Text

Braidwood Station, Units 1 & 2 Annual Radiological Environmental Operating Report for 2006
	ML071420255
Person / Time
Site:	Braidwood
Issue date:	05/31/2007
From:	; Teledyne Brown Engineering Environmental Services
To:	; Exelon Nuclear, Office of Nuclear Reactor Regulation
References
	FOIA/PA-2010-0209
	Download: ML071420255 (239)
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V., Docket No: 50-456 50-457 BRAIDWOOD STATION UNITS 1 and 2 Annual Radiological Environmental Operating Report 1 January Through 31 December 2006 Prepared By Teledyne Brown Engineering Environmental Services Nuclear Braidwood Station Braceville, IL 60407 May 2007 Table Of Contents I. Sum m ary and Conclusions

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1 II. In tro d u c tio n ........................................................................................................................

2 A. O bjectives of the REM P ....................................................................................

2 B. Im plem entation of the O bjectives

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2 I1l. Program Description

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2 A. Sam ple Collection

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2 B. Sam ple Analysis ................................................................................................

4 C. Data Interpretation

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5 D. Program Exceptions

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6 E. Program Changes ...........................................................................................

8 IV. Results and Discussion

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9 A. Aquatic Environm ent .........................................................................................

9 1. Surface W ater .........................................................................................

9 2. Public W ater ...........................................................................................

9 3. G round/well W ater ...............................................................................

10 4. Fish .......................................................................................................

10 5. Sedim ent ..............................................................................................

11 B. Atm ospheric Environm ent ...............................................................................

11 1. Airborne ................................................................................................

11 a. Air Particulates

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11 b. Airborne Iodine ..........................................................................

12 2. Terrestrial

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12 a. M ilk ...........................................................................................

12 b. Food Products ..........................................................................

13 C. Am bient Gam m a Radiation

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13 D. Land Use Survey ...........................................................................................

13 E. Summary of Results -Inter-laboratory Comparison Program ........................

14 Appendices Appendix A Tables Table A-1 Appendix B Tables Table B-i: Table B-2: Radiological Environmental Monitoring Report Summary Radiological Environmental Monitoring Program Summary for the Braidwood Station, 2006 Location Designation, Distance & Direction, and Sample Collection

&Analytical Methods Radiological Environmental Monitoring Program -Sampling Locations, Distance and Direction, Braidwood Station, 2006 Radiological Environmental Monitoring Program -Summary of Sample Collection and Analytical Methods, Braidwood Station, 2006 Fegures Figure B-i: Figure B-2: Figure B-3: Appendix C Tables Table C-1.1 Table C-1.2 Table C-1.3 Table C-11.1 Table C-I1.2 Inner Ring TLD Locations of the Braidwood Station, 2006 Fixed Air Sampling and Outer Ring TLD Locations of the Braidwood Station, 2006 Ingestion and Waterborne Exposure Pathway Sample Locations of the Braidwood Station, 2006 Data Tables and Figures -Primary Laboratory Concentrations of Gross Beta in Surface Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Tritium in Surface Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Surface Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gross Beta in Public Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Tritium in Public Water Samples Collected in the Vicinity of Braidwood Station, 2006.ii Table C-II.3 Table C-II1.1 Table C-111.2 Table C-IV.1 Table C-V.1 Table C-VI.1 Tabie C-VI.2 Table C-VI.3 Table C-VII. 1 Table C-VIII.1 Table C-VIII.2 Table C-IX.1 Table C-X.1 Table C-X.2 Table C-X.3 Table C-XI.1 Figures Figure C-1 Figure C-2 Concentrations of Gamma Emitters in Public Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Tritium in Ground/well Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Ground/well Water Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Fish Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Sediment Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gross Beta in Air Particulate Samples Collected in the Vicinity of Braidwood Station, 2006.Monthly and Yearly Mean Values of Gross Beta Concentrations (E-3 pCi/cu meter) in Air Particulate Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Air Particulate Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of 1-131 in Air Iodine Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of 1-131 in Milk Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Milk Samples Collected in the Vicinity of Braidwood Station, 2006.Concentrations of Gamma Emitters in Vegetation Samples Collected in the Vicinity of Braidwood Station, 2006.Quarterly TLD Results for Braidwood Station, 2006.Mean Quarterly TLD Results for the Site Boundary, Middle and Control Locations for Braidwood Station, 2006.Summary of the Ambient Dosimetry Program for Braidwood Station, 2006.Summary of Collection Dates for Samples Collected in the Vicinity of Braidwood Station, 2006.Surface Water -Gross Beta -Stations BD-1 0 and BD-25 (C) Collected in the Vicinity of Braidwood Station, 2000 -2006.Surface Water -Tritium -Stations BD-10 and BD-25 (C) Collected in the Vicinity of Braidwood Station, 2000 -2006.iii Figure C-3 Figure C-4 Figure C-5 Figure C-6 Figure C-7 Figure C-8 Figure C-9 Figure C-10 Figure C-11 Figure C-12 Appendix D Tables Table D-1 Table D-2 Table D-3 Table D-4 Table D-5 Appendix E Appendix F Public Water -Gross Beta -Station BD-22 Collected in the Vicinity of Braidwood Station, 2000 -2006.Public Water -Tritium -Station BD-22 Collected in the Vicinity of Braidwood Station, 2000 -2006.Well Water -Tritium -Stations BD-1 3 and BD-34 Collected in the Vicinity of Braidwood Station, 2000 -2006.Well Water -Tritium -Stations BD-35 and BD-36 Collected in the Vicinity of Braidwood Station, 2000 -2006.Well Water -Tritium -Station BD-37 Collected in the Vicinity of Braidwood Station, 2000 -2006.Air Particulate

-Gross Beta -Stations BD-03 (C) and BD-06 Collected in the Vicinity of Braidwood Station, 2000 -2006.Air Particulate

-Gross Beta -Stations BD-19 and BD-20 Collected in the Vicinity of Braidwood Station, 2000 -2006.Air Particulate

-Gross Beta -Station BD-21 Collected in the Vicinity of Braidwood Station, 2000 -2006.Air Particulate

-Gross Beta -Station BD-02 and BD-04 Collected in the Vicinity of Braidwood Station, 2006.Air Particulate

-Gross Beta -Station BD-05 Collected in the Vicinity of Braidwood Station, 2006.Inter-Laboratory Comparison Program Analytics Environmental Radioactivity Cross Check Program Teledyne Brown Engineering, 2006 ERA Environmental Radioactivity Cross Check Program Teledyne Brown Engineering, 2006 DOE's Mixed Analyte Performance Evaluation Program (MAPEP)Teledyne Brown Engineering, 2006 ERA Statistical Summary Proficiency Testing Program for Environmental, Inc., 2006 DOE's Mixed Analyte Performance Evaluation Program (MAPEP)Environmental, Inc., 2006 Effluent Report Meteorological Data iv Appendix G Annual Radiological Groundwater Protection Program Report (ARGPPR)

I. Summary and Conclusions This report on the Radiological Environmental Monitoring Program conducted for the Braidwood Station by Exelon covers the period 1 January 2006 through 31 December 2006. During that time period, 1,411 analyses were performed on 1004 samples. In assessing all the data gathered for this report and comparing these results with preoperational data, it was concluded that the operation of Braidwood Station had no adverse radiological impact on the environment.

Surface, public and ground/well water samples were analyzed for concentrations of tritium and gamma emitting nuclides.

Surface water and public water samples were also analyzed for concentrations of gross beta. No fission or activation products were detected.

Gross beta and tritium activities detected were consistent with those detected in previous years.Fish (commercially and/or recreationally important species) and sediment samples were analyzed for concentrations of gamma emitting nuclides.

No fission or activation products were detected in fish. Sediment samples had Cesium-137 concentrations consistent with levels observed during the preoperational years. No Plant produced fission or activation products were found in sediment.Air particulate samples were analyzed for concentrations of gross beta and gamma emitting nuclides.

No fission or activation products were detected.High sensitivity 1-131 analyses were performed on weekly air samples. All results were less than the minimum detectable activity.Cow milk samples were analyzed for concentrations of 1-131 and gamma emitting nuclides.

All 1-131 results were below the minimum detectable activity.Concentrations of naturally occurring K-40 were detected.

No fission or activation products were found.Food Product samples were analyzed for concentrations of gamma emitting nuclides.

No fission or activation products were detected.Environmental gamma radiation measurements were performed quarterly using thermoluminescent dosimeters.

Levels detected were consistent with those observed in previous years.1 Intentionally left blank 1 II. Introduction The Braidwood Station, consisting of two 3587 MWt pressurized water reactors owned and operated by Exelon Corporation, is located in Will County, Illinois.Unit No. 1 went critical on 29 May 1987. Unit No. 2 went critical on 08 March 1988. The site is located in northeastern Illinois, 15 miles south-southwest of Joliet, Illinois and 60 miles southwest of Chicago and southwest of the Kankakee River.This report covers those analyses performed by Teledyne Brown Engineering (TBE), Global Dosimetry, and Environmental Inc. (Midwest Labs) on samples collected during the period 1 January 2006 through 31 December 2006.A. Objective of the REMP The objectives of the REMP are to: 1. Provide data on measurable levels of radiation and radioactive materials in the site environs.2. Evaluate the relationship between quantities of radioactive material released from the plant and resultant radiation doses to individuals from principal pathways of exposure.B. Implementation of the Objectives The implementation of the objectives is accomplished by: 1. Identifying significant exposure pathways.2. Establishing baseline radiological data of media within those pathways.3. Continuously monitoring those media before and during Station operation to assess Station radiological effects (if any) on man and the environment.

Ill. Program Description A. Sample Collection Samples for the Braidwood Station REMP were collected for Exelon Nuclear by Environmental Inc. (Midwest Labs). This section describes the general collection methods used by Environmental Inc. (Midwest Labs) to obtain environmental samples for the Braidwood Station REMP in 2006.Sample locations and descriptions can be found in Table B-1 and Figures B-1 through B-3, Appendix B. The collection procedures used by Environmental Inc. are listed in Table B-2.Aquatir Environment The aquatic environment was evaluated by performing radiological analyses on samples of surface water, public water, well water, fish, and sediment.

Two gallon water samples were collected weekly from four surface water locations (BD-10, BD-25[control], BD-38, and BD-40) and one weekly composite sample of public drinking water location (BD-22)and ground/well water samples collected quarterly from five locations (BD-13, BD-34, BD-35, BD-36 and BD-37). All samples were collected in new unused plastic bottles, which were rinsed with source water prior to collection.

Fish samples comprising the flesh of largemouth bass, smallmouth bass, golden redhorse, channel catfish, and carp were collected semiannually at three locations, BD-25 (control), BD-28, and BD-41. Sediment samples composed of recently deposited substrate were collected at one location semiannually, BD-1 0.Atmospheric Environment The atmospheric environment was evaluated by performing radiological analyses on samples of air particulate, airborne iodine, and milk. Air particulate samples were collected and analyzed weekly at eight locations (BD-02, BD-03, BD-04, BD-05, BD-06, BD-19, BD-20, and BD-21). The control location was BD-03. Airborne iodine and particulate samples were obtained at each location, using a vacuum pump with charcoal and glass fiber filters attached.

The pumps were run continuously and sampled air at the rate of approximately one cubic foot per minute. The air filters and air iodine samples were replaced weekly and sent to the laboratory for analysis.Milk samples were collected biweekly at two locations (BD-17 and BD-18)from May through October, and monthly from November through April.The control location was BD-1 8. All samples were collected in new unused two gallon plastic bottles from the bulk tank at each location, preserved with sodium bisulfite, and shipped promptly to the laboratory.

Food products were collected annually in September at five locations (BD-C, BD-Quad 1, BD-Quad 2, BD-Quad 3, and BD-Quad 4). The control location was BD-C. Various types of samples were collected and placed in new unused plastic bags, and sent to the laboratory for analysis.

Ambient Gamma Radiation Direct radiation measurements were made using CaF 2 thermoluminescent dosimeters (TLD). Each location consisted of 2 TLD sets. The TLD locations were placed on and around the Braidwood Station site as follows: An inaneung consisting of 16 locations (BD-101, BD-102, BD-103, BD-104, BD-105, BD-106, BD-1 07, BD-108, BD-109, BD-110, BD-111a, BD-112, BD-113a, BD-114, BD-115 and BD-116) near and within the site perimeter representing fence post doses (i.e., at locations where the doses will be potentially greater than maximum annual off-site doses)from Braidwood Station release.An outeruing consisting of 16 locations (BD-201, BD-202, BD-203, BD-204, BD-205, BD-206, BD-207, BD-208, BD-209, BD-210, BD-211, BD-212, BD-213, BD-214, BD-215, BD-216) extending to approximately 5 miles from the site designed to measure possible exposures to close-in population.

An other set consisting of seven locations (BD-02, BD-04, BD-05, BD-06, BD-19, BD-20 and BD-21.The balance of one location (BD-03) representing the control area.The specific TLD locations were determined by the following criteria: 1. The presence of relatively dense population;

2. Site meteorological data taking into account distance and elevation for each of the sixteen-22 1/2 degree sectors around the site, where estimated annual dose from Braidwood Station, if any, would be most significant; Two TLDs -each comprised of two CaF 2 thermoluminescent phosphors enclosed in plastic -were placed at each location.

The TLDs were exchanged quarterly and sent to Global Dosimetry for analysis.B. Sample Analysis This section describes the general analytical methodologies used by TBE and Environmental Inc. (Midwest Labs) to analyze the environmental samples for radioactivity for the Braidwood Station REMP in 2006. The analytical procedures used by the laboratories are listed in Table B-2.

In order to achieve the stated objectives, the current program includes the following analyses: 1. Concentrations of beta emitters in drinking and surface water and air particulates.

2. Concentrations of gamma emitters in drinking, ground/well and surface water, air particulates, milk, fish, sediment and food products.3. Concentrations of tritium in drinking, ground/well and surface water.4. Concentrations of 1-131 in air and milk.5. Ambient gamma radiation levels at various site environs.C. Data Interpretation The radiological and direct radiation data collected prior to Braidwood Station becoming operational were used as a baseline with which these operational data were compared.

For the purpose of this report, Braidwood Station was considered operational at initial criticality.

In addition, data were compared to previous years' operational data for consistency and trending.

Several factors were important in the interpretation of the data: 1. Lower Limit of Detection and Minimum Detectable Concentration The lower limit of detection (LLD) was defined as the smallest concentration of radioactive material in a sample that would yield a net count (above background) that would be detected with only a 5% probability of falsely concluding that a blank observation represents a "real" signal. The LLD was intended as a before the fact estimate of a system (including instrumentation, procedure and sample type) and not as an after the fact criteria for the presence of activity.

All analyses were designed to achieve the required Braidwood Station detection capabilities for environmental sample analysis.The minimum detectable concentration (MDC) is defined above with the exception that the measurement is an after the fact estimate of the presence of activity.

2. Net Activity Calculation and Reporting of Results Net activity for a sample was calculated by subtracting background activity from the sample activity.

Since the REMP measures extremely small changes in radioactivity in the environment, background variations may result in sample activity being lower than the background activity effecting a negative number. An MDC was reported in all cases where positive activity was not detected.Gamma spectroscopy results for each type of sample were grouped as follows: For surface and public water 12 nuclides, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Zr-95, Nb-95, 1-131, Cs-134, Cs-137, Ba-140, and La-140 were reported.For ground/well water 11 nuclides, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Zr-95, Nb-95, Cs-134, Cs-137, Ba-140, and La-140 were reported.For fish nine nuclides, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Nb/Zr-95, Cs-134, Cs-137 and Ba/La-140 were reported.For sediment nine nuclides, Mn-54, Co-58, Fe-59, Co-60, Zn-95, Nb/Zr-95, Cs-134, Cs-137 and Ba/La-140 were reported.For air particulate nine, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Nb/Zr-95, Cs-134, Cs-137 and Ba/La-140 were reported.For milk 10 nuclides, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Nb/Zr-95, Cs-134, Cs-137, Ba-140 and La-140 were reported.For vegetation nine nuclides, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Nb/Zr-95, Cs-1 34, Cs-1 37 and Ba/La-140 were reported.Means and standard deviations of the results were calculated.

The standard deviations represent the variability of measured results for different samples rather than single analysis uncertainty.

D. Program Exceptions For 2006 the Braidwood Station REMP had a sample recovery rate in excess of 99%. Sample anomalies and missed samples are listed in the tables below:

Table D-1 LISTING OF SAMPLE ANOMALIES Sample Location Collection Reason Type Code Date A/I BD-02 03/23/06 No apparent reason for low reading of 163.7 hours8.101852e-5 days 0.00194 hours 1.157407e-5 weeks 2.6635e-6 months .A BD-20 03/23/06 No apparent reason for low timer reading of 151.4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months .DW BD-22 03/30/06 BaLa-140 LLD missed due to delay in compositing samples.DW BD-22 06/01/06 BaLa-140 LLD missed due to delay in compositing samples.M BD-17 06/15/06 1-131 LLD missed due to problem with the filter paper used in the analysis.M BD-17 06/29/06 1-131 LLD missed due to problem with the filter paper used in the analysis.M BD-18 06/30/06 1-131 LLD missed due to problem with the filter paper used in the analysis.A/I BD-02 08/10/06 No apparent reason for low timer reading of 166.1 hours1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months .A/I BD-04 12/07/06 No apparent reason for low timer reading of 159.6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months ; may be due to snow storm in area.A/I BD-04 12/14/06 No apparent reason for low timer reading of 130.9 hours1.041667e-4 days 0.0025 hours 1.488095e-5 weeks 3.4245e-6 months .

Table D-2 LISTING OF MISSED SAMPLES Sample Location Collection Reason Type Code Date SW BD-13 04/13/06 No sample; no access.TLD Other 06/29/06 TLD BD-106-2 found missing during 2nd quarter exchange.

Collector placed new 3 rd quarter TLD.SW BD-55, BD-56 10/12/06 No samples were collected.

GW BD-50, BD-51 10/12/06 No samples were collected.

BD-52, BD-53 BD-54 S BD-57 10/12/06 No samples were collected.

Each program exception was reviewed to understand the causes of the program exception.

Sampling and maintenance errors were reviewed with the personnel involved to prevent recurrence.

Occasional equipment breakdowns and power outages were unavoidable.

The overall sample recovery rate indicates that the appropriate procedures and equipment are in place to assure reliable program implementation.

E. Program Changes Surface water stations BD-38 and BD-40 were added to the Radiological Environmental Monitoring Program on 03/09/06 and 07/20/06, respectively.

Surface water stations BD-55 and BD-56 were added to the Radiological Environmental Monitoring Program in 2006.Groundwater stations BD-50, BD-51, BD-52, BD-53 and BD-54 were added to the Radiological Environmental Monitoring Program in 2006.Fish station BD-41 was added to the Radiological Environmental Monitoring Program on 10/03/06.Sediment station BD-57 was added to the Radiological Environmental Monitoring Program in 2006.The air iodine samples were replaced biweekly and sent to the lab for analysis.

All eight locations were analyzed biweekly (BD-02, BD-03, BD-04, BD-05, BD-06, BD-19, BD-20, and BD-21) until April 06, 2006. For the rest of the year all eight locations (BD-02, BD-03, BD-04, BD-05, BD-06, BD-19, BD-20, and BD-21) were analyzed weekly.IV. Results and Discussion A. Aquatic Environment 1 .Surface Water Samples were taken weekly and composited monthly at four locations (BD-10, BD-25, BD-38 and BD-40). Of these locations only BD-10 located downstream, could be affected by Braidwood Station's effluent releases.

The following analyses were performed.

Gross Bpta Samples from all locations were analyzed for concentrations of gross beta (Table C-1.1, Appendix C). The values ranged from 2.7 to 11 pCi/I. Concentrations detected were consistent with those detected in previous years (Figures C-1, Appendix C).Tritium Quarterly composites of weekly collections were analyzed for tritium activity (Table C-1.2, Appendix C). The values ranged from<139 to 398 pCi/I. Concentrations detected were consistent with those detected in previous years (Figures C-2, Appendix C).Gamma Spectrometry Samples from all locations were analyzed for gamma emitting nuclides (Table C-1.3, Appendix C). No nuclides were detected, and all required LLDs were met.2. Public Water Monthly composite of weekly samples were collected at one location (BD-22). This location could be affected by Braidwood Station's effluent releases.

The following analyses were performed:

Gros Bta Samples from the location were analyzed for concentrations of gross beta (Tables C-I1.1, Appendix C). The values ranged from<2.4 to 5.2 pCi/l. Concentrations detected were consistent with those detected in previous years (Figures C-3, Appendix C).Monthly composites of weekly samples from the location were analyzed for tritium activity (Table C-11.2, Appendix C). The values ranged from <158 to 210 pCi/I. Concentrations detected were consistent with those detected in previous years (Figures C-4, Appendix C).Gamma Spectrometry Samples from the location were analyzed for gamma emitting nuclides (Table C-I1.3, Appendix C). No nuclides were detected.The Ba-140 and La-140 LLDs were missed on the March and May composite samples. See the Program Exceptions section IIL.D for the explanation.

All other required LLDs were met.3. Ground/well Water Quarterly samples were collected at five locations (BD-1 3, BD-34, BD-35, BD-36 and BD-37). The following analyses were performed:

Tr~itim Quarterly grab samples from the locations were analyzed for tritium activity (Table C-I11.1, Appendix C). The values ranged from <153 to 396 pCi/I. Concentrations detected were consistent with those detected in previous years (Figures C-5 through C-7, Appendix C).Gamma Spectromety Samples from all locations were analyzed for gamma emitting nuclides (Table C-111.2, Appendix C). No nuclides were detected, and all required LLDs were met.4. Fish Fish samples comprised of largemouth bass, smallmouth

bass, golden redhorse, channel catfish, and carp were collected at three locations (BD-25, BD-28, and BD-41) semiannually.

Location BD-28 could be affected by Braidwood Station's effluent releases.The following analysis was performed:

Gamma Spectrometry The edible portion of fish samples from both locations was analyzed for gamma emitting nuclides (Table C-IV.1, Appendix C).No fission or activation products were found. No nuclides were detected, and all required LLDs were met.5. Sediment Aquatic sediment samples were collected at one location (BD-1 0)semiannually.

The location, located downstream, could be affected by Braidwood Station's effluent releases.

The following analysis was performed:

Gamma Spectrometry Sediment samples from the location were analyzed for gamma emitting nuclides (Table C-V.1, Appendix C).Concentrations of the fission product Cs-137 were found in one sediment sample with a concentration of 142 pCi/kg dry. The activity detected was consistent with those detected in previous years. No other Braidwood fission or activation products were found and all required LLDs were met.B. Atmospheric Environment 1 .Airborne a. Air Particulates Continuous air particulate samples were collected from eight locations on a weekly basis. The eight locations were separated into three groups: Near field samplers (BD-06, BD-19, BD-20 and BD-21), far field samplers within 10 km of the site (BD-02, BD-04 and BD-05) and the Control sampler between 10 and 30 km from the site (BD-03). Far field samples are analyzed when the respective near field sample results are inconsistent with previous measurements and radioactivity is confirmed as having its origin in airborne effluents from the station, or at the discretion of the REMP Program Owner. The following analyses were performed:

GrossBeta Weekly samples were analyzed for concentrations of beta emitters (Table C-VI.1 and C-VI.2, Appendix C).Detectable gross beta activity was observed at all locations.

Comparison of results among the three groups aid in determining the effects, if any, resulting from the operation of Braidwood Station. The results from the near field (Group I)ranged from <5 to 38 E-3 pCi/m 3 with a mean of 20 E-3 pCi/m 3.The results from the far field (Group II) ranged from<5 to 41 E-3 pCi/m 3 with a mean of 20 E-3 pCi/m 3.The results from the Control location (Group Ill) ranged from 5 to 34 E-3 pCi/m 3 with a mean of 18 E-3 pCi/m 3.Comparison of the 2006 air particulate data with previous years data indicate no effects from the operation of Braidwood Station.In addition a comparison of the weekly mean values for 2006 indicate no notable differences among the three groups (Figures C-8 through C-10, Appendix C).Gamma Spectrometry Weekly samples were composited quarterly and analyzed for gamma emitting nuclides (Table C-VI.3, Appendix C). No nuclides were detected, and all required LLDs were met.b. Airborne Iodine Continuous air samples were collected from eight locations (BD-02, BD-03, BD-04, BD-05, BD-06, BD19, BD-20, and BD-21) and analyzed weekly for 1-131 (Table C-VII.1, Appendix C). 1-131 was not detected and the required LLD was met.2. Terrestrial

a. Milk Samples were collected from two locations (BD-17 and BD-18) biweekly May through October and monthly November through April. The following analyses were performed:

Indfine-13 Milk samples from all locations were analyzed for concentrations of 1-131 (Table C-VIII.1, Appendix C). No 1-131 was detected.

The 1-131 LLD was missed on three samples. See the Program Exceptions section III.D for the explanation.

All other required LLDs were met.Gamma Spectrometry Each milk sample was analyzed for concentrations of gamma emitting nuclides (Table C-VIII.2, Appendix C). No nuclides were detected, and all required LLDs were met.b. Food Products Food product samples were collected at five locations (BD-Control, BD-Quad 1, BD-Quad 2, BD-Quad 3 and BD-Quad 4) when available.

Four locations, (located downstream, BD-Quad 1, BD-Quad 2, BD-Quad 3 and BD-Quad 4) could be affected by Braidwood Station's effluent releases.

The following analysis was performed:

Gamma Spectrometry Samples from all locations were analyzed for gamma emitting nuclides (Table C-IX.1, Appendix C). No nuclides were detected, and all required LLDs were met.C. Ambient Gamma Radiation Ambient gamma radiation levels were measured utilizing Panasonic 814 (CaF 2) thermoluminescent dosimeters.

Eighty TLD locations were established around the site. Results of TLD measurements are listed in Tables C-X.1 to C-X.3, Appendix C.Most TLD measurements were below 30 mR/quarter, with a range of 19 to 33 mR/quarter.

A comparison of the Inner Ring, Outer Ring and Other data to the Control Location data, indicate that the ambient gamma radiation levels from all locations were comparable.

D. Land Use Survey A Land Use Survey conducted during the August 2006 around the Braidwood Station was performed by Environmental Inc. (Midwest Labs) for Exelon Nuclear to comply with section 12.5.2 of the Braidwood Station's Offsite Dose Calculation Manual. The purpose of the survey was to document the nearest resident, milk producing animal and garden of greater than 500 ft2 in each of the sixteen 22 1/2 degree sectors around the site. There were no changes required to the Braidwood Station REMP, as a result of this survey. The results of this survey are summarized below.Distance in Miles from the Sector Residence Miles AN 0.5 B NNE 1.8 C NE 0.7 D ENE 0.8 E E 0.8 F ESE 2.2 GSE 2.7 H SSE 4.5 J S 4.2 K SSW 1.3 L SW 0.4 M WSW 0.5 N W 0.4 P WNW 0.4 Q NW 0.4 R NNW 0.4 Braidwood Station Livestock Miles 2.6 0.9 3.3 2.3 2.3 2.7 4.8 5.3 1.2 3.8 1.6 5.4 Reactor Buildings Milk Farm Miles 11.2 5.6 8.7 E. Summary of Results -Inter-Laboratory Comparison Program The primary and secondary laboratories analyzed Performance Evaluation (PE) samples of air particulate, air iodine, milk, soil, vegetation and water matrices (Appendix D). The PE samples, supplied by Analytics Inc., Environmental Resource Associates (ERA) and DOE's Mixed Analyte Performance Evaluation Program (MAPEP), were evaluated against the following pre-set acceptance criteria: 1. Analytics Evaluation Criteria Analytics' evaluation report provides a ratio of laboratory results and Analytics' known value. Since flag values are not assigned by Analytics, TBE-ES evaluates the reported ratios based on internal QC requirements, which are based on the DOE MAPEP criteria.

2. ERA Evaluation Criteria ERA's evaluation report provides an acceptance range for control and warning limits with associated flag values. ERA's acceptance limits are established per the USEPA, NELAC, state specific PT program requirements or ERA's SOP for the Generation of Performance Acceptance Limits, as applicable.

The acceptance limits are either determined by a regression equation specific to each analyte or a fixed percentage limit promulgated under the appropriate regulatory document.3. DOE Evaluation Criteria MAPEP's evaluation report provides an acceptance range with associated flag values.The MAPEP defines three levels of performance:

Acceptable (flag ="A"), Acceptable with Warning (flag = "W"), and Not Acceptable (flag = "N"). Performance is considered acceptable when a mean result for the specified analyte is +/- 20% of the reference value.Performance is acceptable with warning when a mean result falls in the range from +/-20% to +/-30% of the reference value (i.e., 20% <bias < 30%). If the bias is greater than 30%, the results are deemed not acceptable.

For the primary laboratory, 24 out of 28 analytes met the specified acceptance criteria.

Four samples did not meet the specified acceptance criteria for the following reasons: 1 .Teledyne Brown Engineering's MAPEP Series 15 January 2006 soil Cs-1 34 was evaluated as a false positive, although TBE considered the result a non-detect due to the peak not being identified by the gamma software.

MAPEP suggests the Bi-214 is not being differentiated from the Cs-1 34 peak. When the ratio of activity to uncertainty exceeds 3, TBE will use a key line analysis rather than a weighted mean analysis when evaluating MAPEP non-detects.

2. Teledyne Brown Engineering's MAPEP Series 15 January 2006 Sr-90 in vegetation result of 2.22 Bq/kg exceeded the upper acceptance range of 2.029 Bq/kg. The samples were analyzed in triplicate and the results averaged.

One high result of 2.43 Bq/kg biased the submitted results on the high side. TBE was unable to determine the cause for the higher result. The Sr-90 in vegetation results for MAPEP Series 14 and MAPEP Series 16 were acceptable.

No client samples were analyzed during the MAPEP Series 14 time period.3. Teledyne Brown Engineering's MAPEP Series 15 January 2006 Pu-238 and Pu-239/240 in vegetation result of 2.22 Bq/kg failed the required acceptance ranges. TBE was evaluating the current preparation method for vegetation samples, which proved insufficient for the analyses.

TBE does not perform isotopic Pu on client's vegetation samples.For the secondary laboratory, 20 out of 25 analytes met the specified acceptance criteria.

Seven samples did not meet the specified acceptance criteria for the following reasons: 1. Environmental Inc.'s ERA November 2006 water 1-131 result of 28.4 pCi/L exceeded the upper control limit of 27.3 pCi/L. The reported result was an average of three analyses, results ranged from 25.36 pCi/L to 29.23 pCi/L. A fourth analysis was performed, with a result of 24.89 pCi/L.2. Environmental Inc.'s MAPEP January 2006 vegetation Pu-238 result of 0.08 Bq/sample exceeded the lower control limit of 0.10 Bq/sample due to incomplete dissolution of the sample.3. Environmental Inc.'s MAPEP January 2006 air particulate Pu-238 result of 0.03 Bq/sample exceeded the lower control limit of 0.05 Bq/sample due to incomplete dissolution of the sample.4. Environmental Inc.'s MAPEP January 2006 soil Pu-238, Pu-239/240, U-233/234 and U-238 results of 14.6, 14.6, 13.5 and 15.4 Bq/kg, respectively, exceeded the lower control limits of 42.81, 32.09, 25.9 and 27.2 Bq/kg, respectively, due to incomplete dissolution of the sample.The Inter-Laboratory Comparison Program provides evidence of "in control" counting systems and methods, and that the laboratories are producing accurate and reliable data.

APPENDIX A RADIOLOGICAL ENVIRONMENTAL MONITORING REPORT QUARTERLY AND ANNUAL

SUMMARY

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

GR-B 6 6 H-3 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 NB-95 4 5.1 (3/3)(4.5/5.4)200 272 (4/5)(177/398)15 3 (0/3)(<2/<4)15 4 (0/3)(<3/<4)30 8 (0/3)(<6/<9)15 4 (0/3)(<3/<4)30 8 (0/3)(<5/< 10)15 4 (0/3)(<3/<4)5.9 (3/3)(5.6/6.4)189 (0/I)(<189)3 (0/3)(<2/<4)4 (0/3)(<3/<4)8 (0/3)(<6/<10)3 (0/3)(<2/<4)7 (0/3)(<6/<9)3 (0/3)(<3/<4)5.9 (3/3)(5.6/6.4)293 (4/4)(177/398)3 (0/3)(<2/<4)4 (0/3)(<3/<4)8 (0/3)(<6/< 10)4 (0/3)(<3/<4)8 (0/3)(<5/< 10)4 (0/3)(<3/<4)BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-38 INDICATOR MAIN DRAINAGE DITCH 1.5 MILES SW OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0 0 THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

ZR-95 1-131 CS-134 CS-137 BA-140 LA-140 30 6 (0/3)(<4/<8)15 14 (0/3)(<12/<15)15 4 (0/3)(<2/<4)18 3 (0/3)(<2/<4)60 26 (0/3)(<22/<28)15 9 (0/3)(<8/<10)4 3.5 (2/3)(<2.4/4.6) 200 179 (0/3)(<174/<189) 6 (0/3)(<5/<8)13 (0/3)(< 13/< 14)4 (0/3)(<31<4)3 (0/3)(<31<4)27 (0/3)(<24/<29)9 (0/3)(<8/< 10)N/A N/A 6 (0/3)(<5/<8)14 (0/3)(<12/<15)4 (0/3)(<2/<4)3 (0/3)(<2/<4)27 (0/3)(<24/<29)9 (0/3)(<8/<10)3.5 (2/3)(< 2.4/ 4.6)179 (0/3)(<174/<189)

BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE DRINKING WATER (PCI/LITER)

GR-B 3 3 H-3* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

GAMMA MN-54 3 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 15 3 (0/3)(<2/<5)15 4 (0/3)(<2/<5)30 9 (0/3)(<61< 10)15 4 (0/3)(<2/<5)30 8 (0/3)(<5/<13)15 4 (0/3)(<3/<6)30 7 (0/3)(<4/<10)15 12 (0/3)(<10/<15)N/A N/A N/A N/A N/A N/A N/A N/A 3 (0/3)(<2/<5)4 (0/3)(<2/<5)9 (0/3)(<6/<10)4 (0/3)(<2/<5)8 (0/3)(<5/<13)4 (0/3)(<3/<6)7 (0/3)(<4/< 10)12 (0/3)(<10/<15)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

CS-134 CS-137 BA-140 LA- 140 15 4 (0/3)(<2/<7)18 3 (0/3)(<21<6)60 60 (0/3)(<35/<105) 15 21 (0/3)(<10/<37)200 206 (1/5)(<153/396) 15 7 (0/5)(<6/<8)15 7 (0/5)(<6/<8)30 14 (0/5)(<11/<16)N/A N/A N/A N/A N/A N/A N/A N/A 4 (0/3)(<2/<7)3 (0/3)(<2/<6)60 (0/3)(<35/<105) 21 (0/3)(<10/<37)396 (1/I)(396)8 (0/I)(<8)8 (0/1)(<8)16 (0/1)(<16)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-36 INDICATOR HUTTON WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE 0 0 0 0 GROUND WATER (PCI/LITER)

H-3 5 GAMMA MN-54 CO-58 FE-59 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER) iA CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA-140 15 7 (0/5)(<6/<8)30 19 (0/5)(< 17/<22)15 8 (0/5)(<7/<9)30 12 (0/5)(<1 1/<14)15 11 (0/5)(<9/<14)15 10 (0/5)(<8/< 13)18 8 (0/5)(<6/<9)60 32 (0/5)(<28/<39)N/A N/A N/A N/A N/A N/A N/A N/A 8 (0/i)(<8)22 (0/I)(<22)9 (0/1)(<9)14 (0/1)(<14)14 (0/I)(<14)13 (0/1)(<13)9 (0/i)(<9)39 (0/I)(<39)BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

AIR PARTICULATE (E-3 PCI/CU.METER)

LA-140 GR-B GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 104 8 15 11 (0/5)(<9/<12)10 18 (91/91)(8/30)N/A 4.2 (0/7)(< 2.6/< 6.0)N/A 7.7 (0/7)(< 3.8/<10.5)

N/A 27.3 (0/7)(<18.5/<34.9)

N/A 4.3 (0/7)(< 3.0/< 5.3)N/A 11.7 (0/7)(< 6.6/<17.6)

N/A 8.6 (0/7)(< 7.1I/< 11.2)N/A 17 (13/13)(8/27)3.8 (0/1)(< 3.8)6.6 (0/1)(< 6.6)17.8 (0/I)(<17.8)6.5 (0/I)(< 6.5)19.9 (0/1)(< 19.9)10.7 (0/1)(<10.7)12 (0/1)(<12)19 (13/13)(14/26)6.0 (0/1)(< 6.0)10.5 (0/1)(<10.5)34.9 (0/1)(<34.9)6.5 (0/I)(< 6.5)19.9 (0/1)(<19.9)11.2 (0/1)(< 11.2)BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-06 INDICATOR GODLEY 0.5 MILEW WSW OF SITE 0 0 BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE BD-02 INDICATOR CUSTER PARK 5.0 MILES E OF SITE BD-06 INDICATOR GODLEY 0.5 MILEW WSW OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE 0 0 0 0 0 0 THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS AIR PARTICULATE (E-3 PCI/CU.METER)

CS-134 CS-137 BALA 140 GAMMA 1-131 50 4.8 (0/7)(< 3.7/< 6.2)60 3.4 (0/7)(<2.5/<4.1)

N/A 240.9 (0/7)(<169/<373) 70 21 (0/42)(<11/<30)6.2 (0/1)(< 6.2)4.6 (0/1)(< 4.6)304 (0/1)(<304)6.2 (0/I)(< 6.2)4.6 (0/1)(< 4.6)373 (0/1)(<373)AIR IODINE (E-3 PCI/CU.METER) 48 20 (0/6)(<16/<26)0.5 (0/3)(< 0.4/< 0.6)22 (0/6)(<18/<30)0.5 (0/3)(< 0.4/< 0.6)BD-02 INDICATOR CUSTER PARK 5.0 MILES E OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE 0 0 0 0 0 MILK (PCI/LITER) 1-131 6 6 0.5 (0/3)(< 0.4/< 0.6)GAMMA MN-54 N/A 7 (0/3)(<4/<9)N/A 7 (0/3)(<5/<8)8 (0/3)(<6/<8)8 (0/3)(<7/<9)8 (0/3)(<6/<8)8 (0/3)(<7/<9)0 0 CO-58* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBEROF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

FE-59 CO-60 ZN-65 00 ZRNB-95 CS-134 CS-137 BA-140 LA- 140 N/A 15 (0/3)(<8/<19)N/A 7 (0/3)(<5/<9)N/A 18 (0/3)(<10/<23)N/A 7 (0/3)(<4/<9)15 8 (0/3)(<3/<10)18 7 (0/3)(<5/<9)60 29 (0/3)(< 16/<40)15 10 (0/3)(<5/<14)18 (0/3)(< 16/<20)8 (0/3)(<7/<9)21 (0/3)(< 17/<24)8 (0/3)(<7/<9)10 (0/3)(<7/< 11)8 (0/3)(<7/<9)38 (0/3)(<33/<44)10 (0/3)(<8/<10)18 (0/3)(<16/<20)8 (0/3)(<7/<9)21 (0/3)(< 17/<24)8 (0/3)(<7/<9)10 (0/3)(<7/<1 1)8 (0/3)(<7/<9)38 (0/3)(<33/<44)10 (0/3)(<5/<14)BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 1ST QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 1ST QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DIRECT RADIATION (MILLI-ROENTGEN/QTR.)

TLD-QUARTERLY 80 N/A 25 (78/78)(22/31)25 (2/2)(24/26)31 (!/I)(31)BD-21 1-1 INDICATOR 4.8 MILES SW OF SITE 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCULITER)

GR-B H-3 GAMMA* MN-54 C: 6 15 6 CO-58 FE-59 CO-60 ZN-65 NB-95 4 4.9 (3/3)(4.4/5.5)200 205 (7/14)(< 174/310)15 2 (0/3)(<2/<2)15 2 (0/3)(<2/<3)30 5 (0/3)(<5/<6)15 2 (0/3)(<1/<2)30 4 (0/3)(<3/<5)15 2 (0/3)(<2/<3)4.2 (3/3)(2.7/5.2)173 (0/1)(<173)2 (0/3)(<I/<3)2 (0/3)(<1/<3)4 (0/3)(<2/<6)2 (0/3)(<1/<2)4 (0/3)(<2/<6)2 (0/3)(<1/<3)4.9 (3/3)-(4.4/5.5) 208 (7/13)(<175/310) 2 (0/3)(<2/<2)2 (0/3)(<2/<3)5 (0/3)(<5/<6)2 (0/3)(<1/<2)4 (0/3)(<3/<5)2 (0/3)(<2/<3)BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-38 INDICATOR MAIN DRAINAGE DITCH 1.5 MILES SW OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEV1LLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

ZR-95 1-131 CS-134 CS-137 BA-140 LA- 140 30 4 (0/3)(<3/<5)15 11 (0/3)(<9/<11)15 2 (0/3)(<2/<2)18 2 (0/3)(< 1/<2)60 24 (0/3)(<18/<34)15 8 (0/3)(<6/<11)4 3.4 (3/3)(3.2/3.6)200 170 (0/3)(<167/<175) 3 (0/3)(<2/<5)12 (0/3)(<8/<15)2 (0/3)(<I/<3)2 (0/3)(< 1/<3)19 (0/3)(<15/<25)7 (0/3)(<6/<8)N/A N/A 4 (0/3)(<3/<5)12 (0/3)(<8/<1 5)2 (0/3)(<2/<2)2 (0/3)(<1/<2)24 (0/3)(<18/<34)8 (0/3)(<6/<1 1)3.4 (3/3)(3.2/3.6)170 (0/3)(<167/<175)

BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE DRINKING WATER (PCI/LITER)

GR-B 3 H-3* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

GAMMA MN-54 t', CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 15 2 (0/3)(<1/<2)15 2 (0/3)(<2/<3)30 5 (0/3)(<4/<5)15 2 (0/3)(<1/<2)30 4 (0/3)(<3/<5)15 2 (0/3)(<2/<2)30 4 (0/3)(<3/<4)15 11 (0/3)(<7/<14)N/A N/A N/A N/A N/A N/A N/A N/A 2 (0/3)(<I/<2)2 (0/3)(<2/<3)5 (0/3)(<4/<5)2 (0/3)(<I/<2)4 (0/3)(<3/<5)2 (0/3)(<2/<2)4 (0/3)(<3/<4)11 (0/3)(<7/< 14)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCIULITER)

CS-134 CS-137 BA-140 LA- 140 1.)15 2 (0/3)(<1/<2)18 2 (0/3)(<1/<2)60 38 (0/3)(< 191<74)15 12 (0/3)(<6/<23)200 224 (1/5)(<173/393) 15 5 (0/5)(<4/<5)15 5 (0/5)(<4/<6)30 11 (0/5)(<9/< 13)N/A N/A N/A N/A N/A 2 (0/3)(<1/<2)2 (0/3)(< 1/<2)38 (0/3)(< 19/<74)12 (0/3)(<6/<23)393 (I/I)(393)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-36 INDICATOR HUTTON WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE 0 0 0 0 0 GROUND WATER (PCI/LITER)

H-3 5 5 GAMMA MN-54 CO-58 FE-59 N/A N/A N/A 5 (0/1)(<5)6 (0/1)(<6)13 (0/I)(<13)0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA- 140 15 5 (0/5)(<4/<6)30 11 (0/5)(<9/< 12)15 5 (0/5)(<5/<6)30 9 (0/5)(<8/<10)15 13 (0/5)(<12/<14)15 5 (0/5)(<5/<6)18 5 (0/5)(<4/<6)60 30 (0/5)(<28/<33)N/A N/A N/A N/A N/A N/A N/A N/A 6 (0/I)(<6)12 (0/1)(<12)6 (0/1)(<6)10 (0/1)(<10)14 (0/1)(<14)6 (0/1)(<6)6 (0/1)(<6)33 (0/1)(<33)BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE 0 0 0 0 0 0 0 0 BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

FISH (PCIUKG WET)LA-140 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 15 10 (0/5)(<9/<11)130 54 (0/2)(<50/<58)130 61 (0/2)(<57/<65)260 124 (0/2)(<120/<128) 130 50 (0/2)(<48/<53)260 138 (0/2)(<134/<142)

N/A 61 (0/2)(<57/<66)130 61 (0/2)(<58/<64)N/A II (0/1)(<1l)BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE 44 (0/2)(<40/<48)50 (0/2)(<47/<53)101 (0/2)(<97/<105) 42 (0/2)(<37/<47)102 (0/2)(<97/<106) 51 (0/2)(<50/<51)46 (0/2)(<45/<48)54 (0/2)(<50/<58)61 (0/2)(<57/<65)124 (0/2)(<120/<128) 50 (0/2)(<48/<53)138 (0/2)(<134/<142) 61 (0/2)(<57/<66)61 (0/2)(<58/<64)BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS FISH (PCI/KG WET)CS-137 SEDIMENT (PCI/KG DRY)BALA 140 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 150 53 (0/2)(<51/<55)N/A 140 (0/2)(<137/<142)

N/A 135 (0/1)(<135)N/A 146 (0/1)(<146)N/A 319 (0/i)(<319)N/A 122 (0/1)(<122)N/A 321 (0/1)(<321)N/A 144 (0/1)(<144)43 (0/2)(<43/<43)133 (0/2)(<130/<135)

N/A N/A N/A N/A N/A N/A 53 (0/2)(<51/<55)140 (0/2)(<13 7/<142)135 (0/1)(<135)146 (0/1)(<146)319 (0/1)(<319)122 (0/1)(<122)321 (0/1)(<321)144 (0/1)(<144)BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SEDIMENT (PCI/KG DRY)CS-134 CS-137 BALA 140 AIR PARTICULATE (E-3 PCI/CU.METER)

GR-B 104 150 135 (0/I)(<135)180 137 (0/1)(<137)N/A 325 (0/I)(<325)10 15 (88/91)(<5/25)N/A 3.1 (0/7)(< 1.7/< 4. 1)N/A 4.7 (0/7)(< 3.0/< 6.3)N/A 14.1 (0/7)(<10.2/<19.7)

N/A 3.0 (0/7)(< 1.9/< 4.5)N/A N/A N/A GAMMA MN-54 8 CO-58 FE-59 CO-60 15 (13/13)(5/22)2.6 (0/I)(< 2.6)4.9 (0/1)(< 4.9)11.2 (0/I)(<1 1.2)2.2 (0/1)(< 2.2)135 (0/1)(<135)137 (0/1)(<137)325 (0/i)(<325)16 (13/13)(6/25)4.1 (0/1)(<4.1)6.3 (0/1)(< 6.3)19.7 (0/I)(<19.7)4.5 (0/1)(<4.5)BD-J 0 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0 BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-21 INDICATOR NEARSITE NE 0.5 MILES NE OF SITE BD-21 INDICATOR NEARSITE NE 0.5 MILES NE OF SITE 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS AIR PARTICULATE (E-3 PCI/CU.METER)

ZN-65 00 ZRNB-95 CS-134 CS-137 BALA 140 GAMMA 1-131 N/A 7.3 (0/7)(< 4.8/< 9.8)N/A 5.3 (0/7)(< 3.9/< 6.6)50 3.5 (0/7)(< 2.2/< 4.8)60 2.9 (0/7)(< 2.1/< 3.7)N/A 98.7 (0/7)(<78.7/<122) 70 50 (0/91)(<15/<69)1 1.3 (0/6)(< 0.3/< 4.4)6.0 (0/1)(< 6.0)3.8 (0/I)(< 3.8)2.6 (0/1)(< 2.6)2.8 (0/1)(< 2.8)95.8 (0/1)(<95.8)53 (0/13)(<22/<67)1.0 (0/6)(< 0.3/< 2.9)9.8 (0/1)(< 9.8)6.6 (0/1)(< 6.6)4.8 (0/1)(< 4.8)3.7 (0/1)(< 3.7)122 (0/1)(<122)53 (0/13)(<22/<69)1.3 (0/6)(< 0.3/< 4.4)BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-21 INDICATOR NEARSITE NE 0.5 MILES NE OF SITE BD-21 INDICATOR NEARSITE NE 0.5 MILES NE OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 0 0 AIR IODINE (E-3 PCI/CU.METER) 104 12 MILK (PCI/LITER) 1-131* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 CS-137 12 N/A 8 (0/6)(<7/<9)N/A 9 (0/6)(<7/<1 1)N/A 20 (0/6)(< 17/<24)N/A 9 (0/6)(<7/<11)N/A 22 (0/6)(<18/<25)N/A 9 (0/6)(<8/< 11)15 8 (0/6)(<7/< 10)18 9 (0/6)(<7/<1 1)8 (0/6)(<51<10)8 (0/6)(<5/<9)19 (0/6)(<12/<23)9 (0/6)(<6/<12)20 (0/6)(<12/<25)9 (0/6)(<51<11)9 (0/6)(<5/<13)8 (0/6)(<51<11)8 (0/6)(<7/<9)9 (0/6)(<7/<11)20 (0/6)(<17/<24)9 (0/6)(<7/<11)22 (0/6)(<18/<25)9 (0/6)ý(<8/<11)9 (0/6)(<5/<13)9 (0/6)(<7/<11)BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD- 17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD- 17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-1 7 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2ND QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 2ND QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

BA-140 LA-140 60 44 (0/6)(<40/<49)15 14 (0/6)(<14/<15)N/A 21 (77/77)(19/28)41 (0/6)(<27/<51)13 (0/6)(<9/<15)21 (2/2)(21/21)44 (0/6)(<40/<49)14 (0/6)(<14/<15)28 (1/1)(28)BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-209-2 INDICATOR 4.8 MILES S OF SITE 0 0 0 0 DIRECT RADIATION (MILLI-ROENTGEN/QTR.)

TLD-QUARTERLY 79* D-21 1-2 also read 28 mrem.* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

GR-B 6 H-3 GAMMA MN-54 18 6 CO-58 FE-59 CO-60 ZN-65 NB-95 4 6.9 (3/3)(4.6/8.2)200 194 (3/17)(< 169/342)15 1 (0/3)(< 1/<2)15 2 (0/3)(< 1/<2)30 4 (0/3)(<3/<4)15 2 (0/3)(< 1/<2)30 3 (0/3)(<2/<3)15 2 (0/3)(<1/<2)5.9 (3/3)(3.7/7.2)185 (0/i)(<185)2 (0/3)(<1/<2)2 (0/3)(<21<2)4 (0/3)(<4/<5)2 (0/3)(< 1/<2)3 (0/3)(<31<4)2 (0/3)(<2/<2)6.9 (3/3)(4.6/8.2)199 (3/13)(< 169/342)2 (0/3)(< 1/<2)2 (0/3)(<2/<2)4 (0/3)(<4/<5)2 (0/3)(<1/<2)3 (0/3)(<3/<4)2 (0/3)(<2/<2)BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-38 INDICATOR MAIN DRAINAGE DITCH 1.5 MILES SW OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE 0 0 0 0 0 THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

ZR-95 1-131 CS-134 CS-137 BA-140 LA- 140 30 3 (0/3)(<3/<3)15 12 (0/3)(<8/<14)15 1 (0/3)(<I/<2)18 1 (0/3)(<1/<2)60 18 (0/3)(<16/<20)15 6 (0/3)(<4/<7)4 3.9 (3/3)(2.9/4.9)200 176 (0/3)(<17 1/<182)3 (0/3)(<3/<4)13 (0/3)(<9/<15)1 (0/3)(<1/<2)2 (0/3)(< 1/<2)20 (0/3)(< 171<22)6 (0/3)(<5/<6)N/A N/A 3 (0/3)(<3/<4)13 (0/3)(<9/< 15)1 (0/3)(< 1 /<2)2 (0/3)(<1/<2)20 (0/3)(<17/<22)6 (0/3)(<5/<6)3.9 (3/3)(2.9/4.9)176 (0/3)(<171/<182)

BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE DRINKING WATER (PCI/LITER)

GR-B 3 3 H-3* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCULITER)

GAMMA MN-54 3 I'J CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 15 4 (0/3)(<1/<6)15 4 (0/3)(<1/<6)30 8 (0/3)(<2/<14)15 4 (0/3)(<1/<6)30 7 (0/3)(<1/<1 1)15 4 (0/3)(<1/<6)30 6 (0/3)(<1/<10)15 12 (0/3)(<11/<14)N/A N/A N/A N/A N/A N/A N/A N/A 4 (0/3)(<1/<6)4 (0/3)(<1/<6)8 (0/3)(<2/< 14)4 (0/3)(< 1/<6)7 (0/3)(<1/<11)4 (0/3)(<1/<6)6 (0/3)(<1/<10)12 (0/3)(<11/<14)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

CS- 134 CS-137 BA- 140 LA- 140 15 3 (0/3)(<11<5)18 4 (0/3)(< 1/<6)60 23 (0/3)(<14/<29)15 8 (0/3)(<4/< 11)200 191 (1/5)(< 173/261)15 3 (0/5)(<2/<3)15 3 (0/5)(<2/<3)30 6 (0/5)(<6/<7)N/A N/A N/A N/A N/A N/A N/A N/A 3 (0/3)(<1/<5)4 (0/3)(<1/<6)23 (0/3)(<14/<29)8 (0/3)(<4/<11)261 (I/1)(261)3 (0/1)(<3)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-36 INDICATOR HUTTON WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE 0 0 0 0 0 GROUND WATER (PCI/LITER)

H-3 5 GAMMA MN-54 CO-58 FE-59 3 (0/1)(<3)7 (0/1)(<7)BD- 13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE 0 0 0 THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

I,'CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA-140 15 3 (0/5)(<2/<4)30 6 (0/5)(<5/<7)15 3 (0/5)(<3/<3)30 5 (0/5)(<4/<6)15 11 (0/5)(<7/<14)15 3 (0/5)(<2/<3)18 3 (0/5)(<2/<3)60 22 (0/5)(< t 7/<27)N/A N/A N/A N/A N/A N/A N/A N/A 4 (0/1)(<4)7 (0/I)(<7)3 (0/1)(<3)6 (0/1)(<6)14 (0/1)(<14)3 (0/1)(<3)3 (0/1)(<3)27 (0/1)(<27)BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

AIR PARTICULATE (E-3 PCI/CU.METER)

LA- 140 GR-B GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 15 7 (0/5)(<6/< 10)104 10 22 (91/91)(15/35)N/A 2.3 (0/7)(< 1.3/< 3.3)N/A 3.9 (0/7)(< 2.0/< 5.9)N/A 15 (0/7)(<10.4/<22.2)

N/A 2.4 (0/7)(< 1.1I/< 3.6)N/A 6.1 (0/7)(< 3.2/< 10.3)N/A 4.9 (0/7)(< 3.7/< 7.0)N/A 20 (13/13)(15/28)1.8 (0/1)(< 1.8)3.0 (0/1)(< 3.0)6.1 (0/1)(< 6.1)2.4 (0/1)(< 2.4)4.8 (0/1)(< 4.8)3.3 (0/1)(< 3.3)10 (0/1)(<IO)23 (13/13)(15/30)3.3 (0/1)(< 3.3)5.9 (0/1)(< 5.9)22.2 (0/I)(<22.2)3.6 (0/1)(< 3.6)10.3 (0/1)(<10.3)7.0 (0/1)(< 7.0)BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-02 INDICATOR CUSTER PARK 5.0 MILES E OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS AIR PARTICULATE (E-3 PCI/CU.METER)

CS-134 CS-137 BALA 140 GAMMA 1-131 50 2.3 (0/7)(< 1.3/< 4.2)60 2.2 (0/7)(< 1.3/< 2.8)N/A 204 (0/7)(<117/<288) 70 52 (0/91)(<18/<70)1.5 (0/1)(< 1.5)1.3 (0/1)(< 1.3)117 (0/1)(<117)50 (0/13)(<27/<68)0.5 (0/6)(< 0.3/< 0.8)4.2 (0/1)(< 4.2)2.8 (0/1)(< 2.8)288 (0/1)(<288)55 (0/13)(<31/<68)0.6 (0/6)(< 0.4/< 0.8)AIR IODINE (E-3 PCI/CU.METER) 104 BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-06 INDICATOR GODLEY 0.5 MILEW WSW OF SITE BD-19 INDICATOR NEARSITE NW 0.3 MILES NW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD- 17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD- 17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 MILK (PCI/LITER) 1-131 12 12 0.6 (0/6)(< 0.4/< 0.8)GAMMA MN-54 N/A 7 (0/6)(<6/<8)N/A 7 (0/6)(<6/<8)7 (0/6)(<6/<7)7 (0/6)(<6/<8)7 (0/6)(<6/<8)7 (0/6)(<6/<8)0 0 CO-58 THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

FE-59 CO-60 ZN-65 t)00 ZRNB-95 CS- 134 CS-137 BA- 140 LA- 140 N/A 17 (0/6)(<15/<18)N/A 8 (0/6)(<6/<9)N/A 18 (0/6)(<15/<20)N/A 8 (0/6)(<7/<10)15 7 (0/6)(<6/<7)18 7 (0/6)(<7/<8)60 42 (0/6)(<37/<45)15 13 (0/6)(<11/<14)16 (0/6)(<13/<18)7 (0/6)(<5/<7)16 (0/6)(<12/<19)7 (0/6)(<6/<9)6 (0/6)(<4/<8)6 (0/6)(<5/<8)36 (0/6)(<29/<44)11 (0/6)(<8/< 14)17 (0/6)(<15/<18)8 (0/6)(<6/<9)18 (0/6)(<15/<20)8 (0/6)(<7/<10)7 (0/6)(<6/<7)7 (0/6)(<7/<8)42 (0/6)(<37/<45)13 (0/6)(<11/<14)BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS VEGETATION (PCI/KG WET)GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 1-131 CS-134 10 N/A 15 (0/8)(<9/<20)N/A 15 (0/8)(<10/<20)N/A 39 (0/8)(<23/<52)N/A 16 (0/8)(<11/<24)N/A 39 (0/8)(<28/<48)N/A 16 (0/8)(<11/<21)60 43 (0/8)(<23/<57)60 14 (0/8)(<8/<18)13 (0/2)(<6/<20)13 (0/2)(<6/<21)39 (0/2)(<16/<62)14 (0/2)(<7/<21)40 (0/2)(<16/<64)15 (0/2)(<7/<23)38 (0/2)(<16/<59)12 (0/2)(<5/<18)18 (0/2)(< 16/<20)19 (0/2)(< 19/<20)48 (0/2)(<45/<51)18 (0/2)(< 16/<20)43 (0/2)(<41/<45)17 (0/2)(<17/<18)53 (0/2)(<50/<57)17 (0/2)(<16/<18)BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3RD QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 3RD QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS VEGETATION (PCI/KG WET)CS-137 BALA 140 80 16 (0/8)(<9/<21)N/A 26 (0/8)(<12/<38)N/A 27 (78/78)(22/33)15 (0/2)(<7/<23)19 (0/2)(<9/<30)25 (2/2)(25/25)21 (0/2)(<20/<2 1)30 (0/2)(<22/<38)33 (1/1)(33)BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-209-2 INDICATOR 4.8 MILES S OF SITE 0 0 0 0 DIRECT RADIATION (MILLI-ROENTGEN/QTR.)

TLD-QUARTERLY 80* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F) -

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEV1LLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCULITER)

GR-B 9 17 H-3 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 NB-95 4 7.6 (6/6)(4.5/10.5) 200 192 (4/16)(<139/344) 15 2 (0/6)(<I/<4)15 2 (0/6)(<I/<4)30 5 (0/6)(<2/<8)15 3 (0/6)(<1/<5)30 4 (0/6)(<I/<9)15 3 (0/6)(<I/<5)6.4 (3/3)(5.7/7.2)180 (0/1)(<180)(0/3)(<I/<2)1 (0/3)(<I/<2)3 (0/3)(<2/<6)1 (0/3)(<0/<2)2 (0/3)(<1 /<4)1 (0/3)(<1/<3)10.1 (3/3)(9.9/10.5) 199 (2/2)(174/224)2 (0/3)(<1/<4)2 (0/3)(<1/<4)5 (0/3)(<2/<8)3 (0/3)(<1!/<5)5 (0/3)(<2/<9)3 (0/3)(<I/<5)BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

ZR-95 1-131 CS-134 CS-137 BA- 140 LA- 140 30 4 (0/6)(<1/<7)15 11 (0/6)(<7/<15)15 2 (0/6)(<1/<4)18 2 (0/6)(<1/<4)60 20 (0/6)(<10/<30)15 7 (0/6)(<3/<10)4 4.5 (3/3)(3.6/5.2)200 178 (1/3)(<158/210) 2 (0/3)(<1/<5)11 (0/3)(<7/<14)1 (0/3)(<0/<2)1 (0/3)(<0/<2)16 (0/3)(<9/<25)5 (0/3)(<3/<8)N/A N/A 4 (0/3)(<1/<6)11 (0/3)(<8/<14)2 (0/3)(<1/<4)2 (0/3)(<1/<4)20 (0/3)(<11/<30)7 (0/3)(<3/<10)4.5 (3/3)(3.6/5.2)178 (1/3)(<158/210)

BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 DRINKING WATER (PCI/LITER)

GR-B H-3 3 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

GAMMA MN-54 3 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 15 3 (0/3)(<1/<4)15 3 (0/3)(<l/<4)30 7 (0/3)(<2/<10)15 3 (0/3)(<11<5)30 7 (0/3)(<2/<12)15 4 (0/3)(<1/<5)30 5 (0/3)(<2/<8)15 11 (0/3)(<6/<14)N/A N/A N/A N/A N/A N/A N/A N/A 3 (0/3)(<1/<4)3 (0/3)(< 1/<4)7 (0/3)(<2/<10)3 (0/3)(<11<5)7 (0/3)(<2/<12)4 (0/3)(<11<5)5 (0/3)(<2/<8)11 (0/3)(<6/<14)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

CS-134 CS-137 BA-140 LA- 140 15 3 (0/3)(<1/<4)18 3 (0/3)(<1/<5)60 21 (0/3)(<9/<27)15 7 (0/3)(<3/<10)200 191 (1/5)(<173/261) 15 1 (0/5)(<1/<1)15 2 (0/5)(<1/<2)30 4 (015)(<3/<4)N/A N/A N/A N/A N/A N/A N/A N/A 3 (0/3)(<1/<4)3 (0/3)(<1/<5)21 (0/3)(<9/<27)7 (0/3)(<3/<10)261 (1/1)(261)1 (0/1)(<0)2 (0/1)(<2)4 (0/1)(<4)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-36 INDICATOR HUTTON WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE 0 0 0 0 0 GROUND WATER (PCI/LITER)

H-3 5 5 GAMMA MN-54 0 CO-58 FE-59* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)(A CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA-140 15 1 (0/5)(<1/<1)30 3 (0/5)(<2/<3)15 2 (0/5)(<1/<2)30 3 (0/5)(<2/<3)15 12 (0/5)(<11/<14)15 1 (0/5)(<1/<1)18 1 (0/5)(<1/<2)60 18 (0/5)(<16/<20)N/A N/A N/A N/A N/A N/A N/A N/A I (0/1)(<1)3 (0/1)(<3)2 (0/1)(<2)3 (0/1)(<3)14 (0/1)(<14)1 (0/1)(<1)2 (0/1)(<2)20 (0/1)(<20)BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

LA-140 FISH (PCI/KG WET)GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 6 15 6 (0/5)(<4/<7)130 58 (0/4)(<46/<7 1)130 71 (0/4)(<64/<77)260 177 (0/4)(<154/<194) 130 62 (0/4)(<45/<92)260 127 (0/4)(< 106/< 174)N/A 82 (0/4)(<54/<98)130 53 (0/4)(<44/<63)N/A 7 (0/1)(<7)BD-37 INDICATOR NURCZYK WELL 4.7 MILES E OF SITE BD-41 INDICATOR 0 44 (0/2)(<40/<49)64 (0/2)(<49/<79)141 (0/2)(<132/<150) 44 (0/2)(<38/<49)93 (0/2)(<89/<98)77 (0/2)(<64/<90)41 (0/2)(<36/<45)59 (0/2)(<46/<7 1)73 (0/2)(<69/<77)189 (0/2)(<183/<194) 68 (0/2)(<45/<92)140 (0/2)(<106/<174) 88 (0/2)(<84/<92)55 (0/2)(<47/<63)BD-28 INDICATOR KANK.AKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS FISH (PCI/KG WET)CS-137 Lb SEDIMENT (PCI/KG DRY)BALA 140 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 150 58 (0/4)(<43/<83)N/A 396 (0/4)(<253/<473)

N/A 95 (0/I)(<95)N/A 105 (0/1)(<105)N/A 227 (0/1)(<227)N/A 84 (0/I)(<84)N/A 226 (0/I)(<226)N/A 112 (0/1)(<112)42 (0/2)(<36/<48)433 (0/2)(<324/<541)

N/A N/A N/A N/A N/A N/A 63 (0/2)(<43/<83)440 (0/2)(<406/<473) 95 (0/I)(<95)105 (0/1)(<105)227 (0/1)(<227)84 (0/I)(<84)226 (0/1)(<226)112 (0/1)(<112)BD-41 INDICATOR BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SEDIMENT (PCI/KG DRY)CS-134 CS-137 BALA 140 00 AIR PARTICULATE (E-3 PCI/CU.METER)

GR-B 104 150 83 (0/1)(<83)180 142 (1/1)(142)N/A 277 (0/1)(<277)10 24 (91/91)(12/41)N/A 2.7 (0/7)(< 2.3/< 3.2)N/A 3.3 (0/7)(< 2.6/< 3.9)N/A 7.3 (0/7)(< 6.6/< 8.3)N/A 2.6 (0/7)(< 2.2/< 2.9)N/A N/A N/A GAMMA MN-54 8 CO-58 FE-59 CO-60 22 (13/13)(14/34)3.1 (0/1)(< 3.1)4.3 (0/1)(< 4.3)9.0 (0/1)(< 9.0)4.5 (0/1)(< 4.5)83 (0/1)(<83)142 (1/1)(142)277 (0/1)(<277)25 (13/13)(13/41)3.2 (0/I)(< 3.2)4.3 (0/1)(< 4.3)9.0 (0/1)(< 9.0)4.5 (0/1)(< 4.5)BD-04 INDICATOR ESSEX 4.8 MILES SSE OF SITE BD-02 INDICATOR CUSTER PARK 5.0 MILES E OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS AIR PARTICULATE (E-3 PCI/CU.METER)

ZN-65 ZRNB-95 CS-134 CS-137 BALA 140 GAMMA 1-131 N/A 6.8 (0/7)(< 5.6/< 7.6)N/A 3.3 (0/7)(< 2.6/< 3.6)50 2.9 (0/7)(< 2.6/< 3.3)60 2.4 (0/7)(< 1.9/< 3.3)N/A 18.5 (0/7)(<15.3/<21) 70 39 (0/91)(<14/<68)9.2 (0/I)(< 9.2)5.0 (0/1)(< 5.0)4.5 (0/1)(< 4.5)3.0 (0/1)(< 3.0)20.5 (0/I)(<20.5)9.2 (0/I)(< 9.2)5.0 (0/I)(< 5.0)4.5 (0/1)(< 4.5)3.3 (0/1)(< 3.3)21 (0/1)(<21)BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-02 INDICATOR CUSTER PARK 5.0 MILES E OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 AIR IODINE (E-3 PCI/CU.METER) 104 41 (0/13)(< 17/<62)0.5 (0/4)(< 0.3/< 0.7)41 (0/13)(< 17/<62)0.6 (0/4)(< 0.3/< 0.8)0 0 MILK (PCI/LITER) 1-131 8 0.6 (0/4)(< 0.3/< 0.8)* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

GAMMA MN-54 8 CO-58 FE-59 4:.CO-60 ZN-65 ZRNB-95 CS-134 CS-137 N/A 5 (0/4)(<3/<6)N/A 6 (0/4)(<3/<8)N/A 12 (0/4)(<8/<14)N/A 6 (0/4)(<4/<8)N/A 12 (0/4)(<8/<17)N/A 6 (0/4)(<4/<8)15 5 (0/4)(<3/<7)18 5 (0/4)(<3/<5)6 (0/4)(<5/<6)6 (0/4)(<5/<7)15 (0/4)(<14/<17)6 (0/4)(<5/<7)13 (0/4)(<10/<16)6 (0/4)(<6/<7)5 (0/4)(<5/<6)6 (0/4)(<5/<6)6 (0/4)(<5/<6)6 (0/4)(<5/<7)15 (0/4)(<14/<17)6 (0/4)(<4/<8)13 (0/4)(<10/<16)6 (0/4)(<6/<7)5 (0/4)(<5/<6)6 (0/4)(<5/<6)BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4TH QUARTER

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: 4TH QUARTER, 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

BA-140 LA- 140 60 42 (0/4)(<28/<57)15 12 (0/4)(<8/< 15)N/A 26 (78/78)(22/32)43 (0/4)(<40/<49)11 (0/4)(<8/<14)27 (2/2)(27/27)43 (0/4)(<40/<49)12 (0/4)(<8/<15)32 (I/I)(32)BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-21 1-1 INDICATOR 4.8 MILES SW OF SITE 0 0 DIRECT RADIATION (MILLI-ROENTGEN/QTR.)

TLD-QUARTERLY 80 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

GR-B H-3 GAMMA MN-54 27 56 27 6.4 (15/15)(4.4/10.5) 5.6 (12/12)(2.7/7.2)CO-58 FE-59 CO-60 ZN-65 NB-95 200 204 (18/52)(<139/398) 15 2 (0/15)(<1/<4)15 2 (0/15)(<1/<4)30 5 (0/15)(<2/<9)15 2 (0/15)(<11<5)30 5 (0/15)(<1/<10)15 3 (0/15)(<1/<5)182 (0/4)(<173/<189) 2 (0/12)(< 1/<4)2 (0/12)(< 1/<4)5 (0/12)(<2/< 10)2 (0/12)(<0/<4)4 (0/12)(<1/<9)2 (0/12)(< 1/<4)10.1 (3/3)(9.9/10.5) 208 (16/43)(<139/398) 2 (0/3)(<1/<4)2 (0/12)(< 1/<4)5 (0/12)(<2/<9)3 (0/3)(<1/<5)5 (0/3)(<2/<9)3 (0/3)(<1/<5)BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-38 INDICATOR MAIN DRAINAGE DITCH 1.5 MILES SW OF SITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE 0 0 0 0 0 0 THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SURFACE WATER (PCI/LITER)

ZR-95 1-131 CS-134 CS-137 BA- 140 LA- 140 30 4 (0115)(<1/<8)15 11 (0/15)(<7/<15)15 2 (0/15)(<1/<4)18 2 (0/15)(< 1/<4)60 21 (0/15)(<10/<34)15 7 (0/15)(<3/<11)4 3.8 (11/12)(< 2.4/5.2)200 176 (1/12)(<158/210) 4 (0/12)(< 1/<8)12 (0/12)(<7/< 15)2 (0/12)(<0/<4)2 (0/12)(<0/<4)20 (0/12)(<9/<29)7 (0/12)(<3/<10)N/A N/A 4 (0/12)(<1/<8)12 (0/12)(<7/<15)2 (0/12)(< 1/<4)2 (0/3)(<1/<4)22 (0/12)(<10/<34)7 (0/12)(<3/<11)3.8 (11/12)(< 2.4/5.2)176 (1/12)(<158/210)

BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-25 CONTROL KANKAKEE RIVER UPSTREAM 9.6 MILES E OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-40 INDICATOR BRAIDWOOD STATION COOLING LAKE ONSITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 0 DRINKING WATER (PCI/LITER)

GR-B 12 12 H-3* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

GAMMA MN-54 12 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 15 3 (0/12)(<1/<6)15 3 (0/12)(< 1/<6)30 7 (0/12)(<2/<14)15 3 (0/12)(< 1/<6)30 7 (0/12)(<1/<13)15 3 (0/12)(<1/<6)30 6 (0/12)(<I/<10)15 12 (0/12)(<6/< 15)N/A N/A N/A N/A N/A N/A N/A N/A 3 (0/12)(<1/<6)3 (0/12)(<1/<6)7 (0/12)(<2/<14)3 (0/12)(< 1/<6)7 (0/12)(<1/<13)3 (0/12)(<1/<6)6 (0/12)(<1/<10)12 (0/12)(<6/<15)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS DRINKING WATER (PCI/LITER)

CS-134 CS-137 BA- 140 LA-140 15 3 (0/12)(<1/<7)18 3 (0/12)(<1/<6)60 36 (0/12)(<9/<105)15 12 (0/12)(<3/<37)200 209 (4/20)(<153/396) 15 4 (0/20)(<1/<8)15 4 (0/20)(<1/<8)30 9 (0/20)(<3/<16)N/A N/A N/A N/A N/A 3 (0/12)(<1/<7)3 (0/12)(<1/<6)36 (0/12)(<9/<105)12 (0/12)(<3/<37)357 (4/4)(261/396)4 (0/4)(<1/<8)4 (0/4)(<2/<8)9 (0/4)(<4/< 14)BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-22 INDICATOR WILMINGTON

6.0 MILES

NE OF SITE BD-36 INDICATOR HUTTON WELL 4.7 MILES E OF SITE 0 0 GROUND WATER (PCI/LITER)

H-3 20 20 0 GAMMA MN-54 CO-58 FE-59 N/A N/A N/A BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER) 41 CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA- 140 15 4 (0/20)(<1/<8)30 10 (0/20)(<2/<22)15 4 (0/20)(<1/<9)30 7 (0/20)(<2/<14)15 12 (0/20)(<7/< 14)15 5 (0/20)(<1/<13)18 4 (0/20)(<1/<9)60 25 (0/20)(<16/<39)N/A N/A N/A N/A N/A N/A N/A N/A 4 (0/4)(<1/<8)10 (0/4)(<3/<19)5 (0/4)(<2/<9)8 (0/4)(<3/<14)12 (0/4)(<10/<14)5 (0/4)(<1/<13)4 (0/4)(<2/<9)26 (0/4)(<19/<39)BD-34 INDICATOR GIBSON WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-35 INDICATOR JOLY WELL 4.7 MILES E OF SITE BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBEROF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS GROUND WATER (PCI/LITER)

LA-140 FISH (PCUKG WET)GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 10 15 9 (0/20)(<4/<12)130 57 (0/6)(<46/<71)130 68 (0/6)(<57/<77)260 159 (0/6)(< 120/< 194)130 58 (0/6)(<45/<92)260 131 (0/6)(<106/<174)

N/A 75 (0/6)(<54/<98)130 56 (0/6)(<44/<64)N/A 9 (0/4)(<6/<12)44 (0/4)(<40/<49)57 (0/4)(<47/<79)121 (0/4)(<97/< 150)43 (0/4)(<37/<49)97 (0/4)(<891<106) 64 (0/4)(<50/<90)44 (0/4)(<36/<48)59 (0/2)(<46/<71)70 (0/2)(<64/<76)189 (0/2)(<183/<194) 68 (0/2)(<45/<92)140 (0/2)(< 106/< 174)88 (0/2)(<84/<92)56 (0/4)(<44/<64)BD-13 INDICATOR BRAIDWOOD CITY HALL WELL 1.7 MILES NNE OF SITE BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR BD-41 INDICATOR BD-28 INDICATOR KANKAKEE RIVER DISCHARGE 5.4 MILES E OF SITE 0 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS FISH (PCI/KG WET)CS-137 00 SEDIMENT (PCI/KG DRY)BALAI40 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 2 150 57 (0/6)(<43/<83)N/A 311 (0/6)(<137/<473)

N/A 115 (0/2)(<95/<135)

N/A 126 (0/2)(<105/<146)

N/A 273 (0/2)(<227/<319)

N/A 103 (0/2)(<84/<122)

N/A 274 (0/2)(<226/<321)

N/A 128 (0/2)(<1 12/<144)42 (0/4)(<36/<48)283 (0/4)(<130/<541)

N/A N/A N/A N/A N/A N/A 63 (0/2)(<43/<83)353 (0/2)(<253/<453) 115 (0/2)(<95/<135) 126 (0/2)(<105/<146) 273 (0/2)(<227/<319) 103 (0/2)(<84/<122) 274 (0/2)(<226/<321) 128 (0/2)(<112/<144)

BD-41 INDICATOR BD-41 INDICATOR BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD- 10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS SEDIMENT (PCI/KG DRY)CS-134 CS-137 BALA 140 AIR PARTICULATE (E-3 PCI/CU.METER)

GR-B 416 150 109 (0/2)(<83/<135) 180 140 (1/2)(<137/142)

N/A 301 (0/2)(<277/<325) 10 20 (361/364)(<5/41)N/A 3.1 (0/28)(< 1.3/< 6.0)N/A 4.9 (0/28)(< 2.0/< 10.5)N/A 15.9 (0/28)(< 6.6/<34.9)

N/A 3.1 (0/28)(< 1.1I/< 5.3)N/A N/A N/A 109 (0/2)(<83/<135) 140 (1/2)(<137/142) 301 (0/2)(<277/<325)

BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE BD-10 INDICATOR KANKAKEE RIVER DOWNSTREAM

5.4 MILES

NE OF SITE 0 0 0 0 18 (52/52)(5/34)20 (52/52)(6/41)GAMMA MN-54 32 CO-58 FE-59 CO-60 2.8 (0/4)(< 1.8/< 3.8)4.7 (0/4)(< 3.0/< 6.6)II (0/4)(<6.I/<17.8) 3.9 (0/4)(< 2.2/< 6.5)3.6 (0/4)(< 2.4/< 5.7)5.9 (0/4)(< 3.7/< 7.9)17.7 (0/4)(< 7.3/<25)3.9 (0/4)(< 2.2/< 6.5)BD-04 INDICATOR ESSEX 4.8 MILES SSE OF SITE BD-04 INDICATOR ESSEX 4.8 MILES SSE OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS AIR PARTICULATE (E-3 PCI/CU.METER)

ZN-65 (.A C)ZRNB-95 CS-134 CS-137 BALA 140 GAMMA 1-131 N/A 8.0 (0/28)(< 3.2/<17.6)

N/A 5.5 (0/28)(< 2.6/<11.2) 50 3.4 (0/28)(< 1.3/< 6.2)60 2.7 (0/28)(< 1.3/< 4.1)N/A 140.5 (0/28)(<15.3/<373) 70 44 (0/315)(<1 1/<70)I 0.8 (0/19)(< 0.3/< 4.4)10 (0/4)(< 4.8/<19.9) 5.7 (0/4)(< 3.3/<10.7) 3.7 (0/4)(< 1.5/< 6.2)2.9 (0/4)(< 1.3/< 4.6)134.3 (0/4)(<20.5/<304) 44 (0/45)(<16/<68)0.7 (0/19)(< 0.3/< 2.9)10 (0/4)(< 4.8/<19.9) 6.1 (0/4)(< 3.6/<11.2) 3.9 (0/4)(< 2.8/< 4.7)3.2 (0/4)(< 2.1/< 4.0)181.9 (0/4)(<20.6/<373) 44 (0/45)(<16/<68)0.8 (0/19)(< 0.3/< 4.4)BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-20 INDICATOR NEARSITE N 0.6 MILES N OF SITE BD-05 INDICATOR GARDNER 5.5 MILES SW OF SITE BD-03 CONTROL COUNTY LINE ROAD 6.2 MILES ESE OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 AIR IODINE (E-3 PCI/CU.METER) 360 0 0 MILK (PCI/LITER) 1-131 38* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 CS-137 38 N/A 7 (0/19)(<3/<9)N/A 7 (0/19)(<3/<11)N/A 17 (0/19)(<8/<24)N/A 8 (0/19)(<4/<11)N/A 18 (0/19)(<8/<25)N/A 8 (0/19)(<4/<I11)15 7 (0/19)(<3/<10)18 7 (0/19)(<3/<11)7 (0/19)(<5/<10)7 (0/19)(<5/<9)17 (0/19)(<12/<23)7 (0/19)(<5/<12)17 (0/19)(<10/<25)8 (0/19)(<5/<11)7 (0/19)(<4/< 13)7 (0/19)(<5/<1 1)7 (0/19)(<5/<10)7 (0/19)(<5/<9)17 (0/19)(<12/<23)8 (0/19)(<4/<11)18 (0/19)(<8/<25)8 (0/19)(<4/<11)7 (0/19)(<4/< 13)7 (0/19)(<3/<11)BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD- 18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-18 CONTROL BIROS' FARM 8.7 MILES W OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE 0 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS MILK (PCI/LITER)

VEGETATION (PCI/KG WET)BA-140 LA- 140 GAMMA MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 10 60 41 (0/19)(<16/<57)15 13 (0/19)(<5/<15)N/A 15 (0/8)(<9/<20)N/A 15 (0/8)(<1 0/<20)N/A 39 (0/8)(<23/<52)N/A 16 (0/8)(<I 1/<24)N/A 39 (0/8)(<28/<48)N/A 16 (0/8)(<1 1/<21)39 (0/19)(<27/<51)11 (0/19)(<8/<15)13 (0/2)(<6/<20)13 (0/2)(<6/<21)39 (0/2)(<16/<62)14 (0/2)(<7/<2 I)40 (0/2)(<16/<64)15 (0/2)(<7/<23)41 (0/19)(<16/<57)13 (0/19)(<5/<15)18 (0/2)(< 16/<20)19 (0/2)(< 19/<20)48 (0/2)(<45/<51)18 (0/2)(<1 6/<20)43 (0/2)(<41/<45)17 (0/2)(<17/<18)BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-17 INDICATOR HALPIN'S DAIRY 5.5 MILES SSW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE 0 0 0 0 0 0* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

TABLE A-i RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR BRAIDWOOD STATION, 2006 Name of Facility:

BRAIDWOOD DOCKET NUMBER: 50-456 & 50-457 Location of Facility:

BRACEVILLE, IL REPORTING PERIOD: ANNUAL 2006 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN(M) MEAN(M) MEAN(M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYSIS LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS VEGETATION (PCI/KG WET)1-131 CS-134 CS-137 BALA 140 60 43 (0/8)(<23/<57)60 14 (0/8)(<8/<18)80 16 (0/8)(<9/<2 1)N/A 26 (0/8)(<12/<38)N/A 25 (311/311)(19/33)38 (0/2)(<16/<59)12 (0/2)(<5/<18)15 (0/2)(<7/<23)19 (0/2)(<9/<30)25 (8/8)(21/27)53 (0/2)(<50/<57)17 (0/2)(<16/<18)21 (0/2)(<20/<21)30 (0/2)(<22/<38)30 (4/4)(28/33)BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-QUAD 4 INDICATOR BRUCE SINKULAR 1.9 MILES NNW OF SITE BD-209-2 INDICATOR 0 0 0 0 0 DIRECT RADIATION (MILLI-ROENTGEN/QTR.)

TLD-QUARTERLY 319* BD-211-1 also read 30 mrem but the range was (26/32).* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDAs AND THE POSITIVE VALUES FRACTION OF DETECTABLE MEASUREMENTS AT SPECIFIED LOCATIONS IS INDICATED IN PARENTHESES (F)

Intentionally left blank APPENDIX B LOCATION DESIGNATION, DISTANCE & DIRECTION, AND SAMPLE COLLECTION

& ANALYTICAL METHODS TABLE B-1: Radiological Environmental Monitoring Program -Sampling Locations, Distance and Direction, Braidwood Station, 2006 Location Location Description Distance & Direction From Site A- Surface Water BD-10 Kankakee River Downstream (indicator)

5.4 miles

NE BD-25 Kankakee River Upstream (control)

9.6 miles

E BD-38 Main Drainage Ditch (indicator)

1.5 miles

SW BD-40 Braidwood Station Cooling Lake (indicator)

Onsite BD-55 North Pond Fatlan Site (Indicator)

0.6 miles

NE BD-56 South Pond Fatlan Site (indictor)

0.6 miles

NE B- Drinking (Potable)

Water BD-22 Wilmington (indicator)

6.0 miles

NE C Grnund/Well Water BD-13 Braidwood City Hall Well (indicator)

1.7 miles

NNE BD-34 Gibson Well (indicator)

4.7 miles

E BD-35 Joly Well (indicator)

4.7 miles

E BD-36 Hutton Well (indicator)

4.7 miles

E BD-37 Nurczyk Well (indicator)

4.7 miles

E BD-50 Skole Well (indicator)

4.7 miles

E BD-51 Fatlan Well (indicator)

0.6 miles

NE BD-52 Seratt Well (indicator)

0.8 miles

NE BD-53 Phelps Well (indicator)

0.7 miles

E BD-54 Cash Well (indicator)

0.9 miles

NE Mil& -hi-weekly I monthly BD-17 Halpin's Dairy (indicator)

5.5 miles

SSW BD-18 Biros' Farm (control)

8.7 miles

W F. Air Particiulates

/ Air Iodine BD-02 Custer Park (indicator)

5.0 miles

E BD-03 County Line Road (control)

6.2 miles

ESE BD-04 Essex (indicator)

4.8 miles

SSE BD-05 Gardner (indicator)

5.5 miles

SW BD-06 Godley (indicator)

0.5 miles

WSW BD-19 Nearsite NW (indicator)

0.3 miles

NW BD-20 Nearsite N (indicator)

0.6 miles

N BD-21 Nearsite NE (indicator)

0.5 miles

NE F Fish BD-25 Kankakee River, Upstream (control)

5.0 miles

E BD-28 Kankakee River, Discharge (indicator)

5.4 miles

E BD-41 Cooling Lake (indicator) 1.0 mile E G Spdimpnt BD-10 Kankakee River, Downstream (indicator)

5.4 miles

NE BD-57 Circulating Water Blowdown Discharge (indicator)

5.4 miles

E B-1 TABLE B-1: Radiological Environmental Monitoring Program -Sampling Locations, Distance and Direction, Braidwood Station, 2006 Location Location Description Distance & Direction From Site H Food Products Quadrant 1 Quadrant 2 Quadrant 3 Quadrant 4 Control I Clark Farm W.F. Soltwisch Terri Schultz Bruce Sinkular Gorman Farm Fnvirnnm~nf~l rlncim~trv

-TI I'l 3.8 miles ENE 4.5 miles SSE 4.8 miles SSW 1.9 miles NNW 9.0 miles NE rnv'rr)nmantql Dnq'mptn/

-TLD Sate Boundary.BD-101-3 and -4 BD-102-1 and -2 BD-103-1 and -2 BD-104-1 and -2 BD-105-1 and -2 BD-106-1 and -2 BD-107-1 and -2 BD-108-1 and -2 BD-109-1 and -2 BD-1 10-1 and -2 BD-11 la-1 and -2 BD-112-1 and -2 BD-113a-1 and -2 BD-114-1 and -2 BD-115-1 and -2 BD-1 16-1 BD-1 16-2 lntermedioutp Dista nce BD-201-1 and -2 BD-202-1 and -2 BD-203-1 and -2 BD-204-1 and -2 BD-205-1 and -2 BD-206-1 and -2 BD-207-1 and -2 BD-208-1 and -2 BD-209-1 and -2 BD-210-1 and -2 BD-211-1 and -2 BD-212-3 and -4 BD-213-3 and -4 BD-214-1 and -2 BD-215-1 and -2 BD-216-1 and -2 0.5 miles N 1.1 miles NNE 1.0 miles NE 0.7 miles ENE 2.2 miles E 2.5 miles ESE 3.2 miles SE 3.2 miles SSE 3.8 miles S 2.8 miles SSW 1.4 miles SW 0.7 miles WSW 0.5 miles W 0.4 miles WNW 0.3 miles NW 0.4 miles NNW 0.5 miles NNW 4.2 miles N 4.8 miles NNE 4.9 miles NE 4.3 miles ENE 4.0 miles E 4.5 miles ESE 4.5 miles SE 4.5 miles SSE 4.8 miles S 5.3 miles SSW 4.8 miles SW 5.0 miles WSW 4.8 miles W 4.3 miles WNW 4.5 miles NW 4.0 miles NNW 5.0 miles E 4.8 miles SSE 5.5 miles SW 0.5 miles WSW 0.3 miles NW 0.6 miles N 0.5 miles NE Other BD-02-1 and -2 BD-04-1 and -2 BD-05-1 and -2 BD-06-1 and -2 BD-19-1 and -2 BD-20-1 and -2 BD-21-1 and -2 Custer Park (indicator)

Essex (indicator)

Gardner (indicator)

Godley (indicator)

Nearsite NW (indicator)

Nearsite N (indicator)

Nearsite NE (indicator)

B-2 TABLE B-1: Radiological Environmental Monitoring Program -Sampling Locations, Distance and Direction, Braidwood Station, 2006 Location Location Description Distance & Direction From Site I Fnvirnnmpnt;l Dosimetry

-TI Q (cont'd)Control ;nd Sprcial Interest BD-03-1 and -2 Onsite 2 0.3 miles NE B-3 TABLE B-2: Radiological Environmental Monitoring Program -Summary of Sample Collection and Analytical Methods, Braidwood Station, 2006 Sample Analysis Sampling Analytical Procedure Number Medium Method Surface Water Gamma Spectroscopy Monthly composite TBE, TBE-2007 Gamma emitting radioisotope analysis from weekly grab samples. Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy Surface Water Gross Beta Monthly composite TBE, TBE-2008 Gross Alpha and/or gross beta activity from weekly grab in various matrices samples.Env. Inc., W(DS)-O1 Determination of gross alpha and/or gross beta in water (dissolved solids or total residue)Surface Water Tritium Quarterly TBE, TBE-2011 Tritium analysis in drinking water by composite from liquid scintillation weekly grab samples. Env. Inc., T-02 Determination of tritium in water (direct method)Drinking Water Gross Beta Monthly composite TBE, TBE-2008 Gross Alpha and/or gross beta activity from weekly grab in various matrices samples. Env. Inc., W(DS)-O1 Determination of gross alpha and/or gross beta in water (dissolved solids or total residue)Drinking Water Gamma Spectroscopy Monthly composite TBE, TBE-2007 Gamma emitting radioisotope analysis from weekly grab samples. Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy Drinking Water Tritium Quarterly TBE, TBE-201 1 Tritium analysis in drinking water by composite from liquid scintillation weekly grab samples. Env. Inc., T-02 Determination of tritium in water (direct method)Drinking Water Gamma Spectroscopy Quarterly grab TBE, TBE-2007 Gamma emitting radioisotope analysis samples.Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy Ground/well Tritium Quarterly grab TBE, TBE-201 1 Tritium analysis in drinking water by Water samples. liquid scintillation Env. Inc., T-02 Determination of tritium in water (direct method)Fish Gamma Spectroscopy Samples collected TBE-2007 Gamma emitting radioisotope analysis twice annually via electroshocking or Env. Inc., GS-01 Determination of gamma emitters by other techniques gamma spectroscopy B-4 TABLE B-2: Radiological Environmental Monitoring Program -Summary of Sample Collection and Analytical Methods, Braidwood Station, 2006 Sample Analysis Sampling Analytical Procedure Number Medium Method Air Particulates Gross Beta One-week TBE, TBE-2008 Gross Alpha and/or gross beta activity composite of in various matrices continuous air sampling through Env. Inc., AP-02 Determination of gross alpha and/or glass fiber filter gross beta in air particulate filters paper Air Particulates Gamma Spectroscopy Quarterly TBE, TBE-2007 Gamma emitting radioisotope analysis composite of each station Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy Air Iodine Gamma Spectroscopy Biweekly TBE, TBE-2007 Gamma emitting radioisotope analysis composite of continuous air Env. Inc., GS-01 Determination of gamma emitters by sampling through gamma spectroscopy charcoal filter Milk 1-131 Bi-weekly grab TBE, TBE-2012 Radioiodine in various matrices sample May through October. Env. Inc., 1-131-01 Determination of 1-131 in milk by Monthly all other anion exchange times Milk Gamma Spectroscopy Bi-weekly grab TBE, TBE-2007 Gamma emitting radioisotope analysis sample May through October. Env. Inc., GS-01 Determination of gamma emitters by Monthly all other gamma spectroscopy times Food Products Gamma Spectroscopy Annual grab TBE, TBE-2007 Gamma emitting radioisotope analysis samples.Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy TLD Thermoluminescence Quarterly TLDs Global Dosimetry Dosimetry comprised of two Global Dosimetry CaF2 elements.B-5 a TLD Location Figure B-1 Inner Ring TLD Locations of the Braidwood Station, 2006 B-6 0 1 2 3 4 5 w TMLGLCatrift

Air Srplng Laoznn Figure B-2 Fixed Air Sampling and Outer Ring TLD Locations of the Braidwood Station, 2006 B-7 4-IX 7& 1 Ofte I OFFSM~T~ DNST C.A 1XTh1A'110 MAN! AL I .FATDWO(C1)

STA7TIO I 0 ¶ 4 5 L. 4~ItIdem FIGURE 11-3 C flW.,71Otl A"O WVATFRRR~fNE EUR PATRWAY SAMPLE LOATIONS 0 ~Vbr~ Sediment* urh X MIlk Figure B-3 Ingestion and Waterborne Exposure Pathway Sample Locations of the Braidwood Station, 2006 B-8 APPENDIX C DATA TABLES AND FIGURES PRIMARY LABORATORY TABLE C-I.1 CONCENTRATIONS OF GROSS BETA IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA COLLECTION PERIOD JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC BD-10 BD-25 BD-40 4.5 +/-5.4 +/-5.4 +/-4.4 +/-4.8 +/-5.5 +/-8.2 +/-7.9 +/-4.6 +/-5.5 +/-5.3 +/-4.5 +/-1.9 1.8 1.9 2.0 2.2 2.2 2.3 2.1 2.0 1.7 2.0 2.0 5.6 +/-6.4 +/-5.7 +/-5.2 +/-2.7 +/-4.8 +/-7.0 +/-3.7 +/-7.2 +/-7.2 +/-6.3 +/-5.7 +/-2.1 2.0 2.0 1.9 1.9 2.1 2.3 1.8 2.2 1.8 2.1 2.1 9.9 +/- 2.2 (1)11 +/- 2.7 9.9 +/- 2.7 MEAN 5.5 +/- 2.5 5.6 +/- 2.7 10 +/- 0.7 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION c-1 TABLE C-1.2 CONCENTRATIONS OF TRITIUM IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA COLLECTION PERIOD APR-JUN JUL-SEP OCT-DEC BD-10 BD-25< 174< 184< 184* 173< 185< 180 COLLECTION PERIOD 03/16/06 (1)03/23/06 03/30/06 04/06/06 04/13/06 04/20/06 04/27/06 05/04/06 05/11/06 05/18/06 05/25/06 06/01/06 06/08/06 06/15/06 06/22/06 06/29/06 07/06/06 07/13/06 07/20/06 07/27/06 08/03/06 08/10/06 08/17/06 08/24/06 08/31/06 09/07/06 09/14/06 09/21/06 09/28/06 10/05/06 10/05/06 10/13/06 10/19/06 10/26/06 11/02/06 11/09/06 11/16/06 11/22/06 11/30/06 12/07/06 12/14/06 12/21/06 12/28/06 BD-38 398 +/- 137 256 +/- 110 177 +/- 110 232 +/- 111 199 +/- 121 184 +/- 121 310 +/- 128* 175* 175< 182 202 +/- 115 252 +/- 111< 184< 185< 191 227 +/- 118 342 +/- 117< 191< 179< 179 248 +/- 122 220 +/- 121< 178< 175< 181< 177< 172< 169< 172< 139 NA< 168 344 +/- 128< 176< 163< 166 312 +/- 116< 165< 176< 167< 167< 190< 157 BD-40< 180* 176< 177< 174 224 +/- 124 (c)186 +/- 42 MEAN 183 +/- 13 182 +/- 14 208 +/- 121 (c) ý COMPOSITE 10/05/06 -12/28/06 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION C-2 TABLE C-1.3 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA STC COLLECTION MN-54 PERIOD BD-10 JAN < 3 FEB < 4 MAR < 2 APR < 2 MAY < 2 JUN < 2 JUL < 1 AUG < 1 SEP < 2 OCT < 1 NOV < 3 DEC < 3 MEAN 2+/- 2 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA-140 LA-140<4<4<3<3<2<2<1<2<2<1<3<3<8<9< 6<6<5<5<3<4<4<2<6<6<4<4<3<2<1<2<1<1<2<1<4<2<8< 10<5<5<3<5<2<3<3<1<5<5<4<4<3<3<2<2<1<2<2<1<3<3<7<8<4<5<3<4<3<3<3<1<6<5< 15< 14< 12< 11< 11<9< 12< 14<8<7<9< 15<4<4<2<2<2<2<1<1<2<1<3<2<3<4<2<2<1<2<1<1<2<1<3<3< 28< 28< 22< 21< 34< 18< 18< 20< 16< 10< 21< 25< 10<9<8<7< 11<6<6<7<4<3<7< 10 S 2+/- 2 5+/- 4 2+/- 2 5+/- 5 2+/- 2 4+/- 4 12+/- 5 2+/- 2 2+/- 2 22+/- 13 7+/- 5 BD-25 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC<3<4<2<3<1<2<1<1<2<1<1<2<4<4<3<3<1<2<2<2<2<1<1<2<8< 10<6<6<2<4<4<4<5<2<2<6<3<4<2<2<1<2<1<1<2<1<0<2<7<9<6<6<2<4<3<3<4<1<1<4<4<4<3<3<1<2<2<2<2<1<1<3<6<8<5<5<2<4<3<3<4<1<1<5< 14< 14< 13< 15< 15<8< 15< 14<9<7< 14< 12<4<4<3<3<1<2<1<1<2<1<0<2<3<4<3<3<1<2<1<2<2<1<0<2< 28< 29< 24< 25< 16< 15< 20< 22< 17<9< 14< 25< 10<9<8<8<6<6<6<6<5<3<5<8 MEAN S2+/- 2 2+/- 2 5+/- 5 2+/- 2 4+/- 5 2+/- 2 4+/- 4 12+/- 6 2+/- 2 2+/- 2 20+/- 12 7+/- 4 TABLE C-I.3 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA STC COLLECTION MN-54 PERIOD CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA-140 LA-140 PERIOD BD-40 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN (1)<1<4<2<1<4<2<2<8<4<1 <2 <1 <2<5 <9 <5 <7<3 <4 <2 <4<8< 14< 12<1<4<2<1<4<2< 11< 30< 20<4<9<6 2+/-3 2+/-3 5+/-6 3+/-5 5+/-7 3+/-4 4+/-5 11+/-6 2+/-3 2+/-3 20+/-19 6+/-5 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION TABLE C-I1.1 CONCENTRATIONS OF GROSS BETA IN PUBLIC WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA COLLECTION PERIOD BD-22 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN< 2.4 4.6 3.4 3.2 3.2+/- 1.8+/- 1.8+/- 1.8+/- 1.7 3.6 +/- 1.8 2.9 4.9 3.9+/- 1.6+/- 1.8+/- 1.7 4.6 +/- 1.6 3.6 +/- 1.6 5.2 +/- 1.6 3.8 +/- 1.7 TABLE C-II.2 CONCENTRATIONS OF TRITIUM IN PUBLIC WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA COLLECTION PERIOD JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC BD-22< 174< 189< 175< 175< 169< 167< 182< 174< 171 210 + 126< 166< 158 MEAN 176 +/- 27 C-5 TABLE C-11.3 CONCENTRATIONS OF GAMMA EMITTERS IN PUBLIC WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/L +/- 2 SIGMA STC COLLECTION PERIOD BD-22 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MN-54 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 1-131 CS-134 CS-137 BA-140 LA-140<2<5<3<2<1<1<1<4<6<4<1<4<2<5<3<3<2<2<1<5<6<4<1<4<6< 10< 10<5<5<4<2< 10< 14< 10<2< 10<2<5<3<2<1<1<1<5< 6<4<1<5<5< 13<6<5<3<3<1< 10< 11<9<2< 12<3<6<4<2<2<2<1<5<6<5<1<5<4< 10<6<4<3<3<1<8< 10<7<2<8 10 15 12 12 7 14 14 12 11 13 6 14<2<7<2<2<1<1<1<4<5<4<1<4<2<6<3<2<1<1<1<4<6<4<1<5< 39< 35< 105 (1)< 22< 74 (1)< 19< 14< 26< 29< 27<9< 27< 15< 10< 37 (1)<8< 23 (1)<6<4< 10< 11<8<3< 10 (I MEAN 3 +/-4 3 +/-4 7 +/-7 3+/-4 7 +/-8 3 +/-4 6 +/-6 12+/-6 3+/-4 3+/-4 36 +/- 55 12+/-19 (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION TABLE C-II1.1 CONCENTRATIONS OF TRITIUM IN GROUND/WELL WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA COLLECTION PERIOD BD-13 BD-34 BD-35 BD-36 BD-37 JAN-MAR APR-JUN JUL-SEP OCT-DEC< 175< 173< 176< 173<154< 186< 174< 169< 153< 182< 173< 173 396 +/- 121 < 153 393 +/- 132 261 +/- 120 378 +/- 118< 185< 173< 173 MEAN 174 +/- 3 171 +/- 27 170 +/- 25 357 +/- 129 171 +/- 27 C-7 TABLE C-1II.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDIWELL WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/L +/- 2 SIGMA STC COLLECTION PERIOD BD-13 JAN APR JUL OCT MN-54 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 CS-1 34 CS-137 BA-140 LA-140<8<5<3<1< 8<5<3<2< 14< 12<7<4<8<5<3<1< 18< 11<7<3<7<5<3<2< 11<9<6<3<9<6<3<1<8<5<3<2 29 33 25 18< 12< 10<9<6 MEAN 4+/-5 4+5 9 9 4+/-5 10+/-13 4+/-5 7+/-7 5+/-7 4+/-5 26 +/-13 9+/-5 BD-34 JAN APR JUL OCT<6<5<3<1<6<6<3<1< 11< 13<7<4<6<6<4<1< 19< 11<7<3<7<5<3<2< 11<8<6<3 8 5 3 1<6<6<3<1 28 32 27 19<9< 11< 10<6 MEAN 4+4 4+5 9 8 4 4 10+/-13 4 4 7 7 4 6 4+/- 5 26 + 11 9+/-5 00 BD-35 JAN APR JUL OCT<8<4<2<1<8<4<2<2< 16<9<6<4<8<4< 2<1< 22<9<5<3<9<5<3<2< 14<8<5<3 13 5 2 1<9<4<2<2< 39< 28< 20< 19< 12<9<7<6 MEAN 4 +/-6 4 +/-6 9 +/- 11 4 +/-6 10 +/- 17 5 +/-7 8 10 5 +/- 11 4+/- 7 26 +/- 18 8+/-5 BD-36 JAN APR JUL OCT<8<4<2<1<7<5<2<1< 14<9<6<3<8<4<2<1< 20< 10<5<2 8 5 3 1< 13<8<4<2< 12<5<2<1<8<5<2<1< 32< 28< 20< 16< 10<9<6<4 MEAN 4+/-6 4+5 8 10 4 6 9+/-15 4 +/-6 7 +/-9 5+/-9 4+/- 6 24 +/-15 7+/-6 TABLE C-III.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUND/WELL WATER SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/L +/- 2 SIGMA STC COLLECTION PERIOD BD-37 JAN APR JUL OCT MN-54 CO-58 FE-59 CO-60 ZN-65 NB-95 ZR-95 CS-134<7<5<2<1<7<5<3<2< 15< 11<6<4<6<5<2<1 17 12 5 3<7<6<3<2< 12< 10<4<3< 10<6<3<1 CS-137 BA-140<8 <31<5 <31<2 <17<2 <20 LA-140< 12< 10<6<7 MEAN 4+/-5 4+/-5 9 +/- 10 4+/-4 9+/-12 4+/-5 7+/-9 5+/-7 4+/-6 25 +/- 15 9+/-5 TABLE C-IV.1 CONCENTRATIONS OF GAMMA EMITTERS IN FISH SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA COLLECTION PERIOD MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 CS-137 BALA-140 STC BD-25 Golden Redhorse Channel Catfish Channel Catfish Golden Redhorse BD-28 Channel Catfish Common Carp Golden Redhorse Smallmouth Bass BD-41 Common Carp Largemouth Bass 05/04/06 05/04/06 10/03/06 10/03/06< 48< 40< 40< 49< 53< 47< 49< 79< 105< 97< 132< 150< 47< 37< 38< 49< 106< 97< 98< 89< 50< 51< 64< 90< 48< 45< 36< 45< 43< 43< 36< 48< 130< 135< 324< 541 MEAN 44 +/- 10 57 +/- 30 121 +/- 49 43 +/- 12 97 +/- 14 64 +/- 37 44 +/- 10 42 +/- 10 283 +/- 389 (i~0 05/04/06 05/04/06 10/03/06 10/03/06 MEAN (1)10/03/06 10/03/06< 50< 58< 48< 67< 57< 65< 69< 77< 128< 120< 154< 176< 48< 53< 53< 60< 134< 142< 107< 121< 57< 66< 54< 98< 58< 64< 44< 58< 51< 55< 48< 59< 137< 142< 473< 406 56 +/- 17 67 +/- 16 145 +/- 51 53 +/- 10 126 +/- 31 69 +/- 40 56 +/- 17 53 +/- 9 290 +/- 351< 46< 71< 64< 76< 183< 194< 45< 92< 106< 174< 84< 92< 47< 63< 43< 83< 453< 253 MEAN 59 +/- 34 70 +/- 16 189 +/- 16 68 +/- 67 140 +/- 96 88 +/- 11 55 +/- 23 63 +/- 57 353 +/- 283 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION TABLE C-V.1 STC BD-10 COLLECTION PERIOD 05/04/06 10/26/06 MEAN CONCENTRATIONS OF GAMMA EMITTERS IN SEDIMENT SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/KG DRY +/-2 SIGMA MN-54 CO-58 FE-59 CO-60 ZN-65< 135 < 146 < 319 < 122 < 321< 95 < 105 < 227 < 84 < 226 115 t 57 126 +/- 58 273 +/- 130 103 +/- 54 274 +/- 134 ZRNB-95< 144< 112 128 +/- 45 CS-134< 135< 83.1 109 +/- 73 CS-1 37< 137 142 +/- 80 140 +/- 7 BALA-140< 325< 277 301 +/- 68 TABLE C-VI.1 CONCENTRATIONS OF GROSS BETA IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF E-3 PCI/CU METER +/-SIGMA GROUP I WEEK 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 MEAN BD-06 21 +/- 4 21 +/- 4 18 +/- 4 18 +/- 4 15 +/- 4 21 +/- 5 18 +/- 4 26 +/- 5 23 +/- 4 17 +/- 4 20 +/- 5 16 +/- 4 14 +/- 4 18 +/- 4 17 +/- 4 14 +/- 4 13 +/- 4 15 +/- 4 12 +/- 4 7+/-3 14 +/-4 22 +/-4 16 +/-4 8+/-4 21 +/-4 12 +/- 4 26 +/- 5 20 +/- 4 24 +/- 5 17 +/- 4 25 +/- 5 23 +/- 5 23 +/- 5 35 +/- 5 22 +/- 5 18 +/- 4 19 +/- 5 19 +/- 4 15 +/- 4 24 +/- 4 13 +/- 4 16 +/- 5 24 +/- 4 17 +/- 4 31 +/- 5 20 +/- 4 28 +/- 6 21 +/- 4 35 +/- 5 32 +/- 5 25 +/- 4 30 +/- 5 BD-19 BD-20 19 +/- 4 22 +/- 4 26 +/- 5 17 +/- 4 15 +/- 4 16 +/- 4 16 +/- 4 20 +/- 4 24 +/- 4 15 +/- 4 19 +/- 4 14 +/- 4 10 +/- 4 16 +/- 4 19 +/- 4 18 +/- 4 14 +/- 4 14 +/- 4 15 +/- 4<5 15 +/- 4 24 +/- 5 17 +/- 4 7+/-4 20 +/-4 9+/-4 27 +/-5 15 +/-4 31 5 17 +/-4 25 +/-5 24 +/-5 20 +/-4 34 +/-5 26 +/-5 22 +/-4 19 +/- 5 18 +/- 4 17 +/- 4 24 +/- 4 12 +/- 3 21 +/- 5 18 +/- 4 15 +/- 4 25 +/- 5 18 +/- 4 31 +/- 6 23 +/- 4 15 +/- 4 38 +/- 5 23 +/- 4 33 +/- 5 21 21 13 10 15 15 26 22 13 14 17 8 17 21 15 15 17 12 5 14 19 16 9 23 13 28 19 24 19 31 21 18 34 28 19 19 15 15 27 16 20 25 15 32'22 25 18 35 32 26 30+/-4+/-5+/-4+/-4+/-4+/-4+/-5+/-4+/-4+/-4+/-5+/-4+/-4+/-4+/-4+/-4+/-4+/-4+/-3+/-4+/-4+/-4+/-4+/-4+/-4+/-5+/-4+/-5+/-4+/-5+/-4+/-4+/-5+/-5+/-4+/-5+/-4+/-4+/-5+/-4+/-5+/-5+/-4+/-5+/-5+/-6+/-4+/-5+/-5+/-5+/-5 BD-21 19 +/- 4 20 +/- 4 21 +/- 5 19 +/- 4 18 +/- 4 15 +/- 4 20 +/- 4 25 +/- 5 22 +/- 4 16 +/- 4 14 +/- 4 15 +/- 4 9+/-4 15 +/-4 23 +/-4 15 +/-4 12 +/-4 12 +/-4 17 +/-4<5 15 +/-4 19 +/-4 14 +/-4 8+/-4 20 +/-4 10 +/-4 24 +/-4 19 +/-4 30 +/-5 17 +/- 4 25 +/- 5 19 +/- 4 21 +/- 4 33 +/- 5 26 +/- 5 22 +/- 4 20 +/- 5 17 +/- 4 17 +/- 4 24 +/- 5 14 +/- 4 20 +/- 5 18 +/- 4 19 +/- 5 29 +/- 5 20 +/- 5 25 +/- 6 19 +/- 4 37 +/- 5 33 +/- 5 27 +/- 5 34 +/- 5 BD0-02 19 +/- 4 24 +/- 4 23 +/- 5 17 +/- 4 16 +/- 4 17 +/- 4 18 +/- 4 23 +/- 5 22 +/- 4 12 +/- 4 18 +/-4 17 +/-4 10 +/-4 17 +/-4 21 +/-4 15 +/- 4 13 +/- 4 16 +/- 4 13 +/- 4<5 14 +/- 4 14 +/- 4 16 +/- 4 9+/-4 22 +/-4 15 +/-4 25 +/-4 15 +/-4 26 +/-5 21 +/-4 29 +/- 5 22 +/- 5 26 +/- 5 30 +/- 5 25 +/- 5 22 +/- 4 16 +/- 4 21 +/- 4 18 +/- 4 21 +/- 4 14 +/- 4 20 +/- 5 20 +/- 4 18 +/- 4 31 +/- 5 15 +/- 4 24 +/- 6 22 +/- 4 34 +/- 5 32 +/- 5 25 +/- 5 35 +/- 5 GROUP 11 BD-04 18 +/- 4 24 +/- 4 18 +/- 4 11 +/-4 13 +/-4 17 +/-5 23 +/-5 26 +/-5 23 +/-4 13 +/-4 18 +/-4 16 +/-4 11 +/-4 14 +/- 4 17 +/-4 15 +/-4 17 +/-4 17 +/-4 14 +/-4 6+/-3 15 +/-4 18 +/-4 18 +/-4 7+/-4 22 +/-4 15 +/-4 27 +/-5 19 +/- 4 25 +/- 5 22 +/- 4 26 +/- 5 26 +/- 5 18 +/- 4 33 +/- 5 25 +/- 5 18 +/- 4 19 +/- 5 15 +/- 4 16 +/- 4 22 +/- 4 13 +/- 4 17 +/- 5 22 +/- 4 17 +/- 4 31 +/- 5 19 +/- 4 28 +/- 6 21 +/- 4 37 +/- 6 41 +/- 7 27 +/- 5 35 +/- 5 BDJ-05 20 +/- 4 20 +/- 4 25 +/- 5 16 +/- 4 17 +/- 4 17 +/- 4 18 +/- 4 30 +/- 5 24 +/- 4 15 +/- 4 16 +/- 4 14 +/- 4 11 +/-4 19 +/-4 18 +/-4 15 +/-4 14 +/-4 18 +/-4 15 +/-4 6+/-3 14 +/-4 25 +/-5 20 +/-4 10 +/-4 18 +/-4 11 +/-4 23 +/- 4 16 +/- 4 28 +/- 5 24 +/- 5 24 +/- 5 22 +/- 5 24 +/- 4 27 +/- 5 21 +/- 5 18 +/- 4 18 +/- 5 15 +/- 4 16 +/- 4 26 +/- 5 12 +/- 3 17 +/- 5 25 +/- 5 16 +/- 4 26 +/- 5 21 +/- 5 26 +/- 6 23 +/- 4 32 +/- 5 35 +/- 5 25 +/- 5 26 +/- 5 IGROUP III BD-03 18 +/- 4 23 +/- 4 15 +/- 4 14 +/- 4 17 +/- 4 17 +/- 4 20 +/- 4 27 +/- 5 25 +/- 5 15 +/- 4 19 +/- 5 9+/-4 8+/-4 15 +/-4 22 +/-4 14 +/-4 13 +/-4 14 +/-4 13 +/-4 5+/-3 13 +/-4 20 +/-4 16 +/-4 9+/-4 22 +/-4 13 +/-4 26 +/-5 16 +/-4 23 +/-5 18 +/-4 24 +/-5 20 +/-4 20 +/- 4 28 +/- 5 21 +/- 5 16 +/- 4 15 +/- 4 15 +/- 4 15 +/- 4 21 +/- 4 17 +/-4 14 +/-4 22 +/-4 16 +/-4 27 +/-5 21 +/-5 25 +/-6 18 +/- 4 28 +/- 5 34 +/- 5 19 +/- 4 24 +/- 5 20 +/-12 20 +/-13 20 +/-14 20 +/-13 20 +/-13 20 +/-14 20 +/-12 18+/-t11* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDA AND POSITIVE VALUES C -12 TABLE C-VI.2 MONTHLY AND YEARLY MEAN VALUES OF GROSS BETA CONCENTRATIONS (E-3 PCI/CU METER) IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 GROUP I -NEAR FIELD LOCATIONS GROUP II -FAR FIELD LOCATIONS GROUP III -CONTROL LOCATIONS COLLECTION MIN. MAX. MEAN +PERIOD 2 SD COLLECTION PERIOD 12/29/05 -02/02/06 02/02/06 03/02/06 03/02/06 -03/30/06 03/30/06 -04/27/06 04/27/06 -06/01/06 06/01/06 -06/29/06 06/29/06 -07/27/06 07/27/06 -08/31/06 08/31/06 -09/28/06 09/28/06 -11/02/06 11/02/06 -11/30/06 11/30/06 -12/28/06<MIN. MAX. MEAN+/-2 SD 10 26 19 +/- 7 15 26 20 +/- 8 8 20 14 +/- 7 12 23 16 +/- 6 5 24 14 +/- 11 7 23 14 +/- 10 15 31 22 +/- 10 18 35 26 +/- 10 15 22 18 +/- 4 12 27 19 +/- 9 18 32 24 +/- 10 15 38 30 +/- 12 12/29/05 02/02/06 03/02/06 03/30/06 04/27/06 06/01/06 06/29/06 07/27/06 08/31/06 09/28/06 11/02/06 11/30/06 U21UL/UO 03/02/06 03/30/06 04/27/06 06/01/06 06/29/06 07/27/06 08/31/06 09/28/06 11/02/06 11/30/06 12/28/06 COLLECTION PERIOD<MIN. MAX. MEAN +/-2 SD 11 25 19 +/- 8 17 30 22 +/- 8 10 18 14 +/- 6 13 21 16 +/- 4 5 25 14 +/- 11 7 22 15 +/- 10 15 28 22 +/- 8 18 33 25 +/- 7 15 22 18 +/- 4 12 26 19 +/- 8 15 31 24 +/- 9 25 41 32 +/- 10 I 12/29/05 02/02/06 03/02/06 03/30/06 04/27/06 06/01/06 06/29/06 07/27/06 08/31/06 09/28/06 11/02/06 11/30/06 02/02/06 03/02/06 03/30/06 04/27/06 06/01/06 06/29/06 07/27/06 08/31/06 09/28/06 11/02/06 11/30/06 12/28/06 14 17 8 13 5 9 16 20 15 14 18 19 23 27 19 22 20 22 26 28 16 22 27 34 17 +/- 7 22 +/- 9 13 +/- 11 16 +/- 8 13 +/- 11 15 +/- 11 21 +/- 9 23 +/- 6 15 +/- 1 18 +/- 7 23 +/- 8 26 +/- 13 C.12/29/05 -12/28/06 < 5 38 20 +/- 10 12/29/05 -12/28/06<5 41 20 +/- 11 12/29/05 -12/28/06 5 34 18 +/- 9* THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING BOTH THE MDA AND POSITIVE VALUES TABLE C-VI.3 CONCENTRATIONS OF GAMMA EMITTERS IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF E-3 PCI/CU METER +/- 2 SIGMA STC COLLECTION PERIOD BD-02 12/29/05 -03/30/03/30/06 -06/29/06/29/06 -09/28/09/28/06 -12/28/MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 CS-137 BALA140 06 06 06 06<3<2<3<3< 11<3<4<4< 33< 12< 14< 6.9<4<2<2<2< 18< 5.8< 6.2< 7.6<9<4<4<4<6<2<1<3<4<2<2<3< 169< 80< 222< 18 MEAN 3+/-1 5+/-7 16 + 23 2+/-2 9 +/- 11 5+/-5 3+/-4 3+/-2 122 +/- 181 BD-03 12/29/05 03/30/06 06/29/06 09/28/06 BD-04 12/29/05 03/30/06 06/29/06 09/28/06 BD-05 12/29/05 03/30/06 06/29/06 09/28/06-03/30/06-06/29/06-09/28/06-12/28/06<4<3<2<3<7<5<3<4< 18< 11< 6.1<9<7<2<2<5< 20<6< 4.8< 9.2< 11<4<3<5<6<3<1<4<5<3<1<3< 304< 96< 117< 21 MEAN 3+/-2 5+/-3 11 +/- 10 4+/-4 10 +/- 14 6+/- 7 4+/-4 3+/-3 134 +/- 241-03/30/06-06/29/06-09/28/06-12/28/06 MEAN-03/30/06-06/29/06-09/28/06-12/28/06<6<3<2<3< 8<5<4<3< 22< 15< 16< 7.9<5<3<3<3< 12<8< 6.8< 7.4<9<5<5<3<5<4<2<3<4<3<2<3< 304< 92< 187< 19 4+/-3 5+/-5 15 +/- 12 4+/- 2 9+/-5 5+/-5 3+/-3 3+/-1 151 +/- 246<6<4<2<2<7<5<4<3< 31< 14< 15< 7.1<5<3<2<3< 13< 8.1< 4.7<7< 11<6< 4<4<6<4<2<3<4<3<2<2< 373< 114< 220< 21 MEAN 3 +/-4 5 +/-4 17 +/- 20 3+/-3 8+/-7 6+/-7 4 +/-3 3 +/-1 182 +/- 302 TABLE C-VI.3 CONCENTRATIONS OF GAMMA EMITTERS IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF E-3 PCI/CU METER +/- 2 SIGMA STC COLLECTION PERIOD BD-06 12/29/05 -03/30/06 03/30/06 -06/29/06 06/29/06 -09/28/06 09/28/06 -12/28/06 MN-54 CO-58 FE-59 CO-60 ZN-65 NB-95 CS-134 CS-137 BALA140<4<2<2<2<8<3<4<3< 35< 10< 13< 6.6<4<2<2<3< 14< 4.8< 5.5< 5.6<7<4<5<3<4<3<2<3<3<3<2<2< 244< 79 (1)< 15 BD-19 12/29/05 03/30/06 06/29/06 09/28/06 BD-20 12/29/05 03/30/06 06/29/06 09/28/06 BD-21 12/29/05 03/30/06 06/29/06 09/28/06 MEAN 03/30/06 06/29/06 09/28/06 12/28/06 MEAN 03/30/06 06/29/06 09/28/06 12128/06 2+/-2 5+/-5 16 +/- 25 3 +1 7+/-9 5+/-3 3+/-1 2+/-1<3<3<1<2<4<5<2<3< 27< 12< 10< 8.3<3<2<1<3< 9.5< 6.9<4< 7.1<9<6<4<4<4<3<1<3<3<3<1<2< 174< 83< 117< 15 113 +/- 236 3+/-2 3+/-3 14 +/- 17 2+/-2 7+/-4 6+/-5 3 +/-2 2+/-1 97 +/- 133<3<4<2<2<8<6<4<4< 25< 17< 15< 7.3<5<4<3<3< 9.1< 9.8<7< 7.5<7<6<4<3<5<4<2<3<4<4<2<2< 176< 122 (1)< 21 MEAN 3+/-2 5+/-4 16 +/- 15 3 +/-2 8 3 5+/-4 3+/-2 3 +/-2 106,+/- 157 03/30/06 06/29/06 09/28/06 12/28/06 MEAN<4<4<2<3<8<4<3<3< 19< 20< 12< 7.2<4<4<2<2< 6.6< 7.7< 3.2< 5.7<8<7<4<3<4<5<2<3<3<4<2<3< 246< 121< 128< 19 3+/-2 5+4 14 +/- 12 3+2 6+/-4 5+/-5 3 +/-2 3 +/-1 129 +/- 185 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION TABLE C-VII.1 CONCENTRATIONS OF 1-131 IN AIR IODINE SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF E-3 PCI/CU METER +/- SIGMA GROUP I I GROUP II I GROUP III WEEK BD-06 BD-19 BD-20 BD-21 BD-02 BD-04 BD-05 BD-03 1 2 < 29 3 4 < 23 5 6 7< 24 8 < 22 9 10 < 14 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52< 16< 23< 42< 50< 46< 60< 56< 66< 56< 54< 59< 60< 54< 36< 62< 62< 63< 60< 51< 68< 27< 46< 31< 44< 61< 64< 70< 26< 25< 53< 20< 46< 63< 55< 41< 26< 59< 15< 38< 29 (1)< 30< 23< 24< 22< 19< 11< 23< 45< 36< 46< 60< 54< 66< 60< 54< 58< 60< 37< 36< 62< 62< 65< 60< 50< 68< 35< 44< 31< 44< 61< 64< 67< 27< 25< 53< 21< 35< 64< 55< 48< 26< 66< 15< 37< 29< 30< 23< 24< 22< 19< 18< 23< 45< 48< 46< 39< 36< 66< 60< 54< 58< 60< 39< 36< 60< 62< 63< 62< 50< 68< 35< 44< 31< 44< 61< 65< 38< 27< 25< 53< 21< 35< 64< 55< 48< 26< 68< 15< 38< 29< 30< 23< 23< 22< 19< 16< 15< 45< 48< 46< 58< 54< 66< 60< 54< 60< 32< 38< 36< 62< 60< 64< 62< 50< 68< 32< 44< 31< 45< 61< 65< 67< 27< 14< 53< 21< 35< 64< 55< 49< 26< 68< 16< 38< 29< 20< 21< 22< 20< 27< 21< 11< 20< 16< 22< 37< 49< 53< 64< 67< 58< 56< 41< 60< 65< 54< 60< 61< 27< 61< 63< 37< 52< 49< 18< 57< 26< 68< 65< 69< 29< 66< 40< 54< 25< 58< 36< 41< 24< 59< 17< 48< 25< 16< 22< 37< 49< 53< 64< 67< 59< 56< 41< 60< 66< 43< 60< 61< 27< 61< 64< 37< 51< 49< 33< 57< 27< 68< 66< 54< 29< 25< 40< 54< 46< 58< 37< 41< 24< 50< 22< 48< 25< 21 < 21< 27< 21< 22< 20< 21< 16< 22< 38< 49< 53< 64< 69< 59< 56< 41< 61< 66< 54< 60< 62< 28< 61< 51< 38< 51< 46< 33< 57< 27< 68< 66< 54< 29< 66< 40< 54< 46< 58< 37< 23< 24< 59< 17< 39< 25< 26< 16< 22< 20< 21< 16< 22< 37< 49< 53< 64< 67< 59< 56< 41< 58< 65< 54< 60< 61< 27< 61< 64< 37< 51< 49< 33< 57< 27< 68< 66< 54< 29< 62< 39<54< 46< 58< 36< 41< 24< 59< 17< 48< 25 MEAN 44 +/- 34 44 +/- 34 43 +/-32 43 +/-35 44 +/-35 43 +/-33 44 +/- 34 44+/- 33 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION C-16 TABLE C-VIII.1 CONCENTRATIONS OF 1-131 IN MILK SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA COLLECTION PERIOD 01/05/06 02/02/06 03/02/06 04/06/06 05/05/06 05/19/06 06/02/06 06/16/06 06/30/06 07/14/06 07/28/06 08/10/06 08/25/06 09/08/06 09/22/06 10/06/06 10/19/06 11/03/06 12/07/06 CONTROL FARM BD-18 I INDICATOR FARM BD-17< 0.6< 0.4< 0.6< 0.3< 0.7< 0.6< 0.6< 1.0< 2.9 (1)< 0.6< 0.8< 0.3< 0.7< 0.3< 0.5< 0.3< 0.7< 0.7< 0.3< 0.6< 0.4< 0.5< 0.3< 0.9< 0.4< 0.5< 1.2< 4.4< 0.7< 0.8< 0.5< 0.6< 0.4< 0.6< 0.5< 0.8< 0.7< 0.3 (1)(1)MEAN 0.7 +/- 1.13 0.8 +/- 1.81 (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-17 TABLE C-VIII.2 CONCENTRATIONS OF GAMMA EMITTERS IN MILK SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA STC COLLECTION PERIOD BD-17 01/05/06 02/02/06 03/02/06 04/06/06 05/04/06 05/18/06 06/01/06 06/15/06 06/29/06 07/13/06 07/27/06 08/10/06 08/24/06 09/07/06-09/21/06 0o 10/05/06 10/19/06 11/02/06 12/07/06 MN-54 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 CS-137 BA-140 LA-140<4<8<9<9<8<8<7<8<7<7<7<7<6<8<6<4<6<3<6<5<7<8< 10<9< 11<7<8<8<6<7<6<7<7<8<5<6<3<8<8< 18< 19< 24< 19< 21< 17< 18< 23< 18< 18< 15< 16< 17< 16< 14< 13<8< 14<5<8<9< 11<8< 11<7< 10<9<6<9<7<8<8<9<6<5<4<8*<10< 21< 23< 24< 21< 25< 18< 21< 21< 18< 17< 18< 15< 19< 20< 13< 12<8< 17<4<8<9< 10< 10< 11<8<9<8<8<8<8<7<8< 10<6<6<4<8<3< 10< 10< 10<8< 10<7<7<9<7<6<6<7<7<7<5<4<3<7<5<7<9< 11<8< 11<7<9<9<7<7<7<7<7<8<5<5<3<5< 16< 32< 40< 46< 47< 44< 41< 40< 49< 45< 42< 44< 37< 43< 40< 57< 42< 28< 43<5<11< 14< 14< 14< 14< 15< 14< 14< 14< 11< 14< 14< 13< 11< 14< 15<9<8 MEAN 7 +/- 3 7 7 4 17 +/-8 8 +/-4 18 +/-9 8 +/-4 7 +/- 4 7 +/- 4 41 +/- 17 13 +/- 5 TABLE C-VIII.2 CONCENTRATIONS OF GAMMA EMITTERS IN MILK SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/LITER

+/- 2 SIGMA STC COLLECTION MN-54 PERIOD BD-18 01/05/06 < 8 02/02/06 < 8 03/02/06 < 6 04/06/06 < 8 05/05/06 < 8 05/19/06 < 8 06/02/06 < 7 06/16/06 < 10 06/30/06 < 5 07/14/06 < 6 07/28/06 < 6 08/10/06 < 7 08/25/06 < 6 09/08/06 < 6 09/22/06 < 7 10/06/06 < 5 10/19/06 < 5 11/03/06 < 6 12/07/06 < 6 CO-58 FE-59 CO-60 ZN-65 ZRNB-95 CS-134 CS-137 BA-140 LA-140< 19< 20< 16< 17< 20< 21< 19< 23< 12< 17< 18< 15< 13< 16< 15< 16< 14< 14< 17<9<9<7<8<9<9<8< 12<6<7<6<7<7<5<7<6<6<5<7< 24< 23< 17< 25< 21< 24< 18< 22< 12< 17< 19< 15< 12< 17< 15< 10< 14< 12< 16<9<9<7< 10< 10<9<8< 11<5<7<8<6<7<7<9<7<6<6<6< 11< 10<7< 13<8<9<8< 10<5<7<8<6<5<4<7<5<5<5<6<9<9<7<8<8< 10<8< 11<5<7<7<5<5<5<8<5<6<6<6< 38< 44< 33< 41< 51< 43< 44< 38< 27< 44< 37< 36< 33< 39< 29< 49< 40< 43< 42< 10< 10<8< 13< 15< 13< 14< 13<9< 14< 12<9< 13< 13<8< 12< 14< 11<8 7++/-3 7 7+/-3 17 +/-6 7 +/-4 17 +/-9 8 +/-3 7 +/- 5 7 +/- 4 39 +/- 12 11 +/- 5 TABLE C-IX.1 CONCENTRATIONS OF GAMMA EMITTERS IN VEGETATION SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION MN-54 PERIOD CO-58 FE-59 CO-60 i BD-QUAD 1 Cabbage BD-QUAD 1 Onions BD-QUAD 2 Rutabagas BD-QUAD 2 Rutuabaga greens BD-QUAD 3 Broccoli Schultz BD-QUAD 3 Potatoes Schultz BD-QUAD 4 Cabbage BD-QUAD 4 Sweet Potatoes BD-QUAD-C Broccoli BD-QUAD-C Potatoes 09/23/06 09/23/06 MEAN 09/23/06 09/23/06 MEAN 09/09/06 09/09/06 MEAN 09/23/06 09/23/06 MEAN 09/23/06 09/23/06<9< 19 14 +/- 14< 11< 16 14 +/- 7< 20< 12 16 +/- 12< 20< 16 18 +/- 5< 20<6< 10< 16 13 +/- 8<11< 18 14 +/- 9* 14< 14 14 +/- 0<19< 20 19 +/- 2< 21<6< 23< 45 34 +/- 32< 32< 37 35 +/- 7< 52< 29 40 +/- 32< 45< 51 48 +/- 9< 62< 16< 11< 24 17 +/- 18< 11< 19 15 +/- 11< 17< 13 15 +/- 6< 20< 16 18 +/- 6< 21<7 ZN-65< 31< 42 37 +/- 15< 28< 44 36 +/- 23< 48< 31 40 +/- 25< 41< 45 43 +/- 4< 64< 16 ZRNB-95< 11< 20 15 +/- 12< 12< 17 14 +/- 8< 21< 12 17 +/- 13< 17< 18 17 +/- 1< 23<7 CS-1 34<9<14 12 +/-8<8< 15 11+/- 9< 18< 12 15+/- 7< 18< 16 17+/- 3< 18<5 CS-137<9< 17 13 +/- 11< 12< 17 14 +/- 6< 18< 14 16 +/- 6< 21< 20 21 +/- 2< 23<7 BALA140< 12< 34 23 +/- 31< 18< 34 26 +/- 22< 24< 21 22 +/- 4< 38< 22 30 +/- 23< 30<9 MEAN 13 +/- 20 13 +/- 21 39 +/- 65 14 +/- 20 40 +/- 68 15 +/- 23 12 +/- 18 15 +/- 23 19 +/- 30 TABLE C-X.1 QUARTERLY TLD RESULTS FOR BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF MILLI-ROENTGEN/QUARTER

+/- 2 STANDARD DEVIATIONS STATION CODE MEAN+/- 2 S. D.JAN -MAR APR-JUN JUL-SEP OCT-DEC BU-U2-1 BD-02-2 BD-03-1 BD-03-2 BD-04-1 BD-04-2 BD-05-1 BD-05-2 BD-06-1 BD-06-2 BD-1 9-1 BD-19-2 BD-20-1 BD-20-2 BD-21-1 BD-21-2 BD-101-3 BD-101-4 BD-102-1 BD-102-2 BD-103-1 BD-103-2 BD-104-1 BD-104-2 BD-105-1 BD-105-2 BD-106-1 BD-106-2 BD-107-1 BD-107-2 BD-108-1 BD-108-2 BD-109-1 BD-109-2 BD-110-1 BD-110-2 BD-lla-1 BD-11 la-2 BD-112-1 BD-112-2 BD-113a-1 BD-113a-2 BD-114-1 BD-114-2 BD-115-1 BD-115-2 BD-116-1 BD-116-2 BD-201-1 BD-201-2 BD-202-1 BD-202-2 BD-203-1 23,5 25.5 24.8 24.3 24.3 23.0 28,0 26.5 23.3 23.3 24.5 24.3 23.5 25.3 24.0 25.5 24.3 25.0 24.0 25.8 25.0 24.8 22.5 23.3 24.8 25.0 23.3 26.7 24.8 23.5 23.8 24.3 27.3 27.0 24.8 26.3 24.0 26.0 23.8 24.8 24.8 24,5 24.8 24.8 25.5 24.3 25.5 24.5 28.3 24.8 25.0 25.3 23.5+ 4.8+ 5.0+/- 5.3+ 5.0+ 7.0+/- 4.3+/- 4.0+/- 6.2+/- 4.4+/- 7.0+/- 5.8+/- 5.0+/- 5.3+/- 7.5+/- 5.7+/- 3.5+/- 6.8+/- 2.8+/- 5.4+/- 6.8+/- 6.3+/- 1.9+/- 5.8+/- 4.4+/- 8.4+/- 4.3+/- 6.0+/- 3.1+/- 6.4+/- 4.8+ 6.6+/- 5.7+/- 7.0+ 6.7+ 6.8+/- 8.2+/- 5.9+/- 4.9+/- 5.7+/- 6.6+/- 6.8+/- 6.0+/- 6.8+/- 6.8+/- 5.8+/- 7.0+/- 3.8+/- 2.6+/- 5.7+/- 4.4+/- 6.9+/- 6,2+/- 5.8 25 26 26 24 23 23 29 27 24 22 24 24 23 26 26 26 23 26 25 26 24 24 22 22 26 25 22 25 26 24 24 26 26 28 25 25 25 26 24 25 25 26 25 25 25 23 27 25 29 27 26 25 26 (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-21 TABLE C-X.1 QUARTERLY TLD RESULTS FOR BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF MILLI-ROENTGEN/QUARTER

+/- 2 STANDARD DEVIATIONS STATION CODE BD-203-2 BD-204-1 BD-204-2 BD-205-1 BD-205-2 BD-206-1 BD-206-2 BD-207-1 BD-207-2 BD-208-1 BD-208-2 BD-209-1 BD-209-2 BD-210-1 BD-210-2 BD-21 1-1 BD-211-2 BD-212-3 BD-212-4 BD-213-3 BD-213-4 BD-214-1 BD-214-2 BD-215-1 BD-215-2 BD-216-1 BD-216-2 MEAN 2 S.D.23.5 +/- 6.2 23.8 +/- 6.4 22.5 +/- 2.6 23.5 +/- 5.0 23.8 +/- 6.4 26.3 +/- 7.2 25.8 +/- 5.3 24.0 +/- 5.9 23.8 +/- 6.0 24.3 +/- 6.0 23.8 +/- 6.0 28.3 +/- 7.2 30.3 +/- 4.1 29.0 +/- 3.3 25.0 +/- 7.7 30.3 +/- 5.7 30.0 +/- 3.3 24.8 +/- 6.0 28.8 +/- 6.8 23.8 +/- 5.3 23.8 +/- 6.0 25.0 +/- 5.9 25.8 +/- 5.3 24.8 +/- 6.4 22.8 +/- 5.0 25.8 +/- 6.4 26.5 +/- 6.0 JAN -MAR APR-JUN JUL-SEP OCT-DEC 22 25 24 24 25 27 26 22 25 23 23 29 30 29 24 31 30 24 29 25 25 26 28 26 24 27 28 (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C -22 TABLE C-X.2 MEAN QUARTERLY TLD RESULTS FOR THE INNER RING, OUTER RING, OTHER AND CONTROL LOCATIONS FOR BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF MILLI-ROENTGEN/QUARTER

+/- 2 STANDARD DEVIATIONS OF THE STATION DATA STATION CODE SITE BOUNDARY+/-2S. D.INTERMEDIATE DISTANCE OTHER CONTROL JAN-MAR APR-JUN JUL-SEP OCT-DEC 24.8 +/- 2.8 21.0 +/- 2.9 27.3 +/- 2.9 25.9 +/- 3.2 26.1 +/- 4.8 21.7 +/- 5.0 27.7 +/- 5.3 26.7 +/- 4.7 24.9 +/- 3.8 21.0 +/- 3.1 26.6 +/- 3.7 26.0 +/- 3.5 25.0 +/- 2.8 21.0 +/- 0.0 25.0 +/- 0.0 27.0 +/- 0.0 TABLE C-X.3

SUMMARY

OF THE AMBIENT DOSIMETRY PROGRAM FOR BRAIDWOOD STATION, 2006 RESULTS IN UNITS OF MILLI-ROENTGEN/STD.

MONTH LOCATION SITE BOUNDARY INTERMEDIATE DISTANCE OTHER CONTROL SAMPLES PERIOD PERIOD PERIOD MEAN ANALYZED MINIMUM MAXIMUM +/- 2 S. D.127 19 31 24.8 +/- 5.5 128 19 33 25.5 +/- 6.7 56 19 29 24.6 +/- 5.6 8 21 27 24.5 +/- 4.8 SITE BOUNDARY-BD-101-3, BD-101-4, BD-102-1, BD-102-2, BD-103-1, BD-103-2, BD-104-1 BD-104-2, BD-105-1, BD-105-2, BD-106-1, BD-106-2, BD-107-1, BD-107-2, BD-108-1, BD-108-2, BD-109-1, BD-109-2, BD-110-1, BD-110-2, BD-111A-1, BD-111A-2, BD-112-1, BD-112-2, BD-113A-1 BD-113A-2, BD-114-1, BD-114-2, BD-115-1, BD-115-2, BD-116-1, BD-116-2 INTERMEDIATE DISTANCE -BD-201-1, BD-201-2, BD-202-1, BD-202-2, BD-203-1, BD-203-2, BD-204-2, BD-205-1, BD-205-2, BD-206-1, BD-206-2, BD-207-1, BD-207-2, BD-208-1, BD-208-2, BD-209-1, BD-209-2, BD-210-1, BD-210-2, BD-211-1, BD-211-4, BD-212-1, BD-212-4, BD-213-1 BD-213-4, BD-214-1, BD-214-4, BD-215-1, BD-215-4, BD-216-1, BD-216-2 OTHER -BD-02-1, BD-02-2, BD-04-1, BD-04-2, BD-05-1, BD-05-2, BD-06-1, BD-06-2, BD-19-1, BD-19-2, BD-20-1, BD-20-2, BD-21-1, BD-21-2 CONTROL -BD-03-1, BD-03-2 C -23 TABLE C-XI.1 SURFACE WATER

SUMMARY

OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 (TRITIUM LIQUID SCINTILLATION1 COLLECTION PERIOD BD-10 BD-25 JAN-MAR 01/05/06 -03/30/06 01/05/06 -03/30/06 APR-JUN 04/06/06 -06/29/06 04/06/06 -06/29/06 JUL-SEP 07/06/06 -09/28/06 07/06/06 -09/28/06 OCT-DEC 10/05/06 -12/28/06 10/05/06 -12/28/06 SURFACE WATER (GROSS BETA & GAMMA SPECTROSCOPY)

COLLECTION PERIOD BD-10 BD-25 BD-40 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 01/05/06 -01/26/06 02/02/06 -02/23/06 03/02/06 -03/30/06 04/06/06 -04/27/06 05/04/06 -05/25/06 06/01/06 -06/29/06 07/06/06 -07/27/06 08/03/06 -08/31/06 09/07/06 -09/28/06 10/05/06 -10/26/06 11/02/06 -11/30/06 12/07/06 -12/28/06 01/05/06 -01/26/06 02/02/06 -02/23/06 03/02/06 -03/30/06 04/06/06 -04/27/06 05/04/06 -05/25/06 06/01/06 -06/29/06 07/06/06 -07/27/06 08/03/06 -08/31/06 09/07/06 -09/28/06 10/05/06 -10/26/06 11/02/06 -11/30/06 12/07/06 -12/28/06 (1)10/05/06 -10/26/06 11/02/06 -11/30/06 12/07/06 -12/28/06Id' AIA*IrMM ,TOI'lIIIR C fAARS A 0 lCPTAflOt I I COLLECTION PERIOD JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC BD-10 01/05/06 -01/26/06 02/02/06 -02/23/06 03/02/06 -03/30/06 04/06/06 -04/27/06 05/04/06 -05/25/06 06/01/06 -06/29/06 07/06/06 -07/27/06 08/03/06 -08/31/06 09/07/06 -09/28/06 10/05/06 -10/26/06 11/02/06 -11/30/06 12/07/06 -12/28/06 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION C -24 TABLE C-XI.1 1 IMCAPf: IAIATIrD

SUMMARY

OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 ITBITII IEM I IfI ln II"PQ/IErll I ATIVLE'.OU,-.'...

VV/" I ýfl l I I nl.I I Ul dtlI, I OSJIll I EL / II COLLECTION PERIOD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 BD-38 (1)03/09/06 03/16/06 03/23/06 03/30/06 04/06/06 04/13/06 04/20/06 04/27/06 05/04/06 05/11/06 05/18/06 05/25/06 06/01/06 06/08/06 06/15/06 06/22/06 06/29/06 07/06/06 07/13/06 07/20/06 07/27/06 08/03/06 08/10/06 08/17/06 08/24/06 08/31/06 09/07/06 09/14/06 09/21/06 09/28/06 10/05/06 10/13/06 10/19/06 10/26/06 11/02/06 11/09/06 11/16/06 11/22/06 11/30/06 12/07/06 12/14/06 12/21/06 12/28/06 BD-40 (1)07/20/06 08/03/06 09/07/06 10/05/06 -12/28/06 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION C -25 TABLE C-XI.1

SUMMARY

OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 GROUND/WELL WATER (TRITIUM LIQUID SCINTILLATION AND GAMMA SPECTROSCOPY)

COLLECTION PERIOD JAN-MAR APR-JUN JUL-SEP OCT-DEC BD-13 BD-34 BD-35 BD-37 01/12/06 04/20/06 07/14/06 10/13/06 01/12/06 04/13/06 07/13/06 10/13/06 01/12/06 04/13/06 07/13/06 10/13/06 01/12/06 04/13/06 07/13/06 10/13/06 AIR PARTICULATE (GAMMA SPECTROSCOPY)

COLLECTION PERIOD BD-02 BD-03 BD-04 BD-05 BD-06 JAN-MAR 12/29/05 -03/30/06 12/29/05 -03/30/06 12/29/05 -03/30/06 12/29/05 -03/30/06 12/29/05 -03/30/06 APR-JUN 03/30/06 -06/29/06 03/30/06 -06/29/06 03/30/06 -06/29/06 03/30/06 -06/29/06 03/30/06 -06/29/06 JUL-SEP 06/29/06 -09/28/06 06/29/06 -09/28/06 06/29/06 -09/28/06 06/29/06 -09/28/06 06/29/06 -09/28/06 OCT-DEC 09/28/06 -12/28/06 09/28/06 -12/28/06 09/28/06 -12/28/06 09/28/06 -12/28/06 09/28/06 -12/28/06 AIR PARTICULATE (GAMMA SPECTROSCOPY)

COLLECTION BD-19 BD-20 BD-21 PERIOD JAN-MAR APR-JUN JUL-SEP OCT-DEC 12/29/05 -03/30/06 03/30/06 -06/29/06 12/29/05 -03/30/06 03/30/06 -06/29/06 12/29/05 -03/30/06 03/30/06 -06/29/06 06/29/06 -09/28/06 09/28/06 -12/28/06 06/29/06 -09/28/06 06/29/06 -09/28/06 09/28/06 -12/28/06 09/28/06 -12/28/06 C -26 TABLE C-XI.1

SUMMARY

OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 AIR PARTICULATE (GROSS BETA & 1-131)COLLECTION PERIOD BD-02 BD-03 BD-04 BD-05 BD-06 2 3 4 5 6 7 8 9 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52-1~ILJIUt 01/05/06 -01/12/06*01/12/06

-01/19/06 01/19/06 -01/26/06*01/26/06

-02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06*02/23/06

-03/02/06 03/02/06 -03/09/06*03/09/06

-03/16/06 03/16/06 -03/23/06*03/23/06

-03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06 1Lh2/Ue~ -Ul/Ub/Ub 01/05/06 -01/12/06 01/12/06 -01/19/06 01/19/06 -01/26/06 01/26/06 -02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06 02/23/06 -03/02/06 03/02/06 -03/09/06 03/09/06 -03/16/06 03/16/06 -03/23/06 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06 1WI2}JUb -U/bU 01/05/06 -01/12/06 01/12/06 -01/19/06 01/19/06 -01/26/06 01/26/06 -02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06 02/23/06 -03/02/06 03/02/06 -03/09/06 03/09/06 -03/16/06 03/16/06 -03/23/06 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06 12I29/Ub -U I/Ub/Uti 01/05/06 -01/12/06 01/12/06 -01/19/06 01/19/06 -01/26/06 01/26/06 -02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06 02/23/06 -03/02/06 03/02/06 -03/09/06 03/09/06 -03/16/06 03/16/06 -03/23/06 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06 12/29/Ub -U1/U5/Ub 01/05/06 -01/12/06 01/12/06 -01/19/06 01/19/06 -01/26/06 01/26/06 -02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06 02/23/06 -03/02/06 03/02/06 -03/09/06 03/09/06 -03/16/06 03/16/06 -03/23/06 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/1 3/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06* AIR IODINE SAMPLES COLLECTED BIWEEKLY C -27 TABLE C-XI.1

SUMMARY

OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2006 AIR PARTICULATE (GROSS BETA & 1-131)COLLECTION PERIOD 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 BD-19 BD-20 BD-21-1IIUb 01/05/06 -01/12/06* 01/12/06 -01/19/06 01/19/06 -01/26/06* 0 1/26/06 -02/02/06 02/02/06 -02/09/06*02/09/06

-02/16/06 02/16/06 -02/23/06* 02/23/06 -03/02/06 03/02/06 -03/09/06*03/09/06

-03/16/06 03/16/06 -03/23/06* 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06 I /!/b- Ul /Ub/Ub 01/05/06 -01/12/06 01/12/06 -01/19/06 01/19/06 -01/26/06 01/26/06 -02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06 02/23/06 -03/02/06 03/02/06 -03/09/06 03/09/06 -03/16/06 03/16/06 -03/23/06 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12121106 -12/28/06 1~2/2/Ut1

-U I Ub/Ub 01/05/06 -01/12/06 01/12/06 -01/19/06 01/19/06 -01/26/06 01/26/06 -02/02/06 02/02/06 -02/09/06 02/09/06 -02/16/06 02/16/06 -02/23/06 02/23/06 -03/02/06 03/02/06 -03/09/06 03/09/06 -03/16/06 03/16/06 -03/23/06 03/23/06 -03/30/06 03/30/06 -04/06/06 04/06/06 -04/13/06 04/13/06 -04/20/06 04/20/06 -04/27/06 04/27/06 -05/04/06 05/04/06 -05/11/06 05/11/06 -05/18/06 05/18/06 -05/25/06 05/25/06 -06/01/06 06/01/06 -06/08/06 06/08/06 -06/15/06 06/15/06 -06/22/06 06/22/06 -06/29/06 06/29/06 -07/06/06 07/06/06 -07/13/06 07/13/06 -07/20/06 07/20/06 -07/27/06 07/27/06 -08/03/06 08/03/06 -08/10/06 08/10/06 -08/17/06 08/17/06 -08/24/06 08/24/06 -08/31/06 08/31/06 -09/07/06 09/07/06 -09/14/06 09/14/06 -09/21/06 09/21/06 -09/28/06 09/28/06 -10/05/06 10/05/06 -10/13/06 10/13/06 -10/19/06 10/19/06 -10/26/06 10/26/06 -11/02/06 11/02/06 -11/09/06 11/09/06 -11/16/06 11/16/06 -11/22/06 11/22/06 -11/30/06 11/30/06 -12/07/06 12/07/06 -12/14/06 12/14/06 -12/21/06 12/21/06 -12/28/06* AIR IODINE SAMPLES COLLECTED BIWEEKLY C -28 TABLE C-XI.1

SUMMARY

OF COLLECTION DATES FOR SAMPLES COLLECTED IN THE VICINITY OF BRAIDWOOD STATION, 2005 TLD STATION CODE BD-02 BD-03 BD-04 BD-05 BD-06 BD-19 BD-20 BD-21 BD-101 BD-102 BD-103 BD-104 BD-105 BD-106 BD-107 BD-108 BD-109 BD-110 BD-l1la BD-1 12 BD-1 13a BD-114 BD-115 BD-116 BD-201 BD-202 BD-203 BD-204 BD-205 BD-206 BD-207 BD-208 BD-209 BD-210 BD-211 BD-212 BD-213 BD-214 BD-215 BD-216 JAN -MAR APR -JUN JUL -SEP OCT -DEC 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 01/01/06 -04/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 04/01/06 -07/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 07/01/06 -10/01/06 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 10/01/06 -01/01/07 C -29 Intentionally left blank FIGURE C-1 (cont.)Surface Water -Gross Beta -Stations BD-10 and BD-25 (C)Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-10 Kankaee River, Downstream 10.0 8.0-J 6.0 4.0 2.0 0.0-1-01-27-05 07-21-05 01-12-06 07-06-06 12-28-06 BD-25 (C) Kankakee River, Upstream-I C., 01-27-05 07-21-05 01-12-06 07-06-06 12-28-06 DUE TO VENDOR CHANGE IN 2005, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-1 (cont.)Surface Water -Gross Beta -Stations BD-10 and BD-25 (C)Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-10 Kankaee River, Downstream 10.0 8.0 C-C.)0,.6.0 4.0 2.0 0.0o4-01-27-05 07-21-05 01-12-06 07-06-06 12-28-06 BD-25 (C) Kankakee River, Upstream.-J C.)0.0 1 I I I 01-27-05 07-21-05 01-12-06 07-06-06 12-28-06 DUE TO VENDOR CHANGE IN 2005, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-1 (cont.)Surface Water -Gross Beta -Station BD-40 Collected in the Vicinity of Braidwood Station, 2006 BD-40 12.0 ,-J G 10.0........ ... .... .. ....... ................

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4 ) .........

....... ....................

8.0 05-06 11-05-06 12-06-06 NEW STATION BD-40 ADDED ON 10/05/06 Surface Collected 2600 -FIGURE C-2 Water -Tritium -Stations BD-10 and in the Vicinity of Braidwood Station, BD-10 Kankakee River, Downstream 2300 2000 1700 BD-25 (C)2000 -2004 12-30-04 1100 500 500-1004--01-01-0 12-31 -00 12-31-01 12-31-02 12-31-03 BD-25 Kankakee River, Upstream 400 300 200-J 0 0.to0 0-100-200 4--01-01-00 12-.31-00 12-31"-01 12-31-02 12-31-03 12-30-04I FIGURE C-2 (cont.)Surface Water -Tritium -Stations BD-10 and BD-25 (C)Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-10 Kankakee River, Downstream C.2400-2100 -1800-1500-1200-900-600-300, 4 03-31-05 10-30-05 05-31-06 12-30-06 BD-25 (C) Kankakee River, Upstream 400 -300 -I-J C., 0.200 100+nJ I I 03-31-05 10-30-05 05-31-06 12-30-06 DUE TO VENDOR CHANGE IN 2005, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-2 (cont.)Surface Water -Tritium -Stations BD-38 (C)Collected in the Vicinity of Braidwood Station, 2006 BD-38--J 0.2400, 2100 1800 1500 1200-900, 600 300 0 03-09-06 06-15-06 09-21-06 12-28-06 BD-40 400 -300+-I 0.200 v 100+0 4-07/20/06 08/14/06 09/08/06 10/03/06 NEW STATIONS BD-38 AND BD-40 ADDED IN 2006 FIGURE C-3 Public Water -Gross Beta -Station BD-22 Collected in the Vicinity of Braidwood Station, 2000 -2004 BD-22 Wilmington 10,0 -.8 .0.0.04-01 01-00 12.,31--DO(122-31~ -D 1-3 -0 1-3 I 12,3G,04, FIGURE C-3 (cont.)Public Water -Gross Beta -Station BD-22 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-22 Wilmington 10.0 8.0 6.0 C., 4.0 2.0 0.0 01-01-05 07-02-05 12-31-05 07-01-06 12-30-06 DUE TO VENDOR CHANGE, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 Collected 7600-7200--68001-6400 6000 5600 -5200 4800 4400 -, 4000'a. 3600 3200 2800 -24100 2000 1600 1200 800 400.0 1-01-00 FIGURE C-4 Public Water -Tritium -Station BD-22 in the Vicinity of Braidwood Station, 2000 -2004 BD-22 Wilmington t 2-31, 00'12-31-01 12-31,02 12-3 1-0,3 --4 FIGURE C-4 (cont.)Public Water -Tritium -Station BD-22 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-22 Wilmington 7600 7200 6800 6400 6000 5600 5200 4800 4400 4000 0 3600 CL 3200-2800-2400 2000 1600 1200 800 400 0 01-01-05 07-02-05 12-31-05 07-01-06 12-30-06 DUE TO VENDOR CHANGE, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-5 Ground/Well Water -Tritium -Stations BD-13 and BD-34 Collected in the Vicinity of Braidwood Station, 2000 -2004 50 --BD-13 Braidwood City Hall Wvell 400 300 200 a._0-1001*-200 01-01-00 12-31-00 12-31-01 12-31-02 12-31-03 12-30.04 700 BD-34 Gibson Well 500 400 1 00 200*-100.-100 1 01-01-00 12-31-00 12-31-01 12-31-02 12-31-03 12-30-04 FIGURE C-5 (cont.)Ground/Well Water -Tritium -Stations BD-13 and BD-34 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-13 Braidwood City Hall Well-I a.500-400-300-200'100-N' N' N' N'03-31-05 09-28-05 03-28-06 09-25-06 BD-34 Gibson Well-J C., 700'600 500 400 300 200 100 0 03-31--O,ý1-05 09-28-05 03-28-06 09-25-06 DUE TO VENDOR CHANGE IN 2005, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-6 Ground/Well Water -Tritium -Stations BD-35 and BD-36 Collected in the Vicinity of Braidwood Station, 2000 -2004.50 BD-35 Joiy Well 400 4-300+200-CL-1 1 ý'ý ý /Jz7..0 100 .i I 01-01-00 1 2-31-00, 12-31-01 1 2-31-02 12-31-03 12-30-04 BD-36 Hutton Well-J 0J a-900 800 700 600 400 -300 200 100 0 01-01-,0, 1/'~(' \..2- I-on 12-31-01 12-31-02'12-31-03 FIGURE C-6 (cont.)Ground/Well Water -Tritium -Stations BD-35 and BD-36 Collected in the Vicinity of Braidwood Station, 2000 -2006 BD-35 Joly Well 500 m 400 +300 +,-a,.200, 100 -I-0 I I I 03-31-05 10-04-05 04-09-06 10-13-06 BD-36 Hutton Well 1200 1000 800 600 400 200-J a,.0o-03-31-05 10-04-05 04-09-06 10-13-06 DUE TO VENDOR CHANGE IN 2005, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-7 Ground/Well Water -Tritium -Station BD-37 Collected in the Vicinity of Braidwood Station, 2000 -2004 BD-37 Nurczyk Well 1150 -350+2504-J 150 +501/-50 150 01-01-00 ,/\ 1-~K~.K~'--I I.!12-3'1-00 12-31-01 12-31-02 12-31-03 FIGURE C-7 (cont.)Ground/Well Water -Tritium -Station BD-37 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-37 Nurczyk Well-I C.)600 500 400 300 200 100 o0---03-31-05 10-04-05 04-09-06 10-13-06 DUE TO VENDOR CHANGE IN 2005, < VALUES ARE LLD VALUES JANUARY THROUGH JUNE 2005 AND MDC VALUES AFTER JUNE 2005 FIGURE C-8 Air Particulates

-Gross Beta- Stations BD-03 (C) and BD-06 Collected in the Vicinity of Braidwood Station, 2000 -2004 BD-03 (C) County Line Road 100 .0 8,0 60 S4.0 01-01-00 12-31-00 12-31-01 12-31-02 12-31-03 12-30-04 BD-06 Godley 10,0 8.0 Uj 4.0 2.0 01-01-00 12.31 00 12-31-01 12-31-02 12-31-03 12-30-04 FIGURE C-8 (cont.)Air Particulates

-Gross Beta- Stations BD-03 (C) and BD-06 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-03 (C) County Line Road 82.1 CL a.Li 0 0.0I I I I 01/06/05 07/06/05 01/03/06 07/03/06 12/31/06 BD-06 Godley U CL 0n 50.0 40.0 30.0 20.0 10.0 0.04 I 2 i 01-06-05 07-06-05 01-03-06 07-03-06 12-31-06 DUE TO VENDOR CHANGE, THE REPORTED UNITS CHANGED FROM E-02 PCI/M3 TO E-03 PCI/M3 FIGURE C-9 Air Particulates

-Gross Beta- Stations BD-19 and BD-20 Collected in the Vicinity of Braidwood Station, 2000 -2004 BD-19 Nearsite, NW 100 I0 L 9 w 4,0 2-0 0 01-0 .0......01-01-00 12-3 1-00 12-31-01 12-31-02 12-31-03 12-30-04 BD-20 Nearsite, N 10.0 6.0~~1 a.0 4.0 2.0 0 0 -, .......01-01I-00...........

.. .. w 12-31-CO 12-31-01 12-31-02 12-31-U33 12-30-04I FIGURE C-9 (cont.)Air Particulates

-Gross Beta- Stations BD-19 and BD-20 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-19 Nearsite, NW 50.0 40.0 E 30.0 CL C.)a.20.0 C 10.0 0.0 06-05 07-06-05 01-03-06 07-03-06 12-31-06 BD-20 Neasite, N C.)0.9 w 50.0 40.0 30.0 20.0 10.0 0.0 06-05 07-06-05 01-03-06 07-03-06 12-31-06 DUE TO VENDOR CHANGE, THE REPORTED UNITS CHANGED FROM E-02 PCI/M3 TO E-03 PCI/M3 FIGURE C-10 Air Particulates

-Gross Beta- Station BD-21 Collected in the Vicinity of Braidwood Station, 2000 -2004 BD-21 Nearsite, NE 8,0 (:.K 0'0 ..............

01-01-00 12-31-00 12-31-01 12-31-02 12-31-03 12-30-04 FIGURE C-10 (cont.)Air Particulates

-Gross Beta- Station BD-21 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-21 Nearsite, NE 50.0 40.0 E 30.0 920.0 1 .10.0 0.0 0 0 0 1 01-06-05 07-06-05 01-03-06 07-03-06 12-31-06 DUE TO VENDOR CHANGE, THE REPORTED UNITS CHANGED FROM E-02 PCI/M3 TO E-03 PCI/M3 FIGURE C-11 Air Particulates

-Gross Beta- Stations BD-02 and BD-04 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-02 Nearsite, NW 50.0 C.)0.CL 0.0 4 I I 01-06-05 07-06-05 01-03-06 07-03-06 12-31-06 BD-04 Neasite, N 50.0 T 40.0+E C.)0.CL CD 30.0 -20.0+10.0+0 .0 I I I I 01-06-05 07-06-05 01-03-06 07-03-06 12-31-06 DUE TO VENDOR CHANGE, THE REPORTED UNITS CHANGED FROM E-02 PCI/M3 TO E-03 PCI/M3 FIGURE C-12 Air Particulates

-Gross Beta- Station BD-05 Collected in the Vicinity of Braidwood Station, 2005 -2006 BD-05 Nearsite, NE 50.0 40.0 E:;- 30.0-30.0 20.0 10.0 0.0 I I 0 I 01-06-05 07-06-05 01-03-06 07-03-06 12-31-06 DUE TO VENDOR CHANGE, THE REPORTED UNITS CHANGED FROM E-02 PCI/M3 TO E-03 PCI/M3 APPENDIX D INTER-LABORATORY COMPARISON PROGRAM TABLE D-1 ANALYTICS ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2006 (PAGE 1 OF 3)Identification Reported Known Ratio (c)Month/Year Number Matrix Nuclide Units Value (a) Value (b) TBE/Analytics Evaluation (d)March 2006 E4964-396 Milk E4965-396 Milk E4967-396 AP Sr-89 Sr-90 1-131 Ce-141 Cr-51 Cs-134 Cs-137 Co-58 Mn-54 Fe-59 Zn-65 Co-60 Ce-141 Cr-51 Cs-1 34 Cs-1 37 Co-58 Mn-54 Fe-59 Zn-65 Co-60 pCi/L 91.5 pCi/L 12.2 99.2 10.8 pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi pCi pCi pCi pCi pCi pCi pCi pCi pCi 74.4 78.0 95.1 104 278 280 103 121 87.6 88.8 93.9 105 90.0 93.3 83.0 86.6 178 176 118 128 89.9 74 253 200 71.5 86.1 67.5 63.3 79.7 74.6 74.9 67 75.5 61.8 146 126 91.2 91 87.4 86.2 E4966-396 Charcoal 1-131 0.92 1.13 0.95 0.91 0.99 0.85 0.99 0.89 0.96 0.96 1.01 0.92 1.21 1.27 0.83 1.07 1.07 1.12 1.22 1.16 1.00 1.01 0.91 0.95 0.79 0.95 1.03 0.88 0.99 1.01 0.98 1.03 0.98 0.98 0.91 1.01 0.75 0.97 0.94 1.04 1.03 1.05 0.94 0.99 A A A A A A A A A A A A W W A A A A W A A A A A W A A A A A A A A A A A W A A A A A A A June 2006 E5018-396 Milk E5019-396 Milk E5021-396 AP Sr-89 Sr-90 pCi/L 118 pCi/L 9.29 1-131 Ce-141 Cr-51 Cs-134 Cs-137 Co-58 Mn-54 Fe-59 Zn-65 Co-60 Ce-141 Cr-51 Cs-1 34 Cs-1 37 Co-58 Mn-54 Fe-59 Zn-65 Co-60 pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi pCi pCi pCi pCi pCi pCi pCi pCi 49.9 174 266 111 116 101 144 96.7 182 126 113 176 63.7 76.8 63.1 102 64.6 131 81.6 129 9.74 63.2 184 259 127 117 100 146 93.6 185 129 124 174 85.1 79.0 67.4 99 62.9 125 86.5 65.9 E5020-396 Charcoal 1-131 pCi 65.4 D-1 TABLE D-1 ANALYTICS ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2006 (PAGE 2 OF 3)Identification Reported Known Ratio (c)Month/Year Number Matrix Nuclide Units Value (a) Value (b) TBE/Analytics Evaluation (d)September 2006 E5120-396 Milk E5121-396 Milk E5123-396 AP Sr-89 Sr-90 1-131 Ce-141 Cr-51 Cs-134 Cs-137 Co-58 Mn-54 Fe-59 Zn-65 Co-60 Ce-141 Cr-51 Cs-134 Cs-137 Co-58 Mn-54 Fe-59 Zn-65 Co-60 Co-57 pCi/L 90.3 89.2 pCi/L 11.6 12.4 pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi pCi pCi pCi pCi pCi pCi pCi pCi pCi 67.8 85.0 263 74.7 172 107 110 46.6 144 127 67.1 223 51.7 134 84.8 95.2 41.6 123 98.9 0.922 73.8 86.0 282 85.0 175 109 113 43.7 145 134 66.4 217 65.6 135.0 84.3 87 33.7 112 103 (1)1.01 0.94 0.92 0.99 0.93 0.88 0.98 0.98 0.98 1.07 0.99 0.95 1.01 1.03 0.79 0.99 1.01 1.10 1.23 1.10 0.96 NA 0.86 1.01 1.19 1.02 0.91 0.97 0.87 0.97 0.98 1.02 1.00 1.04 0.94 1.05 1.11 0.86 1.09 1.09 1.15 1.25 1.16 1.04 A A A A A A A A A A A A A A W A A A W A A NA A E5122-396 Charcoal 1-131 pCi 77.7 90.7 pCi/L 72.4 72.0 pCi/L 7.05 5.90 December 2006 E5172-396 Milk E5173-396 Milk E5175-396 AP Sr-89 Sr-90 1-131 Ce-141 Cr-51 Cs-134 Cs-1 37 Co-58 Mn-54 Fe-59 Zn-65 Co-60 Ce-141 Cr-51 Cs-134 Cs-137 Co-58 Mn-54 Fe-59 Zn-65 Co-60 pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi pCi pCi pCi pCi pCi pCi pCi pCi 71.9 268 420 128 231 82.0 113 79.8 170 265 220 343 90.8 185 65.0 90.6 70.7 136 208 70.8 294 433 147 237 83.8 ill 79.7 164 281 210 309 105 169.0 59.7 79 56.7 117 200 D-2 TABLE D-1 ANALYTICS ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2006 (PAGE 3 OF 3)Identification Reported Known Ratio (c)Month/Year Number Matrix Nuclide Units Value (a) Value (b) TBE/Analytics Evaluation (d)December 2006 E5174-396 Charcoal 1-131 pCi 77.4 85.4 0.91 A (1)(a)(b)(c)(d)Impurity detected but not measured by Analytics.

Teledyne Brown Engineering reported result.The Analytics known value is equal to 100% of the parameter present in the standard as determined by gravimetric and/or volumetric measurements made during standard preparation.

Ratio of Teledyne Brown Engineering to Analytics results.Analytics evaluation based on TBE internal QC limits: A= Acceptable.

Reported result falls within ratio limits of 0.80-1.20.

W-Acceptable with warning. Reported result falls within 0. 70-0.80 or 1.20-1.30.

N = Not Acceptable.

Reported result falls outside the ratio limits of < 0.70 and > 1.30.D-3 TABLE D-2 ERA ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2006 (PAGE 1 OF 1)Identification Reported Known Month/Year Number Media Nuclide Units Value (a) Value (b) Control Limits Evaluation (c)May 2006 Rad 65 Water Sr-89 Sr-90 Ba-i 33 Cs-i 34 Cs-1 37 Co-60 Zn-65 Gr-A Gr-B Ra-226 U-Nat H-3 Rad 65 Water 1-131 pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L 30.2 8.74 10.9 39.7 199 ill 146 22.9 23.7 2.64 74.9 7950 32.4 9.00 10.0 43.4 214 113.0 152 21.3 23.0 3.02 69.1 8130 18.2 19.1 23.6 -41.1 0.340-17.7 1.34- 18.7 34.7- 52.1 195 -233 103- 123 126- 178 12.1 -30.5 14.3- 31.7 2.23 -3.81 57.1 -81.1 6720 -9540 13.9-24.3 31.2 -48.6 7.34 -24.7 58.1 -82.3 21.2-38.6 69.5 -86.9 53.6- 71.0 229 -325 16.3-41.1 12.2- 29.6 0.00 -8.40 2430 -3670 16.9 -27.3 A A A A A A A A A A A A A A A A A A A A A A A A A November 2006 Rad 67 Water Sr-89 Sr-90 Ba-i 33 Cs-1 34 Cs-1 37 Co-60 Zn-65 Gr-A Gr-B U-Nat H-3 Water 1-131 40.0 16.2 65.0 27.4 74.4 61.6 277 23.3 22.0 3.18 2930 39.9 16.0 70.2 29.9 78.2 62.3 277 28.7 20.9 3.20 3050 19.8 22.1 (a) Teledyne Brown Engineering reported result.(b) The ERA known value is equal to 100% of the parameter present in the standard as determined by gravimetric and/or volumetric measurements made during standard preparation.(c) ERA evaluation:

A=acceptable.

Reported result falls within the Warning Limits. NA=not acceptable.

Reported result falls outside of the Control Limits. CE=check for Error. Reported result falls within the Control Limits and outside of the Waming Limit.D-4 TABLE D-3 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)TELEDYNE BROWN ENGINEERING, 2006 (PAGE 1 OF 3)Identification Reported Known Acceptance Month/Year Number Media Nuclide Units Value (a) Value (b) Range Evaluation (c)January 2006 06-MaW15 Water Am-241 Cs-1 34 Cs-1 37 Co-57 Co-60 H-3 Fe-55 Mn-54 Ni-63 Pu-238 Pu-239/240 Sr-90 Tc-99 U-234/233 U-238 Zn-65 Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L 1.29 79.2-0.188 151 141 988 106.0 297 61.5 0.961 0.00965 12.6 22.5 2.20 2.23 219 1.30 0.91-1.69 95.1 66.57- 123.63 166.12 153.50 952.01 129.60 315.00 60.34 0.91 0.00710 13.16 23.38 2.09 2.17 228.16 116.28-215.96 107.45-199.55 666.41 -1237.61 90.72- 168.48 220.50 -409.50 44.24 -78.44 0.64-1.18 (1)9.21-17.11 16.37 -30.39 1.46-2.72 1.52-2,82 159.71 -296.61 A A A A A A A A A A A A A A A A 06-GrW15 Water Gr-A Gr-B Bq/L 0.575 0.581 >0.0 -1.162 Bq/L 1.52 1.13 0.56-1.70 06-MaS15 Soil Am-241 Cs-134 Cs-1 37 Co-57 Co-60 Mn-54 Ni-63 K-40 Sr-90 Tc-99 Zn-65 Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample 48.8 15.9 370 667 478 384 394 667 253 146 740 0.0850 2.34 2.45 3.87 2.12 0.0206 0.0766 0.00520 0.761 0.0217 0.0220 3.86 57.08 39.96 -74.20 06-RdF15 AP Am-241 Cs-134 Cs-137 Co-57 Co-60 Mn-54 Pu-238 Pu-239/240 Sr-90 U-234/233 U-238 Zn-65 06-GrF15 AP Gr-A Gr-B 339.69 656.29 447.10 346.77 323.51 604 314.35 154.76 657.36 0.093 2.934 2.531 4.096 2.186 0.067 0.00041 0.792 0.020 0.021 3.423 237.78-441.60 459.40 -853.18 312.97-581.23 242.74 -450.80 226.46 -420.56 423-785 220.04 -408.66 108.33-201.19 460.15-854.57 0.065 -0.121 2.054 -3.814 1.772 -3.290 2.867 -5.325 1.530 -2.842 not spiked 0.047 -0.087 (1)0.554 -1.030 0.014 -0.026 0.015 -0.027 2.396 -4.450 A A A N (2)A A A A W A A A A A A A A A A A A A A A A A A Bq/sample 0.257 0.361 >0.0 -0.722 Bq/sample 0.398 0.481 0.241 -0.722 D-5 TABLE D-3 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)TELEDYNE BROWN ENGINEERING, 2006 (PAGE 2 OF 3)Identification Reported Known Acceptance Month/Year Number Media Nuclide Units Value (a) Value (b) Range Evaluation (c)January 2006 06-RdV15 Vegetation Am-241 Cs-1 34 Cs-1 37 Co-57 Co-60 Mn-54 Pu-238 Pu-239/240 Sr-90 U-234/233 U-238 Zn-65 Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample 0.156 0.369 3.15 10.1 4.69 6.53 0.183 0.111 2.22 0.208 0.176 10.5 0.156 0.109- 0.203 July 2006 06-MaW16 Water Am-241 Cs-1 34 Cs-137 Co-57 Co-60 H-3 Fe-55 Ni-63 Pu-238 Pu-239/240 Sr-90 Tc-99 U-234/233 U-238 Zn-65 Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L Bq/L 2.09 99.8 191 203 46.2 471 173 109 1.50 2.01 13.7 29.0 2.19 2.25 178 3.074 8.578 4.520 6.247 0.137 0.164 1.561 0.208 0.216 9.798 2.31 112.82 196.14 213.08 47.5 428.85 165.4 118.62 1.39 1.94 15.69 27.15 2.15 2.22 176.37 not spiked 2.152 -3.996 6.005- 11.151 3.164 -5.876 4.373 -8.121 0.096 -0.178 0.115- 0.213 1.093 -2.029 0.146 -0.270 0.151 -0.281 6.859 -12.737 1.62-3.00 78.98- 146.66 137.30-254.98 149.16-277.00 33.2-61.8 300.20 -557.50 115.8-215.0 83.03 -154.21 0.97-1.81 1.36-2.52 10.98- 20.40 19.00 -35.29 1.50 -2.80 1.55 -2.89 123.46 -229.28 A A A A A A N (3)N (3)N (3)A A A A A A A A A A A A A A A A A A A A 06-GrW16 Water Gr-A Gr-B Bq/L 1.52 Bq/L 1.18 1.033 >0.0 -2.066 1.03 0.52-1.54 06-MaS16 Soil Am-241 Cs-1 34 Cs-1 37 Co-57 Co-60 Mn-54 Ni-63 Pu-238 Pu-239240 K-40 Sr-90 Tc-99 U-234/233 U-238 Zn-65 Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg Bq/kg 83.6 393 522 636 3.78 598 571 71.2 0.487 615 178 175 119 115 937 105.47 452.13 525.73 676.33 1.98 594.25 627.3 82 0.93 604 223.3 218.01 152.44 158.73 903.61 73.83-137.11 316.49- 587.77 368.01 -683.45 473.43 -879.23 415.98- 772.52 470.6 -874.0 57-107 423-785 156.3 -290.3 152.61 -283.41 106.71 -198.17 111.11 -206.35 632.53-1174.69 W A A A A (4)A A A A (4)A W A W W A D-6 TABLE D-3 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)TELEDYNE BROWN ENGINEERING, 2006 (PAGE 3 OF 3)Identification Reported Known Acceptance Month/Year Number Media Nuclide Units Value (a) Value (b) Range Evaluation (c)July 2006 06-RdF16 AP Am-241 Cs-1 34 Cs-137 Co-57 Co-60 Mn-54 Pu-238 Pu-239/240 Sr-90 U-234/233 U-238 Zn-65 Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample Bq/sample 0.124 2.62 1.98 2.65 1.63 2.10 0.118 0.00822 0.549 0.140 0.136-0.163 0.142 3.147 1.805 2.582 1.577 1.92 0.118 0.62 0.134 0.139 0.099 -0.185 2.203 -4.091 1.263 -2.346 1.807 -3.357 1.104 -2.050 1.34 -2.50 0.083 -0.153 not spiked 0.43 -0.81 0.094 -0.174 0.097 -0.181 not spiked A A A A A A A A A A A A A A 06-GrF16 AP Gr-A Gr-B Bq/sample 0.134 Bq/sample 0.358 0.290 >0.0 -0.580 0.359 0.180 -0.538 (1) False positive test (2) Evaluated as a false positive by MAPEP although we considered the result a non-detect due to the peak not being identified by the gamma software.

For Cs-134, MAPEP suggests the Bi-214 is not being differentiated from the Cs-134 peak.(3) Sr samples analyzed in triplicate and one high result of 2.43 pCi/kg biased the submitted results on the high side.We were unable to determine the cause for the higher result. Since we do not analyze vegetation for isolpic Pu, no NCR was initiated for the Pu failure. MAPEP suggest pyrosulfate fusion preparation prior to analysis for isotopic Pu in vegetation samples.(4) Not detected, reported a statistically zero result. (False positive test)(a) Teledyne Brown Engineering reported result.(b) The MAPEP known value is equal to 100% of the parameter present in the standard as determined by gravimetric and/or volumetric measurements made during standard preparation.(c) DOE/MAPEP evaluation:

A=acceptable, W=acceptable with warning, N=not acceptable.

D-7 TABLE D-4 ERA(a) STATISTICAL

SUMMARY

PROFICIENCY TESTING PROGRAM ENVIRONMENTAL, INC., 2006 (Page 1 of 2)Concentration (pCi/L)Lab Code Date Analysis Laboratory ERA Control Resultb Resultc Limits Acceptance STW-1078 01/16/06 Sr-89 49.9 +/- 3.5 50.2 41.5 -58.9 Pass STW-1078 01/16/06 Sr-90 31.5 +/- 1.5 30.7 22.0 -39.4 Pass STW-1079 01/16/06 Ba-133 86.5 +/-4.1 95.0 78.6-111.0 Pass STW-1079 01/16/06 Co-60 96.3 +/- 4.1 95.3 86.6 -104.0 Pass STW-1079 01/16/06 Cs-134 22.6 +/- 3.0 23.1 14.4 -31.8 Pass STW-1079 01/16/06 Cs-137 109.0 +/- 5.9 111.0 101.0 -121.0 Pass STW-1079 01/16/06 Zn-65 198.0 +/- 11.2 192.0 159.0 -225.0 Pass STW-1080 01/16/06 Gr. Alpha 10.8 +/- 1.4 9.6 1.0 -18.3 Pass STW-1080 01/16/06 Gr. Beta 56.9 +/- 1.9 61.9 44.6 -79.2 Pass STW-1081 01/16/06 Ra-226 4.3 +/- 0.4 4.6 3.4 -5.8 Pass STW-1081 01/16/06 Ra-228 7.1 +/- 1.8 6.6 3.7 -9.5 Pass STW-1081 01/16/06 Uranium 20.7 +/- 0.5 22.1 16.9 -27.3 Pass STW-1088 04/10/06 Sr-89 29.0 +/- 1.8 32.4 23.7 -41.1 Pass STW-1088 04/10/06 Sr-90 8.7 +/- 1.0 9.0 0.3 -17.7 Pass STW-1089 04/10/06 Ba-133 10.3 +/- 0.4 10.0 1.3 -18.7 Pass STW-1089 04/10/06 Co-60 114.0 +/- 2.8 113.0 103.0 -123.0 Pass STW-1089 04/10/06 Cs-134 41.9 +/- 1.4 43.4 34.7 -52.1 Pass STW-1089 04/10/06 Cs-137 208.0 +/- 1.1 214.0 195.0 -233.0 Pass STW-1 089 04/10/06 Zn-65 154.0 +/- 0.8 152.0 126.0 -178.0 Pass STW-1090 04/10/06 Gr. Alpha 13.4 +/- 1.1 21.3 12.1 -30.5 Pass STW-1090 04/10/06 Gr. Beta 27.7 +/- 2.1 23.0 14.3 -31.7 Pass STW-1091 04/10/06 1-131 22.0 +/- 0.3 19.1 13.9 -24.3 Pass STW-1092 04/10/06 H-3 7960.0 +/- 57.0 8130.0 6720.0 -9540.0 Pass STW-1 092 04/10/06 Ra-226 .2.9 +/- 0.4 3.0 2.2 -3.8 Pass STW-1092 04/10/06 Ra-228 20.9 +/- 1.2 19.1 10.8 -27.4 Pass STW-1092 04/10/06 Uranium 68.6 +/- 3.4 69.1 57.1 -81.1 Pass STW-1094 07/10/06 Sr-89 15.9 +/- 0.7 19.7 11.0 -28.4 Pass STW-1094 07/10/06 Sr-90 24.3 +/- 0.4 25.9 17.2 -34.6 Pass STW-1095 07/10/06 Ba-1 33 94.9 +/- 8.9 88.1 72.9 -103.0 Pass STW-1095 07/10/06 Co-60 104.0 +/- 1.8 99.7 91.0 -108.0 Pass STW-1095 07/10/06 Cs-134 48.7 +/- 1.3 54.1 45.4 -62.8 Pass STW-1095 07/10/06 Cs-137 236.0 +/- 3.0 238.0 217.0 -259.0 Pass STW-1095 07/10/06 Zn-65 126.0 +/- 8.0 121.0 100.0 -142.0 Pass STW-1096 07/10/06 Gr. Alpha 10.9 +/- 1.0 10.0 1.3 -18.6 Pass STW-1096 07/10/06 Gr. Beta 9.7 +/- 0.4 8.9 0.2 -17.5 Pass STW-1097 07/10/06 Ra-226 11.0 +/- 0.5 10.7 7.9 -13.5 Pass STW-1097 07/10/06 Ra-228 12.2 +/- 0.8 10.7 6.1 -15.3 Pass STW-1097 07/10/06 Uranium 43.4 +/- 0.1 40.3 33.3 -47.3 Pass D]-8 TABLE D-4 ERA(a) STATISTICAL

SUMMARY

PROFICIENCY TESTING PROGRAM ENVIRONMENTAL, INC., 2006 (Page 2 of 2)Concentration (pCi/L)Lab Code Date Analysis Laboratory ERA Control Resultb Resultc Limits Acceptance STW-1 104 STW-1 104 STW-1 105 STW-1 105 STW-1 105 STW-1 105 STW-1 105 STW-1 106 STW-1 106 STW-1107 d STW-1108 STW-1108 STW-1108 STW-1109 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 10/06/06 Sr-89 Sr-90 Ba-1 33 Co-60 Cs-1 34 Cs-1 37 Zn-65 Gr. Alpha Gr. Beta 1-131 Ra-226 Ra-228 Uranium H-3 38.4 +/- 1.3 15.5 +/- 0.5 64.9 +/- 2.8 61.6 +/- 1.0 29.0 +/- 0.9 77.8 +/- 2.4 293.0 +/- 2.4 23.9 +/- 2.5 23.7 +/- 1.4 28.4 +/- 1.2 14.5 +/- 0.5 6.6 +/- 0.4 2.9 +/-0.1 3000.0 +/- 142.0 39.9 16.0 70.2 62.3 29.9 78.2 277.0 28.7 20.9 22.1 14.4 5.9 3.2 3050.0 31.2 -45.7 7.3 -24.7 58.1 -82.3 53.6 -71.0 21.2 -38.6 69.5 -86.9 229.0 -325.0 16.3 -41.1 12.2 -29.6 16.9 -27.3 10.7 -18.1 3.3 -8.4 0.0 -8.4 2430.0 -3670.0 Pass Pass Pass Pass Pass Pass Pass Pass Pass Fail Pass Pass Pass Pass a Results obtained by Environmental, Inc., Midwest Laboratory as a participant in the crosscheck program for proficiency testing in drinking water conducted by Environmental Resources Associates (ERA).b Unless otherwise indicated, the laboratory result is given as the mean +/- standard deviation for three determinations.

c Results are presented as the known values, expected laboratory precision (1 sigma, 1 determination) and control limits as provided by ERA.d The reported result was an average of three analyses, results ranged from 25.36 to 29.23 pCi/L.A fourth analysis was performed, result of analysis, 24.89 pCi/L.D-9 TABLE D-5 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEPa ENVIRONMENTAL, INC., 2006 (Page 1 of 3)Concentration b Known Control Lab Codec Date Analysis Laboratory result Activity Limits d Acceptance STVE-1082 STVE-1 082 STVE-1 082 STVE-1082 e STVE-1082 STVE-1082 STVE-1082' STVE-1082 STVE-1082 STVE-1082 STVE-1082 STVE-1082 STSO-1083 STSO-1083 STSO-1083 STSO- 1083 e STSO-1083 STSO-1083 STSO-1083 STSO-1083 STVE-1083 STVE-1083' STVE-1083' STVE-1083 STSO-1 083 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 Am-241 Co-57 Co-60 Cs-1 34 Cs-1 37 Mn-54 Pu-238 Pu-239/40 Sr-90 U-233/4 U-238 Zn-65 Am-241 Co-57 Co-60 Cs-1 34 Cs-1 37 K-40 Mn-54 Ni-63 Pu-238 Pu-239/40 U-233/4 U-238 Zn-65 0.16 +/- 0.06 10.40 +/- 0.20 5.00 +/- 0.20< 0.20 3.40 +/- 0.20 6.90 +/- 0.20 0.08 +/- 0.03 0.17 +/- 0.03 1.40 +/- 0.20 0.24 +/- 0.05 0.19 +/- 0.04 11.10 +/- 0.50 54.60 +/- 5.50 762.90 +/- 12.70 504.90 +/- 3.10< 1.70 406.50 +/- 3.70 719.20 +/- 18.40 415.60 +/- 4.80 261.40 +/- 14.70 14.60 +/- 2.90 14.60 +/- 2.40 13.50 +/- 1.70 15.40 +/- 1.80 783.40 +/- 7.00 0.16 8.58 4.52 0.00 3.07 6.25 0.14 0.16 1.56 0.21 0.22 9.80 0.11 -0.20 6.00 -11.15 3.16 -5.88 2.15 -4.00 4.37 -8.12 0.10 -0.18 0.11 -0.21 1.09 -2.03 0.15 -0.27 0.15 -0.28 6.86 -12.74 57.08 656.29 447.10 0.00 339.69 604.00 346.77 323.51 61.15 45.85 37.00 38.85 657.36 39.96 -74.20 459.40 -853.18 312.97 -581.23 237.78 -441.60 422.80 -785.20 242.74 -450.80 226.46 -420.56 42.81 -79.50 32.09 -59.61 25.90 -48.10 27.20 -50.50 460.15 -854.57 Pass Pass Pass Pass Pass Pass Fail Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Fail Fail Fail Fail Pass Pass Pass Pass Pass Pass Pass Pass Fail Pass Pass Pass Pass Pass STAP-1 084 01/01/06 Gr. Alpha STAP-1084 01/01/06 Gr. Beta STAP-1085 STAP-1085 STAP-1085 STAP-1085 STAP-1085 STAP-1085f STAP-1 085 STAP-1 085 STAP-1085 STAP-1085 STAP-1085 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 Am-241 Co-57 Co-60 Cs-1 34 Cs-1 37 Pu-238 Pu-239/40 Sr-90 U-233/4 U-238 Zn-65 0.26 +/- 0.02 0.51 +/- 0.03 0.12 +/- 0.02 4.32 +/- 0.10 2.24 +/- 0.16 2.96 +/- 0.19 2.64 +/- 0.20 0.03 +/- 0.01< 0.01 0.77 +/- 0.21 0.03 +/- 0.01 0.02 +/- 0.01 3.94 +/- 0.44 0.36 0.48 0.09 4.10 2.19 2.93 2.53 0.07 0.00 0.79 0.02 0.02 3.42 0.00 -0.72 0.24 -0.72 0.07 -0.12 2.87 -5.32 1.53 -2.84 2.05 -3.81 1.77 -3.29 0.05 -0.09 0.55-1.03 0.01 -0.03 0.01 -0.03 2.40 -4.45 D- 10 TABLE D-5 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEPr ENVIRONMENTAL, INC., 2006 (Page 2 of 3)Concentration b Known Control Lab Codec Date Analysis Laboratory result Activity Limits d Acceptance STW-1086 STW-1086 STW-1086 STW-1086 STW-1 086 e STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1086 STW-1 087 STW-1087 STVE-1098 STVE-1098 g STVE-1098 STVE-1098 STVE-1098 STVE-1098 STSO-1099 STSO-1099 STSO-1 099 STSO-1 099 STSO-1099 STSO-1099 STSO-1099 STSO-1099 STSO-1 099 STSO-1 099 e STSO-1 099 STSO-1 099 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 07/01/06 Am-241 Co-57 Co-60 Cs-134 Cs-137 Fe-55 H-3 Mn-54 Ni-63 Pu-238 Pu-239/40 Sr-90 Tc-99 U-233/4 U-238 Zn-65 Gr. Alpha Gr. Beta Co-57 Co-60 Cs-134 Cs-137 Mn-54 Zn-65 Am-241 Co-57 Co-60 Cs-134 Cs-1 37 K-40 Mn-54 Ni-63 Pu-238 Pu-239/40 U-233/4 U-238 1.29 177.10 158.30 96.40 102.50 956.60 335.30 62.90 0.96 12.80 22.30 2.02 2.03 249.50 0.59 1.69 6.89 8.46 6.87 10.36 7.46 130.00 784.90 2.10 500.70 624.20 701.30 699.20 614.40+/- 0.05+/- 1.00+/- 1.00+/- 1.50< 0.80+/- 18.10+/- 16.50+/- 2.20+/- 3.60+/- 0.07< 0.20+/- 1.60+/- 1.20+/- 0.12+/- 0.12+/- 3.40+/- 0.10+/- 0.07<0.14+/- 0.17+/- 0.16+/- 0.29+/- 0.29+/- 0.50+/- 11.60+/- 3.80+/- 0.90+/- 7.40+/- 4.90+/- 3.40+/- 5.20+/- 17.10 1.30 166.12 153.50 95.10 0.00 129.60 952.01 315.00 60.34 0.91 0.00 13.16 23.38 2.09 2.17 228.16 0.58 1.13 0.00 5.81 7.49 5.50 8.35 5.98 105.47 676.33 1.98 452.13 525.73 604.00 594.25 672.30 82.00 0.00 152.44 158.73 903.61 0.91 -1.69 116.28 -215.96 107.45 -199.55 66.57 -123.63 90.72 -168.48 666.41 -1238.00 220.50 -409.50 42.24 -78.44 0.70 -1.30 9.21 -17.11 16.37 -30.39 1.46 -2.72 1.52 -2.82 159.71 -296.61 0.00-1.16 0.56 -1.70 4.06 -7.55 5.24 -9.73 3.85 -7.14 5.85 -10.86 4.19 -7.78 73.83 -137.11 473.43 -879.23 0.00 -5.00 316.49 -587.77 368.01 -683.45 423.00 -785.00 415.98 -772.52 470.60 -874.00 57.00 -107.00 106.71 -198.17 111.11 -206.35 632.53 -1175.00 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass 79.90 +/- 5.80< 0.70 150.50 +/- 5.90 151.60 +/- 6.00 1021.90 +/- 9.20 STSO-1 099 07/01/06 Zn-65 D-11 TABLE D-5 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEPr ENVIRONMENTAL, INC., 2006 (Page 3 of 3)Concentration b Known Control Lab Codec Date Analysis Laboratory result Activity Limits d Acceptance STAP-1100 07/01/06 Am-241 0.16 +/- 0.03 0.14 0.10 -0.19 Pass STAP-1100 07/01/06 Co-57 2.17 +/- 0.06 2.58 1.81 -3.36 Pass STAP-1100 07/01/06 Co-60 1.38 +/- 0.07 1.58 1.10 -2.05 Pass STAP-1100 07/01/06 Cs-134 2.52 +/- 0.13 3.15 2.20 -4.09 Pass STAP-1100 07/01/06 Cs-137 1.64 +/- 0.08 1.81 1.26-2.35 Pass STAP-1100 07/01/06 Mn-54 1.76 +/- 0.18 1.92 1.34 -2.50 Pass STAP-1100 07/01/06 Pu-238 0.09 +/- 0.02 0.12 0.08 -0.15 Pass STAP-1100 07/01/06 Sr-90 0.66 +/- 0.21 0.62 0.43 -0.81 Pass STAP-1100 07/01/06 U-233/4 0.15 +/- 0.02 0.13 0.09 -0.17 Pass STAP-1100 07/01/06 U-238 0.13 +/- 0.02 0.14 0.10 -0.18 Pass STAP-1100 e 07/01/06 Zn-65 < 0.07 0.00 Pass STAP-1101 07/01/06 Gr. Alpha 0.08 +/- 0.03 0.29 0.00 -0.58 Pass STAP-1101 07/01/06 Gr. Beta 0.41 +/- 0.05 0.36 0.18 -0.54 Pass STW-1102 07/01/06 Gr. Alpha 0.76 +/- 0.07 1.03 0.00 -2.07 Pass STW-1102 07/01/06 Gr. Beta 1.23 +/- 0.06 1.03 0.52 -1.54 Pass STW-1103 07/01/06 Am-241 1.86 +/- 0.09 2.31 1.62 -3.00 Pass STW-1103 07/01/06 Co-57 224.10 +/- 1.20 213.08 149.16 -277.00 Pass STW-1 103 07/01/06 Co-60 49.40 +/- 0.50 47.50 33.20 -61.80 Pass STW-1103 07/01/06 Cs-134 112.70 +/- 0.90 112.82 78.97 -146.66 Pass STW-1103 07/01/06 Cs-137 206.60 +/- 1.40 196.14 137.30 -254.98 Pass STW-1103 07/01/06 Fe-55 138.40 +/- 5.40 165.40 115.80 -215.00 Pass STW-1103 07/01/06 H-3 446.50 +/- 11.80 428.85 300.20 -557.50 Pass STW-1103 e 07/01/06 Mn-54 < 0.30 0.00 Pass STW-1103 07/01/06 Ni-63 116.70 +/- 3.60 118.62 83.03 -154.21 Pass STW-1103 07/01/06 Pu-238 1.27 +/- 0.07 1.39 0.97 -1.81 Pass STW-1103 07/01/06 Pu-239/40 1.67 +/- 0.08 1.94 1.36 -2.52 Pass STW-1103 07/01/06 Sr-90 16.40 +/- 1.90 15.69 10.98 -20.40 Pass STW-1103 07/01/06 Tc-99 29.40 +/- 1.10 27.15 19.00 -35.29 Pass STW-1103 07/01/06 U-233/4 1.97 +/- 0.08 2.15 1.50 -2.80 Pass STW-1103 07/01/06 U-238 1.97 +/- 0.08 2.22 1.55 -2.89 Pass STW-1103 07/01/06 Zn-65 192.50 +/- 2.40 176.37 123.46 -229.28 Pass a Results obtained by Environmental, Inc., Midwest Laboratory as a participant in the Department of Energy's Mixed Analyte Performance Evaluation Program, Idaho Operations office, Idaho Falls, Idaho b Results are reported in units of Bq/kg (soil), Bq/L (water) or Bq/total sample (filters, vegetation).

c Laboratory codes as follows: STW (water), STAP (air filter), STSO (soil), STVE (vegetation).

d MAPEP results are presented as the known values and expected laboratory precision (1 sigma, 1 determination) and control limits as defined by the MAPEP.e Included in the MAPEP as a false positive.f Difficulties with the analyses for transuranics isotopes in solid samples (Filters, Soil and vegetation), were attributed to incomplete dissolution of the samples. Soil samples were repeated, results of reanalyses:

Pu-238, 53.1 +/- 5.3 bq/kg. Pu-239/240, 42.4 +/- 4.7 bq/kg. U-233/4, 33.3 +/- 3.5 bq/kg. U-238, 35.5 +/- 3.6 bq/kg.9 The July vegetation sample was provided in two separate geometries, (100 ml. and 500 ml.). Results reported here used the 500 ml. standard size geometry.

Results for the 100 ml. geometry showed approximately a 15% higher bias.D- 12 APPENDIX E EFFLUENT DATA TABLE OF CONTENTS INTRO DUCTIO N ....................................................................................................................

1 SUM M ARY .............................................................................................................................

2 1.0. EFFLUENTS

..................................................................................................

3 1.1. G aseous Effl uents to the Atm osphere ................................................

3 1.2. Liquids Released to Kankakee River .................................................

3 2.0. SO LID RADIOACTIVE W ASTE ....................................................................

3 3.0. DO SE TO M AN ..............................................................................................

4 3.1. G aseous Effl uent Pathw ays ................................................................

4 3.1.1. Noble G ases ..........................................................................

4 3.1.1.1. G am m a Dose Rates ..............................................

4 3.1.1.2. Beta Air and Skin Dose Rate ..................................

4 3.1.2. Radioactive Iodine .................................................................

5 3.1.2.1. Dose to Thyroid ........................................................

5 3.2. Liquid Effl uent Pathw ays .....................................................................

5 3.3. Assessm ent of Dose to M em ber of Public ..........................................

6 4.0. SITE M ETEO RO LO GY ..................................................................................

6 Table of Contents (cont.)APPENDIX E-1 DATA TABLES AND FIGURES .............................................................

E-1.1 Station Releases Table 1.1-1 Table 1.2-1 Table 3.1-1 Table 3.2-1 Table 3.3-1 Table 3.4-1 Gaseous Effluents Summation of all Releases .........................

E-1.2 Liquid Effluents Summation of all Releases ..........................

E-1.4 Maximum Doses Resulting from Airborne Releases .................

E-1.6 Maximum Doses Resulting from Liquid Effluents

......................

E-1.10 10CFR20 Compliance Assessment

..........................................

E-1.12 Maximum Doses Resulting from Airborne Releases Based On Concurrent Meteorological Data .........................................

E-1.14 ii INTRODUCTION Braidwood Station, a two-unit PWR station, is located in Will County, Illinois, fifteen (15) miles south-southwest of Joliet, Illinois.

Each reactor is designed to have a capacity of 3586.6 thermal megawatts.

Units No. 1 went critical on May 29, 1987, and unit No. 2 went critical on March 8, 1988. The station has been designed to keep releases to the environment at levels below those specified in the regulations.

Liquid effluents from Braidwood Station are released to the Kankakee River in controlled batches after radioassay of each batch. Gaseous effluents are released to the atmosphere and are calculated on the basis of analyses of grab samples of noble gases and tritium, as well as continuously collected composite samples of iodine and particulate activity sampled during the course of the year.The results of effluent analyses are summarized on a monthly basis. Airborne concentrations of noble gases, 1-131, and particulate radioactivity in offsite areas are calculated using effluent and meteorological data.Environmental monitoring is conducted by sampling at indicator and control (background) locations in the vicinity of Braidwood Station to measure changes in radiation or radioactivity levels that may be attributable to station operations.

If significant changes attributable to Braidwood Station are measured, these changes are correlated with effluent releases.

External gamma radiation exposure from noble gases and internal dose from 1-131 in milk are the critical pathways at this site; however, an environmental monitoring program is conducted which also includes other pathways.1

SUMMARY

Calculations based on gaseous and liquid effluents, Kankakee River Flow and meteorological data indicate that public dose due to radioactive material attributable to Braidwood Station during the period does not exceed regulatory or Offsite Dose Calculation Manual (ODCM) limits.The Total Effective Dose Equivalent (TEDE) due to licensed activities at Braidwood Station calculated for the maximally exposed individual for the period is 1.24E+00 mrem. The annual limit on TEDE is 100 mrem.The assessment of radiation doses to the public is performed in accordance with the ODCM. The results of these analyses confirm that the station is operating in compliance with 10CFR50 Appendix I, 10CFR20 and 40CFR190.2

1.0 EFFLUENTS

1.1 Gaseous Effluents to the Atmosphere Measured concentrations of noble gases, radioiodine, and particulate radioactivity released to the atmosphere during the year, are listed in Table 1.1-1.A total of 4.05E+01 curies of fission and activation gases were released with a maximum quarterly average release rate of 1 .16E+00 pCi/sec at Unit 1 and 2.53E+00 pCi/sec at Unit 2.A total of 3.43E-03 curies of 1-131 were released during the year with a maximum average quarterly release rate of 1.36E-04 pCi/sec for Unit 1 and 1.97E-04 pCi/sec for Unit 2.A total of 5.71 E-06 curies of beta-gamma emitters were released as airborne particulate matter with a maximum average release rate of 2.04E-07 pCi/sec at Unit 1 and 2.98E-07 pCi/sec at Unit 2.Alpha-emitting radionuclides were below the lower limit of detection (LLD) for the year.A total of 1.81 E+02 curies of tritium were released with a maximum average quarterly release rate of 3.81 E+00 uCi/sec at Unit 1 and 1.1OE+01 uCi/sec at Unit 2.1.2 Liquids Released to Kankakee River A total of 8.44E+05 liters of radioactive liquid wastes (prior to dilution) containing 3.60E-04 curies (excluding tritium, noble gases and alpha) were discharged from the station. These wastes were released at a maximum quarterly diluted average concentration of 4.99E-1 1 pCi/ml. Alpha-emitting radionuclides were less than the LLD for the year. A total of 3.52E+02 curies of tritium was released from the station. Quarterly release activities are given in Table 1.2-1.2.0 SOLID RADIOACTIVE WASTE Solid radioactive wastes were shipped by truck to the Envirocare of Utah disposal facility; the Barnwell, South Carolina disposal facility and various waste processors.

For detail, refer the Braidwood Station 2006 Radioactive Effluent Release Report.3 3.0 DOSE TO MAN 3.1 Gaseous Effluent Pathways Table 3.1-1 summarizes the doses resulting from releases of airborne radioactivity via the different exposure pathways.Isopleth figures and any references to them were removed from the report in 2004 due to a Change Management decision between the station and the Met Tower contractor.

Associated information for iodine and particulate concentrations in air under previous sections 3.1.2.1 and 3.1.3 has also been removed. Subsequent sections have been renumbered accordingly.

3.1.1 NobleGases

3.1.1.1 Gamma Dose Rates Offsite Gamma air and total body dose rates are shown in Table 3.1-1 and were calculated based on measured effluents and average meteorological data. Based on measured effluents and average meteorological data, the maximum total body dose to an individual would be 8.49E-02 mrem for the year (Table 3.1-1) with an occupancy or shielding factor of 0.7 used. The maximum total body dose based on measured effluents and concurrent meteorological data would be 1.10E-03 mrem (Table 3.4-1). The maximum gamma air dose was 1.87E-03 mrad (Table 3.1-1) based on measured effluents and average meteorological data and 1.93E-03 mrad based on concurrent meteorological date (Table 3.4-1).3.1.1.2 Beta Air and Skin Dose Rates The range of beta particles in air is relatively small (on the order of a few meters or less);consequently, plumes of gaseous effluents may be considered "infinite" for purpose of calculating the dose from beta radiation incident on the skin.However, the actual dose to sensitive skin tissues is difficult to calculate due to the effect of the beta particle energies, thickness of inert skin and 4 clothing covering sensitive tissues. For purposes of this report the skin is taken to have a thickness of 7.0 mg/cm2 and an occupancy factor of 1.0 is used. The skin dose from beta and gamma radiation for the year was 3.07E-03 mrem based on concurrent meteorological data (Table 3.4-1).The maximum offsite beta air dose for the year was 1.17E-03 mrad (Table 3.1-1) based on measured effluents and average meteorological data and 2.69E-03 mrad based on concurrent meteorological data (Table 3.4-1).3.1.2 Radioactive Iodine The human thyroid exhibits a significant capacity to concentrate ingested or inhaled iodine and the radionuclide 1-131. Minimal levels of radioiodine released during routine operation of the station may be made available to man, thus resulting in a dose to the thyroid. The principal pathway of interest for this radionuclide is ingestion of radioiodine in milk. Calculations are performed annually but the levels released from the station in previous years indicated that contributions to doses from inhalation of 1-131 and 1-133, and ingestion of 1-133 in milk are negligible.

3.1.2.1 Dose to.Thyrned The hypothetical thyroid dose to the maximum exposed individual living near the station via ingestion of milk was calculated.

The radionuclide considered was 1-131 and the source of milk was taken to be the nearest dairy farm with the cows pastured from May through October. The maximum thyroid dose did not exceed 1.65E-01 mrem during the year (Table 3.1-1 [infant]).

3.2 Liquid

Effluent Pathways The three principal pathways through the aquatic environment for potential doses to man from liquid waste are ingestion of potable water, eating aquatic foods, and exposure while on the shoreline.

Not all of these pathways are significant or applicable at a given time or station but a reasonable approximation of the dose can be made by adjusting the dose formula for season of the year or type and degree of use of the aquatic environment.

NRC developed 5 equations*

were used to calculate the doses to the whole body, lower GI tracts, thyroid, bone and skin; specific parameters for use in the equations are given in the Exelon Offsite Dose Calculation Manual. The maximum whole body dose for the year was 8.56E-02 mrem and no organ dose exceeded 9.84E-02 mrem (Table 3.2-1[child]).3.3 Assessment of Dose to Member of Public During the period January to December, 2006, Braidwood Station did not exceed the following limits as shown in Table 3.1-1 and Table 3.2-1 (based on annual average meteorological data), Figure 3.1-1 (based on concurrent meteorological data), and Table 3.3-1: The RETS limits on dose or dose commitment to an individual due to radioactive materials in liquid effluents from each reactor unit (1.5 mrem to the whole body or 5 mrem to any organ during any calendar year; 3 mrem to the whole body or 10 mrem to any organ during the calendar year).The RETS limits on air dose in noble gases released in gaseous effluents to a member of the public from each reactor unit (5 mrads for gamma radiation or 10 mrad for beta radiation during any calendar quarter; 10 mrad for gamma radiation or 20 mrad for beta radiation during a calendar year).* The RETS limits on dose to a member of the public due to iodine-131, iodine-133, tritium, and radionuclides in particulate form with half-lives greater than eight days in gaseous effluents released from each reactor unit (7.5 mrem to any organ during any calendar quarter; 15 mrem to any organ during any calendar year).* The 10CFR20 limit on Total Effective Dose Equivalent to individual members of the public (100 mrem) during any calendar year.4.0 SITE METEOROLOGY A summary of the site meteorological measurements taken during each calendar quarter of the year is given in Appendix E. The data are presented as cumulative joint frequency distributions of the wind direction for the 203' level and wind speed class by atmospheric stability class 6 determined from the temperature difference between the 199' and 30'levels. Data recovery for these measurements was 99.7% during 2005.*Nuclear Regulatory Commission, Regulatory Guide 1.109 (Rev. 1)7 APPENDIX E-1 DATA TABLES AND FIGURES E- 1.1 Table 1.1-1 GASEOUS EFFLUENTS SUMMATION OF ALL RELEASES BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2006 GAS RELEASES UNIT 1 (Docket Number 50-456)SUMMATION OF ALL RELEASES Est. Total Units 1 st Qtr 2nd Qtr 3rd Qtr 4th Qtr Err A. Fission and Activation Gas Releases 1. Total Release Activity Ci 9.40E-01 4.97E+00 7.00E-01 9.26E+00 7.59 2. Average Release Rate uCi/sec 1.21E-01 6.32E-01 8.81E-02 1.16E+00 3. Percent of ODCM Limit -gamma % 6.08E-05 9.30E-04 9.76E-04 1.72E-03 4. Percent of ODCM Limit -beta % 2.17E-04 1.48E-03 1.64E-03 3.65E-03 B. Iodine Releases 1. Total 1-131 Activity Ci 1.35E-05 1.07E-03 1.28E-04 1.51E-04 33.20 2. Average Release Rate uCi/sec 1.74E-06 1.36E-04 1.61E-05 1.90E-05 3. Percent of ODCM Limit- gamma % 3.02E-02 3.51E-01 6.22E-01 1.71 E+00 C. Particulate

(> 8 day half-life)

Releases 1. Gross Activity Ci 1.60E-06 <LLD <LLD 2.03E-07 19.80 2. Average Release Rate uCi/sec 2.04E-07 0.00E+00 0.00E+00 2.55E-08 3. Percent of ODCM Limit % N/A N/A N/A N/A 4. Gross Alpha Activity Ci <LLD <LLD <LLD <LLD D. Tritium Releases 1. Total Release Activity Ci 1.03E+01 4.51E+00 2.40E+01 3.03E+01 8.07 2. Average Release Rate 3. Percent of ODCM Limit uCi/sec 1.32E+00 5.74E-01 3.02E+00 3.81E+00 3.02E-02 3.51E-01 I 6.22E-01 1.71E+00 E- 1.2 Table 1.1-1 (continued)

GASEOUS EFFLUENTS SUMMATION OF ALL RELEASES BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2006 GAS RELEASES UNIT 2 (Docket Number 50-457)SUMMATION OF ALL RELEASES Units 1 st Qtr 2nd Qtr 3rd Qtr 4th Qtr EstTrror%A. Fission and Activation Gas Releases 1. Total Activity Released Ci 2.70E-01 3.59E+00 7.29E-01 2.01 E+01 7.59 2. Average Release Rate uCi/sec 3.47E-02 4.57E-01 9.17E-02 2.53E+00 3. Percent of ODCM Limit -gamma % 6.34E-06 7.65E-04 8.14E-04 2.41 E-03 4. Percent of ODCM Limit -beta % 8.64E-05 1.09E-03 1.25E-03 5.35E-03 B. Iodine Releases 1. Total 1-131 Activity Ci <LLD 1.55E-03 1.59E-05 5.11E-04 33.20 2. Average Release Rate uCi/sec 0.OOE+00 1.97E-04 2.00E-06 6.43E-05 3. Percent of ODCM Limit % 1.02E-02 4.55E-01 4.98E-01 4.08E+00 C. Particulate

(> 8 Day Half-Life)

Releases 1. Gross Activity Ci 2.32E-06 1.36E-06 <LLD 2.76E-08 19.80 2. Average Release Rate uCi/sec 2.98E-07 1.75E-07 0.00E+00 3.55E-09 3. Percent of OCDM Limit % N/A N/A N/A N/A 4. Gross Alpha Activity Ci <LLD <LLD <LLD <LLD D. Tritium Releases[. Total Release Activity Ci 7.19E+00 1.75E+01 1.58E-01 8.71E+01 178.077 I 2. Average Release Rate 3. Percent of ODCM Limit uCi/sec 9.25E-01 2.23E+00 1.99E-02 1.10E+01 4 4 4%1.02E-02 4.55E-01 4.98E-01 4.08E+00 E- 1.3 Table 1.2-1 LIQUID EFFLUENTS SUMMATION OF ALL RELEASES BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2006 LIQUID RELEASES UNIT 1 (Docket Number 50-456)SUMMATION OF ALL RELEASES Units 1st Qtr I2nd Qtr 3rd Qtr 4th Qtr Est. Total I I I I I IError %A. Fission and Activation Products 1. Total Activity Released Ci 0.OOE+00 0.00E+00 0.00E+00 1.80E-04 2.64 2. Average Concentration Released uCi/mI 0.00E+00 0.00E+00 0.00E+00 4.99E-1 1 3. Percent of limit %*....B. Tritium 1. Total Activity Released Ci 1.89E-01 1.85E+00 2.07E+00 1.72E+02 5.85 2. Average Concentration Released uCi/mI 4.04E-08 5.91E-07 5.55E-07 4.76E-05 3. % of Limit (1E-2 uCi/ml) % 4.04E-04 5.91E-03 5.55E-03 4.76E-01 C. Dissolved Noble Gases 1. Total Activity Released Ci 0.00E+00 0.00E+00 0.00E+00 3.84E-06 2.64 2. Average Concentration Released uCi/mI 0.00E+00 0.00E+00 0.00E+00 1.06E-12 3. % of Limit (2E-4 uCi/ml) % 0.00E+00 0.OOE+00 0.00E+00 5.32E-07 D. Gross Alpha 12. Total Activity Released Ci <LLD I <LLD I <LLD I <LLD 14.70 2. Average Concentration Released uCi/mI <LLD <LLD <LLD <LLD E. Volume of Releases 1. Volume of Liquid Waste to Discharge liters 10.OOE+00 0.00E+00 0.00E+00 4.22!E+05I

2. Volume of Dilution Water liters 4.68E+09 3.13E+09 3.73E+09 3.61E+09*This limit is equal to 10 times the concentration values in Appendix B, Table 2, Column 2 to 1 0CFR20.1001-20.2402.

E- 1.4 Table 1.2-1 (continued)

LIQUID EFFLUENTS SUMMATION OF ALL RELEASES BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2006 LIQUID RELEASES UNIT 2 (Docket Number 50-457)SUMMATION OF ALL RELEASES Units 1stOtr or rOEst. Total Unis 11 s Qt I2nd Qtr I3rd Qtr I4th Qtr IError %]A. Fission And Activation Products 1. Total Activity Released Ci 0.OOE+00 0.00E+00 0.00E+00 1.80E-04 2.64 2. Average Concentration Released uCi/ml 0.00E+00 0.00E+00 0.0E+00 4.99E-1 1 3. Percent of Limit % ....B. Tritium 1. Total Activity Released Ci 1.89E-01 1.85E+00 2.07E+00 1.72E+02 5.85 2. Average Concentration Released uCi/ml 4.04E-08 5.91E-07 5.55E-07 4.76E-05 3. % of Limit (1E-3 uCi/ml) % 4.04E-03 5.91E-03 5.55E-03 4.76E-01 C. Dissolved Noble Gases 1. Total Activity Released Ci 0.OOE+00 O.00E+00 0.00E+00 3.84E-06 2.64 2. Average Concentration Released uCi/ml 0.OOE+00 0.00E+00 0.00E+00 1.06E-12 3. % of Limit (2E-4 uCi/ml) % 0.00E+00 0.00E+00 0.00E+00 5.32E-07 D. Gross Alpha_1. Total Activity Released Ci <LLD I <LLD I <LLD <LLD 14.70 2. Average Concentration Released uCi/ml <LLD <LLD <LLD <LLD E. Volume of Releases SVolume of Liquid Waste to DischargeI liters 0.00E+00 0.00E+00 0.00E+00 4.22E+05 Volume of Dilution Water liters 4.68E+09 3.13E+09 3.73E+09 3.61E+09*This limit is equal to 10 times the concentration values in Appendix B, Table 2, Column 2 to 10CFR20.1001-2402.

E- 1.5 Table 3.1-1 MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -BY UNIT (Composite Critical Receptor -Limited Analysis)Release ID .............

1 All Gas Release Types Period Start Date .... :.01/01/2006 00:00 Period End Date ...... :.01/01/2007 00:00 Period Duration (min): 5.256E+05 Coefficient Type ..... :.Historical Unit ....................

1 Receptor ...............

5 Composite Crit. Receptor -IP Distance (meters) .... :.0.0 Compass Point ........ :.0.0=== MAXIMUM PERIOD DOSE TO LIMIT (Any Organ)Dose Age Dose Limit Period Group Organ (mrem) Period Strt->End INFANT THYROID 2.57E-01 31-day Qrtr->End INFANT THYROID 2.57E-01 Quarter Year->End INFANT THYROID 2.57E-01 Annual Admin Limit 2.25E-01 5.63E+00 1.13E+01 Admin %of Limit 1. 14E+02 4.57E+00 2. 28E+00 T. Spec Limit 3 .OE-7 .50E+1. 50Ed T.Spec %of Limit-01 8.56E+01-00 3.42E+00-01 1.71E+00 Critical Pathway .........: 3 Grs/Goat/Milk (GMILK)Major Contributors

.......: 0.0 % or greater to total Nuclide Percentage H-3 1-131 1-132 1-133 CE-141 4.48E+00 9. 46E+01 2 .60E-03 8. 41E-01-4.44E-06=== MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End CHILD TBODY Qrtr->End CHILD TBODY Year->End CHILD TBODY TO LIMIT Dose (mrem)1.49E-0 1.49E-0 1.49E-0 (Tot Body))--------

Limit Admin Period Limit 2 31-day 1.50E-01 2 Quarter 5.25E+00 2 Annual 1.05E+01 Admin %of Limit 9. 94E+00 2. 84E-01 1. 42E-01 T. Spec Limit 2. OOE-01 7.50E+00 1. 50E+01 T.Spec %of Limit 7.46E+00 1. 99E-01 9. 94E-02 Critical Pathway ........ :.2 Vegetation (VEG)Major Contributors

...... :.0.0 % or greater to total Nuclide Percentage H-3 9.86E+01 1-131 1.23E+00 1-132 4.67E-03 1-133 1.52E-02 CE-141 7.78E-05 Date/Time:

04/19/2007 10:16 retdasID:

Retdas E- 1.6 Table 3.1-1 (continued)

MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -BY UNIT (Composite Critical Receptor -Limited Analysis)Release ID .............

1 All Gas Release Types Period Start Date .... ..01/01/2006 00:00 Period End Date ...... ..01/01/2007 00:00 Period Duration (min): 5.256E+05 Coefficient Type ..... :.Historical Unit ....................

1 Receptor ...............

4 Composite Crit. Receptor -NG Distance (meters) .... :.0.0 Compass Point ........ :.0.0==- MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)Strt->End Gamma 1.72E-04 Qrtr->End Gamma 1.72E-04 Year->End Gamma 1.72E-04 Major Contributors

...... ..0.0 % or Nuclide Percentage AR-41 3.21E+00 KR-85M 6.99E-01 KR-85 3.60E-01 KR-87 3.95E-01 XE-133M 6.84E-01 KR-88 9.43E+00 XE-131M 2.97E-01 XE-135 2.57E+01 XE-133 5.92E+01=-- MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)Strt->End Beta 7.31E-04 Qrtr->End Beta 7.31E-04 Year->End Beta 7.31E-04 Major Contributors

...... :.0.0 % or Nuclide Percentage AR-41 4.36E-01 KR-85M 4.31E-01 KR-85 1.57E+01 KR-87 2.54E-01 XE-133M 1.19E+00 KR-88 7.OOE-01 XE-131M 8.12E-01 XE-135 1.27E+01 XE-133 6.78E+01 (Gamma)Limit Period 31-day Quarter Annual greater Admin Admin % T.Spec T.Spec %Limit of Limit Limit of Limit 1.50E-01 1.15E-01 2.OOE-01 8.62E-02 3.75E+00 4.60E-03 5.OOE+00 3.45E-03 7.50E+00 2.30E-03 1.OOE+01 1.72E-03 to total (Beta))Limit Period 31-day Quarter Annual greater Admin Admin % T.Spec Limit of Limit Limit 3.OOE-01 2.44E-01 4.OOE-01 7.50E+00 9.74E-03 1.OOE+01 1.50E+01 4.87E-03 2.OOE+01 to total T.Spec %of Limit 1. 83E-01 7. 31E-03 3. 65E-03 Date/Time:

04/19/2007 10:16 retdasID:

Retdas E- 1.7 Table 3.1-1 (continued)

MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -BY UNIT (Composite Critical Receptor -Limited Analysis)Release ID .............

1 All Gas Release Types Period Start Date .... :.01/01/2006 00:00 Period End Date ...... :.01/01/2007 00:00 Period Duration (min): 5.256E+05 Coefficient Type ..... :.Historical Unit ....................

2 Receptor ...............

5 Composite Crit. Receptor -IP Distance (meters) .... :.0.0 Compass Point ........ :.0.0 MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End INFANT THYROID Qrtr->End INFANT THYROID Year->End INFANT THYROIDýO LIMIT Dose (mrem)6. 11E-0 6. 11E-0 6. 11E-0 (Any Organ)Limit Period 1 31-day 1 Quarter 1 Annual Admin Admin % T.Spec T.Spec %Limit of Limit Limit of Limit 2.25E-01 2.72E+02 3.OOE-01 2.04E+02 5.63E+00 1.09E+01 7.50E+00 8.15E+00 1.13E+01 5.44E+00 1.50E+01 4.08E+00 Critical Pathway ........ :.3 Grs/Goat/Milk (GMILK)Major Contributors

...... :.0.0 % or greater to total Nuclide Percentage H-3 3.17E+00 1-131 9.67E+01 1-132 1.68E-03 1-133 1.62E-01 MAXIMUM PERIOD DOSE TO LIMIT (Tot Body))Dose Period Strt->End Qrtr->End Year->End Age Group Organ CHILD TBODY CHILD TBODY CHILD TBODY Dose Limit Admin (mrem) Period Limit 2.54E-02 2.54E-02 2 .54E-02 31-day 1.50E-01 Quarter 5.25E+00 Annual 1.05E+01 Admin % T.Spec T.Spec %of Limit Limit of Limit 1.69E+01 2.OOE-01 1.27E+01 4.83E-01 7.50E+00 3.38E-01 2.41E-01 1.50E+01 1.69E-01 Critical Pathway .........Major Contributors

.......Nuclide Percentage H-3 9.82E+01 1-131 1.76E+00 1-132 4.26E-03 1-133 4.06E-03 Date/Time:

04/19/2007 10: 2 Vegetation (VEG)0.0 % or greater to total 32 retdasID:

Retdas E- 1.8 Table 3.1-1 (continued)

MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -BY UNIT (Composite Critical Receptor -Limited Analysis)Release ID .............

1 All Gas Release Types Period Start Date .... :.01/01/2006 00:00 Period End Date ...... :.01/01/2007 00:00 Period Duration (min): 5.256E+05 Coefficient Type ..... :.Historical Unit ....................

2 Receptor ...............

4 Composite Crit. Receptor -NG Distance (meters) .... :.0.0 Compass Point ........ :.0.0 MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)Strt->End Gamma 2.41E-04 Qrtr->End Gamma 2.41E-04 Year->End Gamma 2.41E-04 Major Contributors

...... :.0.0 % or Nuclide Percentage AR-41 1.63E+00 XE-137 0.OOE+00 KR-85M 5.01E-01 KR-85 2.58E-01 KR-87 2.83E-01 XE-133M 4.89E-01 KR-88 6.75E+00 XE-131M 2.12E-01 XE-135 1.83E+01 XE-133 7.15E+01 MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)Strt->End Beta 1.07E-03 Qrtr->End Beta 1.07E-03 Year->End Beta 1.07E-03 Major Contributors

...... : 0.0 % or Nuclide Percentage (Gamma)Limit Period 31-day Quarter Annual greater Admin Admin %Limit of Limit 1.50E-01 1.61E-01 3.75E+00 6.43E-03 7.50E+00 3.21E-03 to total T.Spec T.Spec %Limit of Limit 2.OOE-01 1.20E-01 5.OOE+00 4.82E-03 1.OOE+01 2.41E-03 (Beta))Limit Period 31-day Quarter Annual greater Admin Admin % T.Spec T.Spec %Limit of Limit Limit of Limit 3.OOE-01 3.57E-01 4.OOE-01 2.68E-01 7.50E+00 1.43E-02 1.OOE+01 1.07E-02 1.50E+01 7.14E-03 2.OOE+01 5.35E-03 to total AR-41 XE-137 KR-85M KR-85 KR-87 XE-133M KR-88 XE-131M XE-135 XE-133 Date/Time:

2. lE-01 0 OOE+00 2 .94E-01 1. 07E+01 1. 73E-01 8. 13E-01 4. 78E-01 5. 54E-01 8. 62E+00 7. 81E+01 04/19/2007 10:32 retdasID:

Retdas E- 1.9 Table 3.2-1 MAXIMUM DOSES RESULTING FROM LIQUID EFFLUENTS LIQUID RELEASE AND DOSE

SUMMARY

REPORT------- (PERIOD BASIS -BY UNIT)------

Release ID ..............

1 All Liquid Release Types Period Start Date ..... :.01/01/2006 00:00 Period End Date ....... :.01/01/2007 00:00 Period Duration (mins): 5.256E+05 Unit .....................

1 Receptor ................

0 Liquid Receptor MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End CHILD GILLI Qrtr->End CHILD GILLI Year->End CHILD GILLI TO LIMIT Dose (mrem)5.97E-0 5.97E-0 5.97E-0 (Any Organ)--------

Limit Admin Period Limit 2 31-day 1.50E-01 2 Quarter 3.75E+00 2 Annual 7.50E+00 Admin % T.Spec T.Spec %of Limit Limit of Limit 3.98E+01 2.OOE-01 2.99E+01 1.59E+00 5.OOE+00 1.19E+00 7.96E-01 1.OOE+01 5.97E-01 Critical Pathway ........ :.0 Potable Water (PWtr)Major Contributors

...... :.0.0 % or greater to total Nuclide Percentage H-3 1.OOE+02 CO-60 7.57E-03=== MAXIMUM PERIOD DOSE TO LIMIT (Tot Body))Dose Period Strt->End Qrtr->End Year->End Age Group CHILD CHILD CHILD Organ TBODY TBODY TBODY Dose (mrem)5.97E-02 5. 97E-02 5. 97E-02 Limit Period 31-day Quarter Annual Admin Limit 4.50E-02 1. 13E+00 2. 25E+00 Admin %of Limit 1 .33E+02 5.31E+00 2. 65E+00 T.Spec Limit 6. OOE-02 1.50E+00 3. OOE+00 T.Spec %of Limit 9. 95E+01 3. 98E+00 1. 99E+00 Critical Pathway .........Major Contributors

.......Nuclide Percentage H-3 1.OOE+02 CO-60 4.04E-03 Date/Time:

04/17/2007 13:, 0 Potable Water (PWtr)0.0 % or greater to total)2 retdasID:

Retdas E- 1.10 Table 3.2-1 (continued)

MAXIMUM DOSES RESULTING FROM LIQUID EFFLUENTS LIQUID RELEASE AND DOSE

SUMMARY

REPORT-------(PERIOD BASIS -BY UNIT)------

Release ID ..............

1 All Liquid Release Types Period Start Date ..... :.01/01/2006 00:00 Period End Date ....... :.01/01/2007 00:00 Period Duration (mins): 5.256E+05 Unit .....................

2 Receptor ................

0 Liquid Receptor--- MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End CHILD GILLI Qrtr->End CHILD GILLI Year->End CHILD GILLI TO LIMIT Dose (mrem)5.97E-0 5.97E-0 5.97E-0 (Any Organ)Limit Admin Admin % T.Spec T.Spec %Period Limit of Limit Limit of Limit 2 31-day 1.50E-01 3.98E+01 2.OOE-01 2.99E+01 2 Quarter 3.75E+00 1.59E+00 5.OOE+00 1.19E+00 2 Annual 7.50E+00 7.96E-01 1.OOE+01 5.97E-01 Critical Pathway .........

0 Potable Water (PWtr)Major Contributors

...... :.0.0 % or greater to total Nuclide Percentage H-3 1.OOE+02 CO-60 7.57E-03=== MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End CHILD TBODY Qrtr->End CHILD TBODY Year->End CHILD TBODY TO LIMIT (Tot Body))Dose Limit Admin Admin %(mrem) Period Limit of Limit 5.97E-02 31-day 4.50E-02 1.33E+02 5.97E-02 Quarter 1.13E+00 5.31E+00 5.97E-02 Annual 2.25E+00 2.65E+00 T.Spec T.Spec %Limit of Limit 6.OOE-02 9.95E+01 1.50E+00 3.98E+00 3.OOE+00 1.99E+00 Critical Pathway .........Major Contributors

.......Nuclide Percentage H-3 1.OOE+02 CO-60 4.04E-03 0 Potable Water (PWtr)0.0 % or greater to total Date/Time:

04/17/2007 13:24 retdasID:

Retdas E- 1.11 Table 3.3-1 1OCFR20 COMPLIANCE ASSESSMENT Braidwood Nuclear Station Unit 1 10 CFR 20 Compliance Assessment Period of Assessment:

1/1/06 through 12/31/06 Calculated 5/8/07 10 CFR 20.1301(A)(1)

COMPLIANCE Total Effective Dose Equivalent (TEDE)10 CFR 20.1301(a)(1) limit mrem/year mrem/year% of limit 4.41 E-01 100.00 0.44 COMPLIANCE

SUMMARY

1 st Qtr TEDE (mrem) 1.46E-02 2 nd Qtr 8.30E-02 3 rd Qtr 8.01 E-02 4 th Qtr 2.63E-02 Total 4.41 E-01 E- 1.12 Table 3.3-1 (continued) 10CFR20 COMPLIANCE ASSESSMENT Braidwood Nuclear Station Unit 2 10 CFR 20 Compliance Assessment Period of Assessment:

1/1/06 through 12/31/06 Calculated 5/8/07 10 CFR 20.1301(A)(1)

COMPLIANCE Total Effective Dose Equivalent (TEDE)10 CFR 20.1301(a)(1) limit mrem/year mrem/year% of limit 7.97E-01 100.00 0.80 COMPLIANCE

SUMMARY

1 st Qtr TEDE (mrem) 1.16E-02 2 nd Qtr 1.02E-01 3 rd Qtr 4.59E-02 4 th Qtr 6.37E-01 Total 7.97E-01 E- 1.13 Table 3.4-1 MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES BASED ON CONCURRENT METEORLOGICAL DATA Braidwood Station -Unit 1 MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES 2006 TYPE OF DOSE FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH QUARTER ANNUAL GAMMA AIR (mrad)BETA AIR (mrad)WHOLE BODY (mrem)SKIN (mrem)ORGAN (mrem)CRITICAL PERSON CRITICAL ORGAN 4.690E-06(NNW) 5.390E-05(WNW) 2.270E-06(NNW) 2.200E-05(WNW) 3.030E-04(WNW) 9.010E-05(WNW) 5.620E-04 (WNW)5.340E-05( SW)2. 990E-04 (WNW)2.760E-04 (WNW)5.600E-06( W 6.310E-05( W 3.100E-06( W 2.620E-05( W 1.180E-03( W 1.080E-04(NNW) 8.150E-04(NNW) 5.490E-05(NNW) 3.540E-04(NNW) 1.530E-03(NNW) 1.908E-04(NNW) 1.250E-03(NNW) 9.870E-05(NNW) 5.948E-04(NNW) 2.732E-03(NNW)

Teenager Thyroid Teenager Thyroid Teenager Thyroid Teenager Thyroid Teenager Thyroid COMPLIANCE STATUS 10 CFR 50 APP. I QUARTERLY OBJECTIVE 10 CFR 50 APP.I% OF APP. I YEARLY OBJECTIVE TYPE OF DOSE% OF APP. I GAMMA AIR (mrad)BETA AIR (mrad)WHOLE BODY (mrem)SKIN (mrem)ORGAN (mrem)CRITICAL PERSON CRITICAL ORGAN 5.0 10.0 2.5 7.5 7.5 0.00 0.01 0.00 0.00 0.02 10.0 20.0 5.0 15.0 15.0 0.00 0.01 0.00 0.00 0.02 Teenager Thyroid Teenager Thyroid Calculation used release data from the following:

Unit 1 -Vent Date of calculation:

3/29/2007 E- 1.14 Table 3.4-1 (continued)

MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES BASED ON CONCURRENT METEORLOGICAL DATA Braidwood Station -Unit 2 MAXIMUM DOSES RESULTING FROM AIRBORNE RELEASES 2006 TYPE OF DOSE GAMMA AIR (mrad)BETA AIR (mrad)WHOLE BODY (mrem)SKIN (mrem)ORGAN (mrem)CRITICAL PERSON CRITICAL ORGAN FIRST QUARTER 4.930E-07(NNW) 2.150E-05(WNW) 2.060E-07(NNW) 1.060E-05(WNW) 2.110E-04(WNW)

SECOND QUARTER 7.630E-05(WNW) 4.440E-04 (WNW)4.660E-05( SW)2.600E-04 (WNW)4. 030E-04 (WNW)THIRD QUARTER 5.880E-06( W 6.530E-05( W 2.890E-06( W 2.660E-05( W 7.620E-04( W FOURTH QUARTER 2.340E-04(NNW)

1. 660E-03 (NNW)1.210E-04(NNW) 6.750E-04(NNW) 4.420E-03(NNW)

ANNUAL 3.021E-04(NNW) 1.995E-03(NNW) 1.577E-04(NNW) 8.790E-04(NNW) 5.354E-03(NNW)

Teenager Liver Teenager Thyroid Teenager Thyroid Teenager Thyroid Teenager Thyroid COMPLIANCE STATUS 10 CFR 50 APP. I QUARTERLY OBJECTIVE 10 CFR 50 APP.I YEARLY OBJECTIVE TYPE OF DOSE% OF APP. I% OF APP. I GAMMA AIR (mrad) 5.0 0.00 BETA AIR (mrad) 10.0 0.02 WHOLE BODY (mrem) 2.5 0.00 SKIN (mrem) 7.5 0.01 ORGAN (mrem) 7.5 0.06 CRITICAL PERSON Teena CRITICAL ORGAN Thyro Calculation used release data from the following:

Unit 2 -Vent Date of calculation:

3/29/2007 10.0 20.0 5.0 15.0 15.0 0.00 0.01 0.00 0.01 0.04 ger id Teenager Thyroid E- 1.15 APPENDIX F METEOROLOGICAL Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Extremely Unstable -199Ft-30Ft Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 6 4 2 1 0 0 1 5 1 10 9 1 0 10 1 1 1 3 2 1 10 3 2 5 6 18 15 16 19 0 4 0 0 0 0 0 0 4 3 6 3 4 2 5 1 2 0 0 0 0 0 0 0 0 0 0 2 3 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 14 2 2 2 9 6 3 15 6 10 12 16 22 32 27 22 0 Total 1 43 113 34 8 1 200 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Moderately Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Wind Speed (in mph)4-7 8-12 13-18 19-24 > 24 Total 1-3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6 4 2 2 0 1 2 0 10 0 0 0 5 7 1 0 0 0 2 4 5 8 3 6 3 0 0 0 0 10 0 0 Total 1 23 30 17 2 1 74 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: January -March 2006 flass -Slightly Unstable -199Ft-30Ft Stability C Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 8 4 7 4 3 0 0 5 3 5 3 5 12 6 4 13 0 Total 1 26 36 16 2 1 82 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 0 all stability classes: 0 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Neutral-199Ft-30Ft Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE 0 19 28 2 26 33 2 5 0 17 33 15 0 0 0 0 0 0 9 31 22 4 16 4 1 11 14 0 26 10 0 12 21 0 0 0 0 9 0 49 0 66 0 65 0 62 0 24 0 26 0 36 0 42 0 57 0 36 0 66 0 46 0 72 0 161 0 79 0 119 S SSW 0 0 0 3 40 14 2 10 23 5 42 17 SW WSW W WNW NW NNW Variable 0 21 21 3 3 15 20 25 4 42 86 24 3 39 35 2 3 30 55 31 0 0 0 0 0 0 Total 29 315 474 170 18 0 1006 Hours of calm in this stability class: 0 Hours of missing wind measurements in this s Hours of missing stability measurements in a tability class: 0 11 stability classes: 0 Braidwood Nuclear Station Period of Record: January -March 2006-199Ft-30Ft Delta-T (F)Stability Class -Slightly Stable Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE 1-3 7 4-7 8-12 13-18 19-24 > 24 Total 6 14 12 1 2 0 16 4 ENE E ESE SE SSE S SSW SW WSW W WNW 13 9 26 16 2 0 0 0 3 1 0 0 0 7 0 0 0 9 27 14 2 20 21 0 17 25 0 11 41 11 0 1 14 26 0 0 0 0 0 1 2 0 0 0 1 0 14 0 28 0 23 0 25 0 42 0 50 0 43 0 49 0 64 0 43 0 30 0 38 0 31 0 55 0 45 0 26 1 6 18 0 30 6 23 20 28 15 29 6 14 8 2 4 5 0 0 2 NW NNW Variable Total 1 5 0 158 0 1 0 56 0 0 0 4 0 135 0 253 0 0 0 606 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Moderately Stable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N 1-3 4 4-7 8-12 13-18 19-24 > 24 Total 3 0 0 0 0 0 7 NNE NE ENE E ESE SE SSE S SSW SW WSW W 0 0 0 7 7 6 0 10 0 0 0 0 0 0 1 1 0 1 2 5 7 22 14 18 WNW NW NNW Variable Total 17 6 0 2 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 29 0 32 0 19 0 0 7 0 77 59 0 137 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 0 all stability classes: 0 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Extremely Stable -199Ft-30Ft Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 2 0 0 0 0 0 2 NNE 0 0 0 0 0 0 0 NE 0 0 0 0 0 0 0 ENE 1 0 0 0 0 0 1 E 2 0 0 0 0 0 2 ESE 2 0 0 0 0 0 2 SE 0 0 0 0 0 0 0 SSE 0 0 0 0 0 0 0 S 0 0 0 0 0 0 0 SSW 1 0 0 0 0 0 1 SW 1 0 0 0 0 0 1 WSW 0 0 0 0 0 0 0 W 4 1 0 0 0 0 5 WNW 0 0 0 0 0 0 0 NW 6 0 0 0 0 0 6 NNW 1 0 0 0 0 0 1 Variable 0 0 0 0 0 0 0 Total 20 1 0 0 0 0 21 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Stability Period of Record: January -Class -Extremely Unstable Winds Measured at 203 March 2006-199Ft-30Ft Delta-T (F)Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE 1-3 0 0 0 0 0 0 0 4-7 8-12 13-18 19-24 > 24 Total 0 1 0 0 2 1 2 0 0 0 1 1 0 8 1 1 0 4 1 0 5 3 0 1 9 9 4 0 0 2 6 2 3 4 1 0 6 8 5 SSE S SSW SW WSW W 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 3 4 3 2 1 2 4 1 1 0 0 0 0 1 2 0 12 0 0 4 6 0 13 2 1 13 0 8 7 4 3 13 1 20 1 17 4 32 0 32 0 18 WNW NW NNW Variable Total 3 10 11 4 0 0 8 19 8 0 9 0 0 0 0 15 68 80 23 14 200 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Moderately Unstable -199Ft-3QFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 0 1 4 0 1 0 6 NNE 0 2 3 0 0 0 5 NE 0 0 0 1 0 0 1 ENE 0 0 0 2 0 0 2 E 0 0 0 0 0 0 0 ESE 0 0 0 1 0 0 1 SE 0 0 1 2 3 0 6 SSE 0 0 3 1 2 1 7 S 0 0 2 1 4 0 7 SSW 0 0 1 0 2 1 4 SW 0 0 0 1 1 0 2 WSW 0 0 3 1 0 1 5 W 0 1 2 0 0 0 3 WNW 1 1 4 3 1 1 11 NW 0 2 4 0 1 0 7 NNW 0 2 2 4 0 0 8 Variable 0 0 0 0 0 0 0 Total 1 9 29 17 15 4 75 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: January -Stability Class -Slightly Unstable Winds Measured at 203 March 2006-199Ft-3OFt Delta-T (F)Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE 1-3 0 0 0 0 0 0 0 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 0 0 0 0 1 0 7 4 6 5 2 1 SSE S SSW SW WSW W WNW NW 0 2 4 3 0 0 0 1 5 0 2 2 0 0 0 0 7 1 10 0 0 6 6 NNW Variable Total 0 0 4 0 3 0 3 0 2 0 0 12 0 0 0 12 32 19 14 5 82 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 1 all stability classes: 3 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Neutral -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total Wind Speed (in mph)8-12 13-18 19-24 > 24 Total 1-3 4-7 8 24 17 7 29 22 5 9 23 9 23 22 4 16 10 0 8 7 5 18 18 3 13 12 1 6 21 0 3 7 2 12 30 6 23 16 4 14 9 9 35 58 3 33 46 8 37 41 0 0 0 1 0 6 0 23 0 3 0 0 0 10 0 6 0 11 2 25 0 22 9 14 1 5 1 16 15 26 20 21 2 21 5 0 0 50 65 60 57 30 25 47 41 53 41 59 51 59 150 107 113 0 7 74 303 359 210 55 1008 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Slightly Stable -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 4 12 10 6 10 5 4 1 0 1 2 1 2 6 13 2 0 9 14 9 9 24 12 14 13 8 1 7 16 12 21 34 21 0 2 3 2 0 10 21 28 25 30 17 7 16 11 15 8 6 0 0 0 2 1 1 6 1 8 16 26 5 0 0 3 0 0 0 17 29 26 18 49 44 50 52 60 58 22 35 25 46 55 29 0 Total 15 79 224 201 69 27 615 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: January-March 2006 Stability Wind Direction N NNE NE ENE E ESE SE SSE Class -Moderately Stable -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)1-3 0 0 0 1 1 1 1 2 0 4-7 8-12 13-18 19-24 > 24 Total 0 9"0 11 0 0 0 0 0 0 0 0 0 0 9 6 2 5 6 8 S 1 SSW SW WSW W WNW NW NNW Variable Total 1 1 0 1 1 1 1 0 1 1 4 1 4 10 2 11 2 20 4 13 9 6 0 0 0 0 0 0 0 1 0 16 0 23 0 29 0 18 0 0 0 0 12 26 77 33 0 149 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 1 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: January -March 2006 Stability Class -Extremely Stable -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 0 0 5 0 0 0 5 NNE 0 0 0 0 0 0 0 NE 0 0 0 0 0 0 0 ENE 0 0 1 0 0 0 1 E 0 0 0 0 0 0 0 ESE 0 0 1 0 0 0 1 SE 0 1 1 0 0 0 2 SSE 0 0 0 0 0 0 0 S 0 1 2 0 0 0 3 SSW 1 0 0 0 0 0 1 SW 2 0 0 0 0 0 2 WSW 1 1 0 0 0 0 2 W 0 2 0 0 0 0 2 WNW 1 3 0 0 0 0 4 NW 0 0 0 0 0 0 0 NNW 0 2 1 0 0 0 3 Variable 0 0 0 0 0 0 0 Total 5 10 11 0 0 0 26 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Extremely Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total ii 29 11 10 6 10 26 8 8 2 5 14 15 19 20 0 13 18 16 4 3 5 8 6 14 18 8 1 13 23 17 18 0 185 1 2 2 0 0 0 1 1 4 9 4 4 11 10 3 2 0 54 25 31 47 15 13 12 20 33 29 35 14 10 38 48 39 41 0 6 205 0 450 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 0 all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Moderately Unstable -199Ft-30Ft Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 3 4 8 3 0 1 2 4 3 2 2 3 3 4 4 0 0 8-12 13-18 19-24 > 24 1 0 0 0 8 0 1 0 4 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 1 0 0 3 1 0 0 3 0 1 0 2 0 0 0 3 1 0 0 2 2 0 0 5 0 0 0 3 1 0 0 5 1 0 0 1 0 0 0 0 0 0 0 Total 4 14 13 4 0 3 4 8 7 4 6 8 8 8 10 2 0 Total 4 46 43 this stability class: 8 2 0 103 Hours of calm in Hours of missing 0 wind measurements in this stab'ility class: 0 stability classes: Hours of missing stability measurements in all 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Slightly Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total 1-3 1 0 1 1 1 2 1 0 0 0 1 0 0 0 2 0 0 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 2 8 2 1 5 1 7 9 6 3 3 1 1 9 9 0 0 10 27 29 0 72 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Neutral Winds Measured at Wind Speed Wind-199Ft-3OFt Delta-T (F)34 Feet (in mph)Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 14 32 49 29 13 14 6 8 8 4 5 11 18 17 6 11 0 4 24 20 12 7 18 11 24 17 11 22 7 11 30 14 9 0 0 10 5 0 1 0 11 9 4 4 4 1 7 8 4 1 0 69 24 69 82 46 23 32 30 44 33 20 31 20 39 57 26 27 0 Total 45 245 241 3 0 603 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Slightly Stable -199Ft-30Ft Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 8 9 1 0 0 0 18 NNE 5 16 2 0 0 0 23 NE 14 12 0 1 0 0 27 ENE 23 13 1 0 0 0 37 E 16 9 2 0 0 0 27 ESE 8 28 14 2 0 0 52 SE 5 18 6 2 0 0 31 SSE 6 30 21 1 0 0 58 S 2 37 50 4 1 0 94 SSW 4 9 11 11 1 0 36 SW 3 22 7 2 0 0 34 WSW 5 22 2 1 0 0 30 W 8 16 1 0 0 0 25 WNW 13 17 3 0 0 0 33 NW 12 14 2 0 0 0 28 NNW 4 14 1 0 0 0 19 Variable 0 0 0 0 0 0 0 Total 136 286 124 24 2 0 572 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Moderately Stable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 N 5 4 0 0 0 0 NNE 2 4 0 0 0 0 NE 2 0 0 0 0 0 ENE 5 1 0 0 0 0 E 20 0 0 0 0 0 ESE 14 6 1 0 0 0 SE 4 11 0 0 0 0 SSE 2 4 0 0 0 0 S 2 2 0 0 0 0 SSW 3 3 0 0 0 0 SW 2 7 1 0 0 0 WSW 5 17 0 0 0 0 W 20 3 0 0 0 0 WNW 25 10 0 0 0 0 NW 13 1 0 0 0 0 NNW 14 3 0 0 0 0 Variable 0 0 0 0 0 0 Total 9 6 2 6 20 21 15 6 4 6 10 22 23 35 14 17 0 Total 138 76 2 0 0 0 216 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Extremely Stable Winds Measured at-199Ft-3OFt Delta-T (F)34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S 1-3 4 4-7 8-12 13-18 19-24 > 24 Total 1 0 0 0 0 0 0 5 5 0 5 3 2 0 0 0 1 SSW SW WSW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 5 3 3 1 2 W WNW NW NNW Variable Total 4 9 9 7 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 0 12 0 10 0 0 0 7 5 0 55 15 0 70 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Extremely Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12' 13-18 19-24 > 24 Total N 0 6 12 8 0 0 26 NNE 0 3 16 8 3 0 30 NE 0 14 14 15 2 0 45 ENE 0 10 11 0 0 0 21 E 0 7 6 3 1 0 17 ESE 0 2 6 6 0 0 14 SE 1 10 6 5 0 1 23 SSE 0 18 6 2 1 0 27 S 1 6 15 10 3 1 36 SSW 0 5 5 7 5 0 22 SW 0 1 2 7 2 0 12 WSW 0 3 6 1 4 0 14 W 0 1 13 5 7 1 27 WNW 0 4 10 20 10 1 45 NW 0 10 17 14 2 0 43 NNW 0 13 20 7 3 0 43 Variable 0 0 0 0 0 0 0 Total 2 113 165 118 43 4 445 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 11 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Moderately Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 4-7 8-12 13-18 19-24 > 24 Total 1 4 0 5 3 1 0 2 1 3 2 2 3 2 1 2 4 1 0 0 0 4 1 1 16 0 11 1 1 0 0 0 1 0 0 0 2 0 1 1 0 0 8 0 0 1 7 0 4 5 5 0 0 1 7 0 0 0 0 0 6 7 7 7 7 1 11 0 0 2 0 Total 3 29 30 32 4 106 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stabil ity class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Slightly Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 0 0 1 0 1 1 1 4-7 8-12 13-18 19-24 > 24 Total 0 1 4 1 1 1 1 0 1 1 0 0 0 0 0 0 2 3 0 0 0 0 0 0 0 1 2 4 4 1 0 5 2 8 6 0 0 7 0 0 0 0 0 0 1 0 5 0 0 0 0 2 3 2 0 3 9 0 0 8 0 Total 6 15 20 21 4 3 69 4 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Neutral -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 10 13 7 9 7 1 2 5 3 2 0 0 5 7 4 9 0 7 17 45 29 12 3 3 5 6 3 8 7 14 14 6 11 0 3 13 35 11 4 23 13 12 12 14 13 9 5 13 10 4 0 0 6 4 5 5 8 12 8 2 7 2 1 2 25 9 1 0 0 5 3 0 0 1 7 2 5 2 1 1 2 5 2 1 0 21 55 97 57 28 37 38 32 28 28 25 18 28 65 31 30 0 Total 16 84 190 194 97 37 618 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stabil ity class: 5 Hours of missing stability measurements in all st]abi]lity classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Slightly Stable -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 1 NNE 0 NE 0 ENE 0 E 0 ESE 3 SE 2 SSE 1 S 1 SSW 1 SW 0 WSW 3 W 0 WNW 0 NW 1 NNW 1 Variable 0 10 20 14 18 21 7 11 15 10 4 20 15 17 11 17 22 0 3 1 7 5 9 18 9 26 69 13 9 4 2 14 3 3 0 0 0 0 0 3 12 2 3 13 9 1 2 0 0 2 0 0 16 29 30 32 40 48 27 49 98 35 33 27 26 35 25 28 0 Total 14 72 232 Hours of calm in this stability class: 195 47 18 578 0 Hours of missing wind measurements in this stability class: 14 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Moderately Stable -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 0 7 6 3 0 0 0 4 5 4 0 0 0 4 5 0 0 0 1 3 2 0 0 0 1 4 11 0 0 0 0 1 4 8 0 0 0 3 13 10 0 0 0 2 2 2 0 0 0 1 2 1 0 0 0 0 7 1 0 0 0 4 4 2 0 0 1 2 8 1 0 0 1 3 9 9 0 0 1 2 16 9 0 0 1 2 12 4 0 0 1 2 17 0 0 0 0 0 0 0 0 0 Total 16 13 9 6 16 13 26 6 4 8 10 12 22 28 19 20 0 Total 7 44 123 54 0 0 228 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 0 all stability classes: 0 Braidwood Nuclear Station Period of Record: April -June 2006 Stability Class -Extremely Stable -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 16 13 7 1 1 10 8 3 1 0 1 5 6 12 7 12 0 Total 14 40 37 12 0 0 103 3 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Extremely Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 2 2 21 15 8 3 13 16 15 6 14 14 38 23 17 9 0 3 4 21 1 0 0 1 8 10 19 32 16 8 6 1 8 0 5 6 42 16 8 3 18 24 25 31 53 33 48 31 19 18 0 Total 11 216 138 15 0 0 380 Hours of calm in Hours of missing this stability class: 0 wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Moderately Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE 1-3 0 0 0 4-7 8-12 13-18 19-24 > 24 Total 3 3 3 0 1 6 0 0 0 0 0 0 0 0 0 3 4 9 ENE 0 10 0 10 E ESE SE SSE S SSW SW WSW W WNW 0 0 0 0 0 0 3 1 6 5 5 3 0 10 0 0 0 0 5 5 3 7 NW NNW 1 0 7 0 2 0 Variable Total 0 0 3 0 0 0 0 10 0 0 5 58 23 0 89 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 0 all stability classes: 0 Braidwood Nuclear Station Stability Period of Record: July -Class -Slightly Unstable Winds Measured at September 2006-199Ft-30Ft Delta-T (F)34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W 1-3 2 4-7 8-12 13-18 19-24 > 24 Total 1 0 0 0 3 0 1 I 0 0 13 0 0 8 2 3 5 i 0 0 0 0 0 7 0 0 5 1 0 0 0 0 0 14 0 7 0 11 WNW 1 NW 2 0 0 0 3 5 NNW Variable 0 0 2 0 0 Total 10 52 31 2 0 0 95 Hours of calm in Hours of missing Hours of missing this stability class: wind measurements in this stability measurements in 0 stability class: all stability cl.0 asses: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Neutral Winds Measured at Wind Speed Wind-199Ft-30Ft Delta-T 34 Feet (in mph)(F)Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24 > 24 Total 3 3 5 18 11 5 1 1 0 1 1 1 6 3 5 5 0 14 6 14 21 44 15 42 2 15 0 6 0 24 3 24 8 19 16 7 17 21 34 19 5 22 8 16 9 11 0 10 14 0 0 0 0 0 0 0 0 0 0 1 2 4 0 1 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 38 64 62 26 11 28 33 36 27 60 25 37 28 16 29 0 69 308 158 0 543 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Slightly Stable -199Ft-3QFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24 > 24 Total 3 6 12 37 30 19 10 7 3 3 0 4 8 23 13 11 0 189 13 25 28 10 10 14 42 53 48 19 29 45 15 8 7 17 0 383 4 5 1 0 0 0 14 14 20 35 52 4 2 3 0 1 0 155 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 1 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 36 41 47 40 33 66 74 71 59 83 53 25 34 20 30 0 0 732 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stabili ty class: 0 Hours of missing stability measurements in all sta ty classes: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Moderately Stable -199Ft-30Ft Winds Measured at 34 Feet Delta-T (F)Wind Direction N NNE NE ENE E Wind Speed (in mph)4-7 8-12 13-18 19-24 > 24 Total 1-3 3 7 11 7 16 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 8 0 13 0 7 ESE 27 SE SSE S 5 7 4 0 3 SSW SW WSW W WNW NW NNW Variable Total 8 17 21 2 3 0 141 5 6 2 4 6 5 6 5 0 0 0 0 42 0 0 0 6 0 11 0 15 0 22 0 21 9 8 0 16 0 32 0 11 0 0 0 2 3 0 0 187 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Extremely Stable Winds Measured at Wind Speed Wind-199Ft-3OFt Delta-T 34 Feet (in mph)(F)Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 2 1 3 5 15 5 5 2 2 2 5 7 25 10 3 1 0 0 0 0 0 0 0 2 0 1 0 0 8 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 5 15 5 7 2 3 2 5 15 33 10 3 1 0 Total 93 19 0 0 0 0 112 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stabili Hours of missing stability measurements in all sta ty class: bility cli 0 asses: 0 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Extremely Unstable -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 3 1 3 8 6 4 9 12 11 4 8 11 21 13 7 7 0 5 4 17 17 3 2 5 6 7 12 19 12 15 11 4 13 0 1 0 10 4 0 0 2 5 9 14 22 5 3 7 2 1 0 9 5 30 29 9 6 17 23 27 37 53 28 40 32 17 21 0 Total 6 128 152 85 11 1 383 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 4 all stability classes: 3 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Moderately Unstable -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 6 2 9 0 10 0 0 0 0 0 0 0 5 1 6 5 6 3 9 5 0 0 0 0 0 0 4 3 7 8 0 Total 1 30 37 18 3 0 89 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: I all stability classes: 3 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Slightly Unstable -199Ft-30Ft Winds Measured at 203 Feet Delta-T (F)Wind Direction 1-3 Wind Speed (in mph)4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 5 2 13 9 3 4 3 9 4 3 14 9 8 2 3 4 0 Total 4 23 45 19 4 0 95 Hours of calm in Hours of missing this stability class: wind measurements in this 0 stability class: 1 all stability classes: Hours of missing stability measurements in 3 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Neutral -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 0 10 9 3 0 0 22 NNE 1 5 11 8 0 0 25 NE 2 7 36 22 0 0 67 ENE 3 17 34 7 0 0 61 E 1 17 23 0 0 0 41 ESE 1 5 4 1 0 0 11 SE 0 4 19 3 1 0 27 SSE 0 10 15 12 3 0 40 S 0 4 15 10 2 0 31 SSW 1 3 8 23 8 0 43 SW 0 7 21 21 3 0 52 WSW 0 7 12 2 1 0 22 W 0 7 12 5 1 0 25 WNW 1 5 15 11 1 0 33 NW 1 5 8 4 0 0 18 NNW 0 4 12 8 0 0 24 Variable 0 0 0 0 0 0 0 Total 11 117 254 140 20 0 542 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 1 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Period of Record: July -September 2006 Stability Class -Slightly Stable -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24. > 24 Total N 1 6 13 3 0 0 23 NNE 1 3 16 2 0 0 22 NE 2 6 28 10 0 0 46 ENE 0 15 32 6 0 0 53 E 2 16 20 0 0 0 38 ESE 0 6 15 5 1 0 27 SE 0 13 29 20 8 1 71 SSE 1 10 33 20 1 0 65 S 1 6 37 44 2 0 90 SSW 0 2 19 59 13 0 93 SW 0 6 21 30 5 0 62 WSW 1 8 22 12 1 0 44 W 1 4 16 7 0 0 28 WNW 1 6 17 5 0 0 29 NW 2 6 11 1 0 0 20 NNW 1 10 15 2 1 0 29 Variable 0 0 0 0 0 0 0 Total 14 123 344 226 32 1 740 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 1 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Stability Period of Record: July -September 2006 Class -Moderately Stable -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Speed (in mph)Wind Direction N NNE NE ENE 1-3 0 0 0 0 4-7 8-12 13-18 19-24 > 24 Total 3 0 1 4 2 1 7 7 E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 0 0 0 1 0 0 2 1 1 1 1 0 0 6 4 2 19 1 2 2 6 5 1 2 6 5 8 4 3 5 8 6 8 0 1 1 3 0 9 4 0 0 0 7 6 2 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 2 9 0 0 8 7 0 10 0 19 0 15 0 14 0 12 0 21 0 25 0 9 0 14 0 15 2 10 3 0 6 0 0 0 9 0 Total 7 44 105 38 0 0 194 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: all stability cl 3 asses: 3 Braidwood Nuclear Station Stability Wind Direction N NNE NE ENE E ESE SE Period of Record: July -September 2006 Class -Extremely Stable -199Ft-3OFt Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)1-3 0 0 1 0 0 0 0 4-7 8-12 13-18 19-24 > 24 Total 2 1 2 0 1 4 2 0 1 3 1 2 0 0 0 0 0 0 0 2 2 2 0 1 1 10 SSE 2 S 1 SSW SW WSW W WNW 2 0 0 0 2 0 1 0 5 4 6 7 5 4 4 1 3 1 3 4 7 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 0 0 10 0 3 0 6 8 0 15 0 11 0 11 0 15 0 21 0 14 0 22 5 12 4 NW NNW Variable Total 9 10 4 3 0 0 3 0 2 0 0 0 6 0 9 59 48 35 0 151 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 3 Braidwood Nuclear Station Stability Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Period of Record: October -December2006 Class -Extremely Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)1-3 0 0 0 0 0 0 0 1 0 4-7 8-12 13-18 19-24 > 24 Total 0 1 1 1 3 0 1 6 3 0 3 0 1 0 0 2 3 2 0 0 0 0 0 0 0 0 2 2 0 1 6 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 0 0 0 0 6 0 0 0 0 4 1 2 3 0 0 0 0 0 3 0 10 0 7 0 0 0 0 0 0 0 0 3 10 2 5 4 2 4 1 0 5 3 4 9 6 1 0 0 15 0 7 0 10 0 19 0 18 0 10 0 2 0 0 0 ill 0 Total 1 37 49 18 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Moderately Unstable -199Ft-3OFt Delta-T (F)Winds Measured at 34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE 1-3 0 0 1 1 0 0 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 2 0 0 0 0 2 SE SSE S SSW 0 0 0 0 3 0 0 1 2 2 7 1 0 0 SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 13 0 0 0 5 0 0 Variable Total 2 13 23 5 0 0 43 Hours of calm in this stability class: Hours of missing wind measurements in this 0 stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: October -December2006 Stability Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Class -Slightly Unstable -199 Winds Measured at 34 Feet Wind Speed (in mph)Ft-30Ft Delta-T (F)1-3 4-7 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 2 0 2 3 2 3 1 2 i 1 3 0 0 8-12 13-18 19-24 > 24 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 7 1 0 0 7 0 0 0 1 2 0 0 0 1 0 0 3 0 0 0 2 0 0 0 1 0 0 0 3 1 0 0 0 0 0 0 Total 2 2 1 1 2 0 2 8 10 11 4 3 4 3 4 5 0 Total 2 22 33 5 0 0 62 Hours of calm in Hours of missing this stability class: wind measurements in this 0 stability class: 0 all stability classes: 0 Hours of missing stability measurements in Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Neutral Winds Measured at Wind Speed Wind-199Ft-30Ft Delta-T (F)34 Feet (in mph)Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N 1 5 25 NNE 5 12 28 NE 3 17 16 ENE 6 16 4 E 9 14 2 ESE 2 24 6 SE 1 22 22 SSE 2 35 41 S 0 15 39 SSW 0 10 37 SW 0 18 26 WSW 2 17 26 W 2 7 44 WNW 5 23 38 NW 6 23 16 NNW 4 27 47 Variable 0 0 0 Total 48 285 417 Hours of calm in this stability class: 24 24 4 0 0 1 2 1 31 38 22 6 19 3 1 17 0 180 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 43 70 40 26 25 33 47 79 85 89 66 51 73 69 46 95 0 7 0 937 Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 0 all stability classes: 0 Braidwood Nuclear Station Stability Period of Record: October Class -Slightly Stable Winds Measured at-December2006

-199Ft-3OFt 34 Feet Delta-T (F)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total Wind Speed (in mph)4-7 8-12 13-18 19-24 > 24 Total 1-3 2 3 3 10 9 13 2 8 2 2 0 4 1 0 1 0 0 0 0 0 0 0 11 14 8 16 0 8 0 0 0 2 4 53 11 2 52 64 0 29 79 14 1 15 29 36 0 15 0 11 0 25 0 26 0 24 0 68 0 120 0 122 0 82 0 45 0 96 0 64 0 53 0 36 0 18 3 18 15 7 63 25 4 34 21 16 28 10 24 1 13 7 2 4 0 266 9 1 5 2 0 0 0 70 0 0 0 0 94 382 0 813 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: October Stability Class -Moderately Stable Winds Measured at-December2006

-199Ft-3OFt Delta-T (F)34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S 1-3 1 1 4 6 4 3 3 4-7 8-12 13-18 19-24 > 24 Total 3 0 0 1 0 5 9 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 12 SSW SW WSW W 2 3 2 2 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 4 7 4 8 0 0 0 0 4 0 12 0 15 6 16 12 14 WNW NW NNW Variable Total 11 2 0 0 3 0 0 0 2 0 0 1 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 22 0 27 0 14 0 7 0 10 0 0 0 2 0 0 61 75 0 141 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Stability Period of Record: October Class -Extremely Stable Winds Measured at-December2006

-199Ft-30Ft Delta-T (F)34 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 0 1 1 0 1 2 4 0 1 1 0 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 0 0 0 0 0 0 0 1 1 0 2 3 5 1 1 0 1 0 0 6 10 0 16 6 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 Total 23 14 0 0 0 0 37 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 0 Braidwood Nuclear Station Period of Record: October -December2006 Class -Extremely Unstable -199Ft-30Ft Winds Measured at 203 Feet Stability Delta-T (F)Wind Speed (in mph)Wind Direction 1-3 4-7 8-12 13-18 19-24 > 24 Total N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total 0 1 4 0 5 0 3 10 7 15 7 12 14 15 16 2 0 1 11 49 27 13 10 ill Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: 0 Hours of missing stability measurements in all stability classes: 5 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Moderately Unstable -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Total 1-3 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 3 4-7 8-12 13-18 19-24 > 24 Total 0 0 0 0 0 0 0 0 0 0 2 2 3 0 0 2 0 0 0 0 0 0 1 3 6 1 0 3 2 10 1 0 0 9 0 0 6 10 14 3 43 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 1 all stability classes: 5 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Slightly Unstable -199Ft-30Ft Winds Measured at 203 Feet Delta-T (F)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable Wind Speed (in mph)1-3 4-7 8-12 13-18 19-24 > 24 Total Total 2 9 22 24 5 0 62 0 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 5 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Neutral -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 4 9 5 7 4 14 6 15 6 20 0 6 7 20 15 24 4 17 4 23 7 16 6 10 2 14 6 12 11 11 15 33 0 0 20 15 21 4 5 16 17 38 22 28 18 18 31 33 21 32 0 12 23 7 0 2 6 7 4 35 39 i4 8 16 12 5 15 0----- -----46 58 49 26 34 30 51 81 83 102 55 42 67 67 48 97 0 Total 12 102 251 339 205 27 936 3 Hours of calm in this stability class: 0 Hours of missing wind measurements in this stability class: Hours of missing stability measurements in all stability classes: 5 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Slightly Stable -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24 > 24 Total 0 2 4 6 6 3 3 2 1 2 4 2 5 3 3 7 0 5 7 1 8 11 8 31 31 24 15 16 39 20 20 22 28 0 1 3 1 3 13 5 34 60 82 35 10 29 34 21 12 3 0 0 0 0 0 0 0 0 13 32 38 7 6 9 3 2 0 0 1 0 0 0 0 0 0 0 4 9 0 0 0 1 0 0 0 8 12 7 17 31 20 69 106 143 99 37 76 68 48 39 42 0 Total 12 53 286 this stability class: 346 110 15 822 Hours of calm in Hours of missing 0 wind measurements in this stability class: 6 Hours of missing stability measurements in all stability classes: 5 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Moderately Stable -199Ft-30Ft Delta-T (F)Winds Measured at 203 Feet Wind Speed (in mph)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW 1-3 0 0 0 1 0 2 0 0 0 0 0 1 4-7 8-12 13-18 19-24 > 24 Total 0 1 2 2 6 3 3 0 3 0 0 0 0 4 0 0 0 0 0 0 4 3 4 6 6 9 0 0 8 13 0 23 4 5 5 6 3 3 1 1 0 0 0 0 8 8 6 8 W WNW NW NNW Variable Total 0 0 0 1 0 3 1 6 10 6 13 3 19 1 0 3 0 0 0 0 0 0 0 0 0 0 0 19 0 20 0 22 0 5 0 0 5 16 79 51 0 151 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 1 all stability classes: 5 Braidwood Nuclear Station Period of Record: October -December2006 Stability Class -Extremely Stable -199Ft-3OFt Winds Measured at 203 Feet Delta-T (F)Wind Direction N NNE NE ENE E ESE SE SSE S SSW SW WSW Wind Speed (in mph)4-7 8-12 13-18 19-24 > 24 Total 1-3 0 0 0 0 0 0 0 1 0 0 5 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 2 2 4 4 9 0 16 0 2 W 0 17 WNW NW NNW 0 0 0 0 0 0 5 0 1 0 0 Variable 0 Total 8 29 16 13 0 0 66 Hours of calm in this stability class: Hours of missing wind measurements in this Hours of missing stability measurements in 0 stability class: 1 all stability classes: 5 Intentionally left blank APPENDIX G ANNUAL RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM REPORT (ARGPPR)

ML071420255

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