94 0.025 +/-0.002 < 0.023 940883 05/24/94 05/31/94 0.016 +/-0.002 < 0.016 942081 11/29/94 12/06/94 0.016 +/-0.002 < 0.027 940946 05/31/94 06/07/94 0.013 +/ 0.002 < 0.011 942130 12/06/94 12/13/94 0.018 +/-0.002 < 0.023 940986 %/07/94 06/14/94 0.016 +/-0.002 < 0.023 942164 12/13/94 12/20/94 0.025 +/-0.003 < 0.020 941014 M/14/94 06/21/94 0.015 +/-0.002 < 0.046 942188 12/20/94 12/27/94 0.030 +/-0.003 < 0.025 941051 M/21/94 06/28/94 0.020 +/-0.002 < 0.022 941147 M/28/94 07/05/94 0.023 +/-0.002 < 0.019 51

4 TABLE B-2 AIR PARTICULATE FILTERS Alm CHARCOAL CARTRIDGES GROSS BETA AND 100ZNE-131 ANALYSES SAMPLE LOCATION: APG-1 UNITS: pCi/ CUBIC METER 1AB NO. BEGIN DATE END DATE GROSS BETA I-131 LAB NO. BEGIN DATE END DATE GROSS BETA I 131 940043 12/28/93 01/04/94 0.008 +/-0.002 < 0.018 941191 07/05/94 07/12/94 0.013 +/-0.002 < 0.019 940100 01/04/94 01/11/94 0.012 +/-0.002 < 0.041 941228 07/12/94 07/19/94 0.013 +/-0.002 < 0.018 940129 01/11/94 01/18/94 0.014 +/-0.002 < 0.020 941261 07/19/94 07/26/94 0.016 +/-0.002 < 0.021 940157 01/18/94 01/25/94 0.012 +/-0.002 < 0.031 941304 07/26/94 03/02/94 0.021 +/- 0.002 < 0.018 940190 01/25/94 02/01/94 0.016 +/-0.002 < 0.016 941342 08/02/94 08/09/94 0.014 +/-0.002 < 0.018 940212 02/01/94 02/08/94 0.018 +/-0.002 < 0.028 941392 08/09/94 08/16/94 0.018 +/-0.002 < 0.021 940269 02/08/94 02/14/94 0.004 +/ 0.002 < 0.030 941409 08/16/94 08/23/94 0.019 +/-0.003 < 0.019 l 940291 02/14/94 02/22/94 0.004 +/-0.002 < 0.015 941460 08/23/94 08/30/94 0.023 +/ 0.002 < 0.015 940323 02/22/94 03/01/94 0.021 +/.0.003 < 0.017 941480 08/30/94 09/06/94 0.039 +/-0.003 < 0.023 940366 03/01/94 03/08/94 0.019 +/-0.002 < 0.023 941548 09/06/94 09/13/94 0.018 +/ 0.002 < 0.023 940425 03/08/94 03/15/94 0.020 +/ 0.003 < 0.021 941564 09/13/94 09/20/94 0.019 +/-0.002 < 0.017 940460 03/15/94 03/22/94 0.011 +/ 0,002 < 0.025 941626 09/20/94 09/27/94 0.024 +/-0.002 < 0.020 940495 03/22/94 03/29/94 0.010 +/-0.002 < 0.024 941706 09/27/94 10/04/94 0.025 +/-0.003 < 0.020 940559 03/29/94 04/05/94 0.022 +/-0.002 < 0.016 941759 10/04/94 10/11/94 0.024 +/ 0.003 < 0.016 940650 04/05/94 04/12/94 0.017 +/-0.002 < 0.019 941816 10/11/94 10/18/94 0.011 +/-0.002 < 0.020 940676 04/12/94 04/19/94 0.033 +/.0.003 < 0.021 941855 10/18/94 10/25/94 0.021 +/ 0.002 < 0.017 940722 04/19/94 04/26/94 0.019 +/ 0.002 < 0.017 941891 10/25/94 11/01/94 0.021 +/-0.002 < 0.019 940753 04/26/94 05/03/94 0.019 +/ 0.002 < 0.018 941950 11/01/94 11/08/94 0.018 +/ 0.002 < 0.014 940803 05/03/94 05/10/94 0.025 +/-0.003 < 0.022 941975 11/08/94 11/15/94 0.015 +/-0.002 < 0.019 940831 05/10/94 05/17/94 0.026 +/ 0.003 < 0.020 942011 11/15/94 11/22/94 0.022 +/-0.003 < 0.019 940864 05/17/94 05/24/94 0.036 +/-0.003 < 0.013 942031 11/22/94 11/29/94 0.026 +/-0.002 < 0.023 940880 05/24/94 05/31/94 0.017 +/-0.002 < 0.016 942078 11/29/94 12/06/94 0.018 +/-0.002 < 0.027 940943 05/31/94 06/07/94 0.013 +/-0.002 < 0.011 942127 12/06/94 12/13/94 0.016 +/-0.002 < 0.023 940983 06/07/94 M/14/94 0.014 +/-0.002 < 0.023 942161 12/13/94 12/20/94 0.022 +/-0.002 < 0.020 941011 06/14/94 M/21/94 0.018 +/-0.002 < 0.046 942185 12/20/94 12/27/94 0.030 +/-0.003 < 0.025 941048 06/21/94 06/28/94 0.030 +/ 0.003 < 0.022 941144 06/28/94 07/05/94 0.022 +/-0.002 < 0.019 52 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ = _ _ _ _ _ _ _ _

TABLE B-2 (continued) AIR PARTICULATE FILTERS AM CHARC0AL CARTRIDGES GROSS BETA AW 10 DINE-131 ANALYSES UNITS: pCi/ CUBIC METER SAMPLE LOCATION: APP-1 LAB NO. BEGIN DATE END DATE GROSS BETA I 131 LAB NO. BEGIN DATE END DATE GROSS BETA I-131 940045 12/28/93 01/04/94 0.008 +/-0.002 < 0.018 941193 07/05/94 07/12/94 0.009 +/-0.002 < 0.019 940102 01/04/94 01/11/94 0,015 +/-0.002 < 0.041 941230 07/12/94 07/19/94 0.013 +/-0.002 < 0.018 940131 01/11/94 01/18/94 0.018 +/-0.002 < 0.020 941263 07/19/94 07/26/94 0.013 +/-0.002 < 0.021 940159 01/IS/94 01/25/94 0 M 4 +/-0.002 < 0.031 941306 07/26/94 08/02/94 0.016 +/-0.002 < 0.018 940192 01/25/94 02/01/94 0.018 +/-0.002 < 0.016 941344 08/02/94 08/09/94 0.012 +/-0.002 < 0.018 940214 02/01/94 02/08/94 0.017 +/-0.002 < 0.028 941394 08/09/94 08/16/94 0.018 +/-0.002 < 0.021 940271 02/08/94 02/14/94 0.005 +/-0.002 < 0.030 941411 08/16/94 08/23/94 0.013 +/-0.002 < 0.019 940293 02/14/94 02/22/94 0.007 +/-0.002 < 0.015 941462 08/23/94 08/30/94 0.021 +/-0.002 < 0.015 940325 02/22/94 03/01/94 0.022 +/-0.003 < 0.017 941482 08/30/94 09/06/94 0.030 +/-0.003 < 0.023 940368 03/01/94 03/08/94 0.014 +/-0.002 < 0.023 941550 09/06/94 09/13/94 0.017 +/-0.002 < 0.023 940427 03/08/94 03/15/94 0.015 +/-0.003 < 0.021 941566 09/13/94 09/20/94 0.016 +/-0.002 < 0.017 940462 03/15/94 03/22/94 0.008 +/-0.002 < 0.025 941628 09/20/94 09/27/94 C 022 J 2.402 < 0.020 940497 03/22/94 03/29/94 0.013 +/-0.002 < 0.024 941708 09/27/94 10/04/94 0.019 +/-0.002 < 0.020 940561 03/29/94 04/05/94 0.020 +/-0.002 < 0.016 941761 10/04/94 10/11/94 0.020 +/-0.002 < 0.016 940652 04/05/94 04/12/94 0.017 +/-0.002 < 0.019 941818 10/11/94 10/18/94 0.009 +/-0.002 < 0.020 940678 04/12/94 04/19/94 0.018 +/-0.002 < 0.021 941857 10/18/94 10/25/94 0.019 +/-0.002 < 0.017 940724 04/19/94 04/26/94 0.018 +/-0.002 < 0.017 941893 10/25/94 11/01/94 0.017 +/-0.002 < 0.019 940755 04/26/94 05/03/94 0.017 +/-0.002 < 0.018 941952 11/01/94 11/08/94 0.018 +/-0.002 < 0.014 940805 05/03/94 05/10/94 0.025 +/-0.003 < 0.022 941977 11/08/94 11/15/94 0.014 +/-0.002 < 0.019 940833 05/10/94 05/17/94 0.022 +/-0.002 < 0.020 942013 11/15/94 11/22/94 0.022 +/-0.003 < 0.019 940866 05/17/94 05/24/94 0.024 +/-0.003 < 0.013 942033 11/22/94 11/29/94 0.022 +/-0.002 < 0.023 940882 05/24/94 05/31/94 0.013 +/-0.002 < 0.016 942080 11/29/94 12/06/94 0.016 +/-0.002 < 0.027 940945 05/31/94 06/07/94 0.010 +/-0.002 < 0.011 942129 12/06/94 12/13/94 0.014 +/-0.002 < 0.023 940985 06/07/94 06/14/94 0.005 +/-0.002 < 0.023 942163 12/13/94 12/20/94 0.018 +/-0.002 < 0.020 941013 %/14/94 M/21/44 0.029 */-0.008 < 0.046 942187 12/20/94 12/27/94 0.022 +/-0.002 < 0.025 941050 06/21/94 06/28/94 0.014 +/-0.002 < 0.022 941146 06/28/94 07/05/94 0.019 +/-0.002 < 0.019 53

\\ TABLE B-2 (continued) AIR PARTICULATE FILTERS /ND CHARC0AL CARTRIDGES A GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APQ-1 UNITS: pC1/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA I 131 LAB NO. BEGIN DATE END DATE GROSS BETA I-131 940044 12/28/93 01/04/94 0.010 +/-0.002 < 0.018 941192 07/05/94 07/12/94 0.013 +/-0.002 < 0.019 940101 01/04/94 01/11/94 0.012 +/-0.002 < 0.041 941229 07/12/94 07/19/94 0.016 +/-0.002 < 0.018 940130 01/11/94 01/18/94 0.016 +/-0.002 < 0.020 941262 07/19/94 07/26/94 0.018 +/-0.002 < 0.021 940158 01/18/94 01/25/94 0.012 +/-0.002 < 0.031 941305 07/26/94 08/02/94 0.019 +/-0.002 < 0.018 940191 01/25/94 02/01/94 0.018 +/ 0.002 < 0.016 941343 08/02/94 08/09/94 0.015 +/-0.002 < 0.018 940213 02/01/94 02/08/94 0.019 +/-0.002 < 0.028 941393 08/09/94 08/16/94 0.017 +/-0.002 < 0.021 940270 02/03/94 02/14/94 0.005 +/ 0.003 < 0.030 941410 08/16/94 08/23/94 0.019 +/-0.003 < 0.019 i I 940292 02/14/94 02/22/94 0.005 +/-0.002 < 0.015 941461 08/23/94 08/30/94 0.021 +/-0.002 < 0.015 940324 02/22/94 03/01/94 0.017 +/-0.002 < 0.017 941481 08/30/94 09/06/94 0.031 +/-0.003 < 0.023 940367 03/01/94 03/08/94 0.019 +/-0.002 < 0.023 941549 09/06/94 09/13/94 0.020 +/-0.002 < 0.023 940426 03/08/94 03/15/94 0.017 +/-0.003 < 0.021 941565 09/13/94 09/20/94 0.017 +/-0.002 < 0.017 940461 03/15/94 03/22/94 0.010 +/-0.002 < 0.025 941627 09/20/94 09/27/94 0.023 +/-0.002 < 0.020 940496 03/22/94 03/29/94 0.008 +/ 0.002 < 0.024 941707 09/27/94 10/04/94 0.026 +/-0.003 < 0.020 940560 03/29/94 04/05/94 0.026 +/-0.003 < 0.016 941760 10/04/94 10/11/94 0.022 +/-0.002 < 0.016 940651 04/05/94 04/12/94 0.015 +/-0.002 < 0.019 941817 10/11/94 10/18/94 0.013 +/-0.002 < 0.020 940677 04/12/94 04/19/94 0.019 +/-0.002 < 0.021 941856 10/18/94 10/25/94 0.019 +/-0.002 < 0.017 940723 04/19/94 04/26/94 0.020 +/-0.002 < 0.017 941892 10/25/94 11/01/94 0.022 +/ 0.002 < 0.019 940754 04/26/94 05/03/94 0.018 +/-0.002 < 0.018 941951 11/01/94 11/08/94 0.020 +/-0.002 < 0.0l? 940804 05/03/94 05/10/94 0.026 +/-0.003

9.022 941976 11/08/94 11/15/94 0.015 +/-0.002

< 0.019 940832 05/10/94 05/17/94 0.024 +/-0.003 < 0.026 942012 11/15/94 11/22/94 0.011 +/-0.002 < t, 019 940865 05/17/94 05/24/94 0.032 +/-0.003 < 0.013 942032 11/22/94 11/29/94 0.024 +/-0.002 < 0.023 940881 05/24/94 05/31/94 0.016 +/-0.002 < 0.016 942079 11/29/94 12/06/94 0.018 +/-0.002 < 6.027 940944 05/31/94 06/07/94 0.011 +/-0.002 < 0.011 942128 12/06/94 12/13/94 0.019 +/-0.002 < 0.023 940984 06/07/94 06/14/94 0.017 +/ 0.003 < 0.023 942162 12/13/94 12/20/94 0.022 +/-0.002 < 0.020 941012 % /14/94 06/21/94 0.018 +/-0.002 < 0.046 942186 12/20/94 12/27/94 0.028 +/-0.003 < 0.025 941049 06/21/94 06/28/94 0.018 +/-0.002 < 0.022 941145 06/28/94 07/05/94 0.019 +/-0.002 < 0.019 54

~ TABLE B-2 (continued) AIR PARTICULATE FILTERS AND CHARC0f.L CARTRIDGES GROSS BETA Als 10 DINE-131 ANALYSES SAMPLE LOCATION: APE-30 UNITS: pCi/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA I-131 LAB NO. BEGIN DATE END DATE GtOSS BETA I 131 l 940047 12/28/93 01/04/94 0.010 +/-0.002 < 0.018 941195 07/05/94 07/12/94 0.013 +/-0.002 < 0.019 940104 01/04/94 01/11/94 0.014 +/-0.002 < 0.041 941232 07/12/94 07/19/94 0.017 +/-0.002 < 0.018 940133 01/11/94 01/18/94 0.013 +/-0.002 < 0.020 941265 07/19/94 07/26/94 0.018 +/-0.002 < 0.021 940161 01/18/94 01/25/94 0.013 +/-0.002 < 0.031 941308 07/26/94 08/02/94 0.019 +/- 0.002 < 0.018 940194 01/25/94 02/01/94 0.018 +/-0.003 < 0.016 941346 08/02/94 08/09/94 0.016 +/-0.002 < 0.018 l 940216 02/01/94 02/08/94 0.014 +/-0.002 < 0.028 9413 % 08/09/94 08/15/94 0.018 +/-0.002 < 0.021 940273 02/08/94 02/14/94 0.004 +/-0.002 < 0.030 941413 08/16/94 08/23/94 0.018 +/-0.002 < 0.019 940295 02/14/94 02/22/94 0.011 +/-0.002 < 0.015 941464 08/23/94 08/30/94 0.016 +/-0.002 < 0.015 940327 02/22/94 03/01/94 0.022 +/-0.003 < 0.017 941484 08/30/94 09/06/94 0.016 +/-0.002 < 0.023 940370 03/01/94 03/08/94 0.020 +/-0.002 < 0.023 941552 09/06/94 09/13/94 0.019 +/-0.002 < 0.023 j 940429 03/08/94 03/15/94 0.016 +/-0.003 < 0.021 941568 09/13/94 09/20/94 0.017 +/-0.002 < 0.017 940464 03/15/94 03/22/94 0.011 +/-0.002 < 0.025 941630 09/20/94 09/27/94 0.021 +/-0.002 < 0.020 940499 03/22/94 03/29/94 0.014 +/-0.002 < 0.024 941710 09/27/94 10/04/94 0.026 +/-0.003 < 0.020 940563 03/29/94 04/05/94 0.021 +/-0.002 < 0.016 941763 10/04/94 10/11/94 0.023 +/-0.003 < 0.016 940654 04/05/94 04/12/94 0.013 +/-0.002 < 0.019 941820 10/11/94 10/18/94 0.014 +/-0.002 < 0.020 l l 940680 04/12/94 04/19/94 0.016 +/-0.002 < 0.021 941859 10/18/94 10/25/94 0.021 +/-0.002 < 0.017 940726 04/19/94 04/26/94 0.020 +/-0.002 < 0.017 941895 10/25/94 11/01/94 0.022 +/ 0.002 = 0.019 940757 04/26/94 05/03/94 0.016 +/-0.002 < 0.018 941954 11/01/94 11/08/94 0.017 +/-0.002 < 0.014 940807 05/03/94 05/10/94 0.024 +/-0.003 < 0.022 941979 11/08/94 11/15/94 0.015 +/-0.002 < 0.019 940835 05/10/94 05/17/94 0.028 +/-0.003 < 0.020 942015 11/15/94 11/22/94 0.024 +/-0.003 < 0.019 i 940868 05/17/94 05/24/94 0.021 +/-0.002 < 0.013 942035 11/22/94 11/29/94 0.024 +/-0.002 < 0.023 940884 05/24/94 05/31/94 0.017 +/-0.002 < 0.016 942082-11/29/94 12/06/94 0.019 +/-0.002 < 0.027 940947 05/31/94 06/07/94 0.014 +/-0.002 < 0.011 942131 12/06/94 12/13/94 0.019 +/-0.002 < 0.023 940987 %/07/94 M/14/94 0.015 +/-0.003 < 0.023 942165 12/13/94 12/20/94 0.021 +/-0.002 < 0.020 l 941015 06/14/94 06/21/94 0.017 +/-0.002 < 0.046 942189 12/20/94 12/27/94 0.028 +/-0.003 < 0.025 941052 06/21/94 06/28/94 0.021 +/-0.002 < 0.022 I 941148 06/28/94 07/05/94 0.022 +/-0.002 < 0.019 55 i i i i J'

TABLE B-3 AIR PARTICULATE FILTERS GAfftA ISOTOPIC ANALYSIS ON QUARTERLY COMPOSITES UNITS: pCi/ CUBIC METER SAMPLE LOCATION: ALL SAMPLE SITES LOCATION LAB NO. BEGIN DATE END DATE Cs 134 Cs-137 APG 1 940574 12/28/94 04/05/94 < 0.00% < 0.0006 APG 1 941119 04/05/94 07/05/94 < 0.0013 < 0.0010 APG 1 941682 07/05/94 10/04/94 < 0.0012 < 0.0010 APG 1 942216 10/04/94 12/27/94 < 0.0013 < 0.0011 APQ-1 940575 12/28/94 04/05/94 < 0.0009 < 0.0007 APQ-1 941120 04/05/94 07/05/94 < 0.0007 < 0.0008 APQ-1 941683 07/05/94 10/04/94 < 0.0012 < 0.0010 APQ-1 942217 10/04/94 12/27/94 < 0.0016 < 0.0013 VP-1 940576 12/28/94 04/05i94 < 0.0007 4 0.0006 APP-1 941121 04/05/94 07/05/94 < 0.0010 < 0.0008 APP-1 941684 07/05/94 10/04/94 < 0.0015 < 0.0011 APP 1 942218 10/04/94 12/27/94 < 0.0014 < 0.0010 APC 1 940577 12/28/94 04/05/94 < 0.0010 < 0.0007 APC-1 941122 04/05/94 07/05/94 < 0.0008 < 0.00% APC-1 941685 07/05/94 10/04/94- < 0.0009 < 0.0007 APC-1 942219 10/04/94 12/27/94 < 0.0012 < 0.0010 APE 30 940578 12/28/94 04/05/94 < 0.0008 < 0.0006 APE-30 941123 04/05/94 07/05/94 < 0.0010 < 0.0009 APE-30 941686 07/05/94 10/04/94 < 0.0013 < 0.0011 APE 30 942220 10/04/94 12/27/94 < 0.0014 < 0.0013 56 =

~ TABLE B-4 DRINKING / SURFACE WATER 100INE-131 ANALYSIS UNITS: pCl/ LITER SAMPLE LOCATION: DWG/SWG-2 LAB NO. BEGIN DATE Elo DATE I-131 940093 12/28/93 01/11/94 < 0.4 940162 01/11/94 01/25/94 < 0.4 940217 01/25/94 02/08/94 < 0.3 9402 % 02/08/94 02/22/94 < 0.2 940371 02/22/94 03/08/94 < 0.2 940465 03/08/94 03/22/94 < 0.3 940564 03/22/94 04/05/94 < 0.2 940681 04/05/94 04/19/94 < 0.2 940758 04/19/94 05/03/94 < 0.4 940836 05/03/94 05/17/94 < 0.3 940885 05/17/94 05/31/94 < 0.3 940988 05/31/94 06/14/94 < 0.2 941053 06/14/94 06/28/94 < 0.2 941196 06/28/94 07/12/94 < 0.2 941266 07/12/94 07/26/94 < 0.4 s 941347 07/26/94 08/09/94 < 0.6 941414 08/09/94 08/23/94 < 0.9 941485 08/23/94 09/06/94 < 0.6 941569 09/06/94 09/20/94 < 0.7 L 941711 09/20/94 10/04/94 < 0.6 941821 10/04/94 10/18/94 < 0.5 941996 10/18/94 11/01/94 < 0.5 941980 11/01/94 11/15/94 < 0.5 942036 11/15/94 11/29/94 < 0.5 942132 11/29/94 12/13/94 < 0.9 942190 12/13/94. 12/27/94 < 1.0 l-57 1 I

a -TABLE 8-4 (continued) DRINKING / SURFACE WATER IODINE-131 ANALYSIS SAMPLE LOCATION: DWE/SWE-5 UNITS: pCi/ LITER LAB NO. BEGIN DATE END DATE I-131 940094 12/28/93 01/1194 < 0.5 940163 01/11/94 01/25/94 < 0.4 940218 01/25/94 02/08/94 < 0.3 940297 02/08/94 - 02/22/94 < 0.2 940372 02/22/94 03/08/94 < 0.2 940466 03/08/94 03/22/94 < 0.2 940565 03/22/94 04/05/94 < 0.2 940682 04/05/94 04/19/94 < 0.2 940759 04/19/94 05/03/94 0.2 +/-0.2 940837 05/03/94 05/17/94 < 0.3 940886 05/17/94 05/31/94 < 0.3 940989 05/31/94 06/14/94 < 0.2 941054 06/14/94 06/28/94 < 0.2 941197 06/28/94 07/12/94 < 0.2 1 941267 07/12/94 07/26/94 < 0.6 941348 07/26/94 08/09/94 < 0.5 941415 08/09/94 08/23/94 < 0.5 941486 08/23/94 09/06/94 < 0.7 941570 09/06/94 09/20/94 < 0.9 941712 09/20/94 10/04/94 < 0.5 941822 10/04/94 10/18/94 < 0.5 941897 10/18/94 11/01/94 < 0.6 941981 11/01/94 11/15/94 < 0.8 942037 11/15/94 11/29/94 < 0.5 942133 11/29/94 12/13/94 < 0.6 942191 12/13/94 12/27/94 < 0.9 1 58 I i 1 J

TABLE B-4 (continued) DRINKING / SURFACE WATER IODINE-131 ANALYSIS SAMPLE LOCATION: DWP/SWP-7 UNITS: pCi/ LITER LAB NO. BEGIN DATE END DATE I-131 940095 12/28/93 01/11/94 < 0.5 940164 01/11/94 01/25/94 < 0.3 i 940219 01/25/94 02/08/94 < 0.3 940298 02/08/94 02/22/94 < 0.2 940373 02/22/94 03/08/94 < 0.2 940467 03/08/94 03/22/94 < 0.2 940566 03/22/94 04/05/94 < 0.2 940683 04/05/94 04/19/94 < 0.2 940760 04/19/94 05/03/94 0.2 +/-0.2 940838 05/03/94 05/17/94 < 0.3 940887 05/17/94 05/31/94 < 0.3 940990 05/31/94 06/14/94 < 0.2 941055 M/14/94 06/28/94 < 0.2 941198 06/28/94 07/12/94 < 0.2 941268 07/12/94 07/26/94 < 0.5 941349 07/26/94 08/09/94 < 0.7 941416 08/09/94 08/23/94 < 0.5 941487 08/23/94 09/06/94 < 0.8 941571 09/06/94 09/20/94 < 0.5 941713 09/20/94 10/04/94 < 0.7 941823 10/04/94 10/18/94 < 0.5 941898 10/18/94 11/01/94 < 0.5 941982 11/01/94 11/15/94 < 0.8 942038 11/15/94 11/29/94 < 0.5 942134 11/29/94 12/13/94 < 0.5 942192 12/13/94 12/27/94 < 0.8 59 1 l i

TA8LE 8-5 DRIMING/ SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWG/SWG-2 UNITS: pCi/ LITER-LAB NO. BEGIN DATE END DATE BETA 940096 12/14/93 01/11/94 < 3.4 940220 01/11/94 02/08/94 2.4 +/- 1.4 940374 02/08/94 03/08/94 1.4 +/- 1.4 940567 03/08/94 04/05/94 3.4 +/- 1.5 940762 04/05/94 05/03/94 < 3.4 940888 05/03/94 05/31/94 2.0 +/- 1.6 941056 05/31/94 M/28/94 5.0 +/-1.6 941269 06/28/94 07/26/94 6.2 +/- 1.9 941417 07/26/94 08/23/94 5.4 +/-1.9 941572 08/23/94 09/20/94 2.5 +/-1.5 941714 09/20/94 10/04/94 7.2 +/-1.7 941899 10/04/94 11/01/94 3.0 +/-1.5 942039 11/01/94 11/29/94 2.0 +/-1.3 942193 11/29/94 12/27/94 3.5 +/-1.5 60 __________a_____.______m_

TABLE B-5 (continued) DRINKING / SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWE/SWE-5 UNITS: pC1/ LITER LAB NO. BEGIN DATE END DATE BETA 940097 12/14/93 01/11/94 < 3.4 940221 01/11/94 02/08/94 4.2 +/- 1.6 .i 940375 02/08/94 03/08/94 < 2.2 940568 03/08/94 04/05/94 < 2.2 940763 04/05/94 05/03/94 < 3.4 940889 05/03/94 05/31/94 2.4 +/- 1.6 941057 05/31/94 % /28/94 6.6 +/-1.7 l 941270 06/28/94 07/26/94 4.2 +/- 1.8 941418 07/26/94 08/23/94 9.8 +/-2.1 941573 08/23/94 09/20/94 7.8 +/-1.7 941715 09/20/94 10/04/94 8.5 +/-2.0 941900 10/04/94 11/01/94 < 2.2 942040 11/01/94 11/29/94 1.5 +/-1.3 942194 11/29/94 12/27/94 1.6 +/-1.3 61 l l

TABLE 8-5 (continued) DRINKING / SURFACE WATER GROSS BETA ANALYSIS ON NONTHLY CONPOSITES UNITS: pCi/ LITER SAMPLE LOCATION: DWP/SWP-7 LAB NO. BEGIN DATE END DATE BETA 940098 12/14/93 1/11/94 < 3.4 940222 01/11/94 02/08/94 1.9 +/- 1.4 940376 02/08/94 03/08/94 < 2.2 940569 03/08/94 04/05/94 2.4 +/- 1.5 940764 04/05/94 05/03/94 < 3.4 940890 05/03/94 05/31/94 4.9 +/- 1.7 941058 05/31/94 06/28/94 11.4 +/-2.1 941271 06/28/94 07/26/94 7.7 +/- 1.7 941419 07/26/94 08/23/94 12.4 +/-2.2 941574 08/23/94 09/20/94 5.8 +/-1.6 941716 09/20/94 10/04/94 1.4 +/-1.3 941901 10/04/94 11/01/94 < 2.2 942041 11/01/94 11/29/94 2.1 +/-1.3 l 942195 11/29/94 12/27/94 1.4 +/-1.3 l l 62 \\-

TABLE B-5 (continued) DRINKING / SURFACE WATER GAfMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES UNITS: pCi/ LITER SAMPLE LOCATION: DWG/SWG-2 LAB NO. BEGIN DATE END DATE Hn-54 Fe 59 Co-58 Co 60 Zn-65 Zr-95 2-95 Cs-134 Cs-137 Be-140 La-140 940096 12/14/93 01/11/94 <3 <2 <2 <2 <4 <5 <2 <2 <2 <9 <3 6 < 6 < 3 < 3 <2 < 11 < 4 < 2 < 3 <2 < 3 940220 01/11/94 02/08/94 940374 02/08/94 03/08/94 <2 <2 <2 <2 <3 <4 < 2 <2 <2 < 10 < 3 940 % 7 03/08/94 04/05/94 <2 <4 < 3 < 3 <5 <5 < 3 < 3 < 3 < 10 < 3 940762 04/05/94 05/03/94 < 3 < 4 <3 < 4 < 6 < 7 < 3 < 3 < 3 < 11 <4 940888 05/03/94 05/31/94 <2 < 2 <2 <2 < 4 < 4 < 2 <2 <2 < 7 < 3 < 3 < 4 <4 < 2 <2 <2 < 7 < 4 941056 05/31/94 06/28/94 <2 < 2 <2 941269 06/28/94 07/26/94 <2 < 2 <2 <2 < 4 < 4 < 2 <2 <2 < 7 < 3 941417 07/26/94 08/23/94 <2 <3 <2 <2 < 5 <5 <2 < 3 <2 < 11 < 2 941572 08/23/94 09/20/94 <2 < 3 < 2 < 3 <5 <5 < 2 < 3 < 2 < 9 < 3 941714 09/20/94 10/04/94 <2 <4 <3 <3 <5 <6 <3 <3 <3 < 13 <4 941899 10/04/94 11/01/94 < 3 < 3 < 2 <4 <6 < 7 < 2 < 3 <3 < 13 < 4 942039 11/01/94 11/29/94 < 3 <4 <2 < 3 < 6 < 6 < 3 < 3 < 3 ' < 12 < 3 942193 11/29/94 12/27/94 < 2 < 3 <2 <2 <4 <5 < 3 <2 <2 < 15 <3 i l 63 1

TABLE B-5 (continued) DRINKING / SURFACE WATER GAMA ISOTOPIC ANALYSIS ON NONTHLY COMPOSITES UNITS: pCf/ LITER SAMPLE LOCATION: DWE/SWE-5 LAB NO. BEGIN DATE END DATE Mn 54 Fe-59 Co-58 Co 60 Zn 65 Zr-95 Ph-95 Cs-134 Cs 137 Ba-140 La-140 940097 12/14/93 01/11/94 <2 <4 <3 <3 <5 <6 <3 <3 <3 < 13 <4 940221 01/11/94 02/08/94 <2 < 5 <2 < 2 <5 < 4 < 2 < 2 < 2 < 14 <4 940375 02/08/94 03/08/94 <2 <3 <2 <2 <5 <6 <2 <3 <2 < 10 <3 940568 03/08/94 04/05/94 <2 <3 <2 <2 <5 <5 <2 <3 <2 < 11 <3 940763 04/05/94 05/03/94 <2 <3 <2 <2 < 4 <5 <2 <2 <2 < 10 < 2 940889 05/03/94 05/31/94 <2 <3 <2 <2 < 5 <5 < 2 < 3 <2 < 9 < 3 941057 05/31/94 06/28/94 <2 <3 <2 <2 <5 <5 < 2 <3 <2 < 8 < 3 < 3 <2 < ? < 3 941270 06/28/94 07/26/94 <2 <3 <2 <3 < 5 <5 < 2 941418 07/26/94 08/23/94 <2 <3 <2 <2 < 5 <5 < 2 < 3 < 3 <9 <3 941573 08/23/94 09/20/94 <2 < 2 <2 <2 < 4 < 4 < ? <2 <2 < 9 < 3 941715 09/20/94 10/04/94 <2 <3 <2 <2 < 5 <6 <3 < 3 < 3 < 14 < 5 941900 10/04/94 11/01/94 <2 < 3 <2 <2 < 4 <4 < 2 <2 <2 < 11 < 2 942040 11/01/94 11/29/94 < 3 <4 <3 <3 < 7 < 7 <3 <3 <3 < 15 <4 942194 11/29/94 12/27/94 <2 <3 <3 <3 <5 <6 <3 <3 <2 < 15 <4 64

I TABLE B-5 (continued) DRINKING / SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWP/SWP-7 UNITS: pCi/ LITER LAB NO. BEGIN DATE END DATE Mn-54 Fe-59 Co 58 Co-60 In 65 Zr-95 Nb-95 Cs-134 Cs-137 Ba-140 La 140 940098 12/14/93 01/11/94 <2 <3 <2 <2 <4 <6 <3 <2 <2 < 11 <4 940222 01/11/94 02/08/94 <2 <3 <2 <2 < 5 < 5 < 2 <2 <2 < 13 < 3 940376 02/08/94 03/08/94 <2 <3 <2 <2 <5 <5 < 2 <2 <2 < 10 < 3 940 % 9 03/08/94 04/05/94 <2 <5 <2 <2 <7 <4 <2 < 2 <2 <8 < 3 940764 04/05/94 05/03/94 <2 < 3 <2 <2 < 5 < 5 2 <2 <2 < 11 < 2 l 940890 05/03/94 05/31/94 <2 <3 <2 <2 < 4 < 4 < 2 <2 <2 < 10 < 2 941058 05/31/94 06/28/94 <2 < 3 <2 <2 < 5 < 5 < 2 <2 <2 < 10 < 2 941271 06/28/94 07/26/94 <2 <3 <2 <2 < 4 < 4 < 2 <2 <2 < 10 < 2 941419 07/26/94 08/23/94 <2 2 <2 < 2 < 4 < 4 < 2 <2 <2 < 8 < 2 941574 08/23/94 09/20/94 <2 <3 <2 <2 < 4 < 5 < 2 < 3 <2 < 11 < 2 941716 09/20/94 10/04/94 <2 <3 <2 <2 <5 <5 <2 <2 <2- < 14 <3 941901 10/04/94 11/01/94 <2 <4 <3 <3 <5 <6 <3 <3 <3 < 13 < 3 942041 11/01/94 11/29/94 <2 < 3 <2 < 3 <5 < 5 < 3 < 3 < 3 < 11 < 3 942195 11/29/94 12/27/94 <2 < 4 <2 <2 < 5 < 5 < 3 < 3 <2 < 14 < 4 65

T' TA8LE 8-6 DRIKING/ SURFACE WATER TRITIUN ANALYSIS ON QUARTERLY CONPOSITES UNITS:

pCi/ LITER SANPLE LOCATION: ALL SANPLE SITES LOCATION LAB NO-BEGIN DATE END DATE H-3 DWG/SWG 2 940570 12'i4/94 04/05/94 < 390 DWG/SWG - 2 941059 'A/05/94 06/28/94 < 380 DWG/SWG 2 9417 % M/28/94 10/04/94 < 480 DWG/SWG - 2 942199 10/04/94 12/27/94 < 310 DWEISWE - 5 940571 12/14/94 04/05/94 < 390 DWE/SWE - 5 941 % 0 04/05/94 6/28/94 < 380 DWE/SWE - 5 941797 06/28/94 10/04/94 < 480 '.O DWE/SWE 5 942200 10/04/94 12/27/94 DWP/SWP 7 940572 12/14/94 N/05/94 < 390 DWP/SWP 7 941061 04/05/94 4/28/94 < 380 DWP/SWP - 7 941798 06/28/94 20/04/94 < 480 DWP/SWP 7 942201 10/04/94 12/27/94 < 310 66 ~..

[_. TABLE B-7 GROUlefATER TRITIUM Als GAMA ISOTOPIC ANALYSES UNITS: pCi/ LITER SAMPLE LOCATION: GWJ-1 LAB NO. COLLECTION H-3 Mn-54 Fe-59 Co 58 Co-60 Zn 65 Zr-95 lb-95 Cs-134 Cs-137 Ba-140 La 140 DATE 940099 01/11/94 < 420 <2 <2 <2 <2 <4 <4 <Z <2 <2 <8 <2 940655 04/12/94 < 390 <2 <2 <2 <2 <4 <4 <2 <2 <2 <8 <5 941199 07/12/94 < 380 <2 < 1 <3 <3 <5 <6 <3 < 3 <3 < 10 < 3 941764 10/11/94 < 500 <2 <3 <2 <2 <4 <4 <2 <2 <2 < 11 <2 67

TABLE B-8 SHORELINE S0IL GAMA ISOTOPIC ANALYSIS SAMPLE LOCATIONS: ALL SAMPLE SITES UNITS: pCi/Kg LOCATION 136 NO. COLLECTION tti-54 Co-58 Co-60 Cs-134 Cs-137 DATE Sl4K 1 94 % 56 04/13/94 < 20 < 20 < 20 < 25 62 +/-18 Sl4E 1 941765 10/11/94 - < 13 < 9 < 10 < 12 33 +/- 8 SWE-3 94 % 57 04/13/94 < 11 < 12 < 10 < 14 < 11 SWE-3 941766 10/11/94 < 6 < 7 < 6 < 8 < 6 68

~ TABLE 8-9 MILK - 100INE-131 AM GAMA IS0 TOPIC ANALYSES UNITS: pCi/ LITER SAMPLE LOCATION: MKQ-5 LAB NO. COLLECTION 1-131 Cs 134 Cs 137 Ba-140 La 140 DATE 940048 01/05/94 < 0.3 <3 <3 <9 <3 940141 01/19/94 < 0.6 <3 <3 < 13 <8 9401 % 02/02/94 < 0.3 < 2 < 2 < 11 < 2 940252 02/16/94 < 0.2 <3 <3 < 9 <3 940328 03/02/94 < 0.2 <5 <4 < 15 <4 940423 03/16/94 < 0.2 <3 <3 < 10 <3 940608 04/06/94 < 0.2 < 2 < 2 < 8 < 2 < 9 < 2 940692 04/20/94 < 0.2 <-2 < 2 940765 05/04/94 < 0.3 < 2 < 2 < 8 < 3 940829 05/18/94 < 0.3 =3 <3 < 8 <3 940900 M/02/94 < 0.3 < 4 < 3 < 14 < 4 940992 06/15/94 < 0.3 < 2 < 2 < 8 < 3 941149 07/06/94 < 0.2 < 3 < 2 < 8 < 3 941240 07/20/94 < 0.3 < 2 < 2 < 8 < 2 941309 08/03/94 < 0.5 < 2 < 2 < 10 < 2 941390 08/17/94 < 0.7 < 2 < 2 < 9 < 2 941489 09/07/94 < 0.9 <3 <3 < 13 <4 941575 09/21/94 < 0.5 < 2 < 2 < 10 < 3 941704 10/05/94 < 0.7 <3 <3 < 11 <3 941826 10/19/94 < 0.5 < 2 < 2 < 9 < 2 941902 11/02/94 < 0.5 <2 <2 < 9 < 2 941973 11/16/94 < 0.5 <3 < 2 < 11 < 2 942083 12/07/94 < 0.4 <3 <3 < 14 < 3 942159 12/21/94 < 0.4 <3 <3 < 11 < 3 i 69 - ~. .~...-

._ a. TABLE B-9 (continued) MILK - IODINE-13I AM GAMA ISOTOPIC ANALYSES SAMPLE LOCATION: MKQ-45 UNITS: pC1/ LITER 1A NO. COLLECTION 1-131 Cs-134 Cs-137 Ba-140 La-140 DATE 940049 01/45/94 < 0.3 <3 <3 < 13 < 5 940142 01/18/94 < 0.7 <3 <3 < 14 < 4 940197 02/01/94 < 0.4 < 4 <3 < 14 < 4 940253 02/14/94 < 0.2 3 < 2 < 11 < 3 940329 03/01/94 < 0.2 <2 <2 <8 <2 l 940424 03/15/94 = 0.3 < 3 <3 <9 <3 940609 04/05/94 < 0.2 < 3 <3 < 10 <3 940693 04/19/94 < 0.2 < 4 <3 < 13 < 4 940766 05/03/94 < 0.3 < 3 <3 < 9 <3 940830 05/17/94 < 0.3 < 3 < 3 < 11 < 4 940901 05/31/94 < 0.3 < 3 3 +/- 2 < 12 < 4 940993 06/14/94 < 0.3 < 3 3 +/- 2 < 9 < 3 941150 07/05/94 < 0.3 < 3 <3 < 10 <3 941241 07/19/94 < 0.4 < 3 <3 < 10 <3 941310 08/02/94 < 0.5 < 3 <3 < 11 < 3 941391 08/16/94 < 0.7 < 2 < 2 < 11 < 2 941490 09/06/94 < 0.9 < 3 <3 < 12 < 2 941576 09/20/94 < 0.8 < 3 <3 < 12 <3 941705 10/04/94 < 0.5 <3 <3 < 13 < 4 l 941827 10/18/94 < 0.5 < 3 <3 < 14 <3 941903 10/31/94 < 0.6 <2 <2 < 10 <2 941974 11/15/94 < 0.6 ' < 3 <3 < 13 < 3 942084 12/%/94 < 0.6 < 3 <3 < 14 <3 942160 12/20/94 < 0.5 <2 <2 < 10 <2 70 s

TA8LE B-10 FISH GAMMA ISOTOPIC ANALYSIS 1 SAMPLE LOCATION: FH-1 UNITS:. pCi/Kg LAB NO. COLLECTION SAMPLE TYPE Mn-54 Fe-59 Co 58 Co-60 In-65 Cs-134 Cs-137 DATE 940893 05/19/94 CATFISH < 10 < 19 < 12 < 12 e 30 < 14 < 12 940895 05/19/94 SimD < 13 < 24 < 16 < 13 < 35 < 14 < 15 940897 05/19/94 CARP < 11 < 18 < 12 < 11 < 27 < 13 < 11 940899 05/19/94 DRtM < 16 < 29 < 18 < 18 < 41 < 18 < 17 941917 10/31/94 CATFISH < 11 < 17 < 10 < 11 < 24 < 12 < 12 941918 10/31/94 MAtti < 11 < 21 < 12 < 13 < 27 < 14 < 13 941919 10/31/94 SIMD < 15 < 23 < 14 < 14 < 34 < 17 < 16 941920 10/31/94 BUFFALD < 16 < 25 < 16 < 19 < 43 < 19 < 15 71

TABLE B-10 (continued) FISH GAfmA ISOTOPIC ANALYSIS-UNITS: pCi/Kg SAMPLE LOCATION: FH-2 LAB NO. COLLECTION SAMPLE TYPE Mn 54 Fe 59 Co-58 Co-60 Zn 65 Cs-134 Cs-137 DATE 940892 05/19/94 CATFISH < 11 < 19 < 12 < 11 < 30 < 13 < 11 7 < 13 < 8 < 7 < 16 < 8 < 7 940894 05/19/94 9MD 940896 05/19/94 CARP < 7 < 13 < 7 < 7 < 17 < 8 < 6 940898 05/19/94 DRtN < 8 < 15 < 8 < 9 < 19 < 9 < 9 941921 10/31/94 CATFISH < 15 < 23 < 15 < 16 < 35 < 16 < 14 941922 10/31/94 NULLET < 13 < 19 < 11 < 13 < 28 < 13 < 11 941923 10/31/94 9%D < 11 < 16 < 12 < 11 < 28 < 12 < 11 941924 10/31/94 BttFALO < 14 < 23 < 15 < 16 < 35 < 16 < 15 72

.q TABLE B-11 BROAD LEAF VEGETATION 100lNE-131 AND GAMA ISOTOPIC ANALYSES UNITS: pCi/Kg SAMPLE LOCATION: BLQ-1 LAB NO. COLLECTION I-131 Cs-134 Cs 137 DATE 940153 01/26/94 <8 <8 <8 940300 02/23/94 < 7 < 7 < 7 9404 % 03/23/94 < 19 < 21 < 19 940719 04/27/94 < 19 < 22 < 19 940861 05/25/94 < 12 < 16 < 15 941008 06/22/94 < 16 < 17 < 17 941272 07/27/94 < 17 < IS < 18 ' 941457 08/31/94 < 20 < 21 < 22 941623 09/28/94 < 17 < 20 < 18 941838 10/24/94 < 19 < 20 < 18 941991 11/21/94 < 17 < 15 < 14 9421 % 12/28/94 < 39 < 24 < 23 73 i um .m m ---.u,__aw -*-we.e-16 y e way4 e.. y y,-6 g., g r-tway -.p i-s _.m.',w... u y,

_----_--_-__y---_m 1 TABLE B-11 (continued) i BROAD LEAF VEGETATION IODINE-131 AND GAMMA ISOTOPIC ANALYSES l SAMPLE LOCATION: BLB-1 UNITS: pCi/Kg LAB NO. COLLICTION I-131 Cs-134 Cs-137 DATE 940154 01/26/94 <9 <9 <8 940'01 02/23/94 < 17 < 19 < 19 J 940457 03/23/94 < 17 < 25 < 26 940720 04/27/94 < 15 < 17 < 14 940862 05/25/94 < 13 < 15 < 14 941009 06/22/94 < 16 < 19 < 19 941273 07/27/94 < 18 < 15 < 13 941458 08/31/94 < 16 < 16 < 13 941624 09/28/94 < 17 < 17 < 16 941839 10/24/94 < 15 < 14 < 13 941992 11/21/94 < 19 < 18 < 19 942197 12/28/94 < 34 < 25 < 20 i 74 =

TABLE B-11 (continued) BROAD LEAF VEGETATION 10 DINE-131 AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: BLK-15 UNITS: pCi/Kg W NO. COLLECTION I.131 Cs.134 Cs.137 MTE I 940155 1/26/94 < gg < 18 < 16 940302 02/23/94 <8 < 9 < 8 940458 03/23/94 < 11 < 11 < 10 940721 04/27/94 < 12 < 13 < 12 940863 05/25/94 < 15 < 18 < 17 941010 %/22/94 < 15 < 18 < 15 941274 07/27/94 < 11 < 13 < 11 941459 08/31/94 < 20 < 17 < 15 941625 09/28/94 < 21 < 23 < 20 941840 10/24/94 < 18 < IB < 16 941993 11/21/94 < 18 < 23 < 20 942198 12/28/94 < 27 < 17 < 18 75

~ ~ T' TABLE B-12 VEGETATION - FOOD PRODUCTS 100INE-131 AND GAMA ISOTOPIC ANALYSES SAMPLE LOCATION: ALL SAMPLE SITES UNITS: pCi/Kg LAB NO. LOCATION COLLECTION I-131 Cs-134 Cs-137 DATE 941828 FPP-1 10/19/94 < 19 < 21 < 18 941829 FPG-1 10/19/94 < 17 < 17 < 15 76 -.}}

ML20082L869

Contents

Text

Subject:

1.0 INTRODUCTION

4.0 CONCLUSION

SUMMARY

SUMMARY

2.2 DESCRIPTION

SUMMARY

SUMMARY

1.0 INTRODUCTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

4.0 CONCLUSION

SUMMARY

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ML20082L869

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Subject:

1.0 INTRODUCTION

4.0 CONCLUSION

SUMMARY

SUMMARY

2.2 DESCRIPTION

SUMMARY

SUMMARY

1.0 INTRODUCTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

2.2 DESCRIPTION

4.0 CONCLUSION

SUMMARY

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