ML14136A287

2013 Annual Radiological Environmental Operating Report

ML14136A287
Person / Time
Site:	Duane Arnold
Issue date:	05/12/2014
From:	ATI Environmental
To:	Office of Nuclear Reactor Regulation
References
NG-14-0122
Download: ML14136A287 (95)

Text

Enclosure 1 to NG-14-0122 Duane Arnold Energy Center 2013 Annual Radiological Environmental Operating Report 94 Pages to follow

It EnviroATI idwesen t al In.

Loratory 700 Landehr Road

• Norfhbro*A. IL 60062.2310 Phone 1847) 564-0700 - fa, (847) 564-4517 DUANE ARNOLD ENERGY CENTER CEDAR RAPIDS, IOWA DOCKET NO. 50-331 REPORT to the UNITED STATES NUCLEAR REGULATORY COMMISSION Annual Radiological Environmental Operating Report January 1 to December 31, 2013 Prepared by ATI ENVIRONMENTAL, Inc.

Midwest Laboratory Project No. 8001 Approved:

a ry M.S.

ryy nager

PREFACE Staff members of the Environmental, Inc., Midwest Laboratory were responsible for the acquisition of data presented in this report, with the exception of Appendices D and E which were completed by DAEC personnel. All environmental samples, with the exception of aquatic, were collected by personnel of DAEC. Aquatic samples were collected by the University of Iowa Hygienic Laboratory.

The report was prepared by Environmental, Inc., Midwest Laboratory, with the exception of Appendices D and E, which were prepared by DAEC personnel.

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TABLE OF CONTENTS PART I No. Paqe PREFACE ..................................................................................................................... ii List of Tables ................................................................................................................. v List of Figures ............................................................................................................... vi 1.0 INTRO DUCTIO N ....................................................................................................... 1 2.0 SUM MARY .................................................................................................................... 2 3.0 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM .......................... 3 3.1 Program Design and Data Interpretation ........................................................... 3 3.2 Program Description .......................................................................................... 4 3.2.1 Environm ental Monitoring ............................ :.................................................. 4 3.2.2 G round W ater Protection Program .................................................................. 5 3.3 Program Execution ............................................................................................ 5 3.4 Laboratory Procedures ....................................................................................... 6 3.5 Program Modifications ....................................................................................... 6 4.0 RESULTS AND DISCUSSIO N................................................................................. 7 4.1 Atmospheric Nuclear Detonations and Nuclear Accidents ................................ 7 4.2 Program Findings .............................................................................................. 7 5.0 TABLES AND FIG URES .......................................................................................... 10

6.0 REFERENCES

CITED ............................................................................................ :24 APPENDICES A Interlaboratory Com parison Program Results .................................................... A-1 B Data Reporting Conventions ................................................................................ B-1 C Effluent Concentration Limits for Radioactivity in Air and Water Above Background in Unrestricted Areas ................................................................. C-1 D Sum m ary of the Land Use Census ..................................................................... D-1 E Annual Radiation Dose Assessm ent .................................................................... E-1 iii

TABLE OF CONTENTS (continued)

PART II Paqe Data Tabulations and Analyses ...................................................................................... i iv

LIST OF TABLES No. Pagqe 5.1 Characteristic Properties of Isotopes Quantified in Gamma-spectroscopic A n a lys e s ......................................................................................................... 11 5.2 Sample Collection and Analysis Program .............................................................. 12 5.3 Sam pling Locations, DAEC ..................................................................................... 14 5.4 Type and Frequency of Collections ........................................................................ 16 5.5 Sample Codes, Tables 5.4 and 5.6 ........................................................................ 17 5.6 P rogram D eviations ................................................................................................ 18 5.7 Radiological Environmental Monitoring Program Summary ..................... 19 In addition, the following tables are included in the Appendices:

Appendix A A-1 Environmental Resource Associates (EPA DW substitute program) ....................... Al-1 A-2 Interlaboratorv Comoarison Proaram Results. Thermoluminescent Dosim eters (T LD s) ...................................................................................... A2-1 A-3 In-house Spiked Samples ........................................................................................ A3-1 A-4 In-house "Blank" Samples ........................................................................................ A4-1 A-5 In-house "Duplicate" Samples .............................................................................. A5-1 A-6 Department of Energy MAPEP comparison results ................................................. A6-1 A-7 Environmental Resource Associates (EML substitute program) .............................. A7-1 Attachment A: Acceptance criteria for spiked samples ............................................ A-2 Appendix C C-1 Effluent Concentration Limits for Radioactivity in Air and Water Above Background in Unrestricted Areas .............................................................. C-2 v

LIST OF FIGURES No. Page 5.1 Radiological Environmental Monitoring Program Sampling Stations near the Duane Arnold Energy Center ......................................................................... 23 5.2 Radiological Environmental Monitoring Program Sampling Stations Outside 0 .5 Mile s .................................................................................................. . . 24 vi

1.0 INTRODUCTION

This report summarizes and interprets results of the Radiological Environmental Monitoring Program (REMP) conducted by Environmental, Inc., Midwest Laboratory at the Duane Arnold Energy Center, Palo, Iowa, during the period January - December, 2013. This Program monitors the levels of radioactivity in the air, terrestrial, and aquatic environments in order to assess the impact of the plant on its surroundings.

The REMP fulfills the requirements of Sections IV.B.2 and IV.B.3 of Appendix I to 10 CFR 50 for the operation of the plant. The REMP also fulfills the requirements of 10 CFR 72.44(d)(2) for operation of the ISFSI.

Tabulations of individual analyses made during the year are included in Part II of this report.

The Duane Arnold Energy Center (DAEC) is a boiling water reactor, located in Linn County, Iowa, on the Cedar River, and owned and operated by NextEra Energy Resources. Initial criticality was attained on March 23, 1974. The reactor reached 100% power on August 12, 1974. Commercial operation began on February 1, 1975.

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2.0

SUMMARY

The Radiological Environmental Monitoring Program, as required by the U.S. Nuclear Regulatory Commission (NRC) Technical Specifications for the Duane Arnold Energy Center, is herein described.

Results for the year 2013 are summarized and discussed.

Program findings show only background levels of radioactivity in the environmental samples collected in the vicinity of the Duane Arnold Energy Center.

No effect on the environment is indicated in the areas surrounding the site of the Duane Arnold Energy Center.

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3.0 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 3.1 Program Design and Data Interpretation The purpose of the Radiological Environmental Monitoring Program at the Duane Arnold Energy Center (DAEC) is to assess the impact of the plant on its environment. For this purpose, samples are collected from the air, terrestrial, and aquatic environments and analyzed for radioactive content. In addition, ambient gamma radiation levels are monitored by thermoluminescent dosimeters (TLDs).

Sources of environmental radiation include the following:

(1) Natural background radiation arising from cosmic rays and primordial radionuclides; (2) Fallout from atmospheric nuclear detonations; (3) Releases from nuclear power plants; and (4) Industrial and medical radioactive waste.

In interpreting the data, effects due to the DAEC operation must be distinguished from those due to other sources.

A major interpretive aid in assessment of these effects is the design of the monitoring program at the DAEC which is based on the indicator-control concept. Most types of samples are collected both at indicator locations (nearby, downwind, or downstream) and at control locations (distant, upwind, or upstream). A station effect would be indicated if the radiation level at an indicator location was significantly larger than that at the control location. The difference would have to be greater than could be accounted for by typical fluctuations in radiation levels arising from other sources.

An additional interpretive technique involves analyses for specific radionuclides present in the environmental samples collected from the DAEC site. The DAEC's monitoring program includes analyses for strontium-90 and iodine-131, which are fission products, and tritium, which is produced by cosmic rays, atmospheric nuclear detonations, and also by nuclear power plants.

Most samples are also analyzed for gamma-emitting isotopes with results for the following groups quantified: zirconium-95, cesium-137, and cerium-144. These three gamma-emitting isotopes were selected as radiological impact indicators because of the different characteristic proportions in which they appear in the fission product mix produced by a nuclear reactor and that produced by a nuclear detonation. Each of the three isotopes is produced in roughly equivalent amounts by a reactor: each constitutes about 10% of the total activity of fission products ten (10) days after reactor shutdown. On the other hand, ten (10) days after a nuclear explosion, the contributions of zirconium-95, cerium-144, and cesium-137 to the activity of the resulting debris are in the approximate ratio 4:1:0.03 (Eisenbud,1963). The other group quantified consists of niobium-95, ruthenium-103 and -106, cesium-134, barium-lanthanum-140, and cerium-141. These isotopes are released in small quantities by nuclear power plants, but to date their major source of injection into the general environment has been atmospheric nuclear testing. Nuclides of the next group, manganese-54, cobalt-58 and-60, and zinc-65, are activation products and arise from activation of corrosion products. They are typical components of nuclear power plant effluents, but are not produced in significant quantities by nuclear detonations. Nuclides of the final group, beryllium-7, which is of cosmogenic origin, and potassium-40, a naturally-occurring isotope, were chosen as calibration monitors and provide a comparison between levels of naturally occurring radionuclides and radionuclides that could be attributed to the operation of the plant.

Characteristic properties of isotopes quantified in gamma-spectroscopic analysis are presented in Table 5.1. Other means of distinguishing sources of environmental radiation can be employed in interpreting the data. Current radiation levels can be compared with previous levels, including those measured before the Plant became operational. Results of the DAEC's Monitoring Program can be related to those obtained in other parts of the world. Finally, results can be related to events known to cause elevated levels of radiation in the environment, e.g., atmospheric nuclear detonations.

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3.2 Program Description 3.2.1 Environmental Monitoring The sampling and analysis schedule for the Radiological Environmental Monitoring Program (REMP) at the DAEC is summarized in Table 5.2 and is briefly reviewed below. Table 5.3 defines the sampling location codes used in Table 5.2 and specifies for each location its distance, direction, and sector relative to the reactor site. The types of samples collected at each location and the frequency of collections are presented in Table 5.4 using codes defined in Table 5.5.

To monitor the air environment, airborne particulates are collected on membrane filters by continuous pumping at nine locations. Airborne iodine is collected by continuous pumping through charcoal filters. Eight of the nine locations are indicators and one is a control (D-13). Filters are changed and counted weekly. Particulate filters are analyzed for gross beta activity. If gross beta activity exceeds ten times the yearly mean of the control samples, gamma isotopic analysis is performed. Quarterly composites of airborne particulates from each location are analyzed for gamma emitting isotopes. Charcoal filter samples are analyzed weekly for iodine-131.

Ambient gamma radiation is monitored at a total of 50 locations. A TLD is placed at each location and exchanged and analyzed quarterly. The TLD locations are distributed as follows:

" Two on-site locations

" Eighteen in a circle within a 0.5 mi. radius from the DAEC stack.

• Six in 22.50 sectors within 1 mi. from the DAEC stack.

" Ten in 22.50 sectors between 1 and 3 miles from the DAEC stack.

" Ten control locations greater than 3 miles from the DAEC stack.

• Four along sections of the Independent Spent Fuel Storage Installation (ISFSI) fenceline.

Surface water is collected monthly from four river locations, D-49 (Lewis Access, Control, 4 mi.

upstream), D-50 (Inlet), D-51 (Discharge) and D-61 (downstream of Discharge) and also from Pleasant Creek Lake (D-99). The monthly samples are analyzed for tritium and gamma-emitting isotopes. Additional analyses are performed on samples collected from the control and indicator locations, D-49 and D-61. Analyses for low-level iodine-131 are performed on monthly collections and quarterly composites are prepared and analyzed for strontium-89 and strontium-90.

The aquatic environment is also monitored by upstream and downstream (D-49 and D-61) semiannual collections of fish. River bottom sediment is collected semiannually at the plant's intake and discharge (D-50 and D-51) and the site's north drainage ditch (D-107a). The samples are analyzed for gamma-emitting isotopes.

Potable ground water is collected quarterly from a treated municipal water system (D-53), the inlet to the municipal water treatment system (D-54), three indicator locations (D-55, D-57, D-58) and one control location (D-72). The samples are analyzed for tritium and gamma emitting isotopes.

Any positive identification of a reactor by-product material initiates analyses for hard to detect isotopes of Ni-63, Sr-89, Sr-90, Fe-55 and gross alpha.

Milk is collected monthly from one indicator and one control location during the non-grazing season, October through April, and biweekly during the grazing season, May I through September

30. The samples are analyzed for iodine-131 and gamma-emitting isotopes.

For additional monitoring of the terrestrial environment, grain, hay and broad leaf vegetation samples are collected annually, as available, from nine locations: one control (D-138) and eight indicators (D-16, D-57, D-58, D-72, D-96, D-109 and D-118). Grain, hay and broad leaf (green leafy) vegetation samples are analyzed for gamma-emitting isotopes and at least two broad leaf vegetation samples are analyzed for iodine-131.

If cattle are slaughtered for home use, a meat sample is collected annually, during or immediately following a period from animals grazing on-site. The sample is analyzed for gamma-emitting isotopes.

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3.2.2 Ground Water Protection Program Environmental, Inc., Midwest Laboratory provides laboratory services for the Duane Arnold Energy Center Ground Water Protection Program. For results from these analyses, refer to the Duane Arnold Energy Center, 2013 Annual Radioactive Material Release Report.

3.3 Program Execution The program was executed as described in the preceding section with the following exceptions:

(1) Airborne Particulates / Airborne Iodine:

A partial air particulate / air iodine sample (50 M3) was collected at location D-3, for the week ending 06/28/13. No power was available to the sampling station from 06/22/13 to 06/28/13.

Air particulate / air iodine samples were not available at location D-3, for the week ending 10/31/13. There was no power to the sampler.

Air particulate / air iodine samples were not available at location D-3, for the week ending 12/26/13, due to sampler pump failure.

A partial air particulate / air iodine sample (112 M3) was collected at location D-11, for the week ending 05/23/13. The circuit breaker was tripped due to storms in the area.

A partial air particulate / air iodine sample (178 M3) was collected at location D-1 1, for the week ending 10/17/13. A faulty timer was suspected.

A partial air particulate / air iodine sample (181 M3) was collected at location D-13, for the week ending 10/03/13, due to a power outage.

Air particulate / air iodine samples were not available at location D-15, for the week ending 05/30/13. The circuit breaker was tripped due to storms in the area.

A partial air particulate / air iodine sample (42 M3) was collected at location D-1 5, for the week ending 09/05/13, due to a tripped circuit breaker.

A partial air particulate / air iodine sample (154 M3) was collected at location D-15, for the week ending 10/17/13, due to a power outage.

A partial air particulate / air iodine sample (84 M3) was collected at location D-1 5, for the week ending 10/31/13, due to a power outage.

(2) Thermoluminescent Dosimetry The third quarter, 2013 TLDs for locations D-1, D-41 and D-82 were missing in the field. The TLDs were replaced.

The fourth quarter, 2013 TLD at location D-17 was missing in the field. The TLD was replaced.

(3) Vegetation No vegetation samples were available from locations D-57, D-72 and D-96 for 2013.

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3.4 Laboratory Procedures The lodine-131 analyses in milk and water were made using a sensitive radiochemical procedure involving separation of iodine using an ion-exchange method, solvent extraction and subsequent beta counting. Levels of iodine-131 in vegetation and concentrations of airborne iodine-131 in charcoal samples were determined by gamma spectroscopy.

Gamma-spectroscopic analyses are performed using high-purity germanium (HPGe) detectors.

The gamma isotopic analysis provides a spectrum with an energy range from 80 to 2048 KeV.

Specific isotopes included in the gamma library are Mn-54, Fe-59, Co-58, Co-60, Zn-65, Zr-95, Nb-95, Ru-103, Ru-106, 1-131, Ba-La-140, Cs-134, Cs-137, Ce-141, and Ce-144. Naturally occurring gamma-emitters, such as Be-7, K-40 and Ra daughters, are frequently detected but may not be listed.

Tritium was measured by liquid scintillation.

Analytical Procedures used by Environmental, Inc. are on file and are available for inspection.

Procedures are based on those prescribed by the Health and Safety Laboratory of the U.S. Dep't of Energy, Edition 28, 1997, U.S. Environmental Protection Agency for Measurement of Radioactivity in Drinking Water, 1980, and the U.S. Environmental Protection Agency, EERF, Radiochemical Procedures Manual, 1984.

Environmental, Inc., Midwest Laboratory has a comprehensive quality control/quality assurance program designed to assure the reliability of data obtained. Details of the QA Program are presented elsewhere (Environmental, Inc., Midwest Laboratory, 2013). The QA Program includes participation in Interlaboratory Comparison (crosscheck) Programs. Results obtained in crosscheck programs are presented in Appendix A.

3.5 Program Modifications An analysis for gamma emitting isotopes replaced the gross beta requirement for potable groundwater in 2013. Additional analyses for hard to detect isotopes are conditional, based on the tritium and/or gamma activity.

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4.0 RESULTS AND DISCUSSION All collections and analyses were made as scheduled, except for those listed in Table 5.6.

Results are summarized in Table 5.7 as recommended by the Nuclear Regulatory Commission.

For each type of analysis and sample medium, the table lists the mean and range of all indicator and control locations, as well as that location with the highest mean and range.

Tabulated results of measurements are not included in this section, although reference to these results will be made in discussion. A complete tabulation of results for 2013 is contained in Part II of the Annual Report on the Radiological Environmental Monitoring Program for the Duane Arnold Energy Center.

4.1 Atmospheric Nuclear Detonations and Nuclear Accidents There were no reported accidents involving significant release to the environment at nuclear reactor facilities in 2013. The Fukushima Daiichi nuclear accident occurred March 11, 2011.

There were no reported atmospheric nuclear tests in 2013. The last reported test was conducted on October 16, 1980 by the People's Republic of China.

4.2 Program Findings Results obtained show background levels of radioactivity in the environmental samples collected outside of the Owner Controlled Area in 2013. The trace levels of strontium-90 and cesium-137, still measurable in soil and sediments are attributed to deposition of fallout from previous decades.

Airborne Particulates The average annual gross beta concentrations in airborne particulates were almost identical at indicator and control locations (0.030 and 0.029 pCi/m 3, respectively) and similar to levels observed from 1995 through 2012. The results are tabulated below.

Year Indicators Controls Year {Indicators Controls

• Concentration (pCi/m3) Concentration (pCi/m3) 1998 0.024 0.024 2006 0.029 0.027 1999 0.026 0.027 2007 0.031 0.031 2000 0.026 0.027 2008 0.029 0.029 2001 0.026 0.026 2009 0.031 0.030 2002 0.027 0.027 2010 0.028 0.028 2003 0.029 0.029 2011 0.030 0.029 2004 0.028 0.028 2012 0.030 0.029 2005 0.031 0.031 2013 0.028 0.025 Average annual gross beta concentrations in airborne particulates.

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4.2 Proaram Findinas, Airborne Particulates (continued)

Gamma spectroscopic analysis of quarterly composites of air particulate filters yielded similar results for indicator and control locations. Beryllium-7, produced continuously in the upper atmosphere by cosmic radiation (Arnold and AI-Salih, 1955), was detected in all samples, with an average activity of 0.067 pCi/m3 for all locations. No reactor by-product radionuclides were identified. All samples met required lower limits of detection as specified in the DAEC Offsite Dose Assessment Manual.

Airborne Iodine 3

Levels of airborne iodine-I 31 measured below the required limit of 0.030 pCi/m for all samples.

Ambient Radiation (TLDs)

At ten control locations, thermoluminescent dosimeter (TLD) readings averaged 15.9 mR/quarter.

At locations within a half mile, one mile and three mile radius of the stack, the measurements averaged 17.7, 18.6 and 16.4 mR/quarter, respectively. The two on-site locations D-15 and D-16 averaged 17.2 mR/quarter. The average for these locations was 17.1 mR/quarter. This is similar to the estimated average natural background radiation for Middle America, 19.5 mR/quarter, which is based on data on Pages 71 and 108 of the report, "Natural Background Radiation in the United States" (National Council on Radiation Protection and Measurements, 1975). The terrestrial absorbed dose (uncorrected for structural and body shielding) ranges from 8.8 to 18.8 mrad/quarter and averages 11.5 mrad/quarter for Middle America. Cosmic radiation and cosmogenic radionuclides contribute 8.0 mrad/quarter for a total average of 19.5 mrad/quarter. No plant effect is indicated.

ISFSI Facility Operations Monitoring Four TLDs, placed directionally along the ISFSI fenceline, averaged 34.2 mR/quarter, a slight increase as compared to offsite dose rates around the plant. The TLD site D-30, located between the nearest residence and the ISFSI site averaged 18.4 mR/qtr. Calculated dose rates indicate the site is in compliance with 10 CFR 72.104 and 40 CFR 190.

Milk There was no iodine-131 activity detected in milk samples. lodine-131 measured below a detection limit of 0.5 pCi/L.

No gamma-emitting isotopes, excepting naturally occurring potassium-40, were detected in any milk samples. This is consistent with findings that most radiocontaminants in feed do not find their way into milk due to the selective metabolism of the cow. The common exceptions are radioisotopes of potassium, cesium, strontium, barium, and iodine (National Center for Radiological Health, 1968).

No reactor by-product radionuclides were identified. All samples met required lower limits of detection as specified in the DAEC Offsite Dose Assessment Manual.

Ground Water (potable)

The gross beta requirement was replaced with a gamma isotopic analysis in March, 2013. The first quarter samples averaged 2.0 pCi/L, similar to levels observed from 1991 through 2012. The location with the highest mean was D-58, a farm 1.0 mile distant from the plant.

No measurable tritium activity was detected above an LLD of 158 pCi/L. Gamma-emitting isotopes were below detection limits.

No reactor by-product radionuclides could be identified. All samples met required lower limits of detection as specified in the DAEC Offsite Dose Assessment Manual.

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4.2 Proqram Findinqs (continued)

Veqetation Iodine-131 concentrations in broadleaf vegetation were below the LLD level of 0.030 pCi/g wet weight in all samples.

With the exception of potassium-40, which was observed in all vegetation samples (broadleaf, grain, and forage), all other gamma-emitting isotopes were below detection limits. No reactor by-product radionuclides were identified. All samples met required lower limits of detection as specified in the DAEC Offsite Dose Assessment Manual.

Surface Water Surface water was tested for tritium and gamma emitting isotopes in sixty samples from five locations. No measurable tritium activity was detected above an LLD of 197 pCi/L. Gamma-emitting isotopes were below detection limits.

Analyses for 1-131 were performed on samples from locations D-49 (control) and D-61 (0.5 mi.

downstream, indicator). No iodine-131 activity was detected above LLD in 2013.

Quarterly composites were also prepared from the samples collected at locations D-49 and D-61 and tested for strontium-89 and strontium-90. All samples tested below detection limits.

No reactor by-product radionuclides were identified. All samples met required lower limits of detection as specified in the DAEC Offsite Dose Assessment Manual.

Fish Fish were collected in June and September, 2013, and analyzed for gamma-emitting isotopes.

With the exception of naturally-occurring potassium-40, no gamma-emitting isotopes were identified in edible portions of fish. The potassium-40 level was similar at both the indicator and control locations (3.19 and 3.39 pCi/g wet, respectively).

No reactor by-product radionuclides were identified. All samples met required lower limits of detection as specified in the DAEC Offsite Dose Assessment Manual.

River Sediments River sediments were collected in June and October, 2013, and analyzed for gamma-emitting isotopes. Potassium-40 activity ranged from 4.80-8.51 pCi/g dry weight and averaged 6.97 pCi/g dry weight.

Trace Co-60 was measured in one June sample collected from location D-107a (on-site north drainage ditch) at a concentration of 0.027 pCi/g dry weight. The Co-60 is attributed to fallout of particulates present in gaseous effluent. No Cs-137 was detected at either the indicator or control locations in 2013. Low levels had been observed from 1991 through 2011, cesium-1 37 activity is generally attributable to deposition of fallout from previous decades.

No reactor by-product radionuclides were identified. All samples met required lower limits of detection as specified in the jJAEC Offsite Dose Assessment Manual.

Ground Water Protection Program Environmental, Inc., Midwest Laboratory provides laboratory services for the Duane Arnold Energy Center GroundWater Protection Program. For results from these analyses, refer to the Duane Arnold Energy Center, 2013 Annual Radioactive Material Release Report.

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5.0 TABLES AND FIGURES 10

Table 5.1 Characteristic properties of isotopes quantified in gamma-spectroscopic analyses.

Designation Comment Isotope Half-life a Naturally Occurring A. Cosmogenic Produced by interaction of cosmic rays Be-7 53.2 d with atmosphere B. Terrestrial Primordial K-40 1.26 x 109 y I1. Fission Products b Nuclear accidents and detonations constitute the major environmental source.

A. Short-lived 1-131 8.04 d Ba-140 12.8 d B. Other than Short-lived Nb-95 35.15 d Zr-95 65 d Ru-103 39.35 d Ru-1 06 368.2 d Cs-1 34 2.061 y Cs-1 37 30.174 y Ce-141 32.5 d Ce- 144 284.31 d I11. Activation Products Typically found in nuclear power plant Mn-54 312.5 d effluents Fe-59 45.0 d Co-58 70.78 d Co-60 5.26 y Zn-65 245 d a

Half-lives are taken from Appendix E of Environmental Quarterly, 1 January 1978, EML-334 (U. S. Department of Energy, 1978).

Includes fission-product daughters.

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Table 5.2 Sample collection and analysis program.

Sampling Location '

Exposure Sample Description Sampling and Collection Type and Frequency Pathway and/or Point Frequency of Analysis b Sample Type Airborne 3 Hiawatha Continuous operation of Analyze for gross beta activity Particulates 5 Palo sampler with sample more than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after filter 6 Center Point collection at least once per change. Perform gamma 7 Shellsburg week or as required isotopic analysis on each 11 Toddville by dust loading sample having gross beta 13 Alburnett (C) activity greater than ten times 15 On-site North the yearly mean of the control 16 On-site South samples.

40 Wickiup Hill Composite weekly samples to form a quarterly composite (by location). Analyze quarterly composite for gamma isotopic.

Airborne 3 Hiawatha Continuous operation of Analyze each cartridge for Iodine 5 Palo sampler with sample iodine-1 31.

6 Center Point collection at least once per 7 Shellsburg week.

11 Toddville 13 Alburnett (C) 15 On-site North 16 On-site South

40. Wickiup Hill Ambient 1-3, 5-8 (Controls) One dosimeter continuously Read gamma radiation dose Radiation 10, 11, 13 (Indicators) at each location, quarterly.

15-23, Within 0.5 mile of Dosimeters are changed at 28-32, Stack least quarterly.

33-42 Within 3.0 miles of Stack 43-48 Within 1.0 mile of 82-86, 91 Stack 161-164 ISFSI Fence line Surface Water 49 Lewis Access (C) Once per month. Gamma isotopic and tritium 50 Plant Intake analysis for each sample (by 51 Plant Discharge location).

1 61 - / mi. downstream from Plant Discharge Locations 49 and 61, analyses 99 Pleasant Creek Lake for low-level for composites 1-131. Quarterly Sr-89, Sr-90.

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Table 5.2 Sample collection and analysis program, (continued).

Samolina Location a Exposure Sample Description Sampling and Collection Type and Frequency Pathway and/or Point Frequency of Analysis Sample Type Ground 53 Treated Municipal Grab sample at least Analysis for gamma emitting Water 54 Water once per quarter isotopes and tritium on quarterly Inlet to Municipal Wate samples.

55 Treatment System 57, 58 On-site well If reactor by-product gamma 72 (C) Wells off-site and emitters are identified, or if tritium within 4 km of DAEC concentrations measure > MDA, then analyze for Ni-63, Sr-89, Sr-90 and alpha emitters.

River 50 Plant Intake (C) At least once every six Gamma isotopic analysis of each Sediment 51 Plant Discharge months, sample 107a North Drainage Ditch (on-site)

Vegetation 16,57 58,72, Farms crops raising food Annually time. Twoatsamples harvest of Gamma including isotopic analysis, iodine-131, on each 96,109 each: grain, green leafy, sample.

118 and forage.

138 (C)

Fish 49 Cedar River upstream One sample per 6 Gamma isotopic analysis on of DAEC not months (once during edible portions.

influenced by effluent January through July (C) and once during August 61 through December).

Downstream of DAEC in influence of effluent Milk 138 (C) Farm near Newhall, IA At least once per two During the grazing season:

weeks during the Gamma isotopic and iodine-131 110 Dairy Farm within 7.8 grazing season. analyses of each sample.

miles from Site At least once per month During the non-grazing season:

during the non-grazing Gamma isotopic and iodine-131 season. analyses of each sample.

Meat d On-site Annually Gamma Isotopic a (C) denotes control location. All other locations are indicators.

Gamma isotopic analysis and analysis for gamma-emitting nuclides refer to high resolution gamma ray spectrum analysis.

C The grazing season is considered to be May 1 through September 30.

"Only sampled when meat is butchered for home use.

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Table 5.3 Sampling locations, Duane Arnold Energy Center.

Sampling Location Code Location Description Distance and Direction from Site Stack D-1 Cedar Rapids 20,800 meters SE D-2 Marion 16,900 meters ESE D-3 Hiawatha 10,800 meters SE D-5 Palo 4,500 meters SSW D-6 Center Point 9,660 meters N D-7 Shellsburg 7,950 meters W D-8 Urbana 15,000 meters NNW D-10 Atkins 13,600 meters SSW D-1 1 Toddville 4,980 meters E D-13 Alburnett 14,500 meters ENE D-15 On-site, North-Northwest 1,050 meters NNW D-16 On-site, South-Southeast 520 meters SSE D-17 On-site, N 1,050 meters N D-18 On-site, NNE 630 meters NNE D-19 On-site, NE 590 meters NE D-20 On-site, ENE 550 meters ENE D-21 On-site, ENE 515 meters ENE D-22 On-site, ESE 535 meters ESE D-23 On-site, SE 490 meters SE D-28 On-site, WSW 730 meters WSW D-29 On-site, W 630 meters W D-30 On-site, WNW 640 meters WNW D-31 On-site, NW 1,020 meters NW D-32 On-site, NNW 1,110 meters NNW D-33 3 mile ring 4,340 meters N D-34 3 mile ring 3,930 meters NNE D-35 3 mile ring 2,800 meters NE D-36 3 mile ring 3,500 meters ENE D-37 3 mile ring 2,960 meters E D-38 3 mile ring 3,180 meters ESE D-39 3 mile ring 2,510 meters SE D-40 3 mile ring 2,430 meters SSE D-41 3 mile ring 5,680 meters S D-42 3 mile ring 4,380 meters SSE D-43 1 mile ring 1,590 meters SSW D-44 1 mile ring 1,580 meters WSW D-45 1 mile ring 1,420 meters W D-46 1 mile ring 1,580 meters WNW D-47 1 mile ring 1,760 meters NW D-48 1 mile ring 1,680 meters NNW 14

Table 5.3 Sampling locations, Duane Arnold Energy Center (continued).

Sampling Location Code Location Description Distance and Direction from Site Stack D-49 Lewis Access, upstream of DAEC 6,750 meters NNW D-50 Plant Intake 560 meters SE D-51 Plant Discharge 600 meters SE D-53 Treated Municipal Water 13,900 meters SE D-54 Inlet, Municipal Water Treatment System 13,900 meters SE D-55 Production Well D-57 Farm (Off-site Well) 805 meters W D-58 Farm (Off-site Well) 974 meters WSW-SW D-61 Downstream of plant discharge 670 meters SSE D-72 Farm 3,200 meters SSW D-82 On-site, SSE 660 meters SSE D-83 On-site, SSE 620 meters SSE D-84 On-site, S 610 meters S D-85 On-site, SSW 660 meters SSW D-86 On-site, SW 850 meters SW D-91 On-site, NNW 1,090 meters NNW D-96 Farm 11,400 meters SSW D-99 Pleasant Creek Lake 3,880 meters WNW D-107a North Drainage Ditch D-109 Farm 5,890 meters SW D-110 Farm 12,700 meters SW D-118 Farm 2,230 meters NW D-138 Farm 21,600 meters WSW D-161 ISFSI Fence East On-site D-162 ISFSI Fence South On-site D-163 ISFSI Fence West On-site D-164 ISFSI Fence North On-site 15

Table 5.4 Type and Frequency of collection.

Location Weekly Monthly Quarterly Semiannually A l D-1 TLD D-2 TLD D-3 AP, Al TLD D-5 AP, Al TLD D-6 AP, Al TLD D-7 AP, Al TLD D-8 TLD D-10 T _LD D-11 AP, Al TLD D-13 AP, Al TLD D-15 AP, Al TLD D-16 AP, Al TLD G D-17 to D-23 TLD D-28 to D-39 TLD D-40 AP, Al TLD D-41 to D-48 TLD D-49 SW F D-50 SW BS D-51 SW BS D-53 WW D-54 WW D-55 WW D-57 WW G D-58 WW G D-61 SW F D-72 WW G D-82 to D-86 TLD D-91 TLD D-96 G D-99 SW D-107A BS D-109 G D-110 MI*

D-118 G D-138 MI*

D-161 to D-164 TLD On-site ME

• Biweekly during the grazing season.

16

Table 5.5. Sample codes used in Table 5.4 and Table 5.6.

Code Description AP Airborne Particulates Al Airborne Iodine TLD Thermoluminescent Dosimeter Ml Milk WW Well Water G Vegetation ME Meat SW Surface Water F Fish BS River Sediment 17

Table 5.6. Program Deviations, Duane Arnold Energy Center.

Sample Collection Date Type Analysis Location(s) or Period Comments AP/AI Gross Beta /1-131 D-3 06-28-13 Partial sample (50 m 3), power outage.

AP/AI Gross Beta / 1-131 D-3 10-31-13 Power out at sampler station.

AP/AI Gross Beta/ 1-131 D-3 12-26-13 Sampler pump failure.

AP/AI Gross Beta / 1-131 D-11 05-23-13 Partial sample (112 m 3), breaker found tripped after storm.

AP/AI Gross Beta /1-131 D-11 10-17-13 Partial sample (178 m 3), faulty timer suspected.

AP/AI Gross Beta /1-131 D-1 3 10-03-13 Partial sample (181 m 3), power outage.

AP/AI Gross Beta /1-131 D-1 5 05-30-13 Breaker found tripped after storms.

AP/AI Gross Beta / 1-131 D-15 09-05-13 Partial sample (42 m 3), breaker tripped.

AP/AI Gross Beta / 1-131 D-1 5 10-17-13 Partial sample (154 m 3), power outage.

AP/AI Gross Beta / 1-131 D-1 5 10-31-13 Partial sample (84 m 3), power outage.

3rd Qtr. 2013 TLD Ambient Gamma D-1, D-41, D-82 TLD missing in the field, TLD replaced.

4th Qtr. 2013 TLD Ambient Gamma D-1 7 TLD missing in the field, TLD replaced.

G Gamma D-57, D-72, D-96 2013 No vegetation was available.

In no instance did missed analyses affect minimum sampling requirements as specified in the ODAM.

18

Table 5.7 Radiological Environmental Monitoring Program Summary.

Name of Facility Duane Arnold Energy Center Docket No. 50-331 Location of Facility Linn, Iowa Reporting Period January-December, 2013 (County, State)

Indicator Location with Highest Control Number Sample Type and Locations Annual Mean Locations Non-Type Number of LLD b Mean (F) c Mean (F) c Mean (F) c Routine (Units) Analyses a Range C Location d Range' Range c Results Airborne Pathway Airborne GB 465 0.003 0.028 (413/413) D-16, On-site 0.030 (52/52) 0.025 (52/52) 0 Particulates (0.007-0.062) 0.5 mi. SSE (0.010-0.062) (0.008-0.055)

(pCi/m3) GS 36 Be-7 0.020 0.068 (32/32) D-6, Center Point 0.072 (4/4) 0.059 (4/4) 0 (0.048-0.093) 7 mi. N (0.057-0.093) (0.042-0.072)

Mn-54 0.0013 < LLD < LLD 0 Fe-59 0.0030 < LLD < LLD 0 Co-58 0.0012 < LLD < LLD 0 Co-60 0.0011 < LLD < LLD 0 Zn-65 0.0024 < LLD < LLD 0 Nb-95 0.0018 < LLD < LLD 0 Zr-95 0.0026 < LLD < LLD 0 Ru-103 0.0017 < LLD < LLD 0 Ru-106 0.0125 < LLD < LLD 0 Cs-134 0.0013 < LLD < LLD 0 Cs-137 0.0011 < LLD < LLD 0 Ce-141 0.0027 < LLD < LLD 0 Ce-144 0.0065 < LLD < LLD 0 Airborne Iodine 1-131 465 0.030 < LLD < LLD 0 3

(pCi/m )

Direct Radiation TLDs (mR/quarter)

Control Locations Gamma 39 1.0 None D-8,Urbana 18.7 (4/4) 15.9 (39/39) 0 10 mi. NW (14.8-24.8) (9.3-24.8)

Within 0.5 mi. Gamma 78 1.0 17.7 (78/78) D-21,On-site 20.4 (4/4) None 0 of Stack (8.6-28.1) 0.3 mi. ENE (15.8-27.9)

Within 1.0 mi. Gamma 24 1.0 18.6 (24/24) D-48, 20.5 (4/4) None 0 of Stack (11.2-27.4) 1 mi. NNW (15.0-27.4)

Within 3.0 mi. Gamma 39 1.0 16.2 (39/39) D-41, 20.9 (3/4) None 0 of Stack (9.7-25.2) 3.5 mi. S (16.3-25.2)

ISFSI border Gamma 16 1.0 34.2 (16/16) D-161 54.2 (4/4) None 0 (11.0-63.8) ISFSI Fence (48.3-63.8) 19

Table 5.7 Radiological Environmental MonitoringProgram Summary.

Name of Facility Duane Arnold Energy Center Docket No. 50-331 Location of Facility Linn, Iowa Reporting Period January-December, 2013 (County, State)

Indicator Location with Highest Control Number Sample Type and Locations Annual Mean Locations Non-Type Number of LLD Mean (F) c Mean (F) C Mean (F) c Routine J

b (Units) Analyses a Range' Location d Range Range' Results Waterborne Pathway Ground Water, GB 6 0.5 2.0 (4/5) D-58, Farm 4.2 (1/1) < LLD 0 potable (pCi/L) (0.6-4.2) 1 mi. WSW-SW H-3 24 158 < LLD < LLD 0 GS 24 Mn-54 3.7 < LLD < LLD 0 Fe-59 7.1 < LLD < LLD 0 Co-58 3.5 < LLD < LLD 0 Co-60 3.8 < LLD < LLD 0 Zn-65 7.8 < LLD < LLD 0 Nb-95 4.3 < LLD < LLD 0 Zr-95 6.9 < LLD < LLD 0 1-131 11.4 < LLD < LLD 0 Cs-134 3.7 < LLD < LLD 0 Cs-137 3.5 < LLD < LLD 0 Ba-140 25.6 < LLD < LLD 0 La-140 6.2 < LLD < LLD 0 Ingestion Pathway Milk 1-131 36 0.5 < LLD < LLD 0 (pCi/L)

GS 36 K-40 100 1407 (18/18) D-138, Farm 1448 (18/18) 1448 (18/18) 0 (1226-1583) 13.4 mi. WSW (1297-1530) (1297-1530)

Cs-134 5 < LLD < LLD 0 Cs-137 5 < LLD < LLD 0 Ba-140 60 < LLD < LLD 0 La-140 5 < LLD < LLD 0 Broadleaf GS 3 Vegetation K-40 0.5 3.04 (3/3) D-40, Farm 4.95 (1/1) none 0 (pCi/g wet) (2.07-4.95) 1.5 mi. SSE Mn-54 0.014 < LLD none 0 Fe-59 0.027 < LLD none 0 Co-58 0.011 < LLD none 0 Co-60 0.013 < LLD none 0 Zn-65 0.033 < LLD none 0 Nb-95 0.018 < LLD none 0 Zr-95 0.028 < LLD none 0 Ru-103 0.021 < LLD none 0 Ru-106 0.135 < LLD none 0 1-131 0.030 < LLD none 0 Cs-134 0.017 < LLD none 0 Cs-137 0.013 < LLD none 0 Ce-141 0.031 < LLD none 0 Ce-144 0.095 < LLD none 0 20

Table 5.7 Radiological Environmental Monitoring Program Summary.

Name of Facility Duane Arnold Energy Center Docket No. 50-331 Location of Facility Linn, Iowa Reporting Period January-December, 2013 (County, State)

Indicator Location with Highest Control Number Sample Type and Locations Annual Mean Locations Non-Type Number of LLD b Mean (F) c Mean (F) Mean (F) c Routine (Units) Analyses I Rangec Location Range' Range c Results Ingestion Pathway (cont.)

Vegetation GS 11 (Grain and Forage) K-40 0.5 5.75 (7/7) 9.67 (2/2) 9.67 (2/2) 6.91 (2/2) 0 (pCi/g wet) (2.11-16.31) (3.02-16.31) (3.02-16.31) (2.46-11.35)

Mn-54 0.032 < LLD < LLD 0 Fe-59 0.063 < LLD < LLD 0 Co-58 0.018 < LLD < LLD 0 Co-60 0.023 < LLD < LLD 0 Zn-65 0.035 < LLD < LLD 0 Nb-95 0.019 < LLD < LLD 0 Zr-95 0.051 < LLD < LLD 0 Ru-1i03 0.033 < LLD < LLD 0 Ru-106 0.201 < LLD < LLD 0 1-131 0.053 < LLD < LLD 0 Cs-134 0.021 < LLD < LLD 0 Cs-137 0.031 < LLD < LLD 0 Ce-141 0.053 < LLD < LLD 0 Ce-144 0.185 < LLD < LLD 0 Fish GS 8 (pCi/g wet) K-40 1.0 3.19 (4/4) D-49, Upstream, 3.39 (4/4) 3.39 (4/4) 0 (2.90-3.70) 4.0 mi. NNW (2.87-3.78) (2.87-3.78)

Mn-54 0.018 , < LLD < LLD 0 Fe-59 0.050 < LLD < LLD 0 Co-58 0.022 < LLD < LLD 0 Co-60 0.012 < LLD < LLD 0 Zn-65 0.034 < LLD < LLD 0 Nb-95 0.031 < LLD < LLD 0 Zr-95 0.034 < LLD < LLD 0 Ru-103 0.030 < LLD < LLD 0 Ru-106 0.14 < LLD < LLD 0 Cs-134 0.016 < LLD < LLD 0 Cs-137 0.019 < LLD < LLD 0 Ce-141 0.058 < LLD < LLD 0 Ce-144. 0.143 < LLD < LLD 0 a GB = Gross beta; GS = Gamma spectroscopy b LLD = Nominal lower limit of detection based on 4.66 sigma counting error for the background sample.

'Mean and range based upon detectable measurements only. Fraction of detectable measurements at specified locations is indicated in parentheses (F).

d Locations are specified by: (1) Name and code (Table 5.3); and (2) distance, direction and sector relative to reactor site.

Non-routine results are those which exceed ten times the control station value for the location. If a control station value is not available, the result is considered non-routine if it exceeds ten times the preoperational value for the location.

21

Figure 5.1 Radiological Environmental Monitoring Program Sampling Stations near the Duane Arnold Energy Center.

4 N

- --- 17 32 14 18 i 2

0 31 62I 0

19

()

lii 30 0

57 29 2

58 GATE 2000 feet See Table 5.3 for sampling locations and Table 5.4 for Type and Frequency of collection.

22

Figure 5.2. Radiological Environmental Monitoring Program Sampling Stations Outside 0.5 Miles.

See Table 5.3 for sampling locations and Table 5.4 for Type and Frequency of collection.

23

6.0 REFERENCES

CITED Arnold, J. R. and H. A. AI-Salih. 1955. Beryllium-7 Produced by Cosmic Rays. Science 121: 451-453.

Eisenbud, M. 1963. Environmental Radioactivity, McGraw-Hill, New York, New York, pp. 213, 275-276.

Environmental, Inc., Midwest Laboratory.

2001 through 2014. Environmental Radiological Monitoring Program for the Duane Arnold Energy Center, Annual Report - Part II, Data Tabulations and Analyses, January - December, 2001 - 2013.

1984 to 2000. (formerly Teledyne Brown Engineering, Environmental Services, Midwest Laboratory)

Environmental Radiological Monitoring Program for the Duane Arnold Energy Center, Annual Report - Part II, Data Tabulations and Analyses, January - December, 1983 - 1999.

1982 to 1984. (formerly Hazleton Environmental Sciences Corporation) Environmental Radiation Monitoring for the Duane Arnold Energy Center, Annual Report - Part II, Data Tabulations and Analyses, January - December 1981 - 1983.

2012. Quality Assurance Program Manual, Rev. 3, 14 November 2012.

2009. Quality Control Procedures Manual, Rev. 2, 08 July 2009.

2009. Quality Control Program, Rev. 2, 12 November 2009.

Gold, S., H. W. Barkhau, B. Shlein, and B. Kahn, 1964. Measurement of Naturally Occurring Radionuclides in Air, in the Natural Environment, University of Chicago Press, Chicago, Illinois, 369-382.

National Center for Radiological Health, 1968. Radiological Health and Data Reports, Vol. 9, Number 12, 730-746.

U. S. Department of Energy. 1978. Environmental Quarterly, Appendix E. Half-Life Tables, 1 January 1978, EML-334.

U. S. Nuclear Regulatory Commission. 1977. Regulatory Guide 1.109, Calculation of Annual Doses to Man from Routine Releases of Reactor Effluents for the Purpose of Evaluating Compliance with 10CFR Part 50, Appendix I.

Wilson, D. W., G. M. Ward and J. E. Johnson. 1969. In Environmental Contamination by Radioactive Materials, International Atomic Energy Agency. p.125.

24

1. T Environmental, Inc.

Midwest Laboratory 700 Landwehr Road -Northbrook. IL 60062.2310 plhoi (847) 564.0700 . fa. (847) 564-4517 APPENDIX A INTERLABORATORY COMPARISON PROGRAM RESULTS NOTE: Environmental Inc., Midwest Laboratory participates in intercomparison studies administered by Environmental Resources Associates, and serves as a replacement for studies conducted previously by the U.S. EPA Environmental Monitoring Systems Laboratory, Las Vegas, Nevada. Results are reported in Appendix A. TLD Intercomparison results, in-house spikes, blanks, duplicates and mixed analyte performance evaluation program results are also reported. Appendix A is updated four times a year; the complete Appendix is included in March, June, September and December monthly progress reports only. .

January through December, 2013

Appendix A Interlaboratory Comparison Program Results Environmental, Inc., Midwest Laboratory has participated in interlaboratory comparison (crosscheck) programs since the formulation of its quality control program in December 1971. These programs are operated by agencies which supply environmental type samples containing concentrations of radionuclides known to the issuing agency but not to participant laboratories. The purpose of such a program is to provide an independent check on a laboratory's analytical procedures and to alert it of any possible problems.

Participant laboratories measure the concentration of specified radionuclides and report them to the issuingagency. Several months later, the agency reports the known values to the participant laboratories and specifies control limits. Results consistently higher or lower than the known values or outside the control limits indicate a need to check the instruments or procedures used.

Results in Table A-1 were obtained through participation in the environmental sample crosscheck program administered by Environmental Resources Associates, serving as a replacement for studies conducted previously by the U.S. EPA Environmental Monitoring Systems Laboratory, Las Vegas, Nevada.

Table A-2 lists results for thermoluminescent dosimeters (TLDs), via International Intercomparison of Environmental Dosimeters, when available, and internal laboratory testing.

Table A-3 lists results of the analyses on in-house "spiked" samples for the past twelve months. All samples are prepared using NIST traceable sources. Data for previous years available upon request.

Table A-4 lists results of the analyses on in-house "blank" samples for the past twelve months. Data for previous years available upon request.

Table A-5 lists REMP specific analytical results from the in-house "duplicate" program for the past twelve months. Acceptance is based on the difference of the results being less than the sum of the errors. Complete analytical data for duplicate analyses is available upon request.

The results in Table A-6 were obtained through participation in the Mixed Analyte Performance Evaluation Program.

Results in Table A-7 were obtained through participation in the environmental sample crosscheck program administered by Environmental Resources Associates, serving as a replacement for studies conducted previously by the Environmental Measurement Laboratory Quality Assessment Program (EML).

Attachment A lists the laboratory precision at the 1 sigma level for various analyses. The acceptance criteria in Table A-3 is set at +/- 2 sigma.

Out-of-limit results are explained directly below the result.

Al

Attachment A ACCEPTANCE CRITERIA FOR "SPIKED" SAMPLES LABORATORY PRECISION: ONE STANDARD DEVIATION \ fALUES FOR VARIOUS ANALYSESa One standard deviation Analysis Level for single determination Gamma Emitters 5 to 100 pCi/liter or kg 5.0 pCi/liter

> 100 pCi/liter or kg 5% of known value Strontium-89b 5 to 50 pCi/liter or kg 5.0 pCi/liter

> 50 pCi/liter or kg 10% of known value 2 to 30 pCi/liter or kg Strontium -90b 5.0 pCi/liter

> 30 pCi/liter or kg 10% of known value Potassium-40 > 0.1 g/liter or kg 5% of known value Gross alpha < 20 pCi/liter 5.0 pCi/liter

> 20 pCi/liter 25% of known value Gross beta < 100 pCi/liter 5.0 pCi/liter

> 100 pCi/liter 5% of known value Tritium 5 4,000 pCi/liter 1l =

0 0 933 169.85 x (known)

> 4,000 pCi/liter 10% of known value Radium-226,-228 > 0.1 pCi/liter 15% of known value Plutonium a 0.1 pCi/liter, gram, or sample 10% of known value Iodine-131, 5 55 pCi/liter 6 pCi/liter Iodine-1 2 9 b > 55 pCi/liter 10% of known value Uranium-238, 5 35 pCi/liter 6 pCi/liter Nickel-63b > 35 pCi/liter 15% of known value Technetium-99b Iron-55b 50 to 100 pCi/liter 10 pCi/liter

> 100 pCi/liter 10% of known value Other Analyses b 20% of known value 8 From EPA publication, "Environmental Radioactivity Laboratory Intercomparison Studies Program, Fiscal Year, 1981-1982, EPA-600/4-81-004.

b Laboratory limit.

A2

TABLE A-1. Interlaboratory Comparison Crosscheck program, Environmental Resource Associates (ERA)a.

Concentration (pCi/L)

Lab Code Date Analysis Laboratory ERA Control Result b Result c Limits Acceptance ERW-76 01/07/13 Ra-226 10.04 +/- 0.55 9.91 7.42 -11.60 Pass ERW-76 01/07/13 Ra-228 6.11 +/- 1.29 5.22 3.14 -6.96 Pass ERW-76 01/07/13 Uranium 5.90 +/- 0.58 5.96 4.47 -7.13 Pass ERW-1593 04/08/13 Sr-89 43.60 +/- 4.32 41.30 31.60 - 48.40 Pass ERW-1 593 04/08/13 Sr-90 23.20 +/- 1.70 23.90 17.20 -28.00 Pass ERW-1 596 04/08/13 Ba-1 33 74.80 +/- 4.00 82.10 69.00 - 90.30 Pass ERW-1 596 04/08/13 Co-60 65.50 +/- 3.42 65.90 59.30 - 75.00 Pass ERW-1596 04/08/13 Cs-1 34 41.10 +/- 3.47 42.80 34.20 - 47.10 Pass ERW-1596 04/08/13 Cs-1 37 42.30 +/- 4.03 41.70 37.00 - 48.80 Pass ERW-1596 04/08/13 Zn-65 200.3 +/- 10.1 189.0 170.0 - 222.0 Pass ERW-1598 04/08/13 Gr. Alpha 34.30 +/- 1.98 40.80 21.10 - 51.90 Pass ERW-1 598 04/08/13 Gr. Beta 18.70 +/- 0.98 21.60 13.00 -29.70 Pass ERW-1600 04/08/13 1-131 23.00 +/- 1.10 23.80 19.70 -28.30 Pass ERW-1600 04/08/13 1-131(G) 23.48 +/- 9.44 23.80 19.70 -28.30 Pass ERW-1605 04/08/13 Ra-226 16.30 +/- 0.70 15.40 11.50 - 17.70 Pass ERW-1605 04/08/13 Ra-228 5.32 +/- 1.30 4.36 2.54 - 5.98 Pass ERW-1605 04/08/13 Uranium 57.30 +/- 4.20 61.20 49.80 - 67.90 Pass ERW-1606 04/08/13 H-3 4041 +/- 194 4050 3450 - 4460 Pass ERW-6009 10/07/13 Sr-89 22.00 +/- 2.80 21.90 14.40 +/- 28.20 Pass ERW-6009 10/07/13 Sr-90 17.10 +/- 2.55 18.10 12.80 +/- 21.50 Pass ERW-6012 10/07/13 Ba-133 48.20 +/- 4.29 54.20 44.70 +/- 59.90 Pass ERW-6012 10/07/13 Co-60 100.8 +/-4.7 102.0 91.80 +/- 114.00 Pass ERW-6012 10/07/13 Cs-1 34 87.30 +/- 4.35 86.70 71.10 +/- 95.40 Pass ERW-6012 10/07/13 Cs-1 37 199.6 +/- 7.4 206.0 185.0 - 228.0 Pass ERW-6012 10/07/13 Zn-65 356.2 +/- 13.2 333.0 300.0 - 389.0 Pass ERW-6015 10/07/13 Gr. Alpha 30.70 +/- 11.90 42.80 22.20 +/- 54.30 Pass ERW-6015 10/07/13 Gr. Beta 25.70 +/- 6.48 32.20 20.80 +/- 39.90 Pass ERW-6019 10/07/13 1-131 22.50 +/- 1.01 23.60 19.60 +/- 28.00 Pass ERW-6022 10/07/13 Ra-226 12.70 +/- 1.62 12.10 9.04 +/- 14.00 Pass d

ERW-6022 10/07/13 Ra-228 5.70 +/- 0.56 4.02 2.30 +/- 5.59 Fail ERW-6022 10/07/13 Uranium 6.59 +/- 0.38 6.24 4.70 +/- 7.44 Pass ERW-6024 10/07/13 H-3 18397 +/-695 17700 15500 - 19500 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.

Results are presented as the known values, expected laboratory precision (1 sigma, 1 determination) and control limits as provided by ERA.

d The reported result was obtained in the first cycle of counting. It can be positively biased due to extra beta counts contributed by Pb-214 and Bi-214 daughters of Rn-222. Result of second cycle of counting 4.47 pCi/L.

A1-1

TABLE A-2. Thermoluminescent Dosimetry, (TLD, CaSO 4 : Dy Cards).

mR Lab Code Date Known Lab Result Control Description Value +/- 2 sigma Limits Acceptance Environmental, Inc.

2013-1 516/2013 40 cm. 34.26 39.92 +/- 2.67 23.98 - 44.54 Pass 2013-1 5/6/2013 50 cm. 21.93 25.44 +/- 3.31 15.35 -28.51 Pass 2013-1 5/6/2013 60 cm. 15.23 15.88 +/- 1.12 10.66 - 19.80 Pass 2013-1 5/6/2013 70 cm. 11.19 10.89 +/- 0.66 7.83 -14.55 Pass 2013-1 5/6/2013 80 cm. 8.57 9.21 +/- 0.41 6.00 -11.14 Pass 2013-1 5/6/2013 90 cm. 6.77 6.52 +/- 0.34 4.74 -8.80 Pass 2013-1 5/6/2013 100 cm. 5.48 5.02 +/- 0.53 3.84 -7.12 Pass 2013-1 5/6/2013 110 cm. 4.53 4.51 +/- 0.34 3.17 -5.89 Pass 2013-1 5/6/2013 120 cm. 3.81 4.28 +/- 0.35 2.67 -4.95 Pass 2013-1 5/6/2013 135 cm. 3.01 2.64 +/- 0.18 2.11 -3.91 Pass 2013-1 5/6/2013 150 cm. 2.44 2.10 +/- 0.25 1.71 -3.17 Pass 2013-1 5/6/2013 180 cm. 1.69 1.78 +/- 0.33 1.18 -2.20 Pass Environmental, Inc.

2013-2 11/18/2013 50 cm. 19.93 22.75 +/- 3.67 13.95 -25.91 Pass 2013-2 11/18/2013 60 cm. 13.84 15.75 +/- 1.94 9.69 -17.99 Pass 2013-2 11/18/2013 70 cm. 10.17 11.24 +/- 0.88 7.12 -13.22 Pass 2013-2 11/18/2013 75 cm. 8.86 9.18 +/- 1.23 6.20 -11.52 Pass 2013-2 11/18/2013 80 cm. 7.79 7.81 +/- 1.10 5.45 -10.13 Pass 2013-2 11/18/2013 90 cm. 6.15 5.98 +/- 0.90 4.31 -8.00 Pass 2013-2 11/18/2013 100 cm. 4.98 5.13 +/- 0.73 3.49 -6.47 Pass 2013-2 11/18/2013 110 cm. 4.12 3.87 +/- 0.32 2.88 -5.36 Pass 2013-2 11/18/2013 120 cm. 3.46 3.11 +/- 0.39 2.42 -4.50 Pass 2013-2 11/18/2013 135 cm. 2.73 2.71 +/- 0.83 1.91 -3.55 Pass 2013-2 11/18/2013 150 cm. 2.21 2.11 +/- 0.63 1.55 -2.87 Pass 2013-2 11/18/2013 180 cm. 1.54 1.81 +/- 0.10 1.08 -2.00 Pass A2-1

TABLE A-3. In-House "Spiked" Samples Concentration (pCi/L)a Lab Code b Date Analysis Laboratory results Known Control 2s, n=1 c Activity Limits d Acceptance SPW-66 1/9/2013 Tc-99 1009 5 1078 754.9 - 1402.0 Pass SPW-1891 1/18/2013 Ra-228 35.60 + 2.75 30.85 21.60 -40.11 Pass SPSO-12313S 1/23/2013 Tc-99 103.5 +/-2.2 107.8 75.46 - 140.14 Pass SPMI-264 1/25/2013 Cs-134 110.9 +/-6.7 107.5 96.73 -118.23 Pass SPMI-264 1/25/2013 Cs-137 82.84 +/- 7.47 77.48 67.48 - 87.48 Pass SPMI-264 1/25/2013 Sr-90 38.19 +/- 1.49 40.11 32.09 -48.13 Pass SPW-266 1/25/2013 Co-60 46.89 +/- 4.68 44.48 34.48 - 54.48 Pass SPW-266 1/25/2013 Cs-134 105.9 +/- 8.0 107.5 96.73 - 118.23 Pass SPW-266 1/25/2013 Cs-137 42.17 +/- 5.65 39.49 29.49 - 49.49 Pass SPW-266 1/25/2013 Sr-90 39.84 +/- 1.65 40.11 32.09 -48.13 Pass SPAP-376 2/1/2013 Gr. Beta 44.20 +/- 0.11 45.68 27.41 - 63.95 Pass SPAP-378 2/1/2013 Cs-134 3.71 +/- 0.65 3.87 2.32 - 5.42 Pass SPAP-378 2/1/2013 Cs-137 97.47 +/- 2.50 102.9 92.61 -113.19 Pass SPW-391 2/1/2013 H-3 63719 +/- 703 65626 52501 -78751 Pass SPW-380 2/10/2013 Ni-63 217.0 +/- 3.7 205.3 143.7 - 266.9 Pass W-30413 3/4/2013 Gr. Alpha 19.77 +/- 0.40 20.00 10.00 -30.00 Pass W-30413 3/4/2013 Gr. Beta 30.48 +/- 0.34 30.90 20.90 - 40.90 Pass W-30713 3/7/2013 Ra-226 18.06 +/- 0.51 16.70 11.69 -21.71 Pass W-42713 4/27/2013 Gr. Alpha 20.67 +/- 0.40 20.00 10.00 -30.00 Pass W-42713 4/27/2013 Gr. Beta 28.44 +/- 0.32 30.90 20.90 - 40.90 Pass WW-2870 5/7/2013 Co-60 166.1 +/- 7.4 161.6 145.4 - 177.8 Pass WW-2870 5/7/2013 Cs-1 37 161.2 +/- 9.3 149.0 134.1 -163.9 Pass WW-2870 5/7/2013 H-3 6853 +/- 250 6735 5388 - 8082 Pass W-53113 5/31/2013 Ra-226 16.83 +/- 0.41 16.70 11.69 - 21.71 Pass SPAP-3332 6/19/2013 Am-241 4.60 +/- 0.14 4.00 2.40 - 5.60 Pass SPW-3334 6/19/2013 Th-230 4.36 +/- 0.34 4.00 2.40 - 5.60 Pass SPW-3458 6/24/2013 C-14 3825 +/- 13 4736 2842 - 6630 Pass SPAP-3529 6/2712013 Cs-134 3.49 +/- 1.26 3.30 1.98 -4.62 Pass SPAP-3529 6/27/2013 Cs-1 37 102.0 +/- 2.9 101.1 90.99 - 111.21 Pass SPAP-3531 6/27/2013 Gr. Beta 45.64 +/- 0.11 45.42 27.25 - 63.59 Pass SPF-3533 6/27/2013 Cs-134 1.31 +/- 0.14 1.50 0.90 -2.10 Pass SPF-3533 6/27/2013 Cs-1 37 2.77 +/- 0.27 2.43 1.46 - 3.40 Pass SPW-3535 6/27/2013 Ni-63 204.3 +/- 3.5 204.8 143.4 - 266.2 Pass SPW-3537 6/27/2013 Tc-99 104.5 +/- 1.7 107.8 75.46 - 140.14 Pass SPW-3539 6/27/2013 Fe-55 97015 +/- 860 90677 72542 -108812 Pass SPW-1893 6/28/2013 Ra-228 30.16 -2.73 30.85 21.60 -40.11 Pass A3-1

TABLE A-3. In-House "Spiked" Samples Concentration (pCi/L)a Lab Code b Date Analysis Laboratory results Known Control 2s, n=1 C Activity Limits d Acceptance SPW-72913S 7/29/2013 Tc-99 126.6 +/-2.2 107.8 75.46 +/- 140.14 Pass SPW-4373 7/31/2013 Cs-1 34 91.71 +/- 6.02 90.94 80.94 +/- 100.94 Pass SPW-4373 7/31/2013 Cs-1 37 83.05 +/- 7.20 76.57 66.57 +/- 86.57 Pass SPW-4373 7/31/2013 Sr-90 39.28 +/- 1.77 39.64 31.71 +/- 47.57 Pass SPW-4374 7/31/2013 Sr-90 42.17 +/- 1.71 39.64 31.71 +/- 47.57 Pass SPMI-4376 7/31/2013 Cs-134 82.22 - 7.23 90.94 80.94 +/- 100.94 Pass SPMI-4376 7/31/2013 Cs-137 83.31 -8.29 76.57 66.57 +/- 86.57 Pass SPMI-4376A 7/31/2013 Sr-90 35.00 +/- 1.63 39.64 31.71 +/- 47.57 Pass W-73113 7/31/2013 Ra-226 17.61 +/- 0.41 16.70 11.69 +/- 21.71 Pass SPS-4514 8/5/2013 Sr-90 78.63 +/- 2.95 79.28 63.42 +/- 95.14 Pass W-82013 8/20/2013 Gr. Alpha 21.53 +/- 0.45 20.00 10.00 +/- 30.00 Pass W-82013 8/20/2013 Gr. Beta 28.03 +/- 0.32 30.90 20.90 +/- 40.90 Pass SPW-1 894 8/28/2013 Ra-228 32.49 +/- 3.00 30.85 21.60 +/- 40.11 Pass W-90913 9/9/2013 Gr. Alpha 19.08 +/- 0.51 20.10 10.05 +/- 30.15 Pass W-90913 9/9/2013 Gr. Beta 32.12 +/- 0.35 32.10 22.10 +/- 42.10 Pass WW-5623 10/3/2013 Co-60 157.0 +/- 7.0 155.3 139.8 - 170.8 Pass WW-5623 10/3/2013 Cs-137 156.0 +/-8.8 148.1 133.3 - 162.9 Pass WW-5623 10/3/2013 H-3 6590 +/- 245 6322 5058 - 7586 Pass WW-5750 10/3/2013 Co-60 87.00 +/- 7.80 77.40 77.00 +/- 97.00 Pass WW-5750 10/3/2013 Cs-1 37 82.30 +/- 7.80 78.80 68.80 +/- 88.80 Pass WW-5750 10/3/2013 H-3 6181 +/- 238 6322 5058 - 7586 Pass W-102813 10/28/2013 Ra-226 15.69 +/- 0.37 16.70 11.69 +/- 21.71 Pass SPW-1 898 12/17/2013 Ra-228 28.15 +/- 2.37 30.85 21.60 +/- 40.11 Pass W-122313 12/23/2013 Gr. Alpha 20.96 +/- 0.47 20.10 10.05 +/- 30.15 Pass W-122313 12/23/2013 Gr. Beta 31.00 +/- 0.34 32.10 22.10 +/- 42.10 Pass 3

o Liquid sample results are reported in pCi/Liter, air filters( pCi/m ), charcoal (pCi/charcoal canister), and solid samples (pCi/kg).

b Laboratory codes: W (Water), Ml (milk), AP (air filter), SO (soil), VE (vegetation), CH (charcoal canister), F (fish), U (urine).

' Results are based on single determinations.

d Control limits are established from the precision values listed in Attachment A of this report, adjusted to +/- 2s.

NOTE: For fish, Jello is used for the Spike matrix. For Vegetation, cabbage is used for the Spike matrix.

A3-2

TABLE A-4. In-House "Blank" Samples 8

Concentration (pCi/L)

Lab Code Sample Date Analysisb Laboratory results (4.66a) Acceptance Type LLD Activityc Criteria (4.66 a)

SPW-67 Water 1/9/2013 Tc-99 1.10 0.69 +/- 0.68 10 SPW-190 Water 1/18/2013 Ra-228 0.74 0.66 +/- 0.43 2 SPW-1901 Water 1/18/2013 Ra-228 0.74 0.66 +/- 0.43 2 SPMI-263 Milk 1/25/2013 Sr-90 0.64 0.31 +/- 0.34 1 SPMI-263 Milk 1/25/2013 Sr-90 0.64 0.31 +/- 0.34 1 SPW-265 Water 1/25/2013 Co-60 2.86 2.10 +/- 1.72 10 SPW-265 Water 1/25/2013 Cs-134 2.98 2.25 +/- 1.57 10 SPW-265 Water 1/25/2013 Cs-1 37 2.71 0.44 +/- 1.61 10 SPW-266 Water 1/25/2013 Sr-90 0.72 -0.12 +/- 0.32 1 SPAP-375 Air Filter 2/1/2013 Gr. Beta 0.003 0.016 +/- 0.003 0.010 SPAP-377 Air Filter 2/1/2013 Co-60 2.31 -0.34 +/- 1.75 100 SPAP-377 Air Filter 2/1/2013 Cs-134 2.72 1.22 +/- 1.62 100 SPAP-377 Air Filter 2/1/2013 Cs-1 37 1.50 -0.52 +/- 1.80 100 SPW-391 Water 2/1/2013 H-3 92.04 -29.44 +/- 69.24 200 SPW-379 Water 2/10/2013 Ni-63 2.11 0.91 +/- 1.30 20 W-30413 Water 3/4/2013 Gr. Alpha 0.35 0.08 +/- 0.26 1 W-30413 Water 3/4/2013 Gr. Beta 0.73 0.10 +/- 0.51 3.2 W-30713 Water 3/7/2013 Ra-226 0.031 0.032 +/- 0.024 1 W-42713 Water 4/27/2013 Gr. Alpha 0.45 -0.14 +/- 0.30 1 W-42713 Water 4/27/2013 Gr. Beta 0.72 -0.23 +/- 0.50 3.2 W-53113 Water 5/31/2013 Ra-226 0.03 0.01 +/- 0.02 1 SPW-3335 Water 6/19/2013 Th-230 0.01 0.01 +/- 0.01 1 SPW-3459 Water 6/24/2013 C-14 10.89 10.44 +/- 6.82 200 SPAP-3528 Air Filter 6/27/2013 Cs-134 2.10 -0.98 +/- 1.11 100 SPAP-3528 Air Filter 6/27/2013 Cs-137 2.71 -0.24 +/- 1.36 100 SPAP-3530 Air Filter 6/27/2013 Gr. Beta 0.004 0.018 +/- 0.003 0.010 SPF-3532 Fish 6/27/2013 Cs-134 8.38 -1.39 +/- 5.69 100 SPF-3532 Fish 6/27/2013 Cs-137 8.37 -1.88 +/- 6.41 100 SPW-3534 Water 6/27/2013 Ni-63 2.47 -1.04 +/- 1.48 20 SPW-3536 Water 6/27/2013 Tc-99 1.15 -1.11 +/- 0.68 10 SPW-3538 water 6/27/2013 Fe-55 170.27 -17.50 +/- 102.70 1000 SPW-1 903 Water 6/28/2013 Ra-228 0.85 -0.02 +/- 0.39 2 A4-1

TABLE A-4. In-House "Blank" Samples Concentration (pCi/L)a Lab Code Sample Date Analysiso Laboratory results (4.66o) Acceptance Type LLD Activityc Criteria (4.66 a)

SPW-72913B Water 7/29/2013 Tc-99 1.44 -0.33 +/- 0.87 10 SPW-4372 Water 7/31/2013 Co-60 1.41 -1.42 +/- 3.00 10 SPW-4372 Water 7/31/2013 Cs-1 34 3.68 -2.66 +/- 3.46 10 SPW-4372 Water 7/31/2013 Cs-1 37 3.53 0.29 +/- 3.31 10 SPMI-4375 Milk 7/31/2013 Co-60 3.92 2.65 +/- 2.26 10 SPMI-4375 Milk 7/31/2013 Cs-134 4.67 0.68 +/- 2.54 10 SPMI-4375 Milk 7/31/2013 Cs-137 4.79 1.30 +/- 2.68 10 SPMI-4375 Milk 7/31/2013 Sr-90 0.57 0.32 +/- 0.30 1 W-73113 Water 7/31/2013 Ra-226 0.02 0.04 +/-0.02 1 SPS-4515 Powder 8/5/2013 Sr-90 0.09 -0.01 +/- 0.04 1 W-82013 Water 8/20/2013 Gr. Alpha 0.42 -0.15 +/- 0.28 1 W-82013 Water 8/20/2013 Gr. Beta 0.74 -0.24 +/- 0.51 3.2 SPW-1904 Water 8/28/2013 Ra-228 0.96 0.85 +/- 0.56 2 CHW-90913 Water 9/9/2013 Gr. Alpha 0.25 0.20 +/- 0.29 1 CHW-90913 Water 9/9/2013 Gr. Beta 0.49 -0.18 +/- 0.53 3.2 CHW-102013 Water 10/20/2013 Gr. Alpha 0.29 0.24 +/- 0.33 1 CHW-102013 Water 10/20/2013 Gr. Beta 0.54 -0.32 +/- 0.54 3.2 W-102813 Water 10/28/2013 Ra-226 0.02 0.02 +/- 0.01 1 SPW-1908 Water 12/17/2013 Ra-228 0.69 0.55 +/- 0.39 2 CHW-1 22313 Water 12/23/2013 Gr. Alpha 0.25 -0.09 +/- 0.26 1 CHW-122313 Water 12/23/2013 Gr. Beta 0.48 0.05 +/- 0.53 3.2 CHW-122713 Water 12/27/2013 Gr. Alpha 0.28 0.04 +/- 0.31 1 CHW-122713 Water 12/27/2013 Gr. Beta 0.49 -0.33 +/- 0.53 3.2 3

o Liquid sample results are reported in pCi/Liter, air filters( pCi/m ), charcoal (pCi/charcoal canister), and solid samples (pCi/kg).

b 1-131(G); iodine-131 as analyzed by gamma spectroscopy.

' Activity reported is a net activity result.

A4-2

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance CF-41, 42 1/2/2013 Gr. Beta 8.45 +/- 0.37 7.90 +/- 0.35 8.17 +/- 0.26 Pass CF-41, 42 1/2/2013 Sr-90 0.030 +/- 0.015 0.029 +/- 0.014 0.030 +/- 0.010 Pass SWT-8243, 8244 1/2/2013 Gr. Beta 1.07 +/- 0.54 0.98 +/- 0.51 1.03 +/- 0.37 Pass AP-8454, 8455 1/2/2013 Be-7 0.053 +/- 0.010 0.042 +/- 0.010 0.048 +/- 0.007 Pass AP-8517, 8518 1/3/2013 Be-7 0.051 +/- 0.015 0.049 +/- 0.017 0.050 +/- 0.011 Pass MI-62, 63 1/8/2013 K-40 1317.70 +/- 91.70 1351.90 +/- 72.50 1334.80 +/- 58.45 Pass WW-151, 152 1/8/2013 H-3 222.70 +/- 81.00 289.70 +/- 84.10 256.20 +/- 58.38 Pass SG-107, 108 1/11/2013 Ra-226 55.20 +/- 5.53 58.60 +/- 5.94 56.90 +/- 4.06 Pass SG-107, 108 1/11/2013 Ra-228 71.60 +/- 1.10 74.30 +/- 1.70 72.95 +/- 1.01 Pass SG-130, 131 1/14/2013 Ra-226 3.91 +/- 0.20 3.45 +/- 0.27 3.68 +/- 0.17 Pass SG-130, 131 1/14/2013 Ra-228 2.40 +/- 0.33 2.70 +/- 0.39 2.55 +/- 0.26 Pass WW-277, 278 1/17/2013 H-3 159.71 +/- 77.91 196.57 +/- 79.72 178.14 +/- 55.73 Pass WW-256, 257 1/22/2013 H-3 502.70 +/- 93.40 483.30 +/- 92.60 493.00 +/- 65.76 Pass DW-40010, 40011 1/24/2013 Ra-226 2.55 +/- 0.18 2.86 +/- 0.20 2.71 +/- 0.13 Pass DW-40010, 40011 1/24/2013 Ra-228 1.78 +/- 0.62 2.22 +/- 0.62 2.00 +/- 0.44 Pass SWT-361, 362 1/29/2013 Gr. Beta 0.90 +/- 0.40 1.01 +/- 0.38 0.96 +/- 0.28 Pass DW-484, 485 1/29/2013 Gr. Beta 14.85 +/- 1.93 14.81 +/- 2.06 14.83 +/- 1.41 Pass S-945, 946 1/29/2013 Cs-137 14.50 +/- 0.18 14.45 +/- 0.19 14.48 +/-.0.13 Pass S-945, 946 1/29/2013 K-40 7.90 +/- 0.74 8.00 +/- 0.73 7.95 +/- 0.52 Pass S-340, 341 1/31/2013 Cs-1 37 0.16 +/- 0.05 0.15 +/- 0.06 0.15 +/- 0.04 Pass S-340, 341 1/31/2013 K-40 17.35 +/- 1.34 19.75 +/- 1.25 18.55 +/- 0.92 Pass AP-463, 464 1/31/2013 Be-7 0.27 +/- 0.10 0.26 +/- 0.10 0.26 +/- 0.07 Pass MI-631, 632 2/13/2013 K-40 1350.50 +/- 105.20 1413.70 +/- 85.94 1382.10 +/- 67.92 Pass WW-769, 770 2125/2013 Gr. Beta 1.20 +/- 0.33 1.35 +/- 0.34 1.28 +/- 0.24 Pass DW-736, 737 2/26/2013 Gr. Beta 1.09 +/- 0.54 1.57 +/- 0.58 1.33 +/- 0.40 Pass SWU-790, 791 2/26/2013 Gr. Beta 2.68 +/- 0.96 2.08 +/- 0.95 2.38 +/- 0.67 Pass W-925, 926 2/27/2013 H-3 2265.00 +/- 153.00 2329.00 +/- 154.00 2297.00 +/- 108.54 Pass AP-1034, 1035 3/7/2013 Be-7 0.17 +/- 0.08 0.16 +/- 0.09 0.17 +/- 0.06 Pass MI-1076, 1077 3/13/2013 K-40 1347.70 +/- 99.32 1396.10 +/- 108.00 1371.90 +/- 73.36 Pass CH-1118, 1119 3/14/2013 1-131(G) 109.41 +/- 5.69 103.88 +/- 7.76 106.65 +/- 4.81 Pass WW-1221, 1222 3/14/2013 H-3 452.11 +/- 97.43 403.29 +/- 95.46 427.70 +/- 68.20 Pass P-1368, 1369 3/15/2013 H-3 735.24 +/- 113.99 666.04 +/- 111.41 700.64 +/- 79.70 Pass DW-40017, 40018 3/19/2013 Gr. Alpha 1.43 +/- 0.94 1.61 +/- 1.00 1.52 +/- 0.69 Pass MI-1473, 1474 4/1/2013 K-40 1618.00 +/- 107.00 1767.00 +/- 129.00 1692.50 +/- 83.80 Pass AP-2014, 2015 4/1/2013 Be-7 0.055 +/- 0.008 0.057 +/- 0.006 0.056 +/- 0.005 Pass DW-40023, 40024 4/1/2013 Ra-226 2.29 +/- 0.18 2.54 +/- 0.20 2.42 +/- 0.13 Pass DW-40023, 40024 4/1/2013 Ra-228 2.99 +/- 0.69 2.96 +/- 0.67 2.98 +/- 0.48 Pass SWU-736, 737 4/2/2013 Gr. Beta 4.80 +/- 0.95 4.43 +/- 0.86 4.62 +/- 0.64 Pass AP-2035, 2036 4/2/2013 Be-7 0.070 +/- 0.013 0.065 +/- 0.013 0.068 +/- 0.009 Pass BS-1680, 1681 4/8/2013 K-40 1995.30 +/- 265.70 1992.00 +/- 289.40 1993.65 +/- 196.44 Pass SW-1638, 1639 4/9/2013 H-3 1350.77 +/- 130.08 1320.45 +/- 129.25 1335.61 +/- 91.69 Pass A5-1

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance WW-2394,2395 4/9/2013 H-3 348.08 + 88.40 302.43 +/- 86.41 325.25 +/- 61.81 Pass DW-40035, 40036 4/12/2013 Ra-226 1.36 + 0.15 1.29 +/- 0.13 1.33 +/- 0.10 Pass DW-40035, 40036 4/12/2013 Ra-228 1.22 + 0.49 1.38 +/- 0.53 1.30 +/- 0.36 Pass MI-1 825, 1826 4/15/2013 K-40 1290.20 + 113.80 1378.60 +/- 91.99 1334.40 +/- 73.17 Pass MI-1825, 1826 4/15/2013 Sr-90 0.68 + 0.32 0.46 +/- 0.31 0.57 +/- 0.22 Pass DW-40049, 40050 4/15/2013 Gr. Alpha 1.88 +/- 0.69 2.51 +/- 0.71 2.20 +/- 0.50 Pass WW-1909, 1910 4/16/2013 H-3 2145.68 +/- 156.65 2108.32 +/- 155.80 2127.00 +/- 110.47 Pass DW-40064, 40065 4/23/2013 Gr. Alpha 1.95 +/- 0.79 1.80 +/- 0.81 1.88 +/- 0.57 Pass DW-40066, 40067 4/23/2013 Ra-226 1.98 +/- 0.17 1.66 +/- 0.16 1.82 +/- 0.12 Pass DW-40066, 40067 4/23/2013 Ra-228 2.30 +/- 0.59 2.32 +/- 0.59 2.31 +/- 0.42 Pass F-2225, 2226 5/1/2013 K-40 2.81 +/- 0.37 2.67 +/- 0.39 2.74 +/- 0.27 Pass BS-2267, 2268 511/2013 K-40 13.46 +/- 0.64 13.59 +/- 0.62 13.52 +/- 0.45 Pass SG-2235, 2236 5/2/2013 Ac-228 18.30 +/- 0.60 18.50 +/- 0.60 18.40 +/- 0.42 Pass SG-2235, 2236 5/2/2013 Gr. Alpha 54.00 +/- 3.70 51.90 +/- 3.40 52.95 +/- 2.51 Pass SG-2235, 2236 5/2/2013 Pb-214 11.30 +/- 0.30 11.20 +/- 0.20 11.25 +/- 0.18 Pass AP-2288, 2289 5/2/2013 Be-7 0.19 +/- 0.10 0.19 +/- 0.08 0.19 +/- 0.07 Pass WW-3091,3092 5/2/2013 H-3 1107.91 +/- 153.49 1263.37 +/- 157.43 1185.64 +/- 109.94 Pass SW-2373, 2374 5/8/2013 H-3 324.80 +/- 86.81 364.61 +/- 88.53 344.71 +/- 62.00 Pass W-2352,2353 5/9/2013 Ra-226 0.91 +/- 0.20 1.29 +/- 0.22 1.10 +/- 0.15 Pass W-2352,2353 5/9/2013 Ra-228 1.28 +/- 0.87 1.03 +/- 0.94 1.16 +/- 0.64 Pass CF-2499, 2500 5/13/2013 K-40 11.52 +/- 0.45 12.55 +/- 0.61 12.04 +/- 0.38 Pass F-3987, 3988 5/20/2013 K-40 3.07 +/- 0.48 3.05 +/- 0.43 3.06 +/- 0.32 Pass BS-4113, 4114 5/20/2013 K-40 8.06 +/- 0.44 7.99 +/- 0.44 8.02 +/- 0.31 Pass SO-2902, 2903 5/22/2013 Th-228 0.57 +/- 0.07 0.51 +/- 0.06 0.54 +/- 0.05 Pass SO-2902, 2903 5/22/2013 Th-230 0.39 +/- 0.06 0.40 +/- 0.05 0.40 +/- 0.04 Pass SO-2902, 2903 5/22/2013 Th-232 0.55 +/- 0.07 0.62 +/- 0.06 0.59 +/- 0.05 Pass WW-2776,2777 5/23/2013 H-3 261.76 +/- 100.85 283.17 +/- 101.68 272.46 +/- 71.61 Pass WW-2818, 2819 5/23/2013 H-3 999.35 +/- 126.15 880.63 +/- 122.43 939.99 +/- 87.90 Pass S-7271, 7272 5/27/2013 Cs-137 2.82 +/- 0.10 2.91 +/- 0.09 2.86 +/- 0.07 Pass S-7271, 7272. 5/27/2013 K-40 21.52 +/- 0.97 21.13 +/- 1.02 21.32 +/- 0.70 Pass P-2923, 2924 5/29/2013 H-3 441.31 +/- 92.75 374.30 +/- 89.94 407.80 +/- 64.60 Pass WW-3133, 3134 6/1/2013 H-3 278.42 +/- 86.54 209.45 +/- 83.44 243.93 +/- 60.11 Pass WW-3049,3050 6/5/2013 H-3 156.08 +/- 79.16 244.66 +/- 83.86 200.37 +/- 57.66 Pass DW-40079, 40080 6/5/2013 Ra-226 6.67 +/- 0.30 7.03 +/- 0.35 6.85 +/- 0.23 Pass DW-40079, 40080 6/5/2013 Ra-228 5.55 +/- 0.75 6.11 +/- 0.77 5.83 +/- 0.54 Pass DW-40089, 40090 6/5/2013 Gr. Alpha 6.82 +/- 0.90 5.64 +/- 1.02 6.23 +/- 0.68 Pass DW-40091, 40092 6/5/2013 Ra-226 3.44 +/- 0.19 3.66 +/- 0.19 3.55 +/- 0.13 Pass DW-40091, 40092 6/5/2013 Ra-228 3.70 +/- 0.68 4.69 +/- 0.73 4.20 +/- 0.50 Pass DW-40103, 40104 6/5/2013 Ra-226 0.98 +/- 0.22 0.62 +/- 0.15 0.80 +/- 0.13 Pass MI-3154, 3155 6/12/2013 K-40 1513.00 +/- 128.10 1456.70 +/- 110.30 1484.85 +/- 84.52 Pass P-3385, 3386 6/14/2013 H-3 236.88 +/- 87.87 242.87 +/- 88.14 239.88 +/- 62.23 Pass F-3776, 3777 6/16/2013 Cs-137 0.039 +/- 0.015 0.048 +/- 0.019 0.044 +/- 0.012 Pass F-3776, 3777 6/16/2013 Gr. Beta 4.52 +/- 0.09 4.63 +/- 0.09 4.57 +/- 0.06 Pass F-3776, 3777 6/16/2013 K-40 3.40 +/- 0.41 3.52 +/- 0.39 3.46 +/- 0.29 Pass A5-2

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)8 Averaged Lab Code Date Analysis First Result Second Result Result Acceptance S-3238, 3239 6/17/2013 Be-7 1139.80 +/- 215.00 1102.00 +/- 194.70 1120.90 +/- 145.03 Pass S-3238, 3239 6/17/2013 Cs-134 26.23 +/- 13.23 39.91 +/- 11.73 33.07 +/- 8.84 Pass S-3238, 3239 6/17/2013 Cs-137 72.75 +/- 25.99 85.91 +/- 22.58 79.33 +/- 17.21 Pass S-3238, 3239 6/17/2013 K-40 21847.00 +/- 656.50 22158.00 +/- 622.80 22002.50 +/- 452.46 Pass SO-3343, 3344 6/17/2013 Cs-137 0.087 +/- 0.022 0.084 +/- 0.017 0.086 +/- 0.014 Pass SO-3343, 3344 6/17/2013 K-40 8.90 +/- 0.53 9.47 +/- 0.49 9.19 +/- 0.36 Pass DW-40118, 40119 6/26/2013 Gr. Alpha 3.56 +/- 1.07 4.51 +/- 0.96 4.04 +/- 0.72 Pass DW-40118, 40119 6/26/2013 Ra-226 2.52 +/- 0.22 2.48 +/- 0.19 2.50 +/- 0.15 Pass DW-40118, 40119 6/26/2013 Ra-228 2.75 +/- 0.71 2.86 +/- 0.75 2.81 +/- 0.52 Pass WW-3583, 3584 6/27/2013 H-3 6732.57 +/- 246.74 6807.94 +/- 247.98 6770.26 +/- 174.91 Pass AP-4092, 4093 6/28/2013 Be-7 0.078 +/- 0.015 0.083 +/- 0.017 0.080 +/- 0.011 Pass E-3608, 3609 7/1/2013 K-40 1.28 +/- 0.13 1.29 +/- 0.11 1.28 +/- 0.09 Pass MI-3629, 3630 7/1/2013 K-40 1840.70 +/- 130.10 1804.90 +/- 143.00 1822.80 +/- 96.66 Pass AP-4050, 4051 7/1/2013 Be-7 0.094 +/- 0.009 0.093 +/- 0.009 0.093 +/- 0.006 Pass DW-40134, 40135 7/1/2013 Ra-226 1.75 +/- 0.15 1.56 +/- 0.15 1.66 +/- 0.11 Pass DW-40134, 40135 7/1/2013 Ra-228 2.07 +/- 0.60 1.61 +/- 0.57 1.84 +/- 0.41 Pass AP-4071, 4072 7/3/2013 Be-7 0.066 +/- 0.009 0.069 +/- 0.011 0.067 +/- 0.007 Pass DW-40144, 40145 7/9/2013 Gr. Alpha 3.66 +/- 0.85 2.85 +/- 0.79 3.26 +/- 0.58 Pass DW-40146, 40147 7/9/2013 Ra-226 0.70 +/- 0.11 0.72 +/- 0.11 0.71 +/- 0.08 Pass DW-40146, 40147 7/9/2013 Ra-228 1.00 +/- 0.58 0.70 +/- 0.52 0.85 +/- 0.39 Pass VE-3818, 3819 7/9/2013 Be-7 0.41 +/- 0.11 0.46 +/- 0.18 0.43 +/- 0.11 Pass VE-3818, 3819 7/9/2013 K-40 4.67 +/- 0.30 4.52 +/- 0.43 4.60 +/- 0.26 Pass XW-4646, 4647 7/15/2013 H-3 465.00 +/- 111.00 525.00 +/- 114:00 495.00 +/- 79.56 Pass WW-4134, 4135 7/16/2013 H-3 315.86 +/- 123.54 264.98 +/- 121.78 290.42 +/- 86.73 Pass AP-4155, 4156 7/18/2013 Be-7 0.20 +/- 0.11 0.16 +/- 0.09 0.18 +/- 0.07 Pass MI-4218, 4219 7/22/2013 K-40 1426.80 +/- 117.50 1335.70 +/- 110.60 1381.25 +/- 80.68 Pass MI-4218, 4219 7/22/2013 Sr-90 0.62 +/- 0.32 0.67 +/- 0.32 0.65 +/- 0.23 Pass WW-4239, 4240 7/23/2013 H-3 223.71 +/- 92.64 221.74 +/- 92.56 222.73 +/- 65.48 Pass WW-4394, 4395 7/30/2013 Gr. Alpha 2.63 +/- 1.49 2.57 +/- 1.11 2.60 +/- 0.93 Pass WW-4394, 4395 7/30/2013 Gr. Beta 3.72 +/- 1.17 2.63 +/- 1.29 3.18 +/- 0.87 Pass WW-4394, 4395 7/30/2013 H-3 271.50 +/- 91.30 297.60 +/- 91.50 284.55 +/- 64.63 Pass SWU-4478, 4479 7/30/2013 Gr. Beta 2.07 +/- 0.54 2.24 +/- 0.55 2.16 +/- 0.39 Pass DW-40159, 40160 7/31/2013 Ra-226 3.39 +/- 0.63 2.39 +/- 0.45 2.89 +/- 0.39 Pass DW-40159, 40160 7/31/2013 Ra-228 3.29 +/- 0.73 2.94 +/- 0.68 3.12 +/- 0.50 Pass VE-4436, 4437 8/1/2013 Be-7 0.98 +/- 0.21 0.89 +/- 0.17 0.94 +/- 0.14 Pass VE-4436, 4437 8/1/2013 K-40 3.95 +/- 0.39 3.75 +/- 0.31 3.85 +/- 0.25 Pass G-4457, 4458 8/1/2013 Be-7 0.78 +/- 0.19 0.67 +/- 0.16 0.72 +/- 0.12 Pass G-4457, 4458 8/1/2013 Gr. Beta 6.15 +/- 0.14 6.10 +/- 0.14 6.13 +/- 0.10 Pass G-4457, 4458 8/1/2013 K-40 4.25 +/- 0.36 4.60 +/- 0.41 4.42 +/- 0.27 Pass VE-4520, 4521 8/1/2013 K-40 2.20 +/- 0.16 2.09 +/- 0.17 2.15 +/- 0.12 Pass WW-4772, 4773 8/6/2013 H-3 143.80 +/- 86.70 157.80 +/- 87.30 150.80 +/- 61.52 Pass A5-3

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance VE-4709, 4710 8/8/2013 Gr. Beta 31.40 +/- 1.00 30.70 +/- 1.00 31.05 +/- 0.71 Pass VE-4709, 4710 8/8/2013 H-3 1504.00 +/- 132.00 1468.00 +/- 131.00 1486.00 +/- 92.99 Pass VE-4709, 4710 8/8/2013 U-233/4 0.009 +/- 0.002 0.005 +/- 0.002 0.007 +/- 0.001 Pass VE-4709, 4710 8/8/2013 U-238 0.005 +/- 0.002 0.004 +/- 0.001 0.005 +/- 0.001 Pass WW-4562, 4563 8/8/2013 H-3 208.82 +/- 105.55 213.13 +/- 105.73 210.97 +/- 74.70 Pass SG-4651, 4652 8/13/2013 Gr. Alpha 29.00 +/- 3.10 28.80 +/- 3.20 28.90 +/- 2.23 Pass SG-4651, 4652 8/13/2013 Gr. Beta 34.10 +/- 1.80 34.00 +/- 1.80 34.O5 +/- 1.27 Pass SG-4651, 4652 8/13/2013 Ra-226 9.00 +/- 0.20 8.70 +/- 0.20 8.85 +/- 0.14 Pass VE-4835, 4836 8/13/2013 K-40 3.01 +/- 0.24 3.08 +/- 0.28 3.04 +/- 0.19 Pass WW-4877, 4878 8/14/2013 H-3 217.35 +/- 87.57 276.63 +/- 90.20 246.99 +/- 62.86 Pass LW-4856, 4857 8/15/2013 Gr. Beta 0.96 +/- 0.40 0.94 +/- 0.38 0.95 +/- 0.28 Pass W-4982, 4983 8/16/2013 H-3 757.43 +/- 112.40 767.56 +/- 112.76 762.50 +/- 79.60 Pass VE-4919, 4920 8/19/2013 K-40 4891.90 +/- 407.90 4907.40 +/- 350.40 4899.65 +/- 268.87 Pass VE-4919, 4920 8/19/2013 Be-7 470.50 +/- 159.60 325.10 +/- 104.10 397.80 +/- 95.27 Pass DW-40184, 40185 8/19/2013 Ra-228 2.35 +/- 0.72 2.53 +/- 0.70 2.44 +/- 0.50 Pass DW-40184, 40185 8/19/2013 Ra-228 1.44 +/- 0.35 2.30 +/- 0.56 1.87 +/- 0.33 Pass AP-5003, 5004 8/22/2013 Be-7 0.23 +/- 0.10 0.21 +/- 0.10 0.22 +/- 0.07 Pass LW-5229, 5230 8/29/2013 Gr. Beta 1.09 +/- 0.86 2.28 +/- 0.96 1.69 +/- 0.64 Pass SS-5333, 5334 9/3/2013 Cs-1 37 89.20 +/- 41.60 97.80 +/- 34.60 93.50 +/- 27.05 Pass SS-5333, 5334 9/3/2013 K-40 11893.00 +/- 681.30 12353.00 +/- 778.90 12123.00 +/- 517.41 Pass VE-5313, 5314 9/3/2013 K-40 1.84 +/- 0.20 1.85 +/- 0.20 1.85 +/- 0.14 Pass VE-5313, 5314 9/3/2013 Gr. Beta 2.38 +/- 0.04 2.43 +/- 0.04 2.41 +/- 0.03 Pass WW-5617, 5618 9/5/2013 H-3 1987.00 +/- 147.00 2094.00 +/- 150.00 2040.50 +/- 105.01 Pass AP-5355, 5356 9/512013 Be-7 0.22 +/- 0.12 0.27 +/- 0.14 0.25 +/- 0.09 Pass XW-5694, 5695 9/8/2013 C-14 0.94 +/- 0.09 0.78 +/- 0.10 0.86 +/- 0.07 Pass VE-5409, 5410 9/9/2013 K-40 3.60 +/- 0.26 3.33 +/- 0.29 3.46 +/- 0.19 Pass AP-5430, 5431 9/12/2013 Be-7 0.26 +/- 0.10 0.26 +/- 0.10 0.26 +/- 0.07 Pass MI-5401, 5402 9/12/2013 K-40 1404.60 +/- 114.10 1356.10 +/- 128.60 1380.35 +/- 85.96 Pass WW-5451, 5452 9/12/2013 H-3 196.66 +/- 84.44 200.78 +/- 84.64 198.72 +/- 59.78 Pass MI-5484, 5485 9/16/2013 K-40 1398.50 +/- 88.93 1364.60 +/- 113.30 1381.55 +/- 72.02 Pass WW-5568, 5569 9/17/2013 H-3 274.69 +/- 87.95 203.72 +/- 84.71 239.20 +/- 61.05 Pass BS-5764, 5765 9/20/2013 Cs-137 0.40 +/- 0.03 0.37 +/- 0.02 0.39 +/- 0.02 Pass BS-5764, 5765 9/20/2013 K-40 17.97 +/- 0.59 17.54 +/- 0.55 17.76 +/- 0.40 Pass VE-5638, 5639 9/23/2013 K-40 4.15 +/- 0.33 4.46 +/- 0.38 4.31 +/- 0.25 Pass WW-5596, 5597 9/23/2013 Gr. Beta 5.97 +/- 1.39 5.95 +/- 1.45 5.96 +/- 1.01 Pass G-5680, 5681 9/2512013 Be-7 0.36 +/- 0.13 0.35 +/- 0.09 0.35 +/- 0.08 Pass G-5680, 5681 9/25/2013 Gr. Beta 3.81 +/- 0.11 3.77 +/- 0.11 3.79 +/- 0.08 Pass G-5680, 5681 9/25/2013 K-40 3.23 +/- 0.32 2.99 +/- 0.24 3.11 +/- 0.20 Pass S-5659, 5660 9/26/2013 Ac-228 1.19 +/- 0.21 1.06 +/- 0.21 1.13 +/- 0.15 Pass S-5659, 5660 9/26/2013 Cs-137 0.13 +/- 0.04 0.14 +/- 0.05 0.14 +/- 0.03 Pass S-5659, 5660 9/26/2013 K-40 16.08 +/- 1.39 16.65 +/- 1.46 16.37 +/- 1.01 Pass S-5659, 5660 9/26/2013 Pb-214 0.97 +/- 0.15 1.10 +/- 0.16 1.04 +/- 0.11 Pass AP-6345, 6346 9/30/2013 Be-7 0.077 +/- 0.010 0.081 +/- 0.008 0.079 +/- 0.006 Pass AP-6366, 6367 9/30/2013 Be-7 0.078 +/- 0.012 0.083 +/- 0.014 0.081 +/- 0.009 Pass A5-4

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)8 Averaged Lab Code Date Analysis First Result Second Result Result Acceptance DW-5701, 5702 9/30/2013 Gr. Beta 14.48 +/- 2.04 13.32 +/- 1.84 13.90 +/- 1.37 Pass SG-5722, 5723 9/30/2013 Ra-226 12.41 +/- 0.47 11.98 +/- 0.59 12.20 +/- 0.38 Pass SG-5722, 5723 9/30/2013 Ra-228 7.84 +/- 0.71 8.13 +/- 0.97 7.99 +/- 0.60 Pass G-5806, 5807 10/1/2013 Be-7 3.26 +/- 0.30 3.11 +/- 0.13 3.19 +/- 0.16 Pass G-5806, 5807 10/1/2013 K-40 6.65 +/- 0.21 6.68 +/- 0.50 6.67 +/- 0.27 Pass SG-5827, 5828 10/1/2013 Ac-228 4.08 +/- 0.33 3.92 +/- 0.40 4.00 +/- 0.26 Pass SG-5827, 5828 10/1/2013 K-40 2.55 +/- 0.65 2.37 +/- 0.63 2.46 +/- 0.45 Pass SG-5827, 5828 10/1/2013 Pb-214 3.82 +/- 0.17 3.93 +/- 0.20 3.88 +/- 0.13 Pass VE-5848, 5849 10/1/2013 K-40 1.62 +/- 0.16 1.57 +/- 0.14 1.60 +/- 0.11 Pass AP-6408, 6409 10/3/2013 Be-7 0.072 +/- 0.015 0.063 +/- 0.012 0.068 +/- 0.010 Pass f-5954, 5955 10/3/2013 K-40 2.74 +/- 0.36 3.02 +/- 0.34 2.88 +/- 0.25 Pass P-6035, 6036 10/7/2013 H-3 198.41 +/- 85.00 288.60 +/- 89.15 243.51 +/- 61.59 Pass SG-6115, 6116 10/8/2013 Ac-228 5.22 +/- 0.50 4.87 +/- 0.48 5.05 +/- 0.35 Pass SG-6115, 6116 10/8/2013 K-40 5.61 +/- 1.08 6.61 +/- 1.04 6.11 +/- 0.75 Pass SG-6115, 6116 10/8/2013 Pb-214 4.29 +/- 0.24 4.24 +/- 0.20 4.27 +/- 0.16 Pass VE-6136, 6137 10/8/2013 Be-7 0.55 +/- 0.18 0.60 +/- 0.15 0.58 +/- 0.12 Pass VE-6136, 6137 10/8/2013 K-40 2.78 +/- 0.35 2.61 +/- 0.33 2.69 +/- 0.24 Pass WW-6198, 6199 10/8/2013 H-3 12973.70 +/- 332.60 12757.80 +/- 330.00 12865.75 +/- 234.27 Pass VE-6240, 6241 10/9/2013 K-40 14.29 +/- 0.29 14.95 +/- 0.54 14.62 +/- 0.31 Pass W-5996, 5997 10/9/2013 Gr. Alpha 3.87 +/- 1.18 4.07 +/- 1.08 3.97 +/- 0.80 Pass W-5996, 5997 10/9/2013 Gr. Beta 9.82 +/- 0.85 8.53 +/- 0.82 9.18 +/- 0.59 Pass W-5996, 5997 10/912013 Ra-228 3.42 +/- 1.02 3.39 +/- 1.01 3.41 +/- 0.72 Pass DW-40224, 40225 10/11/2013 Ra-226 0.62 +/- 0.10 0.76 +/- 0.10 0.69 +/- 0.07 Pass DW-40224, 40225 10/11/2013 Ra-228 0.87 +/- 0.55 1.00 +/- 0.54 0.94 +/- 0.39 Pass WW-6219, 6220 10/11/2013 H-3 455.41 +/- 111.54 354.66 +/- 107.84 405.03 +/- 77.57 Pass CF-6261, 6262 10/14/2013 Be-7 1.97 +/- 0.24 2.06 +/- 0.22 2.01 +/- 0.16 Pass CF-6261, 6262 10/14/2013 K-40 11.55 +/- 0.56 12.06 +/- 0.61 11.80 +/- 0.41 Pass MI-6303, 6304 10/14/2013 K-40 1507.30 +/- 110.80 1482.40 +/- 110.00 1494.85 +/- 78.07 Pass VE-6534, 6535 10/17/2013 K-40 15.96 +/- 0.17 16.16 +/- 0.36 16.06 +/- 0.20 Pass S-6471,6472 10/1812013 Ac-228 0.94 +/- 0.19 0.78 +/- 0.18 0.86 +/- 0.13 Pass S-6471, 6472 10/18/2013 K-40 12.82 +/- 1.05 12.90 +/- 1.17 12.86 +/- 0.79 Pass S-6471,6472 10/18/2013 Pb-214 0.88 +/- 0.11 0.72 +/- 0.12 0.80 +/- 0.08 Pass VE-6597, 6598 10/22/2013 K-40 2.46 +/- 0.22 2.58 +/- 0.20 2.52 +/- 0.15 Pass WW-6576, 6577 10/22/2013 H-3 745.60 +/- 110.70 663.30 +/- 107.60 704.45 +/- 77.19 Pass LW-6681, 6682 10/29/2013 Gr. Beta 2.00 +/- 0.92 2.17 +/- 0.98 2.09 +/- 0.67 Pass SWU-6765, 6766 10/29/2013 Gr. Beta 3.07 +/- 0.61 2.90 +/- 0.65 2.99 +/- 0.45 Pass WW-6849, 6850 10/29/2013 H-3 863.00 +/- 113.80 826.60 +/- 112M50 844.80 +/- 80.01 Pass MI-6786, 6787 10/30/2013 K-40 1370.60 +/- 109.60 1449.20 +/- 105.50 1409.90 +/- 76.06 Pass SO-6744, 6745 10/30/2013 Ac-228 0.46 +/- 0.11 0.51 +/- 0.11 0.48 +/- 0.08 Pass SO-6744, 6745 10/30/2013 Bi-214 0.48 +/- 0.10. 0.30 +/- 0.10 0.39 +/- 0.07 Pass SO-6744, 6745 10/30/2013 Cs-137 0.21 +/- 0.04 0.24 +/- 0.04 0.23 +/- 0.03 Pass SO-6744, 6745 10/30/2013 Gr. Beta 27.40 +/- 1.14 27.44 +/- 1.11 27.42 +/- 0.80 Pass SO-6744, 6745 10/30/2013 K-40 14.93 +/- 0.88 15.20 +/- 0.90 15.07 +/- 0.63 Pass SO-6744, 6745 10/30/2013 Pb-212 0.43 +/- 0.04 0.40 +/- 0.05 0.42 +/- 0.03 Pass SO-6744, 6745 10/30/2013 Ra-226 1.47 +/- 0.35 1.31 +/- 0.36 1.39 +/- 0.25 Pass SO-6744, 6745 10/30/2013 TI-208 0.16 +/- 0.04 0.16 +/- 0.04 0.16 +/- 0.03 Pass A5-5

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance DW-40238, 40239 10/31/2013 Ra-228 0.94 +/- 0.41 1.60 +/- 0.55 1.27 +/- 0.34 Pass WW-7018, 7019 11/1/2013 H-3 593.09 +/- 104.72 648.69 +/- 106.89 620.89 +/- 74.82 Pass CF-6870, 6871 11/4/2013 K-40 12.67 +/- 0.49 13.30 +/- 0.47 12.98 +/- 0.34 Pass XW-6828, 6829 11/4/2013 K-40 97.99 +/- 55.33 160.21 +/- 74.99 129.10 +/- 46.60 Pass BS-6891, 6892 11/5/2013 Cs-1 37 0.018 +/- 0.010 0.018 +/- 0.009 0.018 +/- 0.007 Pass BS-6891, 6892 11/5/2013 Gr. Beta 12.41 +/- 1.74 9.97 +/- 1.57 11.19 +/- 1.17 Pass BS-6891, 6892 11/5/2013 K-40 6.49 +/- 0.33 6.28 +/- 0.40 6.39 +/- 0.26 Pass WW-6912, 6913 11/5/2013 Gr. Alpha 2.87 +/- 1.30 4.46 +/- 1.47 3.67 +/- 0.98 Pass WW-6912, 6913 11/5/2013 Gr. Beta 3.18 +/- 0.87 3.18 +/- 0.87 3.18 +/- 0.62 Pass WW-6912, 6913 11/5/2013 H-3 349.01 +/- 101.42 430.14 +/- 98.06 389.58 +/- 70.54 Pass SO-6954, 6955 11/6/2013 Cs-137 0.14 +/- 0.03 0.12 +/- 0.02 0.13 +/- 0.02 Pass SO-6954, 6955 11/6/2013 K-40 15.16 +/- 0.72 14.11 +/- 0.64 14.64 +/- 0.48 Pass S-6976, 6977 11/13/2013 K-40 22.36 +/- 0.69 22.62 +/- 0.72 22.49 +/- 0.50 Pass DW-40246, 40247 11/15/2013 Gr. Alpha 15.00 +/- 3.41 20.31 +/- 4.00 17.65 +/- 2.63 Pass CF-7102, 7103 11/18/2013 Be-7 17.79 +/- 0.51 18.09 +/- 0.80 17.94 +/- 0.48 Pass DW-40250, 40251 11/18/2013 Ra-226 27.77 +/- 2.84 26.15 +/- 2.67 26.96 +/- 1.95 Pass DW-40250, 40251 11/18/2013 Ra-228 7.91 +/- 0.94 6.32 +/- 0.84 7.12 +/- 0.63 Pass WW-7164, 7165 11/19/2013 H-3 266.90 +/- 91.10 268.90 +/- 91.20 267.90 +/- 64.45 Pass SS-7334, 7335 11/20/2013 K-40 15.51 +/- 0.72 14.14 +/- 0.80 14.83 +/- 0.54 Pass WW-7558, 7559 11/22/2013 H-3 229.86 +/- 83.89 191.77 +/- 82.05 210.82 +/- 58.67 Pass LW-7292, 7293 11/26/2013 Gr. Beta 1.92 +/- 0.75 2.38 +/- 0.77 2.15 +/- 0.54 Pass W-7229, 7230 12/1/2013 Ra-226 0.87 +/- 0.23 0.88 +/- 0.25 0.88 +/- 0.17 Pass W-7229, 7230 12/1/2013 Ra-228 3.00 +/- 0.98 3.27 +/- 1.16 3.14 +/- 0.76 Pass SG-7313, 7314 12/2/2013 Ac-228 6.33 +/- 0.23 6.69 +/- 0.30 6.51 +/- 0.19 Pass SG-7313, 7314 12/2/2013 K-40 5.47 +/- 0.61 6.24 +/- 0.74 5.86 +/- 0.48 Pass SG-7313, 7314 12/2/2013 Pb-214 5.60 +/- 0.14 5.37 +/- 0.16 5.49 +/- 0.11 Pass W-7432, 7433 12/4/2013 Gr. Beta 5.35 +/- 1.20 3.89 +/- 1.23 4.62 +/- 0.86 Pass WW-7516, 7517 12/10/2013 H-3 369.30 +/- 95.64 269.22 +/- 91.35 319.26 +/- 66.13 Pass SG-7579, 7580 12/20/2013 Ra-226 3.72 +/- 0.11 3.85 +/- 0.30 3.79 +/- 0.16 Pass SG-7579, 7580 12/20/2013 Ra-228 2.38 +/- 0.18 2.77 +/- 0.44 2.58 +/- 0.24 Pass LW-7684, 7685 12/23/2013 Gr. Beta 0.84 +/- 0.51 1.96 +/- 0.61 1.40 +/- 0.40 Pass DW-40261, 40262 12/27/2013 Ra-226 0.54 +/- 0.10 0.67 +/- 0.10 0.61 +/- 0.07 Pass DW-40261, 40262 12/27/2013 Ra-228 1.09 +/- 0.51 1.12 +/- 0.43 1.11 + 0.33 Pass SWU-7663, 7664 12/30/2013 Gr. Beta 2.85 +/- 0.71 3.88 +/- 0.77 3.37 +/- 0.52 Pass Note: Duplicate analyses are performed on every twentieth sample received in-house. Results are not listed for those analyses with activities that measure below the LLD.

Results are reported in units of pCi/L, except for air filters (pCi/Filter), food products, vegetation, soil, sediment (pCi/g).

A5-6

TABLE A-6. Department of Energy's Mixed Analyte Performance Evaluation Program (MAPEP).

Concentration a Known Control Lab Code b Date Analysis Laboratory result Activity Limits C Acceptance MAAP-738 02/01/13 Am-241 0.10 +/- 0.02 0.10 0.07 -0.14 Pass MAAP-738 02/01/13 Co-57 2.58 +/- 0.06 2.36 1.65 - 3.07 Pass MAAP-738 02/01/13 Co-60 0.01 +/- 0.03 0.00 NA c Pass MAAP-738 02/01/13 Cs-1 34 1.82 +/- 0.13 1.78 1.25 - 2.31 Pass MAAP-738 02/01/13 Cs-1 37 2.93 +/- 0.10 2.60 1.82 - 3.38 Pass MAAP-738 02/01/13 Mn-54 4.87 +/- 0.13 4.26 2.98 - 5.54 Pass MAAP-738 02/01/13 Pu-238 0.12 +/- 0.02 0.13 0.09 -0.17 Pass MAAP-738 02/01/13 Pu-239/40 0.11 +/- 0.02 0.12 0.09 -0.16 Pass MAAP-738 02/01/13 Sr-90 1.39 +/- 0.14 1.49 1.04 -1.94 Pass MAAP-738 02/01/13 U-233/4 0.03 +/- 0.01 0.03 0.02 -0.04 Pass MAAP-738 02/01/13 U-238 0.23 +/- 0.03 0.23 0.16 -0.30 Pass MAAP-738 02/01/13 Zn-65 3.84 +/- 0.20 3.13 2.19 -4.07 Pass MAAP-738 e 02/01/13 Gr. Alpha 0.14 +/- 0.03 1.20 0.36 - 2.04 Fail MAAP-738 02/01/13 Gr. Beta 0.93 +/- 0.06 0.85 0.43 -1.28 Pass MAW-806 02/01/13 Am-241 0.71 +/- 0.08 0.69 0.48 - 0.90 Pass MAW-806 02/01/13 Co-57 31.20 +/- 0.40 30.90 21.60 -40.20 Pass MAW-806 02/01/13 Co-60 19.70 +/- 0.30 16.56 13.69 - 25.43 Pass MAW-806 02/01/13 Cs-134 23.20 +/- 0.50 24.40 17.10 - 31.70 Pass MAW-806 02/01/13 Cs-1 37 0.03 +/- 0.12 0.00 NAc Pass MAW-806 02/01/13 Fe-55 34.00 +/- 3.30 44.00 30.80 - 57.20 Pass MAW-806 02/01/13 H-3 511.60 +/- 12.50 507.00 355.00 - 659.00 Pass MAW-806 02/01/13 K-40 2.20 +/- 0.90 0.00 NA c Pass MAW-806 02/01/13 Mn-54 27.60 +/- 0.50 27.40 19.20 - 35.60 Pass MAW-806 02/01/13 Ni-63 34.30 +/- 2.80 33.40 23.40 -43.40 Pass MAW-806 02/01/13 Pu-238 0.83 +/- 0.10 0.88 0.62 -1.15 Pass MAW-806 02/01/13 Pu-239/40 0.02 +/- 0.02 0.01 NA d Pass MAW-806 02/01/13 Sr-90 9.30 +/- 0.80 10.50 7.40 - 13.70 Pass MAW-806 02/01/13 Tc-99 10.25 +/- 0.40 13.10 9.20 - 17.00 Pass MAW-806 02/01/13 U-233/4 0.31 +/- 0.05 0.32 0.22 - 0.41 Pass MAW-806 02/01/13 U-238 1.91 +/-0.13 1.95 1.37 -2.54 Pass MAW-806 02/01/13 Zn-65 31.60 +/- 0.80 30.40 21.30 -39.50 Pass MAW-811 02/01/13 Gr. Alpha 1.87 +/- 0.09 2.31 0.69 - 3.93 Pass MAW-811 02/01/13 Gr. Beta 13.04 +/- 0.13 13.00 6.50 - 19.50 Pass MAW-811 02/01/13 1-129 4.60 +/- 0.19 6.06 4.24 - 7.88 Pass A6-1

TABLE A-6. Department of Energy's Mixed Analyte Performance Evaluation Program (MAPEP).

a Concentration Known Control Lab Code Date Analysis Laboratory result Activity Limits c Acceptance MASO-739 02/01/13 Am-241 106.90 +/- 11.40 113.00 79.00 -147.00 Pass MASO-739 02/01/13 Co-57 0.60 +/- 0.50 0.00 NA c Pass MASO-739 02/01/13 Co-60 739.20 +/- 28.50 691.00 484.00 -898.00 Pass MASO-739 02/01/13 Cs-1 34 863.30 +/- 34.10 887.00 621.00 -1153.00 Pass MASO-739 02/01/13 Cs-1 37 661.80 +/- 25.70 587.00 411.00 -763.00 Pass MASO-739 02/01/13 K-40 745.80 +/- 33.30 625.30 437.70 -812.90 Pass MASO-739 02/01/13 Mn-54 1.10 +/- 1.00 0.00 NA c Pass MASO-739 02/01/13 Zn-65 1109.60 +/- 44.10 995.00 697.00 -1294.00 Pass MASO-744 02/01/13 Ni-63 682.60 +/- 16.80 670.00 469.00 -871.00 Pass MASO-744 02/01/13 Pu-238 0.20 +/- 0.90 0.52 NA d Pass MASO-744 02/01/13 Pu-239/40 88.30 +/- 9.00 79.50 55.70 -103.40 Pass MASO-744 02/01/13 Sr-90 408.40 +/- 14.00 628.00 440.00 -816.00 Fail MASO-744 02/01/13 Tc-99 380.50 +/- 16.80 444.00 311.00 -577.00 Pass MASO-744 02/01/13 U-233/4 53.20 +/- 4.80 62.50 43.80 -81.30 Pass MASO-744 02/01/13 U-238 242.10 +/- 10.20 281.00 197.00 -365.00 Pass MAVE-747 02/01/13 Co-57 10.37 +/- 0.17 8.68 6.08-11.28 Pass MAVE-747 02/01/13 Co-60 6.48 +/- 0.17 5.85 4.10 -7.61 Pass MAVE-747 02/01/13 Cs-1 34 0.02 +/- 0.04 0.00 NA c Pass MAVE-747 02/01/13 Cs-1 37 7.79 +/- 0.21 6.87 4.81 - 8.93 Pass MAVE-747 02/01/13 Mn-54 0.00 +/- 0.05 0.00 NA c Pass MAVE-747 02/01/13 Zn-65 7.29 +/- 0.33 6.25 4.38 -8.13 Pass MASO-5043 08/01/13 Am-241 1.40 +/- 1.70 0.00 NA c Pass MASO-5043 g 08/01/13 Co-57 699.60 +/- 3.90 0.00 NA c Fail MASO-5043 08/01/13 Cs-1 34 1191.70 +/- 23.00 1172.00 820.00 -1524.00 Pass MASO-5043 08/01/13 Cs-1 37 1072.00 +/- 5.10 977.00 684.00 -1270.00 Pass MASO-5043 08/01/13 K-40 760.00 +/- 16.20 633.00 443.00 -823.00 Pass MASO-5043 08/01/13 Mn-54 753.80 +/- 4.90 674.00 472.00 -876.00 Pass MASO-5043 08/01/13 Ni-63 560.00 +/- 23.70 571.00 400.00 -742.00 Pass MASO-5043 08/01/13 Pu-238 68.40 +/- 7.50 61.50 43.10 - 80.00 Pass MASO-5043 08/01/13 Pu-239/40 0.40 +/- 0.80 0.36 NA d Pass MASO-5043 08/01/13 Sr-90 383.90 +/- 14.50 460.00 322.00 -598.00 Pass MASO-5043 08/01/13 Tc-99 -1.00 +/- 10.50 0.00 NA c Pass MASO-5043 08/01/13 U-233/4 23.80 +/- 3.30 30.00 21.00 -39.00 Pass MASO-5043 08/01/13 U-238 26.80 +/- 3.50 34.00 23.80 -44.20 Pass MASO-5043 08/01/13 Zn-65 -351.50 +/- 5.50 0.00 NA c Pass A6-2

TABLE A-6. Department of Energy's Mixed Analyte Performance Evaluation Program (MAPEP).

Concentration a Known Control Lab Code b Date Analysis Laboratory result Activity Limits c Acceptance MAW-5052 08/01/13 1-129* 2.75 + 0.20 3.79 2.65 -4.93 Pass MAW-5094 08/01/13 Am-241 0.00

• 0.01 0.00 NA c Pass MAW-5094 08/01/13 Co-57 0.01 +/- 0.09 0.00 NA c Pass MAW-5094 08/01/13 Co-60 23.20 +/- 0.32 23.58 16.51 -30.65 Pass MAW-5094 08/01/13 Cs-134 27.60 +/- 0.58 30.40 21.00 - 39.00 Pass MAW-5094 08/01/13 Cs-137 32.31 +/-0.52 31.60 22.10 -41.10 Pass MAW-5094 08/01/13 Fe-55 39.20 +/- 3.50 53.30 37.30 -69.30 Pass MAW-5094 08/01/13 Gr. Alpha 0.54 +/- 0.05 0.70 0.21 -1.19 Pass MAW-5094 08/01/13 Gr. Beta 5.85 +/- 0.09 5.94 2.97 -8.91 Pass MAW-5094 08/01/13 H-3 1.20 +/- 3.00 0.00 NA c Pass MAW-5094 08/01/13 K-40 2.22 +/- 0.90 0.00 NA c Pass MAW-5094 08/01/13 Mn-54 0.01 +/- 0.11 0.00 NA c Pass MAW-5094 08/01/13 Ni-63 21.80 +/- 3.30 .26.40 18.50 - 34.30 Pass MAW-5094 08/01/13 Pu-238 1.30 +/- 0.11 1.22 0.85-1.58 Pass MAW-5094 08/01/13 Pu-239/40 0.98 +/- 0.09 1.00 0.70-1.30 Pass MAW-5094 08/01/13 Sr-90 6.40 +/- 0.60 7.22 5.05 -9.39 Pass MAW-5094 08/01/13 Tc-99 13.10 +/- 0.70 16.20 11.30 - 21.10 Pass MAW-5094 08/01/13 U-233/4 0.08 +/- 0.02 0.07 NA d Pass MAW-5094 08/01/13 U-238 0.03 +/- 0.01 0.03 NA d Pass MAW-5094 08/01/13 Zn-65 35.30 +/- 0.90 34.60 24.20 - 45.00 Pass MAVE-5046 08/01/13 Co-57 0.01 +/- 0.03 0.00 NA c Pass MAVE-5046 08/01/13 Co-60 0.00 +/- 0.04 0.00 NA c Pass MAVE-5046 08/01/13 Cs-1 34 5.71 +/- 0.23 5.20 3.64 -6.76 Pass MAVE-5046 08/01/13 Cs-1 37 7.64 +/- 0.20 6.60 4.62 -8.58 Pass MAVE-5046 08/01/13 Mn-54 9.08 +/- 0.24 7.88 5.52 - 10.24 Pass MAVE-5046 08/01/13 Zn-65 2.92 +/- 0.25 2.63 1.84 - 3.42 Pass A6-3

TABLE A-6. Department of Energy's Mixed Analyte Performance Evaluation Program (MAPEP).

Concentration a Known Control Lab Code b Date Analysis Laboratory result Activity Limits c Acceptance MAAP-5046 08/01/13 Am-241 0.01 +/- 0.02 0.00 NA c Pass MAAP-5046 08/01/13 Co-57 3.48 +/- 0.14 3.40 1.90 -3.50 Pass MAAP-5046 08/01/13 Co-60 2.44 +/- 0.08 3.40 1.60 -3.00 Pass MAAP-5046 08/01/13 Cs-1 34 0.01 +/- 0.03 0.00 NA c Pass MAAP-5046 08/01/13 Cs-137 3.09 +/- 0.13 2.70 1.90 -3.50 Pass MAAP-5046 08/01/13 Gr. Alpha 0.28 +/- 0.04 0.90 0.27 - 1.53 Pass MAAP-5046 08/01/13 Gr. Beta 1.90 +/- 0.08 1.63 0.82 -2.45 Pass MAAP-5046 08/01/13 Mn-54 3.95 +/-0.12 3.50 2.50 -4.60 Pass MAAP-5046 08/01/13 Pu-238 0.14 +/- 0.028 0.12 0.087 -0.16 Pass MAAP-5046 08/01/13 Pu-239/40 0.10 +/- 0.022 0.092 0.064 -0.12 Pass MAAP-5046 08/01/13 Sr-90 1.69 +/- 4.10 1.81 1.27 -2.35 Pass MAAP-5046 h 08/01/13 U-233/4 0.04 +/- 0.01 0.03 0.02 -0.04 Fail MAAP-5046 08/01/13 U-238 0.19 +/- 0.027 0.21 0.14 -0.27 Pass MAAP-5046 08/01/13 Zn-65 3.27 +/- 0.18 2.70 2.50 -4.60 Pass a Results are reported in units of Bq/kg (soil), Bq/L (water) or Bq/total sample (filters, vegetation).

b Laboratory codes as follows: MAW (water), MAAP (air filter), MASO (soil), MAVE (vegetation).

'MAPEP results are presented as the known values and expected laboratory precision (1 sigma, 1 determination) and control limits as defined by the MAPEP. A known value of "zero" indicates an analysis was included in the testing series as a "false positive". MAPEP does not provide control limits.

d Provided in the series for "sensitivity evaluation". MAPEP does not provide control limits.

' The filter was recounted ovemight, no significant alpha activity could be detected.

fThe sample was reanalyzed using additional fuming nitric separations. Result of reanalysis: 574.4 +/- 35.2 Bq/kg.

g Interference from Eu-1 52 resulted in misidentification of Co-57.

h Result of repeat analysis: 0.031 +/- 0.013 pCi/filter.

A6-4

TABLE A-7. Interlaboratory Comparison Crosscheck program, Environmental Resource Associates (ERA)a.

Concentration (pCi/L) b Lab Code b Date Analysis Laboratory ERA Control Result r Result d Limits Acceptance ERAP-1 174 03/18/13 Am-241 65.2 +/- 4.4 66.8 41.2-90.4 Pass ERAP-1 174 03/18/13 Co-60 226.5 +/- 4.1 214.0 166.0 - 267.0 Pass ERAP-1 174 03/18/13 Cs-1 34 1101.2 +/- 23.6 1110.0 706.0 - 1380.0 Pass ERAP-1 174 03/18/13 Cs-1 37 1065.6 +/- 21.4 940.0 706.0 - 1230.0 Pass ERAP-1 174 03/18/13 Fe-55 178.8 +/- 88.0 225.0 69.8 -440.0 Pass ERAP-1 174 03/18/13 Mn-54 <3.1 0.0 0.0 - 50.0 Pass ERAP-1l174 03/18/13 Pu-238 50.0 +/- 3.0 51.1 34.3 - 65.9 Pass ERAP-1 174 03/18/13 Pu-239/40 65.7 +/- 2.6 65.2 47.2 - 85.2 Pass ERAP-1 174 03/18/13 U-233/4 54.0 +/- 2.5 59.4 36.8 - 89.6 Pass ERAP-1 174 03/18/13 U-238 55.6 +/- 2.6 58.9 38.1 -81.4 Pass ERAP-1174 03/18/13 Uranium 112.0 +/-5.6 121.0 67.0 - 184.0 Pass ERAP-1 174 03/18/13 Zn-65 236.6 +/- 13.8 199.0 142.0 - 275.0 Pass ERAP-1 175 03/18/13 Gr. Alpha 52.3 +/- 2.8 42.3 14.2 -65.7 Pass ERAP-1 175 03/18/13 Gr. Beta 36.2 +/- 2.0 25.1 15.9 -36.6 Pass ERSO-1 176 03/18/13 Am-241 293.1 +/- 97.4 229.0 134.0 - 297.0 Pass ERSO-1 176 03/18/13 Pu-238 909.0 +/- 180.0 788.0 474.0 - 1090.0 Pass ERSO-1176 03/18/13 Pu-239/40 432.0 +/- 120.0 366.0 239.0 - 506.0 Pass ERSO-1 176 03/18/13 Sr-90 8050.8 +/- 376.0 8530.0 3250.0 - 13500.0 Pass ERSO-1 176 03/18/13 U-233/4 1662.6 +/- 150.0 1920.0 1170.0 - 2460.0 Pass ERSO-1 176 03/18/13 U-238 1682.8 +/- 160.0 1900.0 1180.0 - 2410.0 Pass ERSO-1176 03/18/13 Uranium 3404.0 +/- 330.5 3920.0 2130.0 - 5170.0 Pass ERSO-1176 03/18/13 Ac-228 1335.0 +/- 132.0 1240.0 795.0 - 1720.0 Pass ERSO-1 176 03/18/13 Bi-212 1420.0 +/- 311.0 1240.0 330.0 - 1820.0 Pass ERSO-1 176 03/18/13 Bi-214 2626.0 +/- 60.0 3660.0 2200.0 - 5270.0 Pass ERSO-1 176 03/18/13 Co-60 7951.0 +/- 45.4 7920.0 5360.0 - 10900.0 Pass ERSO-1 176 03/18/13 Cs-1 34 5785.0 +/- 51.0 6370.0 4160.0 - 7650.0 Pass ERSO-1 176 03/18/13 Cs-1 37 6106.0 +/- 47.9 6120.0 4690.0 - 7870.0 Pass ERSO-1 176 03/18/13 K-40 11756.0 +/- 284.3 10300.0 7520.0 - 13800.0 Pass ERSO-1 176 03/18/13 Mn-54 < 28.0 0.0 0.0 - 1000.0 Pass ERSO-1 176 03/18/13 Pb-212 1096.0 +/- 29.1 1240.0 812.0 - 1730.0 Pass ERSO-1 176 03/18/13 Pb-214 2875.0 +/- 60.0 3660.0 2140.0 - 5460.0 Pass ERSO-1 176 03/18/13 Th-234 2404.0 +/- 218.3 1900.0 601.0 -3570.0 Pass ERSO-1 176 03/18/13 Zn-65 1542.0 +/- 56.4 1400.0 1110.0 - 1860.0 Pass A7-1

TABLE A-7. Interlaboratory Comparison Crosscheck program, Environmental Resource Associates (ERA)".

Concentration (pCi/L) b Lab Code b Date Analysis Laboratory ERA Control Result C Result d Limits Acceptance ERVE-1180 03/18/13 Am-241 569.8 +/- 81.7 553.0 338.0 - 735.0 Pass ERVE-1 180 03/18/13 Cm-244 1260.9 +/- 107.3 1340.0 657.0 -2090.0 Pass ERVE-1 180 03/18/13 Co-60 2130.5 +/- 48.0 1920.0 1320.0 -2680.0 Pass ERVE-1 180 03/18/13 Cs-1 34 1296.5 t 68.0 1240.0 797.0 -1610.0 Pass ERVE-1 180 03/18/13 Cs-1 37 600.1 +/- 34.3 544.0 394.0 - 757.0 Pass ERVE-1 180 03/18/13 K-40 34078.0 +/- 787.0 31900.0 23000.0 - 44800.0 Pass ERVE-1 180 03/18/13 Mn-54 < 28.7 0.0 0.0 -300.0 Pass ERVE-1 180 03/18/13 Pu-238 2476.5 +/- 259.4 1980.0 1180.0 -2710.0 Pass ERVE-1 180 03/18/13 Pu-239/40 2659.3 +/- 273.2 2260.0 1390.0 - 3110.0 Pass ERVE-1 180 03/18/13 Sr-90 3809.7 +/- 420.5 3840.0 2190.0 -5090.0 Pass ERVE-1 180 03/18/13 U-233/4 2460.6 +/- 205.0 2460.0 1620.0 -3160.0 Pass ERVE-1 180 03/18/13 U-238 2319.1 +/- 189.6 2440.0 1630.0 -3100.0 Pass ERVE-1 180 03/18/13 Uranium 4866.3 +/- 375.6 5010.0 3390.0 - 6230.0 Pass ERVE-1 180 03/18/13 Zn-65 1052.5 +/- 82.1 878.0 633.0 - 1230.0 Pass ERW-1184 03/18/13 Am-241 114.5 +/-8.1 118.0 79.5 -158.0 Pass ERW-1184 03/18/13 Co-60 2221.8 +/- 17.0 2270.0 1970.0 - 2660.0 Pass ERW-1184 03/18/13 Cs-1 34 1309.4 +/- 58.4 1400.0 1030.0 -1610.0 Pass ERW-1184 03/18/13 Cs-137 1865.9 +/- 22.0 1880.0 1600.0 -2250.0 Pass ERW-1184 03/18/13 Fe-55 503.1 +/- 105.0 712.0 424.0 - 966.0 Pass ERW-1184 03/18/13 Mn-54 < 9.4 0.0 0.0 - 100.0 Pass ERW-1184 03/18/13 Pu-238 98.4 +/- 5.6 98.8 73.1 -123.0 Pass ERW-1 184 03/18/13 Pu-239/40 184.5 +/- 7.7 185.0 144.0 -233.0 Pass ERW-1184 03/18/13 Sr-90 125.7 +/-6.0 137.0 89.2 -181.0 Pass ERW-1184 03/18/13 U-233/4 44.9 +/- 3.4 48.8 36.7 -62.9 Pass ERW-1184 03/18/13 U-238 46.5 +/- 3.5 48.4 36.9 - 59.4 Pass ERW-1184 03/18/13 Uranium 93.3 +/- 7.1 99.5 73.1 -129.0 Pass ERW-1184 03/18/13 Zn-65 412.8 +/- 32.0 384.0 320.0 -484.0 Pass ERW-1186 03/18/13 Gr. Alpha 109.1 +/- 5.7 130.0 46.2 -201.0 Pass ERW-1 186 03/18/13 Gr. Beta 74.5 +/- 6.4 78.9 45.2 -117.0 Pass ERW-1188 03/18/13 H-3 12279.0 +/- 319.0 12300.0 8240.0 - 17500.0 Pass a Results obtained by Environmental, Inc., Midwest Laboratory as a participant in the crosscheck program for proficiency testing administered by Environmental Resources Associates, serving as a replacement for studies conducted previously by the Environmental Measurements Laboratory Quality Assessment Program (EML).

b Laboratory codes as follows: ERW (water), ERAP (air filter), ERSO (soil), ERVE (vegetation). Results are reported in units of pCi/L, except for air filters (pCi/Filter), vegetation and soil (pCi/kg).

c Unless otherwise indicated, the laboratory result is given as the mean +/- standard deviation for three determinations.

d Results are presented as the known values, expected laboratory precision (1 sigma, 1 determination) and control limits as provided by ERA. A known value of "zero" indicates an analysis was included in the testing series as a "false positive". Control limits are not provided.

A7-2

APPENDIX B. DATA REPORTING CONVENTIONS Data Reporting Conventions 1.0. All activities, except gross alpha and gross beta, are decay corrected to collection time or the end of the collection period.

2.0. Single Measurements Each single measurement is reported as follows: x+/-s where: x = value of the measurement; s = 2a counting uncertainty (corresponding to the 95% confidence level).

In cases where the activity is less than the lower limit of detection L, it is reported as: < L, where L = the lower limit of detection based on 4.66cy uncertainty for a background sample.

3.0. Duplicate analyses If duplicate analyses are reported, the convention is as follows.

3.1 Individual results: For two analysis results; x1 +/- s, and x2 +/- s2 Reported result: x +/- s; where x = (1/2) (x1 + x2 ) and s = (1/2) S+ S2 3.2. Individual results: < L1 , < L2 Reported result: < L, where L = lower of L1 and L2 3.3. Individual results: x +/- s, < L Reported result: x +/- s if x > L; < L otherwise.

4.0. Computation of Averages and Standard Deviations 4.1 Averages and standard deviations listed in the tables are computed from all of the individual measurements over the period averaged; for example, an annual standard deviation would not be the average of quarterly standard deviations. The average x and standard deviation "s" of a set of n numbers xi, x2 ... xn are defined as follows:

2

-s 1Yx- x x n I-x = n-4.2 Values below the highest lower limit of detection are not included in the average.

4.3 If all values in the averaging group are less than the highest LLD, the highest LLD is reported.

4.4 If all but one of the values are less than the highest LLD, the single value x and associated two sigma error is reported.

4.5 In rounding off, the following rules are followed:

4.5.1. If the number following those to be retained is less than 5, the number is dropped, and the retained numbers are kept unchanged. As an example, 11.443 is rounded off to 11.44.

4.5.2. If the number following those to be retained is equal to or greater than 5, the number is dropped and the last retained number is raised by 1. As an example, 11.445 is rounded off to 11.45.

B-1

APPENDIX C Table C-1. Maximum permissible concentrations of radioactivity in air and water above natural background a

in unrestricted area S Air (pCi/m3) Water (pCi/L)

-3 Gross alpha 1 x 10 Strontium-89 8,000 Gross betab 1 -1 Strontium-90 500 Iodine-131 2.8 x 10 Cesium-137 1,000 Barium-140 8,000 lodine-131 1,000 Potassium-40 4,000 Gross alpha 2 Gross beta 10 Tritium 1 x 10 6 a

Taken from Table 2 of Appendix B to Code of Federal Regulations Title 10, Part 20, and appropriate footnotes.

Concentrations may be averaged over a period not greater than one year.

b Value adjusted by a factor of 700 to reduce the dose resulting from the air-grass-cow-milk-child pathway.

C A natural radionuclide.

C-1

APPENDIX D

SUMMARY

OF THE LAND USE CENSUS D-1

Appendix D Summary of the 2012 Land Use Census The Duane Arnold Energy Land Use Census for 2013 was completed during August and September of 2013. All residences, milk animals and gardens greater than 500 square feet were identified within three miles for each of the 16 meteorological sectors. If none were identified within the three mile range, additional surveys were performed out to a distance of five miles.

There were 149 vegetable gardens identified during the performance of the 2013 Census. This number is more than the number of gardens found in the 2011 survey by 9. The distance to the nearest vegetation receptor did not change.

There was one new goat herd observed at 2940 meters towards the east. There were no observed changes in milk cow locations.

There were no changes to the location of the nearest resident in any sectors.

No new drinking water wells were identified within a two mile radius of the site.

The Cedar River was surveyed by boat on October 10th of 2013 for water use downstream of the DAEC to Cedar Rapids. This survey identified no new usages of river water from previous surveys. Recreational fishing is the only identified food pathway use of Cedar River water between the DAEC and the City of Cedar Rapids eight miles down-river.

In accordance with the DAEC's Environmental Sampling Procedure ESP 4.4, "Land Use Census", no changes in land use were identified that would adversely affect the safe operation of the DAEC, or that would warrant an update of the DAEC Updated Final Safety Analysis Report (UFSAR). Examples of land use that would warrant an UFSAR update include new hazards near the DAEC such as new gas pipelines or new installations utilizing toxic gases.

D-2

NextEra Energy Resources, Duane Arnold has committed to compliance with NEI 07-07, "Nuclear Energy Institute's Industry Ground Water Protection Initiative".

Per NEI 07-07, the following information is presented:

No radioactive reactor by-product material was identified in samples collected by the DAEC's Radiological Environmental Monitoring Program (REMP) or the site Ground Water Protection Program (GWPP) above the threshold concentration levels for reporting.

D-3

APPENDIX E ANNUAL RADIATION DOSE ASSESSMENT E-1

Appendix E Annual Radiation Dose Assessment The annual offsite radiation dose to a member of the public was determined by assessment of environmental dosimetry results and by calculations based on monitored effluent releases.

Section A. Dose Contribution from Direct Radiation Direct radiation dose from the operation of the DAEC was reported by TLDs placed at locations in the surrounding environment as described in the Offsite Dose Assessment Manual (ODAM).

1. Pre-operational and 2013 TLD results were evaluated with a paired difference statistical test.

The evaluation concluded that there were no significant differences in the TLD populations for the 0.5 mile and 1 mile TLD populations.

2. As stated in Part 1 of this report, no plant effect was indicated by the TLDs when dose results were compared to the estimated average natural background for Middle America.

Section B. Estimated Offsite Dose from Effluent Releases

1. The contribution of dose to a member of the public most likely to be exposed from liquid and gaseous effluent releases was calculated using the Meteorological Information and Dose Assessment System (MIDAS) computer program in accordance with the ODAM. The calculation methods follow those prescribed by Regulatory Guide 1.109, "Calculation of Annual Doses to Man from Routine Releases of Reactor Effluents for the Purpose of Evaluating Compliance with 10 CFR Part 50, Appendix I".

2. Following calculation of offsite doses, the appropriateness of REMP sampling station types and locations was reviewed. The current sampling scheme was determined to be adequate for the identified receptors.

Results of the MIDAS dose calculations are displayed below.

1.) There were no releases of radioactive material to liquid effluents in 2013.

2.) The maximum dose to air at the site boundary from noble gases released was 0.000102 mrad from gamma radiation at 535 meters towards the South-South-West.

3.) The maximum dose to air at the site boundary from noble gases released was 0.0000166 mrad beta radiation at 2416 meters towards the North.

4.) The whole body dose equivalent to the hypothetical maximally exposed individual from noble gases was 0.000053 mrem, at 1620 meters towards the North-North-West.

5.) The skin dose equivalent to the, hypothetical maximally exposed individual from noble gases was 0.000054 mrem, at 1620 meters towards the North-North-West.

E-2

6.) The hypothetical maximally exposed organ due to airborne iodines and particulates with half-lives greater than eight days (excluding carbon-14) was the thyroid of a child at 1620 meters towards the North-North-West, with an estimated dose equivalent of 0.00222 mrem.

7.) The hypothetical maximally exposed organ due to airborne carbon-14 was the bone of a child located 4700 meters to the West-North-West of the site.

The dose was 0.11 mrem.

Conclusion No measurable dose due to the operation of the DAEC or the DAEC ISFSI was detected by environmental TLDs in 2013. The calculated doses are below the regulatory limits stated in Appendix I to 10CFR50, 40CFR190 and 10 CFR 72.104.

Estimated Maximum Offsite Individual Doses for 2013 Type Age Distance Directio Dose or Dose Equivalent Annual 10 CFR 50, 1 Group (meters) n (mrem) Appendix I "Limit" Direct Radiation None **

(as measured by TLDs) _

Liquid Releases Whole Body Dose Child S 0.000000 mrem 3 mrem Organ Dose Child - S 0.000000 mrem 10 mrem

_. Liver Noble Gas Gamma Air Dose 2416 SSW 0.000102 mrad 10 mrad Beta Air Dose 1620 N 0.0000166mrad 20 mrad Whole Body 11 1620 NNW 0.000053 mrem 5 mrem Skin Child '1620 NNW 0.000054 mrem 15 mrem Particulates & lodines Organ Dose Child - 1620 NNW 0.00222 mrem 15 mrem Thyroid Carbon 14 _

Organ Dose Child - 4700 WNW 0.11 mrem 15 mrem Bone

• • There is no Appendix I limit for direct radiation. It is listed here to demonstrate compliance with 40 CFR 190 and 10 CFR 72.104 limits of 25 mrem whole body and 75 mrem thyroid.

E-3

SATI Environmental, Midwest Laboratory Inc.

700 Londwvchr Road - NorthbrooA. IL 60062-2310 phone 1847i 564.0700

• faý (847) 564-4517 DUANE ARNOLD ENERGY CENTER CEDAR RAPIDS, IOWA Docket No. 50-331 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (REMP)

ANNUAL REPORT - PART II DATA TABULATIONS AND ANALYSES January 1 to December 31, 2013 Prepared by ATI ENVIRONMENTAL, Inc.

Midwest Laboratory Project No. 8001 Reviewed and Approved 0z Mklq ro ia G b, M.

Lýbo ana er

TABLE OF CONTENTS Section Paqe List of Tables ............................................................................................................... iii

1.0 INTRODUCTION

...................................................................................................... iv 2.0 PROG RAM DEVIATIONS ......................................................................................... v 3.0 DATA TABLES ............................................................................................................. vi Appendices A Supplem ental Analyses ....................................................................................... A-1 ii

LIST OF TABLES No. Title Paqe 1 Airborne particulates and iodine, Location D-3, analyses for gross beta and iodine-131 .......... 1-1 2 Airborne particulates and iodine, Location D-5, analyses for gross beta and iodine-1 31 .......... 2-1 3 Airborne particulates and iodine, Location D-6, analyses for gross beta and iodine-131 .......... 3-1 4 Airborne particulates and iodine, Location D-7, analyses for gross beta and iodine-131 ..... 4-1 5 Airborne particulates and iodine, Location D-1 1, analyses for gross beta and iodine-1 31 ......... 5-1 6 Airborne particulates and iodine, Location D-1 3, analyses for gross beta and iodine-1 31 ......... 6-1 7 Airborne particulates and iodine, Location D-1 5, analyses for gross beta and iodine-1 31 ......... 7-1 8 Airborne particulates and iodine, Location D-16, analyses for gross beta and iodine-131 ......... 8-1 9 Airborne particulates and iodine, Location D-40, analyses for gross beta and iodine-1 31 ......... 9-1 10 Airborne particulate composite samples, analysis for gamma-emitting isotopes .................... 10-1 11 Ambient gamma radiation by thermoluminescent dosimeters (TLD), quarterly exposure ......... 11-1 12 Milk samples, analysis for iodine-131 and gamma emitting isotopes ................................... 12-1 13 Ground water, Area wells, analysis for gross beta, gamma emitting isoto pe s a nd tritiu m ............................................................................... 13-1 14 Vegetation samples (broadleaf), analysis for iodine-131 and gamma-emitting isotopes ........... 14-1 15 Vegetation samples (hay and grain), analysis for gamma-emitting isotopes .......................... 15-1 16 Surface water samples, analysis for tritium and gamma-emitting isotopes ............................ 16-1 17 Surface water composites, analysis for strontium-89 and strontium-90 ................................ 17-1 18 Fish sam ples, analysis for gam ma-em itting isotopes ...................................................... 18-1 19 River sediment samples, analysis for gamma-emitting isotopes ............................ ............ 19-1 In addition the following tables may be found in Appendix A.

A-1 Groundwater, Area wells, conditional analyses for gamma emitting isotopes .............................. A-2 iii

1.0 INTRODUCTION

The following constitutes a supplement to the Annual Report for the Radiological Environmental Monitoring Program conducted at the Duane Arnold Energy Center, Palo, Iowa in 2013. Results of completed analyses are presented in the attached tables.

For information regarding sampling locations, type and frequency of collection, and sample codes, please refer to Part I, Tables 5.3 - 5.5 and Figures 5.1 and 5.2.

All concentrations, except gross beta and airborne iodine, are decay corrected to the time of collection. Airborne 1-131 is decayed to the midpoint of the collection period.

The required values for lower limits of detection (LLD) for gamma emitting isotopes are established through the Offsite Dose Assessment Manual (ODAM). Naturally occurring radioisotopes, such as Be-7, K-40 and Ra daughters, are frequently detected, but may not be listed for every sample medium.

iv

2.0 PROGRAM DEVIATIONS Sample Collection Date Type Analysis Location(s) or Period Comments AP/AI Gross Beta / 1-131 D-3 06-28-13 Partial sample (50 m 3), power outage.

AP/AI Gross Beta / 1-131 D-3 10-31-13 Power out at sampler station.

AP/AI Gross Beta / 1-131 D-3 12-26-13 Sampler pump failure.

AP/AI Gross Beta / 1-131 D-11 05-23-13 Partial sample (112 m 3), breaker found tripped after storm.

AP/AI Gross Beta / 1-131 D-11 10-17-13 Partial sample (178 m 3), faulty timer suspected.

AP/AI Gross Beta / 1-131 D-1 3 10-03-13 Partial sample (181 m 3), power outage.

AP/AI Gross Beta / 1-131 D-1 5 05-30-13 Breaker found tripped after storms.

AP/AI Gross Beta / 1-131 D-15 09-05-13 Partial sample (42 m 3), breaker tripped.

AP/AI Gross Beta / 1-131 D-15 10-17-13 Partial sample (154 m 3), power outage.

AP/AI Gross Beta / 1-131 D-1 5 10-31-13 Partial sample (84 m 3), power outage.

3r' Qtr. 2013 TLD Ambient Gamma D-1, D-41, D-82 TLD missing in the field, TLD replaced.

4th Qtr. 2013 TLD Ambient Gamma D-1 7 TLD missing in the field, TLD replaced.

G Gamma D-57, D-72, D-96 2013 No vegetation was available.

In no instance did missed analyses affect minimum sampling requirements asspecified in the ODAM.

v

3.0 DATA TABLES vi

Table 1. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-131a.

Location: D-3 (Hiawatha) 3 Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume 3 3 Collected (m ) Gross Beta Collected i(m) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 277 0.049 +/- 0.005 07-05-13 287 0.017 +/- 0.003 01-18-13 315 0.033 +/- 0.004 07-12-13 291 0.026 +/- 0.004 01-24-13 236 0.035 +/- 0.005 07-19-13 291 0.021 +/- 0.004 02-01-13 313 0.039 +/- 0.004 07-26-13 290 0.020 +/- 0.004 08-02-13 275 0.022 +/- 0.004 02-07-13 237 0.034 +/- 0.005 02-14-13 271 0.043 +/- 0.005 08-09-13 273 0.030 +/- 0.004 02-22-13 315 0.021 +/- 0.003 08-16-13 274 0.026 +/- 0.004 03-01-13 277 0.029 +/- 0.004 08-23-13 275 0.039 +/- 0.005 08-30-13 274 0.026 +/- 0.004 03-08-13 271 0.013 +/- 0.003 03-15-13 276 0.029 +/- 0.004 09-05-13 235 0.023 +/- 0.004 b

03-22-13 244 0.042 +/- 0.005 09-13-13 311 0.045 +/- 0.004 03-29-13 277 0.012 +/- 0.003 09-20-13 272 0.026 +/- 0.004 09-27-13 278 0.027 +/- 0.004 10-03-13 233 0.028 +/- 0.005 1st Quarter Mean +/- s.d. 0.032 +/- 0.012 3rd Quarter Mean +/- s.d. 0.027 +/- 0.007 04-05-13 272 0.029 +/- 0.004 10-11-13 313 0.028 +/- 0.004 04-12-13 274 0.019 +/- 0.004 10-17-13 236 0.025 +/- 0.004 04-18-13 237 0.012 +/- 0.003 10-23-13 234 0.016 +/- 0.004 d

04-26-13 336 0.020 +/- 0.003 10-31-13 ND 05-03-13 288 0.027 +/- 0.004 11-08-13 328 0.040 +/- 0.004 05-10-13 292 0.017 +/- 0.003 11-14-13 243 0.030 +/- 0.004 05-17-13 292 0.025 +/- 0.004 11-22-13 321 0.035 +/- 0.004 05-23-13 249 0.019 +/- 0.004 11-27-13 198 0.028 +/- 0.005 05-30-13 290 0.014 +/- 0.004 12-05-13 327 0.051 +/- 0.004 06-07-13 335 0.011 +/- 0.003 12-13-13 320 0.054 +/- 0.004 06-14-13 291 0.025 +/- 0.004 12-20-13 285 0.046 +/- 0.005 06-21-13 293 0.019 +/- 0.004 12-26-13 ND d C 01-03-14 06-22-13 50 0.016 +/- 0.016 326 0.031 +/- 0.004 2nd Quarter Mean +/- s.d. 0.019 +/- 0.005 4th Quarter Mean +/- s.d. 0.035 +/- 0.012 Cumulative Average 0.028

' Iodine-131 concentrations are < 0.03 pCi/m 3 unless noted otherwise.

b Timer reading suspect, volume based on sampler run time.

3 C Power to box lost; restored 06-28-13. 1-131 = < 0.064 pCi/m .

d ND = No data; see Table 2.0, Listing of Missed Samples.

1-1

Table 2. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-1 31a Location: D-5 (Palo) 3 Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume 3

Collected (m) Gross Beta Collected (mi3 ) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 289 0.061 +/- 0.005 07-05-13 275 0.021 +/- 0.004 01-18-13 328 0.033 +/- 0.004 07-12-13 278 0.034 +/- 0.004 01-24-13 246 0.031 +/- 0.004 07-19-13 277 0.026 +/- 0.004 02-01-13 329 0.029 +/- 0.004 07-26-13 276 0.025 +/- 0.004

+/- 0.006 b 08-02-13 193 0.030 02-07-13 250 0.035 +/- 0.004 02-14-13 291 0.023 +/- 0.004 08-09-13 275 0.033 +/- 0.004 02-22-13 325 0.024 +/- 0.003 08-16-13 277 0.026 +/- 0.004 03-01-13 290 0.033 +/- 0.004 08-23-13 271 0.055 +/- 0.005 08-30-13 277 0.044 +/- 0.005 03-08-13 287 0.027 +/- 0.004 03-15-13 289 0.028 +/- 0.004 09-05-13 236 0.020 +/- 0.004 03-22-13 286 0.030 +/- 0.004 09-13-13 315 0.044 +/- 0.004 03-29-13 291 0.014 +/- 0.003 09-20-13 281 0.024 +/- 0.004 09-27-13 280 0.034 +/- 0.004 10-03-13 240 0.041 +/- 0.005 1st Quarter Mean +/- s.d. 0.031 +/- 0.011 3rd Quarter Mean +/- s.d. 0.033 +/- 0.010 04-05-13 287 0.026 +/- 0.004 10-11-13 325 0.029 +/- 0.004 04-12-13 294 0.016 +/- 0.003 10-17-13 244 0.023 +/- 0.004 04-18-13 250 0.012 +/- 0.003 10-23-13 240 0.020 +/- 0.004 04-26-13 334 0.019 +/- 0.003 10-31-13 321 0.023 +/- 0.003 05-03-13 287 0.025 +/- 0.004 11-08-13 327 0.038 +/- 0.004 05-10-13 293 0.019 +/- 0.003 11-14-13 240 0.025 +/- 0.004 05-17-13 291 0.021 +/- 0.004 11-22-13 325 0.027 +/- 0.004 05-23-13 249 0.019 +/- 0.004 11-27-13 199 0.028 +/- 0.005 05-30-13 290 0.012 +/- 0.003 12-05-13 326 0.062 +/- 0.005 06-07-13 333 0.013 +/- 0.003 12-13-13 320 0.055 +/- 0.004 06-14-13 291 0.025 +/- 0.004 12-20-13 284 0.041 +/- 0.004 06-21-13 294 0.023 +/- 0.004 12-26-13 243 0.041 +/- 0.005 06-28-13 292 0.023 +/- 0.004 01-03-14 326 0.043 +/- 0.004 2nd Quarter Mean +/- s.d. 0.019 +/- 0.005 4th Quarter Mean +/- s.d. 0.035 +/- 0.013 Cumulative Average 0.029 a Iodine-131 concentrations are < 0.03 pCi/im 3 unless noted otherwise.

b Low volume possibly due to timer problem.

2-1

Table 3. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-1 31 a.

Location: D-6 (Center Point) 3 Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume Collected (M 3) Gross Beta Collected (M 3) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 271 0.053 +/- 0.005 07-05-13 277 0.022 +/- 0.004 01-18-13 309 0.027 +/- 0.004 07-12-13 280 0.037 +/- 0.004 01-24-13 231 0.025 +/- 0.004 07-19-13 280 0.022 +/- 0.004 02-01-13 346 0.041 +/- 0.004 07-26-13 279 0.024 +/- 0.004 08-02-13 280 0.020 +/- 0.004 02-07-13 262 0.029 +/- 0.004 02-14-13 303 0.023 +/- 0.004 08-09-13 279 0.030 +/- 0.004 02-22-13 344 0.018 +/- 0.003 08-16-13 279 0.030 +/- 0.004 03-01-13 305 0.011 +/- 0.003 08-23-13 280 0.046 +/- 0.005 08-30-13 281 0.045 +/- 0.005 03-08-13 302 0.022 +/- 0.003 03-15-13 304 0.031 +/- 0.004 09-05-13 240 0.027 +/- 0.005 03-22-13 300 0.035 +/- 0.004 09-13-13 318 0.043 +/- 0.004 03-29-13 305 0.012 +/- 0.003 09-20-13 278 0.025 +/- 0.004 09-27-13 283 0.025 +/- 0.004 10-03-13 238 0.027 +/- 0.005 1st Quarter Mean +/- s.d. 0.027 +/- 0.012 3rd Quarter Mean +/- s.d. 0.030 +/- 0.009 04-05-13 .298 0.010 +/- 0.003 10-11-13 321 0.025 +/- 0.004 04-12-13 305 0.009 +/- 0.003 10-17-13 241 0.017 +/- 0.004 04-18-13 256 0.010 +/- 0.003 10-23-13 238 0.020 +/- 0.004 04-26-13 347 0.022 +/- 0.003 10-31-13 314 0.024 +/- 0.004 05-03-13 277 0.026 +/- 0.004 11-08-13 320 0.036 +/- 0.004 05-10-13 280 0.022 +/- 0.004 11-14-13 239 0.023 +/- 0.004 05-17-13 281 0.023 +/- 0.004 11-22-13 331 0.026 +/- 0.003 05-23-13 235 0.025 +/- 0.004 11-27-13 195 0.030 +/- 0.005 05-30-13 279 0.015 +/- 0.004 12-05-13 320 0.059 +/- 0.005 06-07-13 321 0.016 +/- 0.003 12-13-13 313 0.046 +/- 0.004 06-14-13 280 0.025 +/- 0.004 12-20-13 279 0.039 +/- 0.004 06-21-13 281 0.025 +/- 0.004 12-26-13 238 0.043 +/- 0.005 06-28-13 277 0.020 +/- 0.004 01-03-14 316 0.044 +/- 0.004 2nd Quarter Mean +/- s.d. 0.019 +/- 0.006 4th Quarter Mean +/- s.d. 0.033 +/- 0.012 Cumulative Average 0.028 8 Iodine-131 concentrations are < 0.03 pCi/m 3 unless noted otherwise.

3-1

Table 4. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-1 31 a.

Location: D-7 (Shellsburg) 3 Units: pCi/mr Collection: Continuous, weekly exchange.

Date Volume Date Volume 3

Collected (m ) Gross Beta Collected (M ) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 288 0.047 +/- 0.004 07-05-13 284 0.020 +/- 0.004 01-18-13 328 0.024 +/- 0.003 07-12-13 285 0.033 +/- 0.004 01-24-13 246 0.026 +/- 0.004 07-19-13 285 0.025 +/- 0.004 02-01-13 329 0.047 +/- 0.004 07-26-13 285 0.023 +/- 0.004 08-02-13 286 0.021 +/- 0.004 02-07-13 250 0.025 +/- 0.004 02-14-13 291 0.023 +/- 0.004 08-09-13 284 0.028 +/- 0.004 02-22-13 323 0.020 +/- 0.003 08-16-13 286 0.028 +/- 0.004 03-01-13 290 0.029 +/- 0.004 08-23-13 286 0.043 +/- 0.005 08-30-13 286 0.038 +/- 0.004 03-08-13 287 0.016 +/- 0.003 03-15-13 290 0.020 +/- 0.003 09-05-13 244 0.027 +/- 0.004 03-22-13 286 0.036 +/- 0.004 09-13-13 325 0.043 +/- 0.004 03-29-13 291 0.015 +/- 0.003 09-20-13 284 0.031 +/- 0.004 09-27-13 289 0.027 +/- 0.004 10-03-13 244 0.032 +/- 0.005 1st Quarter Mean +/- s.d. 0.027 +/- 0.011 3rd Quarter Mean +/- s.d. 0.030 +/- 0.007 04-05-13 270 0.025 +/- 0.004 10-11-13 343 0.022 +/- 0.003 04-12-13 276 0.015 +/- 0.003 10-17-13 269 0.014 +/- 0.003 04-18-13 235 0.013 +/- 0.004 10-23-13 275 0.020 +/- 0.004 04-26-13 315 0.021 +/- 0.003 10-31-13 382 0.021 +/- 0.003 05-03-13 270 0.025 +/- 0.004 11-08-13 403 0.034 +/- 0.003 05-10-13 275 0.021 +/- 0.004 11-14-13 311 0.026 +/- 0.004 05-17-13 275 0.022 +/- 0.004 11-22-13 423 0.030 +/- 0.003 05-23-13 233 0.022 +/- 0.004 11-27-13 271 0.028 +/- 0.004 05-30-13 269 0.016 +/- 0.004 12-05-13 459 0.061 +/- 0.004 06-07-13 313 0.013 +/- 0.003 12-13-13 464 0.050 +/- 0.003 06-14-13 274 0.011 +/- 0.003 12-20-13 425 0.040 +/- 0.003 06-21-13 276 0.022 +/- 0.004 12-26-13 373 0.042 +/- 0.004 06-28-13 274 0.026 +/- 0.004 01-03-14 326 0.033 +/- 0.004 2nd Quarter Mean +/- s.d. 0.019 +/- 0.005 4th Quarter Mean +/- s.d. 0.032 +/- 0.013 Cumulative Average 0.027 a Iodine-1 31 concentrations are < 0.03 pCi/m3 unless noted otherwise.

4-1

Table 5. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-131a.

Location: D-113 (Toddville)

Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume 3 3 Collected (M ) Gross Beta Collected (iM) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 282 0.054 +/- 0.005 07-05-13 283 0.020 +/- 0.004 01-18-13 320 0.030 +/- 0.004 07-12-13 283 0.023 +/- 0.004 01-24-13 240 0.027 +/- 0.004 07-19-13 283 0.028 +/- 0.004 02-01-13 324 0.039 +/- 0.004 07-26-13 279 0.025. +/- 0.004 08-02-13 283 0.020 +/- 0.004 02-07-13 241 0.048 +/- 0.005 02-14-13 280 0.022 +/- 0.004 08-09-13 282 0.015 +/- 0.003 02-22-13 319 0.022 +/- 0.003 08-16-13 282 0.013 +/- 0.003 03-01-13 282 0.027 +/- 0.004 08-23-13 284 0.037 +/- 0.004 08-30-13 288 0.039 +/- 0.004 03-08-13 279 0.021 +/- 0.003 03-15-13 281 0.027 +/- 0.004 09-05-13 246 0.025 +/- 0.004 03-22-13 277 0.033 +/- 0.004 09-13-13 326 0.041 +/- 0.004 03-29-13 283 0.016 +/- 0.003 09-20-13 271 0.020 +/- 0.004 09-27-13 278 0.027 +/- 0.004 10-03-13 230 0.038 +/- 0.005 1st Quarter Mean +/- s.d. 0.030 +/- 0.011 3rd Quarter Mean +/- s.d. 0.027 +/- 0.009 04-05-13 278 0.030 +/- 0.004 10-11-13 253 0.035 +/- 0.005 d

04-12-13 278 0.017 +/- 0.003 10-17-13 178 0.030 +/- 0.006 04-18-13 242 0.011 +/- 0.003 10-23-13 229 0.020 +/- 0.004 04-26-13 320 0.022 +/- 0.003 10-31-13 327 0.019 +/- 0.003 05-03-13 265 0.017 +/- 0.004 11-08-13 334 0.038 +/- 0.004 05-10-13 269 0.020 +/- 0.004 11-14-13 249 0.022 +/- 0.004 05-17-13 269 0.022 +/- 0.004 11-22-13 327 0.031 +/- 0.004 b

05-23-13 112 0.022 +/- 0.007 11-27-13 194 0.033 +/- 0.005 05-30-13 240 0.014 +/- 0.004 12-05-13 320 0.061 +/- 0.005 06-07-13 324 0.017 +/- 0.003 12-13-13 314 0.046 +/- 0.004 C

06-14-13 283 0.026 +/- 0.004 12-20-13 279 0.035 +/- 0.004 C

06-21-13 283 0.022 +/- 0.004 12-26-13 237 0.037 +/- 0.005 C

06-28-13 283 0.025 +/- 0.004 01-03-14 317 0.032 +/- 0.004 2nd Quarter Mean +/- s.d. 0.020 +/- 0.005 4th Quarter Mean +/- s.d. 0.034 +/- 0.011 Cumulative Average 0.028 a Iodine-131 concentrations are < 0.03 pCi/m 3 unless noted otherwise.

b Low volume, breaker tripped during lightning storm.

cTimer reading suspect, volume estimate based on a 7 day run-time.

3 d Low volume may have been due to a timer failure; 1-131 = < 0.035 pCi/m ..

5-1

Table 6. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-131a.

Location: D-13 3 (Alburnett)

Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume Collected (M 3) Gross Beta Collected (M 3) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 274 0.055 +/- 0.005 07-05-13 353 0.013 +/- 0.003 01-18-13 312 0.026 +/- 0.003 07-12-13 363 0.029 +/- 0.003 01-24-13 234 0.033 +/- 0.005 07-19-13 371 0.019 +/- 0.003 02-01-13 313 0.037 +/- 0.004 07-26-13 379 0.019 +/- 0.003 08-02-13 389 0.019 +/- 0.003 02-07-13 237 0.046 +/- 0.005 02-14-13 273 0.021 +/- 0.004 08-09-13 395 0.024 +/- 0.003 02-22-13 332 0.017 +/- 0.003 08-16-13 404 0.022 +/- 0.003 03-01-13 293 0.023 +/- 0.003 08-23-13 284 0.035 +/- 0.004 08-30-13 286 0.034 +/- 0.004 03-08-13 290 0.012 +/- 0.003 03-15-13 293 0.023 +/- 0.003 09-05-13 245 0.026'+/- 0.004 03-22-13 288 0.033 +/- 0.004 09-13-13 337 0.033 +/- 0.004 03-29-13 294 0.013 +/- 0.003 09-20-13 299 0.026 +/- 0.004 09-27-13 269 0.026 +/- 0.004 10-03-13 181 0.041 +/- 0.006 1st Quarter Mean +/- s.d. 0.028 +/- 0.013 3rd Quarter Mean +/- s.d. 0.026 +/- 0.008 04-05-13 287 0.025 +/- 0.004 10-11-13 360 0.008 +/- 0.003 04-12-13 293 0.015 +/- 0.003 10-17-13 275 0.016 +/- 0.004 04-18-13 248 0.013 +/- 0.003 10-23-13 276 0.016 +/- 0.004 04-26-13 335 0.019 +/- 0.003 10-31-13 373 0.022 +/- 0.003 05-03-13 288 0.014 +/- 0.003 11-08-13 386 0.036 +/- 0.003 05-10-13 292 0.014 +/- 0.003 11-14-13 292 0.024 +/- 0.004 05-17-13 292 0.013 +/- 0.003 11-22-13 331 0.026 +/- 0.003 05-23-13 256 0.019 +/- 0.004 11-27-13 205 0.024 +/- 0.004 05-30-13 311 0.013 +/- 0.003 12-05-13 336 0.047 +/- 0.004 06-07-13 368 0.013 +/- 0.003 12-13-13 329 0.041 +/- 0.004 06-14-13 330 0.019 +/- 0.003 12-20-13 294 0.034 +/- 0.004 06-21-13 377 0.016 +/- 0.003 12-26-13 250 0.040 +/- 0.005 06-28-13 309 0.024 +/- 0.004 01-03-14 333 0.038 +/- 0.004 2nd Quarter Mean +/- s.d. 0.017 +/- 0.004 4th Quarter Mean +/- s.d. 0.029 +/- 0.012 Cumulative Average 0.025 3

a Iodine-131 concentrations are < 0.03 pCi/m unless noted otherwise.

6-1

Table 7. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-1 31a.

Location: D-153 (On-site, north)

Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume Collected (m3) Gross Beta Collected 3 (M ) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 297 0.050 +/- 0.004 07-05-13 285 0.019 +/- 0.004 c 01-18-13 331 0.024 +/- 0.003 07-12-13 285 0.031 +/- 0.004 01-24-13 252 0.030 +/- 0.004 07-19-13 285 0.025 +/- 0.004 02-01-13 327 0.041 +/- 0.004 07-26-13 285 0.021 +/- 0.004 08-02-13 286 0.018 +/- 0.004 02-07-13 250 0.062 +/- 0.005 02-14-13 290 0.021 +/- 0.004 08-09-13 284 0.014 +/- 0.003 02-22-13 332 0.027 +/- 0.003 08-16-13 286 0.024 +/- 0.004 03-01-13 276 0.028 +/- 0.004 08-23-13 286 0.043 +/- 0.005 08-30-13 274 0.040 +/- 0.004 03-08-13 273 0.024 +/- 0.004 d

03-15-13 275 0.023 +/- 0.003 09-05-13 42 0.033 +/- 0.020 03-22-13 272 0.032 +/- 0.004 09-13-13 312 0.043 +/- 0.004 03-29-13 276 0.017 +/- 0.003 09-20-13 280 0.030 +/- 0.004 09-27-13 270 0.027 +/- 0.004 10-03-13 234 0.026 +/- 0.005 1st Quarter Mean +/- s.d. 0.032 +/- 0.013 3rd Quarter Mean +/- s.d. 0.028 +/- 0.009 04-05-13 270 0.026 +/- 0.004 10-11-13 311 0.022 +/- 0.004 e

04-12-13 276 0.019 +/- 0.004 10-17-13 154 0.023 +/- 0.006 04-18-13 235 0.008 +/- 0.003 10-23-13 232 0.022 +/- 0.004 04-26-13 315 0.023 +/- 0.004 10-31-13 84 0.018 +/- 0.010 05-03-13 270. 0.021 +/- 0.004 11-08-13 317 0.039 +/- 0.004 05-10-13 275 0.016 +/- 0.003 11-14-13 235 0.030 +/- 0.004 05-17-13 275 0.020 +/- 0.004 11-22-13 312 0.037 +/- 0.004 05-23-13 234 0.020 +/- 0.004 11-27-13 195 0.028 +/- 0.005 b

05-30-13 ND 12-05-13 309 0.053 +/- 0.005 06-07-13 326 0.016 +/- 0.003 12-13-13 311 0.046 +/- 0.004 06-14-13 285 0.025 +/- 0.004 12-20-13 269 0.038 +/- 0.004 06-21-13 293 0.021 +/- 0.004 12-26-13 232 0.050 +/- 0.005 06-28-13 280 0.020 +/- 0.004 01-03-14 311 0.034 +/- 0.004 2nd Quarter Mean +/- s.d. 0.020 +/- 0.005 4th Quarter Mean +/- s.d. 0.034 +/- 0.011 Cumulative Average 0.028 a Iodine-131 concentrations are < 0.03 pCi/m 3 unless noted otherwise.

ND = No data; see Table 2.0, Listing of Missed Samples.

CTimer reading suspect, volume based on sampler run time.

3 d Low volume due to tripped breaker; I -131 result = < 0.069 pCi/rn .

3 e Low volume due to power outage; 1-131 = < 0.041 pCi/mi.

Low volume due to power outage; 1-131 =< 0. 044 pCi/in 3 .

7-1

Table 8. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-1 318.

Location: D-16 3 (On-site)

Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume Collected (Mi3 ) Gross Beta Collected (Mi) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 277 0.051 +/- 0.005 07-05-13 276 0.022 +/- 0.004 01-18-13 307 0.027 +/- 0.004 07-12-13 283 0.034 +/- 0.004 01-24-13 236 0.036 +/- 0.005 07-19-13 279 0.028 +/- 0.004 02-01-13 304 0.048 +/- 0.004 07-26-13 279 0.024 +/- 0.004 08-02-13 280 0.022 +/- 0.004 02-07-13 230 0.054 +/- 0.005 02-14-13 268 0.021 +/- 0.004 08-09-13 278 0.034 +/- 0.004 02-22-13 306 0.024 +/- 0.003 08-16-13 280 0.028 +/- 0.004 03-01-13 270 0.032 +/- 0.004 08-23-13 280 0.043 +/- 0.005 08-30-13 280 0.045 +/- 0.005 03-08-13 268 0.024 +/- 0.004 03-15-13 269 0.021 +/- 0.003 09-05-13 238 0.030 +/- 0.005 03-22-13 267 0.036 +/- 0.004 09-13-13 317 0.046 +/- 0.004 03-29-13 270 0.011 +/- 0.003 09-20-13 278 0.026 +/- 0.004 09-27-13 272 0.028 +/- 0.004 10-03-13 241 0.029 +/- 0.005 1st Quarter Mean +/- s.d. 0.032 +/- 0.013 3rd Quarter Mean +/- s.d. 0.031 +/- 0.008 04-05-13 265 0.033 +/-"0.004 10-11-13 317 0.026 +/- 0.004 04-12-13 271 0.020 +/- 0.004 10-17-13 242 0.021 +/- 0.004 04-18-13 230 0.010 +/- 0.003 10-23-13 237 0.020 +/- 0.004 04-26-13 308 0.026 +/- 0.004 10-31-13 311 0.025 +/- 0.004 05-03-13 276 0.023 +/- 0.004 b

11-08-13 317 0.011 +/- 0.003 05-10-13 282 0.017 +/- 0.003 11-14-13 235 0.026 +/- 0.004 05-17-13 280 0.026 +/- 0.004 11-22-13 312 0.035 +/- 0.004 05-23-13 239 0.020 +/- 0.004 11-27-13 197 0.033 +/- 0.005 05-30-13 279 0.013 +/- 0.004 12-05-13 312 0.038 +/- 0.004 06-07-13 320 0.013 +/- 0.003 12-13-13 315 0.062 +/- 0.005 06-14-13 279 0.026 +/- 0.004 12-20-13 271 0.046 +/- 0.005 06-21-13 288 0.025 +/- 0.004 12-26-13 234 0.049 +/- 0.005 06-28-13 275 0.023 +/- 0.004 01-03-14 313 0.046 +/- 0.004 2nd Quarter Mean.+/- s.d. 0.021 +/- 0.006 4th Quarter Mean +/- s.d. 0.034 +/- 0.014 Cumulative Average 0.030 8 lodine-131 concentrations are < 0.03 pCi/m 3 unless noted otherwise.

b Sample recounted; 0.010 +/- 0.003 pCi/m3.

8-1

Table 9. Airborne particulates and charcoal canisters, analyses for gross beta and iodine-1 31 a.

Location: D-403 Units: pCi/m Collection: Continuous, weekly exchange.

Date Volume Date Volume 3 3 Collected (M ) Gross Beta Collected (M ) Gross Beta Required LLD 0.010 Required LLD 0.010 01-10-13 293 0.058 +/- 0.005 07-05-13 289 0.020 +/- 0.004 01-18-13 282 0.034 +/- 0.004 07-12-13 292 0.030 +/- 0.004 01-24-13 238 0.030 +/- 0.004 07-19-13 288 0.024 +/- 0.004 02-01-13 332 0.039 +/- 0.004 07-26-13 287 0.020 +/- 0.004 08-02-13 289 0.024 +/- 0.004 02-07-13 247 0.039 +/- 0.005 02-14-13 288 0.032 +/- 0.004 08-09-13 288 0.028 +/- 0.004 02-22-13 328 0.021 +/- 0.003 08-16-13 288 0.024 +/- 0.004 03-01-13 293 0.029 +/- 0.004 08-23-13 289 0.040 +/- 0.004 08-30-13 180 0.023 +/- 0.005 03-08-13 288 0.020 +/- 0.003 03-15-13 288 0.024 +/- 0.003 09-05-13 247 0.025 +/- 0.004 03-22-13 286 0.032 +/- 0.004 09-13-13 328 0.047 +/- 0.004 03-29-13 291 0.007 +/- 0.003 09-20-13 284 0.031 +/- 0.004 09-27-13 294 0.011 +/- 0.003 10-03-13 247 0.030 +/- 0.005 1st Quarter Mean +/- s.d. 0.030 +/- 0.012 3rd Quarter Mean +/- s.d. 0.027 +/- 0.009 04-05-13 287 0.026 +/- 0.004 10-11-13 330 0.024 +/- 0.003 04-12-13 285 0.017 +/- 0.003 10-17-13 232 0.024 +/- 0.004 04-18-13 250 0.013 +/- 0.003 10-23-13 232 0.018 +/- 0.004 04-26-13 333 0.020 +/- 0.003 10-31-13 307 0.025 +/- 0.004 05-03-13 286 0.011 +/- 0.003 11-08-13 315 0.039 +/- 0.004 05-10-13 293 0.019 +/- 0.003 11-14-13 234 0.030 +/- 0.005 05-17-13 294 0.022 +/- 0.004 11-22-13 308 0.028 +/- 0.004 05-23-13 249 0.023 +/- 0.004 11-27-13 189 0.032 +/- 0.005 05-30-13 290 0.016 +/- 0.004 12-05-13 314 0.049 +/- 0.004 06-07-13 333 0.014 +/- 0.003 12-13-13 306 0.051 +/- 0.004 06-14-13 288 0.025 +/- 0.004 12-20-13 274 0.039 +/- 0.004 06-21-13 294 0.022 +/- 0.004 12-26-13 228 0.039 +/- 0.005 06-28-13 292 0.019 +/- 0.004 01-03-14 315 0.046 +/- 0.004 2nd Quarter Mean +/- s.d. 0.019 +/- 0.004 4th Quarter Mean +/- s.d. 0.034 +/- 0.010 Cumulative Average 0.027 a Iodine-131 concentrations are < 0.03 pCi/mr3 unless noted otherwise.

b Sample recounted; 0.015 +/- 0.003 pCi/m3.

9-1

Table 10. Airborne particulates, analyses for gamma-emitting isotopes.

3 Collection: Quarterly Composite Units: pCi/-

Location D-3 Quarter 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Lab Code DAP- 2021 DAP- 4090 DAP- 6403 DAP- 7865 Volume (M 3) 3309 3498 3861 3131 Be-7 0.076 + 0.022 0.059 +/- 0.015 0.077 +/- 0.014 0.060 +/- 0.017 Mn-54 0.0009 0.0010 < 0.0009 < 0.0008 Fe-59 0.0017 0.0011 < 0.0013 < 0.0016 Co-58 0.0010 0.0010 < 0.0008 < 0.0010 Co-60 0.0008 0.0007 < 0.0010 < 0.0005 Zn-65 0.0016 0.0012 < 0.0008 < 0.0015 Nb-95 0.0018 0.0012 < 0.0008 < 0.0007 Zr-95 0.0019 0.0022 < 0.0011 < 0.0010 Ru-1 03 0.0014 0.0010 < 0.0010 < 0.0014 Ru-1 06 0.0079 0.0075 < 0.0073 < 0.0085 Cs-134 0.0010 0.0005 < 0.0008 < 0.0013 Cs-137 0.0010 0.0008 < 0.0009 < 0.0009 Ce-141 0.0020 0.0015 < 0.0016 < 0.0017 Ce-144 0.0054 0.0032 < 0.0033 < 0.0045 Location D-5 Lab Code DAP- 2022 DAP- 4091 DAP- 6404 DAP- 7866 3

Volume (m ) 3501 3785 3751 3720 Be-7 0.062 +/- 0.015 0.070 +/- 0.015 0.081 +/- 0.016 0.048 +/- 0.016 Mn-54 < 0.0007 0.0011 0.0011 < 0.0007 Fe-59 < 0.0017 0.0028 0.0015 < 0.0019 Co-58 < 0.0008 0.0010 0.0009 < 0.0010 Co-60 < 0.0008 0.0005 0.0010 < 0.0007 Zn-65 < 0.0018 0.0011 0.0014 < 0.0019 Nb-95 < 0.0010 0.0013 0.0012 < 0.0009 Zr-95 < 0.0012 0.0019 0.0012 < 0.0019 Ru-1 03 < 0.0009 0.0013 0.0014 < 0.0009 Ru-1 06 < 0.0077 0.0084 0.0088 < 0.0070 Cs-1 34 < 0.0006 0.0005 0.0010 < 0.0011 Cs-1 37 < 0.0008 0.0011 0.0007 < 0.0009 Ce-141 < 0.0015 0.0022 0.0020 < 0.0017 Ce-144 < 0.0030 0.0052 0.0035 < 0.0049 Location D-6 Lab Code DAP- 2023 DAP- 4092 DAP- 6405 DAP- 7867 Volume (M 3) 3581 3715 3873 3667 Be-7 0.061 +/- 0.015 0.078 +/- 0.015 0.093 +/- 0.018 0.057 +/- 0.014 Mn-54 < 0.0010 0.0008 0.0008 0.0011 Fe-59 < 0.0022 0.0019 0.0013 0.0017 Co-58 < 0.0004 0.0008 0.0011 0.0011 Co-60 < 0.0005 0.0009 0.0008 0.0004 Zn-65 < 0.0019 0.0013 0.0008 0.0008 Nb-95 < 0.0009 0.0013 0.0011 0.0010 Zr-95 < 0.0022 0.0013 0.0011 0.0019 Ru-103 < 0.0013 0.0013 0.0012 0.0011 Ru-106 < 0.0037 0.0066 0.0073 0.0074 Cs-1 34 < 0.0007 0.0008 0.0008 0.0010 Cs-1 37 < 0.0008 0.0008 0.0003 0.0008 Ce-141 < 0.0019 0.0022 0.0012 0.0016 Ce-144 < 0.0056 0.0040 0.0029 0.0043 10-1

Table 10. Airborne particulates, analyses for gamma-emitting isotopes. 3 Collection: Quarterly Composite Units: pCi/m Location D-7 Quarter 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Lab Code DAP- 2024 DAP- 4094 DAP- 6406 DAP- 7868 Volume (M 3 ) 3499 3556 3952 4724 Be-7 0.050 +/- 0.015 0.080 +/- 0.019 0.092 +/- 0.016 0.061 +/- 0.015 Mn-54 < 0.0008 < 0.0009 < 0.0007 < 0.0006 Fe-59 < 0.0018 < 0.0030 < 0.0013 < 0.0008 Co-58 < 0.0007 < 0.0010 < 0.0005 < 0.0003 Co-60 < 0.0004 < 0.0010 < 0.0007 < 0.0004 Zn-65 < 0.0008 < 0.0012 < 0.0021 < 0.0007 Nb-95 < 0.0010 < 0.0017 < 0.0008 < 0.0008 Zr-95 < 0.0013 < 0.0026 < 0.0014 < 0.0015 Ru-103 < 0.0011 < 0.0015 < 0.0013 < 0.0005 Ru-1 06 < 0.0050 < 0.0093 < 0.0068 < 0.0063 Cs-134 < 0.0004 < 0.0010 < 0.0010 < 0.0009 Cs-1 37 < 0.0004 < 0.0009 < 0.0006 < 0.0003 Ce-141 < 0.0012 < 0.0024 < 0.0018 < 0.0008 Ce-144 < 0.0043 < 0.0061 < 0.0042 < 0.0054 Location D-11 Lab Code DAP- 2025 DAP- 4095 DAP- 6407 DAP- 7869 Volume (mi) 3408 3444 3898 3558 Be-7 0.075 +/- 0.015 0.090 +/- 0.021 0.066 +/- 0.014 0.048 +/- 0.012 Mn-54 < 0.0009 < 0.0011 < 0.0009 < 0.0006 Fe-59 < 0.0021 < 0.0023 < 0.0025 < 0.0009 Co-58 < 0.0004 < 0.0012 < 0.0006 < 0.0004 Co-60 < 0.0004 < 0.0008 < 0.0007 < 0.0005 Zn-65 < 0.0008 < 0.0017 < 0.0016 < 0.0007 Nb-95 < 0.0008 < 0.0010 < 0.0009 < 0.0007 Zr-95 < 0.0013 < 0.0014 < 0.0010 < 0.0010 Ru-103 < 0.0011 < 0.0017 < 0.0012 < 0.0005 Ru-1 06 < 0.0047 < 0.0125 < 0.0055 < 0.0063 Cs-1 34 < 0.0007 < 0.0009 < 0.0009 < 0.0009 Cs-1 37 < 0.0008 < 0.0008 < 0.0005 < 0.0003 Ce-141 < 0.0023 < 0.0024 < 0.0012 < 0.0017 Ce-144 < 0.0048 < 0.0043 < 0.0040 < 0.0033 Location D-13 Lab Code DAP- 2026 DAP- 4096 DAP- 6408 DAP- 7870 Volume (M3) 3433 3986 4555 4039 Be-7 0.059 +/- 0.014 0.063 +/- 0.012 0.072 +/- 0.015 0.042 +/- 0.013 Mn-54 < 0.0006 < 0.0006 < 0.0008 < 0.0009 Fe-59 < 0.0016 < 0.0009 < 0.0018 < 0.0023 Co-58 < 0.0006 < 0.0004 < 0.0006 < 0.0006 Co-60 < 0.0006 < 0.0003 < 0.0006 < 0.0008 Zn-65 < 0.0012 < 0.0008 < 0.0007 < 0.0024 Nb-95 < 0.0009 < 0.0010 < 0.0014 < 0.0017 Zr-95 < 0.0013 < 0.0015 < 0.0010 < 0.0016 Ru-103 < 0.0010 < 0.0011 < 0.0011 < 0.0013 Ru-1 06 < 0.0032 < 0.0055 < 0.0044 < 0.0060 Cs-134 < 0.0006 < 0.0004 < 0.0007 < 0.0010 Cs-1 37 < 0.0007 < 0.0004 < 0.0006 < 0.0007 Ce-141 < 0.0010 < 0.0010 < 0.0016 < 0.0013 Ce-144 < 0.0032 < 0.0032 < 0.0040 < 0.0030 10-2

Table 10. Airborne particulates, analyses for gamma-emitting isotopes.

Collection: Quarterly Composite Units: pCi/m3 Location D-1 55 D-1 Quarter 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Lab Code DAP- 2027 DAP- 4097 DAP- 6410 DAP- 7871 Volume (min) 3452 3336 3695 3272 Be-7 0.074 +/- 0.018 0.071 +/- 0.015 0.075 +/- 0.017 0.051 + 0.016 Mn-54 < 0.0011 < 0.0013 < 0.0009 0.0006 Fe-59 < 0.0017 < 0.0021 < 0.0020 0.0014 Co-58 < 0.0010 < 0.0008 < 0.0008 0.0009 Co-60 < 0.0008 < 0.0011 < 0.0007 0.0009 Zn-65 < 0.0008 < 0.0012 < 0.0014 0.0008 Nb-95 < 0.0016 < 0.0013 < 0.0018 0.0008 Zr-95 < 0.0011 < 0.0017 < 0.0017 0.0012 Ru-1 03 < 0.0011 < 0.0012 < 0.0016 0.0006 Ru-1 06 < 0.0078 < 0.0094 < 0.0080 0.0102 Cs-134 < 0.0010 < 0.0010 < 0.0009 0.0010 Cs-137 < 0.0008 < 0.0010 < 0.0007 0.0006 Ce-141 < 0.0024 < 0.0027 < 0.0015 0.0023 Ce-144 < 0.0049 < 0.0063 < 0.0047 0.0043 Location D-16 Lab Code DAP- 2028 DAP- 4098 DAP- 6411 DAP- 7873 Volume (m3) 3272 3591 3862 3614 Be-7 0.061 +/- 0.017 0.075 +/- 0.014 0.077 +/- 0.014 0.053 +/- 0.014 Mn-54 < 0.0012 < 0.0013 < 0.0011 < 0.0006 Fe-59 < 0.0020 < 0.0019 < 0.0009 < 0.0008 Co-58 < 0.0010 < 0.0008 < 0.0006 < 0.0006 Co-60 < 0.0007 < 0.0007 < 0.0006 < 0.0005 Zn-65 < 0.0017 < 0.0008 < 0.0012 < 0.0007 Nb-95 < 0.0018 < 0.0012 < 0.0006 < 0.0009 Zr-95 < 0.0013 < 0.0008 < 0.0018 < 0.0008 Ru-103 < 0.0014 < 0.0015 < 0.0008 < 0.0004 Ru-1 06 < 0.0075 < 0.0096 < 0.0064 < 0.0070 Cs-134 < 0.0007 < 0.0008 < 0.0010 < 0.0007 Cs-137 < 0.0011 < 0.0006 < 0.0010 < 0.0007 Ce-141 < 0.0027 < 0.0023 < 0.0012 < 0.0016 Ce-144 < 0.0065 < 0.0047 < 0.0047 < 0.0027 Location D-40 D-40 Location Lab Code DAP- 2029 DAP- 4099 DAP- 6412 DAP- 7874 Volume (m3) 3454 3776 3891 3584 Be-7 0.053 +/- 0.014 0.076 +/- 0.014 0.068 +/- 0.015 0.048 +/- 0.011 Mn-54 0.0005 < 0.0009 < 0.0007 < 0.0006 Fe-59 0.0012 < 0.0019 < 0.0021 < 0.0011 Co-58 0.0010 < 0.0007 < 0.0009 < 0.0006 Co-60 0.0004 <.0.0006 < 0.0007 < 0.0006 Zn-65 0.0009

• 0.0010 < 0.0012 < 0.0011 Nb-95 0.0009

• 0.0009 < 0.0017 < 0.0009 Zr-95 0.0012

• 0.0018 < 0.0023 < 0.0012 Ru-103 0.0012

• 0.0015 < 0.0009 < 0.0007 Ru-106 0.0040

• 0.0074 < 0.0060 < 0.0049 Cs-134 0,0006

• 0.0009 < 0.0009 < 0.0007 Cs-137 0.0008

• 0.0008 < 0.0006 < 0.0007 Ce-141 0.0020

• 0.0019 < 0.0018 < 0.0008 Ce-144 0.0030

• 0.0056 < 0.0052 < 0.0023 10-3

Table 11. Ambient gamma radiation as measured by thermoluminescent dosimeters (TLD).

Quarterly collection. Units: mR/91 days Control Locations 1 st Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.

D-1 24.1 +/- 1.2 13.3 +/- 1.8 NDa 9.3 +/- 1.1 D-2 18.9 +/- 1.3 11.9 +/- 1.5 12.2 +/- 2.0 13.1 +/- 1.2 D-3 22.5 +/- 1.3 11.2 +/- 1.2 14.2 +/- 2.0 13.6 +/- 1.5 D-5 19.7 +/- 1.5 14.2 +/- 1.2 13.9 +/- 1.9 17.6 +/- 1.3 D-6 21.1 +/- 1.1 16.8 +/- 1.3 13.2 +/- 1.8 16.8 +/- 1.0 D-7 20.2 +/- 1.7 13.1 +/- 1.5 13.7 +/- 2.0 15.3 +/-1.1 D-8 24.8 +/- 0.9 14.8 +/- 1.5 18.9 +/- 1.7 16.4 +/-1.2 D-10 23.9 +/- 1.6 11.7 +/- 1.2 18.2 +/- 1.6 14.8 +/-1.1 D-11 18.2 +/- 1.0 11.8 +/- 2.0 12.9 +/- 1.9 13.2 +/-1.5 D-13 19.0 +/- 0.9 14.6 +/- 1.6 10.9 +/- 1.6 17.0 +/-1.2 Mean +/- s.d. 21.2 +/- 2.4 13.3 +/- 1.8 14.2 +/- 2.6 14.7 +/-2.5 Within 0.5 mi. of Stack D-15 20.2 +/- 1.2 12.7 +/- 1.2 12.8 +/- 1.5 15.2 +/-0.9 D-16 18.3 +/- 1.1 14.1 +/- 1.7 12.4 +/- 2.0 16.3 +/- 1.6 D-17 21.5 +/- 1.3 17.0 +/- 1.3 21.4 +/- 1.7 NDa D-18 24.1 +/- 2.2 19.2 +/- 1.2 15.0 +/- 1.9 20.8 +/- 0.9 D-19 21.9 +/- 1.3 12.8 +/- 1.4 14.9 +/- 1.9 15.0 +/- 1.3 D-20 21.9 +/- 1.2 20.2 +/- 2.1 14.9 +/- 1.9 19.4 +/- 1.3 D-21 27.9 +/- 1.4 15.8 +/-2.1 20.8 +/- 1.6 17.3 +/- 1.1 D-22 23.3 +/- 1.6 12.9 +/- 1.4 14.9 +/- 1.9 15.3 +/- 1.1 D-23 19.2 +/- 1.1 8.6 +/- 1.2 10.6 +/- 1.7 11.4 +/- 1.0 D-28 24.6 +/- 1.6 13.8 +/- 1.2 18.0 +/- 2.0 18.0 +/- 1.4 D-29 21.5 +/- 1.1 14.9 +/- 1.2 14.7 +/- 1.6 18.1 +/- 1.1 D-30 26.4 +/- 1.2 13.9 +/- 1.9 16.4 +/- 1.7 16.9 +/- 1.7 D-31 28.1 +/-1.7 16.0 +/- 1.8 18.2 +/- 2.6 17.7 +/- 1.3 D-32 26.9 +/- 0.9 12.7 +/- 1.3 18.4 +/- 1.5 16.6 +/- 1.1 D-82 21.0 +/- 1.1 16.9 +/- 1.1 NDa 19.9 +/- 0.9 D-83 24.0 +/- 1.1 12.1 +/- 1.1 13.9 +/- 1.6 15.3 +/- 0.9 D-84 23.0 +/- 1.3 15.1 +/- 1.2 14.6 +/- 1.6 14.2 +/- 1.0 D-85 24.1 +/- 1.2 15.5 +/- 1.4 17.4 +/- 1.6 18.4 +/- 1.1 D-86 22.3 +/- 1.8 16.9 +/- 1.4 15.5 +/- 2.6 18.4 +/- 1.3 D-91 24.4 +/- 1.2 13.4 +/- 1.5 16.0 +/- 1.9 16.0 +/- 1.5 Mean +/- s.d. 23.2 +/- 2.7 14.7 +/- 2.6 15.8 +/- 2.7 16.8 +/-2.2 a ND = No data; see Table 2.0, Listing of Missed Samples.

11-1

Table 11. Ambient gamma radiation as measured by thermoluminescent dosimeters (TLD).

Quarterly collection. Units: mR/91 days Within 1.0 mi. of 1st Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.

Stack D-43 22.5 +/- 1.1 11.2 +/- 1.4 14.8 +/- 2.0 14.9 +/- 1.6 D-44 25.7 + 1.1 15.7 +/- 1.1 17.7 +/- 1.6 19.0 +/-0.9 D-45 24.6 + 1.0 11.7 +/- 1.3 15.7 +/- 1.7 14.6 +/- 1.2 D-46 27.2 +/- 1.3 16.0 +/- 1.4 19.0 +/- 1.9 18.2 +/- 1.1 D-47 23.1 +/-1.1 17.3 +/- 1.4 14.3 +/- 1.8 20.4 +/- 1.3 D-48 27.4 + 1.0 15.0 +/- 1.2 20.5 +/- 1.8 19.1 +/- 1.0 Mean +/- s.d. 25.1 +2.1 14.5 +/- 2.5 17.0 +/- 2.5 17.7 +/- 2.4 Within 3.0 mi. of Stack D-33 17.5 +/- 1.1 10.6 +/-1.2 9.7 + 1.5 13.4 +/- 0.9 D-34 22.2 +/- 1.0 11.2 +/-1.6 13.2 +/- 1.5 13.8 +/- 1.1 D-35 23.9 +/- 1.0 11.8 +/- 1.4 14.0 +/- 1.7 13.2 +/- 1.0 D-36 22.8 +/- 1.4 12.1 +/-1.3 13.8 +/- 1.8 16.3 +/- 1.1 D-37 24.8 +/- 1.5 13.7 +/- 1.1 17.2 +/- 1.9 18.3 +/- 1.1 D-38 22.8 +/- 1.3 13.4 +/- 1.3 18.9 +/- 1.9 15.1 +/- 1.3 D-39 24.4 +/- 1.3 14.8 +/- 1.7 16.7 +/- 1.8 17.0 +/- 1.4 D-40 21.1 +/- 0.9 12.3 +/- 1.5 11.0 +/- 1.8 13.9 +/- 1.1 D-41 25.2 +/- 1.0 16.3 +/- 1.5 NDa 21.1 +/- 1.1 D-42 18.5 +/- 1.1 11.0 +/- 1.5 11.1 +/- 1.5 15.7 +/- 1.1 Mean +/- s.d. 22.3 +/- 2.6 12.7 +/- 1.8 13.9 +/- 3.1 15.8 +/- 2.5 ISFSI Fenceline D-161 63.8 +/- 2.5 50.9 +/- 3.6 48.3 +/- 3.2 53.8 +/-4.1 D-162 22.1 +/-1.0 13.9 +/- 1.3 14.0 +/- 1.6 16.2 +/- 1.4 D-163 60.3 +/- 1.8 44.2 +/- 2.6 49.7 +/- 2.0 48.4 +/- 3.0 D-164 22.5 +/- 1.0 11.0 +/- 1.2 14.1 +/- 1.6 13.7 +/- 1.0 Mean +/- s.d. 42.2 +/- 23.0 30.0 +/- 20.5 31.5 +/- 20.2 33.0 +/- 21.0 a ND = No data; see Table 2.0, Listing of Missed Samples.

11-2

Table 12. Milk samples, analyses for iodine-131 and gamma emitting isotopes.

Collection: Monthly during non-grazing season (October 1 through April 30): biweekly during grazing season (May 1 through September 30)

Location D-110 Date Lab Concentration (pCi/L)

Collected Code 1-131 K-40 Cs-134 Cs-137 Ba-140 La-140 01-08-13 DMI- 90 <0.3 1528 +/- 119 <2.5 <2.4 <13.1 <1.5 02-05-13 DMI- 488 <0.5 1351 +/- 118 <3.2 <4.5 <15.0 <1.5 03-05-13 DMI- 939 < 0.3 1413 +/- 105 < 2.7 < 3.8 < 9.7 < 1.7 04-09-13 DMI- 1622 < 0.4 1435 +/- 124 < 3.6 < 3.2 < 15.9 < 1.8 05-10-13 DMI- 2489 < 0.3 1504 +/- 110 < 3.2 < 3.7 < 15.9 < 1.4 05-22-13 DMI- 2708 <0.3 1490 +/- 113 <3.8 <3.6 <20.3 <3.9 06-04-13 DMI- 2950 < 0.3 1477 +/- 105 < 3.4 < 3.3 < 12.5 < 2.2 06-18-13 DMI- 3389 < 0.4 1530 +/- 104 < 2.4 < 3.3 < 9.3 < 2.8 07-03-13 DMI- 3658 < 0.4 1516 +/- 122 < 2.7 < 4.1 < 16.1 < 1.7 07-16-13 DMI- 3979 < 0.4 1464 +/- 97 < 3.2 < 3.2 < 12.8 < 3.1 07-30-13 DMI- 4379 < 0.3 1485 +/- 125 < 1.9 < 4.1 < 9.7 < 2.8 08-13-13 DMI- 4761 < 0.2 1406 +/- 105 < 3.3 < 3.5 < 9.7 < 1.5 08-27-13 DMI- 5075 < 0.2 1436 +/- 93 < 2.2 < 2.2 < 10.0 < 0.7 09-10-13 DMI- 5373 < 0.3 1297 +/- 116 < 3.3 < 2.5 < 16.0 < 1.4 09-24-13 DMI- 5636 < 0.2 1483 +/- 99 < 3.1 < 3.2 < 12.3 < 3.0 10-16-13 DMI- 6333 < 0.4 1432 +/- 115 < 3.5 < 4.6 < 11.5 < 1.3 11-15-13 DMI- 7058 <0.4 1391 +/-114 <4.0 <2.7 <19.3 <1.3 12-17-13 DMI- 7569 < 0.3 1420 +/- 95 < 3.3 < 3.6 < 8.7 < 1.6 Location D-138 Date Lab Concentration (pCi/L)

Collected Code 1-131 K-40 Cs-134 Cs-137 Ba-140 La-140 01-08-13 DMI- 91 < 0.3 1405 +/- 105 < 3.7 < 2.7 < 13.6 < 2.2 02-05-13 DMI- 489 < 0.3 1351 +/- 104 < 2.9 < 4.0 < 10.1 < 2.0 03-05-13 DMI- 940 < 0.3 1264 +/- 101 < 2.0 < 2.3 < 10.0 < 1.1 04-09-13 DMI- 1623 < 0.3 1440 +/- 106 < 2.7 < 3.0 < 14.0 < 1.5 05-10-13 DMI- 2490 < 0.3 1423 +/- 107 < 2.6 < 3.7 < 16.4 < 2.5 05-22-13 DMI- 2709 < 0.3 1392 +/- 108 < 2.3 < 3.3 < 17.4 < 2.4 06-04-13 DMI- 2951 < 0.4 1307 +/- 115 < 3.8 < 3.9 < 14.7 < 1.4 06-18-13 DMI- 3390 < 0.5 1583 +/- 113 < 2.8 < 3.1 < 12.9 < 1.2 07-03-13 DMI- 3659 < 0.4 1416 +/- 116 < 3.5 < 4.4 < 18.9 < 3.8 07-16-13 DMI- 3980 < 0.3 1495 +/- 100 < 2.2 < 1.6 < 7.5 < 2.1 07-30-13 DMI- 4380 < 0.4 1543 +/- 114 < 2.7 < 3.6 < 8.0 < 1.8 08-13-13 DMI- 4762 < 0.2 1445 +/- 109 < 2.2 < 4.0 < 17.4 < 2.4 08-27-13 DMI- 5076 < 0.2 1334 +/- 100 < 3.1 < 3.3 < 7.9 < 1.9 09-10-13 DMI- 5374 < 0.4 1238 +/- 104 < 3.2 < 4.0 < 17.8 < 2.1 09-24-13 DMI- 5637 < 0.2 1534 +/- 106 < 2.8 < 3.4 < 14.7 < 2.0 10-16-13 DMI- 6334 < 0.3 1226 +/- 105 < 3.8 < 4.2 < 10.0 < 1.4 11-15-13 DMI- 7059 <0.4 1412 +/- 114 <2.9 <3.5 <15.8 <1.3 12-17-13 DMI- 7570 <0.3 1525 +/- 96 <2.9 <3.2 <5.9 <1.7 12-1

Table 13. Well water samples, analyses for gross beta, gamma emitting isotopes and tritium.

Collection: Quarterly Units: pCi/L Location D-53 Treated Municipal Water Lab Code DWW- 769 DWW- 3094 DWW- 5034 DWW- 7183 Date Collected 02-25-13 06-05-13 08-22-13 11-21-13 Gross Beta 1.2 +/- 0.3 H-3 < 141

• 138 < 150 < 158 Mn-54 < 1.9 < 2.0 < 2.7 < 2.9 Fe-59 < 3.5 < 4.3 < 6.2 < 3.3 Co-58 < 3.3 < 3.4 < 2.0 < 3.5 Co-60 < 2.9

• 1.9 < 2.5 < 2.2 Zn-65 < 4.9 < 3.8 < 2.8 < 3.3 Nb-95 < 3.4 < 4.2 < 2.6 < 3.5 Zr-95 < 4.7 <3.1 < 3.5 < 6.0 1-131 < 5.9 < 8.5 < 9.1 < 9.1 Cs-1 34 < 2.5 < 2.6 < 2.3 < 3.7 Cs-1 37 <2.5 < 2.5 < 3.2 < 3.5 Ba-140 < 18.5 < 23.8 < 20.6 < 17.6 La-140 < 2.9 < 6.2 < 5.2 < 3.0 Location D-54 Inlet to Municioal Water Lab Code DWW- 771 DWW- 3095 DWW- 5035 DWW- 7184 Date Collected 02-25-13 06-05-13 08-22-13 11-21-13 Gross Beta 1.8 +/- 0.4 H-3 < 141 < 138 < 150 < 158 Mn-54 < 1.8 < 3.1 < 2.6 < 2.3 Fe-59 < 2.4 < 7.1 < 5.9 <4.1 Co-58 < 2.4 < 2.6 < 2.5 < 2.6 Co-60 < 2.4 < 1.9 < 1.8 < 2.1 Zn-65 < 3.0 < 4.4 < 1.7 < 5.2 Nb-95 < 2.2 < 4.2 < 3.7 < 3.1 Zr-95 < 3.9 < 3.1 < 3.7 < 6.0 1-131 < 7.2

• 6.6 < 7.4 < 8.1 Cs-134 <2.9 < 3.5 < 2.0 < 2.7 Cs-137 < 2.8 < 3.0

• 2.3 < 2.2 Ba-140 < 10.7 < 21.3 < 13.4 < 13.7 La-140 <4.0 <4.5 <4.1 < 3.3 13-1

Table 13. Well water samples, analyses for gross beta, gamma emitting isotopes and tritium.

Collection: Quarterly Units: pCi/L Location D-55 On-site Well Lab Code DWW- 772 DWW- 3096 DWW- 5036 DWW- 7185 Date Collected 02-25-13 06-05-13 08-22-13 11-21-13 Gross Beta -0.1 +/- 0.3 H-3 < 141 < 138 < 150 < 158 Mn-54 < 1.9 < 2.3 < 2.1 < 2.9 Fe-59 < 3.4 < 3.6 <6.1 < 4.6 Co-58

• 2.8

• 1.6 < 1.7 < 2.5 Co-60 <2.3 < 1.7 < 1.7 < 3.8 Zn-65 < 2.8 < 2.5 < 4.2 < 4.6 Nb-95 < 1.5

• 2.5 < 4.3 < 3.1 Zr-95 < 5.2 < 5.5 < 3.3 < 6.3 1-131 < 6.2 < 10.3 < 9.1 < 6.3 Cs-1 34 < 2.6 < 2.1 < 2.4 < 3.4 Cs-1 37 <2.3 < 2.6 < 3.1

• 2.5 Ba-140 < 6.9 < 18.3 < 15.4 < 12.0 La-140 < 2.6 < 2.2 < 2.6 < 3.9 Location D-57 Bull Farm Lab Code DWW- 773 DWW- 3097 DWW- 5037 DWW- 7187 Date Collected 02-25-13 06-05-13 08-22-13 11-21-13 Gross Beta 0.6 +/- 0.3 H-3 < 141 < 138 < 150 < 156 Mn-54 < 2.6 < 1.2 < 2.7 < 2.7 Fe-59 < 4.3 < 3.4 < 3.1 < 3.3 Co-58 < 3.0 < 2.9 < 2.9 < 2.0 Co-60 < 2.7 < 2.6 < 2.5 < 2.9 Zn-65 < 4.4 < 2.7 < 3.6 < 7.8 Nb-95 < 2.2 < 1.9 < 3.0 < 4.2 Zr-95 < 2.9 < 4.7 < 4.9 < 6.9 1-131 < 7.4 < 9.0 < 8.1 < 9.5 Cs-134 < 2.8 < 1.6 < 2.0 < 3.7 Cs-137 < 2.9 < 2.5 < 2.0 < 2.1 Ba-140 < 13.5 < 25.6 < 14.3 < 14.9 La-140 < 3.0 < 3.0 < 4.9 < 4.8 13-2

Table 13. Well water samples, analyses for gross beta, gamma emitting isotopes and tritium.

Collection: Quarterly Units: pCi/L Location D-58 Franz Farm Lab Code DWW- 774 DWW- 3098 DWW- 5038 DWW- 7188 Date Collected 02-25-13 06-05-13 08-22-13 11-21-13 Gross Beta 4.2 +/- 0.5 H-3 < 141 < 138 < 150 < 156 Mn-54 <2.1 < 2.1 < 3.2 < 3.0 Fe-59 < 3.6 < 4.0 < 4.4 <6.1 Co-58 < 2.6 < 2.1 < 3.3 < 2.7 Co-60 < 2.1 < 1.9 < 2.0

• 2.7 Zn-65 < 5.5 < 3.5 < 3.1 <6.1 Nb-95 < 3.1 < 2.8 < 3.6 < 3.9 Zr-95 < 3.6 < 3.7 < 4.3 < 5.5 1-131 < 6.4 < 11.4 < 9.8 < 7.5 Cs-1 34 < 2.2 < 2.1

• 2.8 < 3.5 Cs-137 < 1.7 < 3.3 < 2.9 *3.1 Ba-140 < 17.1 < 21.5 < 18.8 < 15.9 La-140 < 2.2 < 3.8 < 5.7 < 3.6 Location D-72(C) Van Note Farm Lab Code DWW- 775 DWW- 3099 DWW- 5039 DWW- 7189 Date Collected 02-25-13 06-05-13 08-22-13 11-21-13 Gross Beta 0.1 +/- 0.3 H-3 < 141 < 138 < 150 < 156 Mn-54 < 3.7 < 2.5 < 3.3 < 2.1 Fe-59 < 4.8 < 3.8 < 2.8 < 5.1 Co-58 < 1.6 < 1.9 < 2.0 < 1.5 Co-60 < 1.8 < 2.3 < 2.8 < 1.5 Zn-65 < 3.3 < 4.6 < 5.4 < 2.3 Nb-95 < 2.2 < 2.9 < 3.7 < 2.4 Zr-95 < 5.9 < 3.5 < 2.4 < 3.0 1-131 < 6.3 < 9.3 < 10.3 < 8.6 Cs-134 < 2.2 < 1.9 < 2.8 < 2.7 Cs-137 < 2.5 < 2.5 < 2.8 < 3.0 Ba-140 < 12.9 < 16.0 < 25.2 < 20.6 La-140 < 4.3 < 5.3 < 3.9 < 3.3 13-3

Table 14. Vegetation (broadleaf), analyses for iodine-131 and other gamma-emitting isotopes.

Collection: Annually Units: pCi/g wet Location D-40 D-118 D-118 Lab Code DVE- 4498 DYE- 4952 DVE- 6600 Date Collected 08-02-13 08-20-13 10-22-13 Sample Type Broadleaf Cabbage Cabbage K-40 4.95 +/- 0.44 2.09 +/- 0.18 2.07 +/- 0.21 Mn-54 < 0.014 < 0.005 < 0.005 Fe-59 < 0.027 < 0.018 < 0.012 Co-58 < 0.011 < 0.007 < 0.007 Co-60 < 0.013 < 0.007 < 0.005 Zn-65 < 0.033 < 0.009 < 0.010 Nb-95 < 0.018 < 0.005 < 0.009 Zr-95 < 0.028 < 0.008 < 0.009 Ru-103 < 0.021 < 0.005 < 0.009 Ru-106 < 0.14 < 0.044 < 0.052 1-131 < 0.030 < 0.014 < 0.013 Cs-134 < 0.017 < 0.007 < 0.007 Cs-137 < 0.013 < 0.007 < 0.004 Ce-141 < 0.031 < 0.013 < 0.012 Ce-144 < 0.095 < 0.058 < 0.061 14-1

Table 15. Vegetation (hay and grain), analyses for gamma-emitting isotopes.

Collection: Annually Units: pCi/g wet Location D-16 D-57 D-57 D-57 D-109 Lab Code DVE- 3936 DyE- 3937 DVE- 5638 DVE- 6599 DVE- 6601 Date Collected 07-10-13 07-10-13 09-23-13 10-22-13 10-22-13 Sample Type Wheat Wheat Hay Corn Corn K-40 4.81 +/- 0.47 7.28 +/- 0.74 4.15 +/- 0.33 2.60 +/- 0.21 2.11 +/- 0.29 Mn-54 < 0.018 < 0.032 < 0.011 < 0.006 < 0.009 Fe-59 < 0.023 < 0.063 < 0.016 < 0.015 < 0.009 Co-58 < 0.018 < 0.017 < 0.008 < 0.006 < 0.008 Co-60 < 0.013 < 0.023 < 0.010 < 0.006 < 0.003 Zn-65 < 0.035 < 0.031 < 0.021 < 0.009 < 0.006 Nb-95 < 0.015 < 0.019 < 0.017 < 0.006 < 0.007 Zr-95 < 0.022 < 0.051 < 0.018 < 0.011 < 0.019 Ru-103 < 0.020 < 0.033 < 0.013 < 0.007 < 0.005 Ru-106 < 0.19 < 0.20 < 0.12 < 0.038 < 0.13 1-131 < 0.042 < 0.053 < 0.019 < 0.014 < 0.014 Cs-134 < 0.012 < 0.021 < 0.009 < 0.008 < 0.010 Cs-137 < 0.020 < 0.031 < 0.015 < 0.006 < 0.011 Ce-141 < 0.036 < 0.053 < 0.015 < 0.017 < 0.018 Ce-144 < 0.15 < 0.19 < 0.10 < 0.057 < 0.078 Control Location D-110 D-110 D-138 D-138 Lab Code DVE- 6595 DVE- 6596 DVE- 5640 DVE- 6597 Date Collected 10-22-13 10-22-13 09-23-13 10-22-13 Sample Type Corn Beans Hay Corn K-40 3.02 +/- 0.29 16.31 +/- 0.60 11.35 +/- 0.53 2.46 +/- 0.22 Mn-54 < 0.008 < 0.008 < 0.010 < 0.009 Fe-59 < 0.011 < 0.018 < 0.026 < 0.018 Co-58 < 0.007 < 0.013 < 0.008 < 0.008 Co-60 < 0.009 < 0.008 < 0.014 < 0.007 Zn-65 < 0.009 < 0.026 < 0.031 < 0.008 Nb-95 < 0.013 < 0.014 < 0.014 < 0.006 Zr-95 < 0.015 < 0.026 < 0.024 < 0.008 Ru-103 < 0.011 < 0.013 < 0.012 < 0.009 Ru-106 < 0.089 < 0.064 < 0.12 < 0.066 1-131 < 0.018 < 0.018 < 0.019 < 0.013 Cs-134 < 0.010 < 0.013 < 0.012 < 0.008 Cs-137 < 0.010 < 0.009 < 0.012 < 0.007 Ce-141 < 0.011 < 0.026 < 0.018 < 0.011 Ce-144 < 0.067 < 0.093 < 0.089 < 0.042 15-1

Table 16. Surface water samples, analyses for iodine-131, tritium and gamma-emitting isotopes.

Collection: Monthly Units: pCi/L Location: D-49 Lab Code DSW- 168 DSW- 500 DSW- 1258 DSW- 1913 DSW- 2762 DSW- 3461 Date Collected 01-14-13 02-05-13 03-21-13 04-19-13 05-24-13 06-20-13 H-3 < 138 < 136 < 146 < 183 < 188 < 197 1-13.1 (Chemistry) < 0.6 < 0.5 < 0.4 < 0.3 < 0.4 < 0.3 Mn-54 < 3.0 < 3.8 < 2.3 < 3.8 <2.1 < 2.7 Fe-59 < 3.5 < 4.2 < 3.9 < 6.8 < 5.0 < 3.5 Co-58 < 2.4 < 4.7 < 3.4 < 3.9 < 1.7 < 1.3 Co-60 < 2.6 < 2.2 < 3.2 < 3.9 < 2.4 < 3.1 Zn-65 < 5.8 < 4.8 < 4.2 < 6.4 < 3.4 < 1.9 Nb-95 < 1.8 < 4.4 < 2.7 < 2.7 < 2.1 < 2.1 Zr-95 <4.0 < 6.6 < 4.2 < 6.5 < 3.8 < 5.0 1-131 < 5.9 < 3.6 < 6.8 < 6.4 < 6.8 < 3.9 Cs-1 34 < 3.3 < 4.0 < 2.8 < 4.7 < 2.6 < 3.2 Cs-1 37 < 4.4 < 4.3 < 3.1 < 4.5 < 2.9 < 4.2 Ba-140 < 12.0 < 10.7 < 14.6 < 24.5 < 14.3 < 11.5 La-1 40 < 2.2 < 2.6 < 3.4 < 4.4 < 3.1 < 1.7 Lab Code DSW- 4139 DSW- 4947 DSW- 5513 DSW- 6322 DSW- 7127 DSW- 7600 Date Collected 07-17-13 08-20-13 09-17-13 10-16-13 11-19-13 12-19-13 H-3 < 156 < 153 < 151 < 147 < 149 < 158 1-131 (Chemistry) < 0.2 < 0.3 < 0.3 < 0.2 < 0.2 < 0.4 Mn-54 < 2.9 < 2.0 < 3.2 < 3.8 < 2.8 < 2.4 Fe-59 < 2.5 < 3.7 < 6.9 < 4.3 <3.1 < 5.9 Co-58 <2.3 < 1.7 < 1.6 < 2.6 < 2.4 < 2.9 Co-60 < 1.7 < 2.3 < 3.3 < 3.1 < 2.3 < 2.5 Zn-65 < 2.8 < 1.5 < 3.6 < 7.3 <4.1 < 4.8 Nb-95 < 3.3 < 2.5 < 2.2 < 6.2 < 3.2 < 3.4 Zr-95 < 3.5 < 2.9 < 6.4 < 6.6 < 4.0 < 4.4 1-131 < 4.7 < 3.6 < 4.8 < 4.7 <5.1 < 6.8 Cs-134 < 2.7 < 2.4 < 3.3 < 4.8 < 3.8 < 3.4 Cs-137 < 3.1 < 2.8 < 4.2 < 2.2 < 3.4 < 2.3 Ba-140 < 9.2 < 10.7 < 12.6 < 21.3 < 8.8 < 15.3 La-140 < 1.5 < 1.2 < 3.0 < 2.9 < 1.8 < 2.8 16-1

Table 16. Surface water samples, analyses for tritium and gamma-emitting isotopes.

Collection: Monthly Units: pCi/L Location: D-50 Lab Code DSW- 169 DSW- 501 DSW- 1259 DSW- 1914 DSW- 2763 DSW- 3462 Date Collected 01-14-13 02-05-13 03-21-13 04-19-13 05-24-13 06-20-13 H-3 < 138 < 136 < 146 < 183 < 188 < 197 Mn-54 < 2.7 < 2.6 < 3.0 < 2.7 < 2.8 < 1.4 Fe-59 < 2.7 < 4.9 < 6.0 < 4.5 < 2.8 < 3.5 Co-58 < 1.8 < 3.0 < 1.7 < 3.3 < 2.9 < 2.0 Co-60 < 2.0 < 2.6 < 2.5 < 3.2 < 2.2 < 3.1 Zn-65 < 5.2 < 3.8 < 5.4 < 2.7 < 2.7 < 4.6 Nb-95 < 1.4 < 2.1 < 4.0 < 1.9 < 1.8 < 2.4 Zr-95 <4.5 < 4.6 < 4.7 < 5.6 < 3.5 < 4.4 1-131 < 3.4 < 5.8 < 3.6 < 6.1 < 4.2 < 5.7 Cs-1 34 < 2.6 < 3.7 < 2.2 < 2.1 < 2.3 < 2.0 Cs-1 37 < 2.6 < 3.8 <2.1 < 3.5 < 3.2 < 2.9 Ba-1 40 < 5.8 < 16.3 < 13.9 < 20.3 < 16.1 < 13.0 La-140 < 2.7 < 2.6 < 2.4 < 4.5 < 1.6 < 2.1 Lab Code DSW- 4140 DSW- 4948 DSW- 5514 DSW- 6323 DSW- 7128 DSW- 7602 Date Collected 07-17-13 08-20-13 09-17-13 10-16-13 11-19-13 12-19-13 H-3 < 156 < 153 < 151 < 147 < 149 < 158 Mn-54 < 2.0 < 2.9 < 1.9 < 2.4 < 2.1 < 2.4 Fe-59 < 3.4 < 2.4 < 4.0 <4.5 < 4.3 < 5.0 Co-58 < 2.1 < 2.3 < 3.2 < 3.3 < 1.5 < 2.3 Co-60 < 1.8 < 2.0 < 2.0 < 1.8 < 1.8 < 1.4 Zn-65 < 4.7 < 4.0 < 5.1 < 8.1 < 4.8 < 5.0 Nb-95 < 2.4 < 3.4 < 3.9 < 1.8 < 3.0 < 2.0 Zr-95 < 3.2 < 3.3 < 3.6 < 7.5 < 3.8 < 6.1 1-131 <4.9 < 6.3 < 3.1 < 3.4 < 5.2 < 5.0 Cs-1 34 < 3.0 < 3.3 < 3.2 < 3.8 < 2.9 < 2.9 Cs-1 37 < 3.4 < 2.0 < 3.3 < 3.2 < 2.8 < 3.5 Ba-140 < 17.1 < 10.1 < 13.3 < 10.5 < 8.8 < 16.3 La-140 <2.3 < 2.3 < 1.4 <2.1 < 2.3 < 3.0 16-2

Table 16. Surface water samples, analyses for tritium and gamma-emitting isotopes.

Collection: Monthly Units: pCi/L Location: D-51 Lab Code DSW- 170 DSW- 502 DSW- 1260 DSW- 1915 DSW- 2764 DSW- 3463 Date Collected 01-14-13 02-05-13 03-21-13 04-19-13 05-24-13 06-20-13 H-3 < 138

• 136 < 146 < 183 < 188 < 197 Mn-54 *3.1 < 2.8 < 2.3 < 3.1 < 1.5

• 2.4 Fe-59 < 5.3 < 4.0 < 4.0 *5.1 < 2.0 < 5.8 Co-58 < 2.4 < 1.9 < 2.3 < 2.0 <2.1 < 2.4 Co-60 < 3.4 < 2.7 < 2.4 < 2.4 < 1.8 < 1.7 Zn-65 < 5.2 < 3.1 < 3.2 < 2.7 <4.8 < 3.0 Nb-95 < 2.8

• 2.8 < 2.4 < 3.0 <2.1

• 3.1 Zr-95 < 7.5 < 3.6 < 5.2 < 4.7 < 2.4 < 2.8 1-131 < 5.9 < 4.0 < 4.4 < 4.9 < 5.0 < 3.6 Cs-1 34 < 3.3

• 3.1

• 2.8 < 2.7 < 2.9 < 2.6 Cs-1 37 < 3.7 < 2.0

• 2.9

• 3.2 < 3.5 < 2.5 Ba-140 < 16.3 < 12.6 < 12.0 < 9.1 < 9.7 < 10.2 La-1 40 <4.6 < 2.2 < 1.8 < 2.9 <4.3 < 1.7 Lab Code DSW- 4141 DSW- 4949 DSW- 5515 DSW- 6324 DSW- 7129 DSW- 7603 Date Collected 07-17-13 08-20-13 09-17-13 10-16-13 11-19-13 12-19-13 H-3 < 156 < 153 < 151 < 147 < 149 < 158 Mn-54 < 2.4 < 2.7

• 3.0 < 2.7 < 2.3 < 2.3 Fe-59

• 3.8 < 3.7 < 5.1 <4.1 < 3.2 <4.1 Co-58 < 1.5 < 1.5

• 1.6

• 3.2 < 2.4 < 2.7 Co-60 < 2.0 < 2.7 < 2.0 < 3.4 < 1.1 < 1.8 Zn-65 < 2.6 < 5.0 < 4.3 < 5.0 < 3.3 < 6.3 Nb-95 < 2.6 < 3.4 < 3.4

• 2.0 < 3.2

• 2.3 Zr-95 < 4.7

• 5.2 < 5.1 < 3.3 < 3.9 < 6.5 1-131 < 4.5 < 5.0 < 3.4 < 4.2 < 3.7 < 3.5 Cs-1 34 < 2.4 < 2.1 < 3.4 < 3.5 < 2.8 < 2.5 Cs-1 37 < 3.5 < 3.6 < 3.3 < 2.9 < 2.1 < 3.0 Ba-140 < 18.2 < 17.0 < 11.4 < 15.2 < 11.9 < 11.3 La-1 40 < 2.0

• 3.6

• 3.0 < 3.0 < 3.6 < 4.8 16-3

Table 16. Surface water samples, analyses for iodine-1 31, tritium and gamma-emitting isotopes.

Collection: Monthly Units: pCi/L Location: D-61 Lab Code DSW- 171 DSW- 503 DSW- 1261 DSW- 1916 DSW- 2765 DSW- 3464 Date Collected 01-14-13 02-05-13 03-21-13 04-19-13 05-24-13 06-20-13 H-3 < 138

• 136 < 146 < 183 < 141 < 197 1-131 (Chemistry) < 0.5 < 0.4 <0.5 < 0.4 < 0.4 <0.2 Mn-54 < 2.7

• 2.3 < 2.8 < 3.9 < 2.0 < 2.6 Fe-59 <4.8 < 2.9 < 5.4 < 5.6 < 2.6 < 3.2 Co-58

• 3.2 < 2.4 < 3.0 < 4.0 < 2.3 < 1.9 Co-60 < 2.4

• 3.0 < 2.4 < 3.0 < 2.0 < 2.6 Zn-65 < 4.0 < 4.0 <4.0 < 3.7 <2.1 < 4.3 Nb-95 < 2.3 < 3.3 < 2.3 < 3.5 < 1.7 < 2.7 Zr-95 < 3.7 < 4.4 < 3.9 < 8.0 < 5.4 <4.1 1-131 < 4.6 < 3.2 < 5.8 < 5.7 < 4.2 < 4.9 Cs-134 < 2.3 < 2.6 < 1.7 <4.1 < 2.0 < 2.3 Cs-1 37 < 2.9 < 2.9 < 2.9 < 2.9 < 2.8 < 3.1 Ba-140 < 13.8 < 12.2 < 13.0 < 15.1 < 11.5 < 11.1 La-140 < 1.5 < 2.1 < 2.4 < 4.7 < 1.0 < 2.4 Lab Code DSW- 4142 DSW- 4950 DSW- 5516 DSW- 6326 DSW- 7130 DSW- 7604 Date Collected 07-17-13 08-20-13 09-17-13 10-16-13 11-19-13 12-19-13 H-3 < 156 < 153 < 151 < 147 < 149 < 158 1-131 (Chemistry) < 0.2 < 0.4 < 0.3 <0.2 < 0.2 < 0.4 Mn-54 <2.3 < 1.8 < 2.6 < 3.0 < 2.4 < 2.2 Fe-59 < 1.9 <4.1 < 4.3 < 3.3 <4.8 < 3.4 Co-58 < 2.0 < 3.5 < 1.3 < 2.7 < 1.5 < 2.0 Co-60 < 2.3 < 2.7 < 1.8 < 2.4 < 2.4 < 1.1 Zn-65 < 3.0 < 6.3 < 3.5 < 2.0 < 3.1 < 3.0 Nb-95 < 2.9 < 2.4 < 2.1 < 3.2 < 2.8 < 2.4 Zr-95 < 3.5 < 6.0 < 3.8 < 5.2 < 5.9 <4.1 1-131 < 4.5 < 4.3 < 2.6 < 3.1 < 3.2 < 4.3 Cs-1 34 < 2.3 < 2.9 < 2.9 < 3.0 < 2.7 < 2.5 Cs-I 37 < 2.8 < 3.9 < 3.2 < 2.7 < 3.3 < 3.1 Ba-140 < 12.2 < 15.1 < 12.6 < 13.1 < 8.4 < 11.9 La-140 < 1.6 < 3.4 < 2.2 < 2.0 < 2.7 < 1.2 16-4

Table 16. Surface water samples, analyses for tritium and gamma-emitting isotopes.

Collection: Monthly Units: pCi/L Location: D-99 Lab Code DSW- 172 DSW- 504 DSW- 1262 DSW- 1917 DSW- 2766 DSW- 3465 Date Collected 01-14-13 02-05-13 03-21-13 04-19-13 05-24-13 06-20-13 H-3 < 138 < 136 < 146 < 183 < 188 < 197 Mn-54 < 2.3 < 1.5 < 3.3 < 2.8 < 2.2 < 1.9 Fe-59

• 5.6 <4.5 < 6.0

• 5.6 <4.5 < 3.6 Co-58

• 2.2

• 1.5

• 3.0 < 3.0 < 1.6 < 1.8 Co-60 < 2.9 < 2.4 < 2.9 < 1.7 < 1.8 < 3.4 Zn-65

• 5.8 < 2.6 < 8.4 < 2.1 <5.1 <4.1 Nb-95 < 3.4 < 2.9 < 4.0 < 3.1 < 3.3 < 2.0 Zr-95 < 3.4 < 4.6 < 5.1 < 5.9 < 2.8 < 3.4 1-131 <6.1 < 3.5 < 7.0 < 5.5 <4.0 < 5.3 Cs-1 34

• 2.5 < 1.9 < 3.8 < 2.3 < 2.4 < 3.1 Cs-1 37

• 3.2 < 2.3 < 3.2 < 3.3 < 3.6 < 3.6 Ba-140 < 14.4 < 9.6 < 19.2 < 11.2 < 11.2 < 14.9 La-1 40 < 1.9 < 2.0 < 5.3 < 2.8 < 4.0 < 3.2 Lab Code DSW- 4143 DSW- 4951 DSW- 5517 DSW- 6327 DSW- 7131 DSW- 7605 Date Collected 07-17-13 08-20-13 09-17-13 10-16-13 11-19-13 12-19-13 H-3 < 156 < 153 < 151 < 147 < 149 < 158 Mn-54 < 2.0 < 1.9 < 3.4 < 2.1 < 3.3 < 3.0 Fe-59 < 4.6 < 2.6 < 4.6 < 4.3 < 2.5 < 6.7 Co-58 < 2.9 < 2.6 < 1.8 < 3.7 < 2.1 < 4.3 Co-60 < 2.4 < 1.3 < 3.8 < 3.3 < 1.4 < 5.2 Zn-65 < 4.0 < 4.5 < 5.4 < 3.4 < 5.2 < 6.8 Nb-95 < 2.7 < 3.7 < 2.4 < 2.2 < 2.0 < 2.3 Zr-95 < 3.7 < 4.5 < 5.6 < 5.6 < 3.2 < 4.5 1-131 < 3.7 <6.1 < 5.1 < 4.9 < 4.0 < 9.0 Cs-1 34 < 2.7 < 3.3 < 2.4 < 4.3 < 2.6 <4.1 Cs-1 37 < 3.4 < 2.2 <4.1 < 3.7 < 2.7 < 2.0 Ba-140 < 8.6 < 7.6 < 12.4 < 13.3 < 9.1 < 21.0 La-1 4.0 < 2.4 < 1.5 < 4.3 < 4.4 < 1.2 < 2.9 16-5

Table 17. Surface water, analysis for strontium.

Collection: Quarterly composites of monthly samples.

Units: pCi/L Location D-49 Period 1st Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.

Lab Code DSW-1 280 DSW-3490 DSW-5590 DSW-761 1 Sr-89 < 0.60 < 0.83 < 0.38 < 0.69 Sr-90 < 0.45 < 0.78 < 0.57 < 0.51 Location D-61 Period 1st Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.

Lab Code DSW-1 281 DSW-3491 DSW-5591 DSW-7612 Sr-89 < 0.72 < 0.71 < 0.34 < 0.68 Sr-90 < 0.56 < 0.61 < 0.51 < 0.55 17-1

Table 18. Fish, analyses of edible portion for gamma-emitting isotopes.

Collection: Semiannually Units: pCi/g wet Location Unstream. D-49 Lab Code DF- 4107 DF- 4108 DF- 6027 DF- 6028 Date Collected 06-25-13 06-25-13 09-27-13 09-27-13 Sample Type Cyprinus Carpio Carpiodes Sp. Redhorse Carpsucker K-40 3.23 +/- 0.39 2.87 +/- 0.37 3.78 +/- 0.40 3.69 +/- 0.41 Mn-54 < 0.012 < 0.012 < 0.011 < 0.009 Fe-59 < 0.050 < 0.034 < 0.028 < 0.032 Co-58 < 0.010 < 0.013 < 0.014 < 0.008 Co-60 < 0.011 < 0.008 < 0.004 < 0.012 Zn-65 < 0.018 < 0.024 < 0.026 < 0.021 Nb-95 < 0.029 < 0.020 < 0.027 < 0.019 Zr-95 < 0.029 < 0.020 < 0.033 < 0.012 Ru-103 < 0.030 < 0.024 < 0.015 < 0.011 Ru-106 < 0.14 < 0.14 < 0.099 < 0.11 Cs-134 < 0.011 < 0.011 < 0.015 < 0.016 Cs-1 37 < 0.018 < 0.014 < 0.013 < 0.008 Ce-141 < 0.035 < 0.023 < 0.045 < 0.042 Ce-144 < 0.13 < 0.071 < 0.083 < 0.082 Location Downstream, D-61 Lab Code DF- 4109 DF- 4110 DF- 6029 DF- 6030 Date Collected 06-25-13 06-25-13 09-27-13 09-27-13 Sample Type Ictiobus Sp. Carpiodes Sp. Carp Carpsucker K-40 2.99 +/- 0.40 3.18 +/- 0.39 2.90 +/- 0.36 3.70 +/- 0.39 Mn-54 < 0.016 < 0.016 < 0.018 < 0.014 Fe-59 < 0.041 < 0.038 < 0.034 < 0.044 Co-58 < 0.011 < 0.017 < 0.022 < 0.017 Co-60 < 0.012 < 0.011 < 0.010 < 0.010 Zn-65 < 0.034 < 0.017 < 0.018 < 0.020 Nb-95 < 0.028 < 0.025 < 0.031 < 0.030 Zr-95 < 0.020 < 0.016 < 0.022 < 0.034 Ru-1 03 < 0.020 < 0.015 < 0.028 < 0.019 Ru-106 < 0.14 < 0.10 < 0.13 < 0.10 Cs-134 < 0.015 < 0.012 < 0.016 < 0.015 Cs-1 37 < 0.019 < 0.013 < 0.010 < 0.011 Ce-141 < 0.058 < 0.043 < 0.040 < 0.045 Ce-144 < 0.14 < 0.078 < 0.11 < 0.13 18-1

Table 19. River sediment, analysis for gamma-emitting isotopes.

Collection: Semiannually Units: pCi/g dry Location D-50 (Plant Intake. Controll Lab Code DBS- 3378 DBS- 6038 Date Collected 06-17-13 10-07-13 K-40 7.73 +/- 0.43 7.21 +/- 0.42 Mn-54 < 0.016 < 0.007 Fe-59 < 0.042 < 0.021 Co-58 < 0.015 < 0.012 Co-60 < 0.011 < 0.005 Zn-65 < 0.032 < 0.024 Nb-95 < 0.019 < 0.018 Zr-95 < 0.021 < 0.020 Ru-103 < 0.018 < 0.015 Ru-1 06 < 0.12 < 0.10 Cs-1 34 < 0.009 < 0.010 Cs-1 37 < 0.014 < 0.010 Ce-141 < 0.036 < 0.026 Ce-144 < 0.097 < 0.056 Location D-51 (Discharge)

Lab Code DBS- 3379 DBS- 6039 Date Collected 06-17-13 10-07-13 K-40 8.51 +/- 0.46 7.47 +/- 0.42 Mn-54 < 0.015 < 0.014 Fe-59 < 0.043 < 0.051 Co-58 < 0.019 < 0.012 Co-60 < 0.013 < 0.008 Zn-65 < 0.030 < 0.030 Nb-95 < 0.015 < 0.013 Zr-95 < 0.036 < 0.032 Ru-1 03 < 0.017 < 0.015 Ru-1 06 < 0.066 < 0.073 Cs-134 < 0.012 < 0.009 Cs-137 < 0.016 < 0.006 Ce-141 < 0.044 < 0.041 Ce-144 < 0.075 < 0.073 19-1

Table 19. River sediment, analysis for gamma-emitting isotopes.

Collection: Semiannually Units: pCi/g dry Location D-107A (On-site, North Drainage Ditch)

Lab Code DBS- 3380 DBS- 6040 Date Collected 06-17-13 10-07-13 K-40 4.80 +/- 0.40 6.11 +/- 0.37 Mn-54 < 0.017 < 0.014 Fe-59 < 0.056 < 0.040 Co-58 < 0.018 < 0.013 Co-60 0.027 +/- 0.014 * < 0.006 Zn-65 < 0.038 < 0.027 Nb-95 < 0.040 < 0.029 Zr-95 < 0.025 < 0.025 Ru-1 03 < 0.027 < 0.020 Ru-1 06 < 0.16 < 0.066 Cs-i 34 < 0.015 < 0.008 Cs-137 < 0.017 < 0.012 Ce-141 < 0.051 < 0.044 Ce-144 < 0.082 < 0.052 19-2