ML20029C738

1993 Annual Radiological Environ Operating Rept

ML20029C738
Person / Time
Site:	Waterford
Issue date:	12/31/1993
From:	ENTERGY OPERATIONS, INC.
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NUDOCS 9404280309
Download: ML20029C738 (94)

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ANNUAL RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT i

i FOR WATERFORD 3 STEAM ELECTRIC STATION i

JANUARY 1 THROUGH DECEMBER 31, 1993 Docket Number:

50-382 License Numb?r: NPF-38 1

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L 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 1993, and evaluate the radiological impact on the environment resulting from plant operation.

l-The Waterford 3 REMP collected data on environmental radioactivity levels around the Waterford 3 nuclear power plant. These levels were determined by analyzing samples of air, water, shoreline soil, fish, vegetation, and milk i

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 radioactisttp in the environment during 1993.

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TABLE OF CONTENTS PAGE ABSTRACT

-11 TABLE OF CONTENTS...........................

-iii LIST OF TABLES v

LIST OF FIGURES.............................

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1.0 INTRODUCTION

1 1.1 Program and Report Objectives I

1.2 Plant and Site Description 12 2.0 PROGRAM DESCRIPTION'.......................

2 2.1 History and Development 3

2.2 Responsibilities......................

3 2.3 Sample Collection and Handiing 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

2.4 Analytical Procedures 7

2.5 Laboratory Quality Assurance.................

8 3.0 DISCUSSION OF RESULTS 26 3.1. Direct Radiation Exposure Pathway _

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3.2 Airborne Exposure Pathway 26-3.2.1 Airborne Particulates.-..........,,.....-

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3.2.2 Airborne

Iodine...:....

27-3.2.3 Gamma Isotopic: Analysis _................

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'l 3.3 Waterborne Exposure Pathway _..........,.....:..

-3.3.1. Drinking / Surface Water 27-l' 3.3.2 Groundwater..................

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3.3.3 Shoreline Sediment-

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3.4 Ingestion Exposure PathwayL..._................

.29 3.4.1 Milk

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TABLE OF CONTENTS (CONTINUED)

PAGE 3.4.2 Fish.......................

30 3.4.3 Broad Leaf Vegetation 30 3.4.4 Food Products 30 3.5 Statistical Analyses...................

30 3.5.1 Calculation of the Mean and Standard Deviation..

30 3.5.2 Comparing Two Sample Population Means 31 3.5.3 TLD Measurements.................

32 3.5.4 Gross Beta on Air Particulate Filters 33 3.5.5 Gross Beta in Monthly Drinking Water Composites 33 3.6 Deviations from the REMP..........,

33 3.6.1 Unavailable Samples 33 3.6.2 Missed Lower Limits of Detection.........

34 3.7 Annual Land Use Census Results..............

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4.0 CONCLUSION

S 41 APPENDIX A - REMP DATA

SUMMARY

45 APPENDIX B - REMP DATA 52 APPENDIX C -

SUMMARY

OF INTERLABORATORY COMPARIS0NS........

85 APPENDIX D - SYN 0PSES OF ANALYTICAL PROCEDURES 87 D-1.0 ANALYSIS OF SAMPLES FOR GROSS BETA ACTIVITY 88 D-1.1 Air Particulates 88 l

D-1.2 Water 88 l

D-2.0 ANALYSIS OF WATER SAMPLES FOR TRITIUM 88 D-3.0 ANALYSIS OF SAMPLES FOR 10 DINE-131 88 D-3.1 Milk and Water 88 D-3.2 Broad Leaf Vegetation 88 D-4.0 GAMMA SPECTROSCOPY ANALYSIS 89 D-5.0 ENVIRONMENTAL DOSIMETRY 89 l

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

SUMMARY

9 TABLE

2.2 DESCRIPTION

OF REMP SAMPLING STATION LOCATIONS.....

10 TABLE 2.3 DETECTION CAPABILITIES FOR ENVIRONMENTAL SAMPLE ANALYSIS, LOWER LIMIT OF DETECTION (LLD)........

22 TABLE 3.1 1993 DIRECT RADIATION DATA ORGANIZED BY COMPASS DIRECTION AND DISTANCE FROM WATERFORD 3 SES 35 TABLE 3.2 STATISTICAL COMPARIS0N OF 1993 TLD MEASUREMENTS FROM STATIONS GROUPED BY DISTANCE FROM WATERFORD 3 SES 36 TABLE 3.3 STATISTICAL COMPARISON OF GROSS BETA ACTIVITY ON AIR PARTICULATE FILTERS FOR 1993 37 TABLE 3.4 STATISTICAL COMPARIS0N OF GROSS BETA ACTIVITY IN MONTHLY DRINKING WATER COMPOSITES FOR 1993.......

38 TABLE 3.5

SUMMARY

OF 1993 RiMP DEVIATIONS 39 TABLE 3.6 1993 ANNUAL LAND USE CENSUS RESULTS 40 TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM

SUMMARY

46 TABLE B-I QUARTERLY TLD DOSE RATES......

53 TABLE B-2 AIR PARTICULATE FILTERS AND CHARC0AL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES...........

S4 TABLE 8-3 AIR PARTICULATE FILTERS:

GAMMA IS0 TOPIC ANALYSIS ON QUARTERLY COMPOSITES..................

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LIST OF TABLES (CONTINUED)

PAGE TABLE B-4 DRINKING WATER:

10 DINE-131 ANALYSIS..........

65 TABLE B-5 DRINKING WATER: GROSS BETA ANALYSES ON MONTHLY COMPOSITES AND GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES,......................

68 TABLE B-6 DRINKING WATER: TRITIUM ANALYSIS ON QUARTERLY COMPOSITES.......................

74 TABLE B-7 GROUNDWATER:

TRITIUM AND GAMMA ISOTOPIC ANALYSES........................

75 TABLE B-8 SH0 RELINE S0Il: GAMMA IS0 TOPIC ANALYSES........

76 TABLE B-9 MILK:

10 DINE-131 AND GAMMA ISOTOPIC ANALYSES 77 TABLE B-10 FISH:

GAMMA IS0 TOPIC ANALYSES.............

79 TABLE B-11 BROAD LEAF VEGETATION:

10 DINE-131 AND GAMMA IS0 TOPIC ANALYSES 81 TABLE B-12 VEGETATION - F000 PRODUCTS:

10 DINE-131 AND GAMMA ISOTOPIC ANALYSES 84 TABLE C-1 EPA CROSS-CHECK RESULTS 85 l

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LIST OF FIGURES PAGE FIGURE 2.1 REMP SAMPLE LOCATIONS WITHI;i 2 MILES OF WATERFORD 3 23 FIGURE 2.2 REMP SAMPLE LOCATIONS WITHIN 10 MILES OF WATERFORD 3 24 FIGURE 2.3 REMP SAMPLE LOCATIONS WITHIN 50 MILES OF WATERFORD 3 25 FIGURE 3.1 DIRECT RADIATION DOSE COMPARIS0N............

42 FIGURE 3.2 GROSS BETA - AIR PARTICULATE COMPARIS0N 43 FIGURE 3.3 GROSS BETA - DRINKING / SURFACE WATER COMPARIS0N.....

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e l.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 1993. The.results discussed in this report were used to evaluate the radiological environmental impact resulting ? rum the operation of Waterford 3.

The. submission of this report to the duciaar Regulatory Commission (NRC) fulfills the requirements pursuant to Waterford 3 Technical Specification 6.9.L7.

1.1 Proaram and Report Ob.iectives 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 it, this report fulfill the following specific objectives:

a.

to iientify 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 E13nt and Site Descriotion 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.

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The plant is located on the west bank of the Mississippi River at River Mile 129.6 between Baton Rouge and New Orleans, Louisiana.

The site is in the northwestern section of St. Charles Parish 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), Occidental 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 lESCRIPTION A general swomary 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.

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i2.1 History and Development The Waterford 3 REMP evolved from the Pre-operational Environmental Radiological Surveillance (PERS) program (1978-1982) 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), prior to initial criticality, were used to supplement the baseline established during the PERS Program..

2.2 Responsibilities Waterford 3 personnel are responsible for implementing and insuring -

that the REMP complies with federal regulatory, Technical Specification, and Offsite Dose Calculation Manual (0DCM)-

requirements.

Responsibilities'of Waterford 3 personnel include collecting (with the exception of fish samples), preparing, and shipping of environmental samples; conducting environmental dosimetry measurements; reviewing analytical results reports; and preparing and submitting the ;nnual Radiological Environmental-Monitoring and other relevant reports to the Nuclear Regulatury

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Commission.

The primary contractor, Entergy Services, Inc. (ESI) System Chemistry located in Little Rock, Arkansas, is responsible for performing radiological analyses; conducting initial data review; 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 responsible for the collection of fish samples.

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-2.3 Samole Collection and Handlina 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 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 1993 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.

2.3.1 Direct Radiation Exposure Pathway Samoles 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.

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2.3.2 Airborne Exoosure Pathway Samoles Samples of airborne particulates and radiolodines 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 continuous air sampling.

Using the sampling device described above, airborne particulate samples were obtained on a lilter 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 rinalysis by gamma spectroscopy.

2.3.3 llaterborne Exposure Pathway Samoles 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) locatir Hydrochloric acid was added to each sample prior to shipment.

The contract laboratory analyzed the biweekly samples for iodine-131, compositeo them monthly for gross beta and gamma spectroscopy, and composited them quarterly for tritium analysis.

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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 quarterly by grab sampling from one sampling location (GWK-1). Again, hydrochloric acid was added to the sample. prior to shipment to the contract laboratory for tritium and gamma spectroscopy analyses.

Shoreline sediment samples were obtained semi-annually from a sampling station at each plant discharge point.

Station SHWE-3 is located downstream on the shoreline of the Mississippi River; station SHWK-1 is on the shoreline of the 40-Arpent canal. The samples were shipped without further processing.

2.3.4 Inaestion Exoosure Pathway Samolqi Milk samples were collected semi-monthly from one indicator 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 Section3.6).

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 specier and location prior to delivery to Waterford 3.

The samples were shipped frozen for analysis by gamma spectroscopy.

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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 location 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 (FPP-1 and FPP-1) by normal harvesting techniques and shipped without further processing.

Iodine-131 and gamma spectroscopy analyses were performed.

2.4 Analytical Procedures A brief synopsis of the analytical procedures used by ESI System Chemistry and Waterford 3 are given in Appendix 0 to provide an overview of the program.

The minimum sensitivities for the analytical procedures are reflected by the Lower Limits of Detection (LLD)t values presented in Table 2.3 from Table 5.8-3 of Waterford 3 00CM.

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.

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2.5 Laboratory Ouality Assurance During 199', 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.

Appendix C lists the 1993 results of the laboratory's participation in the cross-check program, i

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TABLE 2.1 RADIOLOGICAL ENVIRONEMNTAL MONITORING PROGRAM (REMP)

SUMMARY

SAMPLE TYPE LOCATION ANALYSIS FRE00ENCY Direct A-2, B-1, C-1, D-2, E-1, F-2, G-2, H-2, TLD gama Quarterly Radiation 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 Radiciodine and APP-1, APQ-1, APG-1, APC-1, APE-30 Gross beta, I-131 Weekly Particulates gama isotopic Qrtly composite b

Drinking Water DWG-2, DWL-5, DWP-7 H-3 Qrtly composite Gross beta, gama Monthly composite isotopic, I-131 Bi-wkly composite b

Surface Water SWG-2, SWE-5, SWP-7 H-3 Qrtly composite gamma isotopic Monthly composite Ground Water GWK-1 gama isotopic, H-3 Qrtly Shoreline Sediment SHWE-3, SHWK-1 gama isotopic Semi-annually Milk MKE-4, MKQ-5, MKQ-1, MKQ-45 gama isotopic, I-131 Semi-mntly/mntly Fish FH-1, FH-2 gama isotopic In season or semi-annually Food Products FPG-1, FPP-1, FPQ-1 gama isotopic At harvest time Broad Leaf BLQ-1, BLB-1, BLK-15 gama isotopic, I-131 Monthly When milk samples not collected a.

Based on requirements in Table 5.8-1 of Waterford 3 SES Offsite Dose Calculational Manual, Section 5.8-1.

b.

Drinking and surface water samples are identical.

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TABLE

2.2 DESCRIPTION

OF REMP SAMPLING STATION LOCATIONS LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION DIRECT RADIATION (TLD)

A-2 (Eastbank) located on a utility 1.1 N

pole on River Road (LA 628) at the south corner of the Zephrin L. Perriloux Fire Station (Station 5) in Montz, La.

B-1 (Eastbank) On fence enclosing the 0.8 NNE transmission tower 0.3 miles west (up-river) from Little Gypsy.

Access from River Road (LA 628).

TLDs are located at SW corner of fence enclosure.

C-1 (Eastbank) On fence enclosing the 0.8 NE Little Gypsy Cooling Water Intake.

Access is from River Road (LA 628) across from Little Gypsy Steam Electric Station entrance. TLDs are on the south side (inside) of the Cooling Water Intake fence enclosure, directly opposite the entrance gate.

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR HUMBER DESCRIPTION PLANT DIRECTION D-2 (Eastbank) located approximately 1.1 ENE 0.3 miles east of Little Gypsy Power Station. Access from River Road (LA 628) near the west end of the Bonne Carre Spillway. TLDs are on the fence at the west entrance to the Spillway (located onlevee).

E-1 (Westbank) located on utility pole 0.2 E

along River Road (LA 18) approxi-mately 0.3 miles east of Waterford 3 plant entrance. Access from LA 18. TLDs are on the third utility pole east of the construction entrance road.

F-2 (Westbank) Located on fence 1.1 ESE enclosure surrounding the LP&L substation on LA 3142. Access from LA 3142 approximately 0.2 miles south of LA 18. TLDs are on the southeast corner of the fence enclosure.

G-2 (Westbank) located on utility pole 1.2 SE on east side of LA 3142 (Next to Union Carbide Star. Plant Gate 3).

Access from LA 3142 approximately 0.2 miles north of railroad over-pass.

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TABLE 2.2 (CONTINVED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION H-2 (Westbank) located on fence 1.2 SSE enclosure to shell road off of LA 3142. Access from LA 3142 south of railroad overpass on east side of LA 3142. TLDs are on the south side of the gate for shell road (just south of Texaco pipeline station).

J-2 (Westbank) Located on northeast 1.3 S

corner of fence enclosing Texaco valve station south of LA 3127.

Access from LA 3127, approximately 0.6 miles west of LA 3127/3142 intersection.

K-1 (Westbank) Located on fence at 1.0 SSW Gate 92 entrance off of LA 3127.

Access from LA 3127, approximately 1.3 miles west of LA 3127/3142 intersection.

(Gate 92isthe access to the Waterford 3 switch-yard station and training center.)

L-1 (Westbank) located next to " Private 1.0 SW Road" sign at LP&L Gate 97 entrance off of LA 3127, approximately 1.6 miles west of LA 3127/3142 inter-section.

(Gate 97 is an access road for Waterford 3.)

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION M-1 (Westbank) located on south gate 0.7 WSW into the Waterford I and 2 SES fuel oil storage tank 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 the Water-ford I and 2 SES access road.

N-1 (Westbank) located behind the "No 0.9 W

Trespassing" sign off of Short Street, in Killona, just south of the entrance to Killona Elementary School.

P-1 (Westbank) located on Short Street, 0.8 WNW in Killona. TLD is inside fence at air sample station APP-1.

Q-1 (Westbank) located on fence 0.8 NW enclosing air sample station approximately 0.5 miles west of Waterford I and 2 on River Road (LA 18).

R-1 (Westbank) located on fence 0.5 NNW enclosure for Waterford I and 2 Cooling Water Intake Structure.

Access is from River Road (LA 18)

-l opposite Waterford I and 2.

TLDs are on the southwest corner of fence.

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION A-5 (Eastbank) located on utility 4.5 N

pole just east of the Shady Nook Trailer Park on Hwy 61 in 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 3.8 NNE just east of shell access road to South Central Bell transmission tower on south side of Hwy 61.

Transmission tower is just east of weigh station at St. John /St. Charles Parish line.

TLDs are on the first utility pole east of access road.

D-5 (Eastbank) located on fence gate 4.2 ENE on shell access road to Big 3 Chemical Plant.

Shell access road is approximately 0.1 miles west of Hwy 61/48 intersection (at black and yellow gate). TLD's are on fence gate 0.1 miles north on shell access road from Hwy 61.

E-5 (Eastbank) Located on the Norco 4.2 E

Substation fence enclosure, Access from River Road (LA 48) onto Wesco St. (adjacent to Norco Shell Chemical Plant), take Wesco St. to the dead'end.

TLDs are located on sixth fence post south j

of the north substation gate.

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION HILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION F-4 (Westbank) located on utility pole 3.5 ESE behind blonde brick house on Aquarius St. in Hahnville. Access from River Road (LA 18) and turn onto Oak St.

Follow Oak St. to Hickory St., turn right on Hickory St. and follow to Aquarius St. and turn left.

Blonde brick house is second house on right (west) side of Aquarius St. heading south.

G-4 (Westbank) located on railroad sign 3.2 SE northwest side of LA 3160/ railroad track intersection. Access from either LA 3127 or River Road (LA 18) onto LA 3160.

H-6 (Westbank) Located on a road sign 5.7 SSE on the northwest side of the second canal bridge east of LA 3160 along LA 3127.

P-6 (Westbank) Located on a fence 5.5 WNW surrounding the Union Pacific communications tower at the LA 640/ railroad intersection approximately 500 ft. from LA 640.

l Q-5 (Westbank) located on fence post 5.0 NW surrounding (green) river marker on levee just east of Edgard.

Fence post is located along River Road (LA 18) across from the Webre's house.

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION R-6 (Eastbank) Located on fence 5.3 NNW enclosing LP&L laydown yard on LA 3223 in Laplace. Access from Hwy 61 onto Elm St. (LA 3223),

take Elm St. to the northeast corner of LA 3223/ railroad intersection.

TLDs are located on the southeast corner of fence enclosure.

F-9 (Eastbank) Located on entrance 8.2 ESE gate to Destrehen Substation.

Access from Rive: Road (LA 48),

approximately 1.b 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 8.1 SE of LP&L District Office in Luling.

Access via Ellington St. from either River Road (LA 18); or Second or Third St. from Paul Hallaird Rd. (LA 52) to Ellington St.

E-IS (Eastbank) Located on Kenner 11.8 E

Substation fence enclosure.

Access from either River Road (LA 48) or Hwy 61, turn onto Alliance Ave.

TLDs are located on the north side of the fence enclosure, near a light pole.

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION J-15 (Westbank) located on fence 12.0 S

enclosure surrounding LP&L switchyard at LA 631/ Hwy 90 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 27.0 E

on Delaronde St. in Algiers.

TLDs are in the courtyard at the south entrance to the building.

AIRBORNE APP-1 (Westbank) located in soybean /

0.8 WNW sugarcane field at northwest corner of Short St. in Killona.

APQ-1 (Westbank) located at northwest 0.8 NW corner of soybean / sugarcane field on east side of Killona.

Access from River Road (LA 18) approximately 0.6 miles east of LA 18/3141 inter-section.

APG-1 (Westbank) Located at the north 0.5 SE side of the Secondary Meteorological Tower.

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TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR HUMBER DESCRIPTION PLANT DIRECTION APC-1 (Eastbank) located inside the 0.8 NE Little Gypsy Cooling Water Intake Structure fence enclosure.

APE-30*

(Westbank) located on the roof of 27.0 E

the LP&L General Office building on Delaronde St. in Algiers.

WATERBORNE DWG-2 (Westbank) located at the Union 2.0 SE SWG-2 Carbide drinking water canal.

Access from LA 3142 through Gate 28.

DWE-5 (Eastbank) Located at the 4.5 E

SWE-5 St. Charles Parish Waterworks off of River Road (LA 48) near New Sarpy.

DWP-7*

(Westbank) located at the St.

6.5 WNW SWP-7*

John Parish Waterworks off of LA 18 in Edgard.

SHWE-3 (Westbank) located at the Foot 3.0 E

Ferry Landing off of LA 18 in Taft.

SHWK-1 (Westbank) located.at the 40 Arpent 0.5 SSW Canal south of the Plant. Access from LA 3127 through Gate 92.

18

TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION GWK-1 (Westbank) Located at 40 Arpent 0.5 SSW Canal south of the plant. Access from LA 3127 through LP&L Gate 92 which is at the Waterford 3 Training Center. The canal is northwest of the shell access road / railroad track intersection.

11LGE31 Loll tilL5 MKQ-1 (Westbank) 1.0 miles west of 1.0 NW Waterford 3 SES at the corner of River Road and Post Street in Killona.

MKQ-5 (Westbank) located at the Webre's 4.9 NW house, just across LA 18 from river marker, at the eastern end of Edgard.

MKQ-45*

(Eastbank) located off of I-12 in 42 NW' Denham Springs, take LA 3002 south to LA 1034, then right to LA 1032, then left.

Farm is 1 mile on the right.

19

p TABLE 2.2 (CONTINUED)

LOCATION LOCATION MILES FROM SECTOR NUMBER DESCRIPTION PLANT DIRECTION f_lSi FH-l*

Upstream of the plant intake NA**

NA**

structure.

FH-2 Downstream of the plant discharge NA**

NA**

structure.

BROAD LEAF BLQ-1 (Westbank) located between LA 18 0.8 NW and soybean field on eastern edge of Killona, near air sample station APQ-1.

BLB-1 (Eastbank) located at wooded area 0.8 NNE at the southwestern corner of the LP&L Little Gypsy plant along River Road.

BLK-15*

(Westbank) located 3.5 miles SSW 15 SSW of Des Allemands on Hwy. 90.

FOOD PRODUCTS ***

FPP-1 (Westbank) located in sugarcane /

0.8 WNW soybean field on eastern edge of Killona, between air sample stations APP-1 and APQ-1.

FPG-1 (Westbank) located in a sugarcane /

0.4 SE soybean field east of Waterford 3 near the back-up meteorological tower and air sample station APG-1, 20

TABLE 2.2 B

(CONTINVED)

• DENOTES CONTROL LOCATION

• • NA - NOT APPLICABLE Food products are not required since no areas surrounding the plant are irrigated with water into which plant wastes are discharged.

Food products grown within the

. site boundary were collected however, in order to demonstrate the absence of man-made radionuclides.

)

21 l

TABLE 2.3 DETECTION CAPABILITIES FOR ENVIRONMENTAL SAMPLE ANALYSIS LOWER LIMIT OF DETECTION (LLD)

• N WATER AIRBORNE PARTICULATE FISH MILK F000 PRODUCTS SEDIMENT 3

ANALYSIS (pCi/l)

OR GAS (pCi/m )

(pCi/kg-wet)

(pCi/1)

(pCi/kg-wet)

(pCi/kg-dry) gross beta 4

0.01 H-3 2000 Mn-54 15 130 Fe-59 30 260 Co-58, 60 15 130 In-65 30 260 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 Ba-La-140 15 15 a.

From Table 5.8-3 of Waterford 3 SES Offsite Dose Calculation Manual.

b.

Applicable to broad leaf vegetation.

22

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25 w

3.0 DISCUSSION OF RESULTS Analytical results for the year 1993 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 12, 12, 11, and 16 mrem / standard quarter for the first, second, third, and fourth quarters of 1993 respectively.

The average exposure rate of the 123 indicator TLD locations was 13 mrem / standard quarter compared to 11 mrem / standard quarter werage exposure rate at the control location. The lowest and nighest individual exposure rates were 8 mrem / standard quarter (D-2, 2nd quarter; C-1 and E-15, 3rd quarter) and 23 mrem / standard qaarter (R-6, 4th 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 1993 to be 14 mrem / standard quarter in Sectors A,B,.N, and P.

The average exposure rates during 1993 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 Airboine Partic11ates Gross m a activity ranged from 0.004 pCi/m3 (APG-1, 8/2-8/10 3

and apt-30, 8/31-9/7) to 0.032 pCi/m (APQ-1, 7/20-7/27) with-3 an average of 0.014 pC1/m for 257 measurem?ats from all five locations. The average groes beta activity for the indicator (APG-1, APQ-1, APP-I APC-1) locations was 0.014 3

f pCi/m compared to 0.015 pCi/m at the control (APE-30) location.

26

w The gross beta activity results obtained during 1993 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 ianged between 0.007 and 3

3 0.48 pCi/m with an average of.08 pCi/m Similarly, the range indicated during the previous five years of operation 3

was from 0.003 to 0.046 pCi/m with an average activity of 3

0.016 pCi/m.

3.2.2 Airborne Iodine All of the 257 airborne iodine-131 results were below the calculated lower limit of detection (LLD).

The sample LLD 3

variability (0.010 to 0.035 pCi/m ) was due primarily to the difference in air sample volumes.

3.2.3 Gamma Isotopic Analysis Gamma spectroscopy results of the twenty air sample quarterly composites ir.'icate that no man-made radionuclides were detected above the P respective lower limits of detection.

3.3 Waterborne Exposure 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 drinking water and quarterly tritium analyses also satisfy the surface water sampling requirement.

Seventy-seven composite drinking / surface water samples were analyzed by a radiochemical procedure for iodine-131 (Table B-4).

Iodine was detected in one indicator sample (DWG-2, 6/15-6/29) and in one control sample (DWP-7,11/2-11/16) 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 1993 samples were well below reporting levels and the LLD required by the Waterford 3 ODCM and has a high degree of uncertainty associated with it.

27

Gross beta activity was detected in twenty-seven of the thirty-nine composites with a range of 2.2 (DWE-5, 6/29-7/27) to 11.7 (DWG-2, 9/21-10/19) pCi/1 and an average activity of 5.8 pCi/1.

The average activity for the control location, DWP-7, was 4.9 pCi/1 compared to the averages of 6.3 and 5.8 pCi/l for indicator stations DWG-2 and DWE-5 respectively.

Analyses for gross beta in drinking / surface water were not performed during the pre-operational survey. However, in order to fulfill comparison requirements,1993 data will be compared to data from the 1983 report and the previous five years of operation.

The grose, beta activity results obtained during 1993 are consiste:nt with those from the 1983 reporting period and the previor.s 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 aserage of 7.0 pCi/1. Similarly, the range indicated during the previous five years of operation was from 1.1 to 11 pCi/l with an average activity of 4.3 pCi/1.

Tritium analysis of drinking / surface water samples indicate that all of the twelve measurements were.below the calculated LLD.

3.3.2 Groundwater Four groundwater samples were collected / rom one sampling location, GWK-1, and analyzed for tritium and gamma emitters. Gamma emitters were not detected; however, tritium was detected in two of the four samples at concentrations of 270 +/- 260 and 440 +/-260 pCi/1.

The tritium concentrations detected in 1993 are consistent with those from the pre-operational program and the previous five years of operation.

In particular,.the pre-operational survey indicates that tritium concentrations in groundwater samples ranged between 50 and 180 pCi/l with an average o'?

121 pCi/1.

Similarly, the range indicated in 'the previous five years of operation was from 270 to 650 pCi/1.

Tritium-levels detected in 1993 are well below the reporting levels and the LLD required by the Waterfora 3 ODCM, and have a high degree of uncertainty associated with it.

28

3.3.3 Shoreline Sediment Four shoreline soil samples were collected f

• he following sampling locations: two samples ft'. the Mississippi River shoreline downriver of the plant (SHWE-3) and two samples from the shoreline of a drainage canal (SHWK-1).

Naturally occurring radionucli.ts 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 37 and 35 pCi/kg(dry).

No other man-made radionuclides were detected in any of the samples.

The cesium-137 results obtained during 1993 are consiste:it h

with those from the pre-operational program and the prcvious five years of operation.

In particular, the pre-operational survey indicates that cesium-137 was c'etected 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 142 pCi/kg (dry) with an average activity of 53 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 Exoosure Pathway 3.4.1 tillh 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. Additional results from these analyses indicate that iodine-131 was detected in one indicator (MKQ-5, 11/17) and one control (MKQ-45,11/30) location at concentrations of 0.3 +/- 0.2.

and 0.2 +/- 0.2 pCi/ liter, respectively.

Iodine-131 was detected in preoperational samples at an average concentration of 1.3 pCi/ liter and a range of 0.7 to 2.5 pCi/ liter. The levels detected in 1993 are below both reporting levels and the LLD required by the Waterford 3 ODCM and have a high degree of uncertainty associated with them.

4 29 i

7

. ~.

[

3.4.2 Elih

.a 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.

4 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.

j 3.4.4 Eood Products Two food products samples were collected and analyzed by gamma spectroscopy and a radiochemical procedure for-100me-131.

Naturally occurring potassium-40 was detected in all the samples; however, no man-made radionulides were detected o

above their calculated LLDs.

3.5 Statistical Analyses 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:

(F-1) in

• " h ~y$

(F-2) g 3 o,3 (Xi-R)*

(n-1).

-j where:

x = mean of sample' population, s - standard deviation of. sample population,y n

. number of samples Lin sample population, and p - value of the i'th sample.

x 30

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 4

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-7) e.

. (g _1),p o d

' (n,-1) s 2 3o.s y

~2 n,

Dx+Dr r

n, y

where:

t - calculated "t" value, x - mean of first data set, y - mean of second data set, n, - number of variables in first data set, s, - standard deviation of first data set, n

- number of variables in second data set, and y

s

- standard deviation of second data set.

y 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) t..d (n) 0 5 Sg 31

h where:

d - the average of the difference between the correlated data points from the two sample populations:

3, (x, - y,)

I D

x, - the i'th data point from population x, y i - the i'th data point from population y, N - the number of correlated pairs of data points, n - degrees of freedom, for equation F-4, n N-1, and s,- the standard deviation of the difference between the correlated data points.

The calculated "t" value in both cases is used to test the hypothesis that the true mean of the first population (#,)

is equal to the true mean of the second population (p y) assuming that the true standard deviations of both populations are equal (p, - pis compared to a tabular "t" val)u.

The calculated "t" value-e such that:

a.

if t > t

,n then reject the hypothesis when y, > p y, b.

if t < -t

,, then reject the hypothesis when p, < y y, c.

i f t > t "/2 n then reject the hypothesis when y, - 4 y, where t

,2 values, wit $ and t,, are the tabular "t"

a preselected error (5 percent in this case), confidence level (1 - -) or (1 -

=/2), and degrees of freedom n (n-n,+n -2 for 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 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 above) was performed comparing the averaga ep osure rates from 0-2 miles and 2-5 miles to the average exposure rate at

>5 miles.

In short, the results of the analyces 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.

32

3.5.4 Gross Beta Activity on Ai Particulate Filters Additionally, the standarJ "t" test was used to compare average gross beta activ'.ty from each indicator station to the average gross beta.ctivity at the control station.

While the results from this test show average activity detected at indicator stations APG-1, APQ-1, and APC-1 to be statistically the same as the activity detected at the control station, activity at indicator station APP-1 was statistically lower than activity detected at the control station. Table 3.3 summarizes the result of this analysis.

3.5.5 Gross Beta Activity in Monthly Drinking Water Composites Finally, the standard "t" test was used to compare average gross beta activity from the two indicator stations to the average gross beta activity from the control station. The results from this test show average activity at indicator stations (DWG-2 and DWE-5) to be statistically the same as the average activity detected at the control station. Table 3.4 summarizes the result of this analysis.

3.6 Deviations from the REMP 3.6.1 Unavailable Samoles Deviations from the REMP associated with missing TLDs resulted from theft of the dosimeters and were beyond the control of Waterford 3.

One TLD was discovered missing from location G-4 during dosimeter change-out at the end of the third quarter. Consequently, the missing TLD was replaced and the deviation recorded.

Three air samples were unavailable for analysis during the 1993 reporting period. At indicator location APP-1, a sample pump malfunctioned during the week of 2/16-2/24.

Upon discovery, the pump was replaced with a new pump and the calibration was tested. At locations APP-1 during the week of 3/23-3/30 and APE-30 during the week of 7/27-8/3, the technician failed to restart the pump when collecting the previous week's sample. All deviations were recorded and a new sample collection method was implemented which allows sample collection while the sample pump is running to prevent recurrence.

Additionally, seven air samples failed to meet the requirement for sample continuity. While two failures were due to a electrical malfunction at the sample locations, the other five continuity failures were the result of intentional shut downs to accomodate electrical enhancements of the sample equipment.

33

a Milk samples were not available during 1993 from the animal-owners at-station MKQ-1'since the cows are not currently producing milk for human consumption. With the absence of milk samples at these stations, broad leaf vegetation sampling was performed.

A list of deviations and associated' explanations is provided in Table 3.5.

3.6.2 Missed Lower Limits of Detection All lower limit of detection. requirements were met for 1993.

3.7 Annual Land lise Census in compliance with Waterford 3 ODCM, the annual land use census was conducted on October 19, 20, 21, and 22, 1993. 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.

New residence locations and minor changes in garden locations were observed as recorded on Table 3.6.

Additionally, large tracts of sugar cane tire still being cultivated near the plant and remain-classified as food products.

Several new milking animals were identified as a result of this census; however, none of the animals are currently producing milk for human consumption. This information was ascertained by verbal inquiry with the owners of the. animals.

In addition, the owners at all locations i.tve agreed.to sell milk samples to Waterford 3 in the event of a radiological emergency to provide additional data for analysis of environmental impact.

34

L TABLE 3.1 1993 DIRECT RADIATION DATA ORGANIZED BY COMPASS DIRECTION AND DISTANCE FROM WATERFORD 3 SES BY COMPASS DIRECTION SECTOR COMPASS AVERAGE STANDARD NUMBER DIRECTION DOSE RATE DEVIATION IN (mrem /std qtr)

(mrem /std qtr)

GROUP A

N 14 1.47 8

B NNE 14 1.68 8

C NE 10 1.79 4

D ENE 11 1.98 8

E*

E 12 2.25 12 F

ESE 12 2.03 11 G

SE 13 2.56 12 H

SSE 13 1.97 8-J S

12 2.47 8

K SSW 12 1.60 4

L SW 13 1.06 4

M WSW 13 1,79 4

N W

14 1.85 4

P WNW 14 1.37 8

Q NW 13 2.32 8

R NNW 13 1.78 8

CONTROL E

11 1.79 4

BY DISTANCE FROM PLANT DISTANCE AVERAGE STANDARD NUMBER FROM PLANT DOSE RATE DEVIATION IN (MILES)

(mrom/std qtr)

(mrem /std qtr)

GROUP 0-2 13 1.81 63 2-5 13 1.87 27 5(a) 14 2.19 28

-CONTROL 11 1.79

~4

• Does not include control station data.

35

TABLE 3.2-STATISTICAL COMPARISON OF 1993 TLD MEASUREMENTS FROM STATIONS GROUPED BY DISTANCE FROM WATERFORD 3 SES Stations Located 0-2 Miles Stations Located 2-5 Stations Located more than from the Plant Miles from the Plant 5 miles from the Plant Mean 12.45(13) 13.30(13) 13.32(13)

(mrem /std. qtr.)

Standard Deviation 2.27 2.21 3.04 (mrem /std. qtr.)-

Number in Sample 64 27 28 Calculated "t" Value to 1.52 0.03 NA*

Comparisons with Stations located more than 5 miles from the Plant Tabular "t" Value at 1.990(a) 2.008(a)

NA*

95% Confidence (t,c3,,)

e a.

Results indicate that the mean for stations located 0-2-miles and 2-5 miles from the plant means are statistically identical to stations located more than 5 miles from the plant.

• Not Applicable 36

TABLE 3.3 STATISTICAL COMPARISONS OF GROSS BETA ACTIVITY ON AIR PARTICULATE FILTERS FOR 1993 SAMPLE STATION APC-1 APG-1 APP-1 APQ-1 APE-30 Hean 15.0 14.8 13.1 14.3 15.4 (10'3pCi/m )

3 Standard Deviation 4.28 4.59 4.15 4.82 4.45 (10'3pti/m )

3 Number in Sample 52 52 50 52 51 Calculated "t" Value 0.58 1.15 2.66 0.44 NA*

Comparing Control Station (APE-30) to Indicator Station Tabular "t" Value at 1.986 1.986 1.987 1.986 NA*

95% Confidence

( 0.025,n

• Not Applicable 37

TABLE 3.4 STATISTICAL COMPARISON OF GP.0SS BETA ACTIVITY IN MONTHLY DRINKING WATER COMPOSITES FOR 1993 SAMPLE STATION DWG-2 DWE-5 DWP-7 Mean 6.3 5.8 4.9 (pCi/1)

Standard Deviation 2.8 3.1 2.9 (pCi/l)

Number in Sample 12 10 5

Calculated "t" Value 0.87 0.50 NA*

Comparing Control Station (DWP-7) to Indicator Station Tabular "t" Value at 2.080 2.101 NA*

95% Confidence (t,o3,,)

o

• Not Applicable 38

. ~..

TABLE 3.5

SUMMARY

OF 1993 REMP DEVIATIONS SAMPLE TYPE ANALYSIS LOCATION DATE EXPLANATION MISSED SAMPr_ES 1.

Direct Radiation N/A*

G-9 First Quarter TLD Stolen 2.

Air Gr. Beta & I-131 APP-1 02/16/93-02/24/93 Sample pump malfunction 3.

Air Gr. Beta & I-131 APP-1 03/23/93-03/30/93 Technician failed to restart 4.

Air Gr. Beta & I-131 APE-30 07/27/93-08/03/93 Technician failed to restart LACK OF SAMPLE CONTINUITY 1.

Air N/A*

APQ-1 12/29/92-01/05/93 Tripped breaker 2.

Air N/A*

APG-1 03/30/93-04/06/93 Electrical enhancement 3.

Air N/A*

APQ-1 04/06/93-04/13/93 Electrical enhancement 4.

Air N/A*

APP-1 05/11/93-05/18/93 Electrical enhancement 5.

Air N/A*

APC-1 05/18/93-05/25/93 Electrical enhancement 6.

Air N/A*

APE-30 06/01/93-06/08/93 Electrical enhancement 7.

Air N/A*

APG-1 08/03/93-08/10/93 Electrical circuit failure MISSED LLDs NONE N/A*

N/A*

N/A*

N/A*

ONot Applicable.

39

TABLE 3.6 1993 ANNUAL LAND USE CENSUS RESULTS SECTOR DIRECTION DISTANCE FROM PLANT IN MILES BEEF MILK MILK F000 COW C0W G0AT GARDEN RESIDENCE PRODUCTS A

N 3.5

3. 5' 3. 9' l.7 1.3 4.1 B

NNE 1.4 1.1 C

NE 1.3 0,9 0.9 D

ENE 0.9 0.9 E

E 2.3 2.2 2.2 0.3 F

ESE 2.3 3.l*

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. 9., b 0.9 0.9 0.5 R

NNW 2.3 4.9*

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 (MKE-5) for the Waterford 3 REMP.

b Cows at Location MXQ-1 are currently not producing milk for human consumption.

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 Cows located in these locations are currently not 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.

40

4.0 CONCLUSION

S The radiological environmental data collected during 1993 are consistent with the data obtained during the previous five years of plant operation (1988-92), the first two years of the REMP prior 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 1993 were cesium-137, iodine-131, and tritium.

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.

Iodine-131 was detected in drinking / surface water at one indicator and one control location in June and November, respectively.

In addition, iodine-131 was detected in milk at one indicator and one control location in November.

The activity detected in all instances was at levels below the required LLD and well below reporting levels defined in the Waterford 3 ODCM.

In addition, iodine-131 concentrations detected in 1993 are consistent with the levels indicated in the pre-operational program and the previous five years of operation.

Further, levels detected had a high level of uncertainty associated with them and may be artifacts of counting statistics.

Tritlum activity detected in two groundwater samples was consistent with pre-operational levels and the concentrations recorded in the previous five years of operation. Additionally, the concentrations detected in the analyses are below both the required LLD and reporting levels defined in the Waterford 3 ODCM.

Further, statistical errors associated with the indicated concentrations are higher than would be expected with true activity.

In conclusion, based on the evaluation of the REMP data collected during 1993 the operation of Waterford 3 had no discernable radiological impact on the environment.

41

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APPENDIX A REMP DATA

SUMMARY

.,9 l

45

.l

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM SUNMARY Name of Facility Waterford 3 SES Docket 8io.

50-382 January I to location of Facility St. Charles. Louisiana Reporting Period Qy_ ember 31. 1993 (Partsh, State)

MEDitM OR PATHWAY ANALYSIS AND LOVER LIMIT Att INDICATOR LOCATIONS LDEATION WITH HIGHEST ANN'JAL MEAN CONTROL 13ATION kW.BER OF SAMPLED TOTAL NUMSER OF MLAN MAME MEAff MEAN-NONROUTINE (UNIT OF MEASUREMENT) 0F ANALYSES DETECTION *

(RANGE)*

DISTANCE AND DIRECTION (RANGE)*

(RANGE)*

REPORTED PERFORMED (LLD)

MEASUREMENTS 1.

Direct Radiation TLD 123 (c) 12(119/119)

R-6 18(4/4)

E-30 0

(area /Std. Qtr.)

(8-23) 5.3 miles NNW (15-23) 11(4/4)

(11-13) 2.

Airborne Gross 257 10 14(205/205)

APE-30 15(51/51)

APE-30 0

Part1culages Beta (4-32) 27 miles E (4-26) 15(51/51)

(10'3pCl/m )

(4-26)

Gama 20 (d)

<tLD (0/16)

N/A N/A APE-30 0

(-)

<tLD (0/4)

(-)

3.

Airborne (odine 1-131 257 70

<tLD (0/205)

N/A N/A APE-30 0

(10'3pC1/m )

(-)

<tLD (0/51)

(-)

C3TE: Footnotes at end of table.

46 i

e e

TABLE A-1

-RADICLOGICAL ENVIROFMENTAL MONITORING PROGRAM SLTHAFY Name of Facility Waterford 3 SES Docket No.

50-382 January I to Location of Facility St. Charles. Louisiana Reporting Period December 31. 1993 (Parish, State)

MEDIUM DR PATHWAY ANALYSIS AND LOWER LIMIT Att INDICATOR LOCATIONS LOCATION WITH HIGHEST ANNUAL MEAN CONTROL LK ATION NUMBER OF SAMPLED TOTAL NUMBER OF MEAN" NAME MEAN MEAf NONROUTINE '

(UNIT OF MEASUREMENT) 0F ANALYSES DETECTION *

(RANGE)"

DISTANCE AND DIRECTION (RANGE)*

(RANGE)"

REPORTED PERFORMED (LLD)

MEASUREMENTS 4.

Driaking/ Surface Gross 39 4

6.l(22/26)

DWG-2 6.3(12/13)

DWP-7 0

Water (pC1/1)

Beta (2.2-11.7) 2.0 miles ESE (2.3-11.7) 4.9(5/13)

(2.3-10.4) 1-131 78 1

0.3 (1/52)

DWG-2/DWP-7 0.2(2/52)

DWP-7 0

(0.2-0.3) 2.0 miles ESE

(-)

0.2(1/26) 6.5 miles WNW

(-)

Gamma 39 (d)

<tLD (0/26)

N/A N/A DWP-7 0

(-)

<LLD (0/13)

(-)

Tritium 12 2000

<tLD (0/8)

N/A N/A DWP-7 0

(-)

<LLD (0/4)

(-)

NOTE: Footnotes at end cF table.

47 s

e

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL HONITORING PROGRAM

SUMMARY

Name of facility Waterford 3 SES Docket No.

50-382 January I to Location of facility St. Charles. toutstana Reporting Period December 31. 1993 (Parish State)

MEDIUM OR PATHWAY ANALYSIS AND LOWER LIMIT Att INDICATOR LOCATIONS LOCATION WITH H! CHEST ANNUAL MEAN CONTROL L TION NUMBER OF SAMPLED TOTAL NUMBER OF MEAN NAME MEAN" MEA.

NONROUTINE (UNIT OF MEASUREMENT) 0F ANALYSES DETECTION" (RANGE)*

DISTANCE AND DIRECTION (RANGE)6 (RANGE)*'

REPORTED PERFORMED (LLD)

MEASUREMENTS 5.

Groundwater Gama 4

(d)

<tLD(0/4)

N/A N/A NONE O

(pC1/1)

(-)

Tritium 4 2000 355(2/4)

N/A N/A NONE 0

(270-440) 6.

Shoreline Gama 4

Sediment Cs-137 180 36(2/4)

SHWK-1 36(2/2)

NONE O

(pC1/kg-dry)

(35-37) 1.0 miles 5 (35-37)

NOTE: Footnotes at end of table.

?d 6

8 e

- c.

TABLE A-1 RADIOLOGICAL ENYlRONMENTAL MONITORING PROGRAM SIM1ARY Name of Facility Waterford 3 SES Docket No.

50-382 January I to Location of Facility St. Charles. Louisiana Reporting Period December 31. 1993 (Parish, State)

- MEDIUM OR PATHWAY ANALYSIS AND LOWER LIMIT ALL INDICATOR LOCATIONS LOCATION WITH HIGHEST ANNUAL MEAN CCwTFajt LOCATION NUMBER OF SAMPLED TOTAL NUMBER OF MEAN*

NAME MEAN" MEAN" NONROUTINE (UNIY 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 MKQ-45 0

(pC1/1)

(-)

<tLD (0/24)

(-)

C el it Cs-137 48 18

<LLD (0/24)

N/A N/A MKQ-45 0

(-)

(0/24)

(-)

8.

Fish Ganna 16 (d)

<tLD (0/8)

N/A N/A FH-1 0

(pct /kg-wet)

(-)

<LLD (0/8)

(-)

NOTE: Footnotes at end of table.

49 e

w TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGPJul StH4ARY Name of facility Waterford 3 SES Docket No.

50-382 January I to Location of Facility St. Eharles toulstana Reportlag Period December 31. 1993 (Parish, State)

MEDIUM OR PATHWAY ANALYSIS AND LOWER LIMIT ALL INDICATOR 10 CATIONS LOCATION WITH HIGHEST ANFfJAL MEAN CONTROL LOCATION NtHBER OF SAMPLED TOTAL NUMBER OF MEAM" NAME MEAN" MEAN*

RONRDUTINE (UNIT OF MEASUREMENT) 0F ANALYSES CETECTION*

(RANGE)*

DISTANCE AND DIRECTION (RANGE)*

(RANGE)*

REPCRTED PERFORMED (LLD)

MEASUREMENTS 9.

Bro:d Leaf I-131 36 60

<LLD (0/24)

N/A N/A BLK-IS 0

Yeg:tatt::

(-)

<tLD (0/12)

(pCijkg-wet)

(-)

Gamma 36 (d)

<tLD (0/24)

N/A N/A BLK-IS 0

(-)

<LLD (0/12)

(-)

10.

Food / Garden Crop Gamma 4

(d)

<LLD (0/2)

N/A N/A NONE O

(pC1/kg-wet)

(-)

. NOTE: Footnotes at end of table.

50 s

8 e

~

TABLE A-1 (Cont.)

RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM

SUMMARY

FOOTNOTES aNominal Lower Limit of Detection (LLD) as defined in the Waterford 3 Offsite Dose Calculation 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 radicisuclides using gamma spectroscopy are given in Waterford 3 Offsite Dose Calculation Manual.

51

l l

APPENDIX B s'

REMP DATA 52 w

1

'm__

____.-n__._____-_-_-_-_._--____

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 (mrem /std qtr)

(mrem /std qtr)

(mrem /std qtr)

(mrem std qtr)

(mrem /std qtr)

A-2 14 12 13 16 14 A-5 13 12 13 16 14 B-1 13 12 13 18 14 B-4 13 12 14 15 14 C-1 10 10 08 13 10 0-2 09 08 10 11 13 D-5 12 12 09 18 13 E-1 12 12 11 16 13 E-5 13 12 09 15 12 E-15 11 12 08 16 12 E-30 11 11 08 13 11 F-2 12 13 12 13 13 F-4 13 14 12 16 14 F-9 13 12 10 16 G-2 14 17 13 17

'i G-4 N/A*

11 11 14 G-9 11 12 09 17 H-2 13 14 13 15 is H-6 12 11 11 13 12 J-2 12 12 12 15 13 J-15 12 12 12 17 13 K-1 12 10 10 12 11-L-1 12 12 12 16 13 M-1 13 11 10 13 12 N-1 13 13 12 18 14 P-1 10 10 09 15 11 P-6 15 13 12 15 14 Q-1 12 11 11 16 13 Q-5 18 13 13 16 15 R-1 11 10 10 15 12 R-6 16 15 17 23 18' Average 12 12 11 16 o - TLD missing, replaced - See Table C-5 53

TABLE B-2 AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APC-1 UNITS: pCi/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA l-131 930020 12/2992 01/05/93 0.016 +/-0.002

<0017 930057 01/05/93 01/12 S 3 0.019 +/-0 002

<0034 930112 01/12/93 01/1E93 0 027 +/-0.003

< 0.011 930177 01/1a93 01/2G93 0 018 +/4 002

< 0.012 930209 01/2693 02/02/93 0 022 +/-0.003

<0014 930245 0202S3 02/0993 0 018 +/-0.002

<0035 930277 02/0993 02/1693 0 020 +/-0 002

<0.024 930312 02/1693 02/2493 0 025 +/-0 002

< 0010 930348 02/2493 0102C3 0 019 +/-0 003

<0.027 930374 03/02/93 03D9/93 0.015 +/-0 003

<0027 930423 030&93 03/1S93 0 017 +/-0 002

<0027 930452 03/16/93 03/23S3 0.013 +/-0 002

<0014 930489 03/2193 03/3G93 0.011 +/4 002

< 0.014 930577 03/3093 040593 0 015 +/-0 002

<0.025 930622 04V6/93 04/13/93 0 014 +/4 002

<0.032 930660 04/13S3 0420/93 0 019 +/-0 002

<0.014 930712 04/20 S3 04/27/93 0 0.S +/-0.002

<0025

~

930738 04/27/93 050493 0 016 +/-0 002

<0024 930786 05/0493 05/11/93 0 014 +/-0.002

<0.024 930833 05/11/93 05/1893 0.017 +/-0.002

<0020

$30895 05/1&93 05/25/93 0.017 +/-0.002

< 0.015 930910 05/25S3 0601/93 0.014 +/-0 002

< 0 020 930980 0601/93 06C&93 0 016 +/-0 002

<0.022 931011 06/0&93 06/15/93 0 018 +/4.002

< 0.033 931045 06/1593 06/22/93 0.012 +/-0.002

< 0.015 931079 06/22/93 -

06/29 S 3 0 013 +/-0.002

<0021 54

\\

- -. -=

TABLE B-2 (continued)

AIR PARTICULATE FILTEd5 AND CHARC0AL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APC-1 UNITS: pC1/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA l-131 931134 06/2S93 07/0693 0 021 +/-0 002

<0016 931207 07/0993 07/13,93 0 007 +/-0 002

<0023 931263 07/1393 07/2G93 0.007 +/-0 002

<0020 931286 07/2G93 07/27S 3 0 014 +/-0 002

<0021 931344 07/27/93 O&U393 0.014 +/-0 002

<0040 931368 O&U393 08/1G93 0 009 +/-0 002

<0014 931398 08/1G93 0817S3 0 010 +/-0 002

<0017 931425 08/17/93 082493 0 017 +/-0 002

<0.027 931462 08/2493 08731/93 0.010 +/-0 002

<0026 931495 08/31 S 3 0907S3 0 007 +/-0 002

<0021 931538 0307S3 09/1493 0 009 +/-0.002

<0019 931580 09/1493 09/21 S 3 0.009 +/-0 002

<0.034 931611 09/21/93 0a2&93 0 011 +/-0.002

< 0014 931686 09/2893 1G%93 0 021 +/-0 003 4 019 931748 1G%93 10/1293 0 014 +/-0 002

<0 022 931782 10/1293 10/1R93 0 014 +/-0 002

<0032 931810 10/1993 1G'2593 0 016 +/-0 003

<0032 931855 10/2593 11/0293 0 016 +/-0 002

<0020 931899 11/0293 11/0a93 0 015 +/-0 002

<0.015 931947 11/09/93 11/16/93 0.016 +/-0 002

<0027 931991.

11/1693 11/23S3 0 013 +/-0 002

<0027 932024 11/2393 11/3G93 0 015 +/-0.002

<0021 932064 11/3G93 1207S3 u C*S +/-0 003

<0026 932096 1207S3 12/1493 0 009 +/-0.002

<0020 932143 12/1493 12/21 S 3 0 014 +/4003

<0018 932155 12/21 S 3 12/2S 93 0007 +/4002

<0014 55

TABLE B-2 (continued)

AIR PARTICULATE FILTERS AND CHARC0AL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APG-1 UNITS: pCi/ CUBIC METER LAB NO. BEG!N DATE END DATE GROSS BETA I-131 930017 12/29/92 01/05/93 0.014 +/-O 002

<0017 930054 01/0593 01/12 S 3 0 017 +/-0 002

<0034 930109 01/12/93 01/19 S 3 0 027 +/-0 003

<0011 930174 01/19/93 01/2693 0 012 +/-0.002

< 0.012 930206 01/2693 02/02S3 0 023 +/-0 CO3

< 0.014 930242 02/02 S3 02/09/93 0.023 +/4 003

<0035 930274 02/09 S3 02/1693 0.021 +/4 002

<0024 930310 02/1693 02/2493 0 027 +/-0 002

<0010 930345 02/2493 03.02S3 0 020 +/-0.003

<0.027 930371 03,02S3 03/09/93 0.016 +/-0 003

< 0.027 930420 03/09S3 03/1693 0.020 +/-0 002

<0.027 930449 03/1693 03/2193 0.014 +/-0 002

< 0014 930487 03/2193 03/30 S3 0.014 +/-0 002

< 0014 930574 03/30/93 040693 0 016 +/-0.002

< 0.025 930619 040693 04/13S3 0 012 +/-0 002

< 0.032 930657 04/13/93 04r20S3 0.016 +/-0.002

<0014 930709 04/20 S3 04/27G3 0.018 +/-0.002

<0.025 930735 04/27S 3 05/04/bo 0 012 +/-0 002

<0024 930783 050'/33 05/11/93 0 015 +/-0.002

<0.024 930830 0541/93 05/18/93 0.015 +/-0 002

<0.020 930892 05/1&93 05/25/93 0.019 +/-0.002

< 0.~ 5 930907 05/2593 OS01S3 0.018 +/-0 002

<0.020 930977

-0601G3 06/0&93 0.017 +/-0.002

<0.022 931008 06,0 &93 06/15S3 0 016 +/-0 002

<0.033 931042 06/15/93 06/22/93 0 010 +/-0 002

<0.015 931076 06/22/93 06/2393-0 011 +/-0 002

< 0.021

.56-

~

TABLE B-2 (continued)

AIR PARTICULATE FILTERS AND CHARC0AL CARTRIDGES GROSS BETA AND IODINE-131 ANALYSES SAMPLE LOCATION: APG-1 UNITS: pCi/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA l-131 931131 06/2S93 07/OSS3 0 019 +/-0 002

<0016 931204 07/0693 07/1193 0 012 +/-0 002

<0023 931260 07/13S3 07/2G93 0 007 +/4 002

<0020 931283 07/2393 07/27S3 0 013 +/-0 002

<0 021 931341 07/27S 3 08V293 0 014 +/4 002

< 0 040 931365 O&C7S3 08/10/93

<0007

<0032 931395 08/1G93 08/17193 0 010 +/-0 002

<0017 931422 08/17S 3 O&2493 0 011 +/-0 002

<0027 931459 08/2493 08/31/93 0 008 +/-0 002

<0.026 931492 08/31 S 3 OSU7!93 0 007 +/-0 002

< 0021 931535 09,07S3 09/1493 0 011 +/4 002

<0019 931577 09/1493 0321/93 0 014 +/-0.002

<0034 931608 CS21S3 OS2&S3 0.008 +/-0 002

< 0.014 931683 09/2893 tG05S3 0 017 +/-0 002

<0019 931745 10/0593 10/1293 0 015 +/-0.002

< 0022 931779 10/12/93 10/19S3 0 014 +/-0.002

<0032 931907 10/1993 10/25 S3 0 014 +/4 003

< 0.032 931852 10/25S3 11/0293 0 013 +/-0 002

<0.020 931896 11/02S 3 11/OS93 0 011 +/-0 002

<0015 931944 11/OS93 11/1693 0 013 +/4 002

<0.027 931988 11/1693 11/2193 0 010 +/-0 002

< 0027 932021 11/23S3 11/3G93 0 021 +/-0.002

< 0.021 932061 11/30S3 1207/93 0 013 +/-0 002

<0026 932093 12/07/93 12/1493 0.010 +/4 002

<0020 932140 12/1493 12/21/93 0 014 +/4 002

<0018 932152 1271S3 12/28/93 0 009 +/4 002

< 0014 57

TABLE B-2 (continued)

AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES GROSS BETA AND 10 DINE-13I ANALYSES l-SAMPLE LOCATION: APP-I UNITS: pCi/ CUBIC METER.

LAB NO. BEGIN DATE END DATE GROSS BETA l-131 l

930019 12/29 S 2 01S593 0 014 +/-0 002

<0.017 930056 01/0593 01/1293 0 018 +/4.002

<0034 930111 01/12/93 01/1&S3 0 024 +/-0 003

<0011 930176 01/19.93 01/2693 0.014 +/-0 002

<0012 930208 01/2693 020293 0 021 +/-0 003

<0014 930244 020293 020RS3 0 014 +/-0.002

<0035 930276 02VSS3 02/1693 0 017 +/-0 002

<0024 N!A 02/1E93 02/2493 NO SAMPLE N/A 930347 02/2493 03S2/93 0.023 +I-0.003

<0027 930373 010293 03.0993 0 012 +/-0 002

<0027 930422 030293 03/1G93 0 017 +/-0.002

<0027 930451 03/1693 03/23 S 3 0.010 +/-0.002

< 0.014 N/A 01'2193 03/30/93 NO SAMPLE N/A 930576 03/30 S3 040693 0 014 +/-0 002

<0.025 930621 040G93 04'1193 0.011 +/-0 002

<0.032 930659 04/1393 04/2093 0.015 +/-0 002

<0014 930711 04/20S3 04/27/93 0 016 +/-0 002

<0025 930737 0477B3 050493 0 013 +i-0.002

<0024 930785 050493 05/11 S 3 0.014 +/-0 002

<0.024 930832 05/11 S 3 05/1&93 0.016 +/-0 002

<0020 930894 05/18S3 052593 0 018 +/-0 002

< 0 015 930909 052593 OG01/93 0 009 +!4 002

<0020 930979 OSV1S3 0608.93 0.018 +/-0.002

< 0.022 931010 06/08 S 3 06/1593 0.014 +/-0 002

< 0.033 931044 06/15 S3 06/2293 0 012 +/-0.002

<0015 931078 06/22/93 06/2S93 0.010 +/-0.002

< 0.021 58

__.m

TABLE B-2 (cont'nued)

AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APP-1 UNITS: pCi/ CUBIC METER LAB NO BEGtN DATE END DATE GROSS BETA t-131 931133 OS29S3 07E93 0 020 +/-0 002

<0016 931208 07/06S 3 07/13S 3 0,006 +/-0 002

<0023 931262 07/13/93 07/2093 0 008 +/-0.002

<0020 931285 07/20S3 07/27/93 0 010 +/4 002

< 0.021 931343 07/27S 3 08/03S3 0.010 +/-0.002

<0040 931367 08/03/93 08/1093 0 007 +/-0 002

<00t4 931397 08/1G93 08/17S 3 0.009 +/-0 002

<0017 931424 08/17/93 08/2493 0 011 +/-0 002

< 0027 931461 08/2493 08/31 S 3 0.009 +/-0 002

< 0026 931494 08/31/93 09/07S 3 0 005 +/4 002

<0021 931537 09/07S 3 09/1493 0 011 +/-0.002

<0.019 931579 09/1493 C9/21/93 0 009 +/-0 002

<0034 931610 OS2'/93 09/2893 0 011 +/-0.002

< 0.014 931685 09/28/93 1GD5S3 0 016 +/-0.002

<0019 931747 1G0593 10/12/93 0.016 +/-0 002

< 0022 931781 10'12G3 10/19/93 0 014 +/-0.002

<0032 931809 10/19/93 10/2593 0.015 +/4 003

<0032 931854 1G2593 11/02/93 0 011 +/-0 002

<0020 931898 11/0293 11/09G3 0 013 +/-0 002

<0015 931946 11XS93 11/1693 0 012 +/-0 002

<0027 931990 11/1693 11/2393 a011 +/-0 002

<0027 932023 11/23/93 11/3G93 0 013 +/-0.002

< 0.021 932063 11/3G93 1297S3 0 012 +/4 002

<0026 932095 12/07/93 12/1493 0.0c* +/-0 002

<0020 932142

~ 12/1493 12/21 S 3 0 012 +/-0.003

< 0.018 932154 12/21 S 3 12/2&S3 0.009 +/4.002

< 0.014 59

TABLE B-2 (continued)

AIR FARTICULATE FILTERS AND CHARC0AL CARTP.IDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APQ-1 UNITS: pC1/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA l-131 930018 12/2992 01/0593 0 010 +/-0 003

<0017 930055 01/0593 01/1293 0.013 +/-0.002

<0034 930110 01/12S 3 01/1993 0 018 +/-0 002

< 0 011 930175 01/19S 3 01/2693 0 015 +/4.002

<0012 930207 01/2693 020293 0.020 +/-0 002

<0014 930243 02t293 02/CS93 0 022 +/-0.002

<0035 930275 02/0993 02/16/93 0 019 +/4 002

< 0.024 930311 02/1693 022493 0.024 +/-0 002

<0010 930346 02/2493 01V293 0.021 +/-0.003 40027 930372 010293 010993 0 016 +/4 002

<0027 930421 0109S3 03/1693 0 018 +/-0.002

<0027 930450 03/1E93 012393 0 013 +/-0.002

<0.014 93CL188 012193 03/30/93 0.013 +/-0 002

<0.014 930575 03/30 S 3 0406S3 0 014 +/-0 002

<0025 930620 040693 0413S3 0.014 +/-0 002

<0032 930658 04/1193 04'2G93 0 016 +/-0 002

<0.014 l

930710 0420S3 0427S3 0 019 +/-0.002

<0025 930736 0427/93 050493 0 015 +/-0 002

< 0.024 930784 050493 05/11/93 0 015 +/-0.002

<0.024 930831 05/11/93 05/1&S3 0.014 +/-0.002

<0020 930693 - 05/1&93 052593 0 019 +/-0 002

< 0015 930908 05/25/93 OSD163 0 015 +/-0.002

< 0020 930978 OG01S3 O&O8/93 0 015 +/-0 002

< 0.022 931009 0608/93 OG/1593 0 015 +/-0 002

< 0033 931043 06/1593 06/2293 0 011 +/-0.002

< 0.015 931077 OS'22S3 06/2993 0.011 +/-0 002

< 0.021 60 L

^

.=~

t TABLE B-2 (continued)

AIR PARTICULATE FILTERS AND CHARC0AL. CARTRIDGES GROSS BETA AND 100INE-131 ANALYSES SAMPLE LOCATION: APQ-I UNITS: pCi/ CUBIC METER

^

LAB NO. BEGIN DATE END DATE GROSS BETA l-131 931132 062R93 07293 0 019 +/-0 002

< 0016 S31205 071069a 07/13/93 0 009 +/-O 002

<0023 931261 07/1193 07/2093 0 004 +/4 002

< 0020 931284 07/2G93 07/27S 3 0 032 +/-O 002

< 0021 931342 07127/93 080193 0.010 +/-0 002

< 0040 931366 060193 08/1G93 0 010 +/-0 002

< 0014 931396 08/1G93 08/17/93 0 010 +/-0 002

<0017 931423 08/17 S 3 O&2493 0.014 +/-0 002

< 0.027 931460 OS2493 08/31!93 0.008 +/-0 002

<0026 931493 OT31193 OSV7S3 0.006 +/-0 002

<0021 931536 OS97/93 09/1493 0.009 +/-0.002

<0019 931578 09/1493 OS21/93 0 010 +/-0 002

<0034 931609 Da'21S3 OS2893 0 009 +/-0.002

<0014 931684 022&93 1G9593 0.017 +/-0 002

<0019 931746 1G0593 10/1293 0 016 +/-0 002

<0022 931780 10/1293 10/1993 0 015 +/-0.002

<0032 931808 10/1993 1025/93 0.013 +/-0 003

< 0 032 931853 1G2593 11/0293 0 014 +/-0 002

< 0.020 i

931897 11/02/93 1110B93 0 014 +/-0.002

< 0.015 931945 11/0993 11/1693 0.016 +/-0.002

< 0.027 931989 11/1693 11!2193 0 008 +/-0.002

< 0.027 932022 11/2193 11/3G93 0.018 +/-0 002

< 0.021 932062 11/3G93 1207S3 0 012 +/-0 003

< 0.026 932094 1297/93 12/1493 0.010 +/-0 DC2

<0.020-932141 12/1493 12/2183 0 012 +/-0.003

< 0 018 932153 12!21 S 3 122893 0.007 +/4.002

<0014 61

TABLE B-2 (continued)

AIR PARTICULATE FILTERS AND CHARCOAL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APE-30*

UNITS: pCi/ CUBIC METER LAB NO. BEGIN DATE END DATE GROSS BETA 1-131 930021 12/2992 01/0593 0 016 +/-0 002

<0017 930058 01/0593 01/1293 0 017 +/-0 002

<0034 f

930113 01/1293 01/19 S 3 0 026 +/-0.003

<0011 933178 01/19 S 3 01/2693 0 018 +/-0 002

<0012 930210 01/2G93 020293 0 023 +/-0 003

< 0014 930246 02C293 0209S3 0 020 +/-0.003

< 0.035 930278 020993 02/1693 0.020 +/-0 002

<0024 930313 02/1693 02/2493 0 025 +/-0.002

<0010 l

930349 02'2493 010293 0 019 +/ 0.003

<0027 930375 010293 0109S3 0 017 +/-0 003

<0027 930424 030993 03/1693 0 018 +/4002

<0027 j

930453 03/1693 03/23 S3 0 014 +/-0 002

<0014 930490 03/23S 3 03/30S3 0 015 +/-0 002

<0014 930578.

0330/93 040G93 0 015 +/-0 002

<0025 930623 040&S3 04/13S3 0 019 +/-0 002 -

<0032 930661 04/13 S3 04/20 S 3 0 015 +/-0.002

<0014 930713 04/2093 04/27S 3 0 018 +/-0 002

< 0025 930739 04'27S 3 050493 0 015 +/-0 002

<0024 930787 050493 05/11 S 3 Of13 '!-0 002

<0 024 930834 05/11 S 3 05/1893 0 017 +/-0 002

< 0.020 I

930896 05/18S3 05/2593 0 018 +/-0.002

<0015 930911 05/2593 06/0163 0.018 +/-0 002

<0.020 930981 0601S3 OSDBS3 0 015 +/-0.002

<0.022 931012 0608/93 06/1593 0 017 +/-0 002

<0033 I

931046 06/1593 06f2293 0 014 +/-0.002

< 0 015 931080 06/22/93 06/2993 0.011 +/-0 002

<0021 l

l

• Control Location 62

TABLE B-2 (continued)

AIR PARTICULATE FILTERS AND CHARC0AL CARTRIDGES GROSS BETA AND 10 DINE-131 ANALYSES SAMPLE LOCATION: APE-30 UNITS: pCi/ CUBIC METER LAB NO. BEGtN DATE END DATE GROSS BETA l.>

931135 062S93 07.0693 0 C22 +/-0 002

< 0.016 l

931208 07/0693 07/13 S3 0 005 +/-0.002

<0023 931264 07/1193 07/2G93 0.006 +/-0 002

<0.020 931287 07/2G93 07/27S 3 0 012 +/-0.002

< 0021 931345 07/27S3 08/03.93 NO SAMPLE N/A 931369 O&C3S3 08/1G93 0 011 +/-0 002

<0014 931399 08/1G93 08/17S 3 0 010 +/-0 002

< 0017 931426 08/17/93 08/2493 0 017 +/-0.002

< 0 027 931463 08/2493 08/31 S 3 0 010 +/-0 002

< 0026 931496 08/31 S 3 0907S3 0 004 +/-0 002

< 0.021 931539 09S7S3 09/1493 0 009 +/-0 002

<0019 931581 09/1493 09/21 S 3 0 011 +/-0 002

< 0.034 931612 09/21 S 3 022&93 0 013 +/-0 002

< 0014 l

?

931687 09/2&93 100593 0 020 +(-0 003

<0 019 931749 100593 10/1293 0 015 +/4.002

<0.022 I

931783 10/1293 10/19S3 0 014 +/-0 002

< 0 032 I

931811 10/1293 10/2593 0 015 +/-0 003

<0032 l

I 931856 10/2593 11U293 0 018 +/-0 002

<0020 931900 11/02/93 11/0a93 0 014 +/4 002

<0015 1

931948 110%93 11/1693 0.017 +/-0 003

< 0 027 931992 11/1593 11/2193 0 014 +/-0 002

<0027 932025 11/2193 11/3G93 0 016 +/-0 002

< 0021

\\

932065 11/3G93 1207S3 0 016 +/-0 003

<0.026 1

932097 1207/93 12/1493 0 011 +/-0 002

<0020 932144 12/1493 12/21 S 3 0 015 +/-0 003

<0.018 i

932156 12/21 S 3 12/28/93 0 009 +/-0.002

<0.014 l

(

i Control Location 0

63' l

f

__--__--__-_-_-____u

TABLE B-3 AIR PARTICULATE FILTERS GAMMA ISOTOPIC ANALYSIS ON QUARTERLY COMPOSITES

~

SAMPLE LOCATION: ALL SAMPLE SITES UNITS: pCi/ CUBIC METER LOCATION LAB NO.

BEGIN DATE END DATE Cs-134 Cs-137 APG-1 930950 12/2992 03/30/93

<00016

< 0 0014 APG-1 931124 GT3G93 06393

< 00009

<00007 APG-1 931630 06/2RS3 092&93

<00007

<00006 APG-1 932188 09/28,93 12/28.93

< 0.0011

<00009 APO-1 930951 12/2S92 OT3G93

<00014

<00012 APO-1 931125 03/3G93 06/2S93

< 0.0013

< 00012 APQ-1 931631 06/2S93 09/2893

< 0.0010

<00009 APO-1 932189 OS'2&S3 12/2S93

< 00010

<0.0006 APP-1 5330952 12W 92 03/3G93

< 0.0011

<00010 APP-1 931126 03/3G93 06/2993

<0.0006

<00005 APP-1 931632 O& 3 93 03'2&93

< 00007

<00008 APP-1 932190 OS2&93 12/2&93

< 00011

<00009 APC-1 930953 12/2R92 03/3G93

<00015

<00013 APC-1 931127 03/3G93 06/2993

<00011

<00012 APC-1 931633 06/2393 09/2&S3 4 0 0011

<00009 APC-1 932191 09/2893 12/2&93

< 00009

<00008 I

I APE-30 930954 12/2S92 03'30/93

<00016

< 0 0013 l

APE-30 931128 03*3093 06/2993

<00006

<00007 APE-30 931634 OG2R93 0%'2&S3

< 00006

<00008 APE-30 932192 0928/93 12i2&93

<0.0010

< 0.0011 l

i 64 1

= _____ _ _______-_________--_-__ ______________________

TABLE B-4 DRINKING / SURFACE WATER 10 DINE-131 ANALYSIS SAMPLE LOCATION: DWG/SWG-2 UNITS: pCi/ LITER LAB NO.

BEGIN DATE END DATE I-131*

930060 122392 01/1293

< 03 930580 01/1293 01/2693

<04 930248 01C693 020G93

<03 930315 029G93 02'2493

<04 930377 02/2493 010a93

<03 930455 030293 03,23,93

< 0,4 930580 03/2393 040693

<03 930663 G40&93 042G93

< 0.3 930741 04'2G93 050493

<02 930836 059493 05/1893

<03 930912 05/1S93 OG01S3

<03 931013 0601/93 06/1593

<02 931081 06/1593 06,2993 0 2 +/42

[

931209 062993 07/1393

< 0.3 931288 07/1393 07/27,93

< 0.3 931370 07/27/93 08/1G93

<03 931427 08/1G93 08/2493

<03 931497 O&2493 OaV7/93

<05 931582 OR97S3 Ca21/93

< 0.4 931688 03/21.93 1GD593

<03 931784 10<0593 10/1993

<02 931857 10/1993 11/0293

<03 931949 11!O293 11/1693-

<03 932026 11/1693 11/30,93

< 0.3 932099 11/3G93 12/1493

< 0.3 932157

'12/1493 12/2S93

< 0.5 65

TABLE B-4 (continued)

DRINKING / SURFACE WATER IODINE-131 ANALYSIS SAMPLE LOCATION: DWE/SWE-5 WITS-pCi/WR LAB NO.

BEGIN DATE END DATE l-13t

• 930061 122R92 01/1293

<02 930181 01/12 S 3 01/2693

<04 930249 01/2693 02/0a93

< 0.3 930316 02/0993 02'2493

<03 930378 02/2493 03.0293

< 0.3 930456 0109S3 03/2193

< 0.4 930581 03/2193 040693

<03 930664 040593 042G93

< 0.3 930742 042G93 0S0493

< 02 930837 050493 05/1&93

< 0.3 930913 05/1&S3 0601/93

<02 931014 06/01 S 3 06/1593

< 0.3 931082 06/1593 06/2R93

< 0.3 931210 062293 07/1193

< 0.3 931289 07/1193 07/27193

<02 931371 07/27/93 08/1G93

<03 931428 08/10S3 C&7493

< 0.3 931498 08/2493 09/07/93

< 0.5 931583 09/07S3 OS71S3

<04 931689 09/21 S 3 100593

<03 931785 1GO593 10/1&S3

< 0.3 931858 10/1993 11/0293

< 0.3 931950 11/0293 11/1693

< 0_3 932027 11/1 &S3 11/3G93

<04 932100 11/30/93 12/1493

<04 932158

'12/1493 127a93

< 0.5 66

TABLE B-4 (continued)

DRINKING / SURFACE WATER 10 DINE-131 AMALYSIS SAMPLE LOCATION: DWP/SWP-7*

UNITS: pCi/ LITER LAS NO.

BEGtN DATE END DATE l-131-930059 12/29S2 01/1293

<03 93017',

01/1293 01/2693

<04 930247 01/2693 020S93

< 03 930314 02 M 93 022493

<04 930376 02/2493 010293

< 0.3 930454 01M93 012193

<04 930579 012193 040693

<03 930662 040593 042G93

< 0.4 l

930740 042G93 050493

<02 930835 050493 05/1893

<03 930914 05/1&93 OsotS3

<03 931015 06D1/93 06/1593

<03 931083 06/1593 062993

<03 l

931211 06/2SS3 07/1193

<03 931290 07/1193 07/27/93

<02 931372 07/27S 3 08/1G93

<03 931429 08/1G93 08/2493

<03 931499 CS2493 OSV7S3

< 0.5 931584 02V7S3 OS21S3

< 0.4 931690 0221S3 10/0593

<03 931786 1G0593 10/1S93

<03 931859 1Cr19S3 11/02S3

<03 931951 11/0293 11/1593 0.2 +/4 2 932028 11/1693 11/3G93

<05 932101 11/3093 12/1493

<03

• Control Location 932159 12f1493 122&S3

< 0.5 67

TABLE B-5 DRINKING / SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWG/SWG-2 UNITS:

pCi/ LITER LAB NO.

BEGIN DATE END DATE BETA 930063 12/15V2 01112 S 3 8 3 +/-1.9 930251 01/1293 020993 5 6 +/-1.6 930380 020G93 030393 9 6 +/-3 0 930583 030993 040&93 3 0 +/-2.3 930744 040G93 05B493 2.3 +/-2 2 930915 050493 06V1!93 3.8 +/-2 8 931084 0601/93 OS2S93 2.8 +/-2.1 931291 OG2393 07/27S3 8.7 +/-2.1 l

931430 07r27S3 08/2493 6 4 +/-t.7 1

931585 OS2493 OS21/93

< 3.3 1

931787 0921/93 10/19S3 11.7 +/-1.9 931952 10/19/93 1t/1693 6.7 +/4 4 932102 11/1593 12/1493 6 6 +/-2 8 l

68 L._..........

- ~ ~..

~

- - - - = - -

~ - -

- = - ~ ' - - - '

~

' ~

~

~

^

TABLE B-5 (continued)

DRINKING / SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWE/SWE-5 UNITS: pC1/ LITER LAB NO.

BEG lN DATE END CATE BETA 930064 12f29S2 01/1593 4.7 +/-1.5 930252 01/1293 02M93 2 9 +/-1.4 930381 02M 93 0109S3 8 2 +/-2 6 930584 01MS3 040693 6 0 +/-2 4 930745 04M93 050493 3 4 +/-2 6 930916 05/0493 OG01S3

<35 931085 0601S3 OS29S3

<37 931292 0G'2993 07/27/93 2.2 +/-18 931431 07/27 S3 08/2493 2 5 +/-1.4 931586 08/2493 09/21 S 3

< 3.9 931783 09e21S3 10/1a93 10 5 +/-19 931953 10/19S3 11/1693 6.1 +/-4 4 932103 11/1693 12!1493 11.1 +/-2.9 69

TABLE B-5 (continued)

DRINKING / SURFACE WATER GROSS BETA ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWP/SWP-7*

UNITS: pCi/ LITER LAB NO.

BEG:N DATE END DATE BETA 930062 12/1592 01/1293 5.5 +/-16 930250 01/1293 020993 3 8 +/-14 930379 029393 0109,93

<38 930582 030E93 04M93

<40 930743 04M93 059493

< 3.5 930917 C50493 0691/93 2 3 +/-2.1 931086 OG01/93 06/2993

< 3.7 931293 06/2S93 07/27/93

< 2.9 931432 07/27,93 08/2493 2.7 +/-t.4 931587 08/2493 0921/93

< 3.9 931789 0921/93 10/1&S3 10.4 +/-1.9 931954 10/1993 11/1693

< 3.7 932104 11/1&S3 12/1493

<36

• Control Location 70

TABLE B-5 (continued)

DRINKING / SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWG/SWG-2 UNITS: pC1/ LITER LAB NO BEGIN DATE END DATE Mn-54 Fe-59 Co-58 Co60 Zn45 Zr-95 Nb-95 Cs-134 Cs-137 Ba-140 La-140 930063 12/1592 01/1293

<2

<2

<2

<2

<8

<4

<2

<2

<2

<7

<2 930251 01/1293 02tS93

<1

<2

<1

<2

<3

<3

<2

<2

<2

<6

<2 930380 020S93 010993

<2

<3

<2

<3

<5

<6

<3

<3

<3

<9

<3 a

930583 03.0a93 040693

<3

<4

<3

<3

<5

<6

<3

<3

<3

< 12

<5 930744 0406,93 050493

<2

<3

<2

<3

<5

<6

<3

<3

<3

< 11

<4 l

930915 050493 0601/93

<2

<4

<2

<3

<5

<6

<3

<3

<3

< 11

<3 931084 OG01/93 062993

<2

<2

<2

<2

<4

<4

<2

<2

<2

<7

<2 931291 OS2S93 07/27!93

<2

<2

<2

<2

<4

<4

<2

<2

<2

<8

<3 931430 07/27/93 082493

<2

<3

<2

<2

<5

<5

<2

<2

<2

<9

<3 931585 08/2493 0921/93

<2

<3

<2

<2

<5

<5

<2

<3

<2

< 10

<3 931787 Da21/93 10/1993

<2

<3

<2

<2

<5

<5

<2

<3

<2

<10

<3 931952 10i?S93 11/16/93

<3

<4

<3

<3

<5

<6

<3

<3

<3

< 14

<4 932102 11/1693 12/1493

<2

<3

<3

<3

<5

<6

<3

<3

<3

< 11

<4 71 I

TABLE B-5 (continued)

DRINKING / SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWE/SWE-5 UNITS: pCi/ LITER LAB NO. BEGIN DATE END DATE th54 Fe-59 Co-58 Co.60 Zn45 Zr-95 Nd 95 Cs 134 Cs-t37 Ba-140 La-140 930064 12'29,92 01/1293

<2

<3

<2

<2

<5

<5

< 2

<2

<2

<9

<3 930252 01/1293 02M93

<2

<3

<2

<2

<5

<5

< 2

<2

<2

<9

<3 930381 0209.93 03/0993

<3

<4

<2

<3

<5

<6

< 3

<2

<3

< 10

<3 930584 03CS93 040693

<2

<3

<2

<2

<4

<4

< 2

<2

<2

<9

<3 930745 040693 050493

<2

<2

<2

<2

<3

<4

< 2

<2

<2

<8

<3 930916 050493 0601/93

<2

<4

<3

<3

<5

<6

< 2

<3

<3

< 10

<3 931085 OGU1/93 062993

<3

<3

<2

<3

<6

<6

< 3

<3

<3

< 10

<3 931292 06/2393 07/27/93

<3

<3

<2

<3

<6

<6

< 3

<3

<3

< 10

<3 931431 07/27/93 08/2493

<2

<2

<2

<2 e3

<3

< 2

<2

<2

<7

<2 931586 08/2493 OS21/93

<2

<3 e2

<2

<4

<4 4 2

<2

<2

<7

<3 931788 0321!33 10/1R93

<2

<2

<2

<2

<3

<4

<2

<2

<2

<6

<3

(

931953 10/ta93 11/1693

<2

<2

<2

<2

<4

<5

<2

<2

<2

< 11

<3 932103 11/1693 12/1493

<2

<4

<3

<3

<6

<6

<3

<3

<3

< 11

<4 r

j i

72

- ~ '

TABLE B-5 (continued)

DRINKING / SURFACE WATER GAMMA ISOTOPIC ANALYSIS ON MONTHLY COMPOSITES SAMPLE LOCATION: DWP/SWP-7*

UNITS: pCi/ LITER 1AB NO BEGIN CATE END DATE h 54 Fe-59 Co 58 Co-60 Zn45 Zr-95 NtF95 Cs-134 Cs-137 Ba-140 La-140 930062 12/15cS2 01/1293

<2

<2

<2

<2

<3

<3

<2

<2

< 2

<7

<2 930250 01/1293 020393

<3

<4

<3

<3

<7

<7

<3

<2

< 3

< 13

<4 930379 020E93 03,0S93

<1

<2

<1

<2

<3

<4

<2

<2

< 2

<7

<2 930582 030E93 0406S3

<2

<3

<2

<3

<5

<6

<3

<2

< 3

<13

<5 930743 0406S3 0504S3

<2

<3

<2

<3

<5

<6

<2

<3

< 3

<9

<4 930917 050493 06 01S 3

<3

<5

<4

<4

<S

<8

<4

<4

< 4

< 17

<5

)

931086 06D143 062293

<2

<3

<2

<2

<5

<5

<2

<2

< 2

<9

<3 931293 0&2993 07/27S 3

<2

<3

<2

<2

<5

<5

<2

<3

< 2

<9

<3 931432 07/27S 3 OS2493

<2

<3

<2

<3

<5

<6

<3

<3 4 3

< tt

<3 931587 082493 0921S3

<2

<3

<3

<2

<5

<5

<3

<2

<2

< 12

<4 931789 0921S3 10/1293

<2

<3

<3

<2

<5

<6

<3

<3

<3

< 14

<4 931954 10/1S93 11/1693

<2

<2

<2

<2

<3

<4

<2

<2

<2

<9

<3 932104 11/1593 12/1493

<2

<2

<2

<2

<4

<5

<2

<3

<2

< 10

<6

• Control Location 73

.l

-b&

CL Jid 5

2 ec 8

i assa 8888 sa hh$_$ hh!_$_ ll!s" 5 0

-3 m

w-m m

ab8 asas bbs j

g_lll_A_gh!_88ll Bp R

z 1

es

~

g 3,

an b

blBa!"$@Bl$@B 8

amalama ama 4

4 s

C 99e9 99e= ete-E z

2990 w

Saa d

h5 h

8 h

a eeee cmm 45 3

bbbb b

bbbb m$

5 m

d.c 5

l l

tc L

8 1

a U

m m

t.

TABLE B-7 GROUNDWATER TRITIUM AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: GWK-1 UNITS:

pC1/ LITER LAB NO.

COLLECTION H-3 Mn-54 Fe-59 Co-58 Co40 Zn-65 Zr-95 hd95 Cs-134 Cs-137 Ba-140 La-140 DATE 930065 01/12 S 3 53

<3

<4

<3

<3

<5

<6

< 3

<3

<3

<10

<3 930626 04/1393 4 520

<2

<2

<2

<2

<4

<4

< 2

<2

<2

<9

<3 931212 07/13S3 270 +/-260

<3

<3

<2

<3

<6

<5

<3

<3

<3

<9

<3 931750 10/1293 440 +/-260

<3

<4

<3

<3

<6

<6 4 3

<3

<3

< 12

<4 t

6 L

75

TABLE B-8 SHORELINE SOIL GAMMA ISOTOPIC ANALYSIS SAMPLE LOCATIONS: ALL SAMPLE SITES UNITS: pCi/Kg l

LOCATION LAB NO.

COLLECTION Mn-54 CS58 CoC0 Cs-134 Cs-137 DATE r

l SHWE-3 930624 ON13.93

<10

< t0

<10

< 12

< 10 SHWE-3 931752 10/1293

< 11

< 11

< 11

< 14

< 10 SHWK-1 930625 04/13,93

< 13

< 12

< 13

<17 37 +/-11 SHWK-1 931751 10/1293

< 18

< 20

< 20

< 23 35 +/-15 l

1 76

TABLE B-9 MILK 10 DINE-13I AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: MKQ-5 UNITS: pCi/ LITER LAB NO.

COLLECTON 5-131-Cs-134 Cs-137 Ba-140 La-140 DATE 930015 010&93

<05

<2

<2

<7

<2 930114 Ot20S3

<04

<2

<2

<7

<2 930211 02/0193

<03

<3

<3

<9

<2

)

930289 02/1763

<05

<2

<2

<7

<2 1

930353 03,C193

<04

<3

<3

< 11

<3 930425 03!17/93

<04

<3'

<3

< 10

<3 I

i 930594 04,C7S3

< 03

<3

<3

< 15

<4 930666 0421/93

< C.3

<3

<3

< 10

<3 930748 050593

<03

< 2

<2

<8

<2 930865 05/1993

<04

< 2

<2

<8

<2 930934 O&O2S3

<04

< 2

<2

<7

<2 931017 06/1893

<04

< 2

<2

<8

<2 931159 07/07/93

< 0.3

< 3

<2

<9

<3 921258 07/21/93

<03

< 3

<3

< 14

<4 931323 0&C4S3

< 0.3

< 2

<2

<7

<2 931393 08/17/93

< 0.3

< 3

<2

<9

<2 931464 0301/93

< 0.3

< 2

<2

<7

<2 l

931544 09/1593

< 0.3 4 5

<4

< 17

<6 i

931701 1GC6/93

< 0.3

<3

<3

< 10

<3 931797 10/2093

< 0.5

<3

<2

< 12

<3 931878 110193

< 0.7

<2

<2

<9

<2 931955 11/17/93 0.3 +/-02

<3

<2

<9

<3 93203J 12/01/93

< 0.3

<4

<4

< 15

<3 932117 12/1593

< 0.3

<4

<3

< 15

<7 77 j

TABLE B-9 (continued)

MILK 10 DINE-131 AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: MKQ-45*

UNITS:

pCi/ LITER LAB NO COLLECTION 3-131*

Cs-134 Cs-137 Ba-140 La-140 DATE 930016 01.M 93

<05

<3

<3

< 10

<3 930115 01/19.93

<05

<3

<3

<9

<3 930212 02.0393

< 0.5

<2

<2

<7

<2 930290 02/17/93

<05

<3

<3

<9

<3 930354 03/02 S 3

<05

<2

<2

< 10

<3 930426 03'1693

<04

<2

<2

<9

<3 930595 0403S3

< 0.3

<3

<3

< 13

<4 930667 04/20 S3

<04

<2

<2

<8

<2 l

930749 050493

< 03

<3

<3

<9

<3 930866 05/18.93

<04

<3

<3

<9

<3 930935 060t93

<05

<3

<3

<9

<3 931018 06/1593

< 0.4

<3

<3

< 10

<3 931160 07,0G93

< 0.5

<2

<2

< 11

<3 I

931259 07/2093

<03

<2

<2

< 10

<3 l

931324 08,0393

<03

<3

<2

<9

<3 931394 08/17/93

<03

<3

<3

< 10

<3 931465 08/31/93

<03

<3

<3

-9

<3 931545 09/1493

<04

<2

<2

< 11

<3 931702 10 % 93

<03

<3

<3

< 10

<4 931798 10/19S3

< 0.6

<3

<3

< 15

<4 931879 11/02/93

< 0.7

<3

<2

< 12

<3 931956 11/1&S3

<03

<3

<3

< 11

<3 932031 11/3G93 02 +/-02

<3

<3

< 13

<3 932n8 12/1463

<a3

<3

<3

< 14

<4 Control Location 78 i

TABLE B-10 FISH GAMMA ISOTOPIC ANALYSIS

~

SAMPLE LOCATION:

FH-1*

UNITS:

pCi/Kg i

I COLLECTION LABNo DATE SAMPLE TYPE Mn-54 Fe-59 C+58 Co40 L 45 Cs-134 Cs-137 930867 05/1993 CATFtSH

<9

< 14

< 10

< 11

< 23

< 11

< 10 930868 05/1993 SHAD

< 12

< 18

< 12

< 12

< 30

< 13

< 13 93CES 05/1993 DRUM

<9

< 13

<9

< 11

< 23

< 11

< 10 930870 05/1993 STRIPED BASS

<7

< 11

<7

<7

< 16

<6

<7 931924 11/0193 CATFISH

<9

< 14

< 10

< 10

< 21

< 10

<9 931926 11/0193 SHAD

< 16

< 28

< 19

< 15

< 35

<16

< 14 931928 11/0193 ORUM

<6

< 11

<8

<7

< 15

<8

<6 l

931930 11/0193 Mui1ET

< 16

< 23

< 17

< 15

< 33

< 18

< 14 l

l l

l l

l i

l

\\

l l

i

• Control Location 79 O

Y

cw TABLE B-10 (Continued)

FIS'i GAMMA ISOTOPIC AW". LYSIS SAMPLE LOCATION: FH-2 COLLECTION LAB NO.

DATE SAMPLE TYPE Mn-54 Fe-59 Co-58 Co-60 Zn-65 Cs-134 Cs-137 930871 5/1993 CATFISH

< 13

< 19

< 14

< 15

< 33

< 16

< 14 930872-5/1993 SHAD

< 16

< 21

< 17

< 16

< 38

< 18

< 16 930873 5/1993 DRUM

< 11

<16

< 12

< 13

< 28

< 13

< 12 930874 St1&S3 STRIPED BASS

< 11

< 19

< 12

< 13

<29

< 14

< 13 931925 11/03,93 CATFISH

< 15

< 28

< 19

< 14

< 35

< 16

< 14 931927 11/0193 SHAD

< 17

< 2P

-19

< 19

< 35

<19

< 18 t

931929 11/0193 DRUM

< 11

<10

< 23

< 11

< 10 931931 11/0193 MULLET

<10

<1 2

< 12

< 26

< 12

< 11

-~

80-

TABLE-B-11 BROAD LEAF VEGETATION IODINE-131 AND GAMMA IS0 TOPIC ANALYSES SAMPLE LOCATION:

BLQ-1 UMITS:

pCi/Kg LAB NO.

COLLECTION 1-131 Cs-134 Cs-137 DATE 930171 01393

<18

<16

< 15 930317 02/2493

< 14

< 10

<9 930446 03'2493

<13

<15

< 12 930706 0428.93

< 24

< 23

< 21 930904 05/26 S 3

< 20

< 13

< 13 931050 OG'23S3

< 1B

< 12

< 13 931298 07/28S3

< 23

< 23

< 23 931434 08/25/93

< 22

< 20

< 19 931574 09/22 S3

< 27

< 26

< 24 931823 10/27/93

< 19

<19

< 16 931972 11/22S3

< 21

<19

< 21 932137 12/20 S3

< 10

<9

<8 81

..m-

TABLE 8-11 (continued)

BROAD LEAF VEGETATION 10 DINE-I31 AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: BLB-1 UNITS: pC1/Kg TAB NO.

CCi.LECTION 1-131 Cs-134 Cs-137 DATE 930172 01/27/93

< 10

< 12

<10 930318 02/2493

< 11

<10

<9 930447 03/2493

< 14 et7

< 12 930707 04393

<8

• 8

<8 930905 05/26 S3

< 25

< 15

< 14 931051 052193

< 11

<9

<8 931299 07/2BS3

< 21

< 17

< 22 931435 08/2593

< 22

< 24

< 20 931575 9/22S3

< 23

< 22

< 20 931824 10/27 S 3

< 20

< 23

< 20 931973 11!2233

<15

< 17

< 15 932138 12/2GS3

< 23

< 24

< 21 82 p

4---,

TABLE B-11 (continued)

BROAD LEAF VEGETATION 1001HE-131 AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: BLK-15*

UNITS: pC W g LAB NO.

COLLECT!ON l-131 Cs-134 Cs-137 DATE 930173 01/27C3

< 15

< 15

< 14 930319 02/2493

< 12

< 12

< 11 930448 03/2493

< 17

<15

< 15 930708 04'2893

< 14

< 14

< 12 930906 57693

< 17

< 13

< 11 93t052 06'2393

< 21

< 17

< 16 931300 07/2&S3

< 24

< 21

< 18 931436 082593

< 26

< 27

< 25 931576 09.'22,93

< 23

< 20

< 19 931825 1W27193

< 11

< 12

< 10 931974 11/22/93

< 20

< 20

< 21 932139 12.'20/93

< 29

< 30

< 2B

• Control location 83 D

TABLE B-12 VEGETATION - FOOD PRODUCTS 10 DINE-131 AND GAMMA ISOTOPIC ANALYSES SAMPLE LOCATION: ALL SAMPLE SITES UNITS: pCi/Kg LAB NO.

LOCATION COLLECTION l-131 Cs-134 Cs-137 DATE 931753 FPG-1 10,08/93

< 27

< 12

< 11 931754 FFP-1 1GOS93

< 27

< 13

< 12 84

b9

-d

-te" 6

r>.?-

A e

i.

l.

a r

o

\\

APPENDIX C

SUMMARY

OF INTERLABORATORY COMPARISONS M

85

l l

EPA CROSS CHECK RESULTS EPA PREP DATE MEDIA NUCLIDE EPA ESI, SYSTEM NORM DEV.

DATE RESULTS RESULTS CilEMISTRY KNOWN ISSUED RESULTS 10/20/92 02/26/93 WATER Beta 53.0 34.67

-3.18'* 1 BLIND B Co 60 15.0 15.00 0.00 (pCi/L)

Cs-134 5.0 5.33 0.12 Cs-137 8.0 9.33 0.46 02/05/93 04/20/93 WATER I131 100.0 100.00 0.00 (pCi/L)

(W 20/93 08/19/93 WATER Beta 177.0 154.33

-1.45 BLIND B Co-60 39.0 41.67 0.92 (pCi/L)

Cs-134 27.0 26.00

-0.35 Cs-137 32.0 34.33 0.81 06/04/93 08/19/93 WATER 11-3 9844.0 10453.33 1.07 (pCi/L) 06/11/93 08/27/93 WATER Co.60 15.0 15.33 0.12 GAMMA Zn 65 103.0 103.33 0.06 (pCi/L)

Ru.106 119.0 107.00

-1.73 Cs-134 5.0 6,00 0.35 Cs-137 5.0 6.00 0.35 Ba 133 99.0 102.00 0.52 10/08/93 12/30/93 WATER l l31 117.0 117.67 0.10 (pCi/L) 08/27/93 12/30/93 AIR FILTER Beta 47.0 47.67 0.23 (pCi/F)

Cs-137 9.0 8.67 0.12 09/24/93 01/07/94 MILK 1 131 120.0 118.00

-0.29 GAMMA Cs 137 49.0 48.00

-0.35 (pCi/L)

K (Total) 1679.0 1636.00

-0.89 11/05/93 01/14/94 WATER 11 3 7398.0

$762.67

-1.49 (pCi/L)

• • 1 A new efficiency curve was determined for the beta counter Recalculation of the beta in water sample using the new efficiency curve gives results within the control limits.

86

M i b

4 h

d APPENDIX D-SYN 0PSES OF ANALYTICAL PROCEDURES t

87

l D-1.0 ANALYSIS OF SAMPLES FOR GROSS BETA ACTIVITY D-1,1 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.

0-1.2 Water A known volume of water, usually 200 milliliters, was reduced by evaporation, transferred to a two inch diameter planchet, and evaporated to dryness. The planchet was counted for 100 minutes in an automatic alpha-beta counter.

D-2.0 ANALYSIS OF WATER SAMPLES FOR TRITIUM 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 scintillation counter.

D-3.0 ANALYSIS OF SAMPLES FOR 10 DINE-131 D-3.1 Milk and Water Up to 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. The iodine was stripped from the resin with sodium hypochlorite solution, reduced with hydroxylamine hydrochloride, and extracted into carbon tetrachioride as free iodine.

It was back-extracted as iodide into sodium bisulfite solution and precipitated as palladium iodide. The precipitate, palladium iodide, was weighed for chemical yield and mounted on a nylon planchet level beta analysis. The chemical yield was corrected by measuring the stable iodide content of the milk or water with a specific ion electrode.

D-3.2 Broad Leaf Veaetation 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.

Refer to Section E-4.2 for a description of gamma spectroscopy procedure.

88

F:

4 D-4.0 GAMMA SPECTROSCOPY ANALYSIS Air particulate filters and iodine cartridges, water, milk, broadleaf vegetation, sediment, food products and fish samples are analyzed by gamma spectroscopy.

Initially, the 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.

Additionally, after comparing each specific peak energy with a library of peaks for isotopic identification the program performs the radioactivity calculation using the appropriate fractional gamma ray abundance, half life, detector efficiency, and net counts in the peak region.

D-5.0 ENVIRONMENTAL DOSIMETRY Thermoluminescent Dosimeters (T'.Ds) manufactured by Panasonic (model U0-814) were used for environmental dosimetry. Although the Panasonic TLDs contain one lithium borate and three calcium sulfate phosphor elements, only the calcium sulfate phosphor elements were used.

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).

i 1

89 i

_