RA-11-003, Annual Radiological Environmental Operating Report, 1 January Through 31 December 2010

Annual Radiological Environmental Operating Report, 1 January Through 31 December 2010

ML11130A067
Person / Time
Site:	Oyster Creek
Issue date:	04/30/2011
From:	Exelon Nuclear, Teledyne Brown Engineering Environmental Services
To:	Office of Nuclear Reactor Regulation
References
RA-11-003
Download: ML11130A067 (224)

Text

Docket No: 50-219 OYSTER CREEK GENERATING STATION UNIT 1 Annual Radiological Environmental Operating Report 1 January Through 31 December 2010 Prepared By Teledyne Brown Engineering Environmental Services Exeln .

Nuclear Oyster Creek Generating Station Forked River, NJ 08731 April 2011

Table of Contents I. Sum m ary and Conclusions ............................................................................................... 1 I1. Introduction ............................................................................................................. 3 A. Objectives of the REM P .................................................................................. 3 B. Im plem entation of the Objectives .................................................................. 4 C. Discussion ..................................................................................................... 4 I1l. Program Description .................................................................................................. 7 A. Sam ple Collection ........................................................................................... 7 B. Sam ple Analysis .............................................................................................. 9 C. Data Interpretation ...................................................................................... 10 D. Program Exceptions ..................................................................................... 11 E. Program Changes ......................................................................................... 15 IV. Results and Discussion ................................................................... ............................ 16 A. Aquatic Environm ent .................................................................................. 16

1. Surface W ater ..................................................................................... 16

2. Drinking W ater .................................................................................. 16

3. Groundwater ....................................................................................... 18

4. Fish ..................... ............ ,... ....... 18

5. Clam s and Crabs ................................................................................ 18

6. Sedim ent ............................................................................................ 19 B. Atm ospheric Environm ent ........................................................................... 20

1. Airborne ............................................................................................. 20

a. Air Particulates ......................................................................... 20

b. Airborne Iodine ...................................................................... 22

2. Terrestrial ............................................................................................ 22

a. Vegetation ................................................................................ 22 C. Am bient Gam m a Radiation ........................................................................... 23 D. Land Use Survey .......................................................................................... 24 E. Summary of Results - Inter-laboratory Comparison Program ...................... 24 V. References ................................................................................................................... 26

Appendices Appendix A Radiological Environmental Monitoring Report Summary Tables Table A-1 Radiological Environmental Monitoring Program Annual Summary for the Oyster Creek Generating Station, 2010 Appendix B Location Designation, Distance & Direction, and Sample Collection &

Analytical Methods Tables Table B-1 Location Designation and Identification System for the Oyster Creek Generating Station Table B-2 Radiological Environmental Monitoring Program - Sampling Locations, Distance and Direction, Oyster Creek Generating Station, 2010 Table B-3 Radiological Environmental Monitoring Program - Summary of Sample Collection and Analytical Methods, Oyster Creek Generating Station, 2010 Figures Figure B-1 Locations of REMP Stations within a 1-mile radius of the Oyster Creek Generating Station.

Figure B-2 Locations of REMP Stations within a 1 to 5-mile radius of the Oyster Creek Generating Station.

Figure B-3 Locations of REMP Stations greater than 5 miles from the Oyster Creek Generating Station.

Appendix C Data Tables - Primary Laboratory Tables Table C-1.1 Concentrations of Tritium in Surface Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-l.2 Concentrations of Gamma Emitters in Surface Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-11.1 Concentrations of Tritium in Drinking Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-I1.2 Concentrations of Gross Beta in Drinking Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

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Table C-11.3 Concentrations of Gamma Emitters in Drinking Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-111.1 Concentrations of Tritium in Groundwater Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-111.2 Concentrations of Gamma Emitters in Groundwater Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-IV.1 Concentrations of Gamma Emitters in Predator and Bottom Feeder (Fish) Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-IV.2 Concentrations of Gamma Emitters in Clam and Crab Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-V.1 Concentrations of Gamma Emitters in Sediment Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-VI.1 Concentrations of Gross Beta in Air Particulate Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-VI.2 Monthly and Yearly Mean Values of Gross Beta Concentrations in Air Particulate Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-VI.3 Concentrations of Strontium in Air Particulate Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-VI.4 Concentrations of Gamma Emitters in Air Particulate Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-VII.1 Concentrations of 1-131 in Air Iodine Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-VIII.1 Concentrations of Strontium and Gamma Emitters in Vegetation Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table C-IX.1 Quarterly TLD Results for Oyster Creek Generating Station, 2010.

Table C-IX.2 Mean Quarterly TLD Results for the Site Boundary, Intermediate, Special Interest, and Control Locations for Oyster Creek Generating Station, 2010.

Table C-IX.3 Summary of the Ambient Dosimetry Program for Oyster Creek Generating Station, 2010.

Figures Figure C-1 Mean Cobalt-60 Concentration in Clams Oyster Creek Generating Station, 1983 - 2010.

Figure C-2 Mean Cobalt-60 Concentration in Aquatic Sediment Oyster Creek Generating Station, 1984 - 2010.

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Figure C-3 Mean Cesium-1 37 Concentration in Aquatic Sediment Oyster Creek Generating Station, 1984 - 2010.

Figure C-4 Mean Weekly Gross Beta Concentrations in Air Particulates Oyster Creek Generating Station, 2010.

Figure C-5 Mean Monthly Gross Beta Concentrations in Air Particulates Oyster Creek Generating Station, 1984 - 2010.

Figure C-6 Mean Quarterly TLD Gamma Dose Oyster Creek Generating Station, 2010.

Figure C-7 Mean Quarterly TLD Gamma Dose Oyster Creek Generating Station, 1990 - 2010.

Appendix D Data Tables - QC Laboratory Tables Table D-1.1 Concentrations of Tritium in Surface Water Samples Collected in the Vicinity Of Oyster Creek Generating Station, 2010.

Table D-1.2 Concentrations of Gamma Emitters in Surface Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-11.1 Concentrations of Tritium in Drinking Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-11.2 Concentrations of Gamma Emitters in Drinking Water Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-111.1 Concentrations of Tritium in Groundwater Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-111.2 Concentrations of Gamma Emitters in Groundwater Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-IV.1 Concentrations of Gamma Emitters in Clam Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-V.1 Concentrations of Gamma Emitters in Sediment Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Table D-VI.1 Concentrations of Strontium and Gamma Emitters in Vegetation Samples Collected in the Vicinity of Oyster Creek Generating Station, 2010.

Appendix E Inter-Laboratory Comparison Program Tables Table E-1 Analytics Environmental Radioactivity Cross Check Program Teledyne Brown Engineering, 2010 iv

Table E-2 ERA Environmental Radioactivity Cross Check Program Teledyne Brown Engineering, 2010 Table E-3 DOE's Mixed Analyte Performance Evaluation Program (MAPEP)

Teledyne Brown Engineering, 2010 Table E-4 ERA (a) Statistical Summary Proficiency Testing Program Environmental, Inc., 2010 Table E-5 DOE's Mixed Analyte Performance Evaluation Program (MAPEP)

Environmental, Inc., 2010 Appendix F Annual Radiological Groundwater Protection Program Report (ARGPPR), 2010 V

I. Summary and Conclusions This report on the Radiological Environmental Monitoring Program (REMP) conducted for the Oyster Creek Generating Station (OCGS) by Exelon Nuclear covers the period 01 January 2010 through 31 December 2010. During that time period, 1527 analyses were performed on 1271 samples. In assessing all the data gathered for this report and comparing these results with historical data, it was concluded that the operation of OCGS had no adverse radiological impact on the environment.

REMP designated surface water samples were analyzed for concentrations of tritium and gamma emitting nuclides. No tritium and no fission or activation products were detected in any of the surface water samples collected as part of the Radiological Environmental Monitoring Program during 2010.

REMP designated drinking water samples were analyzed for concentrations of gross beta, tritium, and gamma emitting nuclides. The preoperational environmental monitoring program did not include analysis of drinking water for gross beta. No tritium and no fission or activation products were detected in any of the drinking water samples collected.

REMP designated groundwater samples were analyzed for concentrations of tritium and gamma emitting nuclides. No tritium and no fission or activation products were detected in REMP groundwater samples.

Fish (predator and bottom feeder), clams, crabs, and sediment samples were analyzed for concentrations of gamma emitting nuclides. No OCGS-produced fission or activation products were detected in fish, clams and crabs.

Cesium-1 37 was detected in one sediment sample at a concentration of 222 pCi/kg dry. The investigative level for Cs-137 in sediment is 1,000 pCi/kg dry.

No further action was necessary.

Air particulate samples were analyzed for concentrations of gross beta, gamma emitting nuclides, Strontium-89, and Strontium-90. Cosmogenic Be-7 was detected at levels consistent with those detected in previous years. No fission or activation products were detected. Strontium-89 and Strontium-90 analyses were performed on quarterly composites of air particulate samples. All Strontium-89 and Strontium-90 results were below the minimum detectable activity.

High sensitivity 1-131 analyses were performed on weekly air samples. All results were less than the minimum detectable activity.

Vegetation samples were analyzed for gamma emitting nuclides, Strontium-89, 1

and Strontium-90. Concentrations of naturally occurring K-40 were consistent with those detected in previous years. All Strontium-89 results were below the minimum detectable activity. Strontium-90 activity was detected at levels consistent with those detected in previous years at both control and indicator stations, and can be attributed to historical nuclear weapons testing and the Chernobyl accident.

Environmental gamma radiation measurements were performed quarterly using thermoluminescent dosimeters. The maximum dose to any member of the public attributable to radioactive effluents and direct radiation from the OCGS was less than the 25 mrem/year limit established by the United States Environmental Protection Agency.

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II. Introduction The Oyster Creek Generating Station (OCGS), consisting of one boiling water reactor owned and operated by Exelon, is located on the Atlantic Coastal Plain Physiographic Province in Ocean County, New Jersey, about 60 miles south of Newark, 9 miles south of Toms River, and 35 miles north of Atlantic City. It lies approximately 2 miles inland from Barnegat Bay. The site, covering approximately 781 acres, is situated partly in Lacey Township and, to a lesser extent, in Ocean Township. Access is provided by U.S. Route 9, passing through the site and separating a 637-acre eastern portion from the balance of the property west of the highway. The station is about 1/4 mile west of the highway and 11/4 miles east of the Garden State Parkway. The site property extends about 21/2 miles inland from the bay; the maximum width in the north-south direction is almost 1 mile. The site location is part of the New Jersey shore area with its relatively flat topography and extensive freshwater and saltwater marshlands. The South Branch of Forked River runs across the northern side of the site and Oyster Creek partly borders the southern side.

A preoperational Radiological Environmental Monitoring Program (REMP) for OCGS was established in 1966, and continued for two years prior to the plant becoming operational in 1969. This report covers those analyses performed by Teledyne Brown Engineering (TBE), Mirion Technologies, and Environmental Inc. (Midwest Labs) on samples collected during the period 01 January 2010 through 31 December 2010.

A. Objectives of the REMP The objectives of the REMP are to:

1. Determine whether any significant increase occurs in the concentration of radionuclides in major pathways.

2. Identify and evaluate the buildup, if any, of radionuclides in the local environment, or any changes in normal background radiation levels.

3. Verify the adequacy of the plant's controls for the release of radioactive materials.

4. Fulfill the obligations of the radiological surveillance sections of Oyster Creek's Offsite Dose Calculation Manual (ODCM).

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B. Implementation of the Objectives The implementation of the objectives is accomplished by:

1. Identifying significant exposure pathways.

2. Establishing baseline radiological data for 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.

C. Discussion

1. General Program The Radiological Environmental Monitoring Program (REMP) was established in 1966, three years before the plant became operational. This preoperational surveillance program was established to describe and quantify the radioactivity, and its variability, in the area prior to the operation of OCGS. After OCGS became operational in 1969, the operational surveillance program continued to measure radiation and radioactivity in the surrounding areas.

A variety of environmental samples are collected as part of the REMP at OCGS. The selection of sample types is based on the established pathways for the transfer of radionuclides through the environment to humans. The selection of sampling locations is based on sample availability, local meteorological and hydrological characteristics, local population characteristics, and land usage in the area of interest. The selection of sampling frequencies for the various environmental media is based on the radionuclides of interest, their respective half-lives, and their behavior in both the biological and physical environment.

2. Preoperational Surveillance Program The federal government requires nuclear facilities to conduct radiological environmental monitoring prior to constructing the facility. This preoperational surveillance program is aimed at collecting the data needed to identify pathways, including selection of the radioisotope and sample media combinations to be included in the environmental surveillance program conducted after facility 4

operation begins. Radiochemical analyses performed on the environmental samples should include not only those nuclides expected to be released during facility operation, but should also include typical radionuclides from nuclear weapons testing and natural background radioactivity. All environmental media with a potential to be affected by facility operation as well as those media directly in the major pathways, should be sampled on at least an annual basis during the preoperational phase of the environmental surveillance program.

The preoperational surveillance design, including nuclide/media combinations, sampling frequencies and locations, collection techniques, and radioanalyses performed, should be carefully considered and incorporated in the design of the operational surveillance program. In this manner, data can be compared in a variety of ways (for example, from year to year, location to location, etc.) in order to detect any radiological impact the facility has on the surrounding environment. Data collection during the preoperational phase should be planned to provide a comprehensive database for evaluating any future changes in the environment surrounding the nuclear facility.

OCGS began its preoperational environmental surveillance program three years before the plant began operating in 1969.

Data accumulated during those early years provide an extensive database from which environmental monitoring personnel are able to identify trends in the radiological characteristics of the local environment. The environmental surveillance program at OCGS will continue after the plant has reached the end of its economically useful life and decommissioning has begun.

3. Consideration of Plant Effluents Effluents are strictly monitored to ensure that radioactivity released to the environment is as low as reasonably achievable and does not exceed regulatory limits. Effluent control includes the operation of monitoring systems, in-plant and environmental sampling and analyses programs, quality assurance programs for effluent and environmental programs, and procedures covering all aspects of effluent and environmental monitoring.

Both radiological environmental and effluent monitoring indicate that the operation of OCGS does not result in significant radiation exposure of the people or the environment surrounding OCGS and is well below the applicable levels set by the Nuclear Regulatory 5

Commission (NRC) and the Environmental Protection Agency (EPA).

There were liquid radioactive effluent releases during 2010 of concentrations of tritium too low to detect at an LLD of 200 picocuries per liter (pCi/L) at the NJPDES permitted main condenser outfall. The releases were part of nearly continuous pumping of groundwater at approximately 70 gpm containing low levels of tritium and no detectable gamma. Exelon and the State of New Jersey Department of Environmental Protection (NJDEP) agreed to this remediation action after a period of natural attenuation to address concentrations of tritium in groundwater above the environmental LLD of 2,000 pCi/L. Well 73 and supporting equipment and piping were installed to pump groundwater to the intake structure at the inlet of the main circulating water pumps. Provisions were established for both batch and continuous releases of groundwater. Batch releases started October 21, 2010 and continuous releases commenced on November 17, 2010. Releases continued until the end of 2010 with a total of 4.56E+06 gallons of groundwater pumped resulting in 2.67E-01 Ci of tritium released to the discharge canal. The dose to the most limiting member of the public due to the release of groundwater was 2.55E-06 mrem.

Utilizing gaseous effluent data, the maximum hypothetical dose to any individual in the southeast sector of the plant (sector of predominant wind direction) during 2010 was calculated using a mathematical model, which is based on the methods defined by the U.S. Nuclear Regulatory Commission. These methods accurately determine the types and quantities of radioactive materials being released to the environment.

The maximum hypothetical calculated organ dose (Bone) from iodines and particulates to any individual due to gaseous effluents was 4.71E-01mrem (0.471mrem) which was approximately 3.14 percent of the annual limit. The organ dose from iodines and particulates is higher than previous years because the degraded stack sample line was repaired and carbon-14 was included for the first time. The maximum hypothetical calculated whole body dose to any individual due to noble gas effluents was 4.17E-02 mrem (0.0417 mrem) which was 0.834 percent of the annual limit. The whole body dose due to noble gas effluents is higher than previous years because the degraded stack sample line was repaired.

The total maximum hypothetical organ dose (Bone) due to all 6

radiological effluents of 4.71 E-01 mrem (0.471 mrem) received by any individual from gaseous effluents from the Oyster Creek Generating Station for the reporting period is more than 637 times lower than the dose the average individual in the Oyster Creek area received from background radiation, including that from radon, during the same time period. The background radiation dose averages approximately 300 mrem per year in the Central New Jersey area, which includes approximately 200 mrem/year from naturally occurring radon gas.

During 2010, the maximum direct radiation dose to the most likely exposed MEMBER OF THE PUBLIC potentially attributable to the operation of Oyster Creek beyond the site boundary in the southeast sector, as shown by offsite thermoluminescent dosimeter (TLD) readings at stations 66, 109 and 11, was less than the dose at the control locations.

Environmental sampling of airborne iodine and particulates showed no radioactivity attributable to the operation of OCGS.

II1. Program Description A. Sample Collection Samples for the OCGS REMP were collected for Exelon by on-site personnel and Normandeau Associates, Incorporated. This section describes the general collection methods used to obtain environmental samples for the OCGS REMP in 2010. Sample locations and descriptions can be found in Tables B-1 and B-2, and Figures B-i, B-2, and B-3, Appendix B. The collection procedures are listed in Table B-3.

Aquatic Environment The aquatic environment was evaluated by performing radiological analyses on samples of surface water, drinking water, groundwater, fish, clams, crabs, and sediment. One gallon water samples were collected monthly from two surface locations (33 and 94), semiannually at two surface water locations (23 and 24), monthly from six drinking water wells (1N, 1S, 37, 38, 39, and 114) and quarterly from 2 groundwater stations (MW-24-3A and W-3C). Control locations were 94 and 37. All samples were collected in plastic bottles, which were rinsed at least twice with source water prior to collection. Fish samples comprising the flesh of two groups, bottom feeder and predator, were collected semiannually at three locations (33, 93 and 94 (control)). Clams were collected semiannually 7

from three locations (23, 24, and 94 (control)). Two annual crab samples were collected from two locations (33 and 93). Sediment samples were collected at four locations semiannually (23, 24, 33, and 94 (control)).

Atmospheric Environment The atmospheric environment was evaluated by performing radiological analyses on samples of air particulate and airborne iodine. Airborne iodine and particulate samples were collected and analyzed weekly at eight locations (C, 3, 20, 66, 71, 72, 73, and 111). The control location was C. 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 filters were replaced weekly and sent to the laboratory for analysis.

Terrestrial Environment The terrestrial environment was evaluated by performing radiological analyses on samples of garden vegetation.

No commercial dairy operations and no dairy animals producing milk for human consumption are located within a 5 mile radius of the plant.

Therefore, vegetation samples were collected in lieu of milk. Vegetation samples were collected, when available, at four locations (35, 36, 66, and 115). Station 36 was the control location. All samples were collected in 18" x 24" new unused plastic bags and shipped promptly to the laboratory.

Ambient Gamma Radiation Direct radiation measurements were made using Panasonic Model 814 calcium sulfate (CaSO4 ) thermoluminescent dosimeters (TLD). The TLDs were placed on and around the OCGS site and were categorized as follows:

A site boundary ring consisting of 19 locations (1, T1, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 112, and 113) near the site boundary.

An intermediate distance ring consisting of 31 locations (4, 5, 6, 8, 9, 22, 46,47,48, 68, 73, 74, 75, 78, 79, 82, 84, 85, 86, 98, 99, 100, 101,102, 103, 104, 105, 106, 107, 109, and 110) extending to approximately 5 miles from the site designed to measure possible exposures to close-in population.

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Special interest stations consisting of 9 locations (3, 11, 71, 72, 81, 88, 89, 90, and 92) representing special interest areas such as population centers, state parks, etc.

Background (Control) stations consisting of two locations (C and 14) greater than 20 miles distant from the site.

Indicator TLDs were placed systematically, with at least one station in each of 16 meteorological compass sectors in the general area of the site boundary. TLDs were also placed in each meteorological sector in the 1 to 5 mile range, where reasonable highway access would permit, in areas of public interest and population centers. Background locations were located greater than twenty miles distant from the OCGS and generally in an upwind direction from the OCGS.

Two TLDs - each comprised of three CaSO 4 thermoluminescent phosphors enclosed in plastic - were placed at each location approximately three to eight feet above ground level. The TLDs were exchanged quarterly and sent to Mirion Technologies 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 OCGS REMP in 2010. The analytical procedures used by the laboratories are listed in Table B-3.

In order to achieve the stated objectives, the current program includes the following analyses:

1. Concentrations of beta emitters in air particulates and drinking water.

2. Concentrations of gamma emitters in surface, drinking water, groundwater, fish, clams, crabs, sediment, air particulates, and vegetation.

3. Concentrations of tritium in REMP designated surface, drinking water and groundwater.

4. Concentrations of 1-131 in air iodine cartridges.

5. Concentrations of strontium in air particulates and vegetation.

6. Ambient gamma radiation levels at various locations around the 9

OCGS.

C. Data Interpretation For trending purposes, the radiological and direct radiation data collected during 2010 were compared with data from past years. The results of environmental sampling show that radioactivity levels have not increased from the background radioactivity detected prior to the operation of OCGS. The operation of OCGS continues to have no measurable radiological impact upon the environment.

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) is 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 is intended as a before the fact estimate of a system (including instrumentation, procedure and sample type) and not as an after the fact criterion for the presence of activity. All analyses were designed to achieve the required OCGS 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, which results in 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, drinking water, and groundwater 12 nuclides: Mn-54, Co-58, Fe-59, Co-60, Zn-65, Zr-95, Nb-95, 1-131, Cs-1 34, Cs-1 37, Ba-140, and La-140 were reported.

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For fish eight nuclides: K-40, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Cs-1 34, and Cs-1 37 were reported.

For clams eight nuclides: K-40, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Cs-1 34, and Cs-1 37 were reported.

For crabs eight nuclides: K-40, Mn-54, Co-58, Fe-59, Co-60, Zn-65, Cs-1 34, and Cs-1 37 were reported.

For sediment seven nuclides: Be-7, K-40, Mn-54, Co-58, Co-60, Cs-134, and Cs-137 were reported.

For air particulate six nuclides: Be-7, Mn-54, Co-58, Co-60, Cs-1 34, and Cs-1 37 were reported.

For air iodine cartridges one nuclide: 1-131 was reported.

For vegetation seven nuclides: Be-7, K-40, 1-131, Cs-134, Cs-137, Ba-140, and 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 2010 the OCGS REMP had a sample recovery rate in excess of 99%.

Exceptions are listed below:

1. Both TLDs from stations 68, 99, 106-108 were missing due to road construction on the Garden State Parkway; these TLDs were replaced on 1/22/2010.

01/17/2010 - 01/22/2010

2. There was a small hole in the filter at station C and a small tear in each of the air particulate filters at stations 66 and 72. The damage to the filters could possibly be due to severe snow and wind in the area.

02/14/2010 - 02/20/2010

3. The air particulate filters collected from stations 71 and 66 had small tears in them. The air particulate filter from Station 66 was lighter in color than usual. The damage to the filters could possibly be due to severe rain and wind in the area.

03/14/2010 - 03/20/2010 11

4. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from Stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

03/28/2010 - 04/03/2010

5. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

04/04/2010 - 04/10/2010

6. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

04/11/2010 - 04/17/2010

7. Both TLDs at station 108 were missing, per sample collector comments station has been removed.

04/11/2010.- 04/17/2010

8. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

04/18/2010 - 04/24/2010

9. The air particulate filter collected from Station 71 had a small tear.

The damage to the filter was possibly due to the weather in the area.

04/25/2010 - 05/01/2010

10. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

05/02/2010 - 05/08/2010 12

11. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

05/09/2010 - 05/15/2010

12. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

05/16/2010 - 05/22/2010

13. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

05/23/2010 - 05/29/2010

14. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

05/30/2010 - 06/05/2010

15. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

06/06/2010 - 06/12/2010

16. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

06/13/2010 - 06/19/2010 13

17. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. A weekly sample from drinking water well 38 was unavailable. A weekly sample was taken from a different well in place of well 38 for the following period:

06/20/2010 - 06/26/2010

18. Only two of three vegetation samples were taken at station 35 and 66 during the following period:

06/29/2010*

19. Both TLDs at station 108 (Garden State Parkway rest area) were missing, per collector comments the station has been removed.

One of two TLDs at Station 63 was found on the ground. One of two TLDs at Station 22 was missing due to unknown reasons:

07/18/2010 - 07/24/2010

20. Surface water samples were collected weekly from stations 33 and

94. Drinking water samples were collected weekly from stations 37, 38, 39, and 114. Station 1N is a composite from 4 weeks of samples which includes the first week of August.

08/01/2010 - 08/07/2010

21. Both TLDs at station 98 (along Garden State Parkway) were missing. One of two TLDs at Station 63 was found on the ground:

10/10/2010 - 10/16/2010

22. TLDs were not placed at station 108, per collector comments station has been removed.

10/10/2010 - 10/16/2010

23. Both of the TLDs at station 98 were missing.

10/10/2010 - 10/16/2010

24. Only one of three vegetation samples were taken at station 66 during the following period:

10/25/2010*

25. Station 111 (Finniger Farm) was not running at time of replacement. The pump was replaced and operating correctly. The air particulate/air iodine samples were not sent to the lab because according to the procedure "sample is not valid if the pump is found inoperable but the timers (meters) are operating normally", which they were:

10/31/2010 - 11/06/2010 14

26. Station 71 (Waretown Road) sample pump was not running at the time of filter replacement. The pump was replaced and operated correctly. According to procedure, the air particulate and air iodine samples were not sent to the lab for analysis because the pump was found inoperable.

12/05/2010 - 12/11/2010

27. Due to significant snowstorm on 12/26/10, NAI was unable to collect samples from tech spec air stations 20 and 3. The air samples not collected for Week 52 were collected the following week and read as a 2-week sample. There were no other deviations or problems.

12/26/2010 - 01/11/2011

• NOTE: Per the Oyster Creek ODCM, if garden vegetation samples are unobtainable due to any legitimate reason, the missed sample will be documented in the annual report, with no further actions necessary.

Program exceptions are tracked and investigated to understand the

-causes of the program exception. Sampling and maintenance errors are reviewed with the personnel involved to prevent recurrence.

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

E. Program Changes Drinking water station 114 and vegetation station 115 were added to the REMP program in 2010.

Drinking water station 1 was split into two separate locations (1 N and 1S) and collected separately starting in June of 2010.

Crab samples were collected at location 93 in October of 2010.

TLD location 108 was a temporary TLD location that was not a part of the REMP program and was removed after the 1 st quarter 2010.

15

IV. Results and Discussion A. Aquatic Environment

1. Surface Water Samples were taken via grab sample methodology at two locations (33 and 94) on a monthly schedule. In addition, grab samples were collected semi-annually at two locations (23 and 24). Of these locations 23, 24, and 33, located downstream, could be affected by Oyster Creek's effluent releases. The following analyses were performed:

Tritium Samples from all locations were analyzed for tritium activity (Table C-1.1, Appendix C). No tritium activity was detected. Data from this year indicates that surface water tritium concentrations remain very low and not significantly different from recent previous years.

Gamma Spectrometry Samples from all locations were analyzed for gamma emitting nuclides (Table C-1.2, Appendix C). All nuclides were less than the MDC.

Surface water sampling began in 1966, and the samples were analyzed for tritium as well as other radioactivity. During this preoperational program, tritium was detected at an average concentration of 1.05E+3 pCi/liter. At that time, counting instrumentation was not as sensitive as it now, and the minimum detectable concentration was 1 E+3 pCi/liter versus 2E+2 pCi/liter used today. By comparing the 2010 sampling results to the decay corrected average preoperational concentration reported in the 2007 Annual Radiological Environmental Operating Report (1.11 E+2 pCi/liter), it can be seen that the inventory of tritium in the environment is due to fallout from past atmospheric nuclear weapons testing and Chernobyl, and is decreasing with time.

2. Drinking water Monthly samples were composited from monthly grab samples from seven drinking water wells (1N, 1S, 37, 38, 39, and 114).

Station 1, because it is located on the OCGS site, could potentially be affected by radioactive releases from the plant. Station 1 was 16

split into two separate locations, 1N and 1S. Station 38, the Ocean Township Municipal Utility Authority Well, could potentially be affected by effluent releases from the OCGS. Given its distance from the facility (1.6 miles) and depth (approximately 360 feet),

however, the probability of any OCGS related impacts is very small.

Stations 37 and 39, Lacey Township Municipal Utility Authority wells, are not likely to be impacted by effluents from the OCGS.

These wells are located generally up-gradient of the regional groundwater flow direction (southeast). In addition, because of their depth (> 200 feet) and distance from the site (2.2 and 3.5 miles respectively), they are unlikely to be affected by OCGS operations.

The following analyses were performed:

Tritium Monthly samples from all locations were analyzed for tritium activity (Table C-11.1, Appendix C). No tritium activity was detected.

Gross Beta Monthly samples from all locations were analyzed for concentrations of total gross beta activity (Tables C-11.2, Appendix C). Gross beta was detected in 38 of 66 samples, and is expected due to natural sources and fallout residual from previous bomb testing. The values ranged from 1.8 to 13 pCi/I. The investigation level for gross beta in water is 15 pCi/I. Gross beta was detected at about the same concentration in both control and sample locations.

Gamma Spectrometry Samples from all locations were analyzed for gamma emitting nuclides (Table C-11.3, Appendix C). All nuclides were less than the MDC.

Drinking water was sampled during the preoperational program and throughout the 42 years of the plant's operational program. Tritium sampling results during the preoperational years, yielded results all less than the minimum detectable concentration of 1E+3 pCi/liter.

2010 results are all less than the current MDC of 200 pCi/liter.

17

3. Groundwater The following analyses were performed:

Tritium Samples from all locations were analyzed for tritium activity (Table C-I11.1, Appendix C). No tritium activity was detected.

Gamma Spectrometry Samples from both locations were analyzed for gamma emitting nuclides (Table C-111.2, Appendix C). All nuclides were less than the MDC.

4. Fish Fish samples comprised of flounder, spot, and tautog (bottom feeder) and American eel, spotted sea trout, striped bass, sea bass, bluefish, herring, and perch (predator) were collected at three locations (33, 93, and 94) semiannually. Locations 93 and 33 could be affected by Oyster Creek's effluent releases. The following analysis was performed:

Gamma Spectrometry The edible portions of fish samples from three locations were analyzed for gamma emitting nuclides (Table C-IV.1, Appendix C).

Naturally occurring potassium-40 was found at all stations and ranged from 2,050 to 5,690 pCi/kg wet and was consistent with levels detected in previous years. No fission or activation products were found.

No fish were sampled during the preoperational sampling program for OCGS.

5. Clams and Crabs Clams were collected at three locations (23, 24, and 94) semiannually. Crabs were collected at two locations (33 and 93) annually. Locations 23, 24, 33, and 93 could be affected by Oyster Creek's effluent releases. The following analysis was performed:

18

Gamma Spectrometry The edible portions of clam samples from all three locations were analyzed for gamma emitting nuclides (Table C-IV.2, Appendix C).

Naturally occurring potassium-40 was found at all stations and ranged from 730 to 1,750 pCi/kg wet and was consistent with levels detected in previous years. No fission or activation products were found. Historical levels of Co-60 in clams are shown in Figure C-1, Appendix C.

Preoperational clam sample results for potassium-40 ranged from 600 to 9,800 pCi/kg wet, which are consistent with current sample results.

The edible portions of crab samples from one location were analyzed for gamma emitting nuclides (Table C-IV.2, Appendix C).

Naturally occurring potassium-40 was found at both stations and ranged from 2,410 to 2,520 pCi/kg wet and was consistent with levels detected in previous years. No fission or activation products were found.

Crabs were not sampled during the preoperational years of the OCGS environmental monitoring program.

5. Sediment Aquatic sediment samples were collected at four locations (23, 24, 33, and 94) semiannually. Of these locations, stations 23, 24, and 33 located downstream, could be affected by Oyster Creek's effluent releases. The following analysis was performed:

Gamma Spectrometry Sediment samples from all four locations were analyzed for gamma emitting nuclides (Table C-V.1, Appendix C)..

Potassium-40 was found at all stations and ranged from 567 to 15,100 pCi/kg dry. Cesium-137 was detected in one sample at station 33 at a concentration of 222 pCi/kg dry. No other fission or activation products were found. Figure C-3, Appendix C graphs Cs-1 37 concentrations in sediment from 1984 through 2010 and figure C-2, Appendix C graphs Co-60 concentrations in sediment from 1984 through 2010.

19

Cs-1 37 was detected (222 pCi/kg,dry) in the sediment of the discharge canal which is below the investigation level of 1000 pCi/kg,dry.

The requirement for sampling sediment is a requirement of ODCM 3.12.1, Table 3.12.1-1.d. ODCM Table 3.12.1-2, Reporting Levels for Radioactive Concentrations in Environmental samples Reporting Levels does not include requirements for sediment. CY-AA-1 70-1000, Radiological Environmental Monitoring Program and Meteorological Program Implementation, Attachment 1, Analytical Results Investigation Levels, includes sediment investigation level for Cs-I137 of 1000 pCi/kg, dry.

While aquatic sediment sampling was part of the preoperational program, samples were not analyzed for gamma emitting nuclides until 1981.

In conclusion, the 2010 aquatic monitoring results for surface water, drinking water, fish, clams and crabs showed only naturally occurring radioactivity and were consistent with levels measured prior to the operation of OCGS, and with levels measured in past years. No radioactivity attributable to activities at OCGS was detected in any aquatic samples during 2010 and no adverse long-term trends are shown in the aquatic monitoring data.

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: Group I represents locations near the OCGS site boundary (20, 66 and 111), Group II represents the locations at an intermediate distance from the OCGS site (71, 72, and 73), and Group III represents the control and locations at a remote distance from OCGS (C and 3). The following analyses were performed:

Gross Beta Weekly samples were analyzed for concentrations of beta emitters (Table C-VI.1 and C-VI.2, Appendix C).

20

Detectable gross beta activity was observed at all locations.

Comparison of results among the three groups aids in determining the effects, if any, resulting from the operation of OCGS. The results from the Site Boundary locations (Group I) ranged from 6 to 28 E-3 pCi/m 3 with a mean of 15 E-3 pCi/m 3 . The results from the Intermediate Distance locations (Group II) ranged from 6 to 30 E-3 pCi/m 3 with a mean of 15 E-3 pCi/m 3 . The results from the Distant locations (Group Ill) ranged from 6 to 28 E-3 pCi/m 3 with a mean of 15 E-3 pCi/m 3 . The similarity of the results from the three groups indicates that there is no relationship between gross beta activity and distance from the OCGS. These results are consistent with data from previous years and indicate no effects from the operation of OCGS (Figures C-4 and C-5, Appendix C).

Air sample filters have been analyzed for gross beta activity since the inception of the preoperational environmental monitoring program in 1966. The preoPerational data values ranged from 1.90E-2 to 2.77E-1 pCi/rn . 2010 gross beta activity values ranged from <6E-3 to 30E-3 pCi/m 3 . The 2010 results are consistent with historical operational data (Figure C-5, Appendix C) and fall within the range of results observed during the preoperational period.

Strontium-89 and Strontium-90 Weekly samples were composited quarterly and analyzed for strontium-89 and strontium-90 (Table C-VI.3, Appendix C). No strontium was detected in any of the samples. These results are consistent with historical operational data. The preoperational environmental monitoring program did not include analysis of air samples for strontium-89 and strontium-90.

Gamma Spectrometry Weekly samples were composited quarterly and analyzed for gamma emitting nuclides (Table C-VI.4, Appendix C).

Naturally occurring Be-7 due to cosmic ray activity was detected in all samples. The values ranged from 48 to 97 E-3 pCi/m 3 . All other nuclides were less than the MDC.

These results are consistent with historical operational data.

The preoperational environmental monitoring program did not include analysis of air samples for gamma emitting 21

nuclides.

b. Airborne Iodine Continuous air samples were collected from eight (C, 3, 20, 66, 71, 72, 73, 111) locations and analyzed weekly for 1-131 (Table C-VII.1, Appendix C). Consistent with historical operational data, all results were less than the MDC.

The preoperational environmental monitoring program for OCGS did not include analysis of air media for iodine-1 31.

In conclusion, the atmospheric monitoring data are consistent with preoperational and prior operational data and show no long-term trends in the environment attributable to the operation of OCGS.

2. Terrestrial

a. Vegetation Samples were collected from four locations (35, 36, 66, and 115) when available. The following analyses were performed:

Strontium-89 and Strontium-90 Vegetation samples from all locations were analyzed for concentrations of strontium-89 and strontium-90 (Table C-VIII.1, Appendix C). All strontium-89 results were less than the MDC. Strontium-90 was detected in 25 of 56 samples.

The values ranged from 3.3 to 19.7 pCi/kg wet, which is consistent with historical data.

Gamma Spectrometry Vegetation samples from locations 35, 36, 66, and 115 were analyzed for concentrations of gamma emitting nuclides (Table C-VIII.1, Appendix C). Naturally occurring K-40 activity was found in all samples and ranged from 2,570 to 12,200 pCi/kg wet. Naturally occurring Be-7 was detected in 19 of 56 samples and ranged from 93 to 441 pCi/kg wet.

These results are consistent with historical operational data.

All other nuclides were less than the MDC.

22

Preoperational vegetation sample analyses did not include strontium analyses, or gamma spectroscopy.

In conclusion, terrestrial monitoring results for vegetation samples during 2010 showed only naturally occurring radioactivity and radioactivity associated with fallout from past atmospheric nuclear weapons testing and Chernobyl.

The radioactivity levels detected were consistent with levels measured in past years, and no radioactivity attributable to activities at OCGS was detected in any terrestrial samples.

The terrestrial monitoring data show no adverse long-term trends in the terrestrial environment.

C. Ambient Gamma Radiation Ambient gamma radiation levels were measured utilizing Panasonic Model 814 (CaSO4) thermoluminescent dosimeters. Sixty-two TLD locations were monitored around the site. Results of non-background corrected TLD measurements are summarized in Tables C-IX.1 to CIX.3 and Figures C-6 and C-7.

The non-background corrected TLD measurements ranged from 9.9 to 21.6 mR/standard quarter. In order to correct these results for background radiation, the mean of the dose rates measured at the background TLD stations (C and 14) was subtracted from the dose measured at each indicator station. The maximum annual background corrected dose was at Station 55, located near the site boundary, 0.3 miles west of the OCGS.

This TLD is located in an area where public access is restricted. All background corrected TLD measurements were less than the 40 CFR 190 limit of 25 mR/year.

Similar to previous years, there was no strong relationship between dose measured with TLDs and distance from the OCGS, and the mean background dose exceeded the mean indicator dose in one of the four quarterly monitoring periods during 2010.

The preoperational environmental monitoring program utilized film badges, the results of which are not comparable with the doses measured using thermoluminescent dosimeters during the operational REMP.

In conclusion, the 2010 TLD results are consistent with past operational measurements of direct radiation, and demonstrate that the OCGS continues to be in compliance with the 40 CFR 190 limit on maximum dose to the public.

23

D. Land Use Survey A Land Use Survey, conducted during 2010 around the Oyster Creek Generating Station (OCGS), was performed by Normandeau Associates, Inc. for Exelon Nuclear. The purpose of the survey is to identify within a distance of 5 miles the location in each of the 16 meteorological sectors of the nearest milk animal, the nearest residence and the nearest garden of greater than 500 ft2 producing broad leaf vegetation. The census shall also identify within a distance of 3 miles the location in each of the 16 meteorological sectors all milk animal and all gardens greater than 500 square feet producing broadleaf vegetation. For animals producing milk for human consumption in each of the sixteen meteorological sectors out to a distance of 5 miles from the OCGS, none were observed. The distance and direction of all locations from the OCGS Reactor Building were determined using Global Positioning System (GPS) technology.

There were no changes required to the OCGS REMP, as a result of this survey. The results of this survey are summarized below.

Distance in Miles from the OCGS Reactor Building Sector Residence Garden*

(ft) (ft) 1 N 5,796 9,212 2 NNE 3,347 6,137 3 NE 3,658 5,332 4 ENE 5,717 6,486 5 E 6,529 1,667 6 ESE 3,835 1,988 7 SE 3,034 2,198 8 SSE 4,521 5,096 9 S 8,189 8,864 10 SSW 8,222 19,992 11 SW 9,189 None 12 WSW 10,674 23,866 13 W 22,250 None 14 WNW None None 15 NW 27,863 None 16 NNW 7,658 14,646

• Greater than 500 ft2 in size producing broad leaf vegetation 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 24

and water matrices (Appendix F). 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 TBE's result 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, 16 out of 18 analytes met the specified acceptance criteria. Two analytes did not meet the specified acceptance criteria for the following reasons:

1. Teledyne Brown Engineering's ERA November 2010 Sr-89 in water result of 77.8 pCi/L was higher than the known value of 68.5 pCi/L, resulting in a found to known ratio of 1.14. NCR 10-09 was 25

initiated to investigate this failure. Since the ratio of 1.14 fell within an acceptance range of 20%, Teledyne considers this an acceptable result.

2. Teledyne Brown Engineering's ERA November 2010 Zn-65 in water result of 11.0 pCi/L was lower than the known value of 102 pCi/L. NCR 10-09 was initiated to investigate this failure. The Zn-65 result of 111 was incorrectly reported as 11.0.

For the secondary laboratory, Environmental, Inc., 14 out of 14 analytes met the specified acceptance criteria.

The Inter-Laboratory Comparison Program provides evidence of "in control" counting systems and methods, and that the laboratories are producing accurate and reliable data.

V. References

1. Exelon Nuclear. Offsite Dose Calculation Manual for Oyster Creek Generating Station, Procedure CY-OC-170-301.

2. United States Nuclear Regulatory Commission Branch Technical Position, An Acceptable Radiological Environmental Monitoring Program, Revision 1, November 1979.

3 Pre-Operational Environmental Radiation Survey, Oyster Creek Nuclear Electric Generating Station, Jersey Central Power and Light Company, March 1968.

26

APPENDIX A RADIOLOGICAL ENVIRONMENTAL MONITORING REPORT

SUMMARY

TABLE A-I RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ANNUAL

SUMMARY

FOR THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 H-3 28 200 <LLD <LLD 0 (PCI/LITER)

GAMMA 28 MN-54 15 <LLD <LLD 0 CO-58 15 <LLD <LLD 0 FE-59 30 <LLD <LLD 0 CO-60 15 <LLD <LLD 0 ZN-65 30 <LLD <LLD 0 NB-95 15 <LLD <LLD 0 ZR-95 30 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 1-131 15 <LLD <LLD 0 (PCILITER)

CS-134 15 <LLD <LLD 0 k)

CS-137 18 <LLD <LLD 0 BA-140 60 <LLD <LLD 0 LA- 140 15 <LLD <LLD 0 DRINKING WATER H-3 66 200 <LLD <LLD 0 (PCI/LITER)

GR-B 66 4 3.9 2.4 5.8 IS INDICATOR 0 (32/54) (6/12) (3/6) ON-SITE DOMESTIC WELL AT OCGS (2.1/12.5) (1.8/3.8) (2.4/12.5) 0.2 MILES S OF SITE GAMMA 66 MN-54 15 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 CO-58 15 <LLD <LLD 0 (PC[/LITER)

FE-59 30 <LLD <LLD 0 CO-60 15 <LLD <LLD 0 ZN-65 30 <LLD <LLD 0 NB-95 15 <LLD <LLD 0 ZR-95 30 <LLD <LLD 0 1-131 15 <LLD <LLD 0 CS-134 15 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 CS-137 18 <LLD <LLD 0 (PCI/LITER)

BA-140 60 <LLD <LLD 0 LA- 140 15 <LLD <LLD 0 GROUNDWATER H-3 8 200 <LLD NA 0 (PCI/LITER)

GAMMA 8 MN-54 15 <LLD NA 0 CO-58 15 <LLD NA 0 FE-59 30 <LLD NA 0 CO-60 15 <LLD NA 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 GROUNDWATER ZN-65 30 <LLD NA 0 (PCI/LITER)

NB-95 15 <LLD NA 0 ZR-95 30 <LLD NA 0 1-131 15 <LLD NA 0 CS-134 15 <LLD NA 0 CS-137 18 <LLD NA 0 BA-140 60 <LLD NA 0 LA- 140 15 <LLD NA 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 BOTTOM FEEDER GAMMA 7 (PCI/KG WET) K-40 NA 4148 3600 4215 93 INDICATOR 0 (5/5) (2/2) (4/4) OCGS DISCHARGE CANAL (3670/4560) (3130/4070) (3670/4560) 0.1 MILES WSW OF SITE MN-54 130 <LLD <LLD 0 CO-58 130 <LLD <LLD 0 FE-59 260 <LLD <LLD CO-60 130 <LLD <LLD ZN-65 260 <LLD <LLD CS-134 130 <LLD <LLD CS-137 150 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 PREDATOR GAMMA 16 (PCI/KG WET) K-40 NA 4189 4313.3 4322.5 33 INDICATOR 0 (10/10) (6/6) (4/4) EAST OF RT 9 BRIDGE IN OCGS DISCHARGE (3260/5670) (2050/5690) (3260/5670) 0.4 MILES ESE OF SITE MN-54 130 <LLD <LLD 0 CO-58 130 <LLD <LLD 0 FE-59 260 <LLD <LLD 0 CO-60 130 <LLD <LLD 0 ZN-65 260 <LLD <LLD 0 CS-134 130 <LLD <LLD 0 CS-137 150 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 CLAMS GAMMA 6 (PCI/KG WET) K-40 NA 1315 1215 1335 23 INDICATOR 0 (4/4) (2/2) (2/2) BARNEGAT BAY OFF STOUTS CREEK (1040/1620) (1190/1240) (1050/1620) 3.6 MILES ENE OF SITE MN-54 130 <LLD <LLD 0 60 CO-58 130 <LLD <LLD 0 FE-59 260 <LLD <LLD 0 CO-60 130 <LLD <LLD 0 ZN-65 260 <LLD <LLD 0 CS-134 100 <LLD <LLD 0 CS-137 100 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 CRABS GAMMA 2 (PCI/KG WET) K-40 NA 2465 NA 2520 33 INDICATOR (2/2) (I/1) EAST OF RT 9 BRIDGE IN OCGS DISCHARGE (2410/2520) 0.4 MILES ESE OF SITE MN-54 130 <LLD NA CO-58 130 <LLD NA FE-59 260 <LLD NA CO-60 130 <LLD NA 0 ZN-65 260 <LLD NA 0 CS-134 100 <LLD NA 0 CS-137 100 <LLD NA 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 GAMMA 8 (PCI/KG DRY) BE-7 NA <LLD 805 805 94 CONTROL 0 (1/2) (1/2) GREAT BAY/LITTLE EGG HARBOR 20.0 MILES SSW OF SITE K-40 NA 2732 11145 11145 94 CONTROL 0 (6/6) (2/2) (2/2) GREAT BAY/LITTLE EGG HARBOR (567/6100) (7190/15100) (7190/15100) 20.0 MILES SSW OF SITE C)

MN-54 NA <LLD <LLD 0 CO-58 NA <LLD <LLD 0 CO-60 NA <LLD <LLD 0 CS-134 150 <LLD <LLD 0 CS-137 180 222 <LLD 222 33 INDICATOR 0 (1/6) (1/2) EAST OF RT 9 BRIDGE IN OCGS DISCHARGE 0.4 MILES ESE OF SITE AIR PARTICULATE GR-B 412 10 15 15 16 C CONTROL 0 (E-3 PCI/CU.METER) (276/309) (97/103) (49/52) JCP&L OFFICE - COOKSTOWN NJ (6/30) (6/28) (7/26) 24.7 MILES NW OF SITE

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 SR-89 32 10 <LLD <LLD 0 (E-3 PCI/CU.METER)

SR-90 32 10 <LLD <LLD 0 GAMMA 32 BE-7 NA 70 70 80 3 CONTROL 0 (24/24) (8/8) (4/4) COAST GUARD STATION - ISLAND BEACH ST PK (51/97) (48/84) (75/84) 6.0 MILES E OF SITE MN-54 NA <LLD <LLD 0 CO-58 NA <LLD <LLD 0 CO-60 NA <LLD <LLD 0 CS-134 50 <LLD <LLD 0 CS-137 60 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

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 IODINE GAMMA 412 (E-3 PCI/CU.METER) 1-131 70 <LLD <LLD 0 VEGETATION SR-89 56 25 <LLD <LLD 0 (PCI/KG WET)

SR-90 56 5 9.7 5.4 11.5 115 INDICATOR 0 (18/41) (7/15) (12/15) EAST OF SITE ON FINNINGER FARM (3.3/19.7) (3.4/7.1) (3.3/19.7) 0.3 MILES E OF SITE GAMMA 56 BE-7 NA 187 310 310 36 CONTROL (15/41) (4/15) (4/15) U-PICK FARM - NEW EGYPT NJ (93/438) (182/441) (182/441) 23.1 MILES NW OF SITE K-40 NA 5842 4721 6967 115 INDICATOR 0 (41/41) (15/15) (15/15) EAST OF SITE ON FINNINGER FARM (2570/12200) (2690/6470) (4530/12200) 0.3 MILES E OF SITE 1-131 60 <LLD <LLD 0 CS-134 60 <LLD <LLD 0 CS-137 80 <LLD <LLD 0

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING 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 THE OYSTER CREEK GENERATING STATION, 2010 Name of Facility: OYSTER CREEK GENERATING STATION DOCKET NUMBER: 50-219 Location of Facility: OCEAN COUNTY NJ REPORTING PERIOD: 2010 INDICATOR CONTROL LOCATION WITH HIGHEST ANNUAL MEAN (M)

LOCATIONS LOCATION MEDIUM OR TYPES OF NUMBER OF REQUIRED MEAN (M) MEAN (M) MEAN (M) STATION # NUMBER OF PATHWAY SAMPLED ANALYSIS ANALYS1S LOWER LIMIT (F) (F) (F) NAME NONROUTINE (UNIT OF PERFORMED PERFORMED OF DETECTION RANGE RANGE RANGE DISTANCE AND DIRECTION REPORTED MEASUREMENT) (LLD) MEASUREMENTS VEGETATION BA-140 NA <LLD <LLD 0 (PCI/KG WET)

LA- 140 NA <LLD <LLD 0

., DIRECT RADIATION TLD-QUARTERLY 242 NA 14.0 14.9 19.1 55 INDICATOR 0 (MILLI-ROENTGEN/STD.MO.) (234/234) (8/8) (4/4) SOUTHERN AREA STORES SECURITY FENCE (9.9/21.6) (13.2/17.7) (17.1/21.6) 0.3 MILES W

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

APPENDIX B LOCATION DESIGNATION, DISTANCE & DIRECTION, AND SAMPLE COLLECTION & ANALYTICAL METHODS

TABLE B-i: Location Designation and Identification System for the Oyster Creek Generating Station Sample Medium - APT = Air Particulate Clam = Clam AIO = Air Iodine TLD = Thermoluminescent DW = Drinking Water Dosimetry VEG = Vegetation Fish = Fish SWA = Surface Water Crab Crab AQS = Aquatic Sediment Station Code - Station's Designation Distance - Distance from the OCGS in miles Azimuth - Azimuth with respect to the OCGS in degrees Description - Meteorological sector in which the station is located and a narrative description B-1

TABLE B-2: Radiological Environmental Monitoring Program - Sampling Locations, Distance and Direction, Oyster Creek Generating Station, 2010 Sample Station Distance Azimuth Medium Code (miles) (degrees) Description TLD 1 0.4 219 SW of site at OCGS Fire Pond, Forked River, NJ DW iS 0.1 209 On-site southern domestic well at OCGS, Forked River, NJ DW IN 0.2 349 On-site northern domestic well at OCGS, Forked River, NJ APT, AIO, TLD 3 6.0 97 East of site, near old Coast Guard Station, Island Beach State Park TLD 4 4.6 213 SSW of site, Route 554 and Garden State Parkway, Barnegat, NJ TLD 5 4.2 353 North of site, at Garden State Parkway Rest Area, Forked River, NJ TLD 6 2.1 13 NNE of site, Lane Place, behind St. Pius Church, Forked River, NJ TLD 8 2.3 177 South of site, Route 9 at the Waretown Substation, Waretown, NJ TLD 9 2.0 230 SW of site, where Route 532 and the Garden State Parkway meet, Waretown, NJ t'j APT, AIO, TLD C 24.7 313 NW of site, JCP&L office in rear parking lot, Cookstown, NJ TLD 11 8.2 152 SSE of site, 8 0th and Anchor Streets, Harvey Cedars, NJ TLD 14 20.8 2 North of site, Larrabee Substation on Randolph Road, Lakewood, NJ APT, AIO 20 0.7 95 East of site, on Finninger Farm on south side of access road, Forked River, NJ TLD 22 1.6 145 SE of site, on Long John Silver Way, Skippers Cove, Waretown, NJ SWA, CLAM, AQS 23 3.6 64 ENE of site, Barnegat Bay off Stouts Creek, approximately 400 yards SE of "Flashing Light 1" SWA, CLAM, AQS 24 2.1 101 East of site, Barnegat Bay, approximately 250 yards SE of "Flashing Light 3" SWA, AQS, FISH, 33 0.4 123 ESE of site, east of Route 9 Bridge in OCGS Discharge Canal CRAB VEG 35 0.4 111 ESE of site, east of Route 9 and north of the OCGS Discharge Canal, Forked River, NJ VEG 36 23.1 319 NW of site, at "U-Pick" Farm, New Egypt, NJ

TABLE B-2: Radiological Environmental Monitoring Program - Sampling Locations, Distance and Direction, Oyster Creek Generating Station, 2010 Sample Station Distance Azimuth Medium Code (miles) (degrees) Description DW 37 2.2 18 NNE of Site, off Boox Road at Lacey MUA Pumping Station, Forked River, NJ DW 38 1.6 197 SSW of Site, on Route 532, at Ocean Township MUA Pumping Station, Waretown, NJ DW 39 3.5 353 North of Site, Trenton Ave. off Lacey Rd, Lacey Twp. MUA Pump Station, Forked River, NJ TLD 46 5.6 323 NW of site, on Lacey Road, adjacent to utility pole BT 259 65, Forked River, NJ TLD 47 4.6 26 NNE of site, Route 9 and Harbor Inn Road, Bayville, NJ TLD 48 4.5 189 South of site, at intersection of Brook and School Streets, Barnegat, NJ TLD 51 0.4 358 North of site, on the access road to Forked River site, Forked River, NJ TLD 52 0.3 333 NNW of site, on the access road to Forked River site, Forked River, NJ TLD 53 0.3 309 NW of site, at sewage lift station on the access road to the Forked River site, Forked River, NJ TLD 54 0.3 288 WNW of site, on the access road to Forked River site, Forked River, NJ TLD 55 0.3 263 West of site, on Southern Area Stores security fence, west of OCGS Switchyard, Forked River, NJ TLD 56 0.3 249 WSW of site, on utility pole east of Southern Area Stores, west of the OCGS Switchyard, Forked River, NJ TLD 57 0.2 206 SSW of site, on Southern Area Stores access road, Forked River, NJ TLD 58 0.2 188 South of site, on Southern Area Stores access road, Forked River, NJ TLD 59 0.3 166 SSE of site, on Southern Area Stores access road, Waretown, NJ TLD 61 0.3 104 ESE of site, on Route 9 south of OCGS Main Entrance, Forked River, NJ

TABLE B-2: Radiological Environmental Monitoring Program - Sampling Locations, Distance and Direction, Oyster Creek Generating Station, 2010 Sample Station Distance Azimuth Medium Code (miles) (dearees) Description TLD 62 0.2 83 East of site, on Route 9 at access road to OCGS Main Gate, Forked River, NJ TLD 63 0.2 70 ENE of site, on Route 9, between main gate and OCGS North Gate access road, Forked River, NJ TLD 64 0.3 42 NE of site, on Route 9 North at entrance to Finninger Farm, Forked River, NJ TLD 65 0.4 19 NNE of site, on Route 9 at Intake Canal Bridge, Forked River, NJ APT, AIO, 66 0.4 133 SE of site, east of Route 9 and south of the OCGS Discharge Canal, inside fence, TLD, VEG Waretown, NJ TLD' 68 1.3 266 West of site, on Garden State Parkway North at mile marker 71.7, Lacey Township, NJ APT, AIO, 71 1.6 164 SSE of site, on Route 532 at the Waretown Municipal Building, Waretown, NJ TLD APT, AIO, 72 1.9 25 NNE of site, on Lacey Road at Knights of Columbus Hall, Forked River, NJ TLD APT, AIO, 73 1.8 108 ESE of site, on Bay Parkway, Sands Point Harbor, Waretown, NJ TLD TLD 74 1.8 88 East of site, Orlando Drive and Penguin Court, Forked River, NJ TLD 75 2.0 71 ENE of site, Beach Blvd. and Maui Drive, Forked River, NJ TLD 78 1.8 2 North of site, 1514 Arient Road, Forked River, NJ TLD 79 2.9 160 SSE of site, Hightide Drive and Bonita Drive, Waretown, NJ TLD 81 3.5 201 SSW of site, on Rose Hill Road at intersection with Barnegat Boulevard, Barnegat, NJ TLD 82 4.4 36 NE of site, Bay Way and Clairmore Avenue, Lanoka Harbor, NJ TLD 84 4.4 332 NNW of site, on Lacey Road, 1.3 miles west of the Garden State Parkway on siren pole, Lacey Township, NJ TLD 85 3.9 250 WSW of site, on Route 532, just east of Wells Mills Park, Waretown, NJ TLD 86 5.0 224 SW of site, on Route 554, 1 mile west of the Garden State Parkway, Barnegat, NJ TLD 88 6.6 125 SE of site, eastern end of 3d Street, Barnegat Light, NJ TLD 89 6.1 108 ESE of site, Job Francis residence, Island Beach State Park

TABLE B-2: Radiological Environmental Monitoring Program - Sampling Locations, Distance and Direction, Oyster Creek Generating Station, 2010 Sample Station Distance Azimuth Medium Code (miles) (dearees) Description TLD 90 6.3 75 ENE of site, parking lot A-5, Island Beach State Park TLD 92 9.0 46 NE of site, at Guard Shack/Toll Booth, Island Beach State Park 93 0.1 242 WSW of site, OCGS Discharge Canal between Pump Discharges and Route 9, FISH, CRAB Forked River, NJ SWA, AQS, 94 20.0 198 SSW of site, in Great Bay/Little Egg Harbor CLAM, FISH TLD 98 1.6 318 NW of site, on Garden State Parkway North at mile marker 73, Lacey Township, NJ TLD 99 1.5 310 NW of site, on Garden State Parkway at mile marker 72.8, Lacey Township, NJ TLD 100 1.4 43 NE of site, Yacht Basin Plaza South off Lakeside Dr., Lacey Township, NJ TLD 101 1.7 49 NE of site, end of Lacey Rd. East, Lacey Township, NJ TLD 102 1.6 344 NNW of site, end of Sheffield Dr., Barnegat Pines, Lacey Township, NJ TLD 103 2.4 337 NNW of site, Llewellyn Pkwy., Barnegat Pines, Lacey Township, NJ TLD 104 1.8 221 SW of site, Rt. 532 West, before Garden State Parkway, Ocean Township, NJ TLD 105 2.8 222 SW of site, Garden State Parkway North beside mile marker 69.6, Ocean Township, NJ TLD 106 1.2 288 NW of site, Garden State Parkway North beside mile marker 72.2, Lacey Township, NJ TLD 107 1.3 301 NW of site, Garden State Parkway North beside mile marker 72.5, Lacey Township, NJ TLD 108 4.3 354 N, end of parking lot at GPS north rest stop; Temporary location that was not included in the REMP program and was removed after the first quarter of 2010.

TLD 109 1.2 141 SE of site, Lighthouse Dr., Waretown, Ocean Township, NJ TLD 110 1.5 127 SE of site, Tiller Dr. and Admiral Way, Waretown, Ocean Township, NJ APT, AIO 111 0.3 64 ENE of site, Finninger Farm property along access road, Lacey Township, NJ TLD 112 0.2 178 S of site, along southern access road

TABLE B-2: Radiological Environmental Monitoring Program - Sampling Locations, Distance and Direction, Oyster Creek Generating Station, 2010 Sample Station Distance Azimuth Medium Code (miles) (dearees) Description TLD 113 0.3 90 E of site, along Rt. 9, North DW 114 0.8 267 Well at Bldg 25 on Forked River site VEG 115 0.3 96 E of Site, on Finninger Farm TLD T1 0.4 219 SW of site, at OCGS Fire Pond, Forked River, NJ GW MW-24-3A 0.8 97 ESE of site, Finninger Farm on South side of access road, Lacey Township, NJ GW W-3C 0.4 112 ESE of site, Finninger Farm adjacent to Station 35, Lacey Township, NJ

TABLE B-3: Radiological Environmental Monitoring Program - Summary of Sample Collection and Analytical Methods, Oyster Creek Generating Station, 2010 Sample Analysis Sampling Method Collection Procedure Number Sample Size Analytical Procedure Number Medium Drinking Water Gamma Spectroscopy Monthly samples ER-OCGS-10, Collection of well water samples 1 gallon TBE, TBE-2007 Gamma emitting radioisotopes analysis composited quarterly for radiological analysis Env. Inc., GS-01 Determination of gamma emitters by CY-OC-120-1200, REMP sample collection gamma spectroscopy procedure - well water Drinking Water Tritium Monthly samples ER-OCGS-10, Collection of well water samples 1 gallon TBE, TBE-2010 Tritium and carbon-13 analysis by liquid' composited quarterly for radiological analysis scintillation CY-OC-120-1200, REMP sample collection Env. Inc., T-02 Determination of tritium in water (direct procedure - well water method)

Surface Water Gamma Spectroscopy Grab Sample ER-OCGS-06, Collection of surface water 1 gallon TBE, TBE-2007 Gamma emitting radioisotopes analysis samples for radiological analysis Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy Surface Water Tritium Grab Sample ER-OCGS-06, Collection of surface water 1 gallon TBE, TBE-2010 Tritium and carbon-13 analysis by liquid samples for radiological analysis scintillation Env. Inc., T-02 Determination of tritium in water (direct method)

Fish Gamma Spectroscopy Semi-annual samples ER-OCGS-14, Collection of fish samples for 250 grams (wet) TBE, TBE-2007 Gamma emitting radioisotopes analysis collected via hook and radiological analysis line technique and traps Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy Clams and Gamma Spectroscopy Semi-annual and annual ER-OCGS-16, Collection of clam and crab 300 grams (wet) TBE, TBE-2007 Gamma emitting radioisotopes analysis Crabs samples collected using samples for radiological analysis clam tongs and traps. Env. Inc., GS-01 Determination of gamma emitters by amma spectroscopy Sediment Gamma Spectroscopy Semi-annual grab ER-OCGS-03, Collection of aquatic sediment 1000 grams (dry) TBE, TBE-2007 Gamma emitting radioisotopes analysis samples samples for radiological analysis Env. Inc., GS-01 Determination of gamma emitters by gamma spectroscopy

TABLE B-3: Radiological Environmental Monitoring Program - Summary of Sample Collection and Analytical Methods, Oyster Creek Generating Station, 2010 Sample Analysis Sampling Method Collection Procedure Number Sample Size Analytical Procedure Number Medium Air Particulates Gross Beta One-week composite of ER-OCGS-05, Collection of air iodine and air 1 filter (approximately TBE, TBE-2008 Gross alpha and/or beta activity in continuous air sampling particulate samples for radiological analysis 300 cubic meters various matrices) through glass fiber filter weekly) paper Env. Inc., AP-02 Determination of gross alpha and/or gross beta in air particulate filters Air Particulates Gamma Spectroscopy Quarterly composite of TBE, TBE-2023 Compositing of samples 13 filters TBE, TBE-2007 Gamma emitting radioisotopes analysis each station (approximately 4000 Env. Inc., AP-03 Procedure for compositing air cubic meters) Env. Inc., GS-01 Determination of gamma emitters by particulate filters for gamma spectroscopic gamma spectroscopy analysis Air Particulates Strontium-89/90 Quarterly composite of ER-OCGS-05, Collection of air iodine and air 13 filters TBE, TBE-2019 Radiostrontium analysis by ion each station particulate samples for radiological analysis (approximately 4000 exchange cubic meters)

Air Iodine Gamma Spectroscopy One-week composite of ER-OCGS-05, Collection of air iodine and air 1 filter (approximately TBE, TBE-2007 Gamma emitting radioisotopes analysis continuous air sampling particulate samples for radiological analysis 300 cubic meters through charcoal filter weekly) Env. Inc., 1-131-02 Determination of 1-131 in charcoal canisters by gamma spectroscopy (batch method)

Vegetation Gamma Spectroscopy Grab sample during ER-OCGS-04, Collection of food products and 1000 grams TBE, TBE-2007 Gamma emitting radioisotopes analysis growing season broadleaf vegetation samples for radiological analysis Env. Inc., GS-01 Determination of gamma emitters by 00 gamma spectroscopy Vegetation Strontium-89/90 Grab sample during ER-OCGS-04, Collection of food products and 1000 grams TBE, TBE-2019 Radiostrontium analysis by ion exchange growing season broadleaf vegetation samples for radiological analysis TLD Thermoluminescence Quarterly TLDs ER OCGS-02, Collection of thermoluminescent 2 dosimeters Mirion Technologies, Inc. TLD Processing Procedures Dosimetry comprised of two dosimeters (TLDs) for radiological analysis Panasonic 814 (containing 3 each CaSO4 elements)

1,500 750 0 1.500 Feet NO erNORMANDEAU ASSOCIATES Oyster Creek Generating Staton REMP Staons E4VIRONMEWAL CONS ULTANTS within a 1 mile radius 4C ,, awa 0,

,Un-09 20110 -,.i Figure B-1 Locations of REMP Stations within a 1-mile radius of the Oyster Creek Generating Station B-9

A"--'SSE SS

• N*

"* .. 5 . ,. i".. . i,7 .. i 7.300 3.B50 0 7.300 Feet N a* I NORMA NDEAU ASSOCIATES Oyster Creek Genewating Station REMP Stations NIOENTAL CONSULTANTS within a 1 to 5 nvle radius m Ew A toN S*LTA2,h4T atRMffitt 2010 ---

Figure B-2.

Locations of REMP Stations within a 1 to 5-mile radius of the Oyster Creek Generating Station B-10

a 3 a 8 Miles

_OF

• I NORMANDEAL ASSOCIATES Oys*er Creek Generating Station REMP Stations ENVIRGONMENTAL CONSULTANTS preabr thmia5 mile radius ~ 00 M-90.

AICSR* k zU I2..f 2010 j 1

• o, m,,f-t Figure B-3.

Locations of REMP Stations greater than 5 miles from the Oyster Creek Generating Station B-ll

APPENDIX C DATA TABLES AND FIGURES PRIMARY LABORATORY

TABLE C-1.1 CONCENTRATIONS OF TRITIUM IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION 23 24 33 94 PERIOD 01/07/10 - 01/28/10 164 165 02/04/10 - 02/23/10 165 171 03/04/10 - 04/01/10 179 (1) 179 (1) 04/13110 - 04/13/10 < 154 < 157 165 (1) 167 (1) 05/06/10 - 05/27/10 155 (1) 161 (1) 06/04/10 - 07/01/10 169 (1) 165 (1) 07/08/10 - 07/29/10 161 (1) 168 (1) 08/05/10 - 08/26/10 165 168 09/02/10 - 09/29110 189 189 10/11/10 - 10/11/10 < 150 < 152 158 186 11/03/10 - 11/23/10 153 153 12/02/10 - 12/28/10 153 150 MEAN (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-1

TABLE C-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 23 04/13/10 - 04/13/10 <1 <2 <4 <2 <3 <2 <3 <15 <1 <2 <23 <8 10/11/10 - 10/11/10 <1 <1 <3 <1 <2 <1 <2 <12 <1 <1 <16 <6 MEAN 24 04/13/10 - 04/13/10 <1 <2 <4 <2 <3 <2 <3 <14 <1 <1 <19 <6 10/11/10 - 10/11/10 <4 <4 <11 <5 <9 <5 <8 <9 <4 <4 <25 <9 MEAN 33 01/07/10 01/28/10 <9 <8 < 19 <8 < 17 < 10 < 15 < 13 <9 <8 < 36 < 12 02/04/10 02/23/10 <5 <5 < 10 <5 < 12 <6 <9 < 11 <6 <5 < 28 <8 03/04/10 04/01/10 (1) <5 <5 < 11 <5 <9 <6 < 10 < 12 <6 <6 < 28 <6 04/08/10 04/28/10 (1) <3 <4 <7 <3 <8 <4 <6 < 11 <4 <4 < 25 <7 05/06/10 05/27/10 (1) <1 <1 <2 <1 <2 <1 <2 <6 <1 <1 <9 <3 06/02/10 06/30/10 (1) <2 <2 <4 <2 <4 <2 <4 <7 <2 <2 < 14 <4 07/08/10 07/29/10 (1) <4 <4 < 10 <4 <9 <5 <8 < 11 <4 <4 < 27 <8 08105/10 08/26/10 <2 <3 <5 <3 <4 <3 <4 < 12 <2 <2 < 22 <6 09/02/10 09/29/10 <4 <5 < 10 <4 <8 <6 <8 < 13 <3 <4 < 29 < 10 10/06/10 10/28/10 <2 <2 <6 <2 <4 <2 <4 < 12 <2 <2 < 20 <6 11/03/10 11/23/10 <5 <6 < 12 <5 < 12 <6 < 12 < 14 <5 <7 <34 < 10 12/02/10 12/28/10 <5 <5 < 14 <6 < 11 <7 < 11 < 14 <5 <6 < 32 < 11 MEAN (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER 12 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 94 01/07/10 - 01/28 /110 <5 <5 < 10 <4 < 11 <5 <9 <9 <4 <6 < 24 <7 02/04/10 - 02/231/10 <4 <4 < 11 <6 < 10 <5 <8 <9 <4 <5 < 23 <8 03/04/10 - 04/01 /10 (1) <4 <5 <9 <4 <9 <5 <8 <8 <4 <5 < 22 <8 04/08/10 - 04/291/10 (1) <2 <3 <7 <3 <6 <3 <5 <8 <2 <3 < 18 <5 05/06/10 - 05/27'/10 (1) <1 <1 <3 <1 <2 <1 <2 <9 <1 <1 < 14 <4 06/04/10 - 07/01 /10 (1) <2 <2 <4 <2 <4 <2 <4 <6 <2 <2 < 15 <5 07/08/10 - 07/291/10 (1) <4 <4 <8 <4 <7 <4 <7 < 11 <4 <4 < 28 <8 08/05/10 - 08/2E1/10 <2 <2 <5 <2 <5 <2 <4 < 12 <2 <2 < 20 <6 09/02/10 - 09129 1/10 <3 <4 <7 <4 <7 <4 <6 < 10 <3 <3 < 23 <7 10/06/10 - 10/281/10 <2 <2 <5 <2 <4 <3 <4 < 12 <2 <2 < 20 <7 11/03/10 - 11/231/10 <5 <5 < 12 <6 < 13 <7 <8 < 12 <6 <5 < 27 < 10 12/02/10 - 12/291/10 <5 <5 < 11 <5 <8 <5 <9 < 11 <4 <5 <27 <8 MEAN (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-11.1 CONCENTRATIONS OF TRITIUM IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION 1 1N is 37 38 39 114 PERIOD UI0IU/0 - U0l/27IU 1 623 16t4 164 1t66 162 (1) 02/04/10 - 02/23/10 170 170 168 166 170 03/09/10 - 03/30/10 179 178 (2) 180 (2) 179 (2) 178 (2) 04/08/10 - 04/29/10 171 168 (2) 165 (2) 162 (2) 168 (2) 05/06/10 - 05/27/10 159 (1) 158 (2) 155 (2) 157 (2) 155 (2) 06/04/10 - 07/01/10 172 (1) < 166 (1) 170 (2) 170 (2) 169 (2) 169 (2) 07/08/10 - 07/29/10 174 (2) 164 (2) 165 (2) 168 (2) 167 (2) 08/18/10 - 08/23/10 169 < 167 167 165 168 168 09/02/10 - 09/29/10 188 < 184 186 187 186 184 10/05/10 - 10/25/10 185

• 162 168 170 170 170 11/03/10 - 11/23/10 153 < 161 161 161 163 164 12/02/10 - 12/21/10 171 < 166 151 153 150 153 MEAN TABLE C-II.2 CONCENTRATIONS OF GROSS BETA IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION PERIOD I 1N 1s 37 38 39 114 01/07/10 - 01/27/10 2.7 +/- 1.3 3.8 +/- 1.3 3.1 +/- 1.3 3.7 +/- 1.3 5.7 +/- 1.5 (1) 02/04/10 - 02/23/10 2.6 +/- 1.3 < 1.9 3.2 +/- 2.1

• 1.9 4.6 +/- 1.6 03/09/10 - 03/30/10 3.3 +/- 2.0 < 2.6 (2) < 2.7 (2) < 2.6 (2) 4.7 +/- 2.2 (2) 04/08/10 - 04/29/10 < 2.3 < 2.0 (2) 3.3 +/- 1.4 (2) < 1.9 (2) 4.6 +/- 1.7 (2) 05/06/10 - 05/27/10 < 2.4 (1) < 1.8 (2)

• 1.8 (2)

• 1.8 (2) 3.8 +/- 1.5 (2) 06/04/10 - 07/01/10 < 2.2 (1)

• 2.4 (1) < 2.0 (2) < 2.0 (2) < 2.0 (2) 4.6 +/- 1.6 (2) 07/08/10 - 07/29/10 3.9 +/- 1.3 (2) 1.9 +/- 1.2 (2) 3.4 +/- 1.3 (2) 3.3 +/- 1.3 (2) 3.6 +/- 1.4 (2) 08/18/10 - 08/23/10 5.0 +/- 1.6 2.5 +/- 1.4 2.0 +/- 1.2 2.1 +/- 1.2 3.2 +/- 1.2 3.3 +/- 1.4 09/02/10 - 09/29/10 < 1.9 13 +/- 2.0 2.2 +/- 1.3 2.3 +/- 1.1 2.1 +/- 1.4 4.0 +/- 1.4 10/06/10- 10/28/10 7.4 +/- 2.3 < 2.8 < 2.7 < 2.7 < 2.6 3.5 +/- 1.9 11/03/10 - 11/23/10 < 1.8 2.4 +/- 1.2 1.8 +/- 1.1 2.4 + 1.2 < 1.6 3.4 +/- 1.3 12/02/10 - 12/21/10 < 3.1

• 2.8 3.0 +/- 1.7 < 2.7 < 2.7 3.4 +/- 2.0 MEAN 2.9 +/- 0.8 5.4 +/- 3.6 5.8 +/- 12 2.4 +/- 1.6 2.8 +/- 1.1 3.1 +/- 1.4 4.1 +/- 1.5

• THE MEAN AND 2 STANDARD DEVIATION ARE CALCULATED USING THE POSITIVE VALUES (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION (2) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-4

TABLE C-II.3 CONCENTRATIONS OF GAMMA EMITTERS IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 1 01/05/10 - 01/26/10 < 6 <4 <11 <5 <11 <6 <7 <9 <5 <6 <28 <6 02/02/10 - 03/02/10 < 6 <6 <12 <6 <13 <5 <11 <12 <5 <5 <38 <11 03/09/10 - 03/30/10 < 6 <6 <12 <6 <12 <6 <11 <14 <6 <6 <35 <11 04/06/10 - 04/27/10 < 4 <4 <8 <4 <8 <4 <6 <13 <4 <5 <29 <8 05/04/10 - 05/24/10 (1) < 1 <1 <3 <1 <2 <1 <2 <10 <1 <1 <15 <5 MEAN 1N 06/01/10 -06/28/10 (1) < 2 <2 <5 <2 <4 <2 <4 <8 <2 <2 <16 <6 07/06/10 - 08/02/10 < 2 <2 <4 <2 <3 <2 <3 <8 <1 <2 <14 <4 08/02/10 - 08/16/10 < 1 <1 <3 <1 <2 <2 <3 <14 <1 <1 <19 <6 08/30/10 - 09/28/10 < 4 <4 <8 <4 <8 <3 <7 <11 <3 <4 <26 <7 10/05/10 - 10/25/10 < 2 <2 <4 <2 <3 <2 <3 <12 <1 <2 <19 <6 (A 11/02/10 - 11/23/10 < 6 <6 <11 <7 <9 <7 <9 <13 <5 <5 <32 <8 11/30/10 - 12/29/10 < 3 <3 <9 <4 <7 <4 <7 <14 <3 <3 <30 <9 MEAN 1S 06/01/10 - 06/30/10 (1) < 1 <2 <4 <1 <3 <2 <3 <6 <1 <2 <11 <3 07/06/10 - 08/02/10 (2) -

08/18/10 - 08/23/10 < 2 <2 <5 <2 <4 <2 <4 <13 <2 <2 <23 <7 08/30/10 - 09/28/10 < 4 <4 <8 <3 <7 <5 <6 <12 <3 <4 <28 <9 10/05/10 - 10/25/10 < 2 <2 <5 <2 <4 <2 <4 <14 <2 <2 <23 <7 11/02/10 - 11/23/10 < 5 <7 <12 <6 <12 <6 <11 <12 <6 <6 <35 <12 11/30/10 - 12/29/10 < 4 <5 <8 <4 <8 <4 <6 <9 <4 <5 <27 <7 MEAN (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION (2) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-II.3 CONCENTRATIONS OF GAMMA EMITTERS IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA ST COLLECTION P Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 37 01/07/10 - 01/27/10 < 5 <6 < 12 <5 < 11 <6 < 10 <9 <5 <6 <31 < 11 02/04/10 - 02/23/10 < 4 <4 <9 <4 <7 <4 <6 <7 <4 <4 <19 <8 03/04/10 - 04/01/10 (2) < 5 <4 <9 <4 <8 <6 <9 <14 <6 <5 <32 <8 04/08/10 -04/29/10 (2) < 4 <3 <8 <4 <7 <4 <7 <9 <3 <4 <21 <8 05/06/10 -05/27/10 (2) < 1 <1 <3 <1 <2 <2 <3 <12 <1 <1 <18 <5 06/04/10 - 07/01/10 (2) < 3 <3 <6 <2 <5 <3 <5 <9 <3 <3 <19 <6 07/08/10 - 07/29/10 (2) < 4 <4 <8 <4 < 10 <5 <8 <13 <5 <4 <30 <7 08/05/10 - 08/26/10 < 1 <2 <4 <2 <3 <2 <3 <9 <1 <2 <15 <4 09/02/10 - 09/29/10 < 4 <5 < 10 <4 <9 <5 <9 <13 <4 <5 <30 < 10 10/06/10 - 10/28/10 < 2 <3 <5 <2 <4 <3 <4 <13 <2 <2 <22 <6 11/03/10 - 11/23/10 < 5 <5 < 12 <5 <11 <6 < 10 <13 <6 <6 <30 <7 12/02/10 - 12/28/10 < 5 <5 < 12 <5 < 10 <5 < 10 <10 <5 <5 <28 <8 MEAN 38 01/07/10 - 01/28/10 < 6 <6 < 14 <6 < 12 <7 < 12 <10 <6 <8 < 29 < 10 02/04/10 - 02/24/10 < 5 <4 <6 <3 <9 <4 <8 <9 <4 <4 <26 <8 03/04/10 - 04/01/10 (2) < 3 <4 <8 <5 <8 <5 <7 <10 <4 <4 <26 <8 04/08/10 -04/29/10 (2) < 4 <4 <8 <4 <8 <4 <7 <11 <3 <4 <24 <7 05/06/10 - 05/27/10 (2) < 1 <1 <3 <1 <2 <1 <2 <8 <1 <1 <13 <4 06/04/10- 06/30/10 (2) < 2 <2 <4 <2 <4 <2 <4 <8 <2 <2 <14 <5 07/08/10- 07/28/10 (2) < 4 <4 < 10 <3 <9 <4 <8 <13 <4 <4 <28 <9 08/05/10 - 08/26/10 < 2 <2 <5 <2 <4 <2 <4 <14 <2 <2 <23 <6 09/02/10 - 09/29/10 < 4 <4 < 10 <4 <8 <5 <9 <13 <4 <5 <27 < 10 10/06/10 - 10/27/10 < 2 <2 <6 <2 <4 <3 <4 <11 <2 <2 <20 <7 11/03/10 - 11/23/10 < 6 <5 < 11 <5 < 10 <6 <9 <12 <4 <5 < 30 < 10 12/02/10 - 12/28/10 < 5 <5 < 12 <5 < 11 <6 < 10 <10 <4 <5 < 31 < 10 MEAN (2) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-11.3 CONCENTRATIONS OF GAMMA EMITTERS IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 39 01/07/10 - 01/27/ 10 <6 '6 < 12 <7 < 13 <7 < 12 < 12 <6 <5

• 25 < 10 02/04/10 - 02/23/ 10 <4 <4 <9 <4 <9 <5 <7 <9 <4 <5

• 25 <7 03/04/10 - 04/01/ '10 (2) <4 '5 < 10 <5 <9 <5 <8 < 12 <4 <5

• 28 < 10 04/08/10 - 04/29/ 10 (2) <3 <3 <6 <3 <6 <3 <6 <9 <3 <3

• 21 <6 05/06/10 - 05/271'10 (2) <1 <1 <2 <1 <2 <1 <2 <8 <1 <1

• 13 <4 06/04/10 - 07/01/ '10 (2) <2 <2 <4 <2 <4 <2 <4 <7 <2 <2

• 14 <4 07/08/10 - 07/29/ 10 (2) <3 <4 <8 <3 <6 <3 <6 < 10 <3 <4

• 21 <7 08/05/10 - 08/26/ '10 <2 <2 <5 <2 <4 <2 <4

• 12 <2 <2

• 21 <7 09/02/10 - 09/29/ '10 <4 <5 <9 <4 <9 <5 <8

• 13 <4 <4

• 30 <9 10/06/10 - 10/28/'10 <2 <2 <4 <2 <3 <2 <3 <9 <2 <2

• 16 <5 11/03/10 - 11/23/ '10 <5 <6 < 12 <5 < 10 <7 < 12 < 15 <5 <6

• 35 < 12 12/02/10 - 12/21/ '10 <3 <3 <7 <3 <6 <3 <5 < 11 <2 <3 ' 22 <6 MEAN 114 01/07/10 - 01/28/10 (1) < 6 <7 < 13 <5 < 15 <7 < 10 < 11 <6 <8

• 31 < 10 02/04/10 - 02/23/10 <5 <5 <8 <5

• 10 <5 <8 < 10 <4 <4 ' 24 <7 03/04/10 - 04/01/10 (2) < 4 <4 <8 <4 <8 <4 <8 < 11 <4 <5

• 29 <8 04/08/10 - 04/29/10 (2) < 3 <3 <7 <3 <6 <3 <5 <8 <3 <3

• 17 <7 05/06/10 - 05/27/10 (2) < 1 <1 <2 <1 <2 <1 <2 <7 <1 <1 < 11 <3 06/04/10 - 07/01/10 (2) < 2 <2 <4 <2 <4 <2 <4 <7 <2 <2 < 15 <5 07/08/10 - 07/29/10 (2) < 1 <1 <3 <1 <2 <1 <2 <6 <1 <1 < 10 <4 08/05/10 - 08/26/10 <2 <2 <4 <2 <3 <2 <4 < 12 <2 <2

• 20 <6 09/02/10 - 09/29/10 <4 <4 <7 <3 <9 <4 <7 < 11 <3 <4 ' 26 <9 10/06/10 - 10/28/10 <2 <2 <5 <2 <4 <2 <4

• 12 <2 <2

• 22 <7 11/03/10 - 11/23/10 <5 <6

• 13 <7 < 11 <7 < 11

• 12 <5 <6

• 29

• 13 12/02/10 - 12/28/10 <6 <5

• 12 <6 < 11 <4 <8

• 14 <5 <6

• 29 < 10 MEAN (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION (2) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-II1.1 CONCENTRATIONS OF TRITIUM IN GROUNDWATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION MW-24-3A W-3C PERIOD 03/02/10 - 03/02/10 < 168 < 171 04/27/10 - 04/27/10 < 170 < 169 09/08/10 - 09/08/10

• 168 < 169 11/04/10 - 11/04/10 < 152 < 158 MEAN C-8

TABLE C-111.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER 12 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD RAIAI ')A '31ý -nn ]An 14 A An Inn 14 n IVI YV -*.'t - q,*/"* UOIU-IIUI UOI1UJ <* IU <II < Id <ju IU 04/27/10 - 04/27/10 <3 <4 <7 <4 <7 <4 <7 < 15 <3 <4 < 31 <9 09/08/10 - 09/08/10 <2 <2 <5 <2 <4 <2 <4 < 12 <2 <2 < 22 <6 11/04/10 - 11/04/10 <5 <6 < 13 <5 <11 <6 < 10 < 15 <5 <5 < 35 < 12 MEAN W-3C 03/02/10 - 03/02/10 <5 <5 <9 <5 <9 <5 <9 < 14 <5 <6 < 28 < 11 04/27/10 - 04/27/10 <3 <4 <9 <5 <9 <5 <8 < 15 <4 <4 < 29 <8 09/08/10 - 09/08/10 <2 <2 <4 <2 <3 <2 <3 < 10 <2 <2 < 17 <6 11/04/10 - 11/04/10 <4 <5 < 12 <5 < 11 <6 <9 < 14 <5 <5 < 31 < 11 MEAN

TABLE C-IV.1 CONCENTRATIONS OF GAMMA EMITTERS IN PREDATOR AND BOTTOM FEEDER (FISH)

SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION K-40 Mn-54 Co-58 Fe-59 Co-60 Zn-65 Cs-1 34 Cs-137 PERIOD 33 PREDATOR 04/13/10 5670 +/- 1480

• 91

• 103

• 226

• 98

• 230 < 95

• 89 04/15/10 4160 +/- 663

• 68

• 80

• 161

• 76

• 159 < 76

• 67 10/12/10 4200 +/- 889 < 43

• 52

• 109 < 64 < 105

• 50

• 62 10/12/10 3260 +/- 779 < 49

• 32

• 108 < 40

• 88 < 37 < 40 MEAN 4323 +/- 1995 33 BOTTOM FEEDER 10/12/10 3880 +/- 837 < 60 < 43 < 109 < 62 < 115 < 51 < 48 MEAN 3880 +/- 0 93 PREDATOR 0 04/14/10 3690 +/- 814 < 64 < 77 159

• 51

• 136

• 71 *71 04/14/10 4400 +/- 673

• 38 < 43 89 < 35

• 62

• 32 < 40 04/14/10 3640 +/- 847 < 65 < 61 170 < 65

• 168

• 66

• 68 10/12/10 4560 +/- 700 < 18 < 20 42 < 18 < 54

• 22

• 22 10/12/10 4100 +/- 1040

• 62 < 47 142

• 69

• 126 < 55 < 65 10/31/10 4210 +/- 994

• 56 <44 135

• 69

• 108 < 55 < 61 MEAN 4100 +/- 745 -

93 BOTTOM FEEDER 04/14/10 4110 +/- 644 < 47 < 47

• 116

• 50 < 110 < 51 < 47 10/13/10 4520 +/- 1350

• 72

• 58 < 140

• 56

• 159 <64 < 74 10/13/10 4560 +/- 1240 < 55 < 53 < 131

• 70

• 116

• 65 < 62 10/31/10 3670 +/- 697 < 35

• 36

• 87 < 46 < 86 < 34 < 39 MEAN 4215 +/- 833

TABLE C-IV.1 CONCENTRATIONS OF GAMMA EMITTERS IN PREDATOR AND BOTTOM FEEDER (FISH)

SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION K-40 Mn-54 Co-58 Fe-59 Co-60 Zn-65 Cs-134 Cs-1 37 PERIOD 94 PREDATOR 04/13/10 2050 +/- 668 < 45 < 42

• 121 < 34 93 < 46

• 50 04/13/10 3800 +/- 748 <44 < 49 < 126 < 44 88 < 39 < 45 04/13/10 5690 +/- 875 < 62 < 49

• 133

• 50 125 < 53 < 66 10/12/10 5060 +/- 920 < 45

• 41 < 101 < 45 88 < 33

• 36 10/12/10 4440 +/- 1020

• 65

• 71 < 170

• 63 144 < 75

• 63 10/12/10 4840 +/- 1160 < 69 < 79 < 132

• 62 154

• 71

• 70 MEAN 4313.3 +/- 2551 94 BOTTOM FEEDER 04/13/10 3130 +/- 671 < 37 < 45

• 102 < 34 < 92 < 38 < 40 10/12/10 4070 +/- 821 <44 <44

• 76 < 56 < 85 < 39 < 43 MEAN 3600 +/- 1329

TABLE C-IV.2 CONCENTRATIONS OF GAMMA EMITTERS IN CLAM AND CRAB SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION K-40 Mn-54 Co-58 Fe-59 Co-60 Zn-65 Cs-134 Cs-1 37 PERIOD 23 CLAMS 04/13/10 1040 +/-449 < 27 < 33 < 77

• 32 < 61 < 34

• 31 10/11/10 730 +/- 557 < 54 < 55 <134 < 47

• 103 < 49

• 50 MEAN 885 +/- 438 -

24 CLAMS 04/13/10 1100 +/- 524 < 35 < 37 < 81 < 40 < 69

• 36

• 31 10/11/10 1500 +/- 673 < 63 < 49 < 77 < 57

• 137

• 48

• 51 MEAN 1300 +/- 566 -

33 CRABS 10/12/10 2520 +/- 593 < 40 < 46 < 72 < 36 < 83 < 34 < 42 MEAN 93 CRABS 10/13/10 (1) 2410 +/- 697 < 42 < 55 < 85 < 37 < 90 < 36 < 51 MEAN 94 CLAMS 04/13/10 1340 +/- 571 < 45

• 46

• 106 < 39 < 79 < 38 < 43 10/12/10 1750 +/- 598 < 54

• 52

• 98 <54 < 91 < 53 < 59 MEAN 1545 +/- 580 -

(1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION

TABLE C-V.1 CONCENTRATIONS OF GAMMA EMITTERS IN SEDIMENT SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG DRY +/- 2 SIGMA STC COLLECTION Be-7 K-40 Mn-54 Co-58 Co-60 Cs-1 34 Cs-137 PERIOD U

23 04/13/10 < 270 776 +/- 266 < 21 < 29 < 19 < 23 < 25 10/11/10 < 382 2650 +/- 623 < 39 < 41 < 37

• 38 < 42 MEAN 1713 +/- 2650 24 04/13/10 < 340 567 +/- 303 < 26 < 32 < 16

• 24 < 25 10/11/10 < 942 6100 +/- 1110 < 90 < 102 < 102

• 120 < 99 MEAN 3334 +/- 7825 33 04/13/10 < 542 5700 +/- 791 < 45 < 56 < 45 < 38 222 +/- 60 10/11/10 < 471 596 +/- 473 < 40 < 55 < 41 <34 < 39 MEAN 3148 +/- 7218 94 04/13/10 805 + 650 7190 +/- 1010 < 61 < 77 < 63

• 50 < 65 10/12/10 < 580 15100 +/- 1600 < 65 < 69 < 86 < 58 < 77 MEAN 11145 +/- 11186

TABLE C-VI.1 CONCENTRATIONS OF GROSS BETA IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF E-3 PCI/CU METER +/- 2 SIGMA COLLECTION GROUP 1 I GROUP 11 I GROUP III PERIOD 20 66 71 72 73 3 C 41 I 12/29/09 - 01/06/10 15 +/- 4 11 +/-4 10 +/- 4 13 +/- 4 12 +/-4 19 +/-4 118+/-5 14 +/-4 01/06/10 - 01/13/10 17 +/- 4 20 +/-4 18 +/- 4 19 +/- 4 16 +/-4 23 +/-4 2(0+/-4 01/13/10 - 01/20/10 25 +/- 5 18 +/-4 +/-5 10 +/- 4 22 +/- 5 25 +/-5 23 +/-5 2E6+/-5 01/20/10 - 01/27/10 15 +/- 5 20 +/-5 +/-5 14 +/- 5 12 +/- 5 12 +/-5 11 +/-5 21 +/-5 01/27/10 - 02/03/10 18 +/- 5 12 +/-5 +/-5 11 +/- 5 18 +/- 5 18 +/-5 17 +/-5 1;7 +/-5 02/03/10 - 02/09/10 18 +/- 5 11 +/-5 +/-5 12 +/- 5 15 +/- 5 (1) 14 +/-5 13 +/-5 7 (1) 02/09/10 - 02/17/10 8+/-4 <6 '4 8 +/- 4 8+/-4 6 +/-4 11 +/-4 1 1+/-4 20 02/17/10 - 02/24/10 6+/-4 12 +/-5 +/-4 8 +/- 4 8+/-4 6 +/-4 10 +/-4 7 +/-4 02/24/10 - 03/02/10 <7 <8 (1) 16 <7 <8 <8 <8 <8 03/02/10 - 03/10/10 17 +/-4 19 +/-4 +/-4 21 +/-4 18 +/-4 21 +/-4 16 +/-4 18+/- 4 03/10/10 - 03/17/10 16 5 12 +/-5 +/-5 8 +/-5 14 +/-5 <7 7 +/-5 14+/- 5 03/17/10 - 03/24/10 14 +/-5 10 +/-5 +/-4 11 +/-5 (1) 18 +/-5 12 +/-5 10 +/-4 19+/- 5 03/24/10 - 03/31/10 13 +/-5 12 +/-5 +/-5 10 +/-5 13 +/-5 13 +/-5 9 +/-4 9+/- 4 03/31/10 - 04/07/10 9+/-4 12 +/-4 14 14 +/-4 10 +/-4 <7 7 +/-4 7+/- 4 04/07/10 - 04/15/10 14 +/-4 13 +/-4 <7 +/-5 12 +/-4 12 +/-4 9 +/-4 13 +/-4 14+/- 4 04/15/10 - 04/21/10 14 +/-5 13 +/-5 +/-5 17 +/-6 16 +/-6 13 +/-5 11 +/-5 12+/- 5 04/21/10 - 04/28/10 13 +/-5 12 5 +/-5 12 +/-5 18 +/-5 12 +/-5 17 +/-5 17+/- 5 6

04/28/10 - 05/05/10 11 +/- 5 13 +/-5 +/-5 16 +/-5 14 +/-5 19 +/-5 11 +/-4 12+/- 5 05/05/10 - 05/12/10 <6 <6 +/-4 16 +/-5 7 +/-4 <6 7 +/-4 <6 05/12/10 - 05/19/10 8+/-5 9+/- +/-5 11 +/-5 <7 9 +/-5 9 +/-5 8+/-5 05/19/10 - 05/26/10 11 +/-4 14+/- 14 13 +/-5 8 +/-4 13 +/-5 11 +/-4 10 +/-4 05/26/10 - 06/02/10 <7 13+/- 14 14 +/-5 10 +/-5 11 +/-5 18 +/-5 8+/-4 06/02/10 - 06/09/10 8 +/-5 11+/- 12 +/-5 <7 12 +/-5 <7 10 +/-5 06/09/10 - 06/16/10 17 +/-5 14+/- +/-5 17 +/-5 14 +/-5 13 +/-5 13 +/-5 16 +/-5

<7 06/16/10 - 06/23/10 14 +/-5 17+/- +/-5 12 +/-5 11 +/-5 12 +/-5 11 +/-5 12 +/-5 06/23/10 - 06/30/10 19 +/-4 9+/- +/-5 21 +/-4 12 +/-4 22 +/-4 21 +/-4 23 +/- 4 06/30/10 - 07/07/10 18 +/-5 17+/- +/-5 20 +/-5 14 +/-5 22 +/-5 17 +/-5 18 +/- 5 07/07/10 - 07/14/10 7 +/-5 16+/- +/-5 13 +/-5 13 +/-5 17 +/-5 13 +/-5 14 +/- 5 15i 07/14/10 - 07/21/10 17 +/-5 17+/- +/-5 19 +/-5 14 +/-5 18 +/-5 22 +/-5 19 +/- 5 07/21/10 - 07/28/10 18 +/-5 17+/- +/-5 20 +/-5 18 +/-5 17 +/-5 18 +/-5 18 +/- 5 07/28/10 - 08/04/10 12 +/-5 15+/- 12 +/-5 13 +/-5 13 +/-5 15 +/-5 13 +/-5 20 +/- 5 08/04/10 - 08/11/10 19 +/-5 23+/- +/-6 19 +/-6 17 +/-5 25 +/-6 21 +/-6 22 +/- 6 08/11/10 - 08/18/10 11 +/-5 16+/- 216 +/-5 11 +/-5 10 +/-5 14 +/-5 8 +/-5 16 +/- 5 08/18/10 - 08/25/10 18 +/-4 22+/- +/-5 19 +/-4 22 +/-5 23 +/-5 20 +/-4 25 +/- 5 08/25/10 - 09/01/10 26 +/-5 26+/- +/-5 27 +/-5 20 +/-4 23 +/-4 28 +/-5 23 +/- 4 09/01/10 - 09/08/10 25 +/-6 25+/- +/-6 20 +/-6 15 +/-5 28 +/-6 24 +/-6 25 +/- 6 09/08/10 - 09/15/10 15 +/-5 13+/- +/-5 12 +/-5 <7 9 +/-5 9 +/-5 8+/-5 09/15/10 - 09/22/10 24 +/-5 21+/- +/-5 30 +/-5 22 +/-5 22 +/-5 24 +/-5 23 +/-5 09/22/10 - 09/29/10 24 +/-5 <6 +/-4 20 +/-4 24 +/-5 20 +/-4 22 +/-4 18 +/-4 09/29/10 - 10/06/10 <7 <7 <7 <7 <7 <7 <7 10/06/10 - 10/13/10 26 +/-5 25 +/- +/-5 22 +/-5 18 +/-4 25 +/-5 27 +/-5 22 +/-4 10/13/10 - 10/20/10 23 +/-5 23 +/- +/-4 19 +/-4 19 +/-4 18 +/-4 22 +/-5 25 +/-5 10/20/10 - 10/27/10 13 +/-4 11+/- +/-4 9 +/-4 9+/-4 11 +/-4 13 +/-4 14 +/-4 10/27/10 - 11/03/10 <6 <6 (1) < 6 <6 <6 9 +/-4 12 +/-4 11/03/10 - 11/10/10 12 +/-4 8 +/-4 10 +/-4 6+/-4 8 +/-4 6 +/-4 8+/-4 11/10/10 - 11/17/10 18 +/-5 17 +/-5 14 +/-5 13+/-5 16 +/-5 7 +/-4 15 +/-5 11/17/10 - 11/23/10 25 +/-6 25 16 29 +/-6 19+/-6 25 +/-6 22 +/-6 23 +/-6 11/23/10 - 11/30/10 12 +/-4 12 14 12 +/-4 12+/-4 11 +/-4 14 +/-4 15 +/-4 11/30/10 - 12/08/10 12 +/-3 12 +/-3 (1) 8+/-3 8 +/-3 11 +/-3 13 +/-3 12/08/10 - 12/15/10 9 +/-5 11 +/-5 13 +/-5 12+/-5 13 +/-5 9 +/-5 11 +/-5 12/15/10 - 12/21/10 22 +/-6 18 +/-6 18 +/-6 15+/-6 20 +/-6 20 +/-6 23 +/-6 12/21/10 - 12/28/10 (1) <9 +/-5 <7 <7 <7 (1) 8+/-5 MEAN 16 +/-11 15 +/-10 15 +/-11 15 +/-11 14 +/-9 16 +/-11 15 +/-12 16 +/-11

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-14

TABLE C-VI.2 MONTHLY AND YEARLY MEAN VALUES OF GROSS BETA CONCENTRATIONS IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF E-3 PCI/CU METER +/- 2 SIGMA GROUP I - ON-SITE LOCATIONS GROUP II - INTERMEDIATE DISTANCE LOCATIONS GROUP III - CONTROL LOCATIONS COLLECTION MIN MAX MEAN+/- COLLECTION MIN MAX MEAN+/- COLLECTION MIN MAX MEAN+/-

2SD PFRIC*Il  ?RR PFRIOl" 2SD PERIOD PERIOD 2SD PERIOD 12/29/09 - 02/03/10 11 25 17 +/- 8 12/29/09 - 02/03/10 1U zo 12/29/09 02/03/10 11 26 19 +/-8 02/03/10 - 03/02/10 6 18 10 +/- 9 02/03/10 - 03/02/10 6 15 9 +6 02/03/10 03/02/10 7 17 11 6 03/02/10 - 03/31/10 9 20 14 +/- 7 03/02/10 - 03/31/10 8 21 15 +/-9 03/02/10 03/31/10 7 19 13 9 03/31/10 - 04/28/10 8 17 13 +/- 5 03/31/10 - 04/28/10 9 18 13 +/-5 03/31/10 04/28/10 7 17 12 8 04/28/10 - 06/02/10 7 14 11 +/-5 04/28/10 - 06/02/10 7 19 12 +7 04/28/10 06/02/10 7 18 10+/- 7 06/02/10 - 06/30/10 8 24 14 9 06/02/10 - 06/30/10 11 22 14 +8 06/02/10 06/30/10 10 23 15 +/- 10 06/30/10 - 07/28/10 7 19 16+/- 6 06/30/10 - 07/28/10 13 22 17 +/-6 06/30/10 07/28/10 13 22 17+/- 5 07/28/10 - 09/01/10 11 28 19 +/-11 07/28/10 - 09/01/10 10 27 18 +/- 10 07/28/10 09/01/10 8 28 20 +/- 12 09/01/10 - 09/29/10 13 25 20 9 09/01/10 - 09/29/10 9 30 20 +/-13 09/01/10 09/29/10 8 25 19 +/- 14 10/06/10 - 10/27/10 9 27 19 14 10/06/10 - 10/27/10 9 25 17 +/- 12 10/06/10 11/03/10 9 27 18 +/- 14 11/03/10 - 11/30/10 8 25 16 12 11/03/10 - 11/30/10 6 29 15 +/-13 11/03/10 11/30/10 6 23 14 +/- 13 11/30/10 - 12/28/10 7 22 13 +/-10 11/30/10 - 12/21/10 8 20 13 +9 11/30/10 12/28/10 8 23 14 +/- 11 12/29/09 - 12/28/10 6 28 15 10 12/29/09 - 12/28/10 6 30 15 +/- 10 12/29/09 - 12/28/10 6 28 15 +/- 12

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES

TABLE C-V.3 CONCENTRATIONS OF STRONTIUM INAIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF E-3 PCI/CU METER +/- 2 SIGMA STC COLLECTION SR-89 SR-90 STC COLLECTION SR-89 SR-90 PERIOD PERIOD 3 12/29/09 - 03/31/10 <7 <1 72 12/29/09 - 03/31/10 <6 <1 03/31/10 - 06/30/10 <7 <6 03/31/10 - 06/30/10 <7 <4 06/30/10 - 09/29/10 <8 <3 06/30/10 - 09/29/10 <8 <2 09/29/10 - 12/21/10 <3 <3 09/29/10 - 12/28/10 <4 <2 MEAN MEAN 20 12/29/09 03/31/10 <7 <1 73 12/29/09 - 03/31/10 <6 <1 03/31/10 06/30/10 <8 <4 03/31/10 - 06/30/10 <8 <6 06/30/10 09/29/10 <9 <4 06/30/10 - 09/29/10 <9 <3 09/29/10 12/21/10 <3 <1 09/29/10 - 12/28/10 <3 <1 MEAN MEAN 66 12/29/09 - 03/31/10 <6 <1 111 12/29/09 - 03/31/10 <7 <1 03/31/10 - 06/30/10 <6 <3 03/31/10 - 06/30/10 <9 <8 06/30/10 - 09/29/10 <8 <3 06/30/10 - 09/29/10 <8 <3 09/29/10 - 12/28/10 <3 <1 09/29/10 - 12/28/10 <3 <1 MEAN MEAN 71 12/29/09 - 03/31/10 <6 <1 C 12/29/09 - 03/31/10 <7 <1 03/31/10 - 06/30/10 <7 <4 03/31/10 - 06/30/10 <8 <4 06/30/10 - 09/29/10 <7 <2 06/30/10 - 09/29/10 < 10 <3 09/29/10 - 12/28/10 <3 <1 09/29/10 - 12/28/10 <3 <1 MEAN MEAN C-16

TABLE C-VI.4 CONCENTRATIONS OF GAMMA EMITTERS IN AIR PARTICULATE SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF E-3 PCI/CU METER +/- 2 SIGMA STC COLLECTION Be-7 Mn-54 Co-58 Co-60 Cs-1 34 Cs-1 37 PERIOD 3 12/29/09 - 03/31/10 80 +/- 26 <3 <5 <4 <4 <4 03/31/10 - 06/30/10 75 +/- 28 <5 <4 <4 <4 <4 06/30/10 - 09/29/10 82 +/- 27 <2 <4 <3 <3 <3 09/29/10 - 12/21/10 84 +/- 28 <3 <5 <5 <4 <3 MEAN 80 +/- 8 20 12/29/09 - 03/31/10 78 +/- 27 <4 <5 <4 <4 <4 03/31/10 - 06/30/10 86 +/- 48 <5 <6 <4 <5 <5 06/30/10 - 09/29/10 52 +/- 31 <3 <3 <3 <3 <3 09/29/10 - 12/21/10 62 +/- 24 <3 <3 <3 <3 <2 MEAN 69 +/- 31 66 12/29/09 - 03/31/10 77 +/- 27 <4 <5 <4 <3 <3 03/31/10 - 06/30/10 51 +/- 27 <2 <5 <4 <3 <3

- 09/29/10 65 +/- 26 <3 <3 <2 <2 <2 06/30/10 09/29/10 - 12/28/10 63 +/- 21 <2 <3 <3 <3 <3 MEAN 64 +/- 22 71 12/29/09 - 03/31/10 63 +/- 21 <3 <3 <3 <3 <2 03/31/10 - 06/30/10 77 +/- 36 <4 <4 <3 <4 <4 06/30/10 - 09/29/10 60 +/- 20 <3 <3 <2 <3 <3 09/29/10 - 12/28/10 66 +/- 23 <3 <4 <3 <3 <2 MEAN 67 +/- 14 72 12/29/09 - 03/31/10 97 +/- 25 <3 <3 3 <3 <2 03/31/10 - 06/30/10 81 +/- 30 <3 <3 3 <3 <4 06/30/10 - 09/29/10 79 +/- 31 <3 <3 3 <3 <3 09/29/10 - 12/28/10 58 +/- 21 <3 <2 3 <3 <3 MEAN 79 +/- 32 73 12/29/09 - 03/31/10 87 +/- 37 <3 <3 <3 <3 <2 03/31/10 - 06/30/10 69 +/- 34 <4 <5 <4 <4 <4 06/30/10 - 09/29/10 75 +/- 24 <3 <4 <3 <3 <3 09/29/10 - 12/28/10 54 +/- 30 <3 <4 <2 <3 <3 MEAN 71 +/- 28 111 12/29/09 - 03/31/10 61 +/- 22 <4 <5 <4 <3 <3 03/31/10 - 06/30/10 83 +/- 37 <5 <6 <4 <4 <5 06/30/10 - 09/29/10 67 +/- 20 <2 <3 <3 <2 <2 09/29/10 - 12/28/10 69 +/- 37 <4 <4 <4 <3 <3 MEAN 70 +/- 19 C 12/29/09 - 03/31/10 58 +/- 30 <3 <4 <3 <3 <3 03/31/10 - 06/30/10 77 +/- 31 <2 <4 <4 <3 <3 06/30/10 - 09/29/10 56 +/- 21 <2 <4 <2 <2 <2 09/29/10 - 12/28/10 48 +/- 16 <2 <3 <4 <3 <2 MEAN 60 +/- 24 C-17

TABLE C-VII.1 CONCENTRATIONS OF 1-131 IN AIR IODINE SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF E-3 PCI/CU METERt+/-2 SIGMA COLLECTION GROUP 1 I GROUP 11 GROUP Ill PERIOD 20 66 ill 71 72 73 3 C U

12/29/09 -01/06/10 *46 *40

• 39

• 39 *48 *40 *48 < 49 01/06/10 -01/13/10 *46 *61

• 47 *60 *48 *62

• 26

• 53 01/13/10 -01/20/10 *66 *69 *67 *38 *26 *70

• 59 *<61 01/20/10 -01/27/10 *29 *17 *30 *30

• 45 *17

• 44 < 20 01/27/10 -02/03/10

• 35 *32 *31 *31

• 37 *32

• 37 < 28 02/03/10 -02/09/10 *42 *51 (1)

• 49 *50 < 44 (1) *51

• 44 < 48 (1) 02/09/10 -02/17/10 *28 *30 *29 *30 *29 *30

• 29 *<39 02/17/10 -02/24/10

• 39 *30 *29 *29 *40 *30 *40 *<33 02/24/10 -03/02/10

• 35

• 55 < 54 < 54

• 37 *56

• 37 *<39 03/02/10 -03/10/10 <9 <9 <9 <4 <7 <9 <7 <7 03/10/10 -03/17/10 *67

• 55

• 53

• 53 *69

• 55

• 68 < 68 03/17/10 -03/24/10 *23 *24 (1) < 24 *24 (1) *24 *12

• 23 *<23 03/24/10 -03/31/10 *38 *32 *31 < 32

• 39 *31

• 38 < 38 03/31/10 -04/07/10 *27 *12 *28 *28 *30 *28 *29 *<29 04/07/10 -04/15/10 *31 *22 *22 *22 *31 *22 *30 *<29 04/15/10 -04/21/10 *36

• 37 *20

• 37 *52

• 37

• 52 < 53 04/21/10 -04/28/10 *30 *36 *36 *36 *31 *36 *30 *<30 04/28/10 -05/05/10 *16 *38 *38 *38

• 33 *38

• 32 < 32 05/05/10 -05/12/10 *27 *14 *14 *14 *27 *14 *27 < 27 05/12/10 -05/19/10

• 34 *27 *26 *26 *15 *26

• 34 < 34 05/19/10 - 05/26/10 *26 *27 *26 *16 *23 *26 *41 *41 05/26/10 - 06/02/10

• 37 *36 *36 *36 *38 *36

• 16 < 37 06/02/10 - 06/09/10

• 47

• 43

• 43

• 43 *48

• 43

• 47 < 46 06/09/10 - 06/16/10

• 35 *36 *36 *20 *30 *36

• 29 *<29 06/16/10 - 06/23/10 *51 *42 *42 *42 *52 *42 *51 *51 06/23/10 - 06/30/10 *36 *30 *30 *30

• 37 *30

• 36 .< 33 06/30/10 - 07/07/10

• 35 *36 *36 *20

• 44 *36

• 43 *<42 07/07/10 - 07/14/10 *31

• 33

• 33

• 33 *32

• 33 *31

• 33 07/14/10 - 07/21/10 *28 *28 *28 *16 *42 *28

• 39 *<38 07/21/10 - 07/28/10 *27 *28 *28 *17 *22 *28

• 22 < 23 07/28/10 - 08/04/10 *38 *38 *38 *21

• 33 *38

• 32 < 32 08/04/10 - 08/11/10 *27 *24 *24 *24 *27 *24 *27 < 27 08/11/10 - 08/18/10 *38 *38 *38 *38

• 39 *38

• 37 < 36 08/18/10 - 08/25/10 *46 *29

• 47

• 47 *28

• 47 *28 *<28 08/25/10 - 09/01/10 *41 *61 *60 *60 *42 *60 *41 <41 09/01/10 - 09/08/10

• 39

• 33 *18 *32 *40 *32

• 39 <39 09/08/10 - 09/15/10

• 55 *48

• 47

• 47 *56

• 47

• 55 < 30 09/15/10 - 09/22/10 *16 *30 *30 *30

• 35 *30

• 35

• 35 09/22/10 - 09/29/10 *36 *36 *36 *20

• 39 *36

• 37 < 37 09/29/10 - 10/06/10 *68

• 45 *69

• 45 *25

• 45 *69 <47 10/06/10 - 10/13/10 *46 *36 *36 *36

• 47

• 35

• 44 < 48 10/13/10 - 10/20/10 < 45

• 59 *46

• 59 *46

• 59

• 26 < 48 10/20/10 - 10/27/10 *41 *67 *67 *67 *42 *67

• 41 <41 10/27/10 - 11/03/10

• 53 < 54 (1) < 54 *66 < 54

• 65 < 29 11/03/10 - 11/10/10 *48 *52 *52 *51

• 49 *51

• 47 < 47 11/10/10 - 11/17/10 *52 *58

• 53 *58

• 53 *58

• 54 < 53 11/17/10 - 11/23/10 *69 *68 *68 *67 *69 *67

• 68 <68 11/23/10 - 11/30/10 *<42

• 43

• 43

• 43

• 43

• 43

• 42

• 65 11/30/10 - 12/08/10 *29 *30 *30 (1) *30 *16

• 17i < 39 12/08/10 - 12/15/10 *68 *70 *70 *38 *51 *69 *S5 <50 12/15/10 - 12/21/10 *68 *69 *68 *68 *70 *68 *69 *<68 12/21/10 - 12/28/10

• 33

• 59 < 44 *46

• 45 *28

• 32 < 40 12/28/10 - 01/05/11 (1) *36

• 37 *36 *62 *36 (1 *

<62 MEAN (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-18

TABLE C-VIII.1 CONCENTRATIONS OF STRONTIUM AND GAMMA EMITTERS IN VEGETATION SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION SR-89 SR-90 Be-7 K-40 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 35 06129/10 Cabbage < 15 < 3.5 < 243 6960 +/- 768 < 31 < 27 < 27 < 124 < 38 06/29/10 Collards (1) - - - - - - - - -

06/29/10 Kale < 15 14.1 +/- 3.2 < 264 9880 +/- 896 < 32 < 29 < 37 < 128 < 30 07/27/10 Cabbage < 17 < 2.4 133 +/- 41 7410 +/- 191 < 26 < 10 <9 < 60 < 17 07/27/10 Collards < 21 < 3.4 115 +/- 57 7190 +/- 212 < 20 <7 8 < 47 < 13 07/27/10 Kale < 20 < 3.8 < 177 9030 +/- 516 < 46 < 16 < 21 < 117 < 31 08/23/10 Cabbage < 12 4.7 +/- 2.0 178 +/- 138 3790 +/- 435 < 31 < 19 < 21 < 80 < 20 08/23/10 Collards < 12 < 3.5 < 218 5180 +/- 413 < 44 < 24 < 23 < 118 < 25 08/23/10 Kale < 13 < 3.0 < 195 4000 +/- 503 < 39 < 18 < 25 < 97 < 23 09/15/10 Cabbage < 14 4.2 +/- 2.5 154 +/- 72 4690 +/- 191 < 44 <4 < 5 < 61 < 14 09/15/10 Collards < 14 < 3.5 93 +/- 46 6690 +/-:159 < 60 <5 < 6 < 83 < 19 09/15/10 Kale < 15 5.0 +/- 2.6 < 68 7820 +/- 247 < 50 < 5 < 6 < 75 < 18 10/25/10 Cabbage < 10 < 3.6 102 +/- 61 5750 +/- 230 < 30 <9 < 10 < 66 < 18 10/25/10 Collards < 9 < 4.8 118 +/- 48 4880 +/- 177 < 23 <7 < 8 < 50 < 15 10/25/10 Kale < 10 < 3.7 < 78 7160 +/- 248 < 26 <8 < 9 < 60 < 18 MEAN - 7.0 +/- 9.5 128 +/- 60 6459 +/- 3651 - - - - -

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-VIII.1 CONCENTRATIONS OF STRONTIUM AND GAMMA EMITTERS INVEGETATION SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION SR-89 SR-90 Be-7 K-40 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 36 06/29/10 Cabbage < 16 < 3.6 < 209 3210 +/- 578 < 33 < 20 < 29 < 80 < 24 06/29/10 Collards < 15 < 3.3 < 285 5970 +/- 666 < 40 < 38 < 36 < 132 < 29 06/29/10 Kale < 15 5.1 +/- 2.7 < 223 4260 +/- 637 < 33 < 27 < 31 < 117 < 22 07/27/10 Cabbage < 17 6.3 +/- 2.0 < 215 3030 +/- 319 < 57 < 23 < 23 < 141 < 36 07/27/10 Collards < 20 3.4 +/- 2.3 < 186 5380 +/- 512 < 59 < 20 < 21 < 133 < 42 07/27/10 Kale < 17 5.8 +/- 2.2 < 194 6320 +/- 352 < 58 < 21 < 20 < 125 < 31 08/23/10 Cabbage < 14 < 3.4 < 162 2690 +/- 449 < 38 < 19 < 23 < 119 < 32 08/23/10 Collards < 16 6.3 +/- 3.3 250 +/- 142 4260 +/- 398 < 28 < 12 < 16 < 74 < 23 08/23/10 Kale < 14 < 4.0 441 +/- 227 5460 +/- 565 < 44 < 25 < 28 < 104 < 26 09/15/10 Cabbage < 15 3.5 +/- 2.2 < 54 3190 +/- 148 < 51 < 5 < 5 < 71 < 19 09/15/10 Collards < 14 7.1 +/- 2.4 < 45 5990 +/- 203 < 42 <4 < 4 < 61 < 15 09/15/10 Kale < 14 < 4.8 < 193 5330 +/- 504 < 58 < 23 < 23 < 138 < 36 10/25/10 Cabbage < 11 < 4.5 < 61 3000 +/- 149 < 21 < 6 < 7 < 47 < 13 10/25/10 Collards < 10 < 3.6 182 +/- 69 6470 +/- 218 < 32 < 9 < 10 < 68 < 17 10/25/10 Kale < 12 < 3.4 367 +/- 144 6250 +/- 429 < 48 < 15 < 15 < 102 < 30 MEAN - 5.4 +/- 2.9 310 +/- 232 4437 +/- 3715 - - - - -

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES

TABLE C-VIII.1 CONCENTRATIONS OF STRONTIUM AND GAMMA EMITTERS IN VEGETATION SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/-2 SIGMA STC COLLECTION SR-89 SR-90 Be-7 K-40 1-131 Cs- 134 Cs-137 Ba-140 La-140 PERIOD 66 06/29/10 Cabbage < 19 < 3.7 < 365 3640 +/- 891 < 57 <44 < 49 < 178 < 57 06/29/10 Collards (1) 06/29/10 Kale < 16 < 4.2 < 354 4540 +/- 688 < 36 < 33 < 37 < 135 < 27 07/27/10 Cabbage < 20 < 2.6 < 83 3660 +/- 173 < 24 <7 <9 < 55 < 17 07/27/10 Collards < 20 < 3.0 < 73 3150 +/- 173 < 22 <7 <9 < 52 < 17 07/27/10 Kale < 18 < 3.1 < 98 3730 +/- 210 < 26 < 10 < 12 < 64 < 22 08/23/10 Cabbage < 13 < 3.8 < 199 3110 +/- 376 < 36 < 19 < 24 < 99 < 29 tCj 08/23/10 Collards < 12 < 3.4 310 +/- 227 3690 +/- 470 < 49 < 23 < 27 < 138 < 41 08/23/10 Kale < 15 3.7 +/- 2.3 < 288 3630 +/- 484 < 47 < 23 < 31 < 124 < 38 09/15/10 Cabbage < 15 < 3.2 <445 2570 +/- 652 < 32 < 33 < 42 < 571 < 171 09/15/10 Collards < 17 5.3 +/- 2.6 < 513 3990 +/- 758 < 58 < 45 < 51 < 786 < 295 09/15/10 Kale < 12 < 2.6 174 +/- 66 4450 +/- 166 < 38 <4 <5 < 60 < 16 10/25/10 Cabbage (1) 10/25/10 Collards (1) 10/25/10 Kale <9 <3.8 438 +/- 76 4440 +/- 188 < 26 <8 <8 <56 < 16 MEAN 4.5 +/- 2.2 307 +/- 264 3717 +/- 1181

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION

TABLE C-VIII.1 CONCENTRATIONS OF STRONTIUM AND GAMMA EMITTERS INVEGETATION SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/-2 SIGMA STC COLLECTION SR-89 SR-90 Be-7 K-40 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 115 06/29/10 Cabbage (2) < 12 < 2.5 < 198 6540 +/- 675 < 23 < 21 < 22 < 82 < 30 06/29/10 Collards < 16 14.0 +/- 3.3 < 193 6850 +/- 644 < 26 < 24 < 25 < 94 < 19 06/29/10 Kale < 14 6.0 +/- 2.3 < 262 8460 +/- 849 < 36 < 27 < 36 < 129 < 26 07/27/10 Cabbage < 19 < 3.1 < 194 6360 +/- 556 < 54 < 18 < 21 < 112 < 34 07/27/10 Collards < 20 19.7 +/- 3.6 220 + 131 12200 +/- 574 < 59 < 19 < 24 < 134 < 29 07/27/10 Kale < 20 11.8 +/- 2.8 < 182 10100 +/- 485 < 46 < 18 < 20 < 125 < 36 08/23/10 Cabbage < 15 11.0 +/- 3.0 < 285 4550 +/- 661 < 45 < 23 < 32 < 122 < 37 08/23/10 Collards < 13 7.5 +/- 2.9 < 292 5750 +/- 586 < 53 < 39 < 32 < 135 < 51 08/23/10 Kale < 16 11.1 +/- 3.3 < 241 4720 +/- 594 < 37 < 22 < 20 < 128 < 34 09/15/10 Cabbage < 15 7.1:+/- 3.0 < 40 5630 +/- 160 < 39 < 3 < 4 < 54 < 15 09/15/10 Collards < 16 10.1 +/- 3.1 147 +/- 91 9080 +/- 249 < 48 < 5 < 5 < 72 < 15 09/15/10 Kale < 18 19.5 +/- 3.0 183 +/- 77 7670 +/- 191 < 59 < 5 < 6 < 88 < 21 10/25/10 Cabbage <9 3.3 +/- 2.0 < 63 4530 +/- 163 < 23 <6 < 7 < 47 < 13 10/25/10 Collards <8 16.5 +/- 2.3 266 +/- 71 6800 +/- 224 < 27 <8 < 9 < 61 < 16 10/25/10 Kale < 15 < 4.6 167 +/- 74 5270:+/- 199 < 26 < 8 < 9 < 58 < 14 MEAN - 11.5 +/- 10.4 197 +/- 94 6967 +/- 4406 - - - -

THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES (2) SEE PROGRAM CHANGES SECTION FOR EXPLANATION

TABLE C-IX.1 QUARTERLY TLD RESULTS FOR OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF MILLI-ROENTGEN/STD. QUARTER +/- STANDARD DEVIATIONS STATION MEAN JAN - MAR APR - JUN JUL - SEP OCT -DEC CODE +/-2S.D.

a 14.7 +/- 4.0 17.4 +/- 2.4 12.6 +/- 1.5 1417 +/- 1.5 14.1 +/- 1.2 3 13.2 +/- 4.0 15.9 +/- 1.2 11.1 +/- 0.9 12.9 +/- 1.5 12.9 +/- 2.1 4 13.2 +/- 3.0 15.0 +/- 1.2 11.4 +/- 1.8 12.9 +/- 1.2 13a5 +/- 1.2 5 17.8 +/- 3.4 20.1 +/- 2.4 16.2 +/- 2.1 18.0 +/- 1.8 16.8 +/- 1.2 6 13.7 +/- ao0 15.6 +/- 1.2 12.0 +/- 2.1 ia.5 +/- 0.6 ia.5 +/- 1.5 a 13.7 +/- 3.2 15.9 +/- 1.8 12.3 +/- 3.3 13.8 +/- 2.7 12.9 +/- 1.2 9 12.6 +/- 3.4 15.0 +/- 2.4 11.4 +/- 0.9 12.6 +/- 1.2 11.4 +/- 1.8 C 14.1 +/- 2.3 15.8 +/- 1.8 13.2 +/- 2.0 14.0 +/- 1.7 13.5 +/- 1.8 11 13.8 +/- 3.7 16.2 +/- 1.8 11.7 +/- 0.6 ia.5 +/- 1.2 13.8 +/- 1.2 14 15.7 +/- 3.0 17.7 +/- 1.2 14.4 +/- 2.1 15.9 +/- 2.1 14.7 +/- 0.9 22 13.5 +/- 3.5 15.9 +/- 3.0 11.7 +/-1.2 13.2 +/- 2.1 13.2 +/- 1.8 46 12.5 +/- 2.8 14.4 +/- 2.7 11.1 +/-1.8 12.3 +/- 2.1 12.0 +/- 1.5 47 13.7 +/- 3.3 15.9 +/- 2.4 12.3 +/-1.8 14.1 +/- 1.5 12.6 +/- 1.2 48 14.2 +/- 3.3 16.5 +/- 2.1 12.9 +/-0.9 14.1 +/- 2.1 13.2 +/- 1.5 51 15.9 +/- 3.3 17.7 +/- 2.1 13.8 +/-1.2 16.5 +/- 1.8 15.6 +/- 2.4 52 17.3 +/- 3.9 18.6 +/- 0.9 15.0 +/-0.6 19.2 +/- 2.1 16.5 +/- 2.7 53 15.4 +/- 3.8 18.0 +/- 2.1 13.5 +/- 1.2 15.3 +/- 1.8 14.7 +/-2.4 54 13.5 +/- 3.0 15.0 +/- 0.9 11.7 +/- 0.9 14.4 +/- 0.6 12.9 +/-1.8 55 19.1 +/- 4.1 21.6 +/- 1.5 17.7 +/- 0.9 19.8 +/- 0.9 17.1 +/-3.6 56 17.3 +/- 2.7 18.6 +/- 1.2 15.9 +/- 1.2 18.3 +/- 2.7 16.5 +/-1.2 57 14.6 +/- 3.2 16.2 +/- 1.5 12.9 +/- 2.1 15.6 +/- 1.5 ia3.+/- 1.2 58 15.0 +/- 4.0 17.4 +/- 6.3 13.2 +/- 1.5 15.9 +/- 2.7 ia3.+/- 1.5 59 14.8 +/- 2.9 15.9 +/- 1.5 12.9 +/- 1.2 15.9 +/- 3.o 14.4 +/-2.4 61 13.9 +/- 3.5 15.9 +/- 1.2 11.7 +/- 0.6 14.4 +/- 1.8 13.5 +/-1.5 62 14.2 +/- 2.3 15.6 +/- 1.8 12.9 +/- 1.2 14.4 +/- 1.5 13.8 +/-2.1 63 14.2 +/- 3.6 15.9 +/- 1.5 12.3 +/- 1.5 14.4 +/- 2.4 (1) (1) 64 14.1 +/- 3.8 16.2 +/- 2.4 11.7 +/- 1.2 14.7 +/- 1.8 13.8 +/- 2.1 65 14.0 +/- 3.7 16.2 +/- 0.3 11.7 +/- 1.2 14.4 +/- 1.5 13.5 +/- 1.2 66 13.2 +/- 2.5 14.7 +/- 1.5 11.7 +/- 1.8 13.5 +/- 1.5 12.9 +/- 1.8 68 12.5 +/- 3.2 13.8 +/- 1.2 (1) 10.5 +/- 1.5 13.8 +/- 1.8 12.0 +/- 1.5 71 14.6 +/- 3.3 16.5 +/- 2.1 12.6 +/- 1.2 15.3 +/- 1.8 14.1 +/- 1.5 72 14.1 +/- 4.2 16.8 +/- 1.2 12.0 +/- 1.5 14.7 +/- 2.4 12.9 +/- 1.2 73 12.5 +/- 3.4 14.7 +/- 2.4 10.5 +/- 0.6 12.6 +/- 2.4 12.3 +/- 1.2 74 12.8 +/- 3.9 15.0 +/- 0.6 10.5 +/- 0.9 ia.5 +/- 1.8 12.0 +/- 1.5 75 13.3 +/- 2.0 14.4 +/- 1.2 12.3 +/- 1.5 13.8 +/- 1.2 12.6 +/- 1.8 78 14.0 +/- 4.0 16.2 +/- 1.5 11.4 +/- 1.5 14.4 +/- 1.8 13.8 +/- 3.6 79 14.3 +/- 3.1 16.2 +/- 1.8 12.9 +/- 2.4 15.0 +/- 2.7 13.2 +/- 1.8 81 13.4 +/- 3.3 15.0 +/- 1.5 11.1 +/- 0.6 14.1 +/- 2.4 ia.5 +/- 1.8 82 1317 +/- 5.0 17.1 +/- 3.0 11.1 +/- 0.9 ias5 +/- 1.5 13.2 +/- 1.5 84 13.5 +/- 3.9 15.9 +/- 1.5 11.1 +/- 2.1 13.8 +/- 3.0 13.2 +/- 2.4 85 12.5 +/- 3.2 14.4 +/- 1.5 10.5 +/- 1.2 12.6 +/- 0.9 12.3 +/- 0.9 86 14.0 +/- 3.9 16.2 +/- 1.8 11.7 +/- 0.9 14.7 +/- 1.8 13.2 +/- 1.8 88 12.2 +/- 4.3 15.0 +/- 1.5 9.9 +/- 0.6 12.3 +/- 2.1 11.4 +/- 1.2 89 12.2 +/- 0.8 12.6 +/- 1.5 12.3 +/- 1.5 12.3 +/- 2.1 11.7 +/- 1.5 90 12.2 +/- 3.4 14.1 +/- 1.5 10.2 +/- 1.2 12.9 +/- 1.8 11.4 +/- 1.2 92 14.3 +/- 3.3 16.8 +/- 1.5 ia.5 +/- 2.4 13.8 +/- 1.2 13.2 +/- 1.8 98 13.7 +/- 5.5 15.6 +/- 1.5 11.7 +/- 0.6 (1) (1) 99 13.1 +/- 3.4 15.6 +/- 2.4 (1) 12.0 +/- 2.7 12.6 +/- 1.5 12.0 +/- 1.5 Ti 14.9 +/- 3.9 17.4 +/- 1.5 12.9 +/- 0.9 15.3 +/- 1.5 13.8 +/- 1.2 (1) SEE PROGRAM EXCEPTIOS SECTION FOR EXPLANATION C-23

TABLE C-IX.1 QUARTERLY TLD RESULTS FOR OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF MILLI-ROENTGEN/STD. QUARTER +/- STANDARD DEVIATIONS STATION MEAN JAN - MAR APR - JUN JUL - SEP OCT-DEC CODE +/-2 S.D.

100 13.3 +/- 3.3 15.3 +/- 2.7 11.4 + 1.5 13.8 +/- 1.5 12.6 +/- 1.2 101 13.4 +/- 3.3 15.6 +/- 3.9 12.0 + 1.2 13.8 +/- 0.9 12.3 +/- 1.5 102 14.5 +/- 3.6 16.8 +/- 1.2 12.9 + 2.4 15.0 +/- 1.2 13.2 +/- 0.9 103 13.6 +/- 2.7 14.7 +/- 2.4 12.0 + 2.1 14.7 +/- 1.8 12.9 +/- 1.5 104 14.0 +/- 3.8 16.8 +/- 1.2 12.6 +/- 1.2 13.5 +/- 2.4 13.2 +/- 1.8 105 12.4 +/- 3.9 14.7 +/- 0.9 10.5 +/- 1.8 13.2 + 1.5 11.1 +/- 0.9 106 13.2 +/- 2.9 15.0 +/- 2.1 (1) 12.0 +/- 0.6 13.8 + 2.7 12.0 +/- 0.9 107 13.3 +/- 4.5 16.5 +/- 2.7 (1) 11.4 +/- 0.9 12.9 +/- 1.2 12.3 +/- 1.5 108 16.2 +/- 0.0 16.2 +/- 3.0 (1) (1) (1) (1) 109 14.3 +/- 3.3 16.8 +/- 1.2 13.2 +/- 0.9 13.5 +/- 1.8 13.8 +/- 1.2 110 13.9 +/- 3.1 15.9 +/- 1.8 12.3 +/- 1.2 14.1 +/- 1.2 13.2 +/- 2.4 112 16.7 +/- 3.0 18.9 +/- 3.6 15.6 +/- 2.7 16.2 +/- 0.6 15.9 +/- 3.3 113 14.3 +/- 4.4 17.4 +/- 1.5 12.6 +/- 0.9 14.1 +/- 1.2 12.9 +/- 0.6 (1) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION C-24

TABLE C-IX.2 MEAN QUARTERLY TLD RESULTS FOR THE SITE BOUNDARY, INTERMEDIATE, SPECIAL INTEREST AND CONTROL LOCATIONS FOR OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF MILLI-ROENTGEN PER STD. QUARTER +/- 2 STANDARD DEVIATIONS OF THE STATION DATA COLLECTION SITE BOUNDARY INTERMEDIATE SPECIAL INTEREST CONTROL PERIOD +/- 2 S.D.

JAN-MAR 17.1 +/- 3.3 15.7 +/- 2.3 15.4 +/- 2.8 16.8 +/- 2.7 APR-JUN 13.3 +/- 3.3 11.9 +/- 2.2 11.6 +/- 2.3 13.8 +/- 1.7 JUL-SEP 15.6 +/- 3.5 13.8 +/- 2.2 13.5 +/- 2.1 15.0 +/- 2.7 OCT-DEC 14.4 +/- 2.7 12.9 +/- 2.0 12.8 +/- 2.1 14.1 +/- 1.7 TABLE C-IX.3

SUMMARY

OF THE AMBIENT DOSIMETRY PROGRAM FOR OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF MILLI-ROENTGEN/STD. QUARTER LOCATION SAMPLES PERIOD PERIOD PERIOD MEAN ANALYZED MINIMUM MAXIMUM +/- 2 S.D.

SITE BOUNDARY 75 11.7 21.6 15.1 +/- 4.3 INTERMEDIATE 123 10.5 20.1 13.6 +/- 3.6 SPECIAL INTEREST 36 9.9 16.8 13.3 +/- 3.6 CONTROL 8 13.2 17.7 14.9 +/- 3.0 SITE BOUNDARY STATIONS - 1, 112,113,51, 52, 53, 54,55,56,57,58,59, 61, 62, 63, 64, 65, 66, Ti INTERMEDIATE STATIONS- 100, 101,102,103,104,105,106,107,108,109,110,22, 4, 46, 47, 48, 5, 6, 68, 73, 74, 75, 78, 79, 8, 82, 84, 85, 86, 9, 98, 99 SPECIAL INTEREST STATIONS - 11, 3, 71, 72, 81, 88, 89, 90, 92 CONTROL STATIONS - 14, C C-25

FIGURE C-1 MEAN COBALT-60 CONCENTRATION IN CLAMS OYSTER CREEK GENERATING STATION, 1983 - 2010 2 0 - ............................

- INDICATOR STATION

-4i- BACKGROUND STATION 0

4! 15 ............................................................................................................

.b 10 40 CL en- z t-0 -1 r4M l 4 00 00 00 00 00 CN. CN ON - .4 4

YEAR The year designations on the x-axis reflect multiple sampling periods in a given year, as well as historical changes in the number of sampling periods per year.

FIGURE C-2 MEAN COBALT-60 CONCENTRATION IN AQUATIC SEDIMENT OYSTER CREEK GENERATING STATION, 1984 - 2010 3 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .

--- INDICATOR STATION MEAN 300 - .--. . . . . . . . . . . . ..-------------------------------------------------------------------

-&-BACKGROUND STATION MEAN 250 .................................................................................................................

0 200

100 50 - .. . . -. -. -. .. .. .. . . . ..................................................................................

IV.

00 00 00 00 00 00 00 C=C YEAR

• The year designations on the x-axis reflect multiple sampling periods in a given year, as well as historical changes in the number of sampling periods per year.

FIGURE C-3 MEAN CESIUM-137 CONCENTRATION IN AQUATIC SEDIMENT OYSTER CREEK GENERATING STATION, 1984 - 2010

- INDICATOR 600 . ........-------------------------------------------------------

I- -

2400 .................................................................................

t- 00a

.eq 00 00 00 00 00 00 00 a, C C YEAR The year designations on the x-axis reflect multiple sampling periods in a given year, as well as historical changes in the number of sampling periods per year.

FIGURE C-4 MEAN WEEKLY GROSS BETA CONCENTRATIONS IN AIR PARTICULATES OYSTER CREEK GENERATING STATION, 2010 o INDICATOR S BACKGROUND 0.04 -

Z 0.03- I E. 0.02 0.01 iM~I 0

0~0 Or. ON (ZI ON00 0 0 0 -

0 N 00 --

ON 00 N 0 Date

FIGURE C-5 MEAN MONTHLY GROSS BETA CONCENTRATIONS IN AIR PARTICULATES OYSTER CREEK GENERATING STATION, 1984 - 2010 I CHERNOBYL ACCIDENT]

0.18 0.14 ........... ....................................................................... ............. " INDICATOR ATION

. -49 BACKGROUND STATION*

,_ 0.12 - -- . -. -- . - - - - - - - - - - - - - -- - - - - - -- - - - --- ..... . . . . . . . . . . . . . . . . . . . . . . . . . . .

Q 0.12 -------------------------------------------------------------------------------------------------------------------

T 0.08 . .......... *..............................  :........... ".................... *........................................................

I 0.08 ........ ............... ......................................................................................................

~~0.106--------------------------------------------------------------------------------------------------------------------

1(

"= 0.06 ...................................................................................................................

=. 0.060 ....................................................................................................................

0.00 000 GO CO0%

CO 0% 0%0% 00 YR e4 P4 YEAR

• Data from Cookstown station ONLY after December 1996

FIGURE C-6 MEAN QUARTERLY TLD GAMMA DOSE OYSTER CREEK GENERATING STATION, 2010 20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --..................................................................

• 18 ..............................................................................................................................

S 16 -- - - - .. .. . .......................... .......................................................................

16-----------------------------------------------------..........-----------------------------

14

'- 124 ................. ..................

'U S 10 ----- --. ... ... . ..... . ... .

6U. ....... .. .. . .. . .... ~ii~ . .. . .. .

4 ......... ............... ..............

2 . . . . ...............

011 0 TO 2MILES 2 TO 5MILES OVER 5MILES DISTANCE RING FROM PLANT N 1Q1O 0 2Q10 El 3Q10 01 4Q10

FIGURE C-7 MEAN QUARTERLY TLD GAMMA DOSE OYSTER CREEK GENERATING: STATION, 1990 - 2010*

25

.................................................................... ]...................

10 0 INDICATOR BACKGROUND MEAN MEANI S 20 6 f5~ -- --- -- --- -- --- --- -- --- -- -- --- -- -- -- --- --- --- --- -- --- --- -- -- --- --- -- --- -- -

I Ii .i1II MINJ II

-.T:......

I Id .v n 4,11

- U - ri 111111.

jII lIllI 5.

0 I l I1 II III i I i *II I 1 1 1 1 II I l I l I I I iII f*4 en IT t- 00 -21 r4 e 0

e M 0

ý00 0

1- 0 (21 0%

VN  %

ON 0 0% ON 0%, all0 0%* 0%

ON 0%

ON 0%

ON 0% 0 0% 0 0 0 cz 0 0m I -4 14 eei Nq N~ N~ N4 eq N ~ C4 (1

Year

• Harshaw Model 110 TLDs were used during the first quarter of 2001. Panasonic Model 814 TLDs were used in the second, third, and fourth quarters of 2001.

APPENDIX D DATA TABLES AND FIGURES COMPARISON LABORATORY

The following section presents the results of data analysis performed by the QC laboratory, Environmental Inc. Duplicate samples were obtained from several locations and media and split between the primary laboratory, Teledyne Brown Engineering (TBE) and the QC laboratory. Comparisons of the results for all media were within expected ranges.

D-1

TABLE D-1.1 CONCENTRATIONS OF TRITIUM IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION 24 QCA QCB PERIOD 04/13/10 < 157 < 157 < 145 10/11/10 < 152 < 149 < 159 D-2

TABLE D-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-140 La-140 PERIOD 24 04/13/10 <1 <2 <4 <2 <3 <2 <3 <1 <1 <19 <6 10/11/10 <4 <4 <11 <5 <9 <5 <8 <4 <4 <25 <9 QCA 04/13/10 <1 <2 <4 <2 <3 <2 <3 <1 <2 <21 <6 10/11/10 <5 <5 <11 <6 <11 <6 <10 <5 <6 <30 <10 QCB 04/13/10 <3 <3 <2 <2 <6 <3 <3 <2 <3 <17 <2 10/11/10 <1 <1 <5 <2 <3 <2 <2 <1 <1 <13 <3

TABLE D-11.1 CONCENTRATIONS OF TRITIUM IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION 1 1N is OCA QCB 1N QCB 1s PERIOD 01/07/10 - 01/27/10 < 163 < 166 02/04/10 - 02/23/10 < 170 < 164 03/09/10 - 03/30/10 < 179 < 178 04/08/10 - 04/29/10 < 171 < 168 05/06/10 - 05/27/10 < 159 (1) < 160 06/04/10 - 07/01/10 < 172 (1) < 166 (1) < < 108 < 167 07/08/10 - 08/02/10 < 174 (2) < < 151 08/16/10 - 08/23/10 < 169 < 167 < < 155 < 154 09/02/10 - 09/29/10 < 188 <184 < < 160 < 160 10/06/10- 10/28/10 < 185 < 162 < < 164 < 164 11/03/10- 11/23/10 < 153 < 161 < < 149 < 149 12/02/10 - 12/29/10 < 171 < 166 < < 146 < 146 (1) SEE PROGRAM CHANGES SECTION FOR EXPLANATION (2) SEE PROGRAM EXCEPTIONS SECTION FOR EXPLANATION D-4

TABLE D-11.2 CONCENTRATIONS OF GAMMA EMITTERS IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-140 La-140 PERIOD 1 01/05/10 - 01/26/10 <6 <4 <11 <5 < 11 <6 <7 <5 <6 < 28 <6 02/02/10 - 03/02/10 <6 <6 <12 <6 <13 <5 <11 <5 <5

• 38 <11 03/09/10 - 03/30/10 <6 <6 *12 <6 *12 <6 <11 <6 <6 < 35 <11 04/06/10 - 04/27/10 <4 <4 <8 <4 <8 <4 <6 <4 <5

• 29 <8 05/04/10 - 05/24/10 (1) <1 <1 <3 <1 <2 <1 <2 <1 <1 <15 <5 MEAN 1N 06/01/10 - 06/28/10 (1) <2 <2 <5 <2 <4 <2 <4 <2 <2

• 16 <6 07/06/10 - 08/02/10 <2 <2 <4 <2 <3 <2 <3 <1 <2 < 14 <4 08/02/10 - 08/16/10 <1 <1 <3 <1 <2 <2 <3 <1 <1

• 19 <6 08/30/10 - 09/28/10 <4 <4 <8 <4 <8 <3 <7 <3 <4

• 26 <7 10/05/10 - 10/25/10 <2 <2 <4 <2 <3 <2 <3 <1 <2 *19 <6 11/02/10 - 11/23/10 <6 <6 <11 <7 <9 <7 <9 <5 <5

• 32 <8 11/30/10 - 12/29/10 <3 <3 <9 <4 <7 < 4 <7 <3 <3 < 30 <9 MEAN iS 06/01/10 - 06/30/10 (1) <1 <2 <4 <1 <3 <2 <3 <1 <2 <11 07/06/10 - 08/02/10 (2) 08/18/10 - 08/23/10 <2 <2 <5 <2 <4 <2 <4 <2 <2

• 23 <7 08/30/10 - 09128/10 <4 <4 <8 <3 <7 <5 <6 <3 <4

• 28 <9 10/05/10 - 10/25/10 <2 <2 <5 <2 <4 <2 <4 <2 <2

• 23 <7 11/02/10 - 11/23/10 <5 <7 < 12 <6 < 12 <6 < 11 <6 <6 < 35 < 12 11/30/10 - 12/29/10 <4 <5 <8 <4 <8 <4 <6 <4 <5

• 27 <7 MEAN

TABLE D-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN DRINKING WATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 Cs-134 Cs-137 Ba-140 La-140 PERIOD QCA 01/05/10 - 01/26/10 <5 <6 < 10 <6 < 10 <6 < 10 <6 <6 < 36 < 12 02/02/10 - 03/02/10 <4 <5 < 12 <4 < 11 <5 <9 <4 <6 < 31 <8 03/09/10 - 03/30/10 <4 <4 < 10 <4 <8 <5 <7 <3 <4 < 27 <8 04/06/10 - 04/27/10 <3 <3 <7 <3 <6 <4 <6 <3 <3 < 24 <7 05/04/10 - 05/24/10 <1 <1 <3 <1 <3 <1 <2 <1 <1 < 16 <5 MEAN QCB 1N 06/04/10 - 07/01/10 <2 <2 <5 <1 <4 <3 <5 <3 <2 < 16 <6 07/08/10 - 08/02/10 <2 <2 <5 <3 <4 <3 <4 <4 <2 < 25 <5 08/16/10 - 08/23/10 <2 <2 <5 <3 <5 <4 <4 <2 <3 < 19 <2 09/02/10 - 09/29/10 <2 <3 <4 <3 <5 <2 <4 <3 <2 < 108 < 241 10106/10 - 10/28/10 <2 <2 <9 <2 <3 <3 <4 <3 <3 < 15 <3 11/03/10- 11/23/10 <2 <3 <8 <4 <6 <4 <5 <3 <3 < 18 <3 12/02/10 - 12/29/10 <3 <3 <7 <3 <5 <3 <3 <4 <3 < 17 <4 MEAN QCB 1S 06/04/10 - 07/01/10 <2 <2 <3 <2 <2 <3 <4 <1 <2 <19 <4 07/08/10 - 08/02/10 08/16/10 - 08/23/10 <3 <2 <6 <3 <4 <4 <4 <4 <3 < 115 < 506 09/02/10 - 09/29/10 <2 <1 <7 <2 <5 <3 <3 <2 <3 < 10 <3 10/06/10 - 10/28/10 <2 <4 <4 <3 <6 <3 <6 <4 <3 < 22 <3 11/03/10 - 11/23/10 <3 <3 <5 <3 <7 <4 <7 <4 <3 < 23 <3 12/02/10 - 12/29/10 <2 <2 <5 <2 <4 <2 <4 <2 <3 < 10 <2

TABLE D-Ill.1 CONCENTRATIONS OF TRITIUM IN GOUNDWATER SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION W-3C QCB PERIOD 03/02/10 < 171 < 151 04/27/10 < 169 < 151 09/08/10 < 169 < 153 11/04/10 < 158 < 163 D-7

TABLE D-Il1.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED INTHE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA STC COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD W-3C 03/02/10 <5 <5 <9 <5 <9 <5 <9 < 14 <5 <6 < 28 < 11 04/27/10 <3 <4 <9 <5 <9 <5 <8 < 15 <4 <4 < 29 <8 09/08/10 <2 <2 <4 <2 <3 <2 <3 < 10 <2 <2 < 17 <6

< 12 <5 < 11 <6 <9 < 14 <5 <5 < 31 < 11 11/04/10 <4 <5 MEAN QCB 03/02/10 <3 <2 2 2 +/-2 <6 <3 <4 <6 <4 <3 < 16 <3 04/27/10 <2 <3 7 <3 <4 <2 <5 <5 <3 <4 < 20 <2 09/08/10 <3 <3 8 <3 <5 <4 <5 < 12 <4 <3 < 24 <4 11/03/10 <2 <3 6 <2 <5 <3 <5 < 14 <3 <1 < 26 <3 00 MEAN

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES

TABLE D-IV.1 CONCENTRATIONS OF GAMMA EMITTERS IN CLAM SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET +/- 2 SIGMA STC COLLECTION K-40 Mn-54 Co-58 Fe-59 Co-60 Zn-65 Cs-1 34 Cs-137 PERIOD zzzzzz-_]

24 04/13/10 1100 +/- 524 < 35 < 37 < 81 < 40 < 69 < 36 < 31 QCA 04/13/10 1180 +/- 478 < 40 < 46 < 103 < 37 < 101 < 52 < 45 QCB 04/13/10 1140 +/- 258 < 14 < 7 < 12 < 11 < 25 < 10 < 10 MEAN* 1140 +/- 80 - - - - - -

TABLE D-V.1 CONCENTRATIONS OF GAMMA EMITTERS IN SEDIMENT SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG DRY +/- 2 SIGMA STC COLLECTION Be-7 K-40 Mn-54 Co-58 Co-60 Cs-1 34 Cs-137 Ra-226 Th-228 PERIOD I

24 04/13/10

• 340 567 +/- 303 < 26 < 32 < 16 < 24 < 25 < 523 157 +/- 39 10/11/10 < 942 6100 +/- 1110 < 90 < 102 < 102 < 120 < 99 < 1720 321 +/- 120 MEAN* 3334 +/- 7825 239 +/- 232 QCA 04/13/10

• 629 754 +/- 452 < 43 < 43 < 43

• 38

• 51 < 1220 215 +/- 87 10/11/10

• 571 4880 +/- 831 < 47 <61 < 53 <54 < 53 1160 +/- 1140 308 +/- 97 MEAN* 2817 +/- 536 1160 +/- 85 262 +/- 132 QCB 04/13/10 86 +/- 61 677 +/- 211 < 12 <6 <7 <11 <7 499 +/- 239 < 1004 0 10/11/10 457 +/- 198 3823 +/- 411

• 14 < 14 <12 32 +/- 19 <15 772 +/- 370 < 1311 MEAN* 272 +/- 525 2250 +/- 4449 636 +/- 386

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES

TABLE D-VI.1 CONCENTRATIONS OF STRONTIUM AND GAMMA EMITTERS IN VEGETATION SAMPLES COLLECTED IN THE VICINITY OF OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/KG WET 12 SIGMA STC COLLECTION Sr-89 Sr-90 K-40 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD 36 CABBAGE 07/27/10 17 6 +/- 2 3030 +/- 319 < 57 < 23 < 23 < 141 < 36 COLLARDS 07/27/10 20 3 +/- 2 5380 +/- 512 < 59 < 20 < 21 < 133 < 42 KALE 07/27/10 17 6 +/- 2 6320 +/- 352 < 58 < 21 < 20 < 125 < 31 MEAN* 5 +/- 3 4910 +/- 3389 QCA CABBAGE 07/27/10 18 4 +/- 2 2510 +/- 307 < 41 < 14 < 17 < 101 < 24 COLLARDS 07/27/10 20 4 +/- 2 5570 +/- 517 < 57 < 16 < 22 < 403 < 21 KALE 07/27/10 18 6 +/- 3 6370 +/- 560 < 56 < 20 < 19 < 143 < 41 MEAN* 5 +/- 2 4817 +/- 4075 QCB CABBAGE 07/27/10 3 < 2 2506 +/- 318 < 20 <9 <13 <80 <9 COLLARDS 07/27/10 5 4 +/- 2 4789 +/- 431 < 25 < 17 < 15 < 54 < 16 KALE 07/27/10 7 6 +/- 3 5765 +/- 453 < 25 < 15 < 14 < 81 < 20 MEAN* 5 +/- 4 4353 +/- 3345

• THE MEAN AND 2 STANDARD DEVIATION VALUES ARE CALCULATED USING THE POSITIVE VALUES

APPENDIX E INTER-LABORATORY COMPARISON PROGRAM

TABLE E-1 ANALYTICS ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2010 (PAGE 1 OF 3)

Identification Reported Known Ratio (c)

Month/Year Number Matrix Nuclide Units Value (a) Value (b) TBE/Analytics Evaluation (d)

March 2010 E6978-396 Milk Sr-89 pCi/L 89.3 92.8 0.96 A Sr-90 pCi/L 13.8 12.7 1.09 A E6979-396 Milk 1-131 pCi/L 65.2 74.0 0.88 A Ce-141 pCi/L 241 261 0.92 A Cr-51 pCi/L 388 361 1.07 A Cs-1 34 pCi/L 157 178 0.88 A Cs-1 37 pCi/L 150 158 0.95 A Co-58 pCi/L 143 143 1.00 A Mn-54 pCi/L 202 207 0.98 A Fe-59 pCi/L 146 137 1.07 A Zn-65 pCi/L 247 254 0.97 A Co-60 pCi/L 177 183 0.97 A E6981-396 AP Ce-141 pCi 211 185 1.14 A Cr-51 pCi 304 255 1.19 A

.Cs-134 pCi 142 125 1.14 A Cs-137 pCi 131 111 1.18 A Co-58 pCi 119 101 1.18 A Mn-54 pCi 162 146 1.11 A Fe-59 pCi 110 97 1.14 A Zn-65 pCi 217 179 1.21 W Co-60 pCi 145 129 1.12 A E6980-396 Charcoal 1-131 pCi 80.2 85.6 0.94 A June 2010 E7132-396 Milk Sr-89 pCi/L 82.0 93.4 0.88 A Sr-90 pCi/L 15.8 16.7 0.95 A E7133-396 Milk 1-131 pCi/L 83.5 96.9 0.86 A Ce-141 pCi/L 107 110 0.97 A Cr-51 pCi/L 325 339 0.96 A Cs- 134 pCi/L 114 126 0.90 A Cs-137 pCi/L 144 150 0.96 A Co-58 pCi/L 92.3 101 0.91 A Mn-54 pCi/L 165 169 0.98 A Fe-59 pCi/L 121 119 1.02 A Zn-65 pCi/L 197 206 0.96 A Co-60 pCi/L 190 197 0.96 A E7135-396 AP Ce-141 pCi 88.4 91.6 0.97 A Cr-51 pCi 292 282 1.04 A Cs-134 pCi 101 105 0.96 A Cs-137 pCi 132 125 1.06 A Co-58 pCi 87.3 84.0 1.04 A Mn-54 pCi 150 140 1.07 A Fe-59 pCi 105 98.6 1.06 A Zn-65 pCi 168 171 0.98 A Co-60 pCi 170 163 1.04 A E7134-396 Charcoal 1-131 pCi 76.4 79.9 0.96 A E-1

TABLE E-1 ANALYTICS ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2010 (PAGE 2 OF 3)

Identification Reported Known Ratio (c)

Month/Year Number Matrix Nuclide Units Value (a) Value (b) TBE/Analytics Evaluation (d)

September 2010 E7229-396 Milk Sr-89 pCi/L 85.0 92.8 0.92 Sr-90 pCi/L 12.6 14.7 0.86 E7230-396 Milk 1-131 pCi/L 80.2 94.1 0.85 Ce-141 pCi/L 130 130 1.00 Cr-51 pCi/L 235 234 1.00 Cs-134 pCi/L 83.2 93.0 0.89 Cs-137 pCi/L 95.1 94.5 1.01 Co-58 pCi/L 77.3 73.7 1.05 Mn-54 pCi/L 121 119 1.02 Fe-59 pCi/L 96.4 91.1 1.06 Zn-65 pCi/L 216 204 1.06 Co-60 pCi/L 172 171 1.01 E7232-396 AP Ce-141 pCi 122 119 1.03 Cr-51 pCi 228 214 1.07 Cs-1 34 pCi 79.9 85.3 0.94 Cs-137 pCi 93.8 86.7 1.08 Co-58 pCi 71.5 67.6 1.06 Mn-54 pCi 113 110 1.03 Fe-59 pCi 73.8 83.6 0.88 Zn-65 pCi 186 187 0.99 Co-60 pCi 163 157 1.04 E7231-396 Charcoal 1-131 pCi/L 62.3 59.9 1.04 A December 2010 E7375-396 Milk Sr-89 pCi/L 92.7 98.0 0.95 A Sr-90 pCi/L 13.5 13.5 1.00 A E7376-396 Milk 1-131 pCi/L 87.9 96.9 0.91 A Ce-141 pCi/L not provided by Analytics for this study Cr-51 pCi/L 389 456 0.85 A Cs-134 pCi/L 137 157 0.87 A Cs-137 pCi/L 172 186 0.92 A Co-58 pCi/L 84.3 90.2 0.93 A Mn-54 pCi/L 120 120 1.00 A Fe-59 pCi/L 134 131 1.02 A Zn-65 pCi/L 162 174 0.93 A Co-60 pCi/L 284 301 0.94 A E7378-396 AP Ce-141 pCi not provided by Analytics;for this study Cr-51 pCi 387 365 1.06 A Cs-134 pCi 135 126 1.07 A Cs-137 pCi 157 149 1.05 A Co-58 pCi 73.6 72.3 1.02 A Mn-54 pCi 88.7 96 0.92 A Fe-59 pCi 127 105 1.21 W Zn-65 pCi 151 139 1.09 A Co-60 pCi 249 241 1.03 A E-2

TABLE E-1 ANALYTICS ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2010 (PAGE 3 OF 3)

Identification Reported Known Ratio (c)

Month/Year Number Matrix Nuclide Units Value (a) Value (b) TBE/Analytics Evaluation (d)

December 2010 E7377-396 Charcoal 1-131 pCi 79.6 84.2 0.95 A (a) Teledyne Brown Engineering reported result (b) The Analytics known value is equal to 100% of the parameterpresent in the standardas determined by gravimetric and/or volumetric measurements made during standardpreparation.

(c) Ratio of Teledyne Brown Engineering to Analytics results.

(d) Analytics evaluation basedon 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.

E-3

TABLE E-2 ERA ENVIRONMENTAL RADIOACTIVITY CROSS CHECK PROGRAM TELEDYNE BROWN ENGINEERING, 2010 (PAGE 1 OF 1)

Identification Reported Known Month/Year Number Media Nuclide Units Value (a) Value (b) Control Limits Evaluation (c)

May 2010 RAD-81 Water Sr-89 pCi/L 64.4 60.4 48.6 - 68.2 A Sr-90 pCi/L 37.8 41.3 30.4-47.4 A Ba-133 pCi/L 66.4 65.9 54.9 - 72.5 A Cs-134 pCi/L 66.43 71.6 58.4 - 78.8 A Cs-137 pCi/L 137.33 146 131 - 163 A Co-60 pCi/L 83.33 84.5 76.0 - 95.3 A Zn-65 pCi/L 177 186 167-219 A Gr-A pCi/L 26.37 32.9 16.9-42.6 A Gr-B pCi/L 28.77 37.5 24.7 -45.0 A 1-131 pCi/L 26.27 26.4 21.9- 31.1 A H-3 pCi/L 12967 12400 10800 - 13600 A November 2010 RAD-83 Water Sr-89 pCi/L 77.8 68.5 55.8 - 76.7 N (1)

Sr-90 pCi/L 39.3 43.0 31.7 - 49.3 A Ba-133 pCi/L 70.3 68.9 57.5 - 75.8 A Cs-134 pCi/L 39.9 43.2 34.5-47.5 A Cs-137 pCi/L 117 123 111 - 138 A Co-60 pCi/L 53.5 53.4 48.1 -61.3 A Zn-65 pCi/L 11.0 102 91.8-122 N (2)

Gr-A pCi/L 35.1 42.3 21.9- 53.7 A Gr-B pCi/L 35.5 36.6 24.0-44.2 A 1-131 pCi/L 27.9 27.5 22.9- 32.3 A H-3 pCi/L 13233 12900 11200 - 14200 A (1) Sr-89 TBE to known ratio of 1.14 fell within acceptable rangeof +/- 20%. No action required.NCR 10-09 (2) Zn-65 result of Il1 was incorrectlyreported as 11.0. No action required. NCR 10-09 (a) Teledyne Brown Engineering reportedresult.

(b) The ERA known value is equal to 100% of the parameterpresent in the standardas determinedby gravimetric and/or volumetric measurements made during standardpreparation.

(c) ERA evaluation: A=acceptable. Reported result falls within the Warning Limits. NA=not acceptable. Reported result falls outside of the Control Limits. CE=checkfor Error. Reported result falls within the Control Limits and outside of the Waming Limit.

E-4

TABLE E-3 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)

TELEDYNE BROWN ENGINEERING, 2010 (PAGE 1 OF 2)

Identification Reported Known Acceptance Month/Year Number Media Nuclide Units Value (a) Value (b) Range Evaluation (c)

March 2010 10-MaW22 Water Cs-1 34 Bq/L -0.0942 (1) A Cs-137 Bq/L 58.5 60.6 42.4 - 78.8 A Co-57 Bq/L 27.2 28.3 19.8-36.8 A Co-60 Bq/L 0.0226 (1) A H-3 Bq/L 104 90.8 63.6- 118.0 A Mn-54 Bq/L 26.6 26.9 18.8 - 35.0 A Sr-90 Bq/L 0.1029 (1) A Zn-65 Bq/L 42.0 40.7 28.5 - 52.9 A 10-GrW22 Water Gr-A Bq/L 0.5173 0.676 0.00- 1.352 A Gr-B Bq/L 3.98 3.09 1.55 -4.64 A 10-MaS22 Soil Cs- 134 Bq/kg 665 733 513-953 A Cs-137 Bq/kg 800 779 545- 1013 A Co-57 Bq/kg 508 522 365 - 679 A Co-60 Bq/kg 648 622 435 - 809 A Mn-54 Bq/kg 893 849 594-1104 A K-40 Bq/kg 597 559 391 -727 A Sr-90 Bq/kg 221 288 202 - 374 W Zn-65 Bq/kg -4.97 (1) A 10-RdF22 AP Cs-134 Bq/sample 1.81 2.13 1.49-2.77 A Cs-137 Bq/sample 1.70 1.53 1.07- 1.99 A Co-57 Bq/sample 0.0056 (1) A Co-60 Bq/sample 2.65 2.473 1.731 - 3.215 A Mn-54 Bq/sample 3.70 3.02 2.11 -3.93 W Sr-90 Bq/sample 0.0523 (1) A Zn-65 Bq/sample -0.0627 (1) A 10-GrF22 AP Gr-A Bq/sample 0.1533 0.0427 0.00-0.854 A Gr-B Bq/sample 1.240 1.29 0.65- 1.94 A 10-RdV22 Vegetation Cs-134 Bq/sample 4.48 4.39 3.07 - 5.71 A Cs-137 Bq/sample 3.43 3.06 2.14-3.98 A Co-57 Bq/sample -0.0117 (1) A Co-60 Bq/sample 3.55 3.27 2.29 - 4.25 A Mn-54 Bq/sample 0.007 (1) A Sr-90 Bq/sample -0.0002 (1) A Zn-65 Bq/sample 8.12 7.10 4.97 - 9.23 A September 2010 10-MaW23 Water Cs-134 Bq/L 27.1 31.4 22.0 - 40.8 A Cs-137 Bq/L 41.8 44.2 30.9 - 57.5 A Co-57 Bq/L 33.2 36.0 25.2 - 46.8 A Co-60 Bq/L 26.5 28.3 19.8 - 36.8 A H-3 Bq/L 500. 453.4 317.4 - 589.4 A Mn-54 Bq/L 0.024 (1) A Sr-90 Bq/L 8.10 8.3 5.8- 10.8 A Zn-65 Bq/L 30.8 31.0 21.7 -40.3 A 10-GrW23 Water Gr-A Bq/L 2.36 1.92 0.58 - 3.26 A Gr-B Bq/L 6.37 4.39 2.20 - 6.59 A E-5

TABLE E-3 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)

TELEDYNE BROWN ENGINEERING, 2010 (PAGE 2 OF 2)

Identification Reported Known Acceptance Month/Year Number Media Nuclide Units Value (a) Value (b) Range Evaluation (c)

September 2010 10-MaS23 Soil Cs-1 34 Bq/kg 837 940 658- 1222 A Cs-1 37 Bq/kg 680 670 469-871 A Co-57 Bq/kg 2.78 (1) A Co-60 Bq/kg 350 343 240-446 A Mn-54 Bq/kg 853 820 574-1066 A K-40 Bq/kg 721 699 489 - 909 A Sr-90 Bq/kg 2.24 (1) A Zn-65 Bq/kg 287 265 186-345 A 10-RdF23 AP Cs-134 Bq/sample 2.31 2.98 2.09 - 3.87 W Cs-137 Bq/sample -0.025 (1) A Co-57 Bq/sample 3.64 4.08 2.86 - 5.380 A Co-60 Bq/sample 2.81 2.92 2.04 - 3.80 A Mn-54 Bq/sample 3.19 3.18 2.23- 4.13 A Sr-90 Bq/sample 1.01 1.01 0.71 - 1.31 A Zn-65 Bq/sample 0.0310 (1) A (1) 10-GrF23 AP Gr-A Bq/sample 0.004 A Gr-B Bq/sample 0.473 0.50 0.25 - 0.75 A 10-RdV23 Vegetation Cs-134 Bq/sample 4.90 4.79 3.35 - 6.23 A Cs- 137 Bq/sample 6.78 5.88 4.12 - 7.64 A Co-57 Bq/sample 10.2 8.27 5.79- 10.75 W Co-60 Bq/sample 0.00 (1) A Mn-54 Bq/sample 7.36 6.287 4.401 - 8.173 A Sr-90 Bq/sample 2.53 2.63 1.84 - 3.42 A Zn-65 Bq/sample 6.40 5.3900 3.77 - 7.01 A (1) False positive test.

(a) Teledyne Brown Engineering reported result.

(b) The MAPEP known value is equal to 100% of the parameterpresent in the standardas determinedby gravimetric and/or volumetric measurements made during standardpreparation.

(c) DOEIMAPEPevaluation:A=acceptable, W-acceptable with warning, N=not acceptable.

E-6

TABLE E-4 ERA (a) STATISTICAL

SUMMARY

PROFICIENCY TESTING PROGRAMa ENVIRONMENTAL, INC., 2010 (Page 1 of 1)

Concentration (pCi/L)

Lab Code Date Analysis Laboratory ERA Control Resultb Resultc Limits Acceptance STW-1205 04/05/10 Sr-89 63.0 +/- 5.7 60.4 48.6 -68.2 Pass STW-1205 04/05/10 Sr-90 37.4 +/- 2.4 41.3 30.4 -47.4 Pass STW-1206 04/05/10 Ba-133 63.6 +/- 3.3 65.9 54.9 -72.5 Pass STW-1206 04/05/10 Co-60 83.3 +/- 2.9 84.5 76.0 -95.3 Pass STW-1206 04/05/10 Cs-134 71.0 +/- 3.4 71.6 58.4 -78.8 Pass STW-1206 04/05/10 Cs-137 145.5 +/- 5.1 146.0 131.0 - 163.0 Pass STW-1206 04/05/10 Zn-65 194.9 +/- 7.8 186.0 167.0 - 219.0 Pass STW-1207 04/05/10 Gr. Alpha 26.5 +/- 1.7 32.9 16.9 -42.6 Pass STW-1207 04/05/10 Gr. Beta 34.5 +/- 1.6 37.5 24.7 -45.0 Pass STW-1208 04/05/10 1-131 22.7 +/- 0.8 26.4 21.9 -31.1 Pass STW-1210 04/05/10 H-3 12955 +/-332 12400.0 10800 -13600 Pass STW-1224 10/04/10 Sr-89 65.3 +/- 5.7 68.5 55.8 -76.7 Pass STW-1224 10/04/10 Sr-90 39.9 +/- 2.3 43.0 31.7 -49.3 Pass STW-1225 10/04/10 Ba-133 67.2 +/-4.3 68.9 57.5-75.8 Pass STW-1225 10/04/10 Co-60 53.2 +/- 3.3 53.4 48.1 -61.3 Pass STW-1225 10/04/10 Cs-134 47.3 +/- 5.1 43.2 34.5 -47.5 Pass STW-1225 10/04/10 Cs-137 118.0 +/- 5.9 123.0 111.0 -138.0 Pass STW-1225 10/04/10 Zn-65 107.0 +/- 8.7 102.0 91.8 - 122.0 Pass STW-1226 10/04/10 Gr. Alpha 30.7 +/- 2.9 42.3 21.9 -53.7 Pass STW-1226 10/04/10 Gr. Beta 32.7 +/- 0.8 36.6 24.0 -44.2 Pass STW-1227 10/04/10 1-131 28.6:+/-11.1 27.5 22.9 -32.3 Pass STW-1229 10/04/10 H-3 13682 +/-352 12900.0 11200 - 14200 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.

E-7

TABLE E-5 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)a ENVIRONMENTAL, INC., 2010 (Page 1 of 3) b Concentration Known Control Lab Code c Date Analysis Laboratory result Activity Limits d Acceptance STVE-1 199 03/01/10 Co-57 0.01 +/- 0.03 0.00 Pass STVE-1 199 03/01/10 Co-60 3.39 +/- 0.12 3.27 2.29 - 4.25 Pass STVE-1 199 03/01/10 Cs-134 4.74 +/- 0.15 4.39 3.07 - 5.71 Pass STVE-1 199 03/01/10 Cs-137 3.32 +/- 0.17 3.06 2.14 -3.98 Pass STVE-1 199 03/01/10 Mn-54 0.01 +/- 0.05 0.00 Pass STVE-1 199 03/01/10 Zn-65 8.03 +/- 0.33 7.10 4.97 - 9.23 Pass STW-1200 03/01/10 Gr. Alpha 0.40 +/- 0.05 0.68 0.00-1.35 Pass STW-1200 03/01/10 Gr. Beta 3.03 +/- 0.07 3.09 1.55 -4.64 Pass STW-1201 03/01/10 Co-57 28.90 +/- 0.40 28.30 19.80 - 36.80 Pass STW-1201 03/01/10 Co-60 0.06 +/- 0.05 0.00 Pass STW-1201 03/01/10 Cs- 134 -0.03 +/- 0.09 0.00 Pass STW-1201 03/01/10 Cs-137 60.60 +/- 0.60 60.60 42.40 - 78.80 Pass STW-1201 03/01/10 H-3 93.20 +/- 18.30 90.80 63.60 -118.00 Pass STW-1201 03/01/10 Mn-54 27.80 +/- 0.40 26.90 18.80 - 35.00 Pass STW-1201 03/01/10 Sr-90 -0.10 +/- 0.60 0.00 Pass STW-1201 03/01/10 Zn-65 42.70 +/- 0.80 40.70 28.50 .52.90 Pass STSO-1202 03/01/10 Co-57 520.00 +/- 10.80 522.00 365.00 - 679.00 Pass STSO-1202 03/01/10 Co-60 599.10 +/- 2.80 622.00 435.00 - 809.00 Pass STSO-1202 03/01/10 Cs-1 34 666.10 +/- 4.70 733.00 513.00 -953.00 Pass STSO-1202 03/01/10 Cs- 137 774.40 +/- 4.50 779.00 545.00 - 1013.00 Pass STSO-1202 03/01/10 K-40 562.00 +/- 15.30 559.00 391.00 - 727.00 Pass STSO-1202 03/01/10 Mn-54 866.20 +/- 4.60 849.00 594.00 -1104.00 Pass STSO-1202 03/01/10 Sr-90 225.50 +/- 11.80 288.00 202.00 -374.00 Pass STSO-1202 03/01/10 Zn-65 -1.23 +/- 1.96 0.00 Pass STAP-1203 03/01/10 Co-57 0.01 +/- 0.02 0.00 Pass STAP-1203 03/01/10 Co-60 2.63 +/- 0.19 2.47 1.73 - 3.22 Pass STAP-1203 03/01/10 Cs- 134 2.21 +/- 0.34 2.13 1.49 - 2.77 Pass STAP-1203 03/01/10 Cs-137 1.66 +/- 0.22 1.53 1.07-1.99 Pass STAP-1203 03/01/10 Mn-54 3.42 +/- 0.26 3.02 2.11 -3.93 Pass STAP-1203 03/01/10 Sr-90 0.02 +/- 0.06 0.00 Pass STAP-1203 03/01/10 Zn-65 -0.05 +/- 0.11 0.00 Pass STAP-1204 03/01/10 Gr. Alpha 0.13 +/- 0.03 0.43 0.00 - 0.85 Pass STAP-1204 03/01/10 Gr. Beta 1.46 +/- 0.07 1.29 0.65-1.94 Pass E-8

TABLE E-5 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)a ENVIRONMENTAL, INC., 2010 (Page 2 of 3) b Concentration Known Control Lab Code c Date Analysis Laboratory result Activity Limits d Acceptance STW-1211 08/01/10 Co-57 36.40 +/- 4.80 36.00 25.20 -46.80 Pass STW-1211 08/01/10 Co-60 28.30 +/- 1.00 28.30 19.80 - 36.80 Pass STW-1211 08/01/10 Cs- 134 29.30 +/- 2.10 31.40 22.00 - 40.80 Pass STW-1211 08/01/10 Cs-1 37 44.60 +/- 1.80 44.20 30.90 - 57.50 Pass STW-1211 08/01/10 H-3 503.60 +/- 12.80 453.40 317.40 -589.40 Pass STW-1211 08/01/10 K-40 38.50 +/- 2.50 38.90 27.20 -50.60 Pass STW-1211 08/01/10 Mn-54 0.10 +/- 0.30 0.00 Pass STW-1211 08/01/10 Sr-90 9.20 +/- 1.30 8.30 5.80 -10.80 Pass STW-1211 08/01/10 Zn-65 32.80 +/- 3.00 31.00 21.70 -40.30 Pass STW-1212 08/01/10 Gr. Alpha 1.54 +/- 0.09 1.92 0.58 -3.26 Pass STW-1212 08/01/10 Gr. Beta 4.13 +/- 0.15 4.39 2.20 -6.59 Pass STVE-1213 08/01/10 Co-57 9.60 +/- 0.54 8.27 5.79 -10.75 Pass STVE-1213 08/01/10 Co-60 0.05 +/- 0.08 0.00 Pass STVE-1213 08/01/10 Cs-1 34 4.83 +/- 0.26 4.79 3.35 - 6.23 Pass STVE-1213 08/01/10 Cs-1 37 6.45 +/- 0.66 5.88 4.12 - 7.64 Pass STVE-1213 08/01/10 Mn-54 7.12 +/- 0.66 6.29 4.40 -8.17 Pass STVE-1213 08/01/10 Zn-65 6.05 +/- 0.74 5.39 3.77 -7.01 Pass STSO-1214 08/01/10 Co-57 0.10 +/- 1.60 0.00 Pass STSO-1214 08/01/10 Co-60 370.00 +/- 6.00 343.00 240.00 - 446.00 Pass STSO-1214 08/01/10 Cs-134 1005.00 +/- 21.00 940.00 658.00 - 1222.00 Pass STSO-1214 08/01/10 Cs-137 755.00 +/- 15.00 670.00 469.00 -871.00 Pass STSO-1214 08/01/10 K-40 783.00 +/- 54.00 699.00 489.00 - 909.00 Pass STSO-1214 08/01/10 Mn-54 942.00 +/- 15.00 820.00 574.00 -1066.00 Pass STSO-1214 08/01/10 Sr-90 3.50 +/- 8.00 0.00 Pass STSO-1214 08/01/10 Zn-65 310.00 +/- 18.00 265.00 186.00 -345.00 Pass STAP-1215 08/01/10 Co-57 4.47 +/- 0.21 4.08 2.86 - 5.30 Pass STAP-1215 08/01/10 Co-60 3.15 +/- 0.30 2.92 2.04 - 3.80 Pass STAP-1215 08/01/10 Cs-134 3.03 +/- 0.17 2.98 2.09 - 3.87 Pass STAP-1215 08/01/10 Cs- 137 0.01 +/- 0.05 0.00 Pass STAP-1215 08/01/10 Mn-54 3.69 +/- 0.39 3.18 2.23 -4.13 Pass STAP-1215 08/01/10 Sr-90 1.00 +/- 0.12 1.01 0.71 -1.31 Pass STAP-1215 08/01/10 Zn-65 0.03 +/- 0.15 0.00 Pass E-9

TABLE E-5 DOE'S MIXED ANALYTE PERFORMANCE EVALUATION PROGRAM (MAPEP)a ENVIRONMENTAL, INC., 2010 (Page 3 of 3) b Concentration Known Control Lab Code c Date Analysis Laboratory result Activity Limits d Acceptance STAP-1216 08/01/10 Gr. Alpha 0.01 +/- 0.01 0.00 - Pass STAP-1216 08/01/10 Gr. Beta 0.54 +/- 0.05 0.50 0.25 - 0.75 Pass a Results obtainedby Environmental, Inc., Midwest Laboratoryas a participantin the Departmentof Energy's Mixed Analyte Performance Evaluation Program, Idaho Operationsoffice, Idaho Falls, Idaho b Results are reported in units of Bq/kg (soil), Bq/L (water)or Bq/total sample (filters, vegetation).

c Laboratorycodes as follows: STW (water), STAP (airfilter), STSO (soil), STVE (vegetation).

d MAPEP results are presented as the known values and expected laboratoryprecision (1 sigma, I determination)and control limits as defined by the MAPEP.

e Included in the testing series as a "falsepositive".

E-10

OCGS REMP Sample Schedule / Effort Table Year 2010 Note: Yellow fields are the only ones that can be changed.

Worksheet Password is REMP.

Sampling Sample Tentative Scheduled Actual Shipping Sampled in Collection Period Sample Type Frequency Schedule Collection Date Late Date Date Date Compliance 26-Oct Growing Season Vegetation Monthly 23-Jun, (Wed) 13-Jul. (Tue) 20-Jul. (Tue) 29-Jun 29-Jun

• QYESr I Growing Season Vegetation Monthly 21-Jul, (Wed) 6-Mar, (Sun) 13-Mar, (Sun) 27-Jul 28-Jul YUS Growing Season Vegetation Monthly 18-Aug, (Wed) 27-Aug, (Fri) 3-Sep, (Fri)

• Growing Season Vegetation Monthly 15-Sep, (Wed). * *

• Growing Season Vegetation Monthly 13-Oct, (Wed) * * " *

• • Monthly vegetation is when available as per ODCM regs.

APPENDIX F ANNUAL RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM REPORT (ARGPPR)

Docket No: 50-219 OYSTER CREEK GENERATING STATION UNIT I Annual Radiological Groundwater Protection Program Report 1 January Through 31 December 2010 Prepared By Teledyne Brown Engineering Environmental Services Exeln.

Nuclear Oyster Creek Generating Station Forked River, NJ 08731 April 2011

Table of Contents I. Sum m ary and Conclusions .......................................................................................... 1 I1. Introduction ............................................................................................................. 3 A. O bjectives of the RG PP .................................................................................. 4 B. Im plem entation of the O bjectives .................................................................. 6 C. Program Description ....................................................................................... 6 D. Characteristics of Tritium (H-3) ...................................................................... 7 II1. Program Description ................................................................................................ 7 A. Sam ple Analysis .............................................................................................. 7 B. Data Interpretation .......................................................................................... 8 C. Background Analysis ..................................................................................... 9 IV. Results and Discussion ......................................................................................... 11 A. Program Exceptions ..................................................................................... 11 B. G roundwater Results ..................................................................................... 12 C. Surface W ater Results .................................................................................. 14 E. Summary of Results - Inter-laboratory Comparison Program ...................... 15 E. Leaks, Spills, and Releases ......................................................................... 15 F. Trends .......................................................................................................... 15 G . Investigations ................................................................................................ 15 H. Actions Taken .............................................................................................. 16 V. References ................................................................................................................... 17

Appendices Appendix A Location Designation Tables Table A-1 Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Figures Figure A-1 Sampling locations - Selected Cohansey and Cape May Formation Wells, Oyster Creek Generating Station, 2010 Security-Related Information: Detailed maps of the Oyster Creek Generating Station have been withheld from public disclosure under 10 CFR 2.390 and N.J.S.A. 47:1A-1.1 Appendix B Data Tables Tables Table B-I.1 Concentrations of Tritium, Strontium-90, Gross Alpha and Gross Beta in Groundwater Samples Collected as Part of the Radiological Groundwater Protection Program, Oyster Creek Generating Station, 2010.

Table B-1.2 Concentrations of Gamma Emitters in Groundwater Samples Collected as Part of the Radiological Groundwater Protection Program, Oyster Creek Generating Station, 2010.

Table B-1.3 Concentrations of "Hard-To-Detects" in Groundwater Samples Collected as Part of the Radiological Groundwater Protection Program, Oyster Creek Generating Station, 2010.

Table B-11.1 Concentrations of Tritium, Strontium-90, Gross Alpha and Gross Beta in Surface Water Samples Collected as Part of the Radiological Groundwater Protection Program, Oyster Creek Generating Station, 2010.

Table B-11.2 Concentrations of Gamma Emitters in Surface Water Samples Collected as Part of the Radiological Groundwater Protection Program, Oyster Creek Generating Station, 2010.

Table B-11.3 Concentrations of "Hard-To-Detects" in Surface Water Samples Collected as Part of the Radiological Groundwater Protection Program, Oyster Creek Generating Station, 2010.

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Summary and Conclusions This report on the Radiological Groundwater Protection Program (RGPP) conducted for the Oyster Creek Generating Station (OCGS) by Exelon Generation Company LLC (Exelon) covers the period 01 January 2010 through 31 December 2010.

This report covers groundwater and surface water samples collected from the environment, both on and off station property in 2010. Three thousand two hundred and twenty analyses were performed on one thousand eight hundred and nine samples from 62 locations.

There were three inadvertent releases of contaminated water into the groundwater during 2009 that resulted in two plumes of tritiated groundwater.

The largest plume is located west of the turbine building and is monitored via a series of monitoring wells. The small plume east of the reactor building is in a location where site commodities don't allow a well to be placed directly into the plume. New wells were installed near the vault to evaluate and monitor the plume.

Gamma-emitting radionuclides were only identified in one sample. A sample obtained from vault 1, located at the southeast corner of the reactor building inside the radiologically controlled area, identified Cs-1 37 and Co-60. This sample was scooped from a puddle in the bottom of the vault and a lot of sediment was obtained with the water sample. Gamma-emitting radionuclides were not detected in any of the groundwater well samples or surface water samples.

In the case of tritium, Exelon specified that its laboratories achieve a lower limit of detection 100 times lower than the drinking water limit specified by the United States Environmental Protection Agency (USEPA) (200 pCi/I versus 20,000 pCi/I).

As expected, tritium was detected in groundwater samples. 2010 Tritium concentrations varied from <200 to 1,280,000 pCi/I. The well with the highest concentration was MW-561. The flow of groundwater is in the direction of the intake and discharge canals.

No detectable tritium (greater than the MDC) was found in surface water samples collected from onsite and offsite monitoring locations during 2010.

Strontium-89/90 was not detected in any groundwater or surface water sample during 2010.

Gross Alpha and Gross Beta analyses in the dissolved and suspended fractions were performed on groundwater and surface water samples during the second sampling in 2010. Since this is the first year these analyses were performed as part of the RGPP for Oyster Creek, these results will be utilized to establish baseline levels.

There were four samples taken from three surface water locations. Gross Alpha (dissolved and suspended) and Gross Beta (suspended) was not detected in any of the samples. Gross Beta (dissolved) was detected in all four samples and ranged from 419 to 507 pCi/L.

There were 49 samples taken from 44 groundwater well locations. Gross Alpha (dissolved) was detected in 9 samples and ranged from 3.2 to 10.1 pCi/L. Gross Alpha (suspended) was detected in 20 samples and ranged from 1.1 to 146 pCi/L. Gross Beta (dissolved) was detected in 44 samples and ranged from 2.1 to 33 pCi/L. Gross Beta (suspended) was detected in 18 samples and ranged from 1.9 to 26.6 pCi/L with one sample at 302 pCi/L.

There was one sample taken from the W-73 batch tank. Gross Alpha (dissolved) and Gross Beta (dissolved) was not detected. Gross Alpha (suspended) was detected at 32.7 pCi/L and Gross Beta (suspended) was detected at 91.5 pCi/L.

"Hard-To-Detect" analyses were performed on a select group of groundwater and surface water locations to establish baseline levels. The analyses for groundwater included Fe-55, Ni-63, Am-241, Cm-242, Cm-243/244, Pu-238, Pu-239/240, U-234, U-235, and U-238. The analyses for surface water included Fe-55, Ni-63, Am-241, Cm-242, Cm-243/244, Pu-238, Pu-239/240, U-234, U-235 and U-238. The isotopes of U-234 and U-238 were detected in four of six groundwater monitoring locations. The U-234 concentrations ranged from 0.2 to 0.8 pCi/L and the U-238 concentrations ranged from 0.3 to 0.6 pCi/L. The levels detected are considered background.

II. Introduction The Oyster Creek Nuclear Generating Station consists of a single boiling water reactor (BWR) and turbine generator capable of producing 650 megawatts of electricity. The Station operates under Nuclear Regulatory Commission (NRC) renewed facility operating license number DPR-16. Brackish water from Barnegat Bay is supplied to the circulating water system. The circulating water system is designed to supply a continuous flow of water from Barnegat Bay through the plant to remove the waste heat released by the power cycle in the Main Condenser. The circulating water system comprised of the intake canal from Barnegat Bay to the plant, the Main Condenser Circulating Water System, the dilution plant, and the discharge canal to Barnegat Bay. The dilution plant portion of the system minimizes the adverse effects of hot discharge water on aquatic life in the discharge canal and Barnegat Bay to meet the conditions of the Oyster Creek New Jersey Pollutant Discharge Elimination system (NJPDES)

Permit No. NJ0005550. Approximately 1 million gallons per minute of water are withdrawn from the intake canal for dilution and station use and returned to the discharge canal.

The Station is located in the Atlantic Coastal Plain physiographic province.

Topography in the region of the Station is a slightly undulating coastal plain having low relief. The land surface gradually rises from sea level at Barnegat Bay, which is located east of the Station, to approximately 50 feet above mean sea level (AMSL) 2 miles inland. This region of the coastal plain has numerous tidal marshes and is incised by easterly flowing streams and creeks. Elevations at the Station property west of Route 9 range from approximately 0 to 15 feet AMSL immediately adjacent to the intake and discharge canals to slightly more than 30 feet AMSL in the northwest portion of the Station property. The 132-acre developed portion of the Site located within the "horseshoe" formed by the intake and discharge canals west of Route 9 has an approximate average elevation of 20 feet AMSL. In the immediate vicinity of the intake and discharge canals, the Station property slopes steeply down to the canal. The average elevation of the surface water level in the intake and discharge canals is approximately 1-foot AMSL. The remaining 637-acre portion of the Station located east of Route 9 is primarily vegetated and undeveloped. The ground surface is relatively level except for the steep slopes at areas adjacent to the intake and discharge canals.

The three shallowest stratigraphic units in the vicinity of the Oyster Creek area in descending order are the Cape May Formation, the Cohansey Formation, and the Kirkwood Formation. Some of the Station structures are constructed to depths of approximately 50 feet below ground surface (bgs). Excavations were completed from grade, through the fill, Cape May Formation, Upper Clay, and into the Cohansey Formation during construction. Consequently, the bottoms of some Station structures are completed within the Cohansey Formation and some structures breach the Upper Clay.

The Cape May Formation regionally has an average thickness of 40 feet and at OCGS, the Cape May is described as a light gray to tan, medium- to fine-grained sand, with trace to some silt and occasional coarse sand. It is generally poorly compacted. The Cape May Formation varies from 0 to 21 feet in thickness based on historical boring logs. The variation principally is due to the varying amount of material excavated and replaced by fill during Station construction.

When present, the thickness of the Cape May generally ranges from 15 to 20 feet thick. The base of the Cape May generally is defined by the presence of a dark clay unit referred to as the Upper Clay unit. The Upper Clay is a stiff to hard, gray, plastic organic clay containing inclusions (also described as lenses or partings) of dense fine sand with trace to some organic silt. The deposits of fine sand within the Upper Clay layer have high relative densities and occur as lenses or inclusions.

The Cohansey Formation is primarily composed of a light-colored, fine- to very coarse-grained quartzose sand with lenses of silt and clay. Although most borings at the Station do not penetrate the entire Cohansey Formation, this formation appears to be approximately 60 to 80 feet thick at OCGS. A clay sequence, referred to at the Station as the "Lower Clay", marks the base of the Cohansey, which generally is present to approximately 90 to 100 feet bgs. The lower clay is a dense gray medium- to fine-grained sand containing trace to some organic silt and layers or inclusions of very stiff to hard gray organic clay.

The thickness of the lower clay is estimated to. be approximately 10 to 20 feet in the vicinity of OCGS.

The Cohansey Formation is underlain by the Kirkwood Formation which consists of several stratigraphic units. The Kirkwood Formation is described as a medium- to fine-grained sand with trace silt. The thickness of this formation beneath the Station is unknown. The south domestic supply well terminates in the Kirkwood at a depth of 310 feet bgs. The Kirkwood thickness in Ocean County ranges from approximately 300 to 400 feet.

This report covers those analyses performed by Teledyne Brown Engineering (TBE) and Environmental Inc. (Midwest Labs) on samples collected in 2010.

A. Objectives of the RGPP The long-term objectives of the RGPP are as follows:

Ensure that the site characterization of geology and hydrology provides an understanding of predominant ground water gradients based upon current site conditions.

Identify site risk based on plant design and work practices Evaluate all SSCs that contain or could contain licensed material and for which there is a credible mechanism for the licensed material to reach groundwater.

Evaluate work practices that involve licensed material and for which there is a credible mechanism for the licensed material to reach groundwater.

Perform on-site monitoring to ensure timely detection of inadvertent radiological releases to ground water.

" Understand background concentrations of radioactive analytes outside of the REMP, as required.

" Evaluate return/re-use of previously discharged radioactive effluents in gaseous or liquid effluents that are returned from the environment to the operating nuclear power facility.

" Ensure controls are established for the selection, installation and retirement of monitoring wells.

" Perform remediation protocols to prevent migration of licensed material off-site and to minimize decommissioning impacts.

" Ensure that records of leaks, spills, remediation efforts are retained and retrievable to meet the requirements of 10 CFR 50.75(g).

" Ensure periodic communications are held on the RGPP with the designated State/Local officials.

" Ensure timely verbal and written reporting occurs if there is an inadvertent release of licensed materials to the soil, groundwater or surface water.

" Document and report all applicable RGPP data.

" Identify and resolve deficiencies via the Corrective Action Process as delineated in LS-AA-1 20 "Issue Identification and Screening Process".

" Perform program oversight to ensure effective implementation of the voluntary RGPP.

B. Implementation of the Objectives The objectives identified have been implemented at the Oyster Creek Generating Station through compliance with approved procedures EN-AA-408-4000, Radiological Groundwater Protection Program Implementation and site specific procedure EN-OC-408-4160, RGPP Reference Material for Oyster Creek Generating Station.

C. Program Description Samples for the OCGS site were collected for Exelon by on-site personnel and Normandeau Associates, Inc. This section describes the general collection methods used to obtain environmental samples for the OCGS RGPP in 2010. Sample locations can be found in Table A-I, Appendix A.

1. Sample Collection Samples of water are collected, managed, transported and analyzed in accordance with approved procedures. Both groundwater and surface water are collected. Sample locations, sample collection frequencies and analytical frequencies are controlled in accordance with approved station procedures.

Contractor and/or station personnel are trained in the collection, preservation management, and shipment of samples, as well as in documentation of sampling events.

2. Sample Analysis Samples are analyzed in accordance with approved procedures that are based on industry standards.

3. Quality Control Analytical laboratories are subject to internal quality assurance programs, industry cross-check programs, nuclear industry audits, as well as being certified by the State of New Jersey.

4. Data Interpretation Station personnel review and evaluate all analytical data deliverables as data is received. Analytical data results are reviewed by both station personnel and independent consultants, including a hydrogeologist, for adverse trends or changes to hydrogeologic conditions.

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D. Characteristics of Tritium (H-3)

Tritium (chemical symbol H-3) is a radioactive isotope of hydrogen. The most common form of tritium is tritium oxide, which is also called "tritiated water." The chemical properties of tritium are essentially those of ordinary hydrogen.

Tritiated water behaves the same as ordinary water in both the environment and the body. Tritium can be taken into the body by drinking water, breathing air, eating food, or absorption through the skin. Once tritium enters the body, it disperses quickly and is uniformly distributed throughout the body. Tritium is excreted primarily through urine with a clearance rate characterized by an effective biological half-life of about 10 days.

Tritium is produced naturally in the upper atmosphere when cosmic rays strike air molecules. Tritium is also produced during nuclear weapons explosions, as a by-product in reactors producing electricity, and in special production reactors. Also, tritium was released into the atmosphere from Chernobyl in 1986. Like normal water, tritiated water is colorless and odorless. Tritiated water behaves chemically and physically like non-tritiated water in the subsurface, and therefore tritiated water will travel at the same velocity as the average groundwater velocity. ,

Tritium has a half-life of approximately 12.3 years. It decays spontaneously to helium-3 (He-3). This radioactive decay releases a beta particle (18.6 keV low-energy electron). The radioactive decay of tritium is the source of the health risk from exposure to tritium. Tritium is one of the least dangerous radionuclides because it emits very weak radiation and leaves the body relatively quickly. Since tritium is almost always found as water, it goes directly into soft tissues and organs. The associated dose to these tissues is generally uniform and is dependent on the water content of the specific tissue.

Ill. Program Description A. Sample Analysis This section describes the general analytical methodologies used by TBE to analyze the environmental samples for radioactivity for the Oyster Creek Generating Station RGPP in 2010. The sampling frequencies are increased if activity is detected.

In order to achieve the stated objectives, the current program includes the following analyses for groundwater and surface water:

1. Gamma emitters

2. Gross strontium, Strontium-89 and Strontium-90

3. Tritium

4. Gross Alpha, Dissolved and Suspended and Gross Beta, Dissolved and Suspended

5. Selected transuranics

6. Fe-55

7. Ni-63 B. Data Interpretation The radiological data collected prior to Oyster Creek Generating Station becoming operational, as well as background data from publicly available databases, were used as a baseline with which these operational data were compared. For the purpose of this report, Oyster Creek Generating Station was considered operational at initial criticality. 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) is 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 is intended as a before the fact estimate of a system (including instrumentation, procedure and sample type) and not as an after the fact criterion for the presence of activity. All analyses were designed to achieve the required OCGS detection capabilities for environmental sample analysis.

The minimum detectable concentration (MDC) is 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 as an after the fact estimate of the presence of activity.

2. Laboratory Measurements Uncertainty The estimated uncertainty in measurement of tritium in environmental samples is frequently on the order of 50% of the measurement value.

Statistically, the exact value of a measurement is expressed as a range with a stated level of confidence. The convention is to report results with a 95% level of confidence. The uncertainty comes from calibration standards, sample volume or weight measurements, sampling uncertainty and other factors. Exelon reports the uncertainty of a measurement created by statistical process (counting error) as well as all sources of error (Total Propagated Uncertainty or TPU). Each result has two values calculated. Exelon reports the TPU by following the result with plus or minus (+/-) the estimated sample standard deviation, as TPU, that is obtained by propagating all sources of analytical uncertainty in measurements.

Analytical uncertainties are reported at the 95% confidence level.

C. Background Analysis

1. Background Concentrations of Tritium The purpose of the following discussion is to summarize background measurements of tritium in various media performed by others. Additional detail may be found by consulting references.

a. Tritium Production Tritium is created in the environment from naturally occurring processes both cosmic and subterranean, as well as from anthropogenic (i.e., man-made) sources. In the upper atmosphere, "cosmogenic" tritium is produced from the bombardment of stable nuclides and combines with oxygen to form tritiated water, which will then enter the hydrologic cycle. Below ground, "lithogenic" tritium is produced by the bombardment of natural lithium present in crystalline rocks by neutrons produced by the radioactive decay of naturally abundant uranium and thorium. Lithogenic production of tritium is usually negligible compared to other sources due to the limited abundance of lithium in rock. The lithogenic

tritium is introduced directly to groundwater.

A major anthropogenic source of tritium and strontium-90 comes from the former atmospheric testing of thermonuclear weapons. Levels of tritium in precipitation increased significantly during the 1950s and peaked in 1963 with the signing of the limited test ban treaty. The Canadian heavy water nuclear power reactors, other commercial power reactors, nuclear research and weapons production continue to influence tritium concentrations in the environment. Also, tritium was released into the atmosphere from Chernobyl in 1986.

b. Precipitation Data Precipitation samples are routinely collected at stations around the world for the analysis of tritium and other radionuclides. One publicly available database that provides tritium concentrations in precipitation is the USEPA's RadNet database. RadNet provides tritium precipitation concentration data for samples collected at stations throughout the U.S. from 1978 up to and including 1996.

Tritium concentrations in precipitation in New Jersey from 1978 through 1996 have ranged from 600 pCi/I in 1979 to 0 pCi/I in 1996, with an average of 185 pCi/I. Tritium concentrations in wells may still be above the 200 pCi/I detection limit from the external causes described above.

Water from previous years and decades is naturally captured in groundwater, so some well water sources today are affected by the surface water from the 1960s that was elevated in tritium.

c. Surface Water Data Tritium concentrations are routinely measured in surface water bodies, including Oyster Creek and the Delaware River. New Jersey surface water data between 1978 and 1998 averaged 185 pCi/l.

The USEPA RadNet surface water data typically has a reported 'Combined Standard Uncertainty' of 2 standard deviations. This corresponds to a +/- 36 to +/-100 pCi/I confidence bound on each given reported measurement so that the typical surface water background data provided by RadNet may be subject to measurement uncertainty of up to 100 pCi/I.

The radio-analytical laboratory, counts tritium results to an Exelon specified LLD of 200 pCi/I with a typical uncertainty of +/-100 pCi/l. Therefore, sample results reported by TBE near this LLD can not be distinguished from natural background concentrations in surface water.

IV. Results and Discussion A. Program Exceptions

1. Sample Anomalies There are no samples anomalies in 2010.

2. Missed Samples Exelon maintains a Radiological Groundwater Protection Program (RGPP) as part of the nuclear industry's voluntary groundwater protection initiative as described in NEI 07-07. As part of this program, samples are obtained routinely from monitoring wells and surface waters at Oyster Creek based on the frequencies outlined in station procedures. The following samples were not obtained as required by procedure:

SW-3 Fire Pond tritium for 4Q10 W-IA gamma for 2010 W-2B gamma for 2010 W-4A gamma for 2010 W-4B gamma for 2010 Domestic Water South gamma for 2010 Domestic Water North gamma for 2010 MW-51 Gross Alpha, Gross Beta, Strontium-89/90 for 2010 MW-611 Gross Alpha, Gross Beta, Strontium-89/90 for 2010 MW-1 5K-1 A Select Transuranics for 2010 MW-51 Select Transuranics for 2010 MW-54 Select Transuranics for 2010 MW-611 Select Transuranics for 2010 MW-64 Select Transuranics for 2010 Immediate actions taken:

Validated that the samples were missed taking into account various procedure revision implementation dates. Confirmed with the Exelon RGPP vendor laboratory (Teledyne) that samples were not received.

Confirmed that the annual samples were last obtained in 2009.

Samples were obtained and analyzed upon discovery of the missed samples.

3. LLDs Not Met Required LLDs for Surface and Groundwater Isotope pCifliter H-3 200 Mn-54 15 Co-58 15 Fe-59 30 Co-60 15 Zn-65 30 Nb-95 15 Zr-95 30 1-131 15 Cs-134 15 Cs-137 18 Ba-140 60 La-140 15 Indicated LLDs for shorter lived radionuclides were not met due to a time lag between taking the samples and analyzing the samples as indicated on table B-1.2 and B-1I.2.

B. Groundwater Results Samples were collected from on-site locations in accordance with the station radiological groundwater protection program. As reported in CRA's 2006 Hydrogeologic Investigation Report, groundwater flow in the vicinity of the Torus Water Storage Tank and the Condensate Storage Tank is towards the intake and discharge canals.

Tritium Samples from 32 locations were analyzed for tritium activity (Table B-I.1, Appendix B). Tritium was detected in 409 of 745 samples.

The values ranged from < 200 to 1,280,000 pCi/I. The well with the highest concentration was MW-561 (Table B-1.1, Appendix B).

Strontium Strontium-90 was not detected in any location sampled in 2010.

(Table B-1.1, Appendix B)

Gross Alpha and Gross Beta (dissolved and suspended)

Gross Alpha and Gross Beta analyses in the dissolved and suspended fractions were performed on groundwater samples during the second sampling in 2010.

There were 49 samples taken from 44 groundwater well locations.

Gross Alpha (dissolved) was detected in 9 samples and ranged from 3.2 to 10.1 pCi/L. Gross Alpha (suspended) was detected in 20 samples and ranged from 1.1 to 146 pCi/L. Gross Beta (dissolved) was detected in 44 samples and ranged from 2.1 to 33 pCi/L. Gross Beta (suspended) was detected in 18 samples and ranged from 1.9 to 26.6 pCi/L with one sample at 302 pCi/L.

There was one sample taken from the W-73 batch tank. Gross Alpha (dissolved) and Gross Beta (dissolved) was not detected.

Gross Alpha (suspended) was detected at 32.7 pCi/L and Gross Beta (suspended) was detected at 91.5 pCi/L (Table B-1.1, Appendix B).

Gamma Emitters Gamma-emitting radionuclides were only identified in one sample.

A sample obtained from vault 1, located at the southeast corner of the reactor building inside the radiologically controlled area, identified Cs-1 37 and Co-60. This sample was scooped from a puddle in the bottom of the vault and a lot of sediment was obtained with the water sample.

No other gamma emitting nuclides, other than naturally occurring potassium-40, were detected in any of the samples analyzed during 2010 (Table B-I.2, Appendix B).

"Hard-To-Detect" "Hard-To-Detect" analyses were performed on a select group of groundwater locations to establish background levels. The analyses included Fe-55, Ni-63, Am-241, Cm-242, Cm-243/244, Pu-238, and Pu-239/240. "Hard-to-detects" were not identified in any of the groundwater samples.

"Hard-To-Detect" analyses were performed on one sample of W-73 batch tank. The analyses included Fe-55, Ni-63, Am-241, Cm-242, Cm-243/244, Pu-238, Pu-239/240, U-234, U-235, and U-238. The isotopes of U-234 and U-238 were detected at concentrations of 0.2 pCi/L and 0.3 pCi/L respectively. The concentrations detected are considered background due to naturally occurring U-234 and U-238 (Table B-I.3, Appendix B).

C. Surface Water Results Samples were collected from on-site locations in accordance with the station radiological groundwater protection program. Analytical results and anomalies are discussed below.

Tritium Samples from four locations were analyzed for tritium activity (Table B-I.,lAppendix B). No detectable tritium (greater than the LLD) was found in any surface water samples collected from onsite and offsite monitoring locations.

Strontium Strontium-90 was not detected in any location sampled in 2010.

(Table B-11.1, Appendix B)

Gross Alpha and Gross Beta (dissolved and suspended)

Gross Alpha and Gross Beta analyses in the dissolved and suspended fractions were performed on select surface water samples in 2010. Gross Alpha (dissolved) was not detected in any of the surface water locations. Gross Alpha (suspended) was not detected in any of the surface water locations. Gross Beta (dissolved) was detected in all 3 surface water locations. The concentrations ranged from 419 to 507 pCi/L. Gross Beta (suspended) was not detected in any of the surface water locations (Table B-1.1, Appendix B).

Gamma Emitters No gamma emitting nuclides, other than naturally occurring potassium-40, were detected in any of the samples analyzed.

(Table B-11.2, Appendix B)

"Hard-To-Detect" "Hard-To-Detect" analyses were performed on a select group of surface water locations to establish background levels. The analyses included Fe-55, Ni-63, Am-241, Cm-242, Cm-243/244, Pu-238, Pu-239/240, U-234, U-235, and U-238. The isotopes of U-234 and U-238 were detected in one surface water monitoring location. The U-234 concentration was 0.8 pCi/L and the U-238 concentration was 0.6 pCi/L. The concentrations detected are considered background due to naturally occurring U-234 and U-238 (Table B-1.3, Appendix B).

All other "hard-to-detect" nuclides were not detected at concentrations greater than their respective MDCs.

D. Summary of Results - Inter-Laboratory Comparison Program Inter-Laboratory Comparison Program results for TBE and Environmental Inc. (Midwest Labs) are presented in the 2010 Oyster Creek AREOR.

This report is part of the AREOR E. Leaks, Spills, and Releases There were no abnormal releases during 2010.

F. Trends Active remediation of tritium in groundwater due to the spills that occurred in 2009 was initiated in October 2010. Trending of the data due to active remediation is on-going. Overall the station has seen a decreasing trend in tritium values although there was fluctuation in individual wells when W-73 remediation pumping was initiated.

G. Investigations Conestoga Rovers and Associates performed an independent assessment of the tritium plume. The results of their assessment can be found in References 2 and 3.

H. Actions Taken

1. Compensatory Actions The compensatory actions taken during 2010 were to add 15 additional monitoring wells to better characterize and monitor the tritium plume. Active remediation of tritium in groundwater due to the spills that occurred in 2009 was initiated in October, 2010.

2. Installation of Monitoring Wells The following wells were installed in 2010 to better characterize and monitor the tritium plume and site hydrology.

Well Number Formation Well Installation Date W-581 Cohansey July W-591 Cohansey March W-60 I Cohansey July W-61 I Cohansey July W-62 Cape May March W-631 Cohansey July W-64 Cape May March W-65 Cape May March W-661 Cohansey July W-67 Cape May March W-681 Cohansey July W-69 I Cohansey July W-70 I Cohansey July W-71 Cape May August W-72 Cape May August W-73 Pumping well Cohansey October

3. Actions to Recover/Reverse Plumes Oyster Creek Generating Station is currently addressing the tritium in groundwater through pumping of groundwater out of W-73 into the intake structure.

V. References

1. Conestoga Rovers and Associates, Hydrogeologic Investigation Report, Fleetwide Assessment, Oyster Creek Generating Station, Forked River, New Jersey, Ref. No. 045136(18), September 2006

2. Conestoga Rovers and Associates, Site Investigation Report, Oyster Creek Generating Station, Forked River, New Jersey, Ref. No. 055875 (4), August 2009

3. Conestoga Rovers and Associates, Remedial Investigation Workplan, Oyster Creek Generating Station, Forked River, New Jersey, Ref. No. 055875 (5),

October 2009 APPENDIX A LOCATION DESIGNATION

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Page 1 of 8 Sample WellGPS RGPPSSampl Reporting, Identification .Location: Cooreinatesr Point Value (ft), Wtey

..Bode Number, (Northing/Easting) Designation for. .tore M*oniored

____________ Tritium:____

North 358373.33 DWN Domestic 574672.98 300.0 B APV Kirkwood Well South 356955.90 DWS Domestic 574616.69 145.0 B APV Kirkwood Well E of ISFSI LW-l 357632.49 21.0 APV Cape May (microwave 575569.96 zone)

E of ISFSI LW-2 357645.30 21.0 APV Cape May (microwave 575581.92 zone)

E of ISFSI LW-3 - 357630.20 21.0 D APV Cape May (microwave 575575.52 zone)

East of LW-4 ISFSI - 357652.78 49.0 D APV Cohansey (microwave 575573.75 zone)

MW-IA-2A SW of MFOT 357380.76 24.0 D APV Cape May Moat 575043.44 East of 358551.94 MW-IG-IA fueling 575308.91 20.0 I APV Cape May station MW-IG-IB East of 358550.57 45.0 APV Cohansey Sfueling 575316.19 station MW-lI-lA Roadway - 357598.17 19.0 D APV Cape May NW of TWST 574412.70 1 MW-II-2A Roadway - 357574.80 SE of TWST 574493.50 MW-15K-1A Roadway - 357297.90 19.0 E/Monthly 100,000 Cape May Intake 574469.50 H-3*

Yard - W 357573.30 MW-16D of MAC 574746.50 25.0 D APV Cape May Building 5 2 I A C M A-I

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Paae 2 of 8 Internal Sample Well GPS RGPP Sample Rerng Aquifer I atil n Identification Location Coordinates Depth (ft Point PPalue Reporting or Bod Water (ft) . Values Body Number (Northing/Easting) Designation for Monitored Tritium Finninger MW-24-2A Farm - 356838.52 18.0 I APV Cape May near DSB 579470.94 Finninger 356828.49 17.0 Level Cape May MW-24-3A Farm - 578969.05 Only near DSB Between MW-50 CST and 357368.21 20 /Monthly APV Cape May Intake 574436.80 2 H-3*

Structure MW-51 Near CST 357378.30 20.0 E/Monthly APV Cape May 574480.80 2 H-3*

Near 357400.90 D/Monthly MW-52 Intake 574353.00 20.0 H-3* APV Cape May Structure Near end MW-53 of CW 357272.80 20.0 D/Monthly APV Cape May discharge 574447.60 H-3*

piping Near MW-54 Intake 357276.20 E/Monthly Mtructure 574311.70 20.0 H-3* APV Cape May Structure Between MW-55 CST and 357354.88 E/Monthly APV Cape May Intake 574440.07 30.0 H-3*

Structure MW-561 By NaOCI 357305.30 E/Monthly APV Cohansey tanks 574465.50 52.0 H-3*

Near MW-57I Intake 357343.71 E/Monthly Structure 574373.89 50.0 H-3* APV Cohansey Structure Near Ntake 357346.70 MW-581 Intake 574377.28 72.0 0 APV Cohansey Structure Intake MW-591 Roadway - 357422.14 44.0 APV Cohansey NW of CST 574406.38 Near Ntake 357346.55 MW-60I Intake Structure57 574373.88 73 8" 92.0 D APV Cohansey A-2

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Page 3 of 8 Internal Sample Well GPS RGPP Sample Rerng Aquifer Identification Nubr(Northing/Easting)

Location Coordinates Dept (ft) Point Reporting Values Valuesatioodfo orBody, Water Numbtrio Monitored Tritium Between MW-61I CST and Intake 357328.64 574444.45 72.0 APV Cohansey Structure NW Corner of 357467.93 25.0 D/Monthly APV Cape May MW-62 Turbine 574524.10 H-3 Bldg Between CST and 357329.40 MW-63I Intake 574447.67 92.0 APV Cohansey Structure Near 357343.96 E/Monthly MW-64 Intake 574377.88 25.0 H-3* APV Cape May Structure Intake 357421.00 D/Monthly MW-65 Roadway - 574402.55 25.0 H-3* APV Cape May NW of CST SE of 357320.44 MW-661 Reactor 574889.18 80.0 D APV Cohansey Bldg West side MW-67 of 357401.99 25.0 E/Monthly APV Cape May Turbine 574540.38 H-3*

Bldg SE of 357323.83 MW-681 Reactor 574897.64 100.0 D APV Cohansey Bldg Yard - NW 357664.03 MW-691 of DWPC 574760.93 78.0 D APV Cohansey Building Yard - NW 357670.57 MW-70I of DWPC 574759.18 98.0 APV Cohansey Building S of 357365.52 NW-71 Reactor 574841.89 25.0 D APV Cape May Bldg N of MW-72 Reactor 357549.87 25.0 D APV Cape May Bldg 574788.52 Main Surface MCD Condenser N/A N/A Weekly* H-3 APV Water Discharge A-3

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Paae 4 of 8 Internal Sample Well GPS Depth RGPP Sample Rerng Aquifer Identif ication Location (N Coordinates rh n/ a t n) Deth (ft) Point D sg ai n Reporting Values Water or Body Number (Northing/Easting) Desiation forod Tritium Monitored SW-I Intake N/A N/A SW/Weekly* APV Surface Canal H-3 Water RT 9 SW/Daily* Surface SW-2 South N/A N/A W-ayAPV Sace Bridge H-3 Water APV Surface Wate SW-3 Fire Pond N/A N/A SW Water Dilution W-1 Pump Area 357029.86 50.0 Level Cohansey

- West 574140.61 Only Bank North 358311.70 W-IA Yard Area 574679.00 50.0 APV Cohansey W-IB YardNorth Area 358312.80 574685.40 Level 20.0 Onlye West end 357149.22 60.0 W-lC of 572741.00 APV Cohansey backsite West end 357151.55 150.0 W-IK of backsite 572728.77 APV Kirkwood backsite W-2 S of EDG 356965.65 57.0 APV Cohansey Bldg 574555.73 Field - W 358105.00 W-2A of North 574348.60 50.0 APV Cohansey Yard Bldg Field - W W-2B of North 358110.30 20.0 B Level Cape May Yard 574348.50Only Building Forked 357923.67 60.0 W-2C River CT 573809.92 APV Cohansey Site Forked 358030.88 150.0 W-2K River CT 573762.54APV Kirkwood Site A-4

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Page 5 of 8 Internal..

Sample Well GPS Coordinates Depth RGPP Sample Point orAuifer quReporting Water Idntifiaero Location (fint Values Bd Body Identification (Northing/Easting) (ft) Designation

' Tritium Nuritiuo Monitored Intake - 357173.00 24.0 D/Monthly W-3 Access 574499.10 H-3* APV Cape May Road Plant 358067.92 50.0 Level W-3A Access 575664.22 Only Cohansey Road Plant 358070.58 Level W-3B Access 575656.25 20.0 1 Only Cape May Road Finninger W-3C Farm - N 356595.30 60.0 APV Cohansey of 576663.33 Discharge Finninger W-3K Farm - N 356602.17 100.0 Level Kirkwood of 576675.04 Only Discharge Intake - 357176.40 W-4 Access 574497.70 55.0 0 APV Cohansey Road SE of 356913.30 W-4A OCAB 575387.10 50.0 B APV Cohansey Building SE of 356916.40 W-4B OCAB 575388.90 20.0 B APV Cape May Building Finninger 359305.61 60.0 W-4C Farm - S 575867.58 APV Cohansey of Intake Finninger 359321.83 Level W-4K Farm - S 57840i00.0 1 ny Kirkwood fInae of Intake 575874.07 Only NW Yard area, W-5 near Fire 357510.95 20.5 D APV Cape May Water 574374.05 Tank Finninger Farm - E 356758.59 W-5C of dredge 580642.26 60.0 APV Cohansey spoils Finninger Farm - E 356743.81 W-5K Fdre 5646.8 150.0 B APV Kirkwood of dredge 580646.48 spoils A-5

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Paae 6 of 8 Internal Sample Well GPS Det RGPP Sample Reporting Aquifer Identif ication Location (Nrhn/atn}

Coordinates (ft) Point Dsgain Vep Values Water orBody" Number (Northing/Easting) Designation for Bod Monitored Tritium NW Yard -

w-6 near Fire 357514.02 52.0 D APV Cohansey Water 574373.77 Tank NE - *357074.46 20. 0 APV Cape May W-7 Building 574713.08 4

Roadway - 357289.29 W-9 NE of SAS 574892.74 20.0 APV Cape May Building W-10 NW of SAS 357286.29 60.0 D APV Cohansey Building 574890.61 Yard - NW 357669.10 W-12 of DWPC 574755.60 20.0 D APV Cape May Building Yard - NW 357666.00 W-13 of DWPC 574755.90 50.0 APV Cohansey Building Yard - SW 357702.41 W-14 of 575018.75 53.0 D APV Cohansey Warehouse Yard - SW 357705.83 W-15 of 575017.70 20.0 APV Cape May Warehouse W-16 Yard - E 357967.26 of LLRW 574933.03 20.0 AFV Cape May Road/ 358078.05 W-17 Exit 150.0 APV Kirkwood Near W-3A W-18 Near EDG 357005.78 20.0 1 APV Cape May Building 574621.6 Near EDG 357077.91 W-19 Building 574633.23 20.0 APV Cape May W-20 SW of EDG 356927.46 Building 574542.59 20.0 APV Cape May A-6

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Page 7 of 8 Sample Well GPS RGPP Sample Rerng Aquifer Identification Location Coordinates Dept Point Reporting for Water.

orBody (Northing/Easting) (ft) Designation Number fori Monitored Tritium W-21 Near EDG 357009.15 20.0 1 APV Cape Nay Building 574518.22 W-22 Near EDG 357024.50 39.0 APV Cape May Building 574590.19 9 W-23 Near EDG 357054.89 20.0 1 APV Cape May Building 574564.88 South of TB 357128.94 W-24 W of old 574650.77 19.0 D APV Cape May Machine Shop W-25 Near EDG Building 356962.59 574677.59 20.0 1 APV Cape May W-26 Near EDG Building 357006.60 574644.03 20.0 I APV Cape May W-27 Near EDG Building 357042.43 574636.35 20.0 1 APV Cape May W-28 Near EDG 356991.29 19.5 1 APV Cape May Building 574573.64 W-29 Near EDG Building 357012.62 574568.69 19.5 APV Cape May W-30 Near EDG Building 357058.00 574516.71 19.5 APV Cape May W-31 Near EdG Building 357051.78 574495.62 19.5 1 APV Cape May W-32 Near EDG Building 356978.58 574528.44 19.5 1 APV Cape May Near EDG 357026.93 W-33 Building 574499.17 19.5 APV Cape May A-7

TABLE A-1: Radiological Groundwater Protection Program - Sampling Locations, Oyster Creek Generating Station, 2010 Oyster Creek Generating Station RGPP Sample Point List Page 8 of 8 Sample Well GPS RGPP Sample Internal Aquifer IdenifictionLocaionValues Coordinates Dept Point Reporting or Water Identification Location (Northing/Easting) (ft) Designation for Body Number for Moire Triium Tritium Monitored South of TB 357196.14 W-34 W of old 574649.43 40.0 D APV Cohansey Machine Shop

• Tritium sampling frequency based upon agreement made with the NJDEP on 1/19/11.

D = Daily W = Weekly M = Monthly S = Semi-annual B = Biennial Note that only sample points that are part of the program are listed in this table.

The following list is samples that were obtained in 2010 but are not a part of the RGPP. The results for these samples are listed in Appendix B.

As listed in Appendix B Description BC WHSE Back site warehouse bathroom tap CTG BR Back site CTG office building bathroom tap CTG MFOST Back site from well beside CTG main fuel oil storage tank Vault 1 Vault at southeast corner of the reactor building W-73 Batch Tank Remediation well W-73 Batch Tank prior to discharge A-8

CST Investigation Routinm Groundwater Monitoring Locations Cape May Formation Wells

1. Cohansey Formation Wells CST Investigation Routine Monitoring Locations Exelon Corporation Oyster Creek Generating Station Figure A-1 Sampling Locations - Selected Cohansey and Cape May Formation Wells, Oyster Creek Generating Station, 2010 A-9

APPENDIX B DATA TABLES

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER 12 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

BC WHSE 06/18/10 < 157 CTG BR 06/18/10

• 160 CTG MFOST 06/18/10

• 158 DWN 04/29/10 TBE < 170 DWN 04/29/10 TBE < 171 DWN 04/29/10 EIML < 151 DWS 04/29110 < 152 VAULT 1 05/21/10 4860 +/- 540 LW-3 04/28/10 < 169 LW-3 10/14/10 < 172 <0.7 <0.7 < 0.5 < 1.8 < 1.6 LW-4 04/28/10 < 168 LW-4 04/28110 TBE < 151 LW-4 04/28/10 EIML < 151 LW-4 10/14/10 < 178 < 0.8 < 0.6 < 0.5 2.1 +/- 1.1 < 1.5 MW-15K-iA 01/05/10 28500 +/- 2880 MW-15K-iA 01/12/10 21600 +/- 4400 MW-15K-iA 01/19/10 28500 +/- 2880 MW-15K-lA 01/26/10 30400 +/- 3080 MW-15K-iA 02/02/10 20100 +/- 3860 MW-15K-iA 02/09/10 20900 +/- 2130 MW-15K-iA 02/16/10 2640 +/- 307 MW-15K-iA 02/24/10 2120 +/- 263 MW-15K-iA 03/02/10 1940 +/- 246 MW-15K-iA 03/09/10 2660 +/- 323 MW-15K-iA 03/16/10 2420 +/- 302 MW-15K-iA 03/23/10 4970 +/- 546 MW-15K-iA 03/31/10 4190 +/- 473 MW-15K-iA 04/06/10 6010 +/- 649 MW-15K-iA 04/14/10 4010 +/- 450 MW-15K-iA 04/20/10 6140 +/- 661 MW-15K-iA 04/27/10 8370 +/- 884 MW-15K-iA 05/04/10 11800 +/- 1230 MW-15K-iA 05/11/10 7390 +/- 792 MW-15K-iA 05/19/10 9360 +/- 984 MW-15K-iA 05/25/10 8020 +/- 1080 MW-15K-iA 06/02/10 4270 +/- 483 MW-15K-iA 06/08/10 6210 +/- 669 MW-15K-iA 06/15/10 4770 +/- 528 MW-15K-iA 06/22/10 4800 +/- 528 MW-15K-iA 06/30/10 4920 +/- 540 MW-15K-iA 07/07/10 6340 +/- 674 MW-15K-iA 07/13/10 8250 +/- 878 MW-15K-iA 07/21/10 9370 +/- 984 MW-15K-iA 07/27/10 8650 +/- 910 MW-15K-iA 08/04/10 10700 +/- 1120 MW-15K-iA 08/11/10 11100 +/- 922 MW-15K-iA 08/18/10 9950 +/- 1040 MW-15K-iA 08/24/10 11600 +/- 1220 MW-15K-iA 09/08/10 10000 +/- 1050 MW-15K-iA 09/22/10 14600 +/- 1500 MW-15K-iA 09/28/10 11000 +/- 1150 B-1

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-15K-iA 10/13/10 871 +/- 157 < 0.5 < 1.2 14.7 +/- 6.0 2.9 +/- 1.3 26.6 + 3.4 MW-15K-iA 10/27/10 1400 +/- 199 MW-15K-iA 11/10/10 2320 +/- 299 MW-15K-iA 11/23/10 3780 +/- 634 MW-15K-iA 12/14/10 8940 +/- 938 MW-16D 04/28/10 < 167 MW-16D 10/13/10 < 177 < 0.8 10.1 +/- 5.9 < 0.6 20.8 +/- 3.7 < 1.6 MW-IA-2A 04/27/10 < 166 MW-IA-2A 10/13/10 < 185 < 0.7 < 0.9 1.4 +/- 0.8 < 1.9 < 1.6 MW-11-1A 01/27/10 < 149 MW-1 I-1A 02/24/10 < 186 MW-1 I-1A 03/22/10 < 168 MW-1 I-1A 04/28/10 < 148 MW-11-1A 04/28/10 < 160 MW-1I-1A 05/27/10 < 178 MW-II-1A 06/29/10 < 171 MW-II-1A 07/28/10 < 163 MW-i I-1A 08/25/10 < 161 MW-i I-1A 10/12/10 < 183 < 0.7 < 0.9 < 0.5 < 1.9 < 1.5 MW-1 I-2A 01/27/10 < 154 MW-1 I-2A 02/24/10 < 188 MW-1 I-2A 03/22/10 < 172 MW-1 I-2A 04/28/10 < 153 MW-1 I-2A 04/28/10 < 157 MW-1 I-2A 05/27/10 < 180 MW-1 I-2A 06/29/10 < 171 MW-1 I-2A 07/28/10 < 167 MW-1 I-2A 08/25/10 < 163 MW-1 I-2A 10/12/10 < 182

.v- < 0.8 < 1.7 2.1 +/- 1.0 6.2 +/- 1.8 3.6 +/- 1.3 MW-50 01/05/10 251000 +/- 11000 MW-50 01/12/10 246000 +/- 10900 MW-50 01/19/10 231000 +/- 10500 MW-50 01/26/10 245000 +/- 24400 MW-50 02/02/10 344000 +/- 12200 MW-50 02/09/10 293000 +/- 11300 MW-50 02/16/10 337000 +/- 12100 MW-50 02/24/10 237000 +/- 23800 MW-50 03/02/10 177000 +/- 17800 MW-50 03/09/10 168000 +/- 16900 MW-50 03/16/10 137000 +/- 13900 MW-50 03/23/10 161000 +/- 16500 MW-50 03/31/10 173000 +/- 17700 MW-50 04/07/10 149000 +/- 15100 MW-50 04/14/10 196000 +/- 19900 MW-50 04/21/10 74500 +/- 7700 MW-50 04/28/10 193000 +/- 12500 MW-50 05/04/10 125000 +/- 12500 MW-50 05/11/10 116000 +/- 11600 MW-50 05/12/10 120000 +/- 12000 < 0.6 MW-50 05/26/10 209000 +/- 4280 B-2

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUSI MW-SO 06/02/10 214000 +/- 20200 MW-50 06/08/10 187000 +/- 18600 MW-50 06/15/10 148000 +/- 12500 MW-50 06/22/10 126000 +/- 12600 MW-50 06/30/10 224000 +/- 22200 MW-50 07/07/10 76200 +/- 5840 MW-50 07/14/10 256000 +/- 25100 MW-50 07/21/10 240000 +/- 23800 MW-50 07/27/10 175000 +/- 11900 MW-50 08/04110 121000 +/- 12100 MW-50 08/11/10 118000 +/- 11800 MW-50 08/18/10 139000 +/- 13100 MW-50 08/24/10 177000 +/- 17700 MW-50 08/31/10 112000 +/- 11200 MW-50 09/08/10 82100 +/- 8260 MW-50 09/15/10 115000 +/- 11200 MW-50 09/22/10 251000 +/- 24800 MW-50 09/29/10 208000 +/- 20700 MW-50 10106/10 212000 +/- 21100 MW-50 10/13/10 151000 +/- 15000 < 0.7 < 1.8 1.9 +/- 1.2 3.0 +/- 1.5 2.7 +/- 1.3 MW-50 10/20/10 154000 +/- 3810 MW-50 10/27/10 145000 +/- 14500 MW-50 11/03/10 125000 +/- 12600 MW-50 11/10/10 149000 +/- 14800 MW-50 11/17/10 142000 +/- 13800 MW-50 11/23/10 128000 +/- 12400 MW-50 12/15/10 147000 +/- 14700 MW-50 01/19/10 81700 +/- 6740 MW-51 01/26/10 85600 +/- 6400 MW-51 02/02/10 45600 +/- 5020 MW-51 02/09/10 73500 +/- 6050 MW-51 02/16/10 7880 +/- 826 MW-51 02/23/10 21400 +/- 2200 MW-51 03/02/10 12700 +/- 1310 MW-51 03/09/10 22100 +/- 2260 MW-51 03/16/10 20200 +/- 2240 MW-51 03/23/10 12500 +/- 1790 MW-51 03/30/10 7600 +/- 1330 MW-51 04/06/10 13800 +/- 1900 MW-51 04/13/10 34000 +/- 3680 MW-51 04/20/10 34800 +/- 3760 MW-51 04/27/10 44400 +/- 4710 MW-51 05/04/10 48600 +/- 4450 MW-51 05/25/10 37800 +/- 1840 MW-51 06/02/10 38200 +/- 3860 MW-51 11/16/10 16300 +/- 1670 MW-52 01/05/10 < 162 B-3

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-52 01/12/10 < 164 MW-52 01/19/10 < 161 MW-52 01/26/10 < 148 MW-52 02/02/10 < 146 MW-52 02/09/10 < 148 MW-52 02/16/10

• 188 MW-52 02/23/10 < 193 MW-52 03/02/10 < 187 MW-52 03/09/10 < 191 MW-52 03/16/10 < 164 MW-52 03/23/10 < 172 MW-52 03/30/10 < 169 MW-52 04/06/10 < 170 MW-52 04/13/10

• 163 MW-52 04/20/10 < 159 MW-52 04/28/10 < 160 MW-52 05/04/10 < 179 MW-52 05/11/10 < 177 MW-52 05/18/10

• 153 MW-52 05/25/10 < 178 MW-52 06/03/10 < 155 MW-52 06/09/10 < 168 MW-52 06/16/10 < 152 MW-52 06/22/10 < 160 MW-52 06/29/10 < 191 MW-52 07/07/10 < 162 MW-52 07/13/10

• 169 MW-52 07/21/10 < 169 MW-52 07/28/10 < 166 MW-52 08/03/10 < 185 MW-52 08/10/10 < 193 MW-52 08/17/10 < 188 MW-52 08/25/10 < 193 MW-52 09/28/10 < 185 MW-52 10/13/10 < 170 < 0.7 < 20 1,7 +/- 1.0 13.8 +/- 2M5 2.8 +/- 1.2 MW-52 11/16/10

• 155 MW-52 12/14/10 < 162 MW-53 01/05/10 < 161 MW-53 01/12/10 < 164 MW-53 01/19/10 < 166 MW-53 01/26/10 < 149 MW-53 02/02/10 < 149 MW-53 02/09/10 154 +/- 98 MW-53 02/16/10 < 190 MW-53 02/23/10 < 195 MW-53 03/02/10 < 189 MW-53 03/09/10 < 193 B-4

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-53 03/16/10 < 166 MW-53 03/23/10 < 169 MW-53 03/30/10 < 168 MW-53 04/06/10 < 171 MW-53 04/13/10 < 158 MW-53 04/20/10 < 160 MW-53 04/27/10 < 160 MW-53 05/04/10 < 175 MW-53 05/11/10 < 178 MW-53 05/18/10 < 168 MW-53 05/25/10 < 178 MW-53 06/02/10 < 179 MW-53 06/08/10 < 168 MW-53 06/15/10 215 + 103 MW-53 06/22/10 < 169 MW-53 06/30/10 < 190 MW-53 07/08/10 < 161 MW-53 07/13/10 < 164 MW-53 07/21/10 < 168 MW-53 07/27/10 174 + 108 MW-53 08/04/10 < 180 MW-53 08/11/10 < 190 MW-53 08/17/10 < 184 MW-53 08/25/10 < 196 MW-53 09/28/10 < 189 MW-53 10/12/10 < 173 <0.7 <2.8 < 1.2 < 2.3 < 1.7 MW-53 11/16/10 < 156 MW-53 12/14/10 < 163 MW-54 01/05/10 241 + 113 MW-54 01/12/10 1260 +/- 183 MW-54 01/19/10 1760 +/- 227 MW-54 01/26/10 4350 +/- 480 MW-54 02/02/10 9390 +/- 3210 MW-54 02/09/10 3920 +/- 433 MW-54 02/16/10 8780 +/- 1090 MW-54 02/23/10 2110 +/- 456 MW-54 03/02/10 205 +/- 112 MW-54 03/02/10 223 +/- 113 MW-54 03/09/10 1990 +/- 479 MW-54 03/16/10 298 +/- 117 MW-54 03/23/10 1770 +/- 232 MW-54 03/30/10 < 170 MW-54 04/06/10 700 +/- 138 MW-54 04/13/10 1160 +/- 170 MW-54 04/20/10 5530 +/- 601 MW-54 04/27/10 2050 +/- 255 MW-54 05/04/10 550 +/- 134 B-5

TABLE B-1I. CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-54 05/11/10 368 +/- 125 MW-54 05/18/10 < 149 MW-54 05/25/10 < 179 MW-54 06/02/10

• 180 MW-54 06/09/10 182 +/- 115 MW-54 06/15/10 244 +/- 106 MW-54 06/22/10

• 161 MW-54 06/30/10 *194 MW-54 07/08/10 184 +/- 108 MW-54 07/14/10 343 +/- 127 MW-54 07/21/10

• 166 MW-54 07/27/10

• 161 MW-54 08/04/10 *184 MW-54 08/11/10

• 189 MW-54 08/17/10

• 186 MW-54 08/25/10 431 +/- 121 MW-54 09/08/10 389 +/- 123 MW-54 09/22/10 377 +/- 125 MW-54 09/28/10 483 +/- 140 MW-54 10/13/10 426 +/- 125 < 0.5 < 11.5 146 +/- 40.4 24.8 +/- 13.5 302 +/- 26.9 MW-54 10/27/10 865 +/- 150 MW-54 11/10/10 237 +/- 125 MW-54 11/23/10 25800 +/- 2610 MW-54 11/23/10 24800 +/- 2520 MW-54 12/14/10 735 +/- 139 MW-55 01/05/10 30600 +/- 4790 MW-55 01/12/10 48700 +/- 5540 MW-55 01/19/10 125000 +/- 8010 MW-55 01/26/10 67100 +/- 5800 MW-55 02/02/10 40600 +/- 4800 MW-55 02/09/10 52200 +/- 5310 MW-55 02/16/10 30200 +/- 3070 MW-55 02/24/10 14400 +/- 1640 MW-55 03/02/10 16100 +/- 1800 MW-55 03/09/10 21500 +/- 2370 MW-55 03/16/10 12200 +/- 1450 MW-55 03/23/10 20900 +/- 2580 MW-55 03/31/10 8650 +/- 1430 MW-55 04/07/10 20000 +/- 2290 MW-55 04/14/10 24900 +/- 2750 MW-55 04/21/10 63100 +/- 6580 MW-55 04127/10 80700 +/- 8340 MW-55 05/04/10 68000 +/- 6840 MW-55 05/11/10 95000 +/- 8760 MW-55 05/12/10 59000 +/- 4900 < 0.6 MW-55 05/19/10 91800 +/- 9210 MW-55 05/26/10 50800 +/- 2090 B-6

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-55 06/02/10 56600 +/- 5690 MW-55 06/08/10 53800 +/- 5420 MW-55 06/15/10 58800 +/- 4890 MW-55 06/22/10 75900 +/- 7620 MW-55 06/30/10 77800 +/- 7820 MW-55 07/08/10 112000 +/- 8210 MW-55 07114/10 92800 +/- 7140 MW-55 07/21/10 77600 +/- 7800 MW-55 07/27/10 68100 +/- 6850 MW-55 08/04/10 57800 +/- 5820 MW-55 08/11/10 63200 +/- 5460 MW-55 08/18/10 68900 +/- 6930 MW-55 08/24/10 79000 +/- 7920 MW-55 08/31/10 57700 +/- 5690 MW-55 09/08/10 79300 +/- 7950 MW-55 09/15/10 87300 +/- 5950 MW-55 09/22/10 57100 +/- 5740 MW-55 09/29/10 43500 +/- 4390 MW-55 10/06/10 7980 +/- 913 MW-55 10/13/10 13700 +/- 1420 < 0.7 < 2.1 2.1 +/- 1.1 4.4 +/- 1.7 2.4 +/- 1.2 MW-55 10/20/10 20000 +/- 1420 MW-55 10/27/10 19300 +/- 1970 MW-55 11/03/10 17800 +/- 1820 MW-55 11/10/10 10900 +/- 1150 MW-55 11/17/10 15700 +/- 1610 MW-55 11/23/10 26500 +/- 2690 MW-55 12/15/10 32200 +/- 3250 MW-561 01/05/10 839000 +/- 19600 MW-561 01/12/10 847000 +/- 19700 MW-561 01/19/10 742000 +/- 18500 MW-561 01/26/10 929000 +/- 19600 MW-561 02/02/10 918000 +/- 19500 MW-561 02/09/10 963000 +/- 19900 MW-561 02/16/10 686000 +/- 17100 MW-561 02/23/10 1280000 +/- 125000 MW-561 03/02/10 1160000 +/- 114000 MW-561 03109110 1090000 +/- 107000 MW-561 03/16/10 981000 +/- 96400 MW-561 03/23/10 761000 +/- 75400 MW-561 03/31110 898000 +/- 88800 MW-561 04/06/10 855000 +/- 85500 MW-561 04/14/10 818000 +/- 80200 MW-561 04/20/10 803000 +/- 79100 MW-561 04/27/10 1000000 +/- 88100 MW-561 05/04/10 1030000 +/- 101000 MW-561 05/11/10 1070000 +/- 104000 MW-561 05/12/10 979000 +/- 93600 B-7

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-561 05/18/10 985000 +/- 94700 MW-561 05/25/10 868000 +/- 17400 MW-561 06/02/10 1010000 +/- 94900 MW-561 06/08/10 1080000 +/- 105000 MW-561 06/15/10 1020000 +/- 96200 MW-561 06/22/10 935000 +/- 91600 MW-561 06/30/10 887000 +/- 84800 MW-561 07/07/10 944000 +/- 92200 MW-561 07/13/10 856000 +/- 83700 MW-561 07/21/10 814000 +/- 80600 MW-561 07/27/10 711000 +/- 69600 MW-561 08/04/10 791000 +/- 77500 MW-561 08/11/10 702000 +/- 67900 MW-561 08/18/10 691000 +/- 67700 MW-561 08/24/10 709000 +/- 68500 MW-561 08/31/10 721000 +/- 70600 MW-561 09/08/10 663000 +/- 64600 MW-561 09/15/10 599000 +/- 50800 MW-561 09/22/10 294000 +/- 28900 MW-561 09/29/10 381000 +/- 24700 MW-561 10/06/10 507000 +/- 46900 MW-561 10/14/10 356000 +/- 35300 < 0.8 6.5 +/- 2.2 2.8 +/- 1.6 10.0 +/- 2.3 5.0 +/- 1.6 MW-561 10/14/10 252000 +/- 24400 < 0.8 5.9 +/- 1.9 3.1 +/- 1.7 10.1 +/- 2.2 6.3 +/- 1.7 MW-561 10/20/10 367000 +/- 5840 MW-561 10/27/10 341000 +/- 28900 MW-561 11/03/10 410000 +/- 40300 MW-561 11/10/10 341000 +/- 33600 MW-561 11/17/10 298000 +/- 29400 MW-561 11/23/10 45100 +/- 4520 MW-561 11/23/10 45800 +/- 4610 MW-561 12/15/10 4630 +/- 507 MW-571 01/05/10 249000 +/- 11000 MW-571 01/12/10 225000 +/- 10500 MW-571 01/19/10 500000 +/- 15200 MW-571 01/26/10 210000 +/- 9570 MW-571 02/02/10 230000 +/- 10100 MW-571 02/09/10 175000 +/- 8920 MW-571 02/16/10 193000 +/- 9370 MW-571 02/24/10 302000 +/- 30300 MW-571 03/02/10 259000 +/- 26000 MW-571 03/09/10 189000 +/- 19100 MW-571 03/16/10 191000 +/- 19300 MW-571 03/23/10 173000 +/- 17700 MW-571 03/31/10 105000 +/- 11000 MW-571 04/07/10 178000 +/- 18000 MW-571 04/14/10 165000 +/- 16700 MW-571 04/20/10 156000 +/- 15900 BR8

TABLE B-1.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUIS) GR-B (DIS) GR-B (SUS)

MW-571 04/27/10 155000 +/- 15800 MW-571 05/05/10 83800 +/- 8410 MW-571 05/12/10 60100 +/- 6060 MW-571 05/12/10 60800 +/- 6120 < 0.7 MW-571 05/19/10 83800 +/- 8420 MW-571 05/25/10 59800 +/- 2250 MW-571 06/02/10 53600 +/- 5370 MW-571 06/08/10 51900 +/- 5220 MW-571 06/15/10 51300 +/- 5170 MW-571 06/22/10 91900 +/- 7380 MW-571 06/29/10 123000 +/- 12400 MW-571 07/07/10 111000 +/- 11000 MW-571 07/14/10 26400 +/- 2690 MW-571 07/21/10 66900 +/- 6030 MW-571 07/27/10 66600 +/- 5980 MW-571 08/03/10 49400 +/- 4740 MW-571 08/11/10 72000 +/- 7220 MW-571 08/18/10 52200 +/- 4920 MW-571 08/24/10 154000 +/- 15300 MW-571 08/24/10 173000 +/- 17200 MW-571 08/31/10 58100 +/- 5850 MW-571 09/08/10 72200 +/- 7250 MW-571 09/15/10 63300 +/- 6360 MW-571 09/22/10 81400 +/- 6190 MW-571 09/29/10 68300 +/- 5680 MW-571 10/06/10 63100 +/- 6340 MW-571 10/13/10 78900 +/- 7860 < 0.8 < 2.1 < 0.8 20.9 +/- 3.6 < 1.6 MW-571 10/20/10 45000 +/- 2090 MW-571 10/27/10 7680 +/- 812 MW-571 11/03/10 63200 +/- 5800 MW-571 11/10/10 43200 +/- 4170 MW-571 11/16/10 53900 +/- 4620 MW-571 11/23/10 50100 +/- 5050 MW-571 12/15/10 81000 +/- 5840 MW-581 07/21/10 170 MW-581 07/27/10 162 MW-581 08/03/10 182 MW-581 08/11/10 183 MW-581 08/18/10 166 MW-581 08/24/10 192 MW-581 10/14/10 175 < 0.6 < 1.7 < 0.6 7.1 +/- 1.9 < 1.6 MW-591 03/24/10 1280 +/- 186 MW-591 03/30/10 3050 +/- 359 MW-591 04/06/10 1540 +/- 211 MW-591 04/13/10 2230 +/- 278 MW-591 04/21/10 1830 +/- 239 MW-591 04/28/10 2130 +/- 261 B-9

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-591 05/05/10 2580 +/- 318 MW-591 05/11/10 2260 +/- 286 MW-591 05/18/10 1580 +/- 215 MW-591 05/26/10 1170 +/- 467 MW-591 06/02/10 776 +/- 152 MW-591 06108/10 755 +/- 142 MW-591 06/16/10 563 t 122 MW-591 06/22/10 307 +/- 118 MW-591 06/29/10 248 +/- 118 MW-591 07/07/10 200 +/- 115 MW-591 07/13/10 < 180 MW-591 07/21/10 < 168 MW-591 07/28/10 < 178 MW-591 08/03/10 < 178 MW-591 08/10/10 < 184 MW-591 08/17/10 < 200 MW-591 08/24/10 < 197 MW-591 09/08/10 < 168 MW-591 09/22/10 < 200 MW-591 09/28/10 < 190 MW-591 10/13/10 < 166 <0.6 <0.9 < 0.8 2.2 +/- 1.2 < 1.5 MW-591 10/27/10 < 165 MW-591 11/10/10 < 188 MW-591 11/23/10 < 168 MW-591 12/14/10 < 164 MW-601 05/18/10 175000 + 17300 MW-601 07/21/10 < 169 MW-601 07/27/10 < 161 MW-601 08/03/10 < 178 MW-601 08/11/10 < 181 MW-601 08/18/10 < 189 MW-601 08/24/10 < 196 MW-601 10/14/10 < 183 <1.0 <0.6 < 0.6 3.1 +/- 1.2 < 1.6 MW-601 10/14/10

• 175 <0.5 <1.0 1.1 +/- 0.7 5.9 +/- 1.7 < 1.6 MW-611 07/21/10 5900 +/- 640 MW-611 07/27/10 11000 +/- 1140 MW-611 08/03/10 12100 +/- 1260 MW-611 08/11/10 13400 +/- 1390 MW-611 08/18/10 13500 +/- 1400 MW-611 08/24/10 11100 +/- 1170 MW-62 03/10/10 < 166 MW-62 03/17/10 < 165 MW-62 03/24/10 < 171 MW-62 03/30/10 < 170 MW-62 04/06/10 < 170 MW-62 04/13/10 < 157 MW-62 04/20/10 < 165 B-10

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-62 04/28/10 < 161 MW-62 05/04/10 < 180 MW-62 05/12/10 < 176 MW-62 05/18/10 < 168 MW-62 05/27/10 < 178 MW-62 06/03/10 < 170 MW-62 06/09/10 < 169 MW-62 06/16/10 < 150 MW-62 06/23/10 < 162 MW-62 06/29/10 < 189 MW-62 07/07/10 < 159 MW-62 07/13/10 < 178 MW-62 07/21/10 < 170 MW-62 07/28/10 < 176 MW-62 08/04/10 < 180 MW-62 08/10/10 3150 + 372 MW-62 08/17/10 185 MW-62 08/25/10 192 MW-62 09/28/10 185 MW-62 10/13/10 163 < 0.6 < 2.2 < 0.8 28.0 +/- 4.0 < 1.6 MW-62 11/16/10 168 MW-62 12/14/10 161 MW-631 07/21/10 169 MW-631 07/27/10 163 MW-631 08/03/10 187 MW-631 08/11/10 188 MW-631 08/18/10 186 MW-631 08/24/10 195 MW-631 10/14/10 174 < 0.4 < 1.8 < 0.5 7.3 +/- 1.9 < 1.6 MW-64 03110/10 12100 +/- 1260 MW-64 03/17/10 6210 +/- 1210 MW-64 03/24/10 2400 +/- 894 MW-64 03/31/10 2860 +/- 925 MW-64 04/07/10 2040 +/- 257 MW-64 04/14/10 2660 +/- 309 MW-64 04/20/10 2820 +/- 334 MW-64 04/27/10 16800 +/- 1730 MW-64 05/05110 2070 +/- 268 MW-64 05/12/10 7040 +/- 753 MW-64 05/19/10 16200 +/- 1660 < 0.9 MW-64 05/25/10 5130 +/- 966 MW-64 06/02/10 4820 +/- 540 MW-64 06/08/10 6520 +/- 701 MW-64 06/15/10 13200 +/- 1370 MW-64 06/22/10 10200 +/- 1060 MW-64 06/29/10 7500 +/- 791 MW-64 07/07/10 8910 +/- 934 B-1I

TABLE B-1I. CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-64 07/14/10 16700 +/- 1720 MW-64 07/21/10 14400 +/- 1480 MW-64 07/27/10 8410 +/- 885 MW-64 08/03/10 11700 +/- 1220 MW-64 08/11/10 12400 +/- 1290 MW-64 08/18/10 13400 +/- 1380 MW-64 08/24/10 39900 +/- 4030 MW-64 08/24/10 46400 +/- 4680 MW-64 09/08/10 28100 +/- 2850 MW-64 09/22/10 24400 +/- 2480 MW-64 09/29/10 31200 +/- 3160 MW-64 10/13/10 15300 +/- 1580 < 0.6 2 +/-1.4 < 0.8 14.5 +/- 2.4 < 1.5 MW-64 10/27/10 15100 +/- 1550 MW-64 11/10/10 6780 +/- 736 MW-64 11/23/10 6470 +/- 798 MW-64 12/15/10 6810 +/- 724 MW-65 03/10/10 < 162 MW-65 03/17/10 < 164 MW-65 03/24/10 < 172 MW-65 03/30/10 < 170 MW-65 04/06/10 < 168 MW-65 04/13/10 < 164 MW-65 04/21/10

• 156 MW-65 04/28/10 < 157 MW-65 05/05/10 < 174 MW-65 05/11/10 < 174 MW-65 05/18/10 < 152 MW-65 05/26/10 < 178 MW-65 06/02/10 < 181 MW-65 06/08/10 < 170 MW-65 06/16/10 < 149 MW-65 06/22/10 < 163 MW-65 06/29/10 < 191 MW-65 07/07/10 < 161 MW-65 07/13/10 < 180 MW-65 07/21/10 < 167 MW-65 07/28/10 < 174 MW-65 08/03/10 < 183 MW-65 08/10/10 < 188 MW-65 08/17/10 < 185 MW-65 08/24/10 < 192 MW-65 09/28/10 < 182 MW-65 10/12/10 < 171 < 0.6 < 1.8 < 1.5 15.4 +/- 3.3 < 1.8 MW-65 11/16/10 < 156 MW-65 12/14/10 < 181 MW-661 07/21/10 < 166 MW-661 07/29/10 < 178 MW-661 08/05/10 < 183 MW-661 08/10/10 < 185 MW-661 08/17/10 321 +/- 135 MW-661 08/25/10 < 193 MW-661 10/12/10 < 183 < 0.8 < 0.7 < 0.6 6.5 +/- 1.5 < 1.5 MW-67 03/10/10 600000 +/- 59600 B-12

TABLE B-1.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-67 03/17/10 723000 +/- 72400 MW-67 03/24/10 799000 +/- 79800 MW-67 03/30/10 797000 +/- 80100 MW-67 04/06/10 842000 +/- 83900 MW-67 04/13/10 950000 +/- 92700 MW-67 04/20/10 643000 +/- 62800 MW-67 04/28/10 848000 +/- 82600 MW-67 05/04/10 702000 +/- 68700 MW-67 05/12/10 893000 +/- 85000 MW-67 05/12/10 885000 +/- 84400 < 0.6 MW-67 05/18/10 823000 +/- 81400 MW-67 05/27/10 899000 +/- 88200 MW-67 06/03/10 925000 +/- 90700 MW-67 06/09/10 915000 +/- 86200 MW-67 06/15/10 941000 +/- 91400 MW-67 06/23/10 781000 +/- 75300 MW-67 06/29/10 693000 +/- 68600 MW-67 07/07/10 790000 +/- 76500 MW-67 07/13/10 844000 +/- 79400 MW-67 07/21/10 647000 +/- 63100 MW-67 07/28/10 696000 +/- 69100 MW-67 08/04/10 739000 +/- 71600 MW-67 08/10/10 677000 +/- 64900 MW-67 08/17/10 660000 +/- 65300 MW-67 08/25/10 626000 +/- 62300 MW-67 08/31/10 655000 +/- 64600 MW-67 09/08/10 569000 +/- 55900 MW-67 09/15/10 457000 +/- 45300 MW-67 09/22/10 500000 +/- 49700 MW-67 09/29/10 591000 +/- 58200 MW-67 10/06/10 755000 +/- 74200 MW-67 10/14/10 294000 +/- 27200 < 0.7 < 1.3 4.1 +/- 2.4 7.8 +/- 1.7 9.8 +/- 2.0 MW-67 10/14/10 298000 +/- 29700 < 0.9 < 1.4 6.2 +/- 2.7 10.8 +/- 1.9 9.0 +/- 2.0 MW-67 10/20/10 305000 +/- 5340 MW-67 10/27/10 258000 +/- 25600 MW-67 11/03/10 1200000 +/- 118000 MW-67 11/10/10 736000 +/- 73100 MW-67 11/17/10 633000 +/- 61800 MW-67 11/23/10 617000 +/- 60800 MW-67 12/15/10 808000 +/- 79800 MW-681 07/21/10 168 MW-681 07/29/10 179 MW-681 08/05/10 177 MW-681 08/10/10 184 MW-681 08/17/10 182 MW-681 08/25/10 162 MW-681 10/12/10 184 < 0.7 < 0.8 < 0.6 2.9 +/- 1.4 < 1.6 MW-691 07/21/10 167 MW-691 07/28/10 176 MW-691 08/04/10 181 MW-691 08/10/10 151 MW-691 08/17/10 181 MW-691 08/25/10 165 B-13

TABLE B-1.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MW-691 10/12/10

• 181 < 0.6 < 0.6 < 0.6 2.3 +/- 1.2 < 1.5 MW-701 07/21/10

• 166 MW-701 07/28/10

• 176 MW-701 08/04/10

• 183 MW-701 08/10/10

• 149 MW-701 08/17/10 <194 MW-701 08/25/10

• 196 MW-701 10/12/10

• 181 < 0.7 < 0.7 1.1 +/- 0.7 4.0 +/- 1.3 < 1.6 MW-71 08/10/10 1010 +/- 163 MW-71 08/11/10 962 +/- 157 MW-71 08/18/10 931 +/- 153 MW-71 10/13/10 457 +/- 126 < 0.7 - < 2.3

• 0.8 33.0 +/- 3.8 < 1.6 MW-71 10/13/10 448 +/- 128 < 0.7 < 2.0

• 2.3 28.0 +/- 3.4 1.9 +/- 1.1 MW-72 08/10/10 < 150 MW-72 08/18/10 < 172 MW-72 10/13/10 < 176

• 0.8 5.9 +/- 3.8 2.2 +/- 1.0 27.6 +/- 3.7 6.0 +/- 1.5 MW-72 10/13/10 < 178

• 0.8 8.6 +/- 4.4 < 0.6 32.3 +/- 4.0 5.7 +/- 1.4 VAULT 1 05/21/10 2370 +/- 295 GORILLA PIT 05/14/10 18400 +/- 1890 W-1 04/27/10 < 152 W-10 04/27/10 < 167 W-10 10/12110 <174 < 0.6 < 1.0 1.6 +/- 0.8 5.0 +/- 1.6 < 1.6 W-12 04/28/10 < 166 W-1 2 10/12/10 < 182 < 0.7 < 1.2 4.3 +/- 1.6 5.3 +/- 1.6 5.5 +/- 1.5 W-1 3 04/28/10 < 163 W-13 10/12/10 < 176 < 0.9 < 0.7 4.1 +/- 1.7 3.1 +/- 1.3 6.2 +/- 1.6 W-14 04/27/10 TBE < 169 W-14 04/27/10 TBE < 168 W-14 04/27/10 EIML < 151 W-14 10/13/10 < 181 < 0.9 < 0.6 < 0.6 3.2 +/- 1.3 < 1.6 W-1 5 04/27/10 < 166 W-1 5 10/13/10 < 174 < 0.9 < 0.9 < 0.5 5.1 +/- 1.5 < 1.5 W-1 6 04/28/10 < 153 W-16 10/13/10 < 182 < 0.6 < 0.9 < 0.6 4.9 +/- 1.5 < 1.6 W-1 7 06/18/10 < 155 W-1A 04/28/10 <154 W-24 04/27/10 < 175 W-24 10/12/10 < 185 < 0.9 < 1.1 2.9 +/- 1.2 2.7 +/- 1.4 7.9 +/- 1.6 W-2A 04/28/10 < 150 W-2B 04/28/10 < 170 W-2C 04/27/10 < 151 W-2C 06/18/10 < 159 W-2K 04/27/10 < 157 W-3 01/27/10 < 150 W-3 02/23/10 < 193 W-3 03/22/10 < 168 W-3 04/27/10 TBE < 158 W-3 04/27/10 TBE < 166 W-3 04/27/10 TBE < 159 W-3 04/27/10 EIML < 151 W-3 05/25/10 < 178 W-3 06/30/10 < 171 W-3 07/27/10 < 163 B-14

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

W-3 08/24/10 1310 +/- 208 W-3 08/24/10 1450 +/- 212 W-3 09/28/10

• 187 W-3 10/12/10

• 169 <0.6 <2.2

• 1.5 3.1 +/- 1.5 3.4 +/- 1.4 W-3 11/16/10 <154 W-3 12/14/10

• 164 W-34 10/12/10

• 180 <0.9 <0.6

• 0.5 < 1.6 < 1.5 W-3C 06/15/10

• 161 W-3K 06/15/10

• 160 W-4 01/27/10

• 151 W-4 02/24/10

• 190 W-4 03/22/10

• 173 W-4 04/27/10

• 153 W-4 04/27/10

• 160 W-4 05/25/10

• 176 W-4 06/30/10

• 171 W-4 07/27/10

• 163 W-4 08/24/10 <194 W-4 09/28/10

• 185 W-4 10/12/10

• 171 < 0.6 < 1.7

• 1.2 12.3 +/- 2.4 < 1.7 W-4 11/16/10 383 +/- 115 W-4 11/16/10 293 +/- 119 W-4 11/16/10 377 +/- 118 W-4 12/14/10 < 163 W-4A 04/27/10 < 153 W.-4B 04/27/10 < 155 W-4C 06/15/10 < 159 W-4K 01/06/10 < 161 W-4K 01/26/10 < 150 W-4K 02/24/10 < 197 W-4K 03/22/10 < 170 W-4K 04/27/10 TBE < 170 W-4K 04/27/10 TBE < 169 W-4K 04/27/10 TBE < 159 W-4K 04/27/10 EIML < 151 W-4K 05/26/10 < 175 W-4K 06/15/10 < 158 W-4K 06/30/10 < 174 W-4K 07/28/10 < 174 W-5 01/27/10 <154 W-5 02/24/10 < 193 W-5 03/22/10 < 168 W-5 04/28/10 TBE < 155 W-5 04/28/10 TBE < 169 W-5 04/28/10 EIML < 151 W-5 04/28/10 < 160 W-5 05/27/10 < 175 W-5 06/29/10 < 166 W-5 07/28/10 < 161 W-5 08/24/10 < 192 W-5 09/28/10 < 185 W-5 10/12/10 < 167 < 0.8 3.8 +/- 1.3 < 0.7 14.7 +/- 1.9 < 1.5 W-5 11/16/10 < 158 B-15

TABLE B-I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

W-5 12/14/10 < 162 W-5C 09/15/10 < 164 W-5C 10/14/10 < 175 < 0.8 3. 3 +/- 1.2 < 0.5 5.5 +/- 1.4 < 1.5 W-5K 09/15/10 < 165 W-5K 10/14/10 < 176 < 0.6 < 1.2 < 0.5 6.2 +/- 1.7 < 1.6 W-6 01/27/10 < 151 W-6 02/23/10 < 194 W-6 03/22/10 < 171 W-6 04/28/10 < 153 W-6 04/28/10 < 157 W-6 05/27/10 < 178 W-6 06/29/10 < 172 W-6 07/28/10 < 163 W-6 08/24/10 < 194 W-6 09/28/10 < 186 W-6 10/12/10 < 173 <0.4 < 1.3 30.5 +/- 9.2 9.0 +/- 2.0 18.9 +/- 3.3 W-6 11/16/10 < 155 W-6 12/14/10 < 168 W-7 04/27110 < 155 W-7 10/12/10 < 183 < 0.8 7.4 +/- 2.9 < 0.5 16.6 +/- 2.4 < 1.5 W-73 BATCH TANK 10/20/10 3420 +/- 393 < 0.7 < 13.9 32.7 +/- 13.7 < 22.6 91.5 +/- 17.4 W-9 04/27/10 < 166 W-9 10/13/10 < 176 <0.6 <2.0 1.5 +/- 0.8 14.0 +/- 3.0 < 1.6 B-16

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD LW-3 10/14/10 <3 <3 <6 <3 <5 <3 <5 <13 <2 <3 < 24 <7 LW-4 10/14/10 <3 <4 <8 <4 <7 <4 <7 <12 <3 <3

• 26 <9 MW-15K-lA 01/05/10 <1 <1 <4 <1 <2 <2 <3

• 60 <1 <1 < 44 <14 MW-15K-iA 01/12/10 <1 <2 <4 <1 <2 <2 <3 < 39 <1 <1

• 40 < 12 MW-I!5K-iA 01/19110 <1 <2 <4 <2 <3 <2 <3 < 24 <1 <2

• 29 <9 MW-15K-iA 01/26/10 <1 <2 <4 <1 <3 <2 <4 < 137 <1 <1 < 79 < 25 MW-15K-iA 02/02/10 <1 <1 <4 <1 <3 <2 <3 < 88 <1 <1 < 60 < 21 MW-15K-iA 02/09/10 <1 <2 <5 <2 <3 <2 <3 < 51 <1 <1 < 43

• 14 MW-15K-iA 02/16/10 <1 <2 <4 <1 <3 <2 <3 < 32 <1 <1 < 34 < 11 MW-15K-lA 02/24/10 <1 <1 <3 <1 <2 <1 <2 < 15 <1 <1 < 21 <5 MW-15K-iA 03/02/10 <1 <1 <3 <1 <2 <1 <2 <9 <1 <1

• 14 <4 MW-15K-iA 03/09/10 <1 <1 <4 <1 <2 <2 <3 < 25 <1 <1

• 30 <10 I* MW-15K-iA 03/16/10 <1 <1 <2 <1 <2 <1 <2 <13 <1 <1

• 17 <4 MW-15K-1A 03/23/10 <1 <1 <4 <1 <2 <2 <3

• 98 <1 <1

• 63 < 16 MW-15K-1A 03/31/10 <1 <1 <4 <1 <2 <2 <3 < 47 <1 <1 < 39 <11 MW-15K-1A 04/06/10 <1 <1 <4 <1 <3 <2 <3 < 45 <1 <1 < 39 < 13 MW-15K-1A 04/14/10 <1 <1 <4 <1 <2 <1 <3 < 24 <1 <1 < 27 <9 MW-15K-1A 04/20/10 <1 <1 <3 <1 <2 <2 <3 < 17 <1 <1 < 20 <7

<3 <1 MW-15K-1A 04/27/10 <1 <1 <2 <1 <2 <9 <1 <1 < 13 <4 MW-15K-1A 05/04/10 <2 <2 <4 <2 <4 <2 <3 < 12 <2 <2 <21 <5 MW-15K-iA 05/11/10 <3 <3 <7 <3 <6 <3 <6 <14 <3 <3

• 27 <8 MW-15K-IA 05/19/10 <4 <4 <9 <4 <8 <5 <8 <12 <4 <4

• 27 <9 MW-15K-iA 05/25/10 <3 <3 <7 <4 <6 <3 <6 <13 <3 <3

• 25 <9 MW-15K-iA 06/02/10 <3 <4 <8 <3 <7 <4 <7 <10 <4 <4 < 24 <6 MW-15K-iA 06/08/10 <2 <2 <4 <2 <3 <2 <4 < 10 <2 <2

• 19 <4 MW.-15K-1A 06/15/10 <5 <5 <10 <5 <9 <5 <9

• 14 <4 <5 < 32 <11 MW-15K-iA 06/22/10 <2 <2 <4 <2 <3 <'2 <3 <6 <2 <2 <13 <3 MW-15K-iA 06/30/10 <1 <2 <3 <1 <3 <2 <4 < 14 <1 <2 < 18 <6 MW-15K-iA 07/07/10 <2 <2 <4 <1 <3 <2 <3 <9 <2 <2 <17 <5 MW-15K-1A 07/13/10 <3 <3 <7 <3 <5 <3 <5 < 15 <2 <3 < 28 <9 MW-15K-1A 07/21/10 <8 <8 <12 <9 <19 <8 <12 < 12 <8 <8 <34 < 13 MW-15K-1A 07/27/10 <4 <4 <8 <4 <7 <4 <7 <8 <4 <4 < 21 <6 MW-15K-IA 08/04/10 <6 <6 <13 <7 < 12 <6 < 10 <11 <5 <6

• 31 < 10 MW-15K-1A 08/11/10 <4 <4 <10 <4 <9 <5 <8 <14 <4 <4

• 30 <9 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-15K-IA 08/18/10 <5 <5 < 11 <5 < 10 <5 <8 '14 <5 <6

• 31 < 10 MW-15K-IA 08/24/10 <4 <5 <9 <4 <8 <5 <8 <15 <4 <4 < 31 < 10 MW-15K-IA 10/13/10 <4 <4 <8 <4 <7 <4 <7 <11 <4 <4 < 24 <7 MW-16D 10/13/10 <4 <5 <9 <5 <9 <5 <8 <15 <4 <5 < 33 < 11 MW-1A-2A 10/13/10 <4 <5 <9 <5 <9 <5 <9 <15 <4 <5 < 32 < 10 MW-II-1A 01/27/10 <1 <2 <5 <1 <3 <2 <4 <141 <1 <1 <84

• 25 MW-II-1A 02/24/10 <1 <2 <4 <1 <2 <2 <3 <31 <1 <1 < 33 <8 MW-II-1A 03/22/10 <1 <1 <3 <1 <2 <1 <2 <19 <1 <1 < 20 <7 MW-iI-IA 10/12/10 <2 <2 <4 <2 <3 <2 <4 '6 <2 <2 < 14 <3 MW-iI-2A 01/27/10 <1 <2 <6 <2 <3 <2 < 4 <133 <1 <1 < 83 < 23 MW-11-2A 02/24/10 <1 <1 <4 <1 <2 <2 <3 <34 <1 <1 < 30 < 11 MW-1 1-2A 03/22/10 <1 <1 <3 <1 <2 <2 <2 <18 <1 <1 < 24 <5 S MW-1 I-2A 10/12/10 <4 <S <9 <5 <9 <5 <8 <13 <4 <4

• 30 < 10

- MW-50' 01/05/10 <1 <1 <4 <1 <3 <2 <3 <61 <1 <1 < 46 < 16 00 MW-50 01/12/10 <1 <1 <3 <1 <2 <1 <2 <31 <1 <1 < 26 <9 MW-50 01/19/10 <1 <2 <3 <1 <3 <2 <3 <23 <1 <1 < 30 <8 MW-50 01/26/10 <1 <2 <4 <1 <2 <2 <3 < 143 <1 <2 < 82

• 26 MW-50 02/02/10 <1 <2 <5 <1 <3 <2 <4 < 101 <1 <1 < 65 < 16 MW-50 02/09/10 <1 <2 <4 <1 <3 <2 <3 <54 <1 <2 < 46 < 15 MW-50 02/16/10 <1 <1 <3 <1 <2 <1 <3 <25 <1 <1 < 26 <8 MW-50 02/24/10 <1 <1 <3 <1 <2 <1 <3 <16 <1 <1 < 21 <7 MW-50. 03/02/10 <1 <1 <3 <1 <3 <1 <2 <11 <1 <1

• 16 <4 MW-50 03/09/10 <1 <2 <3 <1 <3 <1 <3 <27 <1 <1 < 31 <8 MW-50 03/16/10 <1 <1 <3 <1 <2 <1 <2 <15 <1 <1 < 17 <5 MW-50 03/23/10. <1 <2 <4 <.1 .< 2 <2 <3 <88 <1 <1 < 57 < 17 MW-50 03/31/10 <1 <1 <3 <1 <2 <1 <2 <42 <1 <1 < 35 < 10 MW-50 04/07/10 <2 <2 <5 <1 <3 <2 <4 < 53 <1 <1 < 46 < 11 MW-50 04/14/10 <1 <1 <3 <1 <2 <1 < 2 <23 <1 <1

• 25 <9 MW-50 04/21/10 <1 <1 < 3 <1 <2 <1 <3 <14 <1 <1 < 20 <6 MW-50 04/28/10 <2 <2 <6 <2 <5 <3 <5 <20 <2 <2

• 28 < 10 MW-50 05/04/10 <4 <4 < 11 <6 <9 <5 <8 <26 <4 <5 < 44 < 11 MW-50 05/11/10 <5 <5 <11 <5 <12 <7 <10 <18 <6 <7 <42 <12 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-50 05/12/10 <2 <2 <5 <2 <4 <3 <4 <11 <2 <2 < 23 <6 MW-50 05/26/10 <6 <6 <12 <5 <11 <7 < 11 <23 <5 <7 < 47 < 15 MW-50 06/02/10 <4 <4 <7 <3 <9 <5 <8 <12 <4 <4 < 25 <6 MW-50 06/08/10 <4 <4 <9 <6 <8 <4 <8 <18 <4 <5 < 38 < 13 MW-50 06/15/10 <5 <5 <10 <5 <8 <5 <9 <-16 <4 <5 < 36 < 11 MW-50 06/22/10 <5 <5 <11 <5 <13 <6 < 10 < 17 <5 <6 < 42 < 11 MW-50 10/13/10 <6 <5 <12 <5 <10 <6 < 10 < 14 <5 <6 < 35 < 11 MW-51 01/19/10 <5 <5 <12 <5 <8 <7 < 11 < 80 <5 <5 < 107 < 33 MW-51 01/26/10 <1 <3 <6 <1 <3 <2 <4 <144 <1 <1 < 100 < 32 MW-51 02/02/10 <5 <7 <16 <4 <10 <8 < 12 < 292 <4 <5 < 219 < 66 MW-51 02/09/10 <6 <8 <14 <5 <12 <8 < 15 < 244 <6 <5 < 205 < 47 MW-S1 02/16/10 <1 <1 <3 <1 <2 <1 <2 <23 <1 <1 < 25 <7

, MW-51 02/23/10 <3 <3 <7 <2 <5 <3 <5 <36 <2 <3 < 43 < 12 MW-51 03/02/10 <1 <1 <2 <1 <2 <1 <2 <8 <1 <1 < 12 <3 MW-51 03/09/10 <1 <1 <2 <1 <2 <1 <2 <18 <1 <1 < 19 <6 MW-51 03/16/10 <1 <2 <4 <1 <2 <2 <3 <26 <1 <2 < 28 <6 MW-51 03/23/10 <1 <2 <4 <1 <3 <2 <3 <90 <1 <1 < 61 < 20 MW-51 03/30/10 <1 <1 <3 <1 <2 <1 < 3 <49 <1 <1 < 42 < 11 MW-51 04/06/10 <1 <2 <4 <2 <2 <2 <3 <41 <1 <1 < 40 < 12 MW-51 04/13/10 <1 <1 <3 <1 <2 <1 <2 <24 <1 <1 < 26 <8 MW-51 04/20/10 <1 <1 <2 <1 <2 <1 <2 <12 <1 <1 < 18 <4

<1 <1 <3 <1 <2 <1 <2 <9 <1 <1 < 15 <4 MW-51 04/27/10 MW-51 05/04/10 <2 <2 <4 <2 <4 <2 <4 <10 <2 <2 < 21 <5

<8 <8 < 14, " 7* < 12 < 32 <7 <9 < 60 < 20 MW-51 05/25/10 <17* 7 MW-51 06/02/10 <5 <6 <12 <6 <11 <6 < 12 < 18 <6 <7 < 45 < 10 MW-52 01/05/10 <1 <2 <6 <1 <3 <2 < 4 < 332 <1 <1 < 142 < 40 MW-52 01/12/10 <1 <2 <4 <<1 <2 <2 <3 < 152 <1 <1 < 90 < 27 MW-52 01/19/10 <2 <2 <5 <2 <3 <2 <4 < 118 <1 <2 < 83 < 22

<1 <2 < 18 MW-52 01/26/10 <4 < 1 <2 <2 <3 < 102 <1 <1 < 63

<1 <2 <1 < 50 < 16 MW-52 02/02/10 <4 <1 <3 <2 <3 <76 <2 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-4.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-52 02/09/10 <1 <2 <4 <1 <2 <2 <3 <39 <1 <1 < 40 < 12 MW-52 02/16/10 <1 <1 <4 <1 <2 <1 <2 <41 <1 <1 < 32 < 11 MW-52 02/23/10 <1 <2 <4 <1 <3 <2 <3 <32 <1 <1 < 32 <8 MW-52 03/02/10 <2 <2 <4 <1 <3 <2 <4 <38 <2 <2 < 42 <8 MW-52 03/09/10 <1 <2 <3 <1 <3 <2 <3 <12 <1 <1 < 23 <5 MW-52 03/16/10 <1 <1 <3 <1 <2 <1 <2 <15 <1 <1 < 20 <5 MW-52 03/23/10 <1 <1 <2 <1 <2 <1 <2 <15 <1 <1 < 17 <5 MW-52 03/30/10 <1 <2 <4 <1 <3 <2 <3 <14 <1 <2 < 20 <6 MW-52 04/06/10 <2 <2 <5 <2 <4 <2 <4 <9 <2 <2 < 18 <6 MW-52 10/13/10 <5 <5 <12 <6 < 11 <6 < 10 < 11 <5 <6 < 29 < 10 MW-53 01/05/10 <2 <2 <5 <1 <3 <3 <4 < 327 <2 <2 < 157 < 55 MW-53 01/12/10 <1 <2 <4 <1 <3 <2 <3 <154 <1 <1 < 84 < 25 C0 MW-53 01/19/10 <1 <1 <4 <1 <2 <2 <2 < 72 <1 <1 < 47 < 17 MW-53 01/26/10 <1 <1 <4 <1 <2 <2 <2 <93 <1 <1 < 56 < 15 MW-53 02/02/10 <1 <2 <4 <1 <2 <2 <4 <76 <1 <1 < 56 <18 MW-53 02/09/10 <1 <2 <3 <1 <2 <2 <3 <31 <1 <1 < 34 < 10 MW-53 02/16/10 <1 <1 <3 <1 <2 <1 <2 <48 <1 <1 < 36 < 12 MW-53 02/23/10 <1 <2 <4 <2 <3 <2 <3 <40 <1 < 39 < 12

<1 MW-53 03/02/10 <1 <2 <4 <1 <3 <2 <3 <22 <1 < 28 <8

<1 MW-53 03/09/10 <1 <1 <3 <1 <3 <1 <2 <13 <1 < 18 <5

<1 MW-53 03/16/10 <1 <1 <3 <1 <2 <1 <2 <17 <1 <1 < 20 <7 MW-53 03/23/10 <1 <1 <2 <1 <2 <1 <2 <12 <1 < 17 <5

<1 MW-53 03/30/10 <2 <2 <5 <2 <5 <3 <4 <18 <2 <2 < 27 <9 MW-53 04/06/10 <2 <2 <5 <2 <4 <3 <4 <10 <2 <2 < 19 <6 MW-53 05/18/10 <5 <5 <10 <5 < 10 <5 < 10 < 14 <5 <5 < 32 <9 MW-53 06/02/10 <7 <8 <15 <8 < 16 <8 < 13 < 19 <8 <9 < 52 < 14 MW-53 10/12/10 <4 <5 <9 <5 <9 <5 <8 <11 <4 <4 < 27 <9 MW-54 01/05/10 <1 <2 <7 <1 <2 <2 <4 < 303 <1 <1 < 144 <44 MW-54 01/12/10 <1 <2 <5 <1 <3 < 2 <4 < 177 <1 <1 < 107 < 30

<1 <2 MW-54 01/19/10 <3 <1 <3 <2 < 3 <24 <1 <1 < 27 <8 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS INGROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-54 01/26/10 <1 <2 <5 <1 <2 <2 <3 < 123 <1 <1 < 86 < 22 MW-54 02/02/10 <1 <2 <4 <1 <2 <2 <3 <65 <1 <1 < 50 < 15 MW-54 02/09/10 <1 <2 <4 <1 <3 <2 <3 <40 <1 <1 < 42 < 14 MW-54 02/16/10 <1 <2 <4 <1 <2 <1 <2 <27 <1 <1 < 28 <8 MW-54 02/23/10 <1 <1 <3 <1 <2 <1 <2 <15 <1 <1 < 19 <4 MW-54 03/02/10 <1 <1 <3 <1 <2 <1 <2 <12 <1 <1 < 16 <4 MW-54 03/09/10 <1 <2 <3 <1 <3 <2 <4 <42 <2 <2 < 42 <9 MW-54 03/16/10 <1 <1 <2 <1 <2 <1 <2 <15 <1 <1 < 19 <5 MW-54 03/23/10 <1 <2 <5 <1 <2 < 2 <3 <95 <1 <1 < 63 < 20 MW-54 03/30/10 <2 <2 <6 <2 <5 <3 <5 <17 <2 <2 < 28 <9 MW-54 04/06/10 <2 <2 <4 <2 <4 <2 <4 <8 < 2 <2 < 16 <5 MW-54 04/20/10 <1 <2 <3 <1 <3 <2 <3 <20 <1 <1 < 25 <6

- MW-54 06/02/10 <7 <7 < 15 <11 < 15 <8 < 12 < 19 <7 <8 < 47 < 12 MW-54 10/13/10 <2 <2 <5 <3 < 5 <2 <5 <8 <2 <3 < 17 <5 MW-55 01/05/10 <1 <1 <4 <1 <2 <2 <2 <53 <1 <1 < 38 < 11 MW-55 01/12/10 <1 <2 <5 <1 <2 <2 <3 <45 <1 <2 < 39 < 10 MW-55 01/19/10 <1 <1 <3 <1 <2 <2 <3 <24 <1 <2 < 28 <7 MW-55 01/26/10 <1 <2 <5 <2 <3 <2 <4 < 155 <1 <1 < 90 < 23 MW-55 02/02/10 <1 <2 <5 <1 <3 <2 <3 <81 <1 <1 <64 < 18 MW-55 02/09/10 <1 <2 <4 <1 <3 <2 <4 < 63 <1 <2 < 52 < 15 MW-55 02/16/10 <1 <2 <3 <1 <2 <2 <3 <28 <1 <1 < 28 <8 MW-55 02/24/10 <1 <1 <3 <1 <2 <1 <2 <13 <1 <1 < 19 <5 MW-55 03/02/10 <1 <1 <4 <1 < 3 <2 <3 <14 <1 <1 < 20 <6 MW-55 03/09/10 <1 <2 <4 <2 < 3 <3 <28 <1 <1 < 30 <8

<2 MW-55 03/16/10 <1 <1 <3 <1 <3 <3 <15 <1 <1 < 22 <7

<2 MW-55 03/23/10 <1 <1 <5 <1 <2 <3 <98 <1 <1 < 67 <17 MW-55 <1 <1 <3 <1 <2 <1 <2 <44 <1 <1 < 35 < 10 03/31/10 MW-55 04/07/10 <1 <2 <4 <1 <3 <2 <3 <38 <1 <1 < 40 <9 MW-55 04/14/10 <1 <1 <3 <1 <2 <1 <2 <23 <1 <1 < 27 <7 MW-55 04/21/10 <2 <2 <5 <2 < 3 <2 <4 <20 <2 <2 < 29 <9 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-55 04/27/10 <1 <2 <3 <2 <3 <2 <3 <11 <1 <2 < 17 <6 MW-55 05/04/10 <7 <6 < 13 <6 < 14 <7 < 12 < 36 <6 <7 < 67 < 17 MW-55 05/11/10 <4 <4 <8 <4 <7 <4 <8 <15 <4 <4 < 31 <8 MW-55 05/12/10 <3 <3 <7 <3 <6 <4 <6 <15 <3 <3 < 26 <9 MW-55 05/19/10 <5 <5 < 11 <6 < 11 <5 <9 <13 <5 <6 < 30 <8 MW-55 05/26/10 <5 <5 < 10 <4 <9 <5 <9 <21 <5 <5 < 38 < 13 MW-55 06/02/10 <7 <7 < 13 <7 < 14 <8 < 13 < 19 <7 <8 < 45 < 14 MW-55 06/08/10 <4 <4 <8 <4 <7 <4 <7 <18 <4 <3 < 36 < 10 MW-55 06/15/10 <5 <6 < 11 <6 < 12 <6 <11 <18 <6 <6 < 44 < 11 MW-55 06/22/10 <6 <6 < 13 <6 < 12 <7 < 11 <22 <7 <7 < 47 < 13 MW-55 10/13/10 <4 <4 <9 <4 <8 <5 <8 <13 <4 <5 < 30 <9 x MW-561 01/05/10 <1 <2 <4 <1 <3 <2 <3 <70 <1 <1 < 50 < 17 t* MW-561 01/12/10 <1 <2 <5 <2 <2 <2 <3 <45 <1 <1 < 43 < 13 MW-561 01/19/10 <1 <2 <4 <2 <3 <2 <3 <26 <1 <1 < 30 <7 MW-561 01/26/10 <1 <2 <5 <1 <3 <2 <3 < 162 <1 <1 < 89 < 30 MW-561 02/02/10 <2 <2 <5 <1 <3 <2 <4 <84 <1 <1 < 72 < 23 MW-561 02/09/10 <1 <1 <3 <1 <2 <1 <2 <33 <1 <1 < 29 <9 MW-561 02/16/10 <1 <2 <4 <1 <3 <2 <3 <33 <1 <1 < 36 <8 MW-561 02/23/10 <1 <1 <3 <1 <2 <1 <2 <14 <1 <1 < 18 <6 MW-561 03/02/10 <1 <1 <3 <1 <2 <1 <2 <10 <1 <1 < 16 <5 MW-561 03/09/10 <1 <1 <3 <1 <2 <1 <3 <27 <1 <1 < 32 <9 MW-561 03/16/10 <1 <1 <3 <1 <2 <1 <2 <15 <1 <1 < 19 <6 MW-561 03/23/10 <1 <1 <4 <1 <2 <2 <3 < 84 <1 <1 < 53 < 14 MW-561 03/31/10 <1 <1 <3 <1 <2 < 2 < 39 <1 <1 < 27 < 10 MW-561 04/06/10 <1 <2 <3 <1 <3 <1 <3 <40 <1 <1 < 34 < 11 MW-561 <1 04/14/10 <1 <1 <3 <1 <2 <2 <21 <1 <1 < 24 <7 MW-561 04/20/10 <2 <2 <5 <2 <4 <2 <3 <22 <1 <2 < 30 <8 MW-561 <2 04/27/10 <1 <1 <4 <3 <1 <3 <9 <1 <1 < 17 <5 MW-561 05/04/10 <6 <7 < 13 <6 < 10 <7 < 13 <29 <5 <5 < 59 < 19 MW-561 05/11/10 <4 <4 <9 <4 <8 <5 <8 <14 <4 <5 < 33 <8 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-1.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD IMW-561 05/12/10 <2 <2 <5 <2 <4 <2 <4 <11 <2 <2 <21 <6 MW-561 05/18/10 <5 <5 <10 <5 <9 <5 <9

• 14 <5 <6 < 31 <8 MW-561 05/25/10 <4 <4 <8 <3 <7 <5 <7 < 17 <4 <4 < 37

• 10 MW-561 0.6/02/10 <6 <6 <12 <5 <13 <7 <10 *14 <5 <6

• 36 < 12 MW-561 06/08/10 <5 <5 < 11 <4 <10 <6 <10 < 25 <5 <6 < 46 < 14 MW-561 06/15/10 <4 <4 <9 <4 <9 <5 <8 *13 <4 <4 < 29 <8 MW-561 06/22/10 <5 <4 <9 <4 <8 <5 <9 < 16 <4 <5 <34 <8 MW-561 10/14/10 TBE < 4 <4 <9 <5 <8 <5 <8 < 12 <4 <4 < 28 <8 MW-561 10/14/10 TBE < 4 <4 <9 <4 <8 <4 <7 <11 <4 <4 < 25 <9 MW-561 10/14/10 EIML < 2 <2 <5 <2 <5 <3 <4 < 12 <2 <2 <21 <6 MW-571 01/05/10 <1 <2 <4 <1 <2 <2 <3 < 64 <1 <1 < 50 < 11 MW-571 01/12/10 <1 <2 <4 <1 <3 <2 <3 < 45 <1 <1 < 39 <12 w-MW-571 01/19110 <1 <2 <3 <1 <3 <2 <3 < 26 <1 <1 < 28 <8 MW-571 01/26/10 <1 <2 <5 <1 <2 <2 <3 < 135 <1 <1 < 77 < 26 MW-571 02/02/10 <1 <2 <5 <1 <2 <2 <4 < 94 <1 <1 < 73 <18 MW-571 02/09/10 <1 <2 <4 <1 <2 <2 <3 < 49 <1 <1 < 37 < 13 MW-571 02/16/10 <1 <1 <2 <1 <1 <1 <2 < 17 <1 <1 <17 <4 MW-571 02/24/10 <1 <1 <3 <1 <2 <1 <2 < 15 <1 <1 <19 <5 MW-571 03/02/10 <1 <1 <3 <1 <2 <1 <2 < 14 <1 <1 < 17 <4 MW-571 03/09/10 <1 <1 <3 <1 <2 <1 <2 < 23 <1 <1 < 21 <7 MW-571 03/16/10 <1 <1 <3 <1 <2 <1 <2 < 15 <1 <1 < 21 <6 MW-571 03/23/10 <1 <1 <4 <1 <2 <2 <3 < 92 <1 <1 < 59 < 16 MW-571 03/31/10 <1 <1 <4 <1 <2 <2 <3 < 57 <1 <1 < 44 < 12 MW-571 04/07/10 <1 <1 <3 <1 <3 <1 <2 < 32 <1 <1 < 26 <8 MW-571 04/14/10 <1 <2 <4 <1 <3 <2 <3 < 32 <1 <1 < 35 <8 MW-571 04/20/10 <2 <2 <4 <2 < 3 <2 <3 < 20 <1 <2 < 27 <7 MW-571 04/27/10 <7 <12

• 28 < 15

• 19 <13 *19 < 13 <8 <10 < 21 <6 MW-571 05/05/10 <13 <14

• 30 < 13

• 27 < 16

• 26 < 75 < 12 < 12 < 133 < 40 MW-571 05/12/10 <7 <6 *15 <6 *13 <7 <11 < 22 <5 <6 < 45 < 16 MW-571 05/12/10 <3 <3 <6 <3 <6 <3 <6 < 14 <3 <3 < 29 <9 MW-571 05/19/10 <5 <5 <11 <5 *10 <5 <8 <13 <5 <6 < 31 < 10 MW-571 05/25/10 <6 <6 < 12 <4 <12 <7 <11 < 23 <5 <6 < 48 < 15 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-1.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-571 06/02/10 <8 <8 < 15 <8 < 15 <9 < 13 < 18 <7 <8 < 47 < 13 MW-571 06/08/10 <4 <4 < 10 <4 <9 <5 <8 < 22 <4 <5 < 41 < 14 MW-571 06/15/10 <5 <5 < 11 <6 <9 <5 <9 < 13 <4 <5 < 32 < 11 MW-571 06/22/10 <5 <4 < 10 <5 <9 <5 <9 < 16 <4 <4 < 32 < 10 MW-571 10/13/10 <3 <3 <7 <3 <6 <3 <5 <8 <3 <3 < 20 <6 MW-581 07/21/10 <8 <8 < 17 <9 < 17 <8 < 15 < 14 <8 <9 < 38 < 15 MW-581 07/27/10 <4 <4 <9 <4 < 10 <4 <8 <8 <4 <4 < 22 <7 MW-581 08/03/10 <8 <7 < 15 <8 < 15 <8 < 13 < 15 <8 <9 < 39 < 13 MW-581 08/11/10 <3 <3 <7 <3 <7 <4 <6 <9 <3 <3 < 22 <7 MW-581 08/18/10 <3 <3 <7 <3 <6 <3 <6 <7 <3 <3 < 19 <6 MW-581 08/24/10 <5 <5 < 10 <5 <9 <5 <8 < 14 <4 <5 < 31 < 12 MW-581 10/14/10 <2 <2 <4 <2 <4 <2 <4 <9 <2 <2 < 17 <6 MW-591 03/24/10 <1 <2 <5 <1 <3 <2 <4 < 117 <1 <1 < 76 < 22 I. MW-591 03/30/10 <1 <1 <3 <1 <2 <1 <2 < 43 <1 <1 <34 < 12 MW-591 04/06/10 <1 <2 <3 <1 <2 <2 <3 < 35 <1 <1 < 38 < 13 MW-591 04/13/10 <2 <2 <4 <2 <3 <2 <3 < 34 <1 <2 < 35 <8 MW-591 04/21/10 <1 <1 <3 <1 <2 <1 <2 < 14 <1 <1 < 20 <7 MW-591 04/28/10 <2 <3 <6 <2 <5 <3 <5 < 13 <2 <2 < 23 <6 MW-591 05/05/10 <2 <2 <4 <1 <3 <2 <3 <9 <2 <2 < 16 <6 MW-591 05/11/10 <5 <6 < 12 <5 < 12 <6 < 11 < 19 <6 <6 < 41 < 13 MW-591 05/18/10 <4 <4 <9 <5 <7 <4 <7 < 11 <3 <4 < 27 <8 MW-591 05/26/10 <3 <4 <8 <4 <8 <4 <7 < 15 <3 <4 < 31 < 10 MW-591 06/02/10 <4 <4 <8 <4 <8 <5 <8 < 12 <5 <4 < 27 <7 MW-591 06/08/10 <2 <3 <5 <2 <5 <3 <5 < 13 <2 <2 < 23 <8 MW-591 06/16/10 <2 <2 <6 <2 <4 <3 <4 < 13 <2 <2 < 23 <7 MW-591 06/22/10 <2 <2 <5 <2 <4 <3 <4 < 10 <2 <2 < 20 <6 MW-591 06/29/10 <2 <2 <6 <2 <5 <2 <4 < 14 <2 <2 < 24 <8 MW-591 07/07/10 <3 <3 <6 <2 <6 <3 <5 < 12 <3 <3 < 23 <7 MW-591 07/13/10 <2 <3 <5 <3 <4 <2 <5 < 12 <2 <2 < 23 <7 MW-591 07/21/10 < 10 <9 < 17 <7 < 17 <9 < 16 < 15 <8 <9 < 42 < 10 MW-591 07/28/10 <9 <9 < 20 <9 < 19 < 10 < 17 < 15 <9 < 10 < 45 < 14 MW-591 08/03/10 <7 <7 < 14 <9 < 16 <8 < 13 < 14 <7 <7 < 40 < 12 MW-591 08/10/10 <4 <5 <8 <4 <8 <4 <7 < 13 <4 <4 < 29 <7 MW-591 08/17/10 <3 <3 <7 <3 <6 <3 <5 <7 <3 <3 < 18 <5 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-1.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-591 08/24/10 < 4 < 4 <8 <4 <7 <4 <8 <14 <4 <4 < 30 <8 MW-591 10/13/10 < 4 < 5 < 10 <5 < 10 <5 <8 <12 <4 <5 < 30 <9 MW-601 05/18/10 < 5 < 6 < 12 <7 < 11 <5 < 10 < 15 <5 <6 < 35 < 10 MW-601 07/21/10 < 7 < 7 < 15 <6 < 17 <9 < 14 < 12 <7 <8 < 34 < 10 MW-601 07/27/10 < 5 < 5 < 10 <5 < 11 <5 <8 <9 <6 <5 < 24 <8 MW-601 08/03/10 < 6 < 7 < 14 <7 < 15 <7 < 13 < 14 <7 <7 < 39 < 13 MW-601 08/11/10 < 5 < 5 < 12 <6 < 11 <5 < 10 < 15 <5 <5 < 36 < 11 MW-601 08/18/10 < 3 < 3 <7 <3 <7 <4 <6 <7 <3 <3 < 19 <6 MW-601 08/24/10 < 4 < 4 <9 <4 <9 <5 <8 <12 <4 <4 < 29 < 10 MW-601 10/14/10 TBE < 4 < 4 <9 <4 <8 <5 <8 <14 <4 <4 < 30 <9 MW-601 10/14/10 TBE < 3 < 3 <8 <3 <6 <3 <6 <14 <3 <3 < 29 <9 MW-601 10/14/10 EIML < 1 < 2 <3 <2 <3 <1 <3 <9 <2 <1 < 15 <3 tZ MW-611 07/21/10 < 8 < 8 < 16 <8 < 17 <9 < 14 < 14 < 10 <9 < 38 < 11 t MW-611 07/27/10 < 4 < 4 <8 <4 <8 <4 <7 <8 <4 <4 < 22 <6 MW-611 <9 08/03/10 < 7 < 7 < 15 <7 < 15 < 13 < 15 <7 <8 < 38 < 13 MW-611 08/11/10 < 4 < 5 <9 <4 <8 <4 <8 <11 <4 <4 < 28 <9 MW-611 08/18/10 < 3 < 3 <7 <3 <6 <3 <5 <8 <3 <3 < 19 <6 MW-611 08/24/10 < 3 < 4 <8 <4 <7 <4 <7 <14 <3 <4 < 30 <9 MW-62 03/10/10 < 1 < 2 <3 <1 <2 <2 <2 <31 <1 <1 < 33 < 11 MW-62 03/17/10 < 1 < 1 <3 <1 <2 <1 <3 <18 <1 <1 < 21 <7 MW-62 03/24/10 < 1 < 2 <4 <1 <3 <2 <3 <15 <1 <1 < 20 <6 MW-62 03/30/10 < 2 < 3 <6 <3 <5 <3 <5 <20 <2 <2

• 31 < 10 MW-62 04/06/10 < 2 < 2 <5 <2 <4 <2 <4 <10 <2 <2 < 18 <6 MW-62 04/13/10 < 1 < 1 <3 <1 <2 <1 <2 <14 <1 <1 < 16 <5 MW-62. 04/20/10 < 1 < 2 <4 <2 <3 <2 <3 <10 <1 <2 < 17 <5 MW-62 04/28/10 < 2 < 2 <5 <2 <4 <3 <4 <11 <2 <2 < 20 <7 MW-62 05/04/10 < 1 < 1 <4 <1 <2. < 2 <3 <14 <1 <1 < 20 <5 MW-62 05/12/10 < 2 < 3 <5 <2 <5 <3 <5 <13 <2 <2 < 23 <5 MW-62 05/18/10 < 4 < 5 < 10 <5 <9 <5 <8 <13 <4 <5 < 31 <9 MW-62 05/27/10 < 2 < 2 <5 <3 <5 <2 <4 <8 <2 <2 < 16 <6 MW-62 06/03/10 < 4 < 4 <8 <4 <7. 4 <7 <12 <4 <4 < 26 <8 MW-62 06/09/10 < 3 < 3 <7 <3 <7 <4 <6 <14 <3 <3 < 28 <9 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-62 06/16/10 <2 <2 <5 <2 <3 <2 <4 < 11 <2 <2 < 21 <6 MWV-62 06/23/10 <3 <3 <7 <3 <6 <3 <5 < 10 <3 <3 < 22 <7 MW-62 06/29/10 <4 <4 <9 <4 <9 <4 <7 < 12 <4 <4 < 26 <9 MW-62 07/13/10 <2 <2 <5 <2 <4 <3 <4 < 14 <2 <2 < 23 <6 MW-62 07/21/10 <8 <8 < 14 <7 < 15 <8 < 16 < 15 <8 <8 < 41 < 13 MW-62 07/28/10 <8 <9 < 17 <8 < 19 <9 < 15 < 15 <9 <9 < 41 < 10 MW-62 08/04/10 <7 <8 < 17 <7 < 17 <8 < 14 < 14 <8 <8 < 40 < 14 MW-62 08/10/10 <4 <5 < 11 <5 < 10 <5 <8 < 15 <5 <5 < 33 < 10 MW-62 08/17/10 <5 <5 < 10 <4 <9 <6 <9 < 15 <5 <6 < 33 <9 MW-62 08/25/10 <4 <4 <8 <3 <7 <4 <6 < 13 <3 <4 < 27 <8 MW-62 10/13/10 <3 <3 <7 <3 <7 <3 <6 <7 <3 <4 < 17 <6 MW-631 07/21/10 <9 <9 < 18 <8 < 23 < 10 < 17 < 15 < 12 < 10 < 40 < 12 MW-631 07/27/10 <5 <4 < 10 <5 < 11 <5 <8 < 10 <5 <5 < 25 <7 MW-631 08/03/10 <8 <8 < 16 <7 < 14 <9 < 12 < 14 <7 <7 < 37 < 12 MW-631 08/11/10 <4 <4 <9 <4 <8 <4 <8 < 13 <4 <5 < 31 <8 MW-631 08/18/10 <5 <5 < 11 <6 < 10 <6 < 10 < 12 <5 <5 < 31 < 11 MW-631 08/24/10 <3 <4 <7 <3 <7 <4 <6 < 13 <3 <3 < 27 <7 MW-631 10/14/10 <2 <2 <5 <3 <5 <3 <5 < 11 <2 <3 < 22 <6 MW-64 03/10/10 <1 <2 <4 <1 <2 <2 <3 < 30 <1 <1 < 33 <9 MW-64 03/17/10 <1 <2 <5 <1 <3 <2 <3 < 179 <1 <1 < 96 < 20 MW-64 03/24/10 <1 <1 <4 <1 <3 <2 <3 < 80 <1 <1 < 58 < 19 MW-64 03/31/10 <1 <2 <4 <2 <2 <2 <3 < 65 <1 <1 < 51 < 16 MW-64 04/07/10 <1 <2 <3 <1 <3 <2 <3 < 48 <1 <1 < 40 < 11 MW-64 04/14/10 <1 <3 <1 < 2 <2 <2 < 14 <1 <1 < 19 <7

<1 < 2 MW-64 04/20/10 <1 <3 <1 <2 <3 < 14 <1 <1 < 21 <6

<1 MW-64 04/27/10 <1 <4 <1 <2 <1 <3 < 13 <1 <1 < 19 <5 MW-64 05/05/10 <4 <4 < 11 <4 <9 <5 <8 < 24 <4 <4 < 42 < 12 MW-64 05/12/10 <2 <3 <5 <3 <5 <3 <4 < 13 <2 <3 < 25 <7 MW-64 05/19/10 <4 <5 <9 <4 <9 <5 <9 < 14 <4 <5 < 31 <9 MW-64 05/25/10 <3 <3 <6 <3 <4 <3 <5 < 14 <2 <3 < 24 <8 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-64 06/02/10 <3 <3 <6 <3 <5 <3 <5 <7 <3 <3 < 16 <6 MW-64 06/08/10 <3 <3 <7 <3 <7 <3 <6 <14 <3 <3 < 28 < 10 MW-64 06/15/10 <4 <4 <9 <4 <8 <4 <8 <12 <4 <4 < 29 <9 MW-64 06/22/10 <2 <2 <4 <3 <4 <2 <4 <6 <2 <2 < 15 <4 MW-64 06/29/10 <2 <2 <3 <1 <3 <2 <3 <15 <2 <2 < 25 <6 MW-64 07/07/10 <2 <2 <4 <2 <4 <2 <3 <9 <2 <2 < 17 <4 MW-64 07/14/10 <3 <3 <6 <2 <5 <3 <5 <11 <2 <2 < 24 <7 MW-64 07/21/10 <9 <8 < 17 <9 <18 <8 <14 <14 <8 <9 < 42 < 11 MW-64 07/27/10 <4 <4 <8 <3 <8 <4 <7 <6 <3 <4 < 19 <6 MW-64 08/03/10 <7 <7 < 13 <7 <14 <7 <11 <15 <7 <7 < 39 < 10 MW-64 08/11/10 <4 <5 <9 <4 <8 <5 <8 <13 <4 <5 < 30 <9 o MW-64 08/18/10 <4 <4 < 11 <4 <9 <5 <8 <10 <4 <4 < 25 <9

- MW-64 08/24/10 <4 <4 < 10 <5 <9 <5 <8 <15 <4 <5 < 32 < 10 MW-64 10/13/10 <3 <3 <7 <3 <7 <4 <7 <9 <3 <4 < 23 <7 MW-65 03/10/10 <1 <1 <3 <1 <2 <1 <3 <29 <1 <1 < 30 <8 MW-65 03/17/10 <1 <1 <3 <1 <2 <1 <2 <14 <1 <1 < 19 <5 MW-65 03/24/10 <1 <1 <3 <1 <2 <2 <3 <16 <1 <1 < 20 <4 MW-65 03/30/10 <2 <3 <6 <2 <5 <3 <5 <18 <2 <2 < 27 < 10 MW-65 04/06/10 <2 <3 <6 <2 <5 <3 <5 <13 <3 <3 < 23 <7 MW-65 04/13/10 <1 <1 <3 <1 <2 <1 <2 <15 <1 <1 < 20 <5 MW-65 <1 04/21/10 <2 <2 <5 <4 <2 <4 <12 <2 <2 < 22 <6 MW-65 04/28/10 <3 <3 <7 <3 <6 <3 <5 <15 <2 <3 < 26 <9 MW-65 *<3 , <2'. .... <.3 < 12 <1I MW-65 05/05/10 <1 <2 <3 <1 <2 < 20 <6 MW-65 05/11/10 <2 <2 <5 <2 <5 <3 <4 <13 <2 <2 < 22 <6 MW-65 05/18/10 <4 <4 <8 <4 <8' <4 <7 <11 <4 <4 < 26 <8 MW-65 05/26/10 <3 <3 <7 <3 <6 <3 <6 <13 <3 <3 < 26 <8 MW-65 06/02/10 <3 <3 <6 <3 <6 <3 <5 <7 <2 <3 < 18 <5 MW-65 06/08/10 <2 <3 <6 <2 <5 <2 <4 <12 <2 <2 < 22 <6 MW-65 06/16/10 <2 <2 <5 <2 <4 <2 <4 <12 <2 <2 < 21 <6 MW-65 06/22/10 <3 <3 <8 <3 <6 <'4 <7" <15 <3 <3 < 29 <9 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER t 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-65 06/29/10 <4 <4 <9 <4 <8 <5 <8 <14 <4 <4 < 32 <9 MW-65 07/13/10 <2 <3 <6 <2 <4 < 2 <5 <14 <2 <2 < 21 <7 MW-65 07/21/10 <8 <7 < 17 <6 < 13 <7 <14 <11 <7 <8 < 33 < 12 MW-65 07/28/10 <9 <10 < 20 <9 < 22 < 10 < 16 < 15 < 11 < 11 < 45 < 15 MW-65 08/03/10 <7 <7 < 15 <8 < 14 <7 < 12 < 13 <6 <8 < 31 <9 MW-65 08/10/10 <3 <3 <7 <3 <6 <4 <5 <11 <3 <3 < 23 <7 MW-65 08/17/10 <5 <5 < 10 <4 <9 <5 <9 <13 <4 <5 < 29 <9 MW-65 08/24/10 <4 <4 <9 <4 <8 <4 <7 <14 <4 <4 < 29 <9 MW-65 10/12/10 <5 <5 < 10 <5 <9 <5 <9 <14 <5 <5 < 31 < 10 MW-661 07/21/10 <9 <9 < 16 <8 < 16 <9 < 15 < 14 <8 < 10 < 40 < 11 MW-661 07/29/10 <9 <9 < 19 <7 < 18 <9 < 16 < 13 <8 <8 < 41 < 10 MW-661 08/05/10 <6 <6 < 11 <5 < 13 <6 < 11 < 12 <7 <6 < 31 <8 00 MW-661 08/10/10 <4 <4 <8 <3 <7 <4 <7 <13 <3 <4 < 27 <7 MW-661 08/17/10 <4 <4 <9 <5 <8 <5 <8 <11 <4 <5 < 27 <9 MW-661 08/25/10 <4 <5 <9 <4 <7 <5 <8 <14 <4 <4 < 34 <9 MW-661 10/12/10 <3 <3 <7 <3 <6 <4 <6 <12 <3 <3 < 26 <8 MW-67 03/10/10 <1 <1 <2 <1 <2 <1 <2 <19 <1 <1 < 17 <7 MW-67 03/17/10 <1 <1 <3 <1 <1 <1 < 2 < 123 <1 <1 < 63 < 23 MW-67 03/24/10 <1 <1 <3 <1 <1 <1 <2 <57 <1 <1 < 37 < 12 MW-67 03/30/10 <1 <1 <3 <1 <2 <1 <2 <40 <1 <1 < 36 < 11 MW-67 04/06/10 <1 <2 <4 <2 <2 <2 <3 < 38 <1 <1 < 33 < 10 MW-67 04/13/10 <1 <1 <3 <1 <2 <1 <3 <36 <1 <1 < 35 < 10 MW-67 04/20/10 <1 <1 <3 <1 <2 <2 <2 <15 <1 <1 < 20 <6 MW-67 04/28/10 <1 <2 <3 <1 <3 <1 <2 <12 <1 <1 < 18 <6 MW-67 05/04/10 <2 <2 <5 <3 <4 <3 <5 <13 <2 <2 < 23 <7 MW-67 05/12/10 <2 <3 <5 <3 <6 <3 <5 <12 <2 <3 < 23 <6 MW-67 05/12/10 <2 <3 <6 <3 <5 <3 <5 <13 <2 <3 < 25 <8 MW-67 05/18/10 <4 <4 <9 <4 <8 <4 <7 <13 <3 <4 < 26 <8 MW-67 05/27/10 <3 <3 <7 <3 <6 <3 <6 <13 <3 <4 < 25 <8 MW-67 06/03/10 <2 <2 <3 <2 <3 <1 <3 <4 <1 <2 <9 <3 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-1 34 Cs-1 37 Ba-140 La-140 PERIOD MW-67 06/09/10 < 3 <3 < 7 < 3 <6 <3 <6 <13 <3 <3 < 25 <8 MW-67 06/15/10 < 4 < 4 < 9 < 4 <7 <4 <7 <12 <3 <4 < 25 <9 MW-67 06/23/10 < 2 < 2 < 4 < 2 <3 <2 <3 <6 <2 <2 < 16 <4 MW-67 06/29/10 < 1 < 2 < 4 < 2 <4 <2 <3 <14 <2 <2 < 21 <4 MW-67 07/07/10 < 2 < 2 < 4 < 2 <4 <2 <4 <10 <2 <2 < 18 <5 MW-67 07/13/10 < 1 < 2 < 5 < 2 <4 <2 <3 <11 <2 <2 < 20 <7 MW-67 07/21/10 < 9 < 10 < 18 < 9 < 22 < 11 < 16 < 15 <9 <10 < 41 < 15 MW-67 07/28/10 < 10 < 9 < 19 < 10 < 20 < 11 < 17 < 15 <8 <10 < 43 <9 MW-67 08/04/10 < 6 <6 < 13 <6 < 13 <6 < 11 < 12 <5 <7 < 30 < 11 MW-67 08/10/10 < 2 <2 < 5 <2 <5 <3 <4 <11 <2 <2 < 21 <7 MW-67 08/17/10 < 4 < 4 < 9 < 4 <8 <5 <8 <11 <4 <4 < 26 <9 MW-67 08/25/10 < 4 < 4 < 9 < 4 <8 <4 <8 <15 <4 <5 < 31 < 10 10/14/10 TBE < 4 < 4 < 9 < 5 <9 <5 <8 <10 <4 <4 < 26 <9 MW-67 10/14/10 TBE < 3 < 3 < 7 < 4 <7 <4 <7 <8 <3 <3 < 21 <6 MW-67 10/14/10 EIML < 2 < 3 < 9 < 2 <4 <2 <4 <9 <3 <3 < 19 <5 MW-681 07121/10 <9 < 9 < 16 < 8 < 16 < 8 < 15 < 13 <8 <8 < 37 < 11 MW-681 07/29/10 <9 < 11 < 24 < 13 < 25 < 11 < 14 < 12 <10 <8 < 40 < 14 MW-681 08/05/10 <7 < 7 < 15 < 7 < 15 < 7 < 13 < 12 <7 <8 < 37 < 11 MW-681 08/10/10 <4 < 4 < 9 < 4 <8 <4 <7 <13 <4 <4 < 29 <9 MW-681 08/17/10 <4 < 4 < 9 < 4 <9 <5 <8 <11 <4 <4 < 27 <8 MW-681 08/25/10 < 3 < 3 < 7 < 3 <6 <4 <6 <10 <3 <3 < 23 <7 MW-681 10/12/10 < 2 < 2 < 5 < 3 <4 <2 <4 <12 <2 <2 < 23 <7 MW-691 07/21/10 < 6 < 6 < 11 < 6 < 14 < 7 < 12 < 10 <6 <7 < 31 < 10 MW-691 07/28/10 < 9 < 8 < 22 < 8 < 20 <9 < 16 < 14 <8 <8 < 43 < 10 MW-691 08/04/10 < 5 < 5 < 11 < 5 <9. <6 <9 <9 <5 <5 < 27 <8 MW-691 08/10/10 < 4 < 4 < 8 < 3 <7 <4 <6 <13 <3 <4 < 29 <9 MW-691 08/17/10 < 4 < 5 < 9 < 4 <9 <5 <8 <14 <5 <5 < 31 <8 MW-691 08/25/10 < 4 < 4 < 9 < 4 <9 <4 <8 <12 <4 <4 < 27 <9 MW-691 10/12/10 < 3 < 3 < 7 < 3 <6 <4 .<6 <10. <3 <3 < 24 <7 MW-701 07/21110 < 8 < 8 < 14 < 8 < 18 -; 9 < 15 < 14 <10 <9 < 39 < 11

TABLE B-I.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MW-701 07/28/10 <8 <10

• 17 <9 <17 <9 <15 <15 <8 <9 < 41 <10 MW-701 08/04/10 <6 <6 <12 <7 <13 <6 <12 <11 <5 <6 < 33 <10 MW-701 08/10/10 <4 <4 <10 <5 <9 <5 <8 <14 <4 <4 < 32 <10 MW-701 08/17/10 <3 <4 <8 <3 <7 <4 <6 *10 <3 <4 < 24 <8 MW-701 08/25/10 <4 <4 <9 <3 <8 <4 <7 <14 <4 <4 < 28 <9 MW-701 10/12/10 <4 <4 <8 <3 <8 <4 <7 *13 <3 <4 < 26 <8 MW-71 08/10/10 <6 <8 <16 <7 <18 <8 < 14

• 14 <8 <8 < 37 <12 MW-71 08/18/10 <5 <6 <11 <5 <10 <6 <9 <13 <5 <5 < 32 <10 MW-71 10/13/10 TBE < 3 <4 <8 <4 <7 <4 <7 <13 <3 <4 < 27 <9 MW-71 .10/13/10 TBE < 3 <3 <7 <3 <6 <3 <6 <11 <3 <3

• 23 <7 MW-71 10/13/10 El ML < 2 <3 <7 <2 <3 <4 <4 <8 <3 <2 <11 <5 MW-72 08/10/10 <3 <3 <7 <3 <6 <4 <6 <12 <3 <3 < 25 <6 0

MW-72 08/18/10 <5 <5 <10 <5 <9 <5 <9 <13 <5 <5

• 30 <10 MW-72 10/13/10 <2 <2 <5 <3 <4 <2 <4 <9 <2 <2 <19 <6 MW-72 10/13/10 <4 <4 <9 <4 <8 <4 <7 <12 <4 <4 < 28 <8 VAULT 1 05/21/10 < 21 < 20 < 41 195 + 20 < 43 < 20 < 35

• 30 < 20 531 + 36 < 89 < 26 W-10 10/12/10 <3 <3 <7 <3 <6 <3 <6

• 14 <3 <3 < 28 <8 W-12 10/12/10 <4 <4 <9 <4 <8 <4 <8

• 12 <4 <4 < 29 <9 W-13 10/12/10 <3 <3 <7 <3 <6 <3 <5 <10 <3 <3 < 24 <7 W-14 10/13/10 <3 <2 <6 <3 <5 <3 <4 <8 <2 <3 <18 <5 W 10/13/10 <3 <3 <6 <3 <6 <3 <5 <9 <2 <3

• 20 <4 W-16 10/13/10 <3 <3 <6 <2 <5 <3 <4 <8 <2 <2 <17 <6 W-24 10/12/10 <3 <3 <7 <4 <.7 <4 <6

• 13 <3 <3

• 28 <9 W-3 *01/27/10 <1 <2 <4 <1 <2 <2 < 3

• 92 <1 <1 < 62 < 19 W-3 02/23/10 <1 <2 <4 <2 <2 <2 <4 < 42 <1 <1 < 41 < 10 W-3 03/22/10 <1 <1 <4 <1 <2 <1 <3 < 20 <1 <1 < 23 <7 W-3 10/12/10 <3 <3 <7 <3. <7 <4 <6 <9 <3 <3 < 21 <6 W-34 10/12/10 <3 <3 <7 <3 <6 <4 <6 <13 <3 <3 < 26 <8 W-4 01/27/10 <1 <2 <4 <1 <2 <2 <3

• 117 <1 <1 < 69 < 16 W-4 02/24/10 <1 <1 <4 <1 <2 <<2 <2 < 31 <1 <1 < 27 < 10 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-1.2 CONCENTRATIONS OF GAMMA EMITTERS IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATIO RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-1 37 Ba-140 La-140 PERIOD W-4 03/22/10 <1 <1 <3 <1 <2 <2 <3 <21 <1 <1 < 22 <7 W-4 10/12/10 <5 <5 < 10 <5 <9 <5 <9 <14 <4 <5 < 31 < 11 W-4K 01/06/10 <1 <2 <6 <1 <3 <2 <4 < 290 <1 <1 < 129 < 39 W-4K 01/26/10 <1 <2 <5 <1 <2 <2 < 4 < 150 <1 <1 < 93 < 21 W-4K 02/24/10 <1 <2 <3 <1 <2 <2 < 3 <40 <1 <1 < 37 <7 W-4K 03/22/10 <1 <1 <3 <1 <2 <1 <2 <16 <1 <1 < 19 <5 W-4K 04/27/10 <2 <3 <5 <2 <5 <3 <4 <9 <2 <2 < 19 <6 W-4K 07/28/10 <5 <5 < 11 <5 < 12 <5 <9 <9 <5 <5 < 25 <9 W-5 01/27/10 <1 <1 <3 <1 <2 <2 <2 <86 <1 <1 < 51 < 18

<1 <2 <4 <1 <3 <2 <3 <37 <1 <1 < 37 < 10 W-5 02/24/10

<1 <4 <1 <3 <1 < 3 <22 <1 <1 < 26 <8 W-5 03/22/10 <2 W-5 10/12/10 <5 <5 < 11 <5 < 11 <6 <10 <11 <5 <5 < 30 < 10

- W-5C 10/14/10 <4 <4 <8 <4 <8 <4 <7 <11 <3 <4 < 26 <9 W-5K 10/14/10 <3 <3 <7 <3 <6 <4 <6 <13 <3 <3 < 28 <7 W-6 01/27/10 <1 <2 <6 <1 <3 <2 <3 < 119 <1 <2 < 77 < 21 W-6 02/23/10 <1 <2 <3 <1 <2 <2 <3 <40 <1 <1 < 35 <9

<1 <2 <3 <1 <2 <1 <2 <20 <1 <1 < 25 <8 W-6 03/22/10 W-6 10/12/10 <5 <5 <9 <4 <9 <5 <8 <10 <4 <5 < 27 <9 W-7 10/12/10 <3 <3 <7 <3 <6 <3 <6 <13 <3 <3 < 27 <8 W-73 BATCH TANK 10/20/10 <2 <2 <5 <2 <4 <3 <4 <15 <2 <2 < 24 <7 W-9 10/13/10 <2 <3 <6 <3 <5 <3 <5 <12 <2 <3 < 24 <8 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I.3 CONCENTRATIONS OF "HARD-TO-DETECTS" IN GROUNDWATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION AM-241 CM-242 CM-243/244 PU-238 PU-239/240 U-233-234 U-235 U-238 FE-55 NI-63 PERIOD MW-50 05/12/10 < 0.1 < 0.02 < 0.08 < 0.1 <0.1 < 127 < 5.0 MW-55 05/12/10 < 0.1 < 0.03 < 0.06 < 0.2 < 0.1 < 151 < 3.6 MW-561 05/12/10 < 0.0 < 0.04 < 0.12 < 0.1 < 0.1 < 150 < 4.3 MW-571 05/12/10 < 0.1

• 0.02 < 0.04 < 0.1 < 0.1 < 197 < 4.3 MW-67 05/12/10 < 0.2 < 0.08 < 0.07 < 0.2 < 0.1 < 123 < 4.5 W-73 BATCH TANK 10/20/10 < 0.2 < 0.10 < 0.14 < 0.1 < 0.2 0.2 +/- 0.1 < 0.2 0.3 +/- 0.1 < 106 < 4.6

TABLE B-1I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 01/01/10

• 169 MCD 01/02/10

• 167 MCD 01/03/10

• 168 MCD 01/04/10

• 151 MCD 01/05/10

• 147 MCD 01/06/10

• 153 MCD 01/07/10

• 169 MCD 01/08/10

• 163 MCD 01/09/10

• 167 MCD 01/10/10

• 165 MCD 01/11/10

• 177 MCD 01/12/10

• 170 MCD 01/13/10

• 165 MCD 01/14/10

• 164 MCD 01/15/10

• 163 MCD 01/16/10

• 165 MCD 01/17/10

• 166 MCD 01/18/10

• 152 MCD 01/19/10

• 162 MCD 01/20/10

• 159 MCD 01/21/10

• 157 MCD 01/22/10

• 157 MCD 01/23/10

• 157 MCD 01/24/10

• 156 MCD 01/25/10

• 158 MCD 01/26/10

• 153 MCD 01/27/10

• 152 MCD 01/28/10

• 150 MCD 01/29/10

• 149 MCD 01/30/10

• 145 MCD 01/31/10

• 149 MCD 02/01/10

• 143 MCD 02/02/10 <164 MCD 02/03/10

• 160 MCD 02/04/10

• 160 MCD 02/05/10

• 159 MCD 02/06/10

• 168 MCD 02/07/10

• 167 MCD 02/08/10 <164 MCD 02/09/10

• 167 MCD 02/10/10

• 167 MCD 02/11/10

• 165 MCD 02/12/10

• 169 MCD 02/13/10

• 170 MCD 02/14/10 < 168 MCD 02/15/10 < 164 MCD 02/16/10 < 163 MCD 02/17/10 < 148 MCD 02/18/10 < 153 MCD 02/19/10 < 149 B-33

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 02/20/10 < 149 MCD 02/21/10 < 163 MCD 02/22/10 < 160 MCD 02/23/10 < 181 MCD 02/24/10 < 179 MCD 02/25/10

• 180 MCD 02/26110 < 160 MCD 02/27/10 < 146 MCD 02/28/10 < 149 MCD 03/01/10 < 176 MCD 03/02/10 < 176 MCD 03/03/10 < 173 MCD 03/04/10 < 161 MCD 03/05/10 < 162 MCD 03/06/10 < 162 MCD 03/07/10 < 162 MCD 03/08/10 < 162 MCD 03/09/10 < 161 MCD 03/10/10 < 172 MCD 03/11/10 < 154 MCD 03/12/10 < 157 MCD 03/13/10 < 155 MCD 03/14/10 < 154 MCD 03/15/10 < 172 MCD 03/16/10 < 170 MCD 03/17/10 < 171 MCD 03/18/10 < 168 MCD 03/19/10 < 172 MCD 03/20/10

• 154 MCD 03/21/10 < 155 MCD 03/22/10

• 151 MCD 03/23/10 < 159 MCD 03/24/10 < 157 MCD 03/25/10 < 151 MCD 03/26/10 < 152 MCD 03/27/10 < 155 MCD 03/28/10 < 152 MCD 03129/10

• 166 MCD 03/30/10 < 172 MCD 03/31/10 < 175 MCD 04/01/10 < 172 MCD 04/02/10 < 163 MCD 04/03/10 < 162 MCD 04/04/10 < 165 MCD 04/05/10 < 169 MCD 04/06/10 < 175 MCD 04/07/10 < 160 MCD 04/08/10 < 179 MCD 04/09/10

• 177

• B-34

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER 12 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 04110/10 < 178 MCD 04/11/10 < 178 MCD 04/12/10 < 177 MCD 04/13/10 < 179 MCD 04/14/10 < 179 MCD 04/15/10

• 181 MCD 04/16/10 < 181 MCD 04/17/10 < 178 MCD 04/18/10 < 178 MCD 04/19/10 < 174 MCD 04/20/10 < 181 MCD 04/21/10 < 160 MCD 04/22/10 < 166 MCD 04/23/10 < 164 MCD 04/24/10 < 160 MCD 04/25/10 < 181 MCD 04/26/10 < 177 MCD 04/27/10 < 175 MCD 04/28/10 < 164 MCD 04/29110 < 162 MCD 04/30/10 < 168 MCD 05/01/10 < 176 MCD 05/02/10

• 172 MCD 05/03/10 < 170 MCD 05/04/10 < 165 MCD 05/05/10 < 179 MCD 05/06/10 < 179 MCD 05/07/10 < 180 MCD 05/08/10 < 158 MCD 05/09/10 < 158 MCD 05/10/10 < 180 MCD 05/11/10 < 178 MCD 05/12/10 < 167 MCD 05/13/10 < 160 MCD 05/14/10 < 164 MCD 05/15/10 < 166 MCD 05/16/10 < 167 MCD 05/17/10 < 168 MCD 05/18/10 < 168 MCD 05/19/10 < 176 MCD 05/20/10 < 176 MCD 05/21/10 < 172 MCD 05/22/10 < 157 MCD 05/23/10 < 153 MCD 05/24/10 < 154 MCD 05/25/10 < 154 MCD 05/26/10 < 157 B-35

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 05/27/10 < 156 MCD 05/28/10 < 154 MCD 05/29/10 < 153 MCD 05/30/10 < 154 MCD 05/31/10 < 161 MCD 06/01/10 < 157 MCD 06/02/10 < 176 MCD 06/03/10 < 152 MCD 06/04/10 < 152 MCD 06/05/10 < 151 MCD 06/06/10 < 153 MCD 06/07/10 < 157 MCD 06/08/10 < 157 MCD 06/09/10 < 168 MCD 06/10/10

• 182 MCD 06/11/10 < 160 MCD 06/12/10 < 160 MCD 06/13/10 < 166 MCD 06/14/10 < 156 MCD 06/15/10 < 159 MCD 06/16/10 < 168 MCD 06/17/10 < 176 MCD 06/18/10 < 171 MCD 06/19/10 < 170 MCD 06/20/10 < 174 MCD 06/21/10 < 177 MCD 06/22/10 < 174 MCD 06/23/10 < 171 MCD 06/24/10 < 170 MCD 06/25/10 < 170 MCD 06/26/10 < 173 MCD 06/27/10 < 166 MCD 06/28/10 < 161 MCD 06/29/10 < 162 MCD 06/30/10 < 159 MCD 07/01/10 < 157 MCD 07/02/10 < 157 MCD 07/03/10 < 159 MCD 07/04/10 < 159 MCD 07/05/10 < 159 MCD 07/06/10 < 159 MCD 07/07/10 < 157 MCD 07/08/10 < 168 MCD 07/09/10

• 166 B-36

TABLE B-11.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 07/10/10 < 164 MCD 07/11/10 < 166 MCD 07/12/10 < 167 MCD 07/13/10 < 170 MCD 07/14/10 < 162 MCD 07/15/10 < 160 MCD 07/16/10 < 161 MCD 07/17/10 < 161 MCD 07/18/10 < 158 MCD 07/19/10 < 169 MCD 07/20/10 < 167 MCD 07/21/10

• 177 MCD 07/22/10 < 177 MCD 07/23/10 < 179 MCD 07/24/10 < 177 MCD 07/25/10 < 177 MCD 07/26/10 < 181 MCD 07/27/10 < 164 MCD 07/28/10 < 167 MCD 07/29/10 < 148 MCD 07/30/10 < 151 MCD 07/31/10 < 152 MCD 08/01/10 < 150 MCD 08/02/10 < 150 MCD 08/03/10 < 148 MCD 08/04/10 < 183 MCD 08/05/10 < 175 MCD 08/06/10 < 174 MCD 08/07/10 < 172 MCD 08/08/10 < 177 MCD 08/09/10 < 179 MCD 08/10/10 < 173 MCD 08/11/10 < 174 MCD 08/12/10 < 168 MCD 08113/10 < 175 MCD 08/14/10 < 175 MCD 08/15/10 < 173 MCD 08/16/10 < 169 MCD 08/17/10 < 173 MCD 08/18/10 < 172 MCD 08/19/10 < 177 MCD 08/20/10

• 166 MCD 08/21/10 < 171 MCD 08/22/10 < 164 B-37

TABLE B-11.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 08/23/10 < 164 MCD 08/24/10 < 164 MCD 08/25/10 < 169 MCD 08/26/10 < 167 MCD 08/27/10 < 166 MCD 08/28/10

• 170 MCD 08/29/10

• 168 MCD 09/01/10

• 175 MCD 09/08/10

• 170 MCD 09/15/10

• 167 MCD 09/22/10

• 170 MCD 09/29/10

• 171 MCD 10/06/10

• 159 MCD 10/11/10

• 177

• 0.6 < 74 < 10 419+/- 40 < 21 MCD 10/21/10

• 158

• 0.6 < 85 < 10 507 +/-51 < 21 MCD 10/21/10

• 167 MCD 10/21/10

• 161 MCD 10/23/10

• 167 MCD 10/24/10

• 167 MCD 10/26/10

• 167 MCD 10/27/10

• 168 MCD 10/28/10

• 152 MCD 10/29/10

• 160 MCD 10/31/10

• 158 MCD 11/01/10

• 159 MCD 11/01/10

• 163 MCD 11/02/10

• 159 MCD 11/02/10

• 163 MCD 11/03/10

• 162 MCD 11/10/10

• 176 MCD 11/16/10

• 170 MCD 11/16/10

• 163 MCD 11/17/10

• 173 MCD 11/17/10

• 162 MCD 11/18/10

• 166 MCD 11/19/10

• 163 MCD 11/20/10

• 163 MCD 11/21/10

• 162 MCD 11/22/10

• 163 MCD 11/23/10

• 165 MCD 11/24/10

• 160 MCD 11/25/10

• 155 MCD 11/26/10

• 157 MCD 11/27/10

• 158 B-38

TABLE B-1I.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

MCD 11/28/10

• 154 MCD 11/29/10

• 157 MCD 11/30/10

• 159 MCD 12/01/10

• 157 MCD 12/02/10

• 162 MCD 12/03/10

• 166 MCD 12/04/10

• 167 MCD 12/05/10

• 167 MCD 12/06/10

• 162 MCD 12/07/10

• 167 MCD 12/08/10

• 167 MCD 12/09/10

• 166 MCD 12/10/10

• 164 MCD 12/11/10

• 167 MCD 12/12/10

• 167 MCD 12/13/10

• 169 MCD 12/14/10

• 166 MCD 12/15/10

• 167 MCD 12/16/10

• 165 MCD 12/17/10

• 165 MCD 12/18/10

• 165 MCD 12/19/10

• 163 MCD 12/20/10

• 166 MCD 12/21110

• 163 MCD 12/22/10

• 165 MCD 12/23/10

• 173 MCD 12/25/10

• 193 MCD 12/26/10

• 192 MCD 12/27110

• 161 MCD 12/28/10

• 154 MCD 12/29/10 <154 MCD 12/30/10

• 155 MCD 12/31/10

• 156 Sw-1 01/01/10

• 166 Sw-1 01/02/10

• 164 Sw-1 01/03/10

• 148 Sw-1 01/04/10

• 154 sw-1 01/05/10

• 151 Sw-1 01/06/10 < 152 Sw-1 01/07/10 < 155 Sw-1 01/08/10 < 169 Sw-1 01/09/10 < 168 Sw-1 01/10/10 < 166 Sw-1 01/11/10

• 176

-.B-39

TABLE B-11.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

Sw-1 01/12/10 175 Sw-i 01/13/10 166 Sw-i 01/14/10 162 Sw-i 01/15/10 167 Sw-i 01/16/10 155 Sw-i 01/17/10 159 sw-i 01/18/10 160 sw-i 01/19/10 166 sw-i 01/20/10 161 sw-i 01/21/10 157 Sw-i 01/22/10 155 Sw-i 01/23/10 158 Sw-i 01/24/10 156 Sw-i 01/25/10 155 Sw-i 01/26/10 137 Sw-i 01/27/10 152 Sw-i 01128/10 163 Sw-i 01/29/10 148 Sw-i 01/30/10 145 Sw-i 01/31/10 148 Sw-i 02/01/10 147 sw-i 02/02/10 147 Sw-i 02103/10 156 sw-i 02/04/10 163 Sw-i 02/05/10 161 sw-i 02/06/10 165 Sw-i 02/07/10 165 Sw-i 02/08110 166 Sw-i 02/09/10 164 Sw-i 02/10/10 169 Sw-i 02/11110 162 Sw-i 02/12/10 166 sw-I 02/13/10 173 Sw-i 02/14/10 165 Sw-i 02/15/10 167 sw-i 02/16/10 166 sw-i 02/17/10 156 Sw-i 02/18/10 153 Sw-i 02/19/10 151 Sw-i 02/20/10 147 sw-i 02/21/10 153 sw-i 02/22/10 160 sw-i 02/23/10 179 Sw-i 02/24/10 180 I B-40

TABLE B-I1l CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

Sw-1 02/25/10 < 176 Sw-i 02/26/10

• 162 Sw-i 02/27/10 < 164 Sw-i 02/28/10 < 152 Sw-i 03/01/10 < 174 Sw-i 03/02/10 < 174 Sw-i 03/03/10 < 174 Sw-i 03/04/10 < 175 Sw-i 03/05/10 < 163 Sw-i 03/06/10 < 164 Sw-i 03/07/10 < 158 Sw-i 03/08/10 < 160 Sw-i 03/09/10 < 159 Sw-i 03/10/10 < 174 Sw-i 03/11/10 < 154 Sw-i 03/12/10 < 154 Sw-i 03/13/10 < 155 Sw-i 03/14/10 < 153 Sw-i 03/15/10

• 173 Sw-i 03/16/10 < 170 Sw-i 03/17/10 < 171 Sw-i 03/18/10 < 173 Sw-i 03/19/10 < 166 Sw-i 03/20/10 < 152 Sw-i 03/21/10 < 153 Sw-i 03/22/10

• 152 Sw-i 03/23/10 < 153 Sw-i 03/24/10 < 151 sw-i 03/25/10 < 156 Sw-i 03/26/10 < 156 Sw-i 03/27/10 < 148 Sw-i 03/28/10 < 158 Sw-i 03/29/10 < 165 Sw-i 03/30/10 < 173 Sw-i 03/31/10 < 172 Sw-i 04/01/10

• 176 Sw-i 04/02/10 < 165 Sw-i 04/03/10 < 165 Sw-i 04/04/10 < 163 Sw-i 04/05/10 < 168 sw-i 04/06/10 < 171 Sw-i 04/07/10 < 160 Sw-i 04/08/10 < 171 Sw-i 04/09/10 < 179 B-41

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS) sw-1 04/10/10 < 178 Sw-1 04/11/10 < 175 Sw-1 04/12/10 < 179 Sw-1 04/13/10 < 179 Sw-1 04/14/10 < 180 Sw-1 04/15/10

• 181 Sw-1 04/16/10 < 180 Sw-1 04/17/10 < 179 Sw-1 04/18/10

• 179 Sw-1 04/19/10

• 179 Sw-1 04/20/10 < 182 Sw-1 04/21/10 < 163 Sw-1 04/22/10 < 158 Sw-1 04/23/10 < 161 Sw-1 04/24/10 < 163 Sw-1 04/25/10 < 164 Sw-1 04/26/10 < 178 Sw-1 04/27/10

• 177 Sw-1 04/28/10

• 163 Sw-1 04/29/10

• 162 Sw-i 04/30/10 < 169 Sw-1 05/01/10 < 170 Sw-1 05/02/10 < 179 Sw-1 05/03/10 < 166 Sw-1 05/04/10 < 170 Sw-1 05/05/10

• 178 Sw-1 05/06/10 < 181 Sw-1 05/07/10

• 183 Sw-1 05/08/10

• 161 Sw-1 05/09/10 < 160 Sw-1 05/10/10 < 179 Sw-1 05/11/10

• 177 Sw-1 05/12/10 < 158 Sw-1 05/13/10

• 166 Sw-1 05/14/10

• 166 Sw-1 05/15/10 < 167 sw-1 05/16/10

• 167 Sw-1 05/17/10

• 165 Sw-1 05/18/10

• 170 Sw-1 05/19/10 < 173 Sw-1 05/20/10 < 173 Sw-1 05/21/10 < 174 Sw-1 05/22/10

• 155 Sw-1 05/23/10 < 153 Sw-1 05/24/10 < 155 Sw-1 05/25/10 < 152 Sw-1 05/26/10 < 156 Sw-1 05/27/10 < 158 B-42

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

H-3 SR-g0 SITE DATE Sw-i 05/28/10

• 153 Sw-i 05/29/10

• 158 Sw-i 05/30/10

• 157 Sw-i 05/31/10

• 160 sw-i 06/01/10

• 157 sw-i 06/02/10

• 159 Sw-i 06/03/10

• 157 sw-I 06/04/10

• 152 Sw-i 06/05/10

• 152 Sw-i 06/06/10

• 156 sw-i 06/07/10

• 159 Sw-i 06/08/10

• 151 sw-i 06/09/10

• 149 sw-i 06/10/10

• 186 Sw-i 06/11/10

• 181 Sw-i 06/12/10

• 161 Sw-i 06/13/10

• 158 Sw-i 06/14/10

• 159 Sw-i 06/15/10

• 157 Sw-i 06/16/10

• 171 Sw-i 06/17/10

• 174 Sw-i 06/18/10

• 174 Sw-i 06/19/10

• 170 Sw-i 06/20/10

• 176 sw-i 06/21/10

• 169 sw-i 06/22/10

• 171 sw-i 06/23/10

• 170 Sw-i 06/24/10

• 171 sw-i 06/25/10

• 163 Sw-i 06/26/10

• 163 Sw-i 06/27/10

• 171 Sw-i 06/28/10

• 164 sw-i 06/29/10

• 165 sw-i 06/30/10

• 161 Sw-i 07/01/10

• 158 Sw-i 07/02/10

• 158 Sw-i 07/03/10

• 159 sw-i 07/04/10

• 158 Sw-i 07/05/10

• 158 Sw-i 07/06/10

• 156 sw-i 07/07/10

• 159 Sw-i 07/08/10

• 167 sw-i 07/09/10 < 168 Sw-i 07/10/10 < 167 Sw-i 07/11/10 < 165 sw-i 07/12/10 < 170 sw-i 07/13/10 < 168 Sw-i 07/14/10 < 164 B-43

TABLE B-11.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

Sw-1 07/15/10 161 Sw-i 07/16/10 159 Sw-i 07/17/10 159 Sw-i 07/18/10 160 Sw-i 07/19/10 165 Sw-i 07/20/10 162 Sw-i 07/21/10 174 Sw-i 07/22/10 176 Sw-i 07/23/10 177 Sw-i 07/24/10 177 Sw-i 07/25/10 176 Sw-i 07/26/10 178 Sw-i 07/27/10 177 Sw-i 07/28/10 166 Sw-i 07/29/10 147 Sw-i 07/30/10 147 Sw-i 07/31/10 152 Sw-i 08/01/10 171 Sw-i 08/02/10 152 Sw-i 08/03/10 149 Sw-i 08/04/10 150 Sw-i 08/05/10 167 sw-i 08/06/10 179 Sw-i 08/07/10 175 Sw-i 08/08/10 176 Sw-i 08/09/10 175 Sw-i 08/10/10 179 Sw-i 08/11/10 175 Sw-i 08/12/10 166 Sw-i 08/13/10 167 Sw-i 08/14/10 171 Sw-i 08/15/10 172 Sw-i 08/16/10 173 Sw-i 08/17/10 173 Sw-i 08/18/10 172 Sw-i 08/19/10 181 Sw-i 08/20/10 179 Sw-i 08/21/10 167 Sw-i 08/22/10 164 Sw-i 08/23/10 163 Sw-i 08/24/10 169 Sw-i 08/25/10 167 Sw-i 08/26/10 167 Sw-i 08/27/10 169 Sw-i 08/28/10 169 sw-i 08/29/10 169 Sw-i 09/01/10 172 Sw-i 09/08/10 169 B-44

TABLE B-11.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

H-3 Sw-1 09/15/10

• 180 Sw-1 09/22/10

• 170 Sw-1 09/29/10

• 159 Sw-1 10/06/10

• 159 Sw-1 10/11/10

• 176 < 0.6 < 88 < 10 479 +/- 49 < 21 Sw-1 10/21/10

• 161 Sw-I 10/28/10

• 155 Sw-1 11/03/10

• 162 Sw-1 11/10/10

• 178 Sw-1 11/17/10

• 173 Sw-1 11/24/10

• 156 Sw-1 12/01/10

• 156 Sw-1 12/08/10

• 161 Sw-1 12/15/10

• 167 Sw-1 12/22/10

• 163 Sw-1 12/30/10

• 172 SW-2 01/01/10

• 168 SW-2 01/02/10

• 170 SW-2 01/03/10

• 170 SW-2 01/04/10

• 150 SW-2 01/05/10

• 149 SW-2 01/06/10

• 152 SW-2 01/07/10

• 174 SW-2 01/08/10

• 169 SW-2 01/09/10

• 168 SW-2 01/10/10

• 164 SW-2 01/11110

• 173 SW-2 01/12/10

• 176 SW-2 01/13/10 <164 SW-2 01114/10

• 165 SW-2 01/15/10

• 158 SW-2 01/16/10

• 166 SW-2 01/17/10

• 163 SW-2 01/18/10

• 163 SW-2 01/19/10

• 164 SW-2 01/20/10

• 155 SW-2 01/21/10

• 157 SW-2 01/22/10

• 159 SW-2 01/23/10

• 156 SW-2 01/24/10

• 155 SW-2 01/25/10

• 157 SW-2 01/26/10

• 149 SW-2 01/27/10 < 155 SW-2 01/28/10 < 148 B-45

TABLE B-11.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 01/29/10 146 SW-2 01/30/10 145 SW-2 01/31/10 147 SW-2 02/01/10 148 SW-2 02/02/10 160 SW-2 02/03/10 163 SW-2 02/04/10 157 SW-2 02/05/10 160 SW-2 02/06/10 165 SW-2 02/07/10 166 SW-2 02/08/10 165 SW-2 02/09/10 167 SW-2 02/10/10 162 SW-2 02/11/10 165 SW-2 02/12/10 165 SW-2 02/13/10 169 SW-2 02/14/10 169 SW-2 02/15/10 166 SW-2 02/16/10 169 SW-2 02/17/10 154 SW-2 02/18/10 147 SW-2 02/19/10 151 SW-2 02/20/10 145 SW-2 02/21/10 144 SW-2 02/22/10 157 SW-2 02/23/10 181 SW-2 02/24/10 179 SW-2 02/25/10 178 SW-2 02/26/10 165 SW-2 02/27/10 152 SW-2 02/28/10 145 SW-2 03/01/10 172 SW-2 03/02/10 177 SW-2 03/03/10 174 SW-2 03/04/10 155 SW-2 03/05/10 163 SW-2 03/06/10 164 SW-2 03/07/10 162 SW-2 03/08110 162 SW-2 03/09/10 165 SW-2 03/10/10 176 SW-2 03/11/10 155 SW-2 03/12/10 158 SW-2 03/13/10 153 B-46

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 03/14/10

• 152 SW-2 03/15/10

• 171 SW-2 03/16/10

• 172 SW-2 03/17/10

• 174 SW-2 03/18/10

• 170 SW-2 03/19/10

• 153 SW-2 03/20/10

• 151 SW-2 03/21/10

• 153 SW-2 03/22/10

• 154 SW-2 03/23/10

• 155 SW-2 03/24/10

• 153 SW-2 03/25/10

• 152 SW-2 03/26/10

• 156 SW-2 03/27/10

• 156 SW-2 03/28/10

• 153 SW-2 03/29/10

• 164 SW-2 03/30/10

• 169 SW-2 03/31/10

• 173 SW-2 04/01/10

• 174 SW-2 04/02/10

• 164 SW-2 04/03/10

• 165 SW-2 04/04/10

• 165 SW-2 04/05/10

• 171 SW-2 04/06/10

• 173 SW-2 04/07/10

• 161 SW-2 04/08/10

• 180 SW-2 04/09/10

• 179 SW-2 04/10/10

• 176 SW-2 04/11/10

• 181 SW-2 04/12/10

• 178 SW-2 04/13/10

• 176 SW-2 04/14/10

• 180 SW-2 04/15/10

• 179 SW-2 04/16/10

• 186 SW-2 04/17/10

• 179 SW-2 04/18/10

• 197 SW-2 04/19/10

• 177 SW-2 04/20/10

• 182 SW-2 04/21/10 < 161 SW-2 04/22/10 < 163 SW-2 04/23/10 < 169 SW-2 04/24/10 < 160 SW-2 04/25/10 < 164 SW-2 04/26110 < 176 B-47

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 04/27/10

• 170 SW-2 04/27/10

• 177 SW-2 04/28/10

• 160 SW-2 04/29/10

• 168 SW-2 04/30/10

• 164 SW-2 05/01/10

• 170 SW-2 05/02/10

• 172 SW-2 05/03/10

• 169 SW-2 05/04/10

• 168 SW-2 05105/10

• 180 SW-2 05106/10

• 180 SW-2 05/07/10

• 182 SW-2 05/08/10

• 162 SW-2 05/09/10 <164 SW-2 05/10/10

• 183 SW-2 05/11/10

• 180 SW-2 05/12/10

• 165 SW-2 05/13/10

• 163 SW-2 05/14/10

• 166 SW-2 05/15/10

• 168 SW-2 05/16/10

• 167 SW-2 05/17/10

• 165 SW-2 05/18/10

• 170 SW-2 05/19/10

• 175 SW-2 05/20/10

• 172 SW-2 05/21/10

• 169 SW-2 05/22/10

• 158 SW-2 05/23/10

• 153 SW-2 05/24/10

• 156 SW-2 05/25/10

• 153 SW-2 05/26/10

• 157 SW-2 05/27/10

• 156 SW-2 05/28/10

• 157 SW-2 05/29/10 <154 SW-2 05/30/10

• 156 SW-2 05/31/10

• 160 SW-2 06/01110

• 162 SW-2 06/02/10

• 159 SW-2 06/03/10

• 156 SW-2 06/04110

• 151 SW-2 06/05/10 < 154 SW-2 06/06/10 < 146 SW-2 06/07/10 < 150 SW-2 06/08/10 < 150 B-48

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 06/09/10 < 169 SW-2 06/10/10 < 173 SW-2 06/11/10 < 167 SW-2 06/12/10 < 157 SW-2 06/13/10 < 155 SW-2 06/14/10 < 157 SW-2 06/15/10 < 160 SW-2 06/16/10 < 167 SW-2 06/17110 < 170 SW-2 06/18/10 < 169 SW-2 06/19/10 < 168 SW-2 06/20/10 < 173 SW-2 06/21/10 < 168 SW-2 06/22/10 < 174 SW-2 06/23/10 < 168 SW-2 06/24/10 < 161 SW-2 06/25/10 < 165 SW-2 06/26/10 < 173 SW-2 06/27/10 < 168 SW-2 06/28/10 < 162 SW-2 06/29/10 < 160 SW-2 06/30/10 < 160 SW-2 07/01/10 < 164 SW-2 07/02/10 < 164 SW-2 07/03/10 < 169 SW-2 07/04/10 < 166 SW-2 07/05/10 < 162 SW-2 07/06/10 < 170 SW-2 07/07/10 < 165 SW-2 07/08/10 < 169 SW-2 07/09/10 < 166 SW-2 07/10/10 < 168 SW-2 07/11/10 < 169 SW-2 07/12/10 < 169 SW-2 07/13/10 < 166 SW-2 07/14/10 < 160 SW-2 07/15/10 < 160 SW-2 07/16/10 < 157 SW-2 07/17/10 < 179 SW-2 07/18/10 < 180 SW-2 07/19/10 < 159 SW-2 07/20/10 < 166 SW-2 07/21/10 < 174 SW-2 07/22/10 < 180 B-49

TABLE B-I1.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 07/23/10 178 SW-2 07/24/10 176 SW-2 07/25/10 175 SW-2 07/26/10 175 SW-2 07/27/10 177 SW-2 07/28/10 163 SW-2 07/29/10 149 SW-2 07/30/10 150 SW-2 07/31/10 146 SW-2 08/01/10 149 SW-2 08/02/10 149 SW-2 08/03/10 152 SW-2 08/04110 149 SW-2 08/05/10 166 SW-2 08/06110 174 SW-2 08/07/10 175 SW-2 08/08/10 174 SW-2 08/09/10 174 SW-2 08/10/10 174 SW-2 08/11/10 173 SW-2 08/12/10 168 SW-2 08/13/10 173 SW-2 08/14/10 174 SW-2 08/15/10 177 SW-2 08/16/10 171 SW-2 08/17/10 172 SW-2 08/18/10 175 SW-2 08/19/10 182 SW-2 08/20/10 181 SW-2 08/21/10 166 SW-2 08/22/10 165 SW-2 08/23/10 164 SW-2 08/24/10 166 SW-2 08/25/10 170 SW-2 08/26/10 165 SW-2 08/27/10 170 SW-2 08/28/10 171 SW-2 08/29/10 169 SW-2 08/30/10 173 SW-2 08/31/10 172 SW-2 09/01/10 173 SW-2 09/02/10 173 SW-2 09/03/10 172 SW-2 09/04/10 175 B-50

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 09/05/10 < 168 SW-2 09/06/10 < 169 SW-2 09/07/10 < 168 SW-2 09/08/10 < 170 SW-2 09/09/10 < 168 SW-2 09/10/10 < 181 SW-2 09/11/10 < 177 SW-2 09/12/10 < 181 SW-2 09/13/10 < 179 SW-2 09/14/10 < 178 SW-2 09115/10 < 168 SW-2 09/16/10 < 176 SW-2 09/17/10 < 176 SW-2 09/18/10 < 176 SW-2 09/19/10 < 180 SW-2 09/20/10 < 180 SW-2 09/21/10 < 178 SW-2 09/22/10 < 173 SW-2 09/23/10 < 173 SW-2 09/24/10 < 173 SW-2 09/25/10 < 171 SW-2 09/26/10 < 170 SW-2 09/27/10 < 159 SW-2 09/28/10 < 173 SW-2 09/29/10 < 172 SW-2 09/30/10 < 162 SW-2 10/01/10 < 158 SW-2 10/02/10 < 162 SW-2 10/03/10 < 158 SW-2 10/04/10 < 161 SW-2 10/05/10 < 164 SW-2 10/06/10 < 175 SW-2 10/07/10 < 173 SW-2 10/08/10 < 176 SW-2 10/09/10 < 172 SW-2 10/10/10 < 170 SW-2 10/11/10 < 175 < 0.6 < 87 < 10 484 +/- 50 < 21 SW-2 10/12/10 < 172 SW-2 10/13/10 < 176 SW-2 10/14/10 < 174 SW-2 10/17/10 < 165 SW-2 10/18110 < 163 SW-2 10/19/10 < 165 SW-2 10/20/10 < 163

'BR-51

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 10/21/10 163 SW-2 10/22/10 166 SW-2 10/23/10 166 SW-2 10124/10 162 SW-2 10/25/10 164 SW-2 10/26/10 160 SW-2 10/27/10 157 SW-2 10/28/10 152 SW-2 10/29/10 154 SW-2 10/30/10 151 SW-2 10/31/10 154 SW-2 11/01/10 162 SW-2 11/02/10 169 SW-2 11/03/10 162 SW-2 11/04/10 170 SW-2 11/05/10 176 SW-2 11/06/10 175 SW-2 11/07/10 174 SW-2 11/08/10 171 SW-2 11/09/10 176 SW-2 11/10110 177 SW-2 11/11/10 167 SW-2 11/12/10 166 SW-2 11/13/10 167 SW-2 11/14/10 166 SW-2 11/15/10 167 SW-2 11/16/10 172 SW-2 11/17/10 162 SW-2 11/18/10 165 SW-2 11/19/10 163 SW-2 11/20/10 160 SW-2 11/21/10 163 SW-2 11/22/10 165 SW-2 11/23/10 164 SW-2 11/24/10 159 SW-2 11125/10 156 SW-2 11/26/10 159 SW-2 11127/10 159 SW-2 11/28/10 159 SW-2 11/29/10 156 SW-2 11/30/10 159 SW-2 12/01/10 156 SW-2 12/02/10 162 SW-2 12/03/10 164 B-52

TABLE B-II.1 CONCENTRATIONS OF TRITIUM, STRONTIUM-90, GROSS ALPHA AND GROSS BETA IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA COLLECTION SITE DATE H-3 SR-90 GR-A (DIS) GR-A (SUS) GR-B (DIS) GR-B (SUS)

SW-2 12/04/10 < 165 SW-2 12/05/10 < 162 SW-2 12/06/10 < 167 SW-2 12/07/10 < 163 SW-2 12/08/10

• 162 SW-2 12/09/10 < 168 SW-2 12/10/10 < 165 SW-2 12/11/10 < 167 SW-2 12/12/10 < 170 SW-2 12/14/10 < 181 SW-2 12/15/10

• 167 SW-2 12/16/10 < 166 SW-2 12/17/10 < 166 SW-2 12/18/10 < 168 SW-2 12/19/10 < 164 SW-2 12/20/10 < 167 SW-2 12/21/10 < 163 SW-2 12/22/10 < 170 SW-2 12/23/10 < 172 SW-2 12/24/10 < 171 SW-2 12/25/10 < 171 SW-2 12/26/10 < 170 SW-2 12/27/10 < 171 SW-2 12/29/10 < 154 SW-2 12/30/10 < 154 SW-2 12/31/10 < 156 SW-3 04/27/10 < 153 B-53

TABLE B-1I.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD sw-i 01/01/10 <1 <1 <3 <1 <2 <1 <3 < 43 <1 <1

• 36 < 12 Sw-i 01/02/10 <1 <2 <5 <1 <2 <2 <3 < 99 <1 <1

• 60 < 18 Sw-i 01/03/10 <1 <1 <3 <1 <2 <2 <2 < 66 <1 <1 < 48

• 14 Sw-11 01/04/10 <1 <1 <3 <1 <2 <1 <2 < 36 <1 <1

• 28 <5 sw-i1 01/05/10 <1 <2 <4 <1 <3 <2 <3 < 46 <1 <1

• 36 < 16 Sw-i 01/06/10 <1 <2 <4 <1 <2 <2 <3 < 42 <1 <1

• 41 <11 Sw-i 01/07/10 <1 <1 <3 <1 <2 <1 <2 < 36 <1 <1 < 33 <9 Sw-i 01/08/10 <1 <2 <4 <1 <3 <2 <3 < 68 <1 <1 < 55 < 16

,= Sw-i 01/09/10 <1 <1 <4 <1 <1 <2 <3 < 45 <1 <1

• 38

• 12 Sw-i 01/10/10 <1 <1 <2 <1 <2 <1 <2 < 38 <1 <1

• 27 <8 Sw-i 01/11/10 <1 <1 <5 <1 <2 <2 <3 < 584 <1 <1

• 184 < 56 Sw-i 01/12/10 <1 <2 <5 <1 <2 <2 <3 < 550 <1 <1

• 180 < 58 Sw-i 01/13/10 <1 <1 <3 <1 <2 <2 <2 < 44 <1 <1

• 38 < 12 Sw-i 01/14/10 <1 <1 <2 <1 <2 <1 <2 < 34 <1 <1 < 30 <9 Sw-i 01/15/10 <1 <1 <3 <1 <2 <1 <2 < 33 <1 <1 < 29 <8 Sw-i 01/16/10 <1 <2 <3 <1 <2 <2 <3 < 43 <1 <1 < 35 < 12 Sw-i 01/17/10 <1 <1 <3 <1 <2 <1 <2 < 35 <1 <1

• 30 <9 Sw-i 01/18/10 <1 <2 <4 <1 <2 <2 <3 < 42 <1 <1 < 37 < 12 sw-i1 01/19/10 <1 <2 <4 <1 <2 <2 <3 < 45 <1 <1 < 40 < 11 Sw-i 01/20/10 <1 <1 <3 <1 <2 <1 <2 < 25 <1 <1

• 26 <7 Sw-i 01/21/10 <1 <2 <4 <1 <3 <2 <3 < 32 <1 <1

• 36 < 10 Sw-i 01/22/10 <1 <1 <3 <1 <2 <1 <3 < 24 <1 <1

• 27 <9 Sw-i 01/23/10 <1 <2 <4 <2 <3 <2 <3 < 32 <1 <1 < 35 <9 sw-i 01/24/10 <1 <1 <4 <1 <2 <1 <2 < 24 <1 <1 < 24 <7 Sw-i 01/25/10 <1 <1 <4 <1 <2 <2 <3 < 23 <1 <1 < 23 <9 Sw-i 01/26/10 <1 <2 <3 <1 <2 <1 <3 < 24 <1 <1 < 23 <9 Sw-i 01/27/10 <1 <1 <3 <1 <3 <1 <2 < 31 <1 <1

• 30 <9 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-11.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 0o-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-1 01/28/10 <1 <1 <4 <1 <2 <1 <2 < 29 <1 <1 < 28 <8 SW-l 01/29/10 <1 <1 <2 <1 <2 <1 <2 < 22 <1 <1 < 22 <6 SW-1 01/30/10 <1 <1 <2 <1 <2 <1 <2 < 18 <1 <1

• 17 <6 SW-1 01/31/10 <1 <2 <3 <1 <3 <2 <2 < 25 <1 <1

• 26 <8 SW-1 02/01/10 <1 <1 <2 <1 <2 <1 <2 < 18 <1 <1

• 21 <5 SW-i 02/02/10 <1 <1 <3 <1 <2 <1 <2 < 17 <1 <1 <17 <6 SW-1 02/03/10 <1 <1 <3 <1 <2 <1 <2 < 21 <1 <1

• 20 <7 SW-1 02/04/10 <1 <1 <3 <1 <2 <1 <3 < 28 <1 <1 < 24 <7 SW-1

• OSW-1 02/05/10 <1 <1 <3 <1 <2 <1 <2 < 22 <1 <1

• 22 <7 02/06/10 <1 <2 <4 <2 <2 <2 <3 < 24 <1 <2

• 27 <7 u*SW-1 02/07/10 <1 <2 <3 <1 <2 <2 <3 < 19 <1 <1

• 23 <7 SW-1 SW-l 02/08/10 <1 <1 <3 <1 <2 <1 <2 < 12 <1 <1 <17 <5 SW-1 02/09/10 <1 <1 < 3 <1 <2 <1 <3 < 27 <1 <1

• 27 <8 02/10/10 <1 <1 <2 <1 <1 <1 <2 < 19 <1 <1

• 21 <7 SW-1 02/11/10 <1 <1 <2 <1 <2 <1 <2 < 19 <1 <1 *19 <7 SW-1 02/12/10 <1 <2 <4 <1 <2 <2 <3

• 20 <1 <1

• 22 <8 SW-1 02/13/10 <1 <1 <3 <1 <2 <1 <2 < 18 <1 <1

• 20 <5 SW-1 02/14/10 <1 <1 <3 <1 <2 <'2 < 20 <1 <1

• 22 <4 SW-1 Sw-1 <2 02/15/10 <1 <1 <.4 <1 <2 <1 < 17 <1 <1

• 21 <6 SW-1 <2 02/16/10 <1 <1 <2 <1 <2 <1

• 14 <1 <1 <17 <5 SW-1 <3 02/17/10 <2 <2 <4 <2 <4 <2 <13 <2 <2 <21 <6 SW-1 <4 SW-1 02/18/10 <2 <2 <5 <2 <4 <2 *13 <2 <2

• 22 <7 SW-1 <4 02/19/10 <2 <2 <4 <2 <3 .52 <11 <2 <2 *18 <6 SW-1 3<

02/20/10 <1 <2 <4 <2 <3 <2 <9 <1 <1

• 16 <5 SW-1 02/21/10 <3 <3 <7 <3 <6 <3 <6 < 14 <2 <3

• 27 <9 SW-i 02/22/10 <2 <2 <5 <2 <4 <2 <3 <9 <2 <2 *17 <6 02/23/10 <2 <2 <5 <2 <5 <3 <4 <13 <2 <3

• 22 <7 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-i 02/24/10 <2 <2 <5 <2 <4 <2 <3 <10 <2 <2 <18 <6 SW-i 02/25/10 <2 <2 <5 <2 <4 <2 <4 <9 <2 <2

• 18 <6 SW-i 02/26/10 <3 <3 <7 <3 <6 <3 <5 < 14 <3 <3 < 27 <7 SW-i 02/27/10 <2 <3 <6 <2 <5 <3 <4 <10 <2 <2 <19 <7 SW-i 02/28/10 <2 <2 <5 <2 <4 <2 <3 <9 <2 <2 <17 <5 SW-i 03/01/10 <1 <1 <2 <1 <1 <1 <1 <7 <1 <1 <10 <2 SW-i 03/02/10 <1 <2 <4 <1 <3 <2 <3 <15 <1 <1 < 21 <7 SW-i 03/03/10 <1 <1 <3 <1 <2 <1 <2 <11 <1 <1 <19 <5

,= SW-i 03/04/10 <1 <2 <3 <1 <3 <1 <3 <11 <1 <1

• 16 <5 SW-i 03/05/10 <2 <2 <4 <2 <3 <2 <3 < 16 <2 <2 < 23 <7 SW-i .03/06/10 <1 <1 <3 <1 <2 <1 <2 <9 <1 <1 <13 <4 SW-i 03/07/10 <1 <2 <4 <1 <3 <2 <3 <11 <1 <1

• 17 <4 SW-i 03/08/10 <1 <1 <2 <1 <1 <1 <1 <5 <1 <1 <9 <2 SW-i 03/09110 <1 <1 <3 <1 <3 <1 <2 <8 <1 <1 < 13 <4 SW-i 03/10/10 <1 <1 <2 <1 <2 <1 <2 <5 <1 <1 <8 <3 SW-i 03/11/10 <1 <2 <4 <2 <3 <2 <3 < 12 <1 <1 <19 <5 SW-i 03/12/10 <1 <2 <4 <1 <3 <2 <3

• 14 <1 <2 < 21 <5 SW-i 03/13/10 <1 <1 <3 "< 1 <2 <1 <2 <11 <1 <1

• 17 <4 SW-i 03/14/10 <1 <1 <2 <1 <2 <1 <2 <9 <1 <1 <15 <4 Sw-i 03/15/10 <1 <1 <3 <1 <2 <1 <2 <11 <1 <1

• 15 <3 SW-i 03/16/10 <1 <1 <3 <.1 <2 <1 <2 <9 <1 <1 <14 <4 Sw-i 03/17/10 <2 <2 <4 <2 <3 <2 <4 <11 <2 <2

• 18 <6 SW-i 03/18/10 <1 <2 <4 <2 <3 <2 <3 <11 <1 <2 <18 <6 SW-i 03/19/10 <2 <2 <4 <1 <3 <2 <3 < 12 <1 <2

• 19 <6 SW-i 03/20/10 <2 <2 <4 <1 <3 <2 <4 <14 <2 <2 < 21 <6 SW-i 03/21/10 <3 <3 <6 <3 <5 <3 <5 <11 <2 <3

• 22 <7 Sw-i 03/22/10 <2 <2 <4 <2 <4 <2 <3 <7 <2 <2 <15 <4 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-1I.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD Sw-1 03/23/10 <1 <1 <3 <2 <2 <2 <3 < 15 <1 <1 < 19 <5 Sw-i 03/24/10 <1 <1 <2 <1 <2 <1 <2 < 11 <1 <1 < 15 <4 Sw-i 03/25/10 <1 <1 <3 <1 <2 <1 <3 < 12 <1 <1 < 15 <6 Sw-i 03/26/10 <1 <1 <3 <1 <2 <2 <2 < 12 <1 <1 < 18 <5 Sw-i 03/27/10 <1 <2 <3 <1 <3 <2 <3 <9 <1 <2 < 17 <4 Sw-i 03/28/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 20 <6 Sw-i 03/29/10 <1 <2 <4 <2 <3 <2 <3 <8 <1 <2 < 15 <5

.5w-i 03/30/10 <2 <2 <4 <2 <4 <2 <3 < 10 <2 <2 < 18 <6

,= Sw-i 03/31/10 <2 <3 <7 <3 <5 <3 <5 < 14 <2 <3 < 25 <7 Sw-i 04/01/10 <3 <3 <7 <3 <6 <3 <5 < 13 <3 <3 < 26 <8 Sw-i 04/02/10 <2 <3 <6 <2 <5 <3 <5 < 14 <2 <2 < 24 <7 Sw-i 04/03/10 <3 <3 <6 <2 <5 <3 <5 < 15 <3 <3 < 26 <7 Sw-i 04/04110 <2 <2 <5 <2 <5 <3 <4 < 11 <2 <2 < 19 <6 Sw-i 04/05/10 <3 <4 <7 <3 <6 <4 <6 < 14 <4 <4 < 26 <6 Sw-i 04/06/1.0 <2 <3 <6 <2 <5 <3 <4 <8 <2 <2 < 17 <5 Sw-i 04/07/10 <2 <3 <6 <3 <5 <3 <5 < 13 <2 <3 < 25 <8 Sw-i 04/08/10 <2 <3 <6 <2 <5 <3 <5 < 12 <2 <3 < 21 <7 Sw-i 04/09/10 <3 <3 <7 <3 <6 <3 <6 < 15 <3 <3 < 27 <7 Sw-i 04/10/10 < 2 <2 <4 <2 <4 < 2 <4 <7 <2 <2 < 15 <4 Sw-i 04/11/10 <2 < 2 <4 <2 <4 <2 <3 <6 <2 <2 < 14 <4 Sw-i 04/12/10 <4 <.5 < 10 <4 <9 <5 <8 < 14 <4 <4 < 31 < 10 Sw-i 04/13/10 <2 <2 <4 <2 <4 <2 <4 <6 <2 <2 < 14 <4 Sw-i 04/14/10 <2 <2 <4 <2 <4 <2 <5 <2 <2 < 12 <4 Sw-i 10/11/10 <3 <3 <6 <3 <5 <3 <5 < 15 <2 <3 < 26 <8 Sw-i 10/21110 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 21 <6 Sw-i 10/28/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 21 <7 Sw-l 11/03110 <2 <2 <4 <2 <4 <2 <3 <7 <2 <2 <15

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-1 34 Cs-137 Ba-140 La-140 PERIOD SW-1 11/10/10 <4 <5 < 11 <10 <5 <9 < 14 <4 <5 < 32 < 11 SW-1 11/17/10 <3 <3 <5 <5 <3 <5 <9 <3 <3

• 19 <7 SW-1 11/24/10 <5 <7 < 17 < 10 <7 <13 < 207 <5 <5

• 170 < 56 SW-1 12/01/10 <2 <2 <5 <4 <2 <4 < 43 <2 <2 <44 < 15 SW-1 12/08/10 <3 <3 <8 <5 <3 <6 < 29 <3 <3 < 41 < 13 SW-1 12/15/10 <3 <3 <6 <6 <3 <5 <14 <2 <3

• 27 <8 SW-1 12/22/10 <2 <2 <6 <6 <3 <5 <13 <2 <3 < 23 <7 SW-1 12/30/10 <2 <2 <5 <4 <2 <4 < 11 <2 <2 < 20 <6 MCD 01/01/10 <1 <1 <3 <2 <1 <2 < 47 <1 <1 < 39 < 10 00 <1 <1 <1 < 58 < 21 MCD. 01/02/10 <2 <4 <2 <2 <3 < 87 MCD 01/03/10 <1 <1 <4 <2 <2 <2 < 69 <1 <1 < 50 < 14 MCD 01/04/10 <1 <2 <4 <2 <2 <3 < 55 <1 <1 < 48 < 13 MCD 01/05/10 <1 <2 <4 <3 <2 <3 < 44 <1 <1 < 43 < 11 MCD 01/06/10 <1 <2 <4 <2 <2 <3 < 45 <1 <1 < 39 < 14 MCD 01/07/10 <1 <2 <4 <2 <2 <3 < 72 <1 <1 <54 < 16 MCD 01/08/10 <1 <2 <4 <3 <2 <3 < 67 <1 <1 < 53 < 17 MCD 01/09/10 <1 <1 <4 <3 <2 <3 < 52 <1 <1 < 46 < 14 MCD . 01/10/10, < 1 <1 <3 <1 <2 < 47 <1 <1 < 38 < 11 MCD 01/11/10 <1 <1 <4 <2 <2 <3 < 426 <1 <1 < 143 < 39 MCD 01/12/10 <1 <2 <5 <2 <2 <4 < 568 <1 <1 < 199 < 59 MCD 01/13/10 <1 <1 <3 <2 <1 <2 < 43 <1 <1 < 33 < 11 MCD 01/14/10 <1 <1 <4 <2 <1 <2 < 39 <1 <1 < 33 < 12 MCD 01/15/10 <1 <1 <4 <2 <1 <2 < 43 <1 <1 <34 < 10 MCD 01/16/10 <1 <1 <3 <2 <1 <2 < 37 <1 <1 < 31 < 11 MCD 01/17/10 <1 <1 <3 <2 <1 <2 < 34 <1 <1 < 30 <9 MCD 01/18/10 <1 <2 <4 <3 <2 <3 < 53 <1 <1 < 42 < 12 MCD 01/19/10 <1 <2 <4 <3 <2 <3 < 53 <1 <1 < 48 < 12 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-11.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MCD 01/20/10 <1 <1 <3 <1 <2 <1 <2 < 28 <1 <1 < 32 < 10 MCD 01/21/10 <1 <2 <3 <1 <2 <1 <3 < 32 <1 <1 < 30 <8 MCD 01/22/10 <1 <1 <3 <1 <3 <2 <3 < 27 <1 <1 < 28 <9 MCD 01/23/10 <1 <1 <4 <1 <2 <2 <2 < 29 <1 <1 < 33 <8 MCD 01/24/10 <1 <2 <4 <1 <3 <2 <3 < 25 <1 <1 < 30 <7 MCD 01/25/10 <1 <1 <3 <1 <2 <1 <2 < 20 <1 <1 < 23 <7 MCD 01/26/10 <1 <2 <4 <1 <3 <2 <3 < 29 <1 <1 < 30 <8 MCD 01/27/10 <1 <1 <3 <1 <3 <1 <3 < 35 <1 <1 <34 < 10 MCD 01/28/10 <1 <1 <3 <1 <2 <1 <2 < 27 <1 <1 < 25 <7 MCD 01/29/10 <1 <1 <4 <1 <2 <2 <3 < 31 <1 <1 < 31 <9 MCD 01/30/10 <1 <1 <3 <1 <2 <1 <3 < 28 <1 <1 < 29 <8 MCD 01/31/10 <1 <1 <3 <1 <2 <1 <2 < 22 <1 <1 < 27 <6 MCD 02/01/10 <1 <1 <3 <1 <2 <1 <2 < 22 <1 <1 < 23 <7 MCD 02/02/10 <1 <1 <3 <1 <2 <1 <2 < 20 <1 <1 < 24 <7 MCD 02/03/10 <1 <1 <3 <1 <2 <1 <2 < 34 <1 <1 < 32 < 10 MCD 02/04/10 <1 <1 <3 <1 <2 <1 <2 < 25 <1 <1 < 25 <6 MCD 02/05/10 <1 <1 <3 <1 <2 <1 < 3. < 30 <1 <1 < 27 <7 MCD 02/06/10 <2 <2 <5 <2 <3 <2 <3 < 28 <1 <2 < 30 < 10 MCD 02/07/10 <1 <1 <3 <1 <2 <2 <3 < 17 <1 <1 < 22 <6 MCD 02/08/10 <1 <2 <4 <1 <3 <2 <3 < 17 <1 <1 < 24 <7 MCD 02/09/10 <1 <1 <3 <1 <2 <1 <2 < 23 <1 <1 < 24 <7 MCD 02/10/10 <1 <1 <4 <2 <2 <1 <2 < 27 <1 <1 < 30 <9 MCD 02/11/10 <1 <1 <2 <1 <2 <1 S <2 < 18 <1 <1 < 19 <5 MCD 02/12/10 <1 <1 <.3 <1 <2 <1 S<2 < 18 <1 <1 < 19 <5 MCD 02/13/10 <1 <1 <3 <1 <2 <1 <3 < 18 <1 <1 < 21 <6 MCD 02/14/10 <1 <1 <3 <1 <2 <1 <2 < 15 <1 <1 < 19 <6 MCD 02/15/10 <1 <1 <3 <1 <2 <1 <2 < 14 <1 <1 < 18 <5 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MCD 02/16/10 <1 <1 <2 <1 <2 <1 < 12 <1 <1 < 15 <4 MCD 02/17/10 <2 <2 <5 <2 <4 <2 < 14 <2 <2 < 26 <8 MCD 02/18/10 <2 <2 <3 <1 <3 <2 < 11 <2 <2 < 19 <5 MCD 02/19/10 <2 <2 <5 <2 <4 <2 < 14 <2 <2 < 21 <6 MCD 02/20/10 <2 <2 <6 <2 <4 <3 < 14 <2 <2 < 24 <7 MCD 02/21/10 <2 <2 <5 <2 <4 <2 < 11 <2 <2 < 19 <6 MCD 02/22/10 <2 <2 <4 <2 <4 <2 < 11 <2 <2 < 18 <5 MCD 02/23/10 <2 <3 <6 <3 <5 <3 < 14 <2 <3 < 24 <8 MCD 02/24/10 <2 <3 <5 <2 <5 <3 < 14 <2 <3 < 25 <6 0* <3 < 14 <2 <3 < 25 <8 MCD 02/25/10 <2 <3 <6 <3 <5 MCD 02/26/10 <2 <2 <5 <2 <4 <2 < 11 <2 <2 < 20 <5 MCD 02/27/10 <2 <3 <5 <2 <4 <3 < 12 <2 <2 < 23 <6 MCD 02/28/10 <3 <3 <7 <3 <6 <3 < 13 <3 <3 < 26 <8 MCD 03/01/10 <1 <1 <3 <1 <2 <1 <9 <1 <1 < 14 <4 MCD 03/02/10 <t <1 <3 <1 <2 <1 < 12 <1 <1 < 16 <5 MCD 03/03/10 <1 <1 <3 <1 <2 <1 < 10 <1 <1 < 15 <5 MCD 03/04/10 <3 <3 <7 <2 <5 <3 < 27 <3 <3 < 38 <9 MCD - 03/05/10 <3 <3 <7 <3 <5 <3 <24 <3 <3 < 36 < 11 MCD 03/06/10 <1 <1 <4 <1 <3 <2 < 12 <1 <1 < 18 <6 MCD 03/07/10 <1 <2 <4 <2 <3 <2 < 13 <1 <1 < 20 <5 MCD 03/08/10 <1 <1 <3 <1 <2 <1 <7 <1 <1 < 13 <4 MCD 03/09/10 <1 <1 <2 <1 <2 <1 <7 <1 <1 < 11 <3 MCD 03/10/10 <1 <1 <2 <1 <2 <2 <4 <1 <1 <8 <2 MCD - 03/11/10 <2 <2 <4 <2 <3 <2 < 13. <1 <2 < 22 <7 MCD 03/12/10 <1 <2 <3 <1 <2 <1 < 15 <1 <2 < 21 <3 MCD 03/13/10 <1 <1 <3 <1 <2 <2 < 15 <1 <2 < 20 <4 MCD 03/14/10 <1 <1 <3 <1 <2 <1 < 10 <1 <1 < 16 <4 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MCD 03/15/10 <1 <2 <4 <1 <3 <2 <3 <11 <1 <1 < 18 <6 MCD 03/16/10 <1 <2 <3 <1 <3 <2 <3 <11 <1 <1 < 16 <5 MCD 03/17/10 <1 <1 <2 <1 <2 <1 <2 <7 <1 <1 < 10 <4 MCD 03/18/10 <1 <1 <3 <1 <3 <2 <3 < 11 <1 <1 < 16 <5 MCD 03/19/10 <2 <2 <4 <2 <3 <2 <3 < 12 <1 <1 < 20 <6 MCD 03/20/10 <1 <1 <3 <1 <3 <2 <3 < 12 <1 <1 < 17 <5 MCD 03/21/10 <3 <3 <6 <3 <6 <3 <5 < 12 <2 <3 < 22 <7 MCD 03/22/10 <3 <3 <7 <3 <6 <3 <5 < 11 <2 <3 < 21 <7 MCD 03/23/10 <1 <1 <3 <1 <2 <1 <2 < 13 <1 <1 < 16 <5 MCD 03/24/10 <1 <1 <3 <1 <2 <1 <2 <9 <1 <1 < 15 <4 MCD 03/25/10 <1 <1 <2 <1 <2 <1 <2 < 12 <1 <1 < 16 <4 MCD 03/26/10 <1 <2 <4 <1 <3 <2 <3 < 15 <1 <2 < 20 <6 MCD 03/27/10 <2 <2 <4 <2 <4 <2 <4 < 15 <2 <2 < 23 <4 MCD 03/28/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 19 <6 MCD 03/29/10 <3 <3 <7 <3 <6 <3 <5 < 15 <3 <3 < 27 <8 MCD 03/30/10 <2 <3 <6 <3 <5 <3 <5 < 15 <2 <3 < 25 <7 MCD 03/31/10 <2 <2 <5 <2 <4 <3 <4 < 11 <2 <2 < 21 <7 MCD 04/01/10 <2 <2 <4 <<2 <3 <2 <4 < 12 <2 <2 < 20 <3 MCD 04/02/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 20 <6 MCD 04/03/10 <2 <2 <6 <2 <5 <3 <5 < 13 <2 <2 < 21 <8 MCD 04/04/10 <2 <2 <5 <2 <5 <2 <4 < 11 <2 <2 < 19 <6 MCD 04/05/10 <2 <3 <6 <2 <5 <3 <4 <8 <2 <3 < 17 <5 MCD 04/06/10 <3 <3 <6 <3 <6 5.<5 <8 <3 <3 < 19 <6 MCD 04/07/10 <2 <3 <6 <2 <5 < 3 <5 <.13 <2 <3 < 25 <8 MCD 04/08/10 <3 <3 <7 <3 <5 <3 <5 < 13 <2 <3 < 24 <8 MCD 04/09/10 <3 <3 <8 <3 <6 <4 <6 < 14 <3 <3 < 27 <9 MCD 04/10/10 <3 <3 <6 <3 <6 <3 <5 < 11 <3 <3 < 22 <7

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER t 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-1 34 Cs-137 Ba-140 La-140 PERIOD MCD 04/11/10 <3 <3 <6 <3 <5 <3 <5 <8 <2 <3 < 19 <6 MCD 04/12/10 <3 <3 <7 <3 <5 <3 <5 <9 <3 <3 < 18 <6 MCD 04/13/10 <3 <3 <5 <2 <6 <3 <5 <9 <3 <3 < 18 <5 MCD 04/14/10 <3 <3 <6 <3 <6 <3 <5 <8 <3 <3 < 18 <6 MCD 10/11110 <2 <3 <6 <2 <4 <3 <5 < 14 <2 <2 < 24 <7 MCD 10/21/10 <1 <2 <4 <2 <3 <2 <3 < 10 <2 <2 < 17 <4 MCD 10/21/10 <2 <3 <6 <2 <5 <3 <5 < 13 <2 <2 < 25 <6 MCD 10/21/10 <2 <2 <5 <3 <5 <3 <4 < 12 <2 <3 < 23 <8 MCD 10/23/10 <2 <2 <6 <2 <5 <3 <5 < 11 <2 <2 < 21 <5 MCD 10/24/10 <2 <2 <5 <3 <5 <2 <4 <9 <2 <2 < 19 <7 MCD 10/26/10 <3 <4 <8 <4 <6 <4 <6 < 13 <3 <4

• 28 <9 MCD 10/27/10 <3 <2 <6 <3 <5 <3 <4 <8 <2 <3 < 19 <6 MCD 10/28/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 20 <6 MCD 10/29/10 <2 <2 <5 <2 <4 <2 <4 < 12 <2 <2 < 21 <6 MCD 10/31/10 <3 <3 <7 <4 <6 <4 <7 < 13 <3 <3 < 27 <8 MCD 11/01/10 <3 <3 <7 <3 <6 <3 <6 < 13 <3 <3 < 26 <7 MCD 11/01/10 <2 <3 <6 <2 <4 <3 <4 < 30 <2 <2 < 38 < 12 MCD 1-1/02/10 <'2 <2 <5 <2 <4 <2 <4 <8 < 2 <2 < 16 <5 MCD 11/02/10 <2 <2 <5 <2 <4 <2 <4 < 28 <2 <2 < 37 < 11 MCD 11/03/10 <2 <2 <4 <2 <3 <2 <3 <7 <2 <2 < 13 <4 MCD 11/10/10 <3 <3 <7 <3 <6 <3 <6 <9 <3 <3 < 21 <6 MCD 11/16/10 <3 <3 <6 <3 <6 <3 <5 < 10 <3 <3 < 23 <6 MCD 11/16/10 <3 <3 <7 <3 <6 <3 <5 < 13 <3 <3 < 24 <8 MCD 11/17/10 <2 <2 <5 <3 <5 <3 <5 <8 <2 <3 < 18 <6 MCD' 11/17/10 <2 <3 <6 <3 <5 <3 <5 < 11 <2 <3 < 21 <7 MCD 11/18/10 <3 <3 <6 <3 <5 <3 <5 <9 <2 <2 < 20 <7 MCD 11/19/10 <2 <3 <5 <3 <5 <3 <5 <9 <2 <3 < 19 <5 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MCD 11/20/10 <2 <2 <5 <2 <5 <3 <4 <7 <2 <3 < 17 <5 MCD 11/21/10 <3 <3 <7 <3 <5 <3 < 5 < 9 < 3 <3 < 21 <6 MCD 11/22/10 <2 <2 <5 <:2 <5 <2 <4 <7. <2 <2 < 15 <4 MCD 11/23/10 <5 <6 < 11 <6 < 11 <5 < 10 < 14 <5 <6 < 33 < 12 MCD 11/24/10 <2 <2 <5 <:2 <:3 <2 <4 < 57 <1 < 2 < 56 < 16 MCD 11/25/10 <2 <2 <4 <:2 <:3 <2 <4 < 55 <1 <2 < 48 < 15 MCD 11/26110 <1 <1 <4 <1 <2 <2 < 44 <1 <1 < 40 < 13

<3 MCD 11/27110 <1 <1 <4 <2 <3 <2 <3 < 47 <1 <1 < 39 < 14 MCD 11/28/10 <2 <2 <4 <1 <3 <2 <3 < 36 <1 <1 < 40 < 13 MCD 11/29/10 <2 <2 <4 <2 <3 <2 <3 < 41 <1 <2 < 41 < 11 MCD 11/30/10 <2 <2 <5 <2 <3 <2 <3 < 39 <1 <2 < 42 < 13 MCD 12/01/10 <2 <2 <5 <2 <3 <2 <4 < 48 <1 <2 < 45 < 14 MCD 12/02/10 <2 <:3 <7 <2 <5 <:3 <5 < 34 < 2 <2 < 43 < 12 MCD 12/03/10 <2 <2 <5 <2 <4 <3 <5 < 28 <2 <2 < 41 < 13 MCD 12/04/10 <2 <3 <7 <2 <:6 <:4 <6 < 38 <2 <3 < 46 < 15 MCD 12/05/10 <3 <3 <7 <:3 <6 <3 <6 < 35 <2 <3 < 47 < 13 MCD 12/06/10 <:2 <2 <6 <2 <4 <2 <4 < 27 <2 <2 < 37 < 13 MCD 12/07/10 <3z <:3 <8 <:3 <6 "<6 < 30 <2 <3 < 46 < 14

<4 MCD 12/08/10 <2 <2 <6 <2 <4 <2 <5 < 22 <2 <2 < 32 < 11 MCD 12/09/10 <:2 <2 <5 <:2 <4 <2 <4 < 22 < 2 <2

• 29 <8 MCD 12/10/10 -< 2 < 2 <5 <2 <4 <2 <4 < 22 <2 <2 < 29 < 10 MCD 12/11/10 <2 <2 <5 <3 <4 <2 <4 < 15 <2 <2 < 24 <:8 MCD 12/12/10 <2 <3 <6 <3 <5 <6 < 15 <2 <2 < 26 <8 MCD 12/13/10 <2 <2 <5 <2 <4 < 2.. <4 < 13 <2 <2 < 22 <7 MCD 12/14/10 <2 <2 <5 <2 <5 <3 <4 < 13 <2 <3 < 23 <6 MCD 12/15/10 <2 <2 <4 <2 <:3 <2 <3 <9 <2 < 2 < 17 <5 MCD 12/16/10 <:3 <3 <8 <3 <7 <4 <6 < 29 <3 <3 < 41 < 11 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-11.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD MCD 12/17/10 <2 <2 <4 <2 <4 <2 <3 < 12 <2 <2 < 21 <6 MCD 12/18/10 <3 <3 <7 <4 <6 <4 <6 < 22 <3 <3 < 37 < 11 MCD 12/19/10 <2 <2 <5 <2 <4 <2 <3 < 1.1 <2 <2 < 22 <6 MCD 12/20/10 <2 <2 <5 <2 <4 <2 <4 < 12 <2 <2 < 20 <5 MCD 12/21/10 <2 <2 <5 <2 <5 <3 <4 < 12 <2 <2 < 24 <8 MCD. 12/22/10 <2 <3 <5 <2 <5 <3 <5 < 13 <2 <2 < 24 <7 MCD 12/23/10 <2 <3 <6 <2 <4 <3 <5 < 14 <2 <3 < 24 <7 MCD 12/25/10 <3 <3 <7 <3 <6 <3 <5 < 14 <3 <3 < 28 <7 MCD 12/26/10 <3 <2 <6 <2 <5 <3 <4 < 11 <2 <2 < 22 <7 MCD 12/27/10 <2 <2 <5 <2 <5 <3 <5 < 14 <2 <2 < 25 <6 MCD 12/28/10 <3 <2 <5 <2 <5 <3 <5 < 12 <2 <3 < 25 <5 MCD 12/29/10 <2 <3 <5 <3 <6 <3 <5 < 12 <3 <3 < 23 <7 MCD 12/30/10 <3 <3 <6 <4 <6 <3 <5 < 12 <2 <3 < 21 <5 MCD 12/31/10 <2 <2 <4 <2 <3 <2 <3 <9 <2 <2 < 18 <5 SW-2 01/01/10 <1 <2 <5 <1 <3 <2 <3 < 60 <1 <1 < 48 < 15 SW-2 01/02/10 <1 <2 <4 <1 <3 <2 <3 < 111 <1 <1 < 73 < 21 SW-2 01/03/10 <1 <2 <5 <1 <2 <2 <4 < 96 <1 <1 < 66 < 20 Sw-2

' ilobilO <1 <2 <4 <'1 <2 <2 <3 < 53 <1 <1 < 42 < 12 SW-2 01/05/10 <1 <2 <4 <1 <3 <2 <3 < 48 <1 <1 < 42 < 11 SW-2 01/06/10 <1 <1 <3 <1 <2 <2 <2 < 33 <1 <1 < 29 < 10 SW-2 01/07/10 <1 <2 <5 <2 <2 <2 <3 < 82 <1 <1 < 56 < 16 SW-2 01/08/10 <1 <2 <4 <1 <2 <2 <3 < 69 <1 <1 < 51 < 16 SW-2 01/09/10 <- <2 <4 <1 <3 <2 <3 < 65 <1 <1 < 52 < 14 SW-2 01/10/10 < 1. <1 <4 <1 <2 <2 <2 < 58 <1 <1 < 43 < 11 SW-2 01/11/10 <1 <2 <5 <1 <2 <2 <3 < 462 <1 <1 < 158 <44 SW-2 01/12/10 <1 <1 <4 <1 <1 <1 <2 < 366 <1 <1 < 116 < 39 SW-2 01/13/10 <1 <1 <4 <1 <2 <1 <3 < 46 <1 <1 < 39 < 12 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 01/14/10 <1 <1 <3 <1 <2 <1 <2 < 32 <1 <1 < 27 <9 SW-2 01/15/10 <1 <2 <4 <1 <2 <2 <3 < 42 <1 <1 < 40 <9 SW-2 01/16/10 <1 <1 <3 <1 <2 <1 <2 < 38 <1 <1 < 31 <9 SW-2 01/17/10 <1 <1 <3 <1 <2 <1 <2 < 30 <1 <1 < 27 <8 SW-2 01/18/10 <1 <2 <4 <1 <3 <2 <3 < 58 <1 <1 < 48 < 14 SW-2 01/19/10 <1 <1 <3 <1 <2 <1 <2 < 36 <1 <1 < 35 <9 SW-2 01/20/10 <1 <1 <3 <1 <2 <1 <2 < 25 <1 <1 < 23 <9 SW-2 01/21/10 <1 <1 <3 <1 <2 <1 <2 < 30 <1 <1 < 28 <9 SW-2 01/22/10 <1 <1 <3 <1 <2 <1 <2 < 24 <1 <1 < 27 <7 SW-2 01/23/10 <1 <1 <3 <1 <2 <1 <2 < 23 <1 <1 < 22 <7 SW-2 01/24/10 <2 <2 <4 <2 <3 <2 <3 < 42 <1 <1 < 37 < 10 SW-2 01/25/10 <1 <1 <4 <1 <2 <1 <3 < 23 <1 <1 < 25 <9 SW-2 01/26/10 <1 <1 <3 <1 <2 <1 <3 < 21 <1 <1 < 25 <8 SW-2 01/27/10 <1 <1 <3 <1 <2 <1 <2 < 27 <1 <1 < 27 <8 SW-2 01/28/10 <1 <1 <3 <1 <2 <1 <2 < 29 <1 <1 < 27 <9 SW-2 01/29/10 <1 <1 <3 <1 <2 <1 <3 < 26 <1 <1 < 27 <7 SW-2 01/30/10 <1 <1 <2 <1 <2 <1 <2 < 23 <1 <1 < 26 <7 SW-2 01/31/10 <1 <1 <3 <1 <2 <1 <2 < 26 <1 <1 < 25 <8 SW-2 02/01/10 <1 <1 <3 <1 <2 <1 <2 < 18 <1 <1 < 20 <6 SW-2 02/02/10 <1 <1 <3 <1 <2 <1 <2 < 18 <1 <1 < 18 <7 SW-2 02/03/10 <1 <1 <3 <1 <2 <1 <2 < 28 <1 <1 < 29 <9 SW-2 02/04/10 <1 <1 <3 <1 <2 <1 <2 < 24 <1 <1 < 28 <7 SW-2 02/05/10 <1 <1 <3 <1 <2 <1 <3 < 26 <1 <1 < 28 <8 SW-2 02/06/10 <1 '< 2 <4 <2 <2 <3 < 22 <1 <1 < 29 <6

<1 <2 <1 SW-2 02/07/10 <1 <4 <1 <3 <3 < 21 <1 < 26 <5

<1 <2 <1 SW-2 02/08/10 <1 <3 <1 <2 <2 < 15 <1 < 20 <8

<1 <1 <1 <1 SW-2 02/09/10 <1 <3 <1 <2 <2 < 28 < 28 <6 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 02/10/10 <1 <1 <3 <1 <2 <1 <3 < 27 <1 <1 < 27 <9 SW-2 02/11/10 <1 <1 <2 <1 <2 <1 <2 < 18 <1 <1 < 20 <6 SW-2 02/12/10 <1 <1 <3 <1 <2 <2 <3 < 21 <1 <1 < 24 <6 SW-2 02/13/10 <1 <3 <1 <2 <1 <2 < 15 <1 <1 < 17 <5

<1 SW-2 02/14/10 <1 <2 <1 <2 <1 <2 < 12 <1 <1 < 16 <4

<1 SW-2 02/15/10 <1 <3 <1 <2 <1 <2 < 14 <1 <1 < 19 <5

<1 SW-2 02/16/10 <1 <3 <1 <2 <1 <2 < 13 <1 <1 < 15 <5

<2 SW-2 02/17/10 <2 <4 <2 <4 <2 <5 < 14 <2 <2 < 23 <7

<2 tw SW-2 02/18/10 <2 <4 <2 <4 <2 <4 < 12 <2 <2 < 21 <6 ON <2 (ON SW-2 02/19/10 <3 <6 <2 <4 <3 <5 < 14 <2 <2 < 26 <8

<2 SW-2 02/20/10 <2 <5 <2 <4 <2 <4 < 13 <2 <2 < 23 <7

<2 SW-2 02/21/10 <2 <3 <5 <2 <5 <3 <5 < 14 <2 <3 < 25 <7 SW-2 02/22/10 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 20 <6

<3 SW-2 02/23/10 <3 <6 <3 <5 <3 <5 < 14 <2 <3 < 25 <8

<2 SW-2 02/24/10 <3 <6 <2 <5 <3 <5 < 13 <2 <2 < 24 <7

<2 SW-2 02/25/10 <3 <6 <2 <4 <3 <5 < 13 <2 <3 < 24 <7

<2 SW-2 02/26/10 <2 <5 <2 <4 <2 <4 < 12 <2 <2 < 21 <6

<3 <3 SW-2' 02/27/10 <3 <6 <'2 <5 -< 5 < 12 <2 <3 < 22 <7

< 3 SW-2 02/28/10 <3 <7 <3 <6 <3 <6 < 14 <3 <3 < 26 <9

<1 SW-2 03/01/10 <1 <3 <1 <2 <1 <2 <9 <1 <1 < 13 <5

<1 SW-2 03/02/10 <1 <3 <1 <2 <1 <2 < 12 <1 <1 < 16 <5

<1 <1 <1 <1 SW-2 03/03/10 <.1 <3 <1 <2 <1 <2 < 10 < 16 <4 SW-2 03/04110 <.1,

< 1.

<.3 <1 <2 <1 <2 < 11 <1 <1 < 16 <5 SW-2 03/05/10 <3 <3 <7 <3 <6 <3 <6 < 24 <2 <3 < 35 < 12 SW-2 03/06/10 <1 <2 <4 <1 <3 <2 <3 < 13 <1 <2 < 18 <4 SW-2 03/07/10 <1 <1 <3 <1 <2 <2 <3 <8 <1 <1 < 15 <5 SW-2 03/08110 <1 <1 <3 <1 <2 <1 <2 <8 <1 <1 < 12 <4 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-1I.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-1 37 Ba-140 La-140 PERIOD SW-2 03/09/10 <1 <1 <2 <1 <2 <1 <2 <8 <1 <1 < 11 <4 SW-2 03/10/10 <3 <3 <7 <2 <5 <3 <5 < 13 <2 <3 < 24 <7 SW-2 03/11/10 <1 <1 <4 <1 <3 <2 <3 < 11 <1 <1 < 17 <5 SW-2 03/12/10 <1 <2 <4 <2 <3 <2 <3 < 13 <1 <1 < 18 <6 SW-2 03/13/10 < 2 <2 <4 <2 <4 <2 <3 < 12 <1 <2 < 22 <6 SW-2 03/14/10 <1 <1 <3 <1 <2 <1 <2 <9 <1 <1 < 15 <5 SW-2 03/15/10 <1 <1 <3 <1 <2 <1 <2 < 10 <1 <1 < 17 <4 SW-2 03/16/10 <1 <1 <3 <1 <2 <1 <2 <8 <1 <1 < 14 <4 03/17/10 <1 <2 <4 <3 <2 <3 < 12 <1 <2 < 18 <5 ON SW-2 <1 SW-2 03/18/10 <1 <1 <3 <1 <2 <1 <2 < 10 <1 <1 < 16 <5 SW-2 03/19/10 <1 <2 <4 <1 <3 <2 <3 < 14 <1 <2 < 20 <5 SW-2 03/20/10 <1 <2 <4 <2 <3 <2 <3 < 13 <1 <1 < 21 <6 SW-2 03/21/10 <3 <3 <7 <3 <6 <3 <6 < 13 <3 <3 < 26 <8 SW-2 03/22/10 <3 <2 <6 <3 <5 <3 <5 <9 <2 <2 < 19 <6 SW-2 03/23/10 <1 <1 <4 <1 <2 <2 <2 < 12 <1 <1 < 21 <5 SW-2 03/24/10 <1 <1 <3 <1 <3 <2 <3 < 13 <1 <1 < 18 <6 SW-2 03/25/10 <1 <1 <3 <1 <2 <2 <3 < 13 <1 <1 < 17 <6 SW-2 03/26/10 <1 < 2 <4 <1j <3 <2 <3 < 13 <1 <1 < 19 <6 SW-2 03/27/10 <1 <1 <4 <1 <3 <2 <3 <8 <1 <1 < 14 <5

<2 <2 <6 <2 <5 <3 <4 < 11 <2 <2 < 20 <7 SW-2 03/28/10 03/29/10 <2 <2 <5 <2 <.4 <3 <4 < 14 <2 <2 < 24 <5 SW-2 SW-2 03/30/10 <2 <3 <6 <3 <5 <3 <5 < 15 <2 <2 < 25 <7

<3 <3 <6 <3 <6 <5 < 14 <2 <3 < 26 <8 SW-2 03/31/10 ' , 3 .

04/01/10 <2 <2 <5 <2 <4 <2 <4 < 10 <2 <2 < 19 <6 SW-2

<2 <3 <6 <2 <5 <3 <5 < 13 <2 <3 < 24 <8 SW-2 04/02/10

<1 <2 <4 <2 <3 <2 <3 <8 <1 <2 < 15 <5 SW-2 04/03/10

<3 <6 <2 <5 <3 <5 < 11 <2 <2 < 21 <7 SW-2 04/04/10 <2

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER 12 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 04/05/10 <3 <3 <7 <3 <6 <3 <6 < 10 <3 <3 < 22 <7 SW-2 04/06/10 <2 <2 <4 <2 <4 <2 <4 <6 <2 <2 < 14 <5 SW-2 *04/07/10 <2 <3 <6 <2 <5 <3 <5 < 15 <2 <3 < 26 <7 SW-2 04/08/10 <2 <2 <5 <2 <4 <2 <4 < 10 <2 <2 < 20 <6 SW-2 04/09/10 <2 <2 <5 <2 <4 <2 <4 <9 <2 <2 < 17 <6 SW-2 04/10/10 <3 <3 <6 <3 <5 <3 <5 <9 <2 <3 < 20 <6 SW-2 04/11/10 <3 <3 <8 <3 <6 <3 <6 < 10 <3 <3 < 21 <8 SW-2 04/12/10 <2 <2 <5 <2 <5 <2 <4 <8 <2 <3 < 17 <5 SW-2 04/13/10 <2 <3 <6 <3 <5 <3 <5 <8 <2 <3 < 17 <6 00 SW-2 04/14/10 <3 <3 <7 <3 <7 <4 <6 <9 <3 <3 < 21 <7 SW-2 04/15/10 <2 <3 <6 <3 <6 <3 <5 <8 <2 <3 < 19 <6 SW-2 04/16/10 <2 <2 <5 <2 <5 <3 <5 <7 <2 <3 < 16 <4 SW-2 04/17/10 <3 <2 <5 <2 <5 <2 <4 <6 <2 <3 < 15 <4 SW-2 04/18/10 <3 <4 <7 <3 <8 <4 <6 <8 <4 <4 < 20 <6 SW-2 04/19/10 <3 <3 <6 <3 <6 <3 <5 <6 <3 <3 < 15 <5 SW-2 04/20/10 <3 <3 <6 <3 <6 <3 <5 <6 <3 <3 < 15 <4 SW-2 04/21/10 <2 <2 <5 <2 <4 <2 <4 < 12 <2 <2 < 21 <6

-< 4 SW-2 04/22/10 <2 <2 <4 <2 <4 <<2 < 11 <2 <2 < 19 <6 SW-2 04/23/10 <2 <3 <5 <2 <5 <3 <5 < 13 <2 <2 < 22 <6 SW-2 04/24/10 <2 <2 <4 <2 <4 <2 <4 < 14 <2 <2 < 22 <6 SW-2 04/25/10 <2 <2 <5 <.2 <4 <2 <4 < 13 <2 <2 < 23 <7 SW-2 04/26/10 <2 <2 <5 <2 <4 <2 <4 < 12 <2 <2 < 21 <7 SW-2 04/27/10 <-2 <2 <5 <2 <4 <2 <4 <9 <2 <2 < 19 <5 SW 04/28/10 <3 <3 <7 <3 <6 <3 <5 < 14 <3 <3 < 26 <8 SW-2 05/03/10 <2 <2 <6 <3 <5 <3 <5 <8 <2 <2 < 17 <6 SW-2 05/04/10 <3 <3 <6 <3 <6 <3 <6 <8 <3 <3 < 20 <6 SW-2 05/05/10 <3 <3 <6 <3 <5 <3 <5 < 12 <2 <3 < 24 <8

TABLE B-11.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-i134 Cs-137 Ba-140 La-140 PERIOD SW-2 05/06/10 <3 <3 <7 <3 <6 <3 <6 < 13 <3 <3

• 26 <8 SW-2 05/07/10 <2 <2 <5 <2 <4 <2 <4 <8 <2 <2 < 16 <5 SW-2 05/08/10 <3 <3 <7 <3 <6 <3 <5 < 11 <3 <3 < 22 <7 SW-2 05/09/10 <3 <3 <6 <3 <6 <3 <5 <9 <2 <3 < 19 <6 SW-2 05/10/10 <3 <3 <6 <3 <5 <3 <5 <8 <2 <3 < 19 <6 SW-2 05/11/10 <3 <3 <6 <3 <5 <3 <4 <7 <2 <3 < 17 <5 SW-2 05/12/10 <2 <2 <4 <2 <3 <2 <3 < 11 <2 <2 < 18 <6 SW-2 05/13/10 <2 <2 <5 <2 <4 <2 <4 < 13 <2 <2 < 23 <6

,N SW-2 05/14/10 <2 <3 <6 <2 <5 <3 <5 < 12 <2 <3 < 22 <7 SW-2 05/15/10 <2 <3 <6 <2 <5 <3 <5 < 11 <2 <2 < 22 <7 SW-2 05/16/10 <2 <2 <5 <2. <4 <2 <4 <8 <2 <2 < 17 <5 SW-2 05/17/10 <2 <3 <6 <2 <5 <3 <5 < 10 <2 <3 < 19 <6 SW-2 05/18/10 <2 <3 <6 <3 <5 <3 <5 <8 <2 <3 < 19 <6 SW-2 05/19/10 <3 <3 <6 <3 <5 <3 <5 <9 <3 <3 < 19 <6 SW-2 05/20/10 <3 <3 <6 <3 <6 <3 <5 < 10 <3 <3

• 21 <6 SW-2 05/21/10 <3 <3 <6 <3 <5 <3 <5 <8 <2 <3 < 19 <6 SW-2 05/22/10 <2 <2 <5 <2 <4 <2 <4 <6 <2 <2 < 14 <4 SW-2 05/23/10 <2 < 3 <6 <3 <5 <3 <5 <6 <2 <3 < 15 <5 SW-2 05/24/10 <2 <2 <5 <2 <4 <2 <4 <5 <2 <2 < 14 <4 SW-2 05/25/10 <2 <2 <5 <2 <5 < 3 <4 <5 <2 <2 < 13 <4 SW-2 05/26/10 <2 <2 <3 <1 <3 < 2 <3 < 13 <1 <2 < 20 <7 SW-2 05127110 <2 <2 <5 <2 <4 < 2 <4 < 15 <2 <2 <24 <7 SW-2 05/28/10 <2 <2 <4 <2 <3 -. < 3 < 14 <2 <2 < 22 <7 SW-2 05/29/10 <2 <2 <6 <2 <4 < 3-ý <4 < 15. <2 <2 < 26 <8 SW-2 05/30/10 <2 <2 <5 <2 <4 <2 <4 < 14 <2 <2 < 25 <6 SW-2 05/31110 <1 <1 <3 <1 <2 <1 <2 < 14 <1 <1 < 19 <7 SW-2 06/01/10 <1 <1 <3 <1 <2 <1 <'2 < 13 <1 <1 < 15 <6

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-1 34 Cs-1 37 Ba-140 La-140 PERIOD SW-2 06/02/10 <1 <2 <3 <1 <3 <2 <2 < 14 <1 <1 < 18 <5 SW-2 06/03/10 <2 <2 <5 <2 <4 <2 <3 <8 <2 <2 < 16 <5 SW-2 06/04/10 <3 <3 <6 <3 <6 <3 <5 < 11 <2 <3 < 21 <6 SW-2 06/05/10 <3 <3 <6 <3 <6 <3 <5 < 10 <3 <3 < 21 <7 SW-2 06/06/10 <3 <4 <7 <3 <7 <4 <7 < 14 <4 <4 < 27 <7 SW-2 06/07/10 <2 <2 <5 <2 <5 <3 <4 <8 <2 <2 < 16 <5 SW-2 06/08/10 <2 <3 <6 <3 <6 <3 <5 <8 <2 <3 < 18 <6 SW-2 06109/10 <2 <3 <6 <3 <5 <3 <5 < 12 <2 <3 < 23 <8

• 0 SW-2 06/10/10 <3 <3 <7 <3 <6 <3 <5 < 13 <3 <3 < 25 <8 SW-2 06/11/10 <2 <3 <6 <3 <5 <3 <5 < 10 <2 <3 < 20 <7 SW-2 06/12/10 <3 <3 <7 <4 <7 <3 <6 <9 <3 <3 < 21 <6 SW-2 06/13/10 <4 <4 <8 <4 <8 <4 <6 <9 <3 <4 < 22 <7 SW-2 06/14/10 <4 <5 <9 <5 <8 <5 <9 < 10 <4 <5 < 25 <9 SW-2 06/15/10 <4 <4 <8 <4 <8 <4 <7 <8 <4 <4 < 21 <6 SW-2 06/16/10 <3 <3 <7 <3 <5 <3 <5 < 15 <2 <3 < 27 <8 SW-2 06/17/10 <2 <2 <5 <2 <4 <2 <4 < 13 <2 <2 < 22 <7 SW-2 06/18/10 <2 <3 <6 <2 <5 <3 <5 < 14 <2 <2 < 25 <8 SW-2 06/19/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 19 <6 SW-2 06/20/10 <2 <2 <5 <2 <4 < 2. <4 < 10 <2 <2 < 20 <6 SW-2 06/21/10 <2 <3 <6 <2 <5 <3 <5 < 12 <2 <2 < 23 <7 SW-2 06/22/10 <2 <2 <5 <2 <.4 <2 <4 <9 <2 <2 < 17 <5 SW-2 06/23/10 <2 <3 <6 <2 <5 <3 <5 < 11 <2 <3 < 22 <6 SW-2 06/24/10 <3 <3 <7 .. . <3 <5 <3 <5 < 11 <2 <3 < 22 <7 SW-2 06/25/10 <3 <3 <7 <.3 <6 <3 <5 < 12 <3 <3 < 24 <7 SW-2 06/26/10 <4 <4 <10 <4 < 10 <6 <8 < 14 <4 <5 < 30 <8 SW-2 06/27/10 <5 <5 <11 <4 < 12 <6 <7 < 13 <4 <5 < 33 < 11 SW-2 06/28/10 <2 <2 <5 <3 <5 <3 <4 <7 <2 <3 < 16 <5

TABLE B-1I.2 CONCENTRATIONS OF GAMMA EMITTERS INSURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 06/29/10 <2 <3 <5 <3 <5 <3 <5 <7 <2 <3 *16 <5 SW-2 06/30/10 <2 <2 <5 <2 <4 <2 <4 <6 <2 <2

• 14 <4 SW-2 07/01/10 <2 <2 <5 <2 <4 <2 <4 <8 <2 <2

• 16 <5 SW-2 07/02/10 <2 <2 <5 <2 <4 <2 <3 <6 <2 <2 < 13 <5 SW-2 07/03/10 <2 <2 <4 <2 <4 <2 <3 <6 <2 <2

• 13 <3 SW-2 07/04/10 <2 <2 <4 <2 <4 <2 <3 <5 <2 <2 *12 <4 SW-2 07/05/10 <2 <2 <4 <2 <3 <2 <3 <4 <1 <2 < 10 <3 SW-2 07/06/10 <2 <2 <4 <2 <4 <2 <4 <5 <2 <2

• 12 <4

• 0 <4 <2 <4 <2 <4 <5 <2 <2

• 12 <4 SW-2 07/07/10 <2 <2 SW-2 07/08/10 <3 <3 <7 <3 <7 <3 <6 <9 <3 <3

• 20 <6 SW-2 07/09/10 <3 <3 <7 <3 <6 <3 <5 <8 <3 <3 *19 <6 SW-2 07/10/10 <2 <2 <4 <2 <4 <2 <4 <5 <2 <2 <11 <3 SW-2 07/11/10 <2 <2 <5 <2 <4 <2 <4 <4 <2 <2 <11 <4 SW-2 07/12/10 <4 <4 <7 <4 <8 <4 <7 <7 <4 <4 < 19 <6 SW-2 07/13/10 <2 <2 <5 <3 <5 <2 <4 <4 <2 <2 <11 <3 SW-2 07/14/10 <2 <2 <5 <2 <4 <2 <4 <5 <2 <2 <12 <3 SW-2 07/15/10 <2 <2 <5 <2 <4 <2 <4 <4 <2 <2 <11 <3 SW-2 07/16/10 <2 <2 <4 <2 <4 <2 <4 <4 <2 <2 < 11 <3 SW-2 07/17/10 <3 <3 <6 <3 <5 <3. <5 <7 <3 <3

• 16 <5 SW-2 07/18/10 <3 <3 <5 <3 <5 <3 <5 <6 <2 <3 <15 <5 SW-2 07/19/10 <.2 <3 <6 <2 <5 <3 <5 <15 <2 <2 < 26 <9 SW-2 07/20/10 <2 <2 <5 <2 <4 <2 <4

• 14 <2 <2

• 22 <6 SW-2 07/21/10 <2 <3 <6 <3 <5 <3 <5.

• 15 <2 <3

• 25 <9 SW-2 07/22/10 <3 <3 <7 <3 <5 < 3. < 5 < 15 <2 <3 < 26 <7 SW-2 07/23/10 <3 <3 <7 <3 <6 <3 <6

• 14 <3 <3

• 26 <9 SW-2 07/24/10 <2 <2 <4 <2 <3 <2 <3 < 13 <1 <2 < 20 <6 SW-2 07/25/10 <2 <2 <5 <2 <3 <2 <4

• 14 <2 <2 < 24 <7

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 07/26/10 <2 <2 <4 <2 <3 <2 <3 <9 <2 <2 < 17 <6 SW-2 07/27/10 <2 <2 <6 <3 <5 <3 <5 < 11 <2 <2 < 20 <6 SW-2 07/28/10 <1 <2 <3 <1 <3 <2 <3 <6 <1 <1 < 12 <4 SW-2 07/29/10 <1 <2 <4 <1 <3 <2 <3 <9 <1 <1 < 15 <5 SW-2 07/30/10 <2 <2 <5 <2 <4 <2 <4 < 13 <2 <2 < 22 <6 SW-2 07/31/10 <2 <3 <5 <2 <5 <3 <5 < 14 <3 <2 < 25 <7 SW-2 08/01/10 <1 <1 <3 <1 <2 <1 <2 < 15 <1 <1 < 18 <7 SW-2 08/02/10 <1 <1 <3 <1 <2 <1 <2 < 14 <1 <1 < 19 <6 I. SW-2 08/03/10 <2 <2 <5 <2 <4 <2 <3 < 12 <2 <2 < 21 <6 tJ SW-2 08/04/10 <2 <3 <6 <2 <5 <3 <4 < 14 <2 <2 < 24 <7 SW-2 08/05/10 <2 <3 <6 <2 <5 <3 <4 < 13 <2 <2 < 23 <7 SW-2 08/06/10 <3 <3 <6 <2 <5 <3 <5 < 14 <2 <3 < 24 <7 SW-2 08/07/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 20 <6 SW-2 08/08/10 <2 <2 <4 <2 <3 <2 <3 <9 <1 <2 < 15 <5 SW-2 08/09/10 <4 <3 <8 <3 <7 <4 <7 < 14 <3 <4 < 29 <8 SW-2 08/10/10 <2 <2 <5 <2 <5 <2 <4 < 10 <2 <2 < 19 <6 SW-2 08/11/10 <2 <3 <6 <3 <5 <3 <5 < 10 <2 <3 < 20 <5 sw-p. <1 <2 "** 15 <1 <1 < 19 <6 08/12/10 <1> <37 <2

<1 SW-2 08/13/10. <1 <1 <3 <.. <2 <2 < 14 <1 <1 < 18 <5

<1 <1 SW-2 08/14/10 <1 <3 <1 <2 <2 < 13 <1 <1 < 17 <6

<1 <1 SW-2 08/15/10 <1 <3 <1 <2 <2 < 12 <1 <1 < 16 <5

<1 <1 <1 SW-2 08/16/10 <3 <1 <2 <1 <2 < 11 <1 <1 < 15 <5 SW-2 08/17/10 <1 <2 <3 <1 <3 <3 < 12 <1 <1 < 17 <6

<.1 <3 <2 SW-2 08/18/10 <2 <1 <3 <2 < 10 <1 <1 < 17 <5

<1 <2 SW-2 08/19/10 <2 <4 <1 <3 <3 < 12 <1 <1 < 17 <6

<2 SW-2 08/20/10 <2 <2 <5 <2 <3 <4 < 14 <2 <2 < 22 <6

<2 SW-2 08/21/10 <2 <2 <5 <2 <4 <4 < 14 <2 <2 < 23 <7

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 08/22/10 <2 <2 <4 <2 <4 <2 <3 < 11 <2 <2

• 19 <5 SW-2 08/23/10 <2 <2 <5 '2 <4 <2 <4 < 13 <2 <2

• 22 <8 SW-2 08/24/10 <2 <2 <4 <2 <4 <2 <4 < 11 <2 <2 < 18 <6 SW-2 10/11/10 <3 <2 <7 <3 <6 <3 <5 < 13 <2 <2

• 25 <7 SW-2 10/17/10 <2 <2 <5 <2 <4 <2 <4 < 13 <2 <2 ' 23 <6 SW-2 10/18/10 <2 <2 <5 <2 <4 <2 <4 < 13 <2 <3

• 22 <7 SW-2 10/19/10 <2 <2 <4 <3 <4 <2 <4 < 12 <2 <2

• 21 <6 SW-2 10/20/10 <2 <3 <5 <2 <5 <3 <4 < 13 <2 <2 < 23 <8 SW-2 10/21/10 <2 <3 <6 <3 <6 <3 <4 < 12 <2 <3

• 22 <7 SW-SW-2 10/22/10 <3 <3 <6 <3 <5 <3 <6

• 14 <3 <3

• 27 <6 SW-2 10/23/10 <3 <3 <7 <3 <5 <3 <5 < 15 <3 <3

• 27 <9 SW-2 10/24/10 <3 <3 <6 <3 <6 <3 <5 < 13 <2 <3 < 25 <8 SW-2 10/25/10 <2 <2 <5 <2 <4 <2 <4 < 10 <2 <2 < 19 <5 SW-2 10/26/10 <2 <2 <5 <2 <4 <3 <4

• 13 <2 <2

• 22 <6 SW-2 10/27/10 <2 <2 <5 <2 <4 <3 <4 < 13 <2 <3

• 22 <4 SW-2 10/28/10 <2 <3 <6 <3 <5 <3 <6

• 12 <2 <3

• 25 <8 SW-2 10/29/10 <3 <2 <6 <3 <5 <3 <5 < 13 <2 <3 < 24 <8 SW-2 10/30/10 <2 <3 <6 <2 <5 <3 <4 < 10 <2 <3

• 20 <7 SW-2 10/31/10 <3 <3 <8 <3 <6 <3 <6

• 14 <3 <4

• 27 < 10 SW-2 11/01/10 <3 <2 <6 <3 <5 <3 <5 <9 <2 <3

• 21 <6 SW-2 11/02/10 <2 <2 <6 <2 <5 <3 <4 <9 <2 <2

• 20 <5 SW-2 11/03/10 <3 <3 <6 <3 <5 <3 <5 < 13 <2 <3 < 27 <7

<3 .<5 <-11 <3 <3

• 22 <6 SW-2 11/04/10 <3 <3 <6 <6 <3 SW-2 11/05/10 <3 <3 <8 <4 <7 <.4 <7

• 13 <3 <3 < 26 <9 SW-2 11/06/10 <4 <5 < 10 <4 <9 <5 <8

• 14 <4 <4

• 29 < 11 SW-2 11/07/10 <4 <4 <9 <4 <8 <5 <8

• 14 <4 <4

• 31 <9 SW-2 11/08/10 <4 <4 <9 <4 <8 <4 <8 < 13 <4 <4 < 28 <9

TABLE B-II.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 11/09/10 <4 <4 < 10 <5 <9 <5 <8 < 13 <4 <4 < 27 <9 SW-2 11/10/10 <3 <4 <7 <3 <7 <4 <6 <9 <3 <4 < 23 <6 SW-2 11.1/10 <2 <2 <4 <2 <4 <2 <4 < 10 <2 <2 < 18 <5 SW-2 11/12/10 <3 <3 <7 <3 <6 < 3 <5 < 13 <3 <3 < 24 <7 SW-2 11/13/10 <2 <2 <5 <2 <4 <2 <4 < 11 <2 <2 < 19 <6 SW-2 11/14/10 <3 <3 <7 <3 <6 <3 <6 < 14 <3 <4 < 27 <8 SW-2 11/15/10 <2 <2 <5 <2 <5 <3 <4 <9 <2 <3 < 18 <6 SW-2 11/16/10 <3 <3 <6 <3 <6 <3 <6 <9 <3 <3 < 24 <7 SW-2 11/17/10 <2 <2 <3 <2 <3 <2 <3 <6 <2 <2 < 13 <3 SW-2 11/18/10 <2 <2 <5 <3 <4 <2 <5 <8 <2 <3 < 18 <7 SW-2 11/19/10 <2 <2 <4 <2 <3 <2 <3 <6 <2 <2 < 13 <4 SW-2 11/20/10 <2 <3 <4 <3 <4 <2 <4 <6 <2 <2 < 14 <5 SW-2 11/21/10 <2 <2 <4 <2 <4 <2 <4 <6 <2 <2 < 15 <4 SW-2 11/22/10 <3 <3 <5 <3 <5 <3 <5 <7 <2 <3 < 16 <5 SW-2 11/23/10 <2 <2 <5 <2 <5 <2 <4 <5 <2 <2 < 14 <4 SW-2 11/24/10 <2 <2 <5 <2 <3 <2 <4 < 56 <2 <2 < 53 < 16 SW-2 11/25/10 <2 <2 <5 <1 <3 <2 <4 < 53 <2 <2 < 48 < 16 SW-2 11/26/10)' <1 <2 < 4 <1 <3 <2 <3' < 46 <1 <1 < 42 < 12 SW-2 11/27/10 <2 <2 <5 <2 <3 <2 <4 < 48 <1 <2 <44 < 16 SW-2 11/28/10 <2 <2 <5 <2 <3 <2 <4 < 85 <2 <2 < 49 < 17 SW-2 11/29/10 <2 <3 <6 <2 <4 <3 <4 < 63 <2 <2 < 56 < 13 SW-2 11/30/10 <2 <2 <5 <2 <4 <2 <4 < 48 <2 <2 < 49 < 13 SW-2 12/01/10 <2 <2 <6 <2 <4 <3 <4 < 52 <2 <2 <54 < 13 SW-2 12/02/10 <3 <3 <7 <3 <5 <3 <5 < 43 <2 <3 < 48 < 13 SW-2 12/03/10 <2 <2 <6 <2 <4 <2 <4 <34 <2 <2 < 39 < 16 SW-2 12/04/10 <2 <3 <7 <2 <4 <3 <5 < 31 <2 <2 < 39 <9 SW-2 12/05/10 <3 <4 <8 <3 <6 <4 <6 < 35 <3 <3 < 48 < 15 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-I1.2 CONCENTRATIONS OF GAMMA EMITTERS IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION Mn-54 Co-58 Fe-59 Co-60 Zn-65 Nb-95 Zr-95 1-131 Cs-134 Cs-137 Ba-140 La-140 PERIOD SW-2 12/06/10 <2 <2 <6 <2 <4 <3 <4 < 28 <2 <2 < 35 <11 SW-2 12/07/10 <2 <3 <6 <2 <5 <3 <5 < 26 <2 <2 < 39 <11 SW-2 12/08/10 <3 <3 <8 <3 <7 <3 <6

• 31 <3 <3 < 43 <11 SW-2 12/09/10 <3 <3 <6 <3 <6 <3 <6 < 27 <2 <3 < 40 <11 SW-2 12/10/10 <2 <3 <7 <3 <5 <3 <5

• 26 <2 <3 < 37 < 12 SW-2 12/11/10 <2 <2 <5 <2 <4 <2 <4 <13 <2 <2

• 22 <7 SW-2 12/12/10 <2 <3 <6 <2 <5 <3 <5 <18 <2 <3

• 27 <9 SW-2 12/14/10 <2 <2 <4 <2 <4 <2 <3 < 13 <1 <2

• 22 <7 SW-2 12/15/10 <2 <3 <6 <3 <5 <3 <5 <14 <2 <3

• 24 <6 SW-2 12/16/10 <2 <2 <5 <2 <3 <2 <4

• 13 <2 <2

• 21 <6 SW-2 12/17/10 <2 <2 <4 <2 <4 <2 <3

• 12 <2 <2 *19 <6 SW-2 12/18/10 <2 <2 <5 <2 <4 <3 <4

• 13 <2 <2

• 23 <6 SW-2 12/19/10 <2 <3 <6 <2 <5 <3 <5

• 14 <2 <2 < 23 <5 SW-2 12/20/10 <2 <2 <5 <2 <4 <2 <4

• 12 <2 <2

• 20 <6 SW-2 12/21/10 <2 <2 <5 <2 <5 <3 <4 <11 <2 <2

• 21 <6 SW-2 12/22/10 <2 <2 <5 <2 <4 < 2 <4 < 12 <2 <2

• 22 <7 SW-2 12/23/10 <2 <2 <5 <.2 <4 <2 <4

• 12 <2. <2

• 22 <7 SW-2 12/24/10 <2 <2 <6 <3 <4 <3 <5 < 11 <2 <2

• 22 <7 SW-2 12/25/10 <3 <4 <8 <4 <7 <3 <6

• 14 <3 <3 < 30 <9 SW-2 12/26/10 <3 <3 <'6 <3 <6 <3 <5

• 12 <2 <3

• 24 <7 SW-2 12/27/10 < 2 <3 <6 <3 <5 <3 <5 < 10 <2 <2

• 20 <6 SW-2 12/27110 <2 <2 <5 <2 <5 <2 <4 <13 <2 <2 <24 <9 SW-2 12/29/10 <2 <2 <6 <3 <5 -<3 . 5 < 14 <2 <3 < 23 <6 SW-2 12/30/10 <.3 <3 <7 <3 <6 <3 <5 <13 <2 <3 < 25 <7 SW-2 12/31/10 <4 <4 <8 <4 <7 <4 <7 <14 <3 <4

• 30 < 10 BOLDED VALUES INDICATE THE LLD WAS NOT MET

TABLE B-11.3 CONCENTRATIONS OF "HARD-TO-DETECTS" IN SURFACE WATER SAMPLES COLLECTED AS PART OF THE RADIOLOGICAL GROUNDWATER PROTECTION PROGRAM, OYSTER CREEK GENERATING STATION, 2010 RESULTS IN UNITS OF PCI/LITER +/- 2 SIGMA SITE COLLECTION AM-241 CM-242 CM-243/244 PU-238 PU-239/240 U-233/234 U-235 U-238 FE-55 NI-63 PERIOD MCD 10/21/2010 < 0.1 < 0.05 < 0.15 < 0.1 < 0.1 0.8+/- 0.3 < 0.3 0.6 +/- 0.2 < 133 < 2.9