Text

2002 Annual Radiological Environmental Operating Report for San Onofre, Units 1, 2 and 3
	ML031250282
Person / Time
Site:	San Onofre
Issue date:	04/25/2003
From:	Hansen N, Hirsch J, Mary Johnson, Newton H, Scherer A; San Diego Gas & Electric Co, Southern California Edison Co
To:	; NRC/FSME
References
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	Download: ML031250282 (117)
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2002 Radiological Environmental Operating Report San Onofre Nuclear Generating Station I-. II Southern California Edison An Edison InternationalCompany San Diego Gas and Electric Company Docket Nos. 50-206, 50-361, 50-362 License Nos. DPR-13, NPF-10, NPF-15 SOUTHERN CALIFORNIA EDISON April 2003 An LIMDON I\1IRN.ATIONAL Company

2002 ANNUAL RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT San Onofre Nuclear Generating Station UNITS 1, 2,&3 Southern California Edison An Edison InternationalCompany San Diego Gas and Electric Company Prepared by: N. A. Hansen 4/10/03 Ik Approved by: M. J. Johnson i- ---- ) 0 4123/03 Approved by: H. W. Newton v 4/23/03 I- - ,

I Approved by: A. E. Scherer, 4 /z*03 Approved by: J. F. Hirsch - 4 /23/103 APRIL 2003

TABLE OF CONTENTS Page Table of Contents .................................................................. i EXECUTIVE

SUMMARY

/ INTRODUCTION ......................................... 1 Objectives ................................................................. 2 Sample Collection . ........................................................... 2 Sources of Radioactivity . ..................................................... 2 Exposure Pathway . ........................................................... 3 Regulatory Limits, Guidance and Requirements .................................... 4 Data Management . ........................................................... 5 Detection Limit Terminology .............. .................................... 6 Conclusion ................................................................. 7 References ................................................................. 8 APPENDIX A - Sample Type and Sampling Location ................ 11.................

1 Table A-I REM Sample Locations .12 Table A-2 Sector and Direction Designation for REMP Sample Location Map .18 Figure 5-1 San Onofre REMP - One Mile Radius .19 Figure 5-2 San Onofre REMP - Two Mile Radius .20 Figure 5-3 San Onofre REMP - Five Mile Radius .21 Figure 5-4 San Onofre REMP -30 Mile North .22 Figure 5-5 San Onofre REMP -45 Mile South .23 APPENDIX B - Summary, Results, and Discussions of 2002 Environmental Data ..... ......... 25 Summary ................................................................. 26 Results and Discussions of 2002 Environmental Data ........... .. ................. 27 Table B-I Summary of SONGS Related Gamma Isotopic Analyses Confirmed above MDC ............................................. 33 Table B-2 REMP Sample Analysis Summary for 2002 ......... .. ............... 34 Statistical Summary of REMP Data for 2002 ................ ..................... 37 Table IA Quarterly Gamma Exposure (millirem) .38 Table 2 Weekly Airborne Particulates - Gross Beta .39 Table 3 Weekly Radioiodine I-131 Activity .40 Table 4A Quarterly Composite Airborne Particulates Gamma Spectral Analysis 41 Table 5 Monthly Ocean Water Gamma Spectral Analysis .42 Table 7 Quarterly composite Ocean Water Tritium Activity .44 i

Table 9A Monthly Drinking Water Analysis ........ .................... 45 Table 10 Semi-Annual Shoreline Sediment Gamma Spectral Analysis ....... 47 Table 11 Semi-Annual Ocean Bottom Sediment Gamma Spectral Analysis ... 48 Table 12A Semi-Annual Non-Migratory Marine Animals Analysis - Flesh ..... 49 Table 13A Semi-Annual Local Crops Gamma Spectral Analysis ..... ........ 57 Table 14 Annual Soil Analysis . ..................................... 60 Table 15 Semi-Annual Kelp Analysis ........... ...................... 61 APPENDIX C - Summary of 2002 Quality Control Programs .62 Interlaboratory Cross-Check Program .63 Split Sampling Program with DHS .63 Comparison of TLD and PIC Data .63 Quarterly Duplicate TLDs .64 Annual Duplicate TLD .65 Calibration of Air Sampler Volume Meters .65 Table C-1 2002 Analytics Cross-Check Program Summary .66 APPENDIX D - Comparison of Operational to Preoperational Data and Analysis of Trends .. 72 Comparison of Operational to PreOperational Data and Analysis of Trend . .73 Table D-1A Shoreline Sediments Concentration (pCi/g, wet weight) PreOperational and Operational Data SONGS Units 2 and 3 .78 Table D-1B Ocean Bottom Sediments Concentration (pCi/g, wet weight) PreOperational and Operational Data SONGS Units 2 and 3 .78 Table D-2 Marine Species Concentrations (pCi/g, wet weight) PreOperational and Operational Data SONGS Units 2 and 3 .80 Table D-3 Soil PreOperational and Operational Data (pCi/g, wet weight)

SONGS Units 2 and 3 .85 Table D-4 Kelp PreOperational and Operational Data (pCi/g, wet weight)

SONGS Units 2 and 3 .85 APPENDIX E - Deviations from ODCM Sampling Requirements in 2002 .86 Deviations from ODCM Sampling Requirements in 2002 .87 Part I Terrestrial Sampling .87 Part II Marine Sampling .89 APPENDIX F - Land Use Census .94 Introduction .95 The Study Area .95 Methodology .95 Definitions .95 ii

Table F-1 2002 SONGS Units 2/3 LUC Five Mile Radius Summary Sheet .... ...... 97 Table F-2 2002 SONGS Unit 1 LUC Summary Sheet (Five Mile Radius) .... ....... 99 APPENDIX G - Figures for 2002 ....................... ............................ 101 Figure 1 Potential Radiation Exposure Pathways Leading to Man .102 Figure 2A Direct Radiation Monitoring - Quarterly Environmental TLD Dose Measurements in mR Selected TLDs Located Very Close to SONGS vs.

Selected CONTROL TLDs .103 Figure 2B Direct Radiation Monitoring - Quarterly Environmental TLD Dose Measurements in mR Selected Outer Ring Locations vs. Selected CONTROL Locations .104 Figure 3A Monthly Average Airborne Particulates - Gross Beta Activity (1976-1988)

Preoperational and Operational Data for SONGS Units 2 and 3 105 Figure 3B Monthly Average Airborne Particulates - Gross Beta Activity (1990-2002)

Preoperational and Operational Data for SONGS Units 2 and 3 . 106 Figure 3C 2002 Weekly Airborne Particulate Gross Beta Activity SONGS Units 2 and 3 .107 Figure 4 I-131 In Aquatic Kelp .108 APPENDIX H - Errata to the 2001 AREOR .......................................... 109 APPENDIX I - REMP TLD's Co-located with NRC TLDs ............ ................... 110 Hii

Executive Summary The data from the San Onofre Nuclear Generating Station (SONGS) Radiological Environmental Monitoring Program (REMP) clearly indicates that SONGS had no measurable radiological environmental impact during 2002.

Preparation of the 2002 Annual Radiological Environmental Operating Report (AREOR) used the data reduction protocol described in NUREG/CR-4007. A meaningful analysis of data at, near, or below the detection limit must necessarily involve a consideration of the degrees of uncertainty associated with the data. Excluding naturally occurring radionuclides, approximately 5% of the 2002 SONGS REMP data set was above the critical level (1.64 sigma),

which is characteristic of a database consisting entirely of values statistically equal to zero. The data above the critical level have been summarized in the Statistical Summary of REMP Data found in Appendix B. The plant related radionuclides (Cs-137 in soil and I-131 in kelp) detected at the 3 sigma (99%) confidence level may be attributable to fallout from nuclear weapons testing (Cs-137) and medical administrations of radionuclides (I-131). These isotopes have been detected at indicator as well as control locations in past years. The naturally occurring radionuclides (Be-7, K-40, and Th-228) detected at the 99% detection confidence level were observed in both control and indicator locations at substantially similar concentrations and are not related to the operation of SONGS. The balance of 2002 SONGS REMP database displays behavior statistically equal to a null set. Refer to Appendix B for a more detailed discussion.

INTRODUCTION SONGS consists of three pressurized water nuclear reactors housed in separate containment buildings. Unit 1 attained initial criticality June 1967 and was permanently retired from service in November 1992. Unit 2 and Unit 3 attained initial criticality in July 1982 and August 1983, respectively, and have been in operation to date.

The purpose of the REMP is to quantify ambient radiation levels in the environs of SONGS, and to identify and quantify concentrations of radioactivity in various environmental media in the vicinity of SONGS which have a potential radiation exposure pathway to man.

Thermoluminescent dosimeters (TLDs) were used to measure direct radiation levels. Sampled environmental media include soil, shoreline sediment (beach sand), air (particulate & iodine),

local crops, non-migratory marine species, kelp, drinking water, ocean water, and ocean bottom sediments. Each of the samples was analyzed for both naturally-occurring and SONGS-related radionuclides.

The REMP is conducted in accordance with Section 5.0 of the SONGS Unit I and 2/3 Offsite Dose Calculation Manuals (ODCM).

To conform with 10CFR Part 50, Appendix I, Section IV-B.2, measured radioactivity concentrations in the environmental samples have been compared against predicted (calculated) ones to evaluate the relationship between quantities of radioactive material released in effluents and resultant radiation doses to individuals from principal pathways of exposure.

1

This comparison was documented in Appendix D of the 1993 AREOR, issued April, 1994.

During 2002 no plant related radionuclides attributable to the operation of SONGS were detected outside the Exclusion Area Boundary.

A land use census was performed in 2002 to ensure that changes in the use of areas at and beyond the SITE BOUNDARY are identified and that modifications to the monitoring program are made if required by the results of this census. Appendix F of the report identifies changes to the census and the resultant dose increase, if any, to individuals from principal pathways of exposures in conformance with 10CFR Part 50, Appendix I, Section IV. B.3.

OBJECTIVES

1. To fulfill the radiological environmental monitoring requirements of the ODCM and the Technical Specifications.

2. To detect any significant increase in the concentration of radionuclides in critical pathways.

3. To detect any significant change in ambient gamma radiation levels.

4. To verify that the operation of SONGS Units 1, 2 and 3 have no assessable detrimental effects on the health and safety of the public or the environment.

SAMPLE COLLECTION Samples of various environmental media were obtained in order to meet the stated objectives.

The selection of sample types was based on established critical pathways for the transfer of radionuclides through the environment to individuals, and the evaluation of data during the operational phase. Sampling locations were determined with consideration given to site meteorology, local demography, and land uses. Refer to Appendix A for a complete list of REMP sample locations as described in Table 5-4 and Table 5-5 of the ODCM.

Sampling locations were divided into two classes, indicator and control. Control stations were at locations considered to be unaffected by SONGS operations. All others are considered indicator locations and may be potentially effected by SONGS operations.

SOURCES OF RADIOACTIVITY Plant-specific radionuclides are produced in the normal operation of a nuclear power plant. Most of the fission products are retained within the fuel and its cladding. A small fraction of fission products such as cesium-137 (Cs-137) and iodine-131 (I-131), and activation products such as cobalt-60 (Co-60), are present in the primary reactor cooling system. Noble gases are also produced during the fission process.

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Radioactive liquid and gaseous waste releases to the ocean and the atmosphere may contain very minute concentrations of plant-produced radionuclides. The airborne radioactive noble gases released are mostly xenon and krypton, which are inert (non-reactive). They do not concentrate in the body, but they may contribute to human radiation exposure as an immersion source for whole body exposure. Xenon-133 and xenon-135 are the major radioactive noble gases released to the atmosphere, and their calculated offsite beta and gamma air doses are less than 0.1 mrad per year.

The releases of iodines and particulates in the gaseous and liquid effluents are small. The major radionuclides of interest are I-131, Cs-134, Cs-137, Co-58, and Co-60. The total releases for these radionuclides were well below applicable regulatory limits.

Tritium (H-3), the radioactive isotope of hydrogen, is the predominant radionuclide in the liquid effluents and is also present in gaseous effluents. Tritium is produced in the reactor water (coolant) as a result of Boron activation and other nuclear reactions.

EXPOSURE PATHWAY Figure 1 illustrates various exposure pathways resulting in radiation dose to the surrounding population from operation of a nuclear facility. Only a few pathways will have real dose potential and require detailed calculations.

a. External Exposure External exposure to people during normal operations will include radioactive gases in gaseous effluent plumes, radionuclides deposited on soil, and vegetation, or shoreline sediments. Direct exposure from radionuclides in water during recreation or commercial fishing activity is insignificant. Accumulation in sediments has the greater potential as a source of exposure. Gamma dosimeters (TLDs) are the usual means of measuring direct radiation exposure since significant dose contributors are gamma-emitters.

b. Internal Exposure The release of radioactivity in liquid effluents involves pathways such as fish consumption and direct exposure from the ocean water by swimming and the shoreline activities. Consumption of fish or crops from the area receiving liquid effluents and breathing contaminated air from the gaseous effluents releases are the most probable sources of internal exposure.

The doses calculated from gaseous effluent, tritium, radioiodines, and particulates of the gaseous effluent within a five-mile distance from the plant were summarized in Appendix D of the 1993 AREOR. Refer to the 1993 AREOR for detailed information on this analysis.

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REGULATORY LIMITS. GUIDANCE. AND REOUIREMENTS

IOCFR50 The Code of Federal Regulations Title 10, Part 50, Appendix I.

40CFRI90 The EPA has established environmental radiation protection standards for nuclear power plants in 40CFR1 90. The standards for normal operation recommended that the dose from all discharges of radioactivity should not exceed 25 mrem/yr. These limits are applicable to the sum of both liquid and gaseous effluents and direct radiation. The environmental doses calculated at SONGS are a small fraction of the dose limits established by the Environmental Protection Agency (EPA).

10CFR20 10CFR20, Appendix B, Tables 2 and 3, "Effluent Concentrations" and "Concentration for release to Sewerage" Guidance:

Regulatorv Guide 4.1 Programs for Monitoring Radioactivity in the Environs of Nuclear Power Plants, 1975

Regulatorv Guide 4.2 Preparation of Environmental Reports for Nuclear Power Stations, 1976

Regulatory Guide 4.8 Environmental Technical Specifications for Nuclear Power Plants, 1975

Regulatory Guide 4.13 Performance, Testing, and Procedural Specification for Thermoluminescent Dosimetry:

Environmental Applications, 1977

NUREG-0 133 Preparation of Radiological Effluent Technical Specifications for Nuclear Power Plants

Regulatory Guide 1. 109 4

Calculation of Annual Doses to Man from Releases of Reactor Effluents for the Purpose of Evaluating Compliance with 10CFR Part 50, Appendix I, 1977

NUREG-1301 Offsite Dose Calculations Manual Guidance: Standard Radiological Effluent Controls for Pressurized Water Reactors, Generic Letter 89-01, Supplement No. 1, 1991

ANSI N545 (TLD's)

American National Standard Performance, Testing, And Procedural Specifications for Thermoluminesence Dosimetry (Environmental Application), 1975

Regulatory Guide 4.15 Quality Assurance for Radiological Monitoring Programs (Normal Operations) - Effluent Streams and the Environment, 1979

NUREG/CR-4007 Lower Limit of Detection: Definition and Elaboration of a Proposed Position for Radiological Effluent and Environmental Measurements, 1984 DATA MANAGEMENT The tabulated means, ranges and standard deviations presented in Appendix B were calculated following the standard format specified in Regulatory Guide 4.8, the Radiological Assessment Branch Technical Position, revision 1, 1979, and in accordance with the protocol outlined in NUREG/CR-4007. A custom data management software package was used to perform the statistical analysis and tabulation of the data.

The REMP data are reviewed for accuracy and comparison against NRC reporting levels, and then entered into the REMP database. One of the REMP menus flags measurements exceeding the administrative levels (10% of the NRC reporting levels) established by Southern California Edison (SCE). The a posterioriminimum detectable concentration (MDC) is compared to the maximum value for the a prioriLower Limit of Detection (LLD) specified in the ODCM. This insures that regulatory limits for the maximum LLD are met.

The impact of SONGS on the surrounding environment was assessed through a series of analyses. These analyses included: data reduction, comparisons of indicator to control locations, and summary (Appendix B); comparison of operational to preoperational environmental data (Appendix D); summary of deviations from sampling requirements and corrective actions taken (Appendix E); and finally the results of the 2002 Land Use Census reports including changes in the Land Uses from the previous year (Appendix F).

All Radiological Environmental Monitoring activities for San Onofre are assessed in accordance with Quality Assurance requirements as defined in Regulatory Guide 4.15. The Contracted 5

Environmental Analysis Laboratory (CEAL) participated in an interlaboratory comparison program in partial fulfillment of the quality assurance requirements for environmental monitoring. The CEAL participated in cross check programs, which meet the intent of Reg Guide 4.15. A split sampling program was conducted in cooperation with the State of California Department of Health Services. Refer to Appendix C.

DETECTION LIMIT TERMINOLOGY This report utilizes four distinct terms to describe the concept of "lower limit of detection" at various detection confidence levels. The terms are briefly defined below. For a more thorough discussion, the reader should refer to NUREG/CR-4007.

Critical level - Defined as 1.64 sigma. For a sufficiently large database of isotopically analyzed sample results, with the "true" activity being equal to zero, approximately 5% of the results should be above the critical level. The 2002 SONGS REMP data above the critical level have been summarized in the Statistical Summary of REMP Data found in Appendix B.

Approximately 5% of the total listed analyses are above the critical level.

Lower Limit of Detection (LLD) - The LLD is the a priori (before the fact) lower limit of detection. This value is calculated for each isotope and every matrix based on typical or expected values of decay time, sample size, counter efficiency, etc. These values are listed in the ODCM and represent the maximum permissible value for the "lower limit of detection" for specified sample media.

Minimum Detectable Concentration (MDC) - The MDC is the a posteriori(after the fact) lower limit of detection based on actual decay time, measured sample size, counter efficiency as determined by recent calibration, etc. The MDC is compared to the LLD to verify that the measurement met the ODCM requirements for the maximum value of the LLD for the listed analytes. Values above the MDC are presumed to represent "detected" activity at the 95%

detection confidence level. Three sigma (99% confidence level) - Sample analysis results above this level are "detected" with less than a 1 % probability of a "false positive."

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CONCLUSION Levels of radioactivity in environmental media are a function of several factors including: site release rates; meteorology; number, location, size and date of nuclear weapons tests; seasonal variability of fallout; soil conditions; local terrain and variability in the natural environment.

Radiological environmental data collected throughout 2002 have been evaluated to determine the impact, if any, of San Onofre operations on the surrounding environment. To accomplish this, several methods of evaluation were employed, namely:

1. Compilation and verification of all data, as well as a determination of those data considered to be significantly greater than background levels.

2. Environmental dose calculations and correlation of effluent releases with environmental concentrations (Refer to the 1993 AREOR).

3. Examination of time-dependent variations of pertinent radioisotopes in selected environmental media throughout the year at both indicator and control locations.

4. Comparison of radioactivity in various media in 2002 against the levels observed in pre-operational years.

5. Historical trending of radionuclides in various media during operational years.

In comparing these findings to the conservatively-defined limits of the facility operating licenses, it is concluded that the radiological environmental impact of the operation of SONGS through 2002 has been negligible, and the resulting dose to man is negligible.

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REFERENCES

1. 10CFR20, 10CFR50

2. 1993 Radiological Environmental Operating Report for San Onofre Nuclear Generating Station, April 30, 1994.

3. Land Use Census for SONGS Units 1,2 and 3 Radiological Environmental Monitoring Program, October 2002.

4. ODCM (Offsite Dose Calculation Manual) for SONGS Units 1, 2 and 3, Section 5.0, 2002.

5. SONGS Radiological Monitoring (RM) Procedures: S0123-RM-1 (SO123-IX-1.10).

6. L. Currie. 1968 "Limits for the Qualitative Detection and Quantitative Determination -

Application to Radiochemistry," Analytical Chemistry, vol. 40 pp. 586-593 8

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APPENDIX A SAMPLE TYPE AND SAMPLING LOCATION 11

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING SAMPLE LOCATIONS DISTANCE

DIRECTION

TYPE OF SAMPLE AND SAMPLING LOCATION (miles) (Sector)

DirectRadiationf**

1 City of San Clemente (Former SDG&E Offices) 5.7 NW 2 Camp San Mateo - MCB 3.5 N 3 Camp San Onofre - MCB 2.6 .NE 4 Camp Homo - MCB 4.5 E 6 Old Route 101 (East-Southeast) 3.0 ESE 8 Noncommissioned Officers Beach Club 1.4 NW 10 Bluff (Adjacent to PIC #1) 0.7 WNW 11 Former Visitor's Center 0.4** NW 12 South Edge of Switchyard 0.2** E 13 Southeast Site Boundary (Bluff) 0.4 ** ESE 15 Southeast Site Boundary (Office Building) 0.1 ** SSE 16 East Southeast Site Boundary 0.4** ESE 17 Transit Dose --- ---

18 Transit Dose --- ---

19 San Clemente Highlands 5.0 NNW 22 Former US Coast Guard Station - San Mateo Point 2.7 WNW 23 Samaritan Hospital - San Clemente 8.1 NW

Distance (miles) and Direction (sector) are measured relative to Units 2 & 3 midpoint.

Direction determined from degrees true north.

- Distances are within the Units 2 & 3 Site Boundary (0.4 mile in all sectors) and not required by The ODCMs

Out of sequence Sample numbers due to program modifications MCB Marine Corp Base Camp Pendleton PIC Pressurized Ion Chamber 12

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING SAMPLE LOCATIONS DISTANCE

DIRECTION

TYPE OF SAMPLE AND SAMPLING LOCATION (miles) (Sector)

Direct Radiation (Continued) * *

31 Aurora Park - Mission Viejo 18.6 NNW 33 Camp Talega - MCB 5.7 N 34 San Onofre School - MCB 1.9 NW 35 Range 312 - MCB 4.7 NNE 36 Range 208C - MCB 4.2 NE 38 San Onofre State Beach Park 3.3 SE 40 SCE Training Center - Mesa (Adjacent to PIC #3) 0.7 NNW 41 Old Route 101 -East 0.3** E 44 Fallbrook Fire Station 17.7 E 46 San Onofre State Beach Park 0.9 SE 47 Camp Las Flores - MCB 8.6 SE 49 Camp Chappo - MCB 12.8 ESE 50 Oceanside Fire Station 15.6 SE 53 San Diego County Operations Center 44.3 SE 54 Escondido Fire Station 31.8 ESE 55 San Onofre State Beach 0.2** W

Distance (miles) and Direction (sector) are measured relative to Units 2 & 3 midpoint.

Direction is determined from degrees true north.

- Distances are within the Units 2 & 3 Site Boundary (0.4 mile in all sectors) and not required by The ODCMs

- - Out of sequence Sample numbers due to program modifications MCB Marne Corp Base Camp Pendleton PIC Pressurized Ion Chamber 13

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING SAMPLE LOCATIONS DISTANCE

DIRECTION

TYPE OF SAMPLE AND SAMPLING LOCATION (miles) (Sector)

DirectRadiation (Continued) ***

56 San Onofre State Beach 0.2** W 57 San Onofre State Beach (Unit 2) 0.1 ** WSW 58 San Onofre State Beach (Unit 3) 0.1 ** S 59 SONGS Meteorological Tower 0.3 ** WNW 60 Transit Control Storage Area --- ---

61 Mesa - East Boundary (Adjacent to PIC #4) 0.7 N 62 MCB - Camp Pendleton (Adjacent to PIC #5) 0.6 NNE 63 MCB - Camp Pendleton (Adjacent to PIC #6) 0.6 NE 64 MCB - Camp Pendleton (Adjacent to PIC #7) 0.6 ENE 65 MCB - Camp Pendleton (Adjacent to PIC #8) 0.7 E 66 San Onofre State Beach (Adjacent to PIC #9) 0.6 ESE 67 Former SONGS Evaporation Pond (Adjacent to PIC #2) 0.6 NW 68 Range 210C - MCB 4.3 ENE 73 South Yard 0.4** ESE 74 Oceanside City Hall 15.6 SE 75 Gate 25 MCB 4.6 SE 76 El Camino Real Mobil Station 4.6 NW 77 Area 62 Heavy Lift Pad 4.3 N 78 Sheep Valley 4.4 ESE

Distance (miles) and Direction (sector) are measured relative to Units 2 & 3 midpoint.

Direction is determined from degrees true north.

- Distances are within the Units 2 & 3 Site Boundary and are not required by The ODCMs

Out of sequence Sample numbers due to program modifications MCB Marine Corp Base Camp Pendleton PIC Pressurized Ion Chamber 14

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING SAMPLE LOCATIONS DISTANCE

DIRECTION

TYPE OF SAMPLE AND SAMPLING LOCATION (miles) (Sector)

Airborne ***

1 City of San Clemente (City Hall) 5.1 NW 7 AWS Roof 0.18 ** NW 9 State Beach Park 0.6 ESE 10 Bluff 0.7 WNW 11 Mesa EOF 0.7 NNW 12 Former SONGS Evaporation Pond 0.6 NW 13 Marine Corp Base (Camp Pendleton East) 0.7 E 14 Mesa Medical Facility 0.7 NNW 15 Oceanside City Hall (CONTROL) 15.6 SE Soil Samples I Camp San Onofre 2.6 NE 2 Old Route 101 - East Southeast 3.0 ESE 3 Basilone Road / I-5 Freeway Off ramp 2.0 NW 5 Former Visitor's Center (East Site Boundary) 0.4 ** NW 6 Oceanside (CONTROL) 16.0 SE

Distance (miles) and Direction (sector) are measured relative to Units 2 & 3 midpoint.

Direction is determined from degrees true north

- Distances are within the Units 2 & 3 Site Boundary (0.4 mile in all sectors) and not required by The ODCMs.

- - Out of sequence Sample numbers due to program modifications 15

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING SAMPLE LOCATIONS DISTANCE

DIRECTION

TYPE OF SAMPLE AND SAMPLING LOCATION (miles)

\ ,

(Sector)

\ _ ,

Ocean Water A Station Discharge Outfall - Unit 1 0.6 SW B Outfall - Unit 2 1.5 SW C Outfall - Unit 3 1.2 SSW D Newport Beach (CONTROL) 30.0 NW Drinking Water 4 Camp Pendleton Drinking Water Reservoir 2.2 NNW 5 Oceanside City Hall (CONTROL) 15.6 SE Shoreline Sediment (Beach Sand) 1 San Onofre State Beach 0.6 SE 2 San Onofre Surfing Beach 0.8 WNW 3 San Onofre State Beach 3.5 SE 4 Newport Beach North End (CONTROL) 29.2 NW Local Crops 1 San Clemente Ranch 2.6 NW 2 Southeast of Oceanside (CONTROL) 15-25 SE to ESE 4 San Clemente Residence (Ola Vista) 4.4 NW 6 SONGS Garden 0.4 NNW

Distance (miles) and Direction (sector) are measured relative to Units 2 & 3 midpoint.

Direction is determined from degrees true north.

16

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING SAMPLE LOCATIONS DISTANCE

DIRECTION

TYPE OF SAMPLE AND SAMPLING LOCATION (miles) (Sector)

Non-Migratory MarineAnimals A Unit 1 Outfall 0.9 WSW B Units 2 and 3 Outfall 1.5 SSW C Laguna Beach (CONTROL) 18.2 NW Kelp A San Onofre Kelp Bed 1.5 S B San Mateo Kelp Bed 3.8 WNW C Barn Kelp Bed 6.3 SSE E Salt Creek (CONTROL) 11 to 13 WNW to NW Ocean Bottom Sediments **

B Unit I Outfall (0.6 mile West) 0.8 SSW C Unit 2 Outfall 1.6 SW D Unit 3 Outfall 1.2 SSW E Laguna Beach (CONTROL) 18.2 NW F SONGS Upcoast 0.9 WSW

Distance (miles) and Direction (sector) are measured relative to Units 2 & 3 midpoint.

Direction is determined from degrees true north

- Out of sequence sample numbers are due to program changes 17

TABLE A-2 SECTOR AND DIRECTION DESIGNATION FOR REMP SAMPLE LOCATION MAP DEGREES TRUE NORTH FROM SONGS 2 AND 3 MIDPOINT NOMENCLATURE Sector Center Sector 22.50 Limit Line Limit Sector Direction 348.75 0 & 360 11.25 A N 11.25 22.5 33.75 B NNE 33.75 45.0 56.25 C NE 56.25 67.5 78.75 D ENE 78.75 90.0 101.25 E E 101.25 112.0 123.75 F ESE 123.75 135.0 146.25 G SE 146.25 157.0 168.75 H SSE 168.75 180.0 191.25 J S 191.25 202.5 213.75 K SSW 213.75 225.0 236.25 L SW 236.25 247.5 258.75 M WSW 258.75 270.0 281.25 N W 281.25 292.5 303.75 P WNW 303.75 315.0 326.25 Q NW 326.25 337.5 348.75 R NNW 18

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Drinking Water wa TLD locations X Kelp Samples 0I Marine Species O Ocean Bottom Sediment i Ocean Water 4 Local Crop Sample COUNTY BOUNDARY Sector N

-- - ~MILITARY BOUNDARY "iW "

FREEWAY STREET 3113103

Figure 5-5 San Onofre REMP 45 Mile South

Units 2/3 Midpoint X Soll Sample e Air Samples

+ Shoreline Sediment

Drinking Water H TLD locations X Kelp Samples 0I Marine Species a Ocean Bottom Sediment r Ocean Water 4 Local Crop Sample

- ' - COUNTY BOUNDARY

-- - MILITARY BOUNDARY FREEWAY STREET 3/13/03

_Mevt I PsA,v e (-T'- t sV"Z

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APPENDIX B

SUMMARY

, RESULTS, AND DISCUSSIONS OF 2002 ENVIRONMENTAL DATA 25

SUMMARY

To assess the changes or trends in the radioactivity level in the environment over the past year, the data from January 2002 to December 2002 were evaluated. The 2002 REMP data were evaluated according to the criteria described in NUREG/CR-4007 and with the methodology described by Currie (1968).* The REMP data above the critical level (1.64 times one sigma) for selected radionuclides, were reduced and tabulated in the Statistical Summary of REMP Data in accordance with the format specified in Reg Guide 4.8. It should be noted that in an ideal database with the "true" value of each data point equal to zero, five (5)% of the values should be expected to be above the critical level. Excluding natural radionuclides (Be-7, K40 and Th-228), approximately (5%) of the data listed in the Statistical Summary of REMP Data are above the critical level. Thus the 2002 SONGS REMP database, when examined in accordance with the Currie data reduction protocol, leads to the conclusion that SONGS had no statistically significant radiological environmental impact. A summary of the type and number of REMP samples obtained in 2002 appears in Table B-2.

As noted above, the SONGS REMP data base behaves substantially similar to a data base with values statistically indistinguishable from zero for station related isotopes. The exceptions, summarized in Table B-1, include nine (9) isotopically analyzed samples with station related activity reported above the a posterioriMDC. All sample values were significantly less than the NRC reporting levels. 1-131 was detected in kelp and Cs-137-was detected in soil. These radionuclides have been detected in CONTROL as well as indicator locations in previous years.

Cs-137 is commonly detected in environmental sediment samples because of fallout from weapons testing. Cs-137 has been intermittently detected in the indicator and in the CONTROL soil samples in past years and no correlation between Cs-137 level and proximity to the plant has been observed. The data strongly suggest that the low level Cs-137 in certain sediment samples is due to fallout and is not due to the operation of SONGS. 1-131 is a medically administered radionuclide which is often detected in sewage plant outfalls, including those routed to the Pacific Ocean. I-131 has been detected in CONTROL and indicator Kelp samples, suggesting that the source of the I-131 is external to SONGS. Additionally, there were three non routine particulate air sample analysis results above the aposterioriMDC for Cs-134 and Cs-137. See Table B-1 for discussion. We conclude that SONGS had a negligible radiological environmental impact during 2002..

Historical trending of data near and below the detection limits is necessarily limited. The concentration of radionuclides in the environs of SONGS has trended downward since the early to mid 1980s. In the past three years only a few REMP analysis results have been above the detection limit. These isotopes are detected in CONTROL as well as indicator locations and there are known sources for these radionuclides external to SONGS. The overall trend of the REMP data at SONGS is de minimis levels of anthropogenic radioactivity with occasional samples showing radioactivity above the a posterioriMDC. The 1993 AREOR included detailed historical data.

L. Cume. 1968 "Limits for the Qualitative Detection and Quantitative Determination - Application to Radiochemistry," Analytical Chemistry vol. 40 pp 586-593 26

RESULTS AND DISCUSSIONS OF 2002 ENVIRONMENTAL DATA A. DirectRadiation The purpose of this program element was to measure the quarterly environmental gamma radiation in the vicinity of SONGS. To accomplish this task, calcium sulfate (CaSO4 )

thermoluminescent dosimeters (TLDs) were placed at a minimum of 30 indicator and CONTROL locations. They were collected and analyzed quarterly in accordance with ANSI-N545 standards. TLDs within five miles of SONGS were considered indicator locations. TLDs located greater than five miles from SONGS were considered CONTROL locations. The indicator locations are selected as inner and outer rings for all three Units as required by Unit 1 and Units 2/3 Offsite Dose Calculation Manuals (ODCMs). Additional TLDs are placed at locations of interest such as schools and hospitals.

Six laboratory CONTROL TLDs were analyzed quarterly. TLD numbers 17, 18, and 60 are used for background dose normalization. TLDs #A and #B are used to compensate for transit dose. A fader TLD is used to compensate for the time and temperature dependent "fade" associated with this type of dosimeter.

After the samples were analyzed, the measured doses were corrected for pre and post field exposure times. The average routine indicator location dose was 16.7 mR with a range of 9.4 to 38.2 mR. The average CONTROL location dose was 15.3 mR with a range of 11.8 to 19.0 mR.

The routine 2002 REMP TLD data has been grouped into four categories based on distance from SONGS for the purposes of trending any correlation between distance from SONGS and total annual dose.

2002 REMP TLD data (Average Dose vs. Distance from SONGS)

Average Quarterly Dose in mR TLDs < 0.5 miles from SONGS 18.7 TLDs > 0.5 miles AND < 1.0 mile from SONGS 14.6 TLDs > 1.0 mile AND < 5.0 miles from SONGS 16.4 TLDs > 5 miles from SONGS (CONTROL TLDs) 15.3 These data indicate no correlation between total dose and distance from SONGS. The variations in the average dose is approximately equal to the median two sigma variation of measurement (1.9 mR per quarter). Statistically, the CONTROL and indicator doses are equal. The routine indicator location at the Southeast Site Boundary (location # 13, at 0.4 miles ESE of Units 2/3 midpoint) had the highest TLD average in 2002. The operation of SONGS had no impact on the environment as measured by this sample medium.

Figures 2A & 2B compare environmental radiation levels of indicator and CONTROL locations for the operational year 2002 and for previous years. These figures show the close correlation between the CONTROL and indicator location TLD dose data.

27

Nonroutine Direct Radiation Samples Duplicate QC TLDs were installed adjacent to TLD #66 and TLD #67. Refer to Appendix C for results. These TLDs were not required by the ODCM and are not included in the Statistical Summary of REMP Data.

B. Airborne Particulate,Iodine, and Composite Isotopic Analyses Air particulate samples were collected on a weekly basis from eight indicator locations and from one CONTROL location. The samples were analyzed for gross beta activity, 1-131, and composited quarterly for gamma isotopic analysis. Sample locations were selected according to the requirements of the Unit 1 and Units 2/3 Offsite Dose Calculation Manuals.

Gross beta analysis is a measure of total radioactivity of beta-emitting radionuclides in a sample.

Beta radiation is emitted by many radionuclides, but beta decay gives a continuous energy spectrum rather than the discrete lines or peaks associated with gamma radiation. Gross beta measurements only indicate whether the sample contains normal or abnormal concentrations of beta-emitting radionuclides and does not identify specific radionuclides. Gross beta measurement data serves as a screening tool to determine if further analysis is required.

Nearly all gross beta activity analysis results were above the a posterioriMDC. The concentration of gross beta activity in the samples collected from the indicator locations ranged from 0.0089 to 0.11 pCi/m 3 , averaging 0.0272 pCi/M3 of air. The concentrations of gross beta activity in the samples from the CONTROL location ranged from 0.0101 to 0.061 pCi/M3 ,

averaging 0.0272 pCi/M3 of air. Figure 3C shows the variation in gross beta activity level in 2002 at different locations. These graphs show a close correlation between the indicator and CONTROL location data.

Per the requirements of Unit I and Units 2/3 ODCM, Section 5, Table 5.1, an assessment was performed to determine whether the gross beta activity of the indicators exceeded 10 times the background (CONTROL location #15). The results showed that indicator locations maximum gross beta activity in air in 2002 was 0.11 pCi/m3 and the CONTROL location average was 0.0230 pCi/m 3 . No action was taken since the indicator location value did not exceed ten times the annual average gross beta activity of the CONTROL.

All samples analyzed for I-131 were less than the 3 sigma confidence level and all 1-131 samples were less that the a priori lower limit of detection (LLD). The airborne indicator and CONTROL I- 131 REMP samples taken in 2002 at SONGS were statistically indistinguishable from zero.

No samples outside the Exclusion Area boundary yielded station related isotopic results confirmed above the a posterioriMDC. For those REMP sample locations outside the Exclusion Area boundary the quarterly composite gamma spectral analysis analyses yielded only naturally occurring beryllium-7 (Be-7) at the 3 sigma confidence level. With the exception of two samples from Air Sampler #7 (see discussion in Table B-i), the balance of the airborne gamma isotopic database is statistically indistinguishable from database with zero activity for station related radionuclides.

We conclude that the operation of SONGS had no impact on the environment as measured by this sample medium.

28

Nonroutine Airborne Particulate, Iodine, and Composite Isotopic Analyses Air sampler 7, AWS Building Roof, is well within the Exclusion Area Boundary and is not required by the ODCM. This air sampler provides a basis for evaluating any airborne emissions that might impact workers in the major office area on the site. Those individuals are defined as members of the public according to 10 CFR 20.1003 and meet the dose limits of 10 CFR 20.1301. Air sample 7 was processed for particulate gross beta, 1-131, and quarterly composite gamma isotopic analysis. Gross Beta results are included in the Statistical Summary of REMP Data.

Air Sampler # 7 yielded higher than normal gross beta analysis results for the seven day collection periods ending 15 Oct 02 and 22 Oct 02. Accordingly, these two weekly particulate gross beta particulate samples were analyzed by gamma scan. The 15 Oct 02 sample yielded low level positive analysis results for Cs 134 and Cs 137. The 22 Oct 02 sample yielded a low level Cs 137 result above the a posteriori MDC. A formal investigation concluded that the decommissioning project breach of Unit 1 containment during the large component removal process caused an airborne release detected in REMP air sampler # 7 and confirmed by numerous in-plant samples. Air sampler # 7 is well within the exclusion area and is not required by the ODCM. This grab sample gamma isotopic data is included in Table B-1.

C. Ocean Water Monthly ocean water samples were collected from indicator locations in the vicinity of each station discharge and from the CONTROL location at Newport Beach. The samples were analyzed for naturally-occurring and SONGS-related gamma-emitting radionuclides. Quarterly composite ocean water samples were analyzed for tritium according to ODCM requirements.

Naturally occurring potassium-40 (K-40) was detected in all ocean water samples obtained in 2002. No SONGS related radionuclides were detected in this sample medium during 2002.

Four non-routine ocean water samples were obtained from two locations, Unit 2 outfall conduit and Unit 3 outfall conduit. The conduit samples were collected to measure the radiological environmental effect potentially resulting from the minor conduit leakage Throughout 2002 only naturally occurring K-40 was detected at the 99% confidence level in the monthly gamma spectral analyses of ocean water. No station related radionuclides were detected above the a posterioriMDC in this sample type during 2002.

Excluding K-40 the ocean water gamma isotopic database is statistically indistinguishable from a database with zero activity.

The data indicate that the operation of SONGS had no impact on the environment as measured by this sample medium.

29

D. Drinking Water In 2002, drinking water samples were collected on a monthly basis from one indicator location and from the Oceanside CONTROL location. Samples were analyzed for tritium, gross beta, and 26 naturally-occurring and SONGS-related gamma emitting radionuclides. There is no drinking water pathway for liquid effluent at SONGS.

No station related radionuclides were detected in drinking water during 2002. Excluding gross beta, the drinking water gamma isotopic database is statistically indistinguishable from a database with zero activity. The operation of SONGS had no impact on this sample medium.

The operation of SONGS had no impact on the environment as measured by this sample

,medium.

E. Shoreline Sediment (Beach Sand)

Beach sand was collected semiannually in 2002 from three indicator locations and from a CONTROL location situated in Newport Beach. After collection, the samples were analyzed for 26 different plant-related and naturally-occurring radionuclides. Only naturally occurring K-40 and thorium-228 (Th-228) were detected at the 99% confidence level. No plant related radionuclides were reported above the a posterioriMDC. The operation of SONGS had no impact on the environment as measured by this sample medium.

F. Ocean Bottom Sediments Ocean bottom sediments were collected in the vicinity of each of the three SONGS discharge locations and at the Newport Beach CONTROL location. The samples were analyzed by gamma-spectral analysis for 26 naturally-occurring and station-related radionuclides. K-40 and Th-228 were detected at the 99% confidence level in all ocean bottom sediment samples collected during 2002.

Four non-routine ocean bottom sediment samples were obtained from two locations, Unit 2 outfall conduit and Unit 3 outfall conduit. The conduit samples were collected to measure the radiological environmental effect potentially resulting from the minor conduit leakage. During 2002, all the conduit sample analysis results were below the MDC for station related radionuclides.

We conclude that the operation of SONGS had no impact on the environment as measured by this sample medium.

G. Non-Migratory Marine Species (flesh)

Species of adult fish, crustacea and mollusks, were collected on a semi annual basis at the SONGS Unit I outfall, at the SONGS Units 2 and 3 outfall and from Laguna Beach. The flesh portion of each sample type was analyzed for 26 gamma-emitting station-related and naturally occurring radionuclides. The results were subsequently reported to Edison in terms of wet 30

sample weights. Because results based on a wet sample weight are most useful for calculating doses, the results of sample analyses are summarized in terms of "as received" wet weights.

No plant related radionuclides were confirmed above the a posterioriMDC.

Naturally-occurring K-40 was detected in most samples at the 99% confidence level in all Marine Species samples collected during 2002. No plant related isotopes were reported above the a posterioriMDC. The operation of SONGS had no impact on the environment as measured by this sample medium. The potential dose to members of the public from consumption of marine species near SONGS is negligible.

Twelve (12) additional indicator non migratory Marine species samples were collected in conjunction with the REMP/NPDES offshore monitoring consolidation effort. The samples were collected to demonstrate vendor sample collection proficiency.

H. Local Crops Fleshy and leafy crops were collected semiannually in 2002 from the SONGS garden and from CONTROL locations near Oceanside. The crop samples were analyzed quantitatively for 26 gamma-emitting radionuclides, both natural and plant related.

I. Soil To determine if there is evidence of a build-up of radionuclides in the land near SONGS, indicator soil samples were collected from the East Site Boundary (Former Visitor's center), Old Route 101, Basilone Road, and Camp San Onofre. A CONTROL sample was obtained from Oceanside. Surface soil was collected from all indicator and CONTROL locations at the depth of 3 inches. The sampling protocol is consistent with the procedure described in HASL-300.

Soil sampling is not required by ODCMs.

Soil samples were analyzed for 26 naturally-occurring and SONGS-related gamma-emitting radionuclides using gamma spectral analysis. All 2002 soil samples yielded naturally occurring K-40 and Th-228 above the 3 sigma (99%) confidence level. Cs-137, above the a posteriori MDC, was detected two indicator samples and one CONTROL sample. Cs-137 is often detected in environmental sediment samples and the presence of Cs-137 is most likely related to nuclear weapons testing fallout.

Cs-137 and strontium-90 (Sr-90) were detected in soil profile analyses conducted in previous years. These radionuclides are mostly due to the nuclear weapons testing fallout depositing on soil and retention of these radionuclides due to their long half lives. The presence of Cs-137 in the CONTROL location in previous years supports the conclusion that the major source of this radionuclide is due to fallout deposition. Since the termination of atmospheric nuclear weapons testing the trend has continued downward in this sample media. Refer to the 1993 AREOR for a more detailed discussion of Cs-137 and other potentially SONGS related isotopes detected in soil. The Cs-137 activity can be attributed to atmospheric nuclear weapons tests and not SONGS operations. During 2002, the operation of SONGS had no impact on the environment as measured by this sample medium.

31

J. Kelp Sampling Kelp was collected during April and October 2002 from the San Onofre, San Mateo, and from the Salt Creek CONTROL location (- 12 miles WNW). Upon collection, the samples were analyzed by gamma-spectral analysis for 26 different naturally-occurring and Station-related radionuclides. The radionuclides detected in 2002 were K-40 and I-131. K-40 is naturally occurring and not related to the operation of SONGS. I-131 was detected at all sample locations.

I-131 is often detected in Sewage Plant outfalls, including those routed to the Pacific Ocean.

1-131 has been detected at both Indicator and CONTROL locations in previous years. The northern CONTROL location is too far away and in the predominantly upstream current direction for the I-131 activity to be attributable to SONGS. The presence of low levels of 1-131 in both the indicator and the control locations suggest a source which is external to SONGS. The I-131 activity in Kelp data, graphically presented in Figure 4, shows a relatively close correlation between indicator and control locations 6ver-a 25 year period - further supporting the assessment that the likely source for this potentially plant related radionuclide is external to SONGS.

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TABLE B-1 Summary of SONGS related Gamma Isotopic Analyses confirmed above NIIDC Sample Media & location Radio-nuclide Sample Value MNIDC (a posteriori Aquatic Kelp San Onofre Kelp Bed 1-131 (94 +/- 24) E-3 pCi/g 32 E-3 pCi/g Station A 17APR02 Aquatic Kelp San Mateo Kelp Bed 1-131 (139 +/- 31) E-3 pCi/g 40 E-3 pCi/g Station B 17APR02 Aquatic Kelp Barn Kelp Bed; 1-131 (85 +/- 20) E-3 pCi/g 27 E-3 pCi/g Station C 17APR02 Aquatic Kelp Salt Creek CONTROL location I-131 (107 + 22) E-3 pCi/g 29 E-3 pCi/g Station E 17APR02 Soil Camp San Onofre Cs- 137 (132 +/- 33) E-3 pCi/g 43 E-3 pCi/g Location # 1 13SEP02 Soil Oceanside CONTROL Cs-137 (79 +/- 28) E-3 pCi/g 41 E-3 pCi/g Location #6 13SEP02 Soil Old Route 101 Cs-137 (159 +/- 25) E-3 pCi/g 26 E-3 pCi/g Location #2 13SEP02 Air Sampler #7 Cs- 134 (18.7 +/- 9.3) E-4 pCi/m 3 17 E-4 pCi/m 3 AWS Roof Cs-137 (49 + 3) E-3 pCi/M3 2.6 E-3 pCi/m 3 Week Ending 15OCT02 Air Sampler #7 AWS Roof

Cs- 137 (16.5 +/- 2.2) E-3 pCi/M 3 2.7 E-3 pCi/M 3 Week Ending 22OCT02

The weekly REMP gross beta analysis air sample # 7, AWS roof, was anomolously high when compared to the other REMP air sample gross beta analysis results forthe collection penods ending 15OCT02 and 22OCT02 Accordingly, a gamma scan was performed on these two filtermedia. The ratio ofCs-134 to Cs-137 in the 10/8-10/15/2002 sample was approximately 0 04 This value is consistent with the ratio found in current dry active waste (DAW) from Unit I and with a 1991 analysis of DAW that was decay corrected The Unit I containment sphere was breached on I0/72002 with the removal of the opening above the reactor vessel The timeline for removal of the large components was 10/12 reactor vessel 10114 steam generator A 10/16 steam generator C 10118 sieam generator B 10122 pressurizer 10/25 reactor vessel head As each sphere piece was removed, continuous low volume air samplers were placed at the opening to obtain particulate samples During the removal evolution, the samples were changed out approximately every 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months per the 'Air Sampling at the Containment Sphere Opening(s)", Unit I Decommissioning Health Physics paper dated 5/3/2002 The samples taken from the openings indicate that there were releases ofparticulate matter containing Cs-134 and Cs- 37 from 10/14-10/16/2002 through the opening above the pressurizer, steam generator A, and steam generator B The majority of the remaining samples indicate that Cs-137 was released from containment for most of October In addition to the low volume samples at the containment openings, general area samples for particulate matter were also obtained The general area samples also indicate particulate mattercontaining Cs-137 being airborne on 10/14/2002 Surveys ofthe shackles and sings used in the lifting of the large components performed after the work activities showed contamination Weekly plant vent stack samples did not show any detectable gamma activity for the month of October Based on the available information, there was a release of airborne particulate matter through the Unit I containment openings that appears to have been related to the removal of large components from the Unit I containment As noted this release was detected by both the in plant and REMP air samples No increase was detected in any other REMP air sampler dunng October 2002 33

TABLE B-2 REMP SAMPLE ANALYSIS

SUMMARY

FOR 2002 Sampling # of Total # of Analysis Type Frequency Locations Analysis Medium in 2002 Direct Radiation Dosimetry Quarterly 49 196 Airborne Particulates Gross Beta Weekly 9 477 Charcoal Cartridge 1-131 Weekly 9 477 Airborne Particulates Ge (Li) Scan Quarterly 9 36 Ocean Water Ge (Li) Scan Monthly 6 52 Ocean Water H-3 Quarterly 6 16 Drinking Water, Ge (Li) Scan Monthly 2 24 Unfiltered H-3 2 24 Gross Beta 2 24 Shoreline Sediment Ge (Li) Scan Semi-Annually 4 8 Ocean Bottom Sediment Ge (Li) Scan Semi-Annually 7 14 Marine Species, Flesh Ge (Li) Scan Semi-Annually 3 36 Crops Ge (Li) Scan Semi-Annually 2 - 12 Kelp Ge (Li) Scan Semi-Annually 4 8 Soil Ge (Li) Scan Annually 5 5 34

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STATISTICAL

SUMMARY

OF REMP DATA FOR 2002 37

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on 03/13/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA REPORTING PERIOD: 1/1/02 To 12/31102 Medium or Pathway Type and Total Lower Limit of All Indicator Locations Location with Highest Annual Mean Control Locations Number of Sampled (Unit of Number of Analysis Detection (LLD) Mean Mean Nonroutine Measurement) Performed (Range) (Range) Reported (1)(3) Name, Distance and Mean (2) Measurements Direction (Range)

TABLE 1A Quarterly Gamma Exposure (mR)

Gamma 196 5 16 65 ( 152/152) TLD 13 32 37 (414) 15.32 (44/ 44) 0 (9.39-38 20) 0 4 Mi. ESE (22.62-38.2) (11.77-19 00 (1) Indictor location TLDs include all REMP TLDs less than 5.0 miles from SONGS 2/3 midpoint.

(2) CONTROL location TLDs include all REMP TLDs more than 5.0 miles from SONGS 2/3 midpoint.

(3) Indicator location TLD data excludes not include QC duplicate TLDs 38

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03/13/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/11/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Weekly Airborne Paticulates Gross Beta Activity - Table 2 (pCi/cu m)

Gross Beta 477 0 01 0 0272 (424/424) AWS Roof Parking 0 0295 (53/53) 0 0272 (53/53) 53 018Mi NW (0 0089 - 0.11) (0.0111 - 0 11) (00101 -0 0610)

Nonroutine reported analysis results include data from Air Sampler # 7, AWS roof, which is well within the exclusion area boundary and is not necessary to comply with the ODCM requirements

___ _-_ .------ 391

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on: 03/13/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Weekly Radioiodine 1-131 Activity -

Table 3 (pCi/cu m) 1-131 477 0 07 0.0210 (20/424) State Beach Park 0.0230 (2/53) 0 0213 (4/53) 53 06Mi ESE (0 0120 - 0 0290) (0 0210 - 0 0250) (0 0140 - 0,0280)

Nonroutine reported analysis results Include data from Air Sampler # 7, AWS Roof, which Iswell within the exclusion area boundary and is not necessary to comply with the ODCM requirements 40

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on : 03/14/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/4/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Quarterly Comp Airborne Particulates Gamma - Table 4A (pCLcu.m)

Be-7 36 0 04 0 0953 (32/32) Former SONGS 0 10 (4/4) 0.0855 (4/4) 4 (00580 - 0.14) Evaporation Pond 06Mi NW (0.0770 - 0.14) (0.0590 .0 13)

Cs-134 36 0 05 2 98E-4 (4/32) Mesa Medical Facility 5 50E-4 (1/4) < LLD (0/4) 4 07Mi NNW (1.20E 5.50E-4) (5.50E 5.50E-4)

Cs-137 36 0 06 < LLD (0/32) (0/4) < LLD (0/4) 4 K-40 36 002 00082 (14/32) AWS Roof Parking 0 0105 (3/4) < LLD (0/4) 4 (0.0043 0 0130) 018Mi. NW (0.0076 - 0 0130)

Nonroutine reported analysis results include data from Air Sampler # 7, AWS roof, which is well within the Exclusion Area boundary and isnot necessary to comply with the ODCM requirements

_.-______ 41

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SUMMARY

Produced on :03/14/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/11/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Monthly Ocean Water Gamma Spectral Analysis - Table 5 (pCiI)

Ba- 140 52 15 3 20 (1/40) Unit 3 Conduit 3.20 (1/2) < LLD (0/12) 01 Mi. SSW (3.20 - 3 20) (3 20 - 3.20)

Co058 52 15 < LLD (0/40) .... (0/2) < LLD (0/12)

Co-60 52 15 3 60 (2/40) (C) Outfall - Unit 3 3 60 (1/12) < LLD (0/12) 1.2 Mi. SSW (3 60- 3 60) (3.60 - 3,60)

Cs-134 52 15 2.30 (5/40) Unit 2 Conduit 2 90 (1/2) 1 45 (2/12) 0.1 Mi. SW (1 00 - 2 90) (2 90 - 2.90) (1 30- 1 60)

Cs-137 52 18 1 20 (1/40) (B) Outfall - Unit 2 1 20 (1/12) < LLD (0/12) 1.5 Mi. SW (1 20- 1 20) (1 20- 1.20)

Fe-59 52 30 6 37 (3/40) Unit 3 Conduit 7.00 (1/2) < LLD (0/12) 0 l Mi SSW (3.80 - 8.30) (7 00 - 7.00) 1-131 52 15 5 70 (2/40) (A) Station Discharge 6 40 (1/12) 505 (2/12)

Outfall-Unit 1 (5 00 6 40) O6Mi SW (6 40 - 6 40) (4.30 - 5.80)

K-40 52 150 335.13 (40/40) Unit 3 Conduit 359.50 (2/2) 331.75 (12/12) 0.1 Mi. SSW (255 00 - 434 00) (338 00 - 381.00) (254 00 - 387.00)

La-140 52 15 3.70 (1/40) Unit 3 Conduit 3.70 (1/2) < LLD (0/12) 0.1 Mi. SSW (3.70 - 3 70) (3.70 - 3 70)

Mn-54 52 15 3 60 (1/40) (B) Outfall - Unit 2 3 60 (1/12) < LLD (0/12) 1.5 Mi. SW (3 60 - 3 60) (3.60 - 3 60)

Nb-95 52 15 < LLD (0/40) ---- (0/2) < LLD (0/12)

Nonroutine reported analysis results include sample # 51 (Unit 2 conduit) and sample # 52 (Unit 3 conduit). The nonroutine samples were collected twice per year. All other samples were collected monthly.

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03/14/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Monthly Ocean Water Gamma Spectral Analysis - Table 5 (pCi/I)

Zn-65 52 30 12 00 (1/40) (A)Station Discharge 12 00 (1/12) < LLD (0/12) 4 Outfall-Unit 1 (12.00 - 12 00) 06Mi. SW (12.00 -12 00)

Zr-95 52 15 2.98 (5/40) (A)Station Discharge 3.30 (1/12) < LLD (0/12) 4 Outfall-Unit 1 (2.10 - 3 80) 0 6 Mi. SW (3 30 - 3 30)

Nonroutine reported analysis results Include sample #51 (Unit 2 conduit) and sample # 52 (Unit 3 conduit) The nonroutine samples were collected twice per year. All other samples were collected monthly.

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THIS PAGE INTENTIONALLY LEFT BLANK AND UNNUMBERED ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03/14103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Quarterly Composite Ocean Water Tritium Activity -Table 7 (pCVI)

H-3 16 2000 <LLD (0/12) (014) < LLD (0/4) 0 Nonroutine ocean water samples # 51 and #52 were not analyzed for Tritium.

44

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03114/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/3112002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Monthly Drinking Water Analysis -

Table 9A (pCVI)

Ba- 140 15 < LLD (0/12) ---. (0/12) < LLD (0/12)

Co-58 15 < LLD (0/12) ---- (0/12) < LLD (0/12)

Co-60 15 < LLD (0/12) Oceanside (Control) 1 50 (1/12) 1 50 (1/12) 156Mi. SE (1.50 - 1 50) (1.50.1 50)

Cs-134 15 < LLD (0/12) Oceanside (Control) 1.65 (2112) 1 65 (2/12) 156Mi SE (1 00 - 2 30) (1 00 - 2.30)

Cs-137 18 < LLD (0/12) ---- (0/12) < LLD (0/12)

Fe-59 30 < LLD (0/12) (0/12) < LLD (0/12)

Gross Beta 4 4.84 (12/12) Oceanside (Control) 7.08 (12/12) 7.08 (12112) 156Mi. SE (2 00 - 12 00) (3 40 - 11 40) (3 40 - 11 40)

H-3 2000 < LLD (0/12) ---- (0/12) < LLD (0/12) 1-131 15 330 (1/12) Camp Pendleton 3 30 (1/12) < lHD (0/12) 22Mi NNW (3 30 - 3 30) (3.30 - 3.30)

K-40 150 21.00 (1/12) Oceanside (Control) 21 00 (1/12) 21.00 (1/12) 156Mi SE (21 00 - 21 00) (21.00 - 21.00) (21 00 - 21.00)

La- 140 24 15 < LLD (0/12) ---- (0/12) < LLD (0/12) 0 45

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03/14/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/112002 To 12131/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Monthly Drinking Water Analysis -

Table 9A (pCi/)

Mn-54 24 15 220 (1/12) Camp Pendleton 220 (1/12) < LLD (0/12) 0 2 2 Mi. NNW (220-220) (2.20 - 2.20)

Nb-95 24 15 < LLD (0/12) Oceanside (Control) 380 (2/12) 380 (2112) 0 156Mi. SE (3 30 - 4 30) (3.30 - 4.30)

Zn-65 24 30 < LLD (0/12) .... (0/12) < LLD (0/12) 0 Zr-95 24 15 2.70 (1112) Camp Pendleton 2.70 (1112) < LLD (0/12) 0 2.2 Mi. NNW (2.70 -2 70) (2.70 - 2.70) 46

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :04/03103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12131/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi-annual Shoreline Sediment Gamma Spectral Analysis - Table 10 (pCi/g)

Cs- 134 8 0 15 0 0076 (1/6) Newport Beach North Enc 0.0230 (1/2) 0 0230 (1/2) 0 29 2 Mi NW (00230 - 0 0230)

(O0076 - 0 0076) (0.0230 - 0.0230)

Cs- 137 8 018 < LLD (0/6) .... (0/2) < LLD (0/2) 0 K-40 8 15 13 66 (6/6) San Onofre Surfing Beacl 17 07 (2/2) 14 72 (2/2) 0 (8 14- 1930) 0 8 Mi WNW (14 83 .19 30) (11 60-17 83)

Th-228 8 04 0.17 (6/6) Newport Beach North En( 337 (2/2) 3 37 (2/2) 0 29 2 Mi NW (0.48 - 6 27)

(0 0840 .0 22) (0 48- 6.27) 47-

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :04/03103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12131/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection , Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi-annual Ocean Bottom Sediment Gamma Spectral Analysis - Table 11 (pCi/g) . II Cs-134 14 015 <LLD (0/12) (0/2) < LLD (0/2) 4 Cs-137 14 018 0 0180 (2/12) (D) Unit 3 Outfall 0 0210 (1/2) < LLD (0/2) 4 1.2 Mi. SSW (0 0150 - 0 0210) (0.0210 - 0 0210)

K.40 14 15 15 94 (12112) (E)Laguna Beach 20 30 (2/2) 20 30 (212) 4 182Mi NW (20 29 - 20 31) (20 29 - 20 31)

(14.49- 19.15)

Th-228 14 04 0.43 (12/12) Unit 3Conduit 0 52 (212) 0.27 (2/2) 4 0.1 Mi. SSW (0 20 - 0 79) (0 30 -0 74) (026-027)

I Nonroutine reported analysis results Include sample # 51 (Unit 2 conduit) and sample # 52 (Unit 3 conduit) All samples were collected on a semiannual basis.

48

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on: 03/13103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutne (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pCig)

Blacksmith Co-58 0 13 < LLD (0/2) (0/2) < LLD (0/0)

Blacksmith Co-60 0.13 < LLD (0/2) , .. (0/2) < LLD (0/0)

Blacksmith Cs-134 0 13 < LLD (0/2) (0/2) < LLD (0/0)

Blacksmith Cs-137 0 15 < LLD (0/2) (0/2) < LLD (0/0)

Blacksmith Fe-59 0 26 < LLD (0/2) (0/2) < LLD (0/0)

Blacksmith K-40 1.4 3 80 (2/2) (B)Units 2 and 3 Outfall 3 80 (2/2) < LLD (0/0)

(3 52 - 4 07) 1 5 Ml SSW (3 52 - 4 07)

Blacksmith Mn-54 0.13 < LLD (0/2) - (0/2) < LLD (0/0)

Blacksmith Zn-65 0 26 < LLD (0/2) (0/2) < LLD (0/0)

Black Perch Co-58 0 13 < LLD (0/3) -- (0/2) < LLD (0/2)

Black Perch Co-60 0 13 < LLD (0/3) (C) Laguna Beach 0 0210 (1/2) 0 0210 (1/2) 182Mi. NW (0,0210 - 0.0210) (0 0210 - 0 0210)

Black Perch Cs-134 0.13 < LLD (0/3) , (0/2) < LLD (0/2)

Nonroutine samples include 12 Indicator vendor proficiency demonstration samples obtained in conjunction with the SONGS offshore monitoring purchase order consolidation effort, 49

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03113103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12131/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pCi/g)

Black Perch Cs-137 0.15 < LLD (013) (0/2) < LLD (0/2)

Black Perch Fe-59 026 < LLD (013) - (0/1) < LLD (0/2)

Black Perch K-40 1.4 3.82 (3/3) (B) Units 2 and 3 Outfall 3 98 (212) 3.43 (2/2)

I 5 Ml SSW (3 76 - 4.19)

(3 50 - 4.19) (3 41 - 3 45)

Black Perch Mn-54 0.13 < LLD (013) - (0/2) < LLD (0/2)

Black Perch Zn-65 026 < LLD (0/3) _- (0/2) < LLD (0/2)

Half Moon Co-58 0 13 < LLD (0/2) - (0/1) < LLD (0/0)

Half Moon Co-60 0.13 < LLD (0/2) - (0/1) < LLD (0/0)

Half Moon Cs-134 0.13 0.0250 (1/2) (B)Units 2 and 3 Outfall 0 0250 (1/1) < LLD (0/0) 1.5 Mi. SSW (0 0250 - 0 0250)

(0 0250 - 0 0250)

Half Moon Cs-137 0.15 < LLD (0/2) - (0/1) < LLD (0/0)

Half Moon Fe-59 026 < LLD (0/2) - (0/1) < LLD (0/0)

Half Moon K-40 14 4 20 (212) (B) Units 2 and 3 Outfall 4 33 (1/1) < LLD (0/0) 1.5 Mi. SSW (4 06 - 4.33) (4.33 -4.33)

Nonroutine samples Include 12 indicator vendor proficiency demonstration samples obtained In conjunction with the SONGS offshore monitoring purchase order consolidation effort.

50

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on : 03113/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/11/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean k I-c- - r- AA-- (Range) Reported Measuement Po - LmLDtal (ag)a Mndeiretio(ange) Measremet Measuremrent) Perfoirmed (LLD) (Range) and Direction (Range) Mveasurements Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pC'/g)

Half Moon Mn-54 0 13 < LLD (0/2) (0/1) < LLD (0/0)

Half Moon Zn-65 0 26 < LLD (0/2) (0/1) < LLD (0/0)

Kellet's Whelk Co-58 0 13 < LLD (0/1) (0/1) < LLD (0/0)

Kellet's Whelk Co-60 0 13 < LLD (0/1) ---. (0/1) < LLD (0/0)

Kellet's Whelk Cs-134 0 13 < LLD (0/1) (0/1) < LLD (0/0)

Kellet's Whelk Cs-137 0 15 < LLD (0/1) (0/1) < LLD (0/0)

Kellet's Whelk Fe-59 0 26 < LLD (0/1) (0/1) < LLD (0/0)

Kellet's Whelk K-40 14 2 76 (1/1) (B) Units 2 and 3 Outfall 2 76 (1/1) < LLD (0/0) 1.5 Mi. SSW (2.76 - 2.76) (2 76 - 2 76)

Kellet's Whelk Mn-54 0.13 < LLD (0/1) ---- (0/1) < LLD (0/0)

Kellet's Whelk Zn-65 0 26 < LLD (0/1) ---- (0/1) < LLD (0/0)

Kelp Bass Co-58 0 13 < LLD (0/3) (0/2) c LLD (0/0)

Nonroutine samples include 12 Indicator vendor proficiency demonstration samples obtained in conjunction with the SONGS offshore monitoring purchase order consolidation effort 51

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03113/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 111/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway smnpler Numhbr of Mi Limit nf I nLotinns Mean NnnmiutinA (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pClg)

Kelp Bass Co-60 3 0.13 < LLD (0/3) - (0/2) < LLD (0/0)

Kelp Bass Cs-1 34 3 0 13 < LLD (0/3) - (0/2) < LLD (0/0)

Kelp Bass Cs-137 3 0 15 < LLD (0/3) - (0/2) < LLD (0/0)

Kelp Bass Fe-59 3 0.26 <LLD , (0/3) - (0/1) <LLD (0/0)

Kelp Bass K-40 3 14 3 51 (3/3) (A)Unit 1 Outfall 3 54 (2/2) < LLD (0/0) 0 9Mi. WSW (3 35 - 3.73)

(3 35 - 3.73)

Kelp Bass Mn-54 3 0.13 < LLD (0/3) - (0/1) < LLD (0/0)

Kelp Bass Zn-65 3 0.26 < LLD (0/3) - (01l) < LLD (0/0)

Keyhole Limpet Co-58 2 0.13 < LLD (0/0) - (0/2) < LLD (0/2)

Keyhole Limpet Co-60 2 0.13 < LLD (0/0) - (0/2) < LLD (0/2)

~ I Keyhole Limpet Cs-1 34 2 0.13 < LLD (0/0) (0/2) < LLD (0/2)

Keyhole Limpet Cs-137 2 0.15 < LLD (0/0) - (0/2) < LLD (0/2)

Nonroutine samples Include 12 Indicator vendor proficiency demonstration samples obtained In conjunction with the SONGS offshore monitoring purchase order consolidation effort.

52

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on : 03113103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/11/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi Annual Non-migratory Manne Animals (Flesh) Analysis - Table 12A (pC/g)

Keyhole Limpet Fe-59 2 0 26 < LLD (0/0) (0/2) < LLD (0/2)

Keyhole Limpet K40 2 14 < LLD (0/0) (C) Laguna Beach 0 44 (2/2) 044 (2/2) 182Mi. NW (041 -047) (0.41 - 0 47)

Keyhole Limpet Mn-54 2 0 13 < LLD (0/0) __ (0/2) < LLD (0/2)

Keyhole Limpet Zn-65 2 0 26 c LLD (0/0) ,,- (0/2) < LLD (0/2)

Lobster Co-58 6 0 13 < LLD (0/4) (0/2) < LLD (0/2)

Lobster Co-60 6 0 13 < LLD (0/4) - (0/2) < LLD (0/2)

Lobster Cs-134 6 0 13 0 0170 (1/4) (B) Units 2 and 3 Outfall 0 0170 (1/2) < LLD (0/2) 1 5 Mi SSW (0 0170 - 0 0170) (0 0170 0 0170)

Lobster Cs-137 6 0.15 < LLD (0/4) - (0/2) < LLD (0/2)

Lobster Fe-59 6 0 26 < LLD (0/4) (0/2) < LLD (0/2)

Lobster K-40 6 14 3 87 (4/4) (A) Unit 1 Outfall 4 09 (2/2) 3 72 (2/2) 09Mi WSW (3 42 - 4 32) (3 85 - 4 32) (354-389)

Lobster Mn-54 6 0 13 < LLD (0/4) - (0/2) < LLD (0/2)

Nonroutine samples include 12 indicator vendor proficiency demonstration samples obtained In conjunction with the SONGS offshore monitoring purchase order consolidation effort

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03113103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/112002 To 12/3112002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pCig)

Lobster Zn-65 0 26 0 0710 (1/4) (A) Unit 1 Outfall 0 0710 (1/2) < LLD (0/2) 0.9 Ml WSW (0 0710 - 0 0710)

(0 0710 - 0 0710)

Opal Eye Co-58 0.13 < LLD (013) -- (0/3) < LLD (0/0)

Opal Eye Co-60 0.13 < LLD (0/3) - (0/3) < LLD (0/0)

Opal Eye Cs-134 0.13 <LLD (0I3) - (0/3) < LLD (0/0)

Opal Eye Cs-137 015 < LLD (0/3) __ (0/3) < LLD (0/0)

Opal Eye Fe-59 0 26 < LLD (0/3) _- (0/3) < LLD (0/0)

Opal Eye K40 14 3 81 (3'3) (A) Unit 1 Outfall 3 81 (313) < LLD (0/0) 0 9 Ml. WSW (3.72 - 3 94) (3 72 - 3 94)

Mn-54 0.13 < LLD (0/3) (0/3) < LLD (0/0)

Opal Eye Opal Eye Zn-65 0 26 < LLD (0/3) - (0/3) < LLD (0/0)

Sea Hare Co-58 0.13 < LLD (0/3) - (0/1) < LLD (0/0)

Sea Hare Co-60 0.13 < LLD (0/3) - _(0/1) < LLD (0/0)

Nonroutine samples Include 12 Indicator vendor proficiency demonstration samples obtained in conjunction with the SONGS offshore monitoring purchase order consolidation effort 54

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on: 03/13103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pCu/g)

Sea Hare Cs-134 0 13 < LLD (0/3) (0/2) < LLD (0/0)

Sea Hare Cs-137 0 15 0 0170 (1/3) (A) Unit 1 Outfall 0 0170 (1/2) < LLD (0/0) 0 9 Mi. WSW (0 0170 - 0 0170) (0 0170 - 0 0170)

Sea Hare Fe-59 0 26 < LLD (0/3) (0/1) < LLD (0/0)

Sea Hare K-40 14 1 61 (3/3) (B) Units 2 and 3 Outfall 1.94 (1/1) < LLD (0/0) 1.5 Mi. SSW (1 24- 1 94) (1 94 - 1 94)

Sea Hare Mn-54 0 13 < LLD (0/3) (0/1) < LLD (0/0)

Sea Hare Zn-65 0 26 c LLD (0/3) (0/1) < LLD (0/0)

Sheephead Co-58 0.13 < LLD (0/7) (C) Laguna Beach 0 0200 (1/2) 0.0200 (1/2) 182Mi NW (00200 - 0 0200) (0.0200 - 0 0200)

Sheephead Co-60 0 13 0 0220 (1/7) (B) Units 2 and 3 Outfall 0 0220 (1/4) < LLD (0/2) 1 5 Mi SSW (0.0220 - 0 0220) (00220 - 0 0220)

Sheephead Cs-134 0 13 < LLD (0/7) (C) Laguna Beach 0 0210 (1/2) 0.0210 (1/2) 18 2 Mi. NW (0 0210 - 0 0210) (0 0210 - 0 0210)

Sheephead Cs-137 0 15 < LLD (0/7) _ (0/4) < LLD (0/2)

Sheephead Fe-59 0 26 < LLD (0/7) _- (0/2) < LLD (0/2)

Nonroutine samples include 12 indicator vendor proficiency demonstration samples obtained in conjunction with the SONGS offshore monitoring purchase order consolidation effort 55 __ _ I

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM SUMMAKY rroaucea on: Uvi Iu3aU SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/112002 To 12/31/2002

_ . ..Locations Control Number of All Indicator Location with Highest Annual Mean Control Locations Number of Medium or Type and Total Lower Nonroutine Limit of Locations Mean Pathway sampled Number of (Range) Reported (Unit of Analysis Detection Mean Name, Distance Mean Measurements Measurement) Performed (LLD) (Range) and Direction (Range)

Semi Annual Non-migratory Marine Animals (Flesh) Analysis - Table 12A (pCi/g)

(B)Units 2 and 3 Outfall 3 97 (414) 3 94 (212) 3 Sheephead K-40 9 1.4 3 80 (7/7) 1 5 Mi. SSW (3.39 - 4 40) (3 71 -4 16)

(3 38 - 4 40)

(C)Laguna Beach 0 0280 (1/2) 0 0280 (1/2) 3 Sheephead Mn-54 9 0.13 0.0140 (1/7) 18 2Mi NW (0 0280 - 0 0280) (0 0280 - 0 0280)

(0 0140 - 0 0140)

< LLD 3 (1/7) (B) Units 2 and 3 Outfall 0 0720 (1/4) (0/2)

Sheephead Zn-65 9 0 26 0 0720 1 5 Mi SSW (0 0720 - 0 0720)

(0 0720 - 0 0720) monitonng purchase order consolidation effort Nonroutine samples include 12 Indicator vendor proficiency demonstration samples obtained in conjunction with the SONGS offshore 56

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :04/03103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/4/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi-Annual Local Crops Gamma Spectral Analysis - Table 13A (pCi/g)

Artichoke Cs-134 0 06 < LLD (0/2) (0/2) < LLD (0/0)

Artichoke Cs- 137 0.08 < LLD (0/2) (0/2) < LLD (0/0)

Artichoke 1-131 0.06 < LLD (0/2) (0/2) < LLD (0/0)

Artichoke K-40 3.52 (2/2) SONGS Garden 3 52 (2/2) < LLD (0/0) 0 4 Mi NNW (3 43 - 3 61) (343-361)

Cilantro Cs-134 0 06 c LLD (0/0) (0/1) < LLD (0/1)

Cilantro Cs-137 0.08 < LLD (0/0) (0/1) < LLD (0/1)

Cilantro 1-1 31 0 06 < LLD (0/0) ((0/1) < LLD (0/1)

Cilantro K-40 < LLD (0/0) South East of Oceanside 4 09 (1/1) 4 09 (1/1) 22 Mi SE (4 09 - 4 09) (4.09 - 4.09)

Lettuce Cs-134 0.06 < LLD (0/0) c LLD (0/1)

Lettuce Cs-1 37 0 08 < LLD (0/0) -- (0/1) < LLD (0/1)

Lettuce 1-131 0 06 < LLD (0/0) -- (0/1) < LLD (0/1) 57 _ _ - - - -_

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :04103103 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/4/2002 To 12/31/2002 Medium or Type and Total Lower AlI Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi-Annual Local Crops Gamma Spectral Analysis - Table 13A (pCi/g)

I Lettuce K-40 1 < LLD (0/0) South East of Oceanside 1.76 (1/1) 1.76 (1/1) 22 Mi. SE (1.76- 1.76) (1.76- 1.76)

Sorrel Cs-134 006 < LLD (0/2) - (0/2) < LLD (0/0)

Sorrel Cs-137 0 08 < LLD (0/2) - (0/2) < LLD (0/0)

Sorrel 1-131 0 06 < LLD (0/2) - (0/2i < LLD (0/0)

Sorrel K-40 3 31 ' (2/2) SONGS Garden 3 31 (2/2) < LLD (0/0) 0 4 Mi. NNW (2 61 - 4 01) (2 61 - 4.01)

Squash Cs-134 0 06 < LLD (0/0) - (0/1) < LLD (0/1)

Squash Cs-137 008 < LLD (0/0) - (0/1) < LLD (0/1)

Squash 1-131 0 06 < LLD (0/0) - (0/1) < LLD (0/1)

Squash K-40 < LLD (0/0) South East of Oceanside 2.51 (1/1) -251 (1/1) 22 Mi. SE (2.51 - 2 51) (2 51 - 2 51)

Swiss Chard Cs-134 0 06 0 0270 (1/1) SONGS Garden 0 0270 (1/1) < LLD (0/1) 0 4 Mi. NNW (0.0270 - 0 0270) (0.0270 - 0 0270)

Swiss Chard Cs-137 0 08 < LLD (0/1) - (0/1) < LLD (0/1) 58

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :04103/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/4/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi-Annual Local Crops Gamma Spectral Analysis - Table 13A (pCig)

Swiss Chard 1-131 0 06 0 0240 (1/1) SONGS Garden 0 0240 (1/1) < LLD (0/1) 0 4 Mi NNW (0 0240 - 0 0240) (0 0240 - 0.0240)

Swiss Chard K-40 1 4.15 (1/1) SONGS Garden 4 15 (1/1) 2 19 (1/1) 0 4 Mt NNW (4 15 - 4 15) (4 15 - 4 15) (2 19 - 2 19)

Tomato Cs-134 0 06 < LLD (0/0) ---- (0/2) < LLD (0/2)

Tomato Cs-137 0 08 < LLD (0/0) _, (0/2) < LLD (0/2)

Tomato 1-131 0.06 < LLD (0/0) ---- (0/2) < LLD (0/2)

Tomato K-40 < LLD (0/0) South East of Oceanside 1.89 (2/2) 1 89 (2/2) 22 Mi. SE (1 88- 1 89) (1 88 - 1 89)

Zucchini Cs-134 0.06 < LLD (0/1) -- (0/1) < LLD (0/0)

Zucchini Cs-137 0 08 < LLD (0/1) --- (0/1) < LLD (0/0)

Zucchini 1-131 0 06 < LLD (0/1) --- (0/1 ) < LLD (0/0)

Zucchini K-40 2 75 (1/1) SONGS Garden 2.75 (1/1) < LLD (0/0) 0.4 Mi. NNW (2.75 - 2.75) (2 75 - 2 75) 59 . .__. I

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03/14/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12131/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Annual Soil Analysis - Depth 3' - Table 14 (pCig)

Cs-134 5 0 15 < LLD (0/4) ---- (0/1) < LLD (0/1) 0 Cs-137 5 0.18 015 (214) Old Route 101 - East 0.16 (1/1) 0.0790 (1/1) 0 Southeast (0.13 - 0.16) 3 Mi. ESE (016-0 16) (0 0790 - 0 0790)

K-40 5 15 1293 (4/4) Basilone Road/ I-5 17.12 (1/1) 15 80 (1/1) 0 Freeway Off ramp (6 08 - 17.12) 2 Mi. NW (17.12 17.12) (1580-1580)

Th-228 5 04 056 (4/4) Basilone Road/ 1.5 0.94 (1/1) 058 (1/1) 0 Freeway Off ramp (O23 -0 94) 2 Mi. NW (0 94 - 0 94) (058 - 0 58) 60

ENVIRONMENTAL RADIOLOGICAL MONITORING PROGRAM

SUMMARY

Produced on :03114/03 SAN ONOFRE NUCLEAR GENERATING STATION DOCKET NOS. 50-206, 50-361, 50-362 SAN DIEGO COUNTY, CALIFORNIA Reporting Period: 1/1/2002 To 12/31/2002 Medium or Type and Total Lower All Indicator Location with Highest Annual Mean Control Locations Number of Pathway sampled Number of Limit of Locations Mean Nonroutine (Unit of Analysis Detection Mean Name, Distance Mean (Range) Reported Measurement) Performed (LLD) (Range) and Direction (Range) Measurements Semi-Annual Kelp Analysis - Table 15 (pCvg)

Macrocystis p. 1-131 8 006 00718 (5/6) (B) San Mateo Kelp Bed 0.14 (1/2) 0.0625 (2/2) 0 38Mi. WNW (0 0160- 0 14) (0 14 -0 14) (00180 0 11)

Macrocystis p. K-40 8 1 8 82 (6/6) (E) Salt Creek 10.95 (2/2) 1095 (2/2) 0 (CONTROL)

(7.67. 10 83) 11 Mi NNW (10 94-10 96) (10 94 10.96)

Macrocystis p Th-228 8 0.3 0 0180 (1/6) (E) Salt Creek 0 0265 (2/2) 0 0265 (2/2) 0 (CONTROL)

(0 0180 - 0.0180) 11 Mi. NNW (0 0230 - 0 0300) (0 0230 - 0 0300)

APPENDIX C

SUMMARY

OF 2002 QUALITY CONTROL PROGRAMS 62

All REMP samples are collected, shipped, and analyzed in accordance with NRC Regulatory Guide 4.15. Marine radiological environmental samples are collected by a vendor, AMEC Earth and Environmental, per the vendor's Quality Assurance manual. REMP sample analysis is performed by the Contracted Environmental Analysis Laboratory (CEAL) in accordance with the Laboratory Quality Assurance Plan. During 2002 the CEAL was Duke Engineering Services.

INTERLABORATORY CROSS-CHECK PROGRAM:

The CEAL participates in a number of independent cross check programs, including the National Institute of Standards and Technology (NIST) and Analytics cross-check programs. A summary of the available 2002 Analytics cross check data is included in Table C-1. The CEAL's performance meets the criteria described in Reg Guide 4.15. The acceptance criteria was met for nearly all cross-check samples. Discrepancies noted in Table C-1 were resolved by the CEAL through a formal Condition Report evaluation process.

SPLIT SAMPLING PROGRAM WITH DHS The California Department of Health Services (DHS) supervises the performance of split and duplicate sampling of selected media at the NRC licensed nuclear power plants in California.

Radiochemical analysis is performed by the Sanitation and Radiation Laboratory (SRL); TLD processing is performed by a contractor. According to the 1997 report, the latest data available, there are no discrepancies between the DHS data and SONGS' data.-

COMPARISON OF TLD AND PIC DATA The SONGS REMP measures direct radiation at the various indicator and CONTROL locations with Thulium doped CaSO 4 Panasonic Thermoluminescient Dosimeters (TLDs). The TLDs are collected quarterly and the corresponding dose is measured by the contracted laboratory. Transit dose and fade is compensated for in the reported results. A number of the REMP TLDs are located adjacent to Pressurized Ion Chamber (PIC) direct radiation dose rate meters. Data from the PICs is fed into a central processing unit with readouts near the control room. The PICs serve to provide real time monitoring of the radiation dose rates in the inner ring of SONGS. PIC data from the first quarter of 2002 were assembled and the average dose rate was converted to a quarterly total dose. The resulting PIC measured total quarterly dose compare favorably to the measured TLD total quarterly dose as shown in the tables below.

TLD phosphors tend to over-respond to the lower energy levels and the TLD package has a thin lead shielding to compensate for this over-response. The complete TLD packages meet the requirements of ANSI N545. The energy response data for the PICs was reviewed for this report.

The PIC energy response is relatively linear above -75kEV.

63

FIRST QUARTER 2002 PIC / TLD DATA COMPARISON PIC-I & PIC-2 & PIC-3 & PIC-4 & PIC-5 & PIC-6 & PIC-7 & PIC-8 & PIC-9 &

TLD 10 TLD 67 TLD 40 TLD 61 TLD 62 TLD 63 TLD 64 TLD 65 TLD 66 Average PIC Dose 7.68E-03 8.13E-03 7.53E-03 7.20E-03 7.21 E-03 7.69E-03 7.20E-03 6.49E-03 6.54E-03 Rate in mR/hour PIC total quarterly 16.8 17.8 16.4 15.7 15.7 16.8 16.4 14.2 14.3 dose in mR (91 day)

TLD measured quarterly dose in 16.9 16.6 17.3 14.6 11.8 13.3 14.7 13.1 14.0 mR +/-0.88 +/- 1.06 +/-0.99 +/-0.69 +/-0.60 +/-0.94 +/-0.77 +/-0.93 I 0.77

+/- one sigma (empincal)

QUARTERLY DUPLICATE TLDs SONGS deployed a duplicate TLD package in the same location and canister as TLD 66. The quarterly dose measured by these separate TLD packages is nearly identical.

DUPLICATE TLD DATA COMPARISON 1 ST QUARTER 2ND QUARTER 3RD QUARTER 4 T11 QUARTER TLD 66 14.0 + 0.77 14.4 +/- 0.84 14.3 +/- 0.72 12.4 +/- 0.79 TLD 200 13.9 +/- 1.59 15.0 +/- 0.84 14.0 I 0.53 11.5 +/- 0.76 64

ANNUAL DUPLICATE TLD In July 2001, SONGS deployed an annual duplicate TLD package in the same location and canister as TLD 67. As measured in dose per standard quarter, the dose for TLD 67 was 17.3mR/std quarter. The dose for the annual duplicate TLD #201 was 17.7mR/std quarter.

CALIBRATION OF AIR SAMPLER VOLUME METERS The Shop Services and Instrumentation Division of SCE performs an annual calibration procedure using standards referenced to NIST on all REMP air sampler gas meters. When the gas meters are removed from service, the meter is calibrated and the calibration reports are reviewed for bias. This is an a posteriorireview of the gas meter performance to evaluate method bias and to identify possible outlier analysis results. In 2002, one (1) gas meters failed to meet this criterion at all calibrated flow rates. A review of the affected gross beta data has revealed no meaningful anomalies. Thus no discernable impact to the REMP database or conclusions resulted from use of the out of tolerance gas meters.

65

TABLE C-I Page I of 6 2002 ANALYTICS CROSS-CHECK PROGRAM

SUMMARY

Sample Quarter / Sample Analyte / Reported Known Ratio CEAL Number Year Media Nuclide Units Value Value Analytics Evaluation E2901-162 4 "h/01 Watcr H-3 pCi/L 13510 14060 0.96 Agreement E2903-162 4th /01 Filter Gross Alpha pCi/Filter 14 16 0.88 Agreement E2903- 162 4 "h/ 01 Filter Gross Beta pCi/Filter 50 48 1.04 Agreement E2902A- 162 4 "h/01 Filter Sr-89 pci 66 82 0.80 Agreement E2902A- 162 4 "h/01 Filter Sr-90 pci 54 61 0.89 Agreement E2904-162 4 th /01 Milk I-131 pCi/L 62 61 1.02 Agreement E2904-162 4 th /01 Milk Ce- 141 pCi/L 384 379 1.01 Agreement E2904- 162 4 th /01 Milk Cr-51 pCi/L 527 497 1.06 Agreement E2904-162 4th /01 Milk Cs-134 pCi/L 198 199 0.99 Agreement E2904-162 4 "h/01 Milk Cs- 137 pCi/L 325 318 1.02 Agreement E2904-162 4 th /01 Milk Co-58 pCi/L 94 90 1.04 Agreement E2904- 162 4 "h /01 Milk Mn-54 pCi/L 158 149 1.06 Agreement E2904-162 41h /01 Milk Fe-59 pCi/L 109 102 1.07 Agreement E2904- 162 4 th /01 Milk Zn-65 pCi/L 231 206 1.12 Agreement E2904-162 4 "h/ 01 Milk Co-60 pCi/L 353 353 1.00 Agreement E3096-186 ' /02 Milk I-13 ILL pCi/L 99 90 1.09 Agreement E3096-186 IS /02 Milk Cc- 141 pCi/L 32 29 1.10 Agreement E3096-186 I'/ 02 Milk Cr-51 pCi/L 262 241 1.09 Agreement E3096- 186 1S"/02 Milk Cs-134 pCi/L 103 110 0.94 Agreement E3096-186 I'/02 Milk Cs- 137 pCi/L 248 240 1.03 Agreement E3096-186 I"/02 Milk Mn-54 pCi/L 224 202 1 11 Agreement E3096-1 86 1 / 02 Milk Fe-59 pCi/L 112 104 1.08 Agreement 66

TABLE C-1 Page 2 of 6 2002 ANALYTICS CROSS-CHECK PROGRAM

SUMMARY

Sample Number Quarter / Sample Analyte / Reported Known Ratio CEAL Year Media Nuclide Units Value Value Analytics Evaluation E3096-186 1'/02 Milk Zn-65 pCi/L 215 199 1.08 Agreement E3096-186 I'/02 Milk Co-60 pCi/L 144 142 1.01 Agreement E3097-186 I"/ 02 Charcoal 1-131 pCi/Filter 74 77 0.96 Agreement E3098-186 Is'/02 Charcoal 1-131 pCi/Filter 65 69 0.94 Agreement E3099-186 I" /02 Charcoal 1-131 pCi/Filter 91 87 1.05 Agreement E3023-162 1" /02 Water Gross Alpha pCi/L 56.7 53 1.08 Acceptable E3023-162 15' /02 Water Bross Beta pCi/L 310.3 313 0.99 Acceptable E3024-162 I'/ 02 Water I-131 pCi/L 54.5 61 0.90 Acceptable E3024-162 I" /02 Water 1-13 ILL pCi/L 63.4 61 1.04 Acceptable E3024-162 I" /02 Water Ce- 141 pCi/L 239.4 242 0.99 Acceptable E3024-162 I'/02 Water Cr-51 'pCi/L 175.7 198 0.89 Acceptable E3024-162 Is /02 Water Cs-134 pCi/L 87.8 91 0.97 Acceptable E3024-162 1S" /02 Water Cs-137 pCi/L 197.7 197 1.01 Acceptable E3024-162 15' /02 Water Mn-54 pCi/L 168.5 166 1.02 Acceptable E3024-162 I" /02 Water Fe-59 pCi/L 87.6 86 1.02 Acceptable E3024-162 15/02 Water Zn-65 pCi/L 157.2 164 0.96 Acceptable E3024-162 I" / 02 Water Co-60 pCi/L 114.6 117 0.98 Acceptable E3025-162 1 /02 Soil Ce- 141 pCi/L 350.7 383 0.92 Acceptable E3025-162 1"/02 Soil AcTh-228 pCi/L 448.3 E3025-162 I" 02 Soil Cr-5I pCi/L 274 314 0.87 Acceptable E3025-162 1 /02' Soil Cs-134 pCi/L 136.6 143 0.96 Acceptable E3025-162 I'/02 Soil Cs-137 pCi/L 405.7 439 0.92 Acceptable 67

TABLE C-1 Page 3 of 6 2002 ANALYTICS CROSS-CHECK PROGRAM

SUMMARY

Sample Quarter / Sample Analyte / Reported Known Ratio CEAL Number Year Media Nuclide Units Value Value Analytics Evaluation E3025- 162 1IS"/02 Soil Mn-54 pCi/L 245 8 263 0.94 Acceptable 15'/02 E3025- 162 15'/02 Soil Fe-59 pCi/L 140.2 136 1.03 Acceptable E3025- 162 1' / 02 Soil Zn-65 pCi/L 248.1 259 0.96 Acceptable E3025- 162 I" /02 Soil Co-60 pCi/L 168.1 185 0.91 Acceptable E3026-162 1" / 02 Filter Gross Alpha pCI 21.8 23 0.96 Acceptable E3026-162 15'/02 Filter Gross Beta pCi 149 136 1.1 Acceptable E3027-162 I" / 02 Milk I-131 pCi/L 87.9 92 0.96 Acceptable E3027- 162 1St/ 02 Milk 1-131LL pCi/L 93 92 1 01 Acceptable E3027- 162 I" / 02 Milk Ce- 141 pCi/L 317.8 326 0.98 Acceptable E3027-162 1" /02 Milk Cr-51 pCi/L 277 267 1.04 Acceptable E3027- 162 15'/02 Milk Cs- 134 pCi/L 119 122 0.98 Acceptable E3027- 162 I"'/02 Milk Cs-137 pCi/L 271 2 266 1 02 Acceptable E3027-162 15'/02 Milk Mn-54 pCi/L 231.2 224 1.03 Acceptable E3027- 162 1`/ 02 Milk Fe-59 pCi/L 123.6 116 1.07 Acceptable E3027- 162 1" /02 Milk Zn-65 pCi/L 225.9 221 1.02 Acceptable E3027-162 1t /02 Milk Co-60 pCi/L 152.9 158 0.97 Acceptable E3028-162 1' /02 Milk Sr-89 pCi/L 79.9 83 0.96 Acceptable E3028- 162 I"'/02 Milk Sr-90 pCi/L 24.7 27 0 93 Acceptable E3148-162 Water H-3 pCi/L 6970 6970 1.00 Acceptable E3149-162 Water Sr-89 pCI/L 42 64 0.66 Unacceptable (1)

E3149-162 2 nd / 02 Water Sr-90 pCi/L 36 39 0.92 Acceptable (1) CR 02-43 issued to investigate failures for Sr-89 68

TABLE C-1 Page 4 of 6 2002 ANALYTICS CROSS-CHECK PROGRAM

SUMMARY

Sample Quarter / Sample Analyte / Reported Known Ratio CEAL Number Year Media Nuclide Units Value Value Analytics Evaluation E3150-162 2 nd /02 Filter Gross Alpha pCi (2) (2) (2) (2)

E3150-162 2 nd / 02 Filter Gross Beta pCi (2) (2) (2) (2)

E3151-162 2 nd 0 2 Filter Ce-141 pCi/L 59 61 0.97 Acceptable E3151-162 2nd 02 Filter Cr-51 pCi/L 165 160 1.03 Acceptable E3151-162 2 nd / 02 Filter Cs-134 pCi/L -77 82 0.94 Acceptable E3151-162 2,d 62 Filter Cs-137 pCi/L 64 62 1.03 Acceptable E3151-162 2 nd/02 Filter Co-58 pCiiL 68 68 1.00 Acceptable E3151-162 2rd/ 02 Filter Mn-54 pCi/L 69 65 1.06 Acceptable E3151-162 2d/02 Filter Fe-59 pCi/L 62 55 1.13 Acceptable E3151-162 2nd/02 Filter Zn-65 pCi/L 131 122 1.07 Acceptable E3151-162 2 nd 02 Filter Co-60 pCi/L 82 85 0.96 Acceptable E3152-162 2 nd 02 Filter Sr-90 pCi/L 41 *48 0.85 Acceptable E3153-162 2nd'02 Milk 1-131 pCi/L 88 87 1.01 Acceptable E3153-162 2 nd/0 2 Milk I-131L pCi/L 85 87 0.98 Acceptable E3153-162 2 nd 0 2 Milk Ce-141 pCi/L 86 90 0.96 Acceptable E3153-162 2rd/02 Milk Cr-51 pCi/L 230 235 0.98 Acceptable E3153-162 2 nd/0 2 Milk Cs-134 pCi/L 121 120 1.01 Acceptable E3153-162 2 nd/0 2 Milk Cs-137 pCi/L 89 91 098 Acceptable E3153-162 2 nd 02 Milk Co-58 pCi/L 100 100 1.00 Acceptable E3153-162 2 nd 02 Milk Mn-54 pCi/L 97 95 1.02 Acceptable E3153-162 2 nd 02 Milk Fe-59 pCi/L 83 81 1.02 Acceptable (2) Filter damaged during sample preparation. No results issued.

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TABLE C-1 Page 5 of 6 2002 ANALYTICS CROSS-CHECK PROGRAM

SUMMARY

Sample Quarter / Sample Analyte / Reported Known Ratio CEAL Number Year Media Nuclide Units Value Value Analytics Evaluation E3153-162 2 nd1 02 Milk Zn-65 pCi/L 179 180 0.99 Acceptable E3153-162 2 nd/ 0 2 Milk Co-60 pCi/L 127 125 1.02 Acceptable E3288-162 3'd /02 Water Gross Alpha pCI/L 73 92 0.79 Acceptable E3288-162 3rd / 02 Water Gross Beta pCi/L 204 239 0.85 Acceptable E3289-162 3'd/02 Water I-131 pCi/L 68 79 0.86 Acceptable E3289-162 3 rd/ 0 2 Water 1-131L pCi/L 77 79 0.97 Acceptable E3289-162 3d /02 Water Ce-141 pCI/L 209 214 0.98 Acceptable E3289-162 3 rd/ 0 2 Water Cr-51 pCi/L 289 304 0.95 Acceptable E3289-162 3" /02 Water Cs-134 pCi/L 169 176 096 Acceptable E3289-162 3 rd/ 0 2 Water Cs-137 pCi/L 167 169 099 Acceptable E3289-162 3 rd/0 2 Water Co-58 pCi/L 129 130 0.99 Acceptable E3289-162 3d 02 Water Mn-54 pCi/L 206 204 1.01 Acceptable E3289-162 3rd /02 Water Fe-59 pCi/L 118 119 0.99 Acceptable E3289-162 3 rd/ 02 Water Zn-65 pCi/L 251 251 1.00 Acceptable E3289-162 3 rd/0 2 Water Co-60 pCi/L 187 199 1 04 Acceptable E3291-162 3rd /02 Filter Gross Alpha pCi 58 59 0.98 Acceptable E3291-162 3rd 02 Filter Gross Beta pCI 144 155 0.93 Acceptable E3292-162 3 rd/ 0 2 Milk 1-131 pCi/L 79 80 099 Acceptable E3292-162 3 rd/0 2 Milk I-131L pCI/L 77 80 096 Acceptable E3292-162 3rd /02 Milk Ce-141 pCi/L 156 160 0.98 Acceptable E3292-162 3rd/02 Milk Cr-51 pCi/L 231 227 1.02 Acceptable 70

TABLE C-1 Page 6 of 6 2002 ANALYTICS CROSS-CHECK PROGRAM

SUMMARY

Sample Quarter / Sample Analyte / Reported Known Ratio CEAL Number Year Media Nuclide Units Value Value Analytics Evaluation E3292-162 2 nd /02 Milk Cs-134 pCi/L 128 132 0.97 Acceptable E3292-162 2 nd /02 Milk Cs-137 pCi/L 122 127 0.96 Acceptable E3292-162 rd/0 Milk Co-58 pCi/L 95 97 0.98 Acceptable 3 2 E3292-162 3 rd/ 0 2 Milk Mn-54 pCi/L 151 152 0.99 Acceptable E3292-162 3 rd / 0 2 Milk Fe-59 pCi/L 94 89 1.06 Acceptable E3292-162 Milk Zn-65 pCi/L 180 187 0.96 Acceptable 3rd / 02 E3292-162 Milk Co-60 pCi/L 142 149 0.95 Acceptable 3rd/ 02 E3293-162 Milk Sr-89 pCi/L 84 92 0.91 Acceptable 3rd /02 E3293-162 Milk Sr-90 pCi/L 36 39 0.92 Acceptable 71

APPENDIX D COMPARISON OF OPERATIONAL TO PREOPERATIONAL DATA AND ANALYSIS OF TRENDS 72

Comparison of Operational to Preoperational Data and Analysis of Trends Unit 1 became critical on June 14, 1967 and was permanently retired from service on November 30, 1992. Unit 2 attained initial criticality on July 26, 1982. Unit 3 attained initial criticality on August 29, 1983. Unit 2 underwent a 43 day refueling outage, a 4 day mechanical outage and operated the remainder of the year 2002. Unit 3 underwent a 4 day electrical outage and was operational the remainder of 2002.

A variety of environmental samples were analyzed and the analytical results (January 1, 1979 to July 31, 1982) were compared with the 2002 operational data obtained for SONGS Units 2 and 3, which is the subject post-operational period for SONGS Unit 1.

The following media were evaluated and compared with the operational data of SONGS Units 1, 2 and 3:

A. External Radiation F. Ocean Bottom Sediments B. Air Particulates G. Marine Species C. Radioiodine H. Local Crops D. Ocean Water I. Soil E. Shoreline Sediment (sand) J. Kelp K. Drinking Water All of the measurements obtained from the SONGS Unit 1 operational Radiological Environmental Monitoring Program (REMP) during the period from January 1979 to July 1982 are used as the preoperational baseline for SONGS Units 2 and 3. This is in accordance with San Onofre Units 2/3, Environmental Report, Operating License Stage, Appendix 6A, Pre-operational Radiological Environmental Monitoring, May 31, 1978. Comparisons of preoperational data to 2002 operational data are possible for each of the exposure pathways to man, namely: (1) direct radiation, (2) air particulates (inhalation), and (3) ocean water (waterborne). Comparisons can also be made between preoperational and operational data for ocean bottom sediment data to ascertain if there has been any significant increase in radioactivity in ocean bottom sediments in the vicinity of the SONGS Units 2 and 3 outfalls.

A. Direct Radiation SONGS Unit 1:

No direct radiation data were obtained in the preoperational period of 1964 to 1967 to compare with the operational data.

SONGS Units 2 and 3:

Direct radiation measurements were made quarterly at 45 indicator locations and 11 CONTROL locations in 2002. Direct radiation samples (TLDs) were collected at a number of inner and outer ring locations as specified by the ODCMs. During the preoperational period from January 1979 to July 31, 1982, the indicator stations ranged from 16.1 to 46.6 millirem.

73

The preoperational indicator average was 25.3. The preoperational CONTROL range was 19.3 to 30.1 and the CONTROL mean was 23.1. During the 2002 operational year for Units 2 and 3, the routine indicator TLD locations ranged from 9.4 to 38.2 millirem, averaging 16.7 millirem while the CONTROL locations ranged from 11.8 to 19.0 millirem with an average of 15.3 millirem.

Factors such as meteorology, geographic location, the fallout from atmospheric nuclear weapons testing, and seasonal fluctuations account the variability in the data seen during the preoperational period for each location. The decrease in radiation levels at all TLD sample locations is attributable to the curtailment of the atmospheric nuclear weapons testing, and the continued decay fission products from previous nuclear weapons tests.

The average direct radiation doses were larger at both indicator and CONTROL locations during the preoperational period than during the 2002 operational period for SONGS Units 2 and 3. The larger average observed during the preoperational time span may be attributable to Communist Chinese atmospheric nuclear weapons tests on March 14, 1978 and on October 15, 1980. The large average of annual direct radiation levels seen at most TLD sample locations during 1986 and 1987 is attributable to the Chernobyl Nuclear Power Plant accident that occurred April 26, 1986.

Figures 2A & 2B compare the environmental radiation levels of selected indicator and CONTROL locations during the operational and preoperational periods. From 1979 to 2002 a decreasing trend can be observed, due to the curtailment of atmospheric nuclear weapons testing and the decay of residual fallout. Simultaneous variation in the radiation levels at both the CONTROL and indicator locations show that the variations are due to factors external to SONGS. The operation of SONGS had no impact on the environment as measured by this sample medium.

B. Air Particulates SONGS Unit 1:

Before SONGS Unit 1 attained initial criticality, samples of air particulate gross beta activity were collected from indicator and CONTROL locations. During the preoperational period of 1964-1967, detectable gross beta activity at the indicator locations ranged from 0.030 to 3.810 pCi/m3 , averaging 0.253 pCi/M3 . The CONTROL location of Huntington Beach (HBGS) had an average gross beta activity of 0.306 ranging from 0.04 to 2.77 pCi/M3 . During 2002, the gross beta activity at the indicator locations ranged from 0.009 to 0.11 pCi/m 3 , and averaging 0.0272 pCi/M3 . The Oceanside CONTROL location gross beta activity ranged from 0.0101 to 0.0610 pCi/M3 with an average of 0.0272 pCi/M3 . The decrease in activity levels between 1965 and 2002 is ascribed to the curtailment of atmospheric nuclear weapons testing and the resultant decrease in fallout. Refer to figure 3C. There was a close correlation between indicator and CONTROL locations in 2002. The operation of SONGS had no impact on the environment as measured by this sample medium.

Valid comparisons of preoperational data to the 2002 postoperational data are difficult to make because the preoperational background levels are elevated by a factor of about ten due to the atmospheric nuclear weapons testing fallout.

74

SONGS Units 2 and 3:

From January 1979 through July 1982 (considered to be the preoperational period for SONGS Units 2 and 3), there is a period of noticeably higher gross beta activity in air at all sample locations. This period extends from the fourth quarter of 1980 through the fourth quarter of 1981. These higher activity levels are attributable to the Communist Chinese atmospheric nuclear weapons test conducted on October 15, 1980.

Figures 3A and 3B compare the monthly average gross beta particulate in air activity levels of selected indicator locations with the CONTROL location over a period of 26 years (January 1976 to December 2002). The data clearly show a close correlation between the indicator and control locations for the entire time period covered. The various spike increases in gross beta activity at all sample locations are closely grouped and timed to coincide with known events external to SONGS with worldwide radiological impact. These events include: Communist Chinese atmospheric nuclear weapons testing on September 17, 1977; March 14, 1978; October 15, 1980; and the April 1986 Chernobyl accident. The graphs (Figures 3A and 3B) show that the environmental levels of gross beta remained substantially similar at both the indicator and the CONTROL locations over an extended period of time, with both CONTROL and indicator locations showing simultaneous variations of equal magnitude. The fluctuations in gross beta activity are not attributable to SONGS and are the result of other environmental phenomena and seasonal variations.

The Communist Chinese testing of October 1980 deposited a large amount of radioactivity in California and raised the background level. During this period the highest gross beta activity was observed at the Huntington Beach CONTROL station (0.29 pCi/m3 on the collection period ending May 11, 1981). The dispersion of the radioactive plume and its travel throughout the country affected the environmental levels at all the locations being studied. The fallout from the weapons testing raised the background radiation level in this sample medium by approximately one order of magnitude. The decrease in gross beta activity level after mid-1981 is ascribed to the curtailment of the Communist Chinese weapons testing. Since the end of the weapons testing the overall trend of the data has been a decrease in the annual average gross beta particulate in air activity to a level of approximately 0.02 pCi/m3 .

C. Radioiodine SONGS Unit 1:

No preoperational data is available. All 2002 data was below both the a prioriLLD (0.07 pCi/m 3 ) and the lower, count specific, a posterioriMDC.

SONGS Units 2 and 3:

Most of the preoperational and all of the 2002 operational data for I- 13 1 level were below the detection limit. .

75

D. Ocean Water SONGS Unit 1:

No samples were obtained for the preoperational period of SONGS Unit 1.

SONGS Units 2 and 3:

Ocean water samples were collected on a monthly basis in the vicinity of each of the Station discharge outfalls, which served as indicator locations and from the Newport Beach CONTROL location. The ocean water samples are analyzed for naturally-occurring and station-related gamma-emitting radionuclides. They are composited quarterly and analyzed for tritium.

During the preoperational period, naturally-occurring potassium-40 was detected in each of the samples collected from both indicator and CONTROL locations. Other gamma-emitting radionuclides were detected in only one ocean water sample. In May 1980, Co-58, Co-60, Cs-134, and Cs-137 were detected in an ocean water sample collected from the SONGS Unit I outfall. Concentrations of the radionuclides in this sample were 11, 6, 380, and 430 pCi/I, respectively. Tritium was also detected in two of the ocean water samples collected in May 1980 from the SONGS Unit 2 outfall and from the Newport Beach CONTROL location. Reduction in effluent activity through programmatic changes at Unit 1 may have reduced activity levels in ocean water.

For tritium and all SONGS related radionuclides the data collected at all locations during the 2002 operational period was below both the a priori LLD and the lower a posterioriMDC. We conclude that the operation of SONGS had no impact on the environment as measured by this sample medium.

E. Shoreline Sediments (Sand)

SONGS Unit 1:

Shoreline Sediment samples were not collected during the preoperational period for SONGS 1.

SONGS Units 2 and 3:

Beach sand is collected semiannually from three indicator locations and from a CONTROL location situated at Newport Beach. The samples are analyzed for 28 naturally-occurring and plant-related radionuclides.

To assess the impact of SONGS operations on this environmental medium, preoperational data were compared to 2002 operational data. The radionuclhde detected in shoreline sediment in the preoperational time frame was Cs-137 with a range of 0.012 to 0.022 pCi/g, averaging 0.019 in 5 sediment samples. One CONTROL sample with a Cs-137 activity of 0.032 pCi/g was observed in July 1979. The presence of Cs-137 in both CONTROL and indicator locations during the preoperational period leads to the conclusion that the root cause is external to SONGS and is most likely attributable to atmospheric nuclear weapons testing. No SONGS-related radionuclides were detected in shoreline sediment during the 2002 operational period, thus the impact of SONGS on the environment as measured by the sample medium is considered to be negligible.

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F. Ocean Bottom Sediments SONGS Unit 1:

Ocean bottom sediment samples were not collected during the preoperational phase of Unit 1, and, therefore, no comparison can be made. However, operational data for SONGS I did not reveal the presence of any significant radioactivity in the sediment samples.

SONGS Units 2 and 3:

During the preoperational and operational periods, representative samples of ocean bottom sediments were collected semiannually from each of the Station discharge outfalls and from a CONTROL station in Laguna Beach. The samples were analyzed for naturally occurring and SONGS related radionuclides. The results of the analyses are listed in Table D-1B. It is clear in surveying the data that the concentration of each of the radionuclides has decreased with time or has been consistently below the lower limit of detection.

SONGS-related radionuclides were also detected in samples collected during preoperational period. Manganese-54 (Mn-54) was detected in 5 of the 28 samples. The concentrations of Mn-54 in these samples ranged from 0.015 to 0.49 pCi/g, averaging 0.13 pCi/g. Cobalt-58 (Co-58) was detected in nine samples. The concentration of Co-58 in the samples ranged from 0.013 to 1.16 pCi/g, averaging 0.20 pCi/g. Cobalt-60 (Co-60) was measured in 15 of the 28 samples. The concentration of Co-60 in the sample ranged from 0.014 to 8.1 pCi/g, averaging 0.79 pCi/g. Cs-137 was also detected in 16 of the 28 samples. The concentrations of Cs-137 in the samples ranged from 0.014 to 0.090 pCi/g, averaging 0.039 pCi/g. Cerium-144 (Ce-144) was found in two samples. The concentration of Ce-144 in the samples was 0.06 and 0.26 pCi/g, respectively.

The results indicate that there has not been a build-up of radionuclides with time in ocean bottom sediments near SONGS. The results also indicate notable decrease in the concentrations of plant-related radionuclides in the ocean bottom sediment. Although Co-58, Co-60, and Cs-137 are normally associated with nuclear power operations, preoperational study reveals no accumulation trend for these radionuclides, and no increase in levels for these radionuclides was detected during the operational period.

The concentration of station-related radionuclides in all ocean bottom sediment samples analyzed in 2002 was below the a prioriLLD as well as below the lower aposterioriMDC. We conclude that operation of SONGS Units 2 and 3 has had a negligible impact upon this environmental medium.

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TABLE D-1A SHORELINE SEDIMENTS CONCENTRATION (pCilg, wet weight)

PREOPERATIONAL AND OPERATIONAL DATA*

SONGS UNITS 2 AND 3 INDICATOR CONTROL Radionuclide** Period Range Average Range Average Cs-137 PreOp 0.012-0.022 0.019 <LLD-0.032 <LLD All other measured PreOp < LLD < LLD < LLD < LLD SONGS related radionuclides Operational < LLD < LLD < LLD < LLD TABLE D-1B OCEAN BOTTOM SEDIMENTS CONCENTRATION (pCi/g, wet weight)

PREOPERATIONAL AND OPERATIONAL DATA*

SONGS UNITS 2 AND 3 INDICATOR CONTROL Radionuclide** Period Range Average Range Average Mn-54 PreOp 0.0150-0.49 0.129 <LLD <LLD Co-58 PreOp 0.013-1.160 0.199 <LLD <LLD Co-60 PreOp 0.014-8.100 0.788 <LLD <LLD Ag-i IOim PreOp <LLD-0.020 <LLD <LLD <LLD Cs-137 PreOp 0.014-0.090 0.039 <LLD-0.043 <LLD Ce-144 PreOp 0.060-0.260 0.160 <LLD <LLD All other measured PreOp < LLD < LLD < LLD < LLD SONGS related radionuclides Operational < LLD < LLD < LLD < LLD

PreOp = January 1979 to July 1982; Operational - January to December 2002

- During January to December 2002 all station related Radionuclides from all sample locations were < LLD LLD Lower limits of detection for operational data are listed in Appendix B.

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G. Marine Species (Flesh)

SONGS Unit l:

Marine species were not collected during the preoperational period for SONGS Unit 1. No comparison with operational data is possible.

SONGS Units 2 and 3:

Non-migratory marine species were collected semi-annually near SONGS to determine the amount of radioactivity that could be consumed by man or in the food chain to man. Marine species caught by the SONGS outfalls and from Laguna Beach include two species of adult fish, crustacea and mollusks. Upon collection, the flesh portion is analyzed for gamma-emitting, radionuclides as specified in the ODCM. The results are subsequently reported as pCi/gram wet weight.

Results for several marine species for both the preoperational and 2002 operational periods for Units 2 and 3 are summarized in Table D-2. The marine species used for purposes of comparison include: sheephead (a fish), black perch (a fish), bay mussel (a mollusk), spiny lobster (a crustacea), sea hare (a mollusk), and keyhole limpet (a mollusk). Radionuclides analyzed but not included in Table D-2 were below the lower limits of detection for both the preoperational and operational periods.

During the 2002 operational period, no SONGS related radionuclides were detected at either the a prioriLLD or the lower a posterioriMDC. The data indicate no accumulation trends. The operation of SONGS Units 2 and 3 in 2002'had no impact on the environment as measured by this sample medium.

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TABLE D-2 Page 1 of 3 MARINE SPECIES CONCENTRATIONS (pCi/g, wet weight) PREOPERATIONAL AND 2002 OPERATIONAL DATA (SONGS UNITS 2/3)

Sheephead Flesh**

INDICATOR CONTROL Radionuclide Period Range Average Range Average Co-58 PreOp 0.016-0.030 0.023 <LLD <LLD Co-60 PreOp 0.005-0.044 0.017 <LLD <LLD Cs-137 PreOp 0.004-0.018 0.007 0.005-0.012 0.007 All other PreOp <LLD <LLD <LLD <LLD measured SONGS related Operational <LLD <LLD <LLD <LLD radionuclides Black Perch Flesh**

INDICATOR CONTROL Radionuclide Period Range Average Range Average Co-58 PreOp 0.009-0.011 0.010 <LLD <LLD Co-60 PreOp 0.004-0.045 0.017 <LLD <LLD Ag-1 10m PreOp 0.002-0.009 0.006 <LLD <LLD Cs-137 PreOp 0.003-0.015 0.008 0.004-0.014 0.009 All other PreOp <LLD <LLD <LLD <LLD measured SONGS related Operational <LLD <LLD <LLD <LLD radionuclides PreOp = January 1979 to July 1982; Operational - January to December 2002 During January to December 2002 all station related Radionuclides from all sample locations were < LLD LLD Lower limits of detection for operational data are listed in Appendix B.

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TABLE D-2 Page 2 of 3 MfARINE SPECIES CONCENTRATIONS (pCi/g, wet weight) PREOPERATIONAL AND OPERATIONAL DATA (SONGS UNITS 2/3)

Bay Mussel Flesh**

INDICATOR CONTROL Radionuclide Period Range Average Range Average Mn-54 PreOp 0.009-0.025 0.017 <LLD <LLD Co-58 PreOp 0.008-0.080 0.028 Co-60 PreOp 0.005-0.40 0.077 <LLD <LLD Cs-137 PreOp 0.003-0.006 0.004 <LLD <LLD Ru-103 PreOp <LLD-0.045 <LLD <LLD <LLD All other PreOp <LLD <LLD <LLD <LLD measured SONGS related Operational <LLD <LLD <LLD <LLD radionuclides Spiny Lobster Flesh**

INDICATOR CONTROL Radionuclide Period Range Average Range Average Co-S8 PreOp 0.007-0.270 0.086 <LLD <LLD Co-60 PreOp 0.014-0.210 0.060 <LLD <LLD Cs-137 PreOp 0.005-0.011 0.008 0.040-0.015 0.008 All other PreOp <LLD < LLD <LLD <LLD measured SONGS related Operational <LLD <LLD <LLD <LLD radionuclides

PreOp = January 1979 to July 1982; Operational - January to December 2002

- During January to December 2002 all station related Radionuclides from all sample locations were < LLD LLD Lower limits of detection for operational data are listed in Appendix B.

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TABLE D-2 Page 3 of 3 MARINE SPECIES CONCENTRATIONS (pCi/g, wet weight) PREOPERATIONAL AND OPERATIONAL DATA (SONGS UNITS 2/3)

Sea Hare Flesh**

INDICATOR CONTROL Radionuclide Period Range Average Range Average Co-57 PreOp 0.006-0.017 0.009 <LLD <LLD Co-58 PreOp 0.006-12.4 1.233 <LLD <LLD Co-60 PreOp 0.016-2.000 0.448 0.003-0.027 0.013 Zn-65 PreOp <LLD-0.10 <LLD <LLD <LLD Ag-110in PreOp 0.018-0.50 0.138 0.020-0.039 0.030 Cs-137 PreOp <LLD-0.004 <LLD <LLD-0.005 <LLD All other PreOp < LLD < LLD < LLD < LLD measured SONGS related Operational < LLD < LLD < LLD < LLD radionuclides Keyhole Limpet (Flesh)**

INDICATOR CONTROL Radionuclide** Period Range Average Range Average Co-58 PreOp 0.007-0.101 0.054 <LLD-0. 190 <LLD Co-60 PreOp 0.021-0.040 0.033 <LLD-0.022 0.022 Ag-1 10m PreOp 0.033-0.101 0.054 0.005-0.042 0.022 Cs-137 PreOp <LLD <LLD <LLD-0.005 <LLD All other PreOp < LLD < LLD <LLD <LLD measured SONGS related Operational < LLD < LLD < LLD < LLD radionuclides

PreOp = January 1979 to July 1982; Operational - January to December 2002

- During January to December 2002 all station related Radionuclides from all sample locations were < LLD LLD Lower limits of detection for operational data are listed in Appendix B.

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H. Local Crops SONGS Unit 1:

During the preoperational phase of Unit 1, local crops were collected semiannually from both indicator and CONTROL locations, and subsequently analyzed for Sr-90. The range was 0.008 to 0.030 pCi/g wet weight. The average Sr-90 value was 0.022 pCi/g wet weight. Sr-90 is a common fission product likely due to atmospheric weapons tests.

During 2002, only naturally occurring radionuclides were detected in the crop samples.

SONGS Units 2 and 3:

In the preoperational period of January 1979 through July 1982, Sr-90 was detected in the CONTROL samples of kale, parsley, and squash. Naturally occuring K-40 was detected in cucumber, kale, and tomato samples from the indicator and CONTROL locations. Ce-144 and Zr-95 were detected in one sample of parsley at the CONTROL location at concentrations of 0.12 and 0.09 pCi/g, wet weight respectively.

In the 2002 operational period, only naturally occurring radionuclides were detected in the crop samples. The data indicate that the concentration of SONGS related radionuclides have decreased over time in this sample medium. This decrease is attributable to the termination of atmospheric nuclear weapons testing. The operation of SONGS had no impact on the environment as measured by this sample medium.

I. Soil SONGS Unit 1:

No soil data were available for Unit 1 preoperational phase so a comparison cannot be made.

However, gamma isotopic analysis of soil does not show any significant level of radioactivity.

No accumulation pattern of plant-related radionuclides in the soil has been observed in the last 20 years.

SONGS Units 2 and 3:

A comparison of operational and preoperational data does not reveal any accumulation pattern of SONGS related isotopes in soil. The intermittent detection of Cs-137 in both indicator and CONTROL locations is due to residual fallout from atmospheric nuclear weapons testing.

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J. Kelp SONGS Unit 1:

Samples of kelp were not collected and analyzed during the preoperational period for SONGS Unit 1. No comparison with operational data is possible.

SONGS Units 2 and 3:

Kelp is collected semiannually from three indicator locations and from a CONTROL location situated in Laguna Beach. After collection, the samples are analyzed by gamma-spectral analysis for naturally-occurring and SONGS-related radionuclides.

To assess the impact of SONGS operations on kelp, preoperational data were compared to 2002 operational data in Table D-4. Radionuclides detected during the preoperational period for SONGS Units 2 and 3 include Mn-54, Co-60, Zr-95, I-131, and Cs-137.

During the 2002 operational period, 1-131 was detected in eight (8) samples obtained. No other station related isotopes were detected in kelp samples during the 2002 operational period. Figure 4 (1-131 in Kelp) shows a close correlation between indicator and control sample locations over a 25 year period.

Although I-131 activity has been randomly detected in kelp since 1977, there is no evidence that the concentration of I- 131 or other station related radionuclides in kelp is increasing near SONGS. 1-131 in kelp is most likely due to the sewer release of medical administrations, since it has been detected consistently in CONTROL as well as indicator locations. Since 1988 the concentration of I- 131, when detected, has typically been highest at the CONTROL location.

This data supports the conclusion that during the Units 2/3 operational period, the detection of I-131 in kelp is primarily due to factors external to SONGS.

K. Drinking Water No plant related radionuclides were detected during the 2002 operational period. Gross beta activity was detected during both the operational and preoperational periods at both the indicator and the CONTROL locations. No trends have been noted. There is no drinking water pathway for SONGS. The operation of SONGS had no impact on the environment as measured by this sample medium.

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TABLE D-3 SOIL PREOPERATIONAL AND OPERATIONAL DATA* (pCi/g, dry weight)

SONGS UNITS 2 and 3 INDICATOR CONTROL Radionuclide Period Range Average Range Average Sr-90 PreOp 0.02-0.08 0.044 <LLD-0.03 <LLD Cs-137 PreOp 0.02-0.20 0.096 <LLD-0.06 <LLD Cs-137 Operational <LLD-0.063 0.024 0.111 0.111 All other PreOp <LLD <LLD <LLD <LLD measured SONGS related Operational <LLD <LLD <LLD <LLD radionuclides TABLE D4 KELP PREOPERATIONAL AND OPERATIONAL DATA* (pCi/g, wet weight)

SONGS UNITS 2 AND 3 INDICATOR CONTROL Radlionuclide Period Range Average Range Average Mn--54 PreOp <LLD-0.005 <LLD <LLD <LLD Co- 60 PreOp 0.006-0.009 0.008 <LLD <LLD Zr(T4b)-95 PreOp 0.014-0.090 0.046 0.018-0.053 0.036 1-13 1 PreOp 0.006-0.024 0.013 0.008-0.030 0.014 1-13 1 Operational 0.016-0.14 0.072 0.018-0.011 0.063 Cs-]137 PreOp 0.004-0.009 0.006 <LLD <LLD All other PreOn

- -- -1

< LLD <LLD <LLD <LLD meaLsured So0NTGS related Operational <LLD <LLD <LLD <LLD radi onuclides

PreOp = January 1979 to July 1982; Operational - January to December 2002 LLD Lower limits of detection for operational data are listed in Appendix B.

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APPENDIX E DEVIATIONS FROM ODCM SAMPLING REQUIREMENTS IN 2002 86

DEVIATIONS FROM THE ODCM SAMPLING REQUIREMENTS Deviations from the Offsite Dose Calculation Manual (ODCM) sampling requirements are identified below in accordance with section 5.0 of the ODCM. The performance standard for environmental data collection of 95% was met for all sample types. During 2002, the ODCM specified a prioriLLD was achieved for most REMP samples obtained. Deviations from the ODCM were associated with external factors not within the control of REMP personnel such as limited availability of Marine Samples at the locations specified in the ODCM. These minor unavoidable deviations from the ODCM had no meaningful impact on the REMP database and did not compromise the validity of the reported conclusions.

PART I TERRESTRIAL SAMPLING A. WEEKLLYAIR SAMPLING Downtime for each air sampler in 2002 due to weekly sample collection, annual preventive maintenance (PM) and the annual gas meter change out was approximately 46 minutes for each sampler.

Weekly Change out: Approximately 0.5 minutes x 52 = 26 minutes Annual PM: Approximately 15 minutes Annual Gas Meter change out: Approximately 5 minutes Down times in excess of I hour are described below for each air sample. Air sampler availability remains well above 95%.

Air Sampler 1 (City of San Clemente):

Air Sampler 9:

No deviations were observed.

Air Sampler 10 (Bluff):

Out of service for 6.8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months in 2002 due to power outages.

Air Sampler 11 (EOF):

Out of service for 6.5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months in 2002 due to power outages.

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Air Sampler 12 (Former SONGS Evaporation Pond):

Out of service for 42 hours4.861111e-4 days 0.0117 hours 6.944444e-5 weeks 1.5981e-5 months in 2002 due to power outages.

Air Sampler 13 (Camp Pendleton East):

Out of service for 4.1 hours1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months in 2002 due to power outages.

Air Sampler 14 (Mesa Medical Facility):

Out of service for 3.7 hours8.101852e-5 days 0.00194 hours 1.157407e-5 weeks 2.6635e-6 months in 2002 due to power outages.

Air Sampler 15 (Oceanside CONTROL):

No deviations were observed.

Summary of Air Sampler Corrective Actions The useful life of the vacuum pump motor assemblies is estimated to be five years based on the recommendation of the manufacturer and upon experience. If the internal components (motor and control valve) are replaced the useful life may be extended. During 2002 the REMP air samplers experienced no down time attributable to motor or vacuum pump assembly failure.

B. DIRECTRADIATION No deviations were observed.

C. LOCAL CROPS No deviations were observed.

D. SHORELINE SEDIMENTS No deviations were observed.

E. DRINKING WA TER No deviations were observed.

F. SOIL No deviations were observed.

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PART II MARINE SAMPLING A. NON-MIGRA TORYMARINEANIMALS Samples were collected from the specified ODCM sample location when samples were available at that location. When the specified sample type was not available at the ODCM listed location alternate locations were selected based on sample availability and proximity to the specified sample location. All indicator samples were obtained within two miles of the associated outfall.

In some cases the indicator species is not the same as the control species due to limited availability at the indicator location.

Some of the non-migratory marine species samples were not available at the locations specified in the ODCM. Listed below are those samples which were obtained from substitute locations.

All listed locations are relative to the midpoint of Units 2/3 during 2002:

ODCM Sample Sample Type Actual Sample Specified Date Location Sample Location April Sample A Unit 1 lobster 0.4 miles SSW Ul Outfall 2002 Sample A Unit 1 sheephead and kelp bass 1.2 miles SSW 0.9 miles WSW Sample A Unit 1 aplysia (sea hare) 0.7 miles WNW April Sample B Units 2/3 lobster 0.9 miles WSW U2/3 Outfall 2002 Sample B Units 2/3 sheephead & blacksmith 1.5 miles SW 1.5 miles SSW Sample B Units 2/3 aplysia (sea hare) 0.5 miles WNW April Sample C North CONTROL all species 17.1 miles NW Laguna Beach 2002 (Control) 18.2 miles NW October Sample A Unit 1 lobster 0.6 miles SW Ul Outfall 2002 Sample A Unit 1 sheephead and opaleye 0.6 miles SW 0.9 miles WSW Sample A Unit 1 aplysia (sea hare) 0.6 miles WNW October Sample B Units 2/3 lobster 0.9 miles WSW U2/3 Outfall 2002 Sample B Units 2/3 sheephead & black perch 0.9 miles WSW 1.5 miles SSW Sample B Units 2/3 aplysia (sea hare) 0.9 miles WSW October Sample C North CONTROL all species 17.1 miles NW Laguna Beach 2002 (Control) 18.2 miles NW 89

B. OCEAN WA TER SAMPLING No deviations were observed.

C. OCEAN BOTTOMSEDIMENTS No deviations were observed.

Actual sample location depends on sediment availability which is a function of seasons, currents, and other macro environmental factors. The actual exact sample location has been determined for each of the past five years via a Differential Global Positioning System (DGPS) receiver.

Variations in the location of available ocean bottom sediment have caused deviations from the ODCM in previous years.

D. KELP Sample A San Onofre Kelp Bed - The April 2002 kelp was obtained 1.4 miles SW at the San Onofre Kelp Bed. The October 2002 sample was obtained from a location 1.4 miles SW from Units 2/3. The ODCM specified location is 1.5 miles S.

Sample B San Mateo Kelp Bed - The April 2002 sample was obtained from a location 2.9 miles WNW from Units 2/3 midpoint. The October 2002 sample was obtained from a location 2.9 miles WNW from Units 2/3 midpoint. The ODCM specified location is 3.8 miles WNW.

Sample C Barn Kelp - The April 2002 Barn Kelp sample was obtained 6.1 miles SSE. The October 2002 sample was obtained 5.5 miles SSE from the midpoint of Units 2/3. The ODCM location is 6.3 miles SSE.

Sample D Laguna Beach (CONTROL) - The CONTROL sample was obtained from the Salt Creek CONTROL location. The April 2002 sample was obtained 11.6 miles WNW. The October 2002 sample was obtained 11.7 miles WNW. The ODCM specified location is 11 to 13 miles WNW to NW. No deviations were observed for the Salt Creek CONTROL location.

Kelp is intermittently available at the various local kelp forests. Sea urchin population, El Nino and La Nina weather phenomena and other macro-environmental factors determine Kelp sample availability. Samples were obtained from the kelp canopy closest to the ODCM specified location.

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APPENDIX F LAND USE CENSUS 94

INTRODUCTION Southern California Edison conducted the annual 2002 Land Use Census (LUC) in accordance with section 5.2 of the Offsite Dose Calculation Manual (ODCM). -The purpose of the LUC is to identify important radiological pathways to humans. The LUC identifies the nearest residences, milk animals, meat animals, gardens of at least 500 square feet that produce fleshy or leafy vegetables, and other specified uses (campgrounds, employment, etc.) in each of the meteorological landward sectors within five miles of SONGS. Results are summarized in Table F-I and F-2 at the end of this appendix.

THE STUDY AREA The study area includes half of the city of San Clemente (population estimated at 54,900 as of January 1, 2002), the San Clemente State Park, U.S. Marine Corps Base Camp Pendleton (MCB), San Onofre State Beach and Park, the San Clemente Ranch, the former U. S. Coast Guard Station at San Mateo Point, and SONGS.

METHODOLOGY A review of the 2001 LUC and documentation notebook was conducted. Verification and revision of the 2001 data was accomplished by inquiry to the cognizant agency, organization, or individual possessing direct knowledge of the item being verified.

The garden census was performed by examining aerial photographs taken July 27, 2002. The photographic image areas which appeared to correspond to likely garden locations were converted to street addresses. The identified locations and residences were visited and the occupants interviewed to determine if a vegetable garden was present. Two (2) previously identified gardens (> 500 sq ft), growing leafy vegetables within the study area, were deleted from the LUC.

The closest residence was established in each sector by correspondence with cognizant authorities (City of San Clemente Planning Department and USMC Camp Pendleton). The meat and milk animal survey was performed by contacting the natural resources office on Camp Pendleton. Information on other uses was obtained by contacting the appropriate organizations.

DEFINITIONS Residence is defined as any structure (single-family house, apartment, mobile home, barracks or similar unit) occupied by individual(s) for three months (2,000 hours0 days 0 hours 0 weeks 0 months ) or longer per year.

Other Specified Use is defined as a location occupied by members of the general population as other than their primary residence. The use is divided into two categories: employment and non-employment related.

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Employment use is defined as a location occupied by members of the general population engaged in normal work activities regardless of the length of time spent at the location, and regardless of its permanence, including concession stands, restaurants, markets and guard shacks.

Non-employment-related use is defined as a location occupied by members of the general population who are not engaged in normal work activities, including campgrounds, temporary housing, time-share condominiums, motels, hotels, schools and beaches.

Milk animals include, but are not limited to cows, goats and sheep, whose milk is used in dairy products for human consumption.

Meat animals include, but are not limited to deer, other game animals, cattle, goats and sheep, whose meat is used for human consumption.

Leafy vegetables include, but are not limited to lettuce, cabbage, collard greens, Bok choi, sorrel, and spinach.

Fleshy vegetables include, but are not limited to tomatoes, cucumbers, cauliflower, squash, beans, zucchini, and sweet corn.

SUMMARY

OF CHANGES FROM THE 2001 CENSUS

1. Hunting. Updated hunting take information has been included in Table 6.

2. The population of the City of San Clemente increased to 54,900 as of Jaunary 1, 2002.

3. Outage residents - (see R-R2, R-A2) Outage residents occupied the onsite full hookup camping facility (Camp Mesa) from March 7, 2002 to July 20, 2002 and September 25, 2002 through the remainder of 2002. Dependents and children are permitted in this facility. It is 0.4 miles from Units 2/3 in Sector R. Estimate maximum occupancy at 3240 hours0.0375 days 0.9 hours 0.00536 weeks 0.00123 months for March through July and an estimated 2352 hours0.0272 days 0.653 hours 0.00389 weeks 8.94936e-4 months for September through December for 2002.

4. Residence R-QI 51 Area Beach residence has been deleted. Enlisted maintenance personnel no longer reside at this location.

5. Three additional residences in sectors P & Q, adults only, no children, infants or teenagers.

R-P3 SORB Host, Space 54 1.0 miles Sector P R-P4 SORB Host, Space 00 1.5 miles Sector P R-Q4 SORB Host, Space 73 1.1 miles Sector Q

6. The sheep lease is still in force, but no sheep are currently grazing on Camp Pendleton.

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TABLE F-1 Page 1 of 2 2002 SONGS Units 2/3 LUC Five Mile Radius Summary Sheet Nearest Residence (2,000 Hours/Year) Closest Other Specified Uses Nearest Meat Animals Maximum Land Use Reported Sector (22 %°) Person Location Location Exposure Location (Miles) Description (LUC #) (Miles) Description (LUC #) (Hours/Year) (Miles) Description West Northwest (P)

1.0 SORB Host (R-P3) 05 Surf Beach (0-6) 667 NONE Northwest (Q)

1.1 SORB Host (R-Q4) 0.6 State Park Office Trailer 400 -- NONE I(0-3)

North Northwest (R) 0.4 Camp Mesa (R-R2) 2.6 San Clemente Ranch Packing 3,500 1.8 Hunting (Dove)

(0-7)

North (A) 0.4 Camp Mesa (R-A2) 3.6 Camp San Mateo Motor Pool 2,000 1.8 Hunting (Dove)

(0-8)

North Northeast (B) -- 2.1 Sanitary Landfill (0-9) 2,000 1.6 Hunting (Dove)

Northeast (C) 2.5 Camp San Onofre Fire 2.2 Camp San Onofre Sewage Treatment 2,000 --

Station (R-C2) Plant (0-10)

East Northeast (D) 3.0 Camp San Onofre (R-DI) 3.7 Camp Homo Sewage Treatment Plant (0- 2,000 --

Barracks 4)

East (E) 4.1 Camp Homo (R-EI) 4.0 Camp Homo Motor Pool (0-5) 2,000 1.0 Hunting (Deer)

Barracks East Southeast (F) -- 0.8 San Onofre State Beach Entr. Guard 1,500 1.5 Hunting (Deer)

Shack (0-1) .

Southeast (G) -- 0.9 San Onofre Beach Campground 720 -- NONE (0-2) -

Notes: All distances are in miles from SONGS 2/3 site reference point (midpoint between SONGS Units 2 & 3 containment buildings). All sectors include 22-1/2° with "A" sector centered on True North. Sectors H, J, K, L, M, and N are oceanward sectors and land uses are not applicable. A "residence" is a location occupied by an individual 2,000 hours0 days 0 hours 0 weeks 0 months or more in a year.

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TABLE F-1 Page 2 of 2 2002 SONGS Units 2/3 LUC Five Mile Radius Summary Sheet Nearest Leafy Vegetable Garden Nearest Fleshy Vegetable Garden Sector (22-1I2o) Location (Miles) Description (LUC#) Location (Miles) Description (LUC#)

West Northwest (P) 2.8 Old Nixon Estate (G-3) 2.8 Old Nixon Estate (G-3)

Northwest (Q) 4.1 Residence 2240 Avenida San Salvador (G-8) 2.2 San Clemente Ranch (G-2)

North Northwest (R) 0.4 SONGS Garden (G- 10) 0.4 SONGS Garden (G- 10)

North (A) --

North Northeast (B)

Northeast (C)

East Northeast (D)

East (E)

East Southeast (F)

Sotheast (G)-

Note: All distances are in miles from SONGS 2/3 site reference point (midpoint between SONGS Units 2 & 3 containment buildings). All sectors include 22-1/2° with "A" sector centered on True North. Sectors H, J, K, L, M, and N are oceanward sectors and land uses are not applicable. A "residence" is a location occupied by an individual 2,000 hours0 days 0 hours 0 weeks 0 months or more in a year.

98

TABLE F-2 Page l of2 2002 SONGS Unit 1 Land Use Census Summary Sheet (Five-Mile Radius)

Nearest Meat and Milk Nearest Residence (2,000 Closest Other Specified Uses Animals Land Use Hours/Year) (Specify Meat or Milk Sector (22 I2) P oducing)

Maximum Location Description Location Description Reported Location Description (Miles) (LUC #) (Miles) (LUC #) Person (Miles)

Exposure (Hours/Year)

West Northwest (P)(e) 0.8 SORB Host (R-P3) 0.4 Surf Beach (0-6) 667 NONE Northwest (Q) (e) 1.0 SORB Host (R-Q4) 0.5 State Park Office Trailer (0-3) 400 NONE North Northwest (R) 1.2 San Onofre Mobile 2.4 San Clemente Ranch Packing (0-7) 3,500 1.6 Hunting (DOVE)

Homes (R-R1)

North (A) . 3.5 Camp San Mateo Motor Pool (0-8) 2,000 1.7 Hunting (DOVE)

North Northeast (B) _0.3 Camp Mesa (R-R2) 2.1 Sanitary Landfill (0-9) 2,000 1.6 Hunting (DOVE)

Northeast (C) 2.6 Camp San Onofre Fire 2.3 Camp San Onofre Sewage Treatment 2,000 1.1 Hunting (DEER)

Station (R-C2) Plant ((0-10)

East Northeast (D) 3.0 Camp San Onofre 3.8 Camp Homo Sewage Treatment Plant 2,000 1.0 Hunting (DEER)

Barracks (R-D1) (0-4) _

East (E) 4.2 Camp Homo (R-E1) 4.2 Camp Homo Motor Pool (0-5) 2,000 1.0 Hunting (DEER)

East Southeast (F) 1.0 San Onofre State Beach Entr. (Guard 1,500 1.7 Hunting (DEER)

Shack) (0-1)

Southeast (G) 1.1 San Onofre Beach Campground (0-2) 720 -- NONE Notes: All distances are in miles from the midpoint of SONGS Unit 1 Plant Vent Stack.

All sectors include 22-1/2° with "A" sector centered on True North.

A "residence" is a location occupied by an individual 2,000 hours0 days 0 hours 0 weeks 0 months or more in a year.

Sectors H, J, K, L, M, and N are oceanward sectors and land uses are not applicable.

99

TABLE F-2 Page 2 of 2 2002 SONGS Unit 1 Land Use Census Summary Sheet (Five-Mile Radius)

Nearest Leafy Vegetable Garden Nearest Fleshy Vegetable Garden Land Use Sector (22-1/2°) Location (Miles) Description (LUC#) Location (Miles) Description (LUC#)

West Northwest (P) 2.6 Old Nixon Estate (G-3) 2.6 Old Nixon Estate (G-3)

Northwest (Q) 3.9 2240 Avenida San Salvador (G-8) 2.0 San Clemente Ranch (G-2)

North Northwest (R) 2.1** San Clemente Ranch (G-I)

North (A)_

North Northeast (B) 0.3 SONGS Garden (G- 10) 0.3 SONGS Garden (G- 10)

Northeast (C)

East Northeast (D)

East (E)

East Southeast (F)

Sotheast (G)

Notes: All distances are in miles from SONGS Unit 1 Plant Vent Stack.

All sectors include 22-1/2° with "A" sector centered on True North.

A "residence is a location occupied by an individual2,000 hours0 days 0 hours 0 weeks 0 months or more in a year.

100

APPENDIX G FIGURES FOR 2002 101

MARINE I AQUATIC TERRESTRIAL

--- I .

ECOSYSTEM - Il ECOSYSTEM ECOSYSTEM -

ESTUARINE 102 ECOSYSTEM Figure 1. Potential Radiation Exposure Pathways Leading to Man

Direct Radiation Monitoring Quarterly Environmental TLD dose measurements in mR Selected TLDs located very close to SONGS vs. Selected CONTROL TLDs 50 40 30 E

20 10 0 0 - N

-N M a Ifl to c O) C N I U) (0 P co (0 a

eo oo c0 o co co (0 co 0 CD 0C 0) 0) 0 00 0 0 0 o ~ C2 C~

d dC dC! d C'

d!

C' dCu dC d

'uC d d d Cu dC d Cu dC dC! d

Cu Cu

" N NO eCu NO C Mto

'Cu w w c (U C co c M M oM w 10 "U

- TLD 11 .... 0.4 miles NW -* CONTROL TLD 44 .... 17.7 miles E

- TLD 12 .... 0.2 miles E - TLD 58 .... 0.1 miles S

* - Mean of CONTROL TLDs 31 & 50 - TLD 59 .... 0.3 miles WNW Figure 2A 103

Direct Radiation Monitoring Quarterly Environmental TLD dose measurements in mR Selected Outer Ring locations vs. Selected CONTROL locations 50 40 I'

30 E

20 10 to C,0 Cto S N to 'V gn to I- co a

to InI. to w t t $

co 0 -- N co I co co to co co o o d d d A d d d d Ca N N N d d d d d d d d

L L L L U U U to M U U * -C

-LU LU LU3 L M M L U

- TLD3 .... 2.6 miles NE - TLD 19 .... 5.0 miles NNW

- TLD 4 .... 4.5 miles E ** Mean of CONTROL TLDs 31 & 50

-e*a CONTROL TLD 14 .... 31.1 miles NW

w- CONTROL TLD 54 .... 31.8 miles ESE Figure 2B 104

Monthly Average Airborne Particulate Gross Beta Activity 0.5 Preoperational and Operational Data for SONGS Units 2 and 3 fallout from Communist Chinese 0.4 Atmospheric Nuclear Weapons Test Sept. 1977 fallout from Communist Chinese 0.3 Atmospheric Nuclear Weapons Test March 1978 S

a.

fallout from Communist Chinese 0.2 Atmospheric Nuclear Weapons Test Oct. 1980 0.1 0

N c a N. Ue1 ID co co co 0* c C C C C C C C c C co MU MU MU (U (a co (U

-I

- San Clemente City Hall .... 5.1 Miles NW - State Beach Park .... 0.6 Miles ESE

*

Huntington Beach (CONTROL) .... 31.1 Miles NW - Bluff .... 0.7 Miles WNW Figure 3A 105

Monthly Average Airborne Particulates Gross Beta Activity Preoperational and Operational Data for SONGS Units 2 and 3 from January 1990 to December 2002 0.1 0.09 0.08 0.07 0.06 S.

.u 0.05

?I 0.04 0.03 0.02 0.01 0 a-C" (n 0 c (U N CD IN C2 C R1 C 04

--1 - (U (U (U

- Oceanside (CONTROL) - Huntington Beach (CONTROL)

... City of San Clemente (City Hall) - Marine Corp Base (Camp Pendleton East)

Figure 3B 106

"Weekly Airborne Particulate Gross Beta Activity SONGS Units 1, 2 and 3 From January 2002 to December 2002" 0.1 0.09 0.08 0.07 9.

I 0.06 msI 0.05 0.04 I:

0 0.03 S 0

0.02 0.01 a o e o o a a a a a eb C* T-~ - %- v. %. N. vN N 4 N N N N N4 N N N N4 o 28q242 000 L %0 0 00 0 229 24 00 0 0a0 0 0 12 .2 .2 -2 0 C 0 0C 0

~

C C -,0 - .= - r z

.C S 4M ,r -2

501 a< C 0 I -

=-6

) 0 z 8

it ge e a Marine Corp Base (Camp Pendleton East) mm ~Mesa Medical Facility Oceanside City Hail (CONTROL)

Figure 3C 107

1-131 in Aquatic Kelp 0.4 -

0.35 0.3 0.25 NOTE: CONTROL location samples are obtained from either Laguna Beach or Salt Creek 1 0,

U 0.2 0.

0.15 L

0.1 0.05 0

W to W W c X e) M C I n M 0 o8 N N t 81- 8r' - t- 8 w ow I w w z0 - 0 0 -c

- San Onofre Kelp Bed * *

Barn Kelp Bed

- San Mateo Kelp Bed -* CONTROL Figure 4 108

APPENDIX H ERRATA TO THE 2001 AREOR The following errors were detected in the 2001 AREOR:

Page 27 Fleshy and leafy local crops were collected from the SONGS garden and from the Oceanside CONTROL location. No samples were taken from the San Clemente Ranch; no samples were taken from residents in San Clemente.

109

APPENDIX I REMP TLDs CO-LOCATED WITH NRC TLDs During 2002 Requirements in the standard Technical Specifications adopted under the Technical Specifications Improvement Program include reporting results of those thermoluminescent dosimeters (TLDs) that are co-located with NRC dosimeters. The NRC no longer deploys TLDs in the environs of SONGS. Some SCE TLDs are located adjacent to the former NRC TLD locations and these SCE TLDs are listed below.

The DHS also maintains a TLD program in the environs of SONGS. The DHS direct radiation monitoring program uses Radiation Detection Corporation (RDC) TLDs.

The below listed quarterly TLD data is from the SCE TLD program. NRC & RDC data are not listed. The NRC location numbers refer to the locations in the previous program, terminated before 2002.

2002 Data from SCE TLDs 1st 2nd 3rd 4th Location Number Location Name Qtr Qtr Qtr Qtr SCE-1 ,NRC-7,RDC-55 San Clemente 18.23 18.14 17.33 15.3 SCE -2, NRC -23, RDC -61 Camp San Mateo 21.1 19.49 18.99 15.96 SCE -3, NRC -19, RDC -62 Camp San Onofre 18.54 17.48 16.64 15.29 SCE-6, RDC-63 Old Route 101 11.62 13.14 10.97 9.42 (East-Southeast)

SCE 10, NRC -12, RDC -59 San Onofre Surfing Beach 16.59 18.03 16.33 14.82 SCE 16, RDC 60

ESE Site boundary 17.14 18.25 17.91 13.61 SCE 22, NRC 11, RDC 57 Coast Guard Station 18.89 18.19 18.93 16.83 SCE -34, NRC -14, RDC 58 San Onofre Elementary 17.13 18.64 15.56 14.79 School SCE 41, NRC 25, Old Route 101 (Unit 3) 15.24 17.41 15.13 13.32 RDC 64**

SCE 50, NRC 32, RDC 66 Oceanside Fire Station 16.77 17.53 15.87 14.48

SCE 16 is approximately 15 meters from RDC 60. RDC 60 is across Basilone Rd.

- SCE 41 is approximately 120 meters from RDC 64. Results included per DHS request.

110

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