ML071080303

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Annual Radioactive Environmental Report for the Period of January 1, 2006 - December 31, 2006
ML071080303
Person / Time
Site: Big Rock Point  File:Consumers Energy icon.png
Issue date: 04/11/2007
From: Haas K
Consumers Energy
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML071080303 (56)
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Consunws Enem A CMS Energy Company Big Rock Point Nuclear Plant Kurt M. Haas 10269 US-31 North General Manager Charlevoix, M1 49720 April 11, 2007 10 CFR 50, Appendix I, IV.B.2 10 CFR 50, Appendix I, IV.B.3 10 CFR 50, Appendix I, IV.C 10 CFR 50.36(b)

U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 DOCKETS 50-155 AND 72-043 - LICENSE DPR BIG ROCK POINT PLANT -

ANNUAL RADIOACTIVE ENVIRONMENTAL REPORT FOR THE PERIOD OF JANUARY 1, 2006 - DECEMBER 31, 2006 In accordance with the Big Rock Point Defueled Technical Specifications Section 6.6.2, attached (Attachment 1) is the Annual Radioactive Environmental Report for the period of January 1, 2006 to December 31, 2006. This report includes summaries, interpretations, and statistical evaluation of the results of the Radiological Environmental Monitoring Program for the reporting period. The material provided is consistent with the objectives outlined in the Offsite Dose Calculation Manual and Sections IV.B.2, IV.B.3, and IV.C Appendix 1 10 CFR 50 and 10 CFR 50.36(b).

Kurt M. Haas Site General Manager cc:

Administrator, Region III, USNRC NRC Decommissioning Inspector, Big Rock Point NRC NMSS Project Manager - James Shepherd US Army Corp of Engineers - Detroit District ATTACHMENT

-.t ATTACHMENT 1 Big Rock Point Dockets 50-155 and 72-043 April 11, 2007 BIG ROCK POINT RADIOACTIVE ENVIRONMENTAL REPORT January 1, 2006 - December 31, 2006 54 pages

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 I. Introduction The 2006 Big Rock Point Annual Radiological Environmental Operating Report provides a summary and data interpretation of the Big Rock Point Radiological Environmental Monitoring Program (REMP) as conducted during the 2006 reporting period. Reporting requirements are detailed in the Big Rock Point Defueled Technical Specifications 6.7.2, and Offsite Dose Calculation Manual (ODCM)Section III, Subsection 2.0.

The Big Rock Point Nuclear Plant ceased power operations in August 1997.

During 2006 site decommissioning activities were completed. Activities included final removal of all underground structures and utilities, demobilization of all remaining site equipment, facilities and personnel. Open land areas were backfilled, contoured and seeded. The concluding site activity was the Final Status Survey which concluded that the former Big Rock Point Nuclear Plant met the radiological criteria for unrestricted use in accordance with 10 CFR 20.14021.

Big Rock Point's Defueled Technical Specifications no longer contain requirements for the REMP; rather, this program is now contained in the Big Rock Point ODCM Section II1. The radiological environmental monitoring sampling requirements are greatly reduced when compared to the plant's operating period. A land use census is no longer required for Big Rock Point.

Use of an assumed garden and milk animal at the site boundary in the downwind sector of highest D/Q, per ODCM Section II, Table 1.4, is conservative with respect to any actual garden and milk locations.

Tables 1, 2 and 3 provide a summary of 2006 BRP REMP sample requirements and results. Detailed sample station identification and location information can be found in Enclosure B. Well water, lake water intake/discharge, sediment, and fish samples were evaluated using data means comparisons against an appropriate control location (if available) and BRP ODCM limits. There are no remaining 2006 laboratory sample analyses pending completion for inclusion into this report.

1 Letter from the US NRC dated January 8, 2007, Release of land from Part 50 License for Unrestricted Use

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 The 2006 BRP ISFSI dry fuel storage facility environmental monitoring requirements pursuant to 10 CFR Part 72.44(d)(3) were submitted to the NRC in a letter dated February 2, 2007.

I1.

Discussion and Interpretation of Results A. TLDs - Gamma Dose The Big Rock Point gamma dose assessment program consists of 13 TLD locations: four on-site TLDs (locations 1-ST, 14-G, 15-H, and 17-K), six site boundary TLDs (locations 9-A, 10-B, 11-C, 12-D, 13-F, 16-J), and three control TLDs, 10.5 to 50 miles out, (locations 5-PT, 6-BC, 7-TR).

Environmental gamma doses are measured quarterly and annually by placement of two TLD badges per designated location. Enclosure B provides a description and diagrams for TLD locations.

For 2006 the average quarterly gamma readings were:

12.4 millirem for the onsite TLDs; 11.9 millirem for the site boundary TLDs, and 15.6 millirem for the control TLD locations.

The average of the annual gamma readings in 2006 were:

46.6 millirem for the onsite TLDs, 43.8 millirem for the site boundary TLDs, and 56.2millirem for the control TLD locations.

The onsite quarterly TLD mean and the onsite annual TLD mean measured in 2006 are less than that of 2005; this is due to completion of plant decommissioning activities and the removal of the last remaining source term. Site boundary and offsite control TLDs are consistent with 2005 Annual Radiological Environmental Operating Report and historical data.

A statistical evaluation was completed comparing 2006 offsite control TLD data to site boundary TLD data. The site boundary TLD mean, although lower than the offsite control mean, is not statistically different than the offsite control TLD mean.

Each TLD badge contains a 4-zone CaSO 4 phosphor wafer (the wafer also includes an additional backup/reserve read-out zone). Sensitivity for the multi-zone TLDs are 1.0 millirem with a linear response to 1000 rem.

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 B. Air Samples The Big Rock Point Radiological Environmental Monitoring Program no longer requires airborne surveillance be conducted.

C. Milk The Big Rock Point Radiological Environmental Monitoring Program no longer requires milk samples be collected.

D. Lake Water The site did not withdraw any lake water during 2006 and no liquid batch releases occurred during the reporting period, no lake water samples were required.

Groundwater and surface water from site dewatering activities is detained for sediment control during decommissioning activities. Sampling of this water prior to release for gamma isotopes and tritium is performed as a precautionary measure. All composite water sample analyses were less than established minimum detectable activity levels for gamma isotopes.

Composite sample tritium value is 1729 pCi/L for the retention pond releases in 2006. Precautionary sampling of the detained water during release is consistent with the ODCM requirement for semiannual lake water sample collection near the site (see Enclosure A).

E. Well Water The BRP ODCM requires semiannual sampling of the site drinking water well with analysis for tritium and gamma isotopes. A final well water sample was collected in May, shortly there after the well was abandoned in accordance with State of Michigan Department of Environmental Quality requirements. The analyses did not detect any tritium or gamma isotopes in the well water sample.

F. Groundwater Monitoring Wells Big Rock Point ODCM requires semiannual sampling of six site groundwater monitoring wells, with analysis for tritium and gamma isotopes. Big Rock Point had up to 22 monitoring wells available for sampling. Nine original groundwater monitoring wells were installed in 1994; additional monitoring wells were installed in 2002 and 2003 for the purpose of groundwater characterization. All available wells were sampled on a quarterly basis; however, decommissioning activities conducted during 2006 did render some of the monitoring wells unavailable for sampling.

Following required

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 sampling, all groundwater monitoring wells were abandoned in 2006 in accordance with the Big Rock Point License Termination Plan.

A total of 38 monitoring well samples were collected and analyzed in 2006.

All gamma isotopic results were less than detectable. Tritium was detected above the LLD in 10 of the samples at a mean of 1804 pCi/L. Historically MW-5 and MW-6 typically have shown the highest detectable tritium concentrations. The mean value for MW-5 and MW-6 is 1668 pCi/L, slightly lower than the 2005 corresponding mean value of 4850 pCi/L for the same well locations. All monitoring well samples collected in 2006 were below the reporting criteria of 20,000 pCi/L.

Each well water sample consists of a one-gallon grab sample. This sample is sent to Environmental Inc. Midwest Laboratory for analysis. No treatment of the water samples with a preservative is necessary.

G. Drinking Water Collection of drinking water samples, other than the plant's drinking water supply well (see Section E), is no longer required by the BRP Radiological Environmental Monitoring Program.

H. Crops The collection of food crops/vegetation samples is not required by the BRP Radiological Environmental Monitoring Program.

1. Sediment A total of six individual sediment samples were collected from four locations during 2006. Sediment samples locations are the lakeshore adjacent to the former discharge channel (1-ST), 1/4 mile south of discharge (24-STS), 1/4 mile north of discharge (25-STN), and the Ludington control station (26-LP, 115 miles SSW). The BRP ODCM requirement for sampling where clarified water enters the lake is met by sample collected adjacent to the former discharge location due to the proximity of these two locations (approximately 100 yard distance).

Evaluation of the sediment analytical results was based on data mean comparisons between the BRP samples and the Ludington control samples and the BRP ODCM reporting limits. Gross beta was detected in all six indicator samples with a mean value of 19.2 pCi/g. Cs-137 was detected in five indicator samples with a mean of 0.17 pCi/g. Co-60 was not detected in any of the indicator samples. Both Cs-137 and Co-60 levels continued to decrease during 2006, consistent with corresponding decommissioning

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 sediment analyses conducted in previous years (1997-2006). Neither Cs-137 nor Co-60 was detected in control samples.

No BRP ODCM reporting levels or action levels were exceeded during 2006.

Sediment samples are collected in one-liter quantities and obtained a few yards off-shore. No treatment of the samples with a preservative is necessary prior to shipment to Environmental Inc. Midwest Laboratory.

J. Fish The BRP Radiological Environmental Monitoring Program requires that either one fish or invertebrate (crayfish) sample is collected semi-annually at, the location where detained water enters the lake. Fish samples were collected from this location in June and September. Control samples were taken from the Ludington location. Radionuclide analyses results are listed in Table 2 for these samples. The September fish sample indicated the presence of Cs-1 37 at less than one-quarter of the required LLD. Gross beta, which originates primarily from naturally-occurring background radionuclides, is not required by the Big Rock Point ODCM for fish samples.

No BRP ODCM reporting levels were exceeded nor were any special or supplemental analyses required during 2006.

One liter quantities of frozen fish are sent to Environmental Inc. Midwest Laboratory for analysis.

K. Crayfish No crayfish samples were collected in 2006.

L. Aquatic Biota The collection/analysis of aquatic biota (algae and periphyton) is no longer required for the Big Rock Point Radiological Environmental Monitoring Program.

M. Broad Leaf Vegetation The collection/analysis of broad leaf vegetation is no longer required in the Big Rock Point Radiological Environmental Monitoring Program.

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 Ill.

Assessment of Big Rock Point's Operational Environmental Impact Review and comparison of the 2006 Big Rock Point radiological environmental monitoring data to previous operational and pre-operational data continues to show that all trending parameters analyzed support the conclusion that operation and decommissioning activities at the former Big Rock Point Nuclear plant have had minimal environmental impact. Additionally, 2006 Big Rock Point environmental monitoring data was incorporated into the Final Status Survey Report which demonstrated that the site met the requirements of 10 CFR 20.1402, Radiological Criteria for Unrestricted Use.

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 Table 1. Sampling and Analysis Summary Number of Samples Collected Medium Description Location(s)

TLD Continuous 1-ST, 5-PT, 6-BC, 7-TR, 9A-17K Lake Water Well Water Monitoring Wells b 1 gallon composite 1 gallon grab/composite 1 gallon grab 1 -ST Site Well MW 1-9 Type of Analysis Gamma isotopic

Tritium, Gamma isotopic
Tritium, Gamma isotopic
Tritium, Gamma isotopic Gamma Isotopic Gamma Isotopic 49 11 0

1 10 Frequency of Analysis Quarterly Annual a Semiannual Semiannual Semiannual Semiannual Semiannual Sediment Grab Grab 1-ST, 24-STS, 25-STN, 26-LP 1-ST Discharge 6

2 Fish c Table Notes a Only quarterly TLD's are required per Big Rock Point ODCM b Tritium and gamma isotopic analysis for a minimum of 6 monitoring wells, semi-annually c BRP ODCM requires one fish or crayfish sample semiannually

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 Table 2. Sample Data Summar. a Medium or Pathway Sampled (Units)

Analyses Evaluated Versus Total Number Analyses Performed Lower Limit of Detection (LLD) b All Indicator Locations Mean c (Range)

All Control Locations Mean '

(Range)

Nonroutine Measure-ments Direct Radiation:

TLD - Onsite (mR)

TLD (quarterly) d 25/28 1.0 1.0 13/16 TLD (annual) 2/4 2/4 12.4 (10.7-18.4) 46.6 (43.4-49.7) 11.9 (9.4-14.7) 43.8 (38.2-52.6) 12/12 3/3 15.6 (11.1-22.8) 56.2 (41.6-78) 15.6 (11.1-22.8) 56.2 (41.6-78)

None None None None TLD - Site Boundary (mR)

Waterbome:

Lake Water (pCi/L)

Well Water (pCi/L)

Groundwater Monitoring Wells (pCi/L)

TLD (quarterly) d 36/36 1.0 24/24 12/12 3/3 TLD (annual) 9/9 1.0 6/6 Sample not collected Tritium Gamma Isotopic 1/1 500.0 0/1 0/1 LLD LLD 1/1 15.0-30.0 N/A N/A N/A N/A N/A N/A N/A N/A None None None None Tritium 38/38 38/38 500.0 10/38 1804 (1095-3023)

Gamma Isotopic 15.0-30.0 0/38 LLD Lake Sediment.

Sediment (pCi/g dry)

Gross Beta 6/6 6/6 1.0 0.18 6/6 5/6 19.2 (10.8-26.3) 0.17 (0.03-0.30) 1/1 1/1 LLD LLD None None Cs-137

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 Table 2. Sample Data Summar. a Medium or Pathway Sampled (Units)

Analyses Evaluated Versus Total Number Analyses Performed Lower Limit All Indicator Locations All Control Locations of Detection Mean c Meanc (LLD) b (Range)

(Range)

Nonroutine Measure-ments Biota:

Fish e (pCi/g wet)

Crayfish e (pCi/g wet)

Gamma Isotopic 2/2 (Cs-137)

Samples not collected 0.15 1/2 0.032 NA 2/2 LLD None Table Notes:

a Values for sample locations with the greatest annual mean are provided in Table 3.

b Nominal LLD as defined in the Big Rock Point Offsite Dose Calculation Manual Section I, Table I.H-3 and vendor analytical capabilities.

c Mean and range data reported are based upon detectable measurements.

d Quarterly TLD results are normalized for 91 days net.

e Sample requirements are either one fish or invertebrate sample semiannually

Big Rock Point Annual Radiological Environmental Operating Report January to December 2006 Table 3. Reporting Results Greatest Mean Sampling Location Medium TLD - Onsite (mR)

TLD - Site Boundary (mR)

Lake Water (pCi/L)

Well Water (pCi/L)

Type of Analysis TLD (Quarterly) a TLD (Annual)

TLD (Quarterly) a TLD (Annual)

No sample collected Tritium Gamma Isotopic Tritium Gamma Isotopic Gross Beta Cs-1 37 Gamma Isotopic (Cs-1 37)

Location 17-K 17-K 12-E 12-E 18.4 12.7 Low 12.1 14.6 Mean 13.8 49.7 13.9 52.6 LLD LLD Groundwater Monitoring Wells (pCi/L)

MW-5 Near shoreline, North side LLD 3023 2719 2891 Sediment (pCi/g dry)

Fish b (pCi/g wet) 25-STN 1 -ST 22.56 0.30 20.08 0.03 21.32 0.16 0.03 1 -ST Crayfish b No samples collected (pCi/g wet)

Table Notes a Quarterly TLD results are normalized for 91 days net.

b Sample requirements are either one fish or invertebrate sample semiannually

Enclosures A. Sample Collection Anomalies B. Big Rock Point Environmental Sample Schedule and Sample Location Maps C. Radiological Environmental Monitoring Program Data as provided by Environmental, Inc. Midwest laboratory, Northbrook, IL.

D. Environmental, Inc. Midwest laboratory EPA Interlaboratory Comparison Program Results E. Data Graphs

1. Mean Quarterly TLDs, Big Rock Point 1997-2006
2. Groundwater Monitoring Well Mean Tritium Concentration, Big Rock Point 1997-2006
3. Sediment Mean Gross Beta, Big Rock Point 1997-2006
4. Sediment Mean Total Gamma Activity, Big Rock Point 1997-2006
5. Fish & Crayfish Mean Total Gamma Activity, Big Rock Point 1997-2006

Big Rock Point Annual Radiological Environmental Operation Report January through December 2006 Enclosure A: Sample Collection Anomalies

Enclosure A Sample Collection Anomalies Sample TVpe Affected Location Date TLD TLD TLD TLD TLD BRP-01 BRP-01 BRP-14 BRP-14 BRP-01 3 rd Quarter 3 rd Quarter 3 rd Quarter 3 rd Quarter 4 th Quarter Problem Description Quarterly TLD lost in field Annual TLD lost in field Quarterly TLD lost in field Annual TLD lost in field Evaluation TLD lost during building removal/demolition; remaining onsite TLD readings were utilized for analysis and were consistent with previous years data Same as above TLD lost during site restoration activities; remaining onsite TLD readings were utilized for analysis and were consistent with previous years data Same as above TLD was not placed in designated field location after loss of 3rd quarter TLD; remaining onsite TLD readings were utilized for analysis and were consistent with previous years data TLD not placed in field

Big Rock Point Annual Radiological Environmental Operation Report January through December 2006 Enclosure B: Big Rock Point Environmental Sample Schedule and Sample Location Maps

VOLUME 25 OFF-SITE DOSE CALCULATION MANUAL AND RELATED DOCUMENTS A. OFF-SITE DOSE CALCULATION MANUAL SECTION I - PROCEDURAL AND SURVEILLANCE REQUIREMENTS Revision 29 Page 19 of 63 TABLE 1-1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM Exposure Pathway and/or Sample

1. Direct Radiation b Number of Representative Samples and Sample Locations a 21 monitoring stations either with two or more TLDs or one instrument for measuring and recording dose rate continuously, placed as follows d:

a) Miscellaneous site locations (4) b) A ring of stations (6) at or near the Site boundary c) Balance of stations (3) placed to serve as control stations d) Outside perimeter of ISFSI (4)

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+

-+ A nrl rgan fjonta lin a Wa Sampling and Collection Frequency Quarterly Type and frequency of Analysis Gamma dose quarterly

2. Waterborne
a. Lake 1 sample near site Semiannual (grab)

Tritium and gamma isotopic d

b. Well (drinking) and I sample from Site well, if in use, and Semiannual (grab)

Tritium and gamma groundwater 1 sample from minimum of 6 monitor wells Semiannual (grab) isotopic semiannually monitoring wells

3. Biota
a. Marine 1 fish or invertebrate sample where clarified, Semiannual (grab)

Gamma Isotopic detained water enters lake Apr-Nov Semiannually

4. Lake Sediment
a. Shoreline 1 sample where clarified, detained water enters Semiannual (grab)

Gamma Isotopic lake Apr-Nov Semiannually

b. Shoreline 1 sample each side of 4.a (above), within ~-1/2 mile Semiannual (grab)

Gamma Isotopic Apr-Nov Semiannually 25-PartA.doc 02/09/06

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Big Rock Point Annual Radiological Environmental Operation Report January through December 2006 Enclosure C: Radiological Environmental Monitoring Program Data

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Environmental, Inc.

Midwest Laboratory an Allegheny Technologies Co.

700 Landwehr Road - Northbrook, IL 60062-2310 (847) 564-0700 fax (847) 564-4517 MONTHLY PROGRESS REPORT TO CONSUMERS ENERGY COMPANY JACKSON, MICHIGAN RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM (REMP)

FOR BIG ROCK NUCLEAR GENERATING PLANT PREPARED AND SUBMITTED BY ENVIRONMENTAL INCORPORATED MIDWEST LABORATORY Project Number: 8022 Reporting Period: January - December, 2006 Reviewed and Approved by _

Date 0(-26-2007 Distribution:

Kenneth E. Pallagi (1 copy)

BIG ROCK TABLE OF CONTENTS Section 1

.2 Appendices A

B C

List of Tables.........................................................................

III INTRO DUCTIO N.....................................................................

iv LISTING OF MISSED SAMPLES............................................

v Interlaboratory Comparison Program Results.........................

A-1 Data Reporting Conventions.........................

B-1 Special Analyses.....................................................................

C-1 ii

BIG ROCK LIST OF TABLES No.

Page

1.

Gamma Radiation, as measured by TLDs, Quarterly Exposure. 1-1

2.

Gamma Radiation, as measured by TLDs, Annual Exposure.... 2-1

3.

Lake Water, Inlet and Discharge 3-1

4.

W ater, Ludington Controls...........................................................

4-1

5.

W ell W ater....................................................................................

5-1

6.

Fish.............................................................................................. 6-1 7

Crayfish.......................................................................................

7-1

8.

Bottom Sedim ents.......................................................................

8-1

9.

Reactor Effluent Samples 9.1 Liquid Radwaste..........................................................................

9.1-1 9.2 Stack Filters.................................................................................

9.1-2 iii

BIG ROCK

1.0 INTRODUCTION

The following constitutes a final 2006 Progress Report for the Radiological Environmental Monitoring Program conducted at the Consumers Power Company, Big Rock Nuclear Generating Plant. Results of completed analyses are presented in the attached tables.

All concentrations, except gross alpha and gross beta, are decay corrected to the time of collection.

All samples were collected within the scheduled period unless noted otherwise in the Listing of Missed Samples.

iv

BIG ROCK 2.0 LISTING OF MISSED SAMPLES Expected Collection Sample Type Location Date Reason TLD BR-01 10-0 -03 TLD missing in field.

TLD BR-14 10O-06-03 TLD missing in field.

TLD (A)

BR-01 01-04-07 TLD missing in field.

TLD (A)

BR-14 01-04-07 TLD missing in field.

V

BIG ROCK Table 1. Gamma radiation, as measured by TLDs, quarterly exposure.

Units: mR/91 daysa Date Placed Date Removed Intransit (mR)

BRP-01 (ST) (Onsite)

BRP-05 (PT) (Control)

BRP-06 (BC) (Control)

BRP-07 (TR) (Control)

BRP-09 (Site Boundary)

BRP-10 (Site Boundary)

BRP-1 1 (Site Boundary)

BRP-12 (Site Boundary)

BRP-13 (Site Boundary)

BRP-14 (G) (Onsite)

BRP-15 (H) (Onsite)

BRP-16 (J) (Site Boundary)

BRP-17 (K) (Onsite)

BRP-18 (ISFSI-NW)

BRP-19 (ISFSI-SW)

BRP-20 (ISFSI-SE)

BRP-21 (ISFSI-NE)

BRP-22 (ISFSI-FNE)

BRP-23 (ISFSI-FSE)

BRP-24 (ISFSI-FSW)

BRP-25 (ISFSI-FNW) 1st Qtr.

01-05-06 04-06-06 1.3 +/- 0.3 11.6 +/- 0.6 11.1 +/-0.4 14.1 +/- 0.4 17.9 +/- 0.5 11.1 +/-0.3 10.5 +/- 0.4 12.4 +/- 0.4 12.7 +/- 0.6 11.4 +/- 0.4 14.4 +/- 0.7 11.3 +/- 0.5 9.4 +/- 0.4 18.4 +/- 0.5 9.7 +/- 0.4 12.2 +/- 0.5 13.3 +/- 0.6 10.1 +/- 0.5 15.7 +/- 0.4 33.5 +/- 1.2 18.1 +/- 0.7 15.7 +/- 0.5 2nd Qtr.

04-06-06 07-06-06 5.0 +/- 0.3 11.7 +/- 1.2 11.6 +/-0.4 13.4 +/- 0.8 19.8 +/- 0.8 11.2 +/- 0.5 10.1 +/- 0.5 12.2 +/- 0.6 13.6 +/- 1.0 12.2 + 0.6 11.3 +/-0.8 11.1 +/-0.4 9.6 +/- 0.5 12.1 +/-0.4 10.1 +/- 0.6 13.2 +/- 0.7 12.9 +/- 0.7 10.5 +/- 0.4 15.7 +/- 0.6 33.9 +/- 1.1 19.2 +/- 0.5 15.8 +/- 0.4 3rd Qtr.

07-06-06 10-06-06 1.8 +/- 0.3 NDb 12.0 +/- 0.5 14.4 +/- 0.5 22.0 +/- 0.7 12.0 +/- 0.4 10.9 +/- 0.6 13.7 +/- 0.4 14.7 +/- 0.4 12.7 +/- 0.6 NDb 10.7 +/- 0.5 9.9 +/- 0.4 12.1 +/- 0.4 10.1 +/- 0.5 13.8 +/- 0.5 14.4 +/- 0.8 10.8 +/- 0.5 16.5 +/- 0.8 33.6 +/- 1.3 18.6 +/- 0.6 15.8 +/- 0.5 6.1 +/-0.4 12.6 +/- 0.7 15.0 +/- 0.6 22.8 +/- 0.8 12.1 +/-0.5 11.2 +/-0.5 13.2 +/- 0.6 14.6 +/- 0.7 12.8 +/- 0.6 11.7 +/- 0.6 11.8 +/- 1.2 10.3 +/- 0.5 12.5 +/- 1.1 10.4 +/- 0.6 13.9 +/- 0.8 12.9 +/- 0.7 10.4 +/- 0.4 17.1 +/- 0.9 34.5 +/- 1.0 19.9,+/- 0.5 16.4 +/- 0.4 4th Qtr.

10-05-06 01-04-07 3.2 +/- 0.3 a Intransit exposure has been subtracted.

b,,ND,, = No data; TLD missing in field.

TLD not placed in field.

1-1

BIG ROCK Table 2. Gamma radiation, as measured by TLDs, annual exposure.

Units: mR/365 daysa Date Placed Date Removed Intransit (mR)

BRP-01 (ST) (Onsite)

BRP-05 (PT) (Control)

BRP-06 (BC) (Control)

BRP-07 (TR) (Control)

BRP-09 (Site Boundary)

BRP-10 (Site Boundary)

BRP-1 1 (Site Boundary)

BRP-12 (Site Boundary)

BRP-13 (Site Boundary)

BRP-14 (G) (Onsite)

BRP-15 (H) (Onsite)

BRP-16 (J) (Site Boundary)

BRP-17 (K) (Onsite)

BRP-18 (ISFSI-NW)

BRP-19 (ISFSI-SW)

BRP-20 (ISFSI-SE)

BRP-21 (ISFSI-NE)

BRP-22 (ISFSI-FNE)

BRP-23 (ISFSI-FSE)

BRP-24 (ISFSI-FSW)

BRP-25 (ISFSI-FNW)

Control 1 (Shield)

Control 2 (Shield) 2006 01-05-06 01-03-07 2.0 +/- 0.8 NDb 41.6 +/- 1.2 48.9 +/- 1.7 78.0 +/- 1.4 40.9 +/- 1.5 38.9 +/- 1.0 48.4 +/- 1.8 52.6 +/- 1.6 43.8 +/- 2.2 NDb 43.4 +/- 1.4 38.2 +/- 1.8 49.7 +/- 1.6 37.4 +/- 1.6 51.0 +2.1 50.5 +/- 2.6 37.5 +/- 1.1 55.6 +/- 3.3 132.9 +/- 5.4 68.8 +/- 1.9 55.3 +/- 0.8 22.8 +/- 1.1 23.0 +/- 0.9 a Intransit exposure has been subtracted.

b,"ND, = No data; TLD missing.

2-1

BIG ROCK Table 5.1 Well water, analyses for tritium and gamma emitting isotopes.

Collection: Semiannual Units: pCi/L Site Well Location Lab Code Date Collected H-3 Mn-54 Fe-59 Co-58 Co-60 Zn-65 Zr-Nb-95 Cs-134 Cs-137 Ba-La-140 BRWW-3592 5/27/2006

< 129

< 2.7

< 4.5

< 1.5

<2.0

<3.6

<2.3

<2.5

< 1.7

< 1.5 Reg. LLD 15 30 15 15 30 15 15 18 15 5.1-1

BIG ROCK Table 6. Fish, analyses for gross beta and gamma-emitting isotopes.

Collection: Semiannually Units:

pCi/g wet Location Discharge Lab Code Date Collected Sample Type BRF-4066 6/21/2006 BRF-6610 9/25/2006 Req. LLD Sucker Sucker Gross Beta Mn-54 Fe-59 Co-58 Co-60 Zn-65 Zr-Nb-95 Cs-134 Cs-137 3.18 +/- 0.09

< 0.017

< 0.039

< 0.018

< 0.015

< 0.031

< 0.022

< 0.018

< 0.021 4.28 +/- 0.09

< 0.009

< 0.027

< 0.015

< 0.009

< 0.035

< 0.019

< 0.012 0.032 +/- 0.014 0.13 0.26 0.13 0.13 0.26 0.10 0.13 0.15 Location Ludington Pumped Storage Plant (Control)

Lab Code PAF-5334 PAF-5335 Date Collected 8/3/2006 8/3/2006 Req. LLD Sample Type Carp Perch Mn-54

< 0.021

< 0.011 0.13 Fe-59

< 0.029

< 0.017 0.26 Co-58

< 0.015

< 0.019 0.13 Co-60

< 0.015

< 0.022 0.13 Zn-65

< 0.054

< 0.044 0.26 Zr-Nb-95

< 0.013

< 0.033 0.10 Cs-1 34

< 0.013

< 0.021 0.13 Cs-1 37

< 0.025

< 0.028 0.15 6-1

BIG ROCK Table 8. Bottom sediment, analyses for gross beta and gamma-emitting isotopes.

Collection: Semiannually Units: pCi/g dry Location 1/4 Mile East 1/4 Mile West Lab Code BRBS-4069 BRBS-6608 BRBS-4068 BRBS-6609 Date Collected 6/5/2006 9/25/2006 6/5/2006 9/25/2006 Req. LLD Gross Beta 20.08 +/- 2.07 22.56 _ 2.32 19.60 +/- 1.83 10.75 _ 1.82 Mn-54

< 0.009

< 0.006

< 0.008

< 0.008 0.08 Fe-59

< 0.016

< 0.020

< 0.033

< 0.007 0.10 Co-58

< 0.006

< 0.008

< 0.010

< 0.010 0.08 Co-60

< 0.018

< 0.011

< 0.014

< 0.006 0.05 Zn-65

< 0.020

< 0.036

< 0.024

< 0.023 0.10 Zr-Nb-95

< 0.008

< 0.010

< 0.014

< 0.009 0.10 Cs-134

< 0.008

< 0.012

< 0.016

< 0.011 0.15 Cs-137 0.23 +/- 0.027,

< 0.014 0.14 +/- Q.026 0.14 +/- 0.018 0.18 Location Discharge Ludington (Control)

Lab Code BRBS-4067 BRBS-6607 PABS-4480 Date Collected 6/5/2006 9/25/2006 6/16/2006 Req. LLD Gross Beta 26.30 +/- 2.26 15.90 +/- 2.28 Mn-54

< 0.007

< 0.005

< 0.014 0.08 Fe-59

< 0.020

< 0.020

< 0.025 0.10 Co-58

< 0.010

< 0.009

< 0.014 0.08 Co-60

< 0.026

< 0.007

< 0.012 0.05 Zn-65

< 0.019

< 0.014

< 0.042 0.10 Zr-Nb-95

< 0.008

< 0.010

< 0.031 0.10 Cs-1 34

< 0.011

< 0.009

< 0.017 0.15 Cs-137 0.30 +/- 0.023 0.03 +/- 0.016

< 0.016 0.18 8-1

BIG ROCK Table 9.2. Stack Filters, analyses for gross alpha, plutonium-239, strontium-89 and strontium-90.

Collection: Continuous, monthly exchange.

Units: pCi/filter Location Big Rock Date Collect(

Lab Code Gross Alpha Sr-89 Sr-90 Pu-239 Required LLD 02-28-06 BRSP -1472 10 10

< 4.6 10 10

< 0.7

< 2.9

<0.1 9.2-1

Big Rock Point Annual Radiological Environmental Operation Report January through December 2006 Enclosure D: Interlaboratory Comparison Program Results

Environmental, Inc.

Midwest Laboratory

/-

an Allegheny Technologies Co.

700 Landwehr Road

  • Northbrook, IL 60062-2310 ph. (847) 564-0700
  • fax (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.

October, 2005 through September, 2006

Appendix A Interlaboratory Comparison Program Results Environmental, Inc., Midwest Laboratory has participated in interlaboratory comparison (crosscheck) programs since the formulation of it's 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 issuing agency. 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.

The results in Table A-2 list 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 list results of 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. Data for previous years available upon request.

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

Attachment A lists acceptance criteria for "spiked" samples.

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

Al

Attachment A ACCEPTANCE CRITERIA FOR "SPIKED" SAMPLES LABORATORY PRECISION: ONE STANDARD DEVIATION VALUES 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 Strontium-90b 2 to 30 pCi/liter or kg 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 S 4,000 pCi/liter

+/- lo = (pCi/liter) =

169.85 x (known) 0 0 933

> 4,000 pCi/liter 10% of known value Radium-226,-228

> 0.1 pCi/liter 15% of known value Plutonium

> 0.1 pCi/liter, gram, or sample 10% of known value Iodine-131,

< 55 pCi/liter 6.0 pCi/liter Iodine-129b

> 55 pCi/liter 10% of known value Uranium-238,

< 35 pCi/liter 6.0 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 Othersb 20% of known value a 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 Resultb Resultc Limits Acceptance STW-1 072 STW-1 072 STW-1073 STW-1 073 STW-1 073 STW-1 073 STW-1 073 STW-1074 STW-1 074 STW-1 075 STW-1 076 STW-1076 e STW-1 076 STW-1 077 STW-1 078 STW-1 078 STW-1079 STW-1 079 STW-1 079 STW-1 079 STW-1 079 STW-1 080 STW-1 080 STW-1 081 STW-1081 STW-1 081 STW-1088 STW-1 088 STW-1 089 STW-1089 STW-1089 STW-1 089 STW-1 089 STW-1090 STW-1 090 STW-1091 STW-1 092 STW-1 092 STW-1 092 STW-1 092 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 11/15/05 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 01/16/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 04/10/06 Sr-89 Sr-90 Ba-i 33

-Co-60 Cs-134 Cs-1 37 Zn-65 Gr. Alpha Gr. Beta 1-131 Ra-226 Ra-228 Uranium H-3 Sr-89 Sr-90 Ba-133 Co-60 Cs-134 Cs-137 Zn-65 Gr. Alpha Gr. Beta Ra-226 Ra-228 Uranium Sr-89 Sr-90 Ba-133 Co-60 Cs-134 Cs-1 37 Zn-65 Gr. Alpha Gr. Beta 1-131 H-3 Ra-226 Ra-228 Uranium 20.6 +/- 0.4 15.0 +/- 0.3 31.8 +/- 1.8 85.0 +/- 1.4 37.2 +/- 2.1 27.8 +/- 0.7 109.0 +/- 1.0 41.1 +/- 1.2 42.7 +/- 0.5 20.5 +/- 0.6 7.8 +/- 0.6 5.5 +/- 0.6 15.5 +/- 0.3 12500.0 +/- 238.0 49.9 +/- 3.5 31.5 +/- 1.5 86.5 +/- 4.1 96.3 +/- 4.1 22.6 +/- 3.0 109.0 +/- 5.9 198.0 +/- 11.2 10.8 +/- 1.4 56.9 +/- 1.9 4.3 +/- 0.4 7.1 +/- 1.8 20.7 +/- 0.5 29.0 +/- 1.8 8.7 +/- 1.0 10.3 +/- 0.4 114.0 +/- 2.8 41.9 +/- 1.4 208.0 +/- 1.1 154.0 +/- 0.8 13.4 +/- 1.1 27.7 +/- 2.1 22.0 +/- 0.3 7960.0 +/- 57.0 2.9 +/- 0.4 20.9 +/- 1.2 68.6 +/- 3.4 19.0 16.0 31.2 84.1 33.9 28.3 105.0 23.3 39.1 17.4 8.3 3.5 16.1 12200.0 50.2 30.7 95.0 95.3 23.1 111.0 192.0 9.6 61.9 4.6 6.6 22.1 32.4 9.0 10.0 113.0 43.4 214.0 152.0 21.3 23.0 19.1 8130.0 3.0 19.1 69.1 10.3 - 27.7 7.3 -24.7 22.5 - 39.9 75.4 - 92.8 25.2 - 42.6 19.6 - 37.0 86.8 - 123.0 13.2 -33.4 30.4 - 47.8 12.2 - 22.6 6.2 - 10.5 2.0 - 5.0 10.9 -21.3.

10100.0 - 14300.0 41.5 -58.9 22.0 - 39.4 78.6 -111.0 86.6 - 104.0 14.4 -131.8 101.0 -121.0 159.0 m 225.0 1.0 -18.3 44.6-79.2 3.4 - 5.8 3.7 -9.5 16.9 -27.3 23.7 -41.1 0.3 - 17.7 1.3 - 18.7 103.0 - 123.0 34.7 -52.1 195.0 - 233.0 126.0 - 178.0 12.1 -30.5 14.3 -31.7 13.9 -24.3 6720.0 - 9540.0 2.2 - 3.8 10.8 -27.4 57.1 -81.1 Pass Pass Pass Pass Pass Pass Pass Fail Pass Pass Pass Fail Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Al-1

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

Concentration (pCi/L)

Lab Code Date Analysis Laboratory ERA Control Resultb Resultc Limits Acceptance STW-1094 07/09/02 Sr-89 15.9 +/-0.7 19.7 11.0 -28.4 Pass STW-1 094 07/09/02 Sr-90 24.3 +/- 0.4 25.9 17.2 - 34.6 Pass STW-1 095 07/09/02 Ba-1 33 94.9 +/- 8.9 88.1 72.9 - 103.0 Pass STW-1 095 07/09/02 Co-60 104.0 +/- 1.8 99.7 91.0 -108.0 Pass STW-1 095 07/09/02 Cs-134 48.7 +/- 1.3 54.1 45.4 -62.8 Pass STW-1095' 07/09/02 Cs-1 37 236.0 +/- 3.0 238.0 217.0 - 259.0 Pass STW-1095 07/09/02 Zn-65 126.0 +/- 8.0 121.0 100.0 - 142.0 Pass STW-1 096 07/09/02 Gr. Alpha 10.9 +/- 1.0 10.0 1.3 -18.6 Pass STW-1 096 07/09/02 Gr. Beta 9.7 +/- 0.4 8.9 0.2 - 17.5 Pass STW-1097

.07/09/02 Ra-226 11.0 +/- 0.5 10.7 7.9 -13.5 Pass STW-1097 07/09/02 Ra-228 12.2 +/- 0.8 10.7 6.1 - 15.3 Pass STW-1 097 07/09/02 Uranium 43.4 +/- 0.1 40:3 33.3 -47.3 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 original samples were calculated using an Am-241 efficiency. The samples were spiked with Th-232. Samples were recounted and calculated using the Th-232 efficiency. Results of the recount: 27.01 +/- 2.35 pCi/L.

e Decay of short-lived radium daughters contributed to a higher counting rate. Delay of counting for 100 minutes provided better results.

The reported result was the average of the first cycle of 100 minutes, the average of the second cycle counts was 4.01 pCi/L Al -2

TABLE A-2. Crosscheck program results; Thermoluminescent Dosimetry, (TLD, CaSO4: Dy Cards).

mR Lab Code Date Known Lab Result Control Description Value

+/- 2 sigma Limits Acceptance Environmental, Inc.

Environmental, Inc.

2005-2 9/12/2005 2005-2 2005-2 2005-2 2005-2 2005-2 2005-2 2005-2 2005-2 9/12/2005 9/12/2005 9/12/2005 9/12/2005 9/12/2005 9/12/2005 9/12/2005 9/12/2005 Environmental, Inc.

30 cm 60 cm 75 cm 90 cm 90 cm 120 cm 150 cm 150 cm 180 cm 30 cm 60 cm 60 cm 90 cm 120 cm 120 cm 150 cm 150 cm 180 cm 54.84 13.71 8.77 6.09 6.09 3.43 2.19 2.19 1.52 54.81 13.70 13.70 6.09 3.43 3.43 2.19 2.19 1.52 59.30 +/- 2.66 17.55 +/- 1.30 8.24 +/- 0.38 5.94 +/- 0.49 5.93 +/- 0.37 3.42 +/- 0.18 1.71 +/- 0.14 1.87 +/- 0.27 1.58 +/- 0.99 70.73 +/- 0.69 16.71 +/- 1.89 16.69 +/- 0.94 6.57 +/- 0.82 3.65 +/- 0.22 3.09 +/- 0.33 2.35 +/- 0.38 1.98 +/- 0.10 1.56 +/- 0.26 38.39 -71.29 9.60 -17.82 6.14-11.40 4.26 -7.92 4.26 -7.92 2.40 -4.46 1.53 -2.85 1.53 -2.85 1.06 -1.98 38.37 -71.25 9.59 -17.81 9.59 -17.81 4.26 -7.92 2.40 -4.46 2.40 -4.46 1.53 -2.85 1.53 -2.85 1.06 -1.98 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass 2006-1 2006-1 2006-1 2006-1 2006-1 2006-1 2006-1 2006-1 2006-1 6/5/2006 6/5/2006 6/5/2006 6/5/2006 6/5/2006 6/5/2006 6/5/2006 6/5/2006 6/5/2006 A2-1

TABLE A-3. In-House "Spike" Samples Concentration (pCi/L)a Lab Code b Date Analysis Laboratory results Known Control 2s, n=1 c Activity Limits d Acceptance SPW-6019 SPF-6293 SPF-6293 SPAP-6309 SPAP-6309 SPAP-631 1 SPW-6451 W-120105 W-120105 SPW-7440 SPW-7440 SPMI-7442 SPMI-7442 SPW-301 SPAP-1224 SPAP-1224 SPAP-1224 SPW-1 228 SPW-1230 SPW-1230 SPM1-1232 SPM1-1232 W-30906 W-30906 SPW-2750 SPW-2869 SPAP-2871 SPAP-2871 SPW-2875 STSO-3155 STSO-3155 STSO-3155 SPAP-2873 SPF-3183 SPF-3183 SPW-3460 W-60606 W-60606 10/24/2005 11/4/2005 11/4/2005 11/7/2005 11/7/2005 11/7/2005 11/10/2005 12/1/2005 12/1/2005 12/30/2005 12/30/2005 12/31/2005 12/31/2005 1/20/2006 3/7/2006 3/7/2006 3/7/2006 3/7/2006 3/7/2006 3/7/2006 3/7/2006 3/7/2006 3/9/2006 3/9/2006 4/27/2006 5/1/2006 5/1/2006 5/1/2006 5/1/2006 5/1/2006 5/1/2006 5/1/2006 5/2/2006 5/10/2006 5/10/2006 5/26/2006 6/6/2006 6/6/2006 Tc-99 Cs-1 34 Cs-137 Cs-134 Cs-137 Gr. Beta H-3 Gr. Alpha Gr. Beta Cs-134 Cs-137 Cs-134 Cs-137 Fe-55 Cs-134 Cs-137 Gr. Beta H-3 Cs-134 Cs-137 Cs-134 Cs-137 Gr. Alpha Gr. Beta Ni-63 Fe-55 Cs-134 Cs-1 37 H-3 Co-60 Cs-134 Cs-1 37 Gr. Beta Cs-1 37 Cs-1 34 C-14 Gr. Alpha Gr. Beta 547.99 +/- 6.69 941.30 +/- 44.10 2570.40 +/- 105.30*

41.24 +/- 1.91 114.03 +/- 5.01 505.60 +/-+7.36 77126.00 +/- 747.00 25.16 +/- 0.45 74.58 +/- 0.81 42.67 +/- 4.22 61.19 +/- 7.20 40.41 +/- 5.66 60.05 +/- 7.80 2700.10 +/- 70.00 37.13 +/- 3.70 118.25 +/- 8.97 520.32 +/- 7.42 70891.00 +/- 719.00 38.58 +/- 2.10 59.44 +/- 4.51 41.20 +/- 1.33 57.82 +/- 3.96 24.24 +/- 0.47 63.79 +/- 0.48 116.00 +/- 2.49 19473.00 +/- 188.00 33.97 +/- 1.10 114.44 +/- 2.81 71057.00 +/- 730.20 7950.80 +/- 67.29 12.49 +/- 0.13 14.10 +/- 0.12 1724.80 +/- 4.51 2.47 +/- 0.03 0.73 +/- 0.01 4009.60 +/- 14.43 21.94 +/- 0.46 58.17 +/- 0.49 539.22 886.00 2400.00 44.03 120.24 455.00.

76749.00 20.08 65.73 42.03 59.91 42.03 59.91 2502.50 39.52 119.30 455.00 75394.00 39.51 59.65 39.51 59.65 20.08 65.73 100.00 23332.00 37.50 118.90 75394.00 7750.00 11.59 11.63 1744.00 2.38 0.74 4741.00 20.08 65.73 377.45 - 700.99 797.40 - 974.60 2160.00 -2640.00 34.03 - 54.03 108.22 - 132.26 364.00 - 637.00 61399.20 -92098.80 10.04 -30.12 55.73 - 75.73 32.03 - 52.03 49.91 - 69.91 32.03 - 52.03 49.91 - 69.91 2002.00 - 3003.00 29.52 - 49.52 107.37 - 131.23 364.00 - 637.00 60315.20 -90472.80 29.51 - 49.51 49.65 - 69.65 29.51 - 49.51 49.65 - 69.65 10.04 -30.12 55.73 - 75.73 60.00 - 140.00 18665.60 -27998.40 27.50 -47.50 107.01 - 130.79 60315.20 -90472.80 6975.00 - 8525.00 1.59 -21.59 1.63 -21.63 1395.20 -2441.60 1.43 - 3.33 0.44 -1.04 2844.60 -6637.40 10.04 -30.12 55.73 - 75.73 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass A3-1

TABLE A-3. In-House "Spike" Samples Concentration (pCi/L)

Lab Code Date Analysis Laboratory results Known Control 2s, n=1b Activity Limitsc Acceptance SPW-3988 SPW-3988 SPW-3988 SPW-3988 SPW-3988 SPMI-3990 SPMI-3990 SPMI-3990 SPMI-3991 SPW-4356 W-90506 W-90506 SPAP-6950 SPAP-6950 SPAP-6952 SPW-6954 SPW-6954 SPMI-6956 SPMI-6956 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 7/5/2006 9/5/2006 9/5/2006 9/30/2006 9/30/2006 9/30/2006 9/30/2006 9/30/2006 9/30/2006 9/30/2006 Cs-1 34 Cs-1 37 1-131(G)

Sr-89 Sr-90 Cs-1 34 Cs-137 1-131(G) 1-131 1-131

  • Gr. Alpha Gr. Beta Cs-1 34 Cs-137 Gr. Beta Cs-134 Cs-137 Cs-134 Cs-137 35.56 +/- 1.40 60.23 +/- 2.72 94.01 +/- 4.38 52.40 +/- 4.23 45.35 +/- 1.95 35.52 +/- 5.05 56.78 +/- 3.86 95.04 +/- 5.05 96.55 +/- 0.87 80.88 +/- 1.09 23.11 +/- 0.45 65.01 +/- 0.51 28.93 +/- 1.56 116.62 +/- 2.97 52.96 +/- 0.14 63.29 +/- 8.24 60.41 +/- 7.53 69.26 +/- 4.85 61.35 +/- 7.62 36.00 59.27 99.30 58.16 41.21 36.00 59.27 99.30 99.30 77.23 20.08 65.73 32.65 117.75 53.50 65.30 58.87 65.31 58.87 26.00 - 46.00 49.27 - 69.27 89.30 - 109.30 46.53.- 69.79 32.97 - 49.45 26.00 - 46.00 49.27 - 69.27 89.30 - 109.30 79.44-119.16 61.78 -92.68 10.04 -30.12 55.73 - 75.73 22.65 - 42.65 105.98 - 129.53 42.80 - 74.90 55.30 - 75.30 48.87 - 68.87 55.31 - 75.31 48.87 - 68.87 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Liquid sample results are reported in pCi/Liter, air filters( pCi/filter), charcoal (pCi/r 3), and solid samples (pCi/g).

b Laboratory codes as follows: W (water), MI (milk), AP (air filter), SO (soil), VE (vegetation),

CH (charcoal canister), F (fish).

C Results are based on single determinations.

d Control limits are based on Attachment A, Page A2 of this report.

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 Concentration (pCi/L)a Lab Code Sample Date Analysisb Laboratory results (4.66a)

Acceptance Type LLD Activityc Criteria (4.66 cy)

SPW-6020 SPF-6294 SPF-6294 SPAP-6310 SPAP-6310 SPAP-6312 W-120105 W-120105 SPMI-7419 SPMI-7419 SPMI-7419 SPW-7421 SPW-7421 SPW-7441 SPW-7441 SPMI-7443 SPMI-7443 SPW-302 SPAP-1225 SPW-1231 SPW-1231 w-30906 w-30906 SPW-2751 SPW-2868 SPW-2874 SPAP-2872 SPF-3154 SPF-3154 SPW-3461 w-60606 w-60606 SPW-3989 SPW-3989 SPW-3989 SPW-3989 SPW-3989 SPW-3989 water Fish Fish Air Filter Air Filter Air Filter water water Milk Milk Milk water water water water Milk Milk water Air Filter water water water water water water water Air Filter Fish Fish water water water water water water water water water 10/24/2005 11/4/2005 11/4/2005 11/7/2005 11/7/2005 11/7/2005 12/1/2005 12/1/2005 12/22/2005 12/22/2005 12/22/2005 12/22/2005 12/22/2005 12/30/2005 12/30/2005 12/30/2005 12/30/2005 1/20/2006 3/7/2006 3/7/2006 3/7/2006 3/9/2006 3/9/2006 4/27/2006 5/1/2006 5/1/2006 5/2/2006 5/10/2006 5/10/2006 5/26/2006 6/6/2006 6/6/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 6/16/2006 Tc-99 Cs-1 34 Cs-1 37 Cs-1 34 Cs-137 Gr. Beta Gr. Alpha Gr. Beta Co-60 Cs-137 1-131(G)

Co-60 Cs-137 Cs-134 Cs-1 37 Cs-134 Cs-137 Fe-55 Gr. Beta Cs-1 34 Cs-137 Gr. Alpha Gr. Beta Ni-63 Fe-55 H-3 Gr. Beta Cs-134 Cs-137 C-1 4 Gr. Alpha Gr. Beta Cs-1 34 Cs-137 1-131 1-131 (G)

Sr-89 Sr-90 4.81 18.60 12.99 3.23 3.86 1.22 0.05 0.15 7.24 5.61 10.96 2.43 3.12 4.25 1.63 4.74 8.53 1061.00 1.16 2.71 2.05 0.04 0.08 1.48 18.07 166.00 1.18 0.02 0.01 10.20 0.05 0.16 3.00 3.65 0.21 8.34 0.54 0.58

-1.75 +/- 2.90

-0.64 +/- 0.64 0.033 +/- 0.04

-0.043 +/- 0.11

-91 +/- 637.30

-0.512 +/- 51.20 0.005 +/- 0.03

-0.016 +/- 0.05 0.37 +/- 0.91 4.33 +/- 11.27

-8.3 +/- 86.90

-3.65 +/- 0.64

-7.9 +/- 5.20 0.013 +/- 0.04

-0.044 +/- 0.11 0.045 +/- 0.14 0.005 +/- 0.45

-0.079 +/- 0.26 10 100 100 100 100 3.2 1

3.2 10 10 20 10 10 10 10 10 10 1000 3.2 10 10 1

3.2 20 1000 200 3.2 100 100 200 1

3.2 10 10 0.5 20 5

1 A4-1

TABLE A-4. In-House "Blank" Samples Concentration (pCi/L)a Lab Code Sample Date Analysisb Laboratory results (4.66a)

Acceptance Type LLD Activityc Criteria (4.66 a)

SPMI-3991 Milk 6/16/2006 Cs-134 4.42 10 SPMI-3991 Milk 6/16/2006 Cs-137 3.88 10 SPMI-3991 Milk 6/16/2006 1-131 0.28

-0.22 +/- 0.19 0.5 SPMI-3991 Milk 6/16/2006 1-131 (G) 3.76 20 SPMI-3991 Milk 6/16/2006 Sr-89 0.61

-0.25 +/- 0.76 5

SPMI-3991 Milk 6/16/2006 Sr-90 0.52 0.88 +/- 0.34 1

w-90506 water 9/5/2006 Gr. Alpha 0.06 0.00 +/- 0.04 1

w-90506 water 9/5/2006 Gr. Beta 0.16 0.05 +/- 0.11 3.2 SPAP-6949 Air Filter 9/30/2006 Cs-1 34 0.89 100 SPAP-6949 Air Filter 9/30/2006 Cs-1 37 0.91 100 spap-6952 Air Filter

.9/30/2006 Gr. Beta

-0.002 +/- 0.00 3.2 spW-6953 water 9/30/2006 Cs-134 3.91 10 spW-6953 water 9/30/2006 Cs-137 5.61 10 SPMI-6955 Milk 9/30/2006 Cs-134 2.86 10 SPMI-6955 Milk 9/30/2006 Cs-137 2.39 10 SPMI-6955 Milk 9/30/2006 1-131 9.98 0.5 a Liquid sample results are reported in pCi/Liter, air filters( pCi/filter), charcoal (pCi/charcoal canister), and solid samples (pCi/g).

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

c Activity reported is a net activity result. For gamma spectroscopic analysis, activity detected below the LLD value is not reported d Low levels of Sr-90 are still detected in the environment. A concentration of (1-5 pCi/L) in milk is not unusual.

A4-2

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance G-5526,5527 G-5526,5527 G-5526,5527 CF-5547, 5548 DW-5583, 5584 VE-5721, 5722 VE-5721, 5722 VE-5721, 5722 CF-5695, 5696 CF-5695, 5696 LW-6129, 6130 LW-6129, 6130 DW-50844, 5 LW-5748, 5749 b AP-6485, 6486 SWU-6156, 6157 VE-6186, 6187 LW-6203, 6204 SO-6270, 6271 SO-6270, 6271 SO-6270, 6271 TD-6320, 6321 SO-6605, 6606 CF-6509, 6510 SW-6638, 6639 SO-6887,6888 SO-6887, 6888 SO-6887, 6888 SWT-6721, 6722 VE-6775, 6776 LW-6743, 6744 DW-51023, 4 F-7076, 7077 F-7076, 7077 MI-7097, 7098 MI-7097, 7098 WW-7187, 7188 SWT-7282, 7283 AP-7466, 7467 AP-7513, 7514 AP-7555, 7556 MI-154,155 10/3/2005 10/3/2005 10/3/2005 10/5/2005 10/5/2005 10/10/2005 10/10/2005 10/10/2005 10/11/2005 10/11/2005 10/11/2005 10/11/2005 10/11/2005 10/12/2005 10/20/2005 10/25/2005 10/26/2005 10 27/2005 10/28/2005 10/28/2005 10/28/2005 11/1/2005 11/11/2005 11/14/2005 11/22/2005 11/22/2005 11/22/2005 11/22/2005 11/29/2005 11/29/2005 11/30/2005 12/2/2005 12/14/2005 12/14/2005 12/14/2005 12/14/2005 12/14/2005 12/27/2005 1/3/2006 1/3/2006 1/3/2006 1/10/2006 Be-7 Gr. Beta K-40 K-40 H-3 Gr. Alpha Gr. Beta K-40 Be-7 K-40 Gr. Beta H-3 Gr. Beta Gr. Beta Be-7 Gr. Beta K-40

.Gr. Beta Cs-1 37 Gr. Beta K-40 H-3 Gr. Beta K-40 1-131 Gr. Alpha Gr. Beta K-40 Gr. Beta Gr. Beta Gr. Beta Gr. Alpha Gr. Beta K-40 K-40 Sr-90 Gr. Beta Gr. Beta Be-7 Be-7 Be-7 K-40 4.03 +/- 0.62 8.10 +/- 0.30 4.93 +/- 0.67 15.40 +/- 0.73 205.00 +/- 83.00 0.07 +/- 0.05 5.09 +/- 0.15 4.27 +/- 0.43 2.70 +/- 0.37 11.79 +/- 0.86 1.34 +/- 0.25 304.35 +/- 95.31 5.30 +/- 1.50 1.09 +/- 0.25 0.10 +/- 0.03 4.69 +/- 1.34 2.90 +/- 0.49 2.92 +/- 0.62 0.33 +/- 0.03 26.85 +/- 2.78 13.67 +/- 0.74 444202 +/- 1770 18.22 +/- 2.23 0.85 +/- 0.14 0.95 +/- 0.35 6.80 +/- 2.92 19.27 +/- 2.16 14.29 +/- 1.11 0.98 +/- 0.31 12.75 +/- 0.28 3.19 +/- 0.47 0.55 +/- 1.40 2.63 +/- 0.28 1.75 +/- 0.44 1298.10 +/- 113.10 0.43 +/- 0.36 1.16 +/- 0.60 1.62 +/- 0.37 0.053 +/- 0.015 0.033 +/- 0.008 0.053 +/- 0.007 1254.20 +/- 87.75 4.07 +/- 0.80 8.80 +/- 0.40 6.00 +/- 0.72 15.63 +/- 0.92 243.00 +/- 85.00 0.08 +/- 0.06 5.00 +/- 0.16 4.20 +/- 0.34 2.80 +/- 0.34 13.11 +/- 0.68 1.85 +/- 0.29 369.23 +/- 97.88 4.20 +/- 1.40 1.89 +/- 0.28 0.09 +/- 0.03 4.18 +/- 1.34 2.83 +/- 0.51 3.09 +/- 0.66 0.34 +/- 0.04 22.25 +/- 2.41 14.02 +/- 0.76 446633 +/- 1775 18.47 +/- 2.22 0.99 +/- 0.22 0.67 +/- 0.31 10.27 +/- 3.26 18.43 +/- 2.21 13.78 +/- 0.78 0.87 +/- 0.31 13.16 +/- 0.21 2.50 +/- 0.44 2.21 +/- 1.31 2.38 +/- 0.25 1.61 +/- 0.31 1346.00 +/- 101.40 0.78 +/- 0.38 2.03 +/- 0.72 1.85 +/- 0.38 0.057 +/- 0.011 0.036 +/- 0.008 0.054 +/- 0.008 1369.60 +/- 102.80 4.05 +/- 0.51 8.41 +/- 0.24 5.47 +/- 0.49 15.51 +/- 0.59 224.00 +/- 59.40 0.08 +/- 0.04 5ý05 +/- 0.11 4.23 +/- 0.27 2.75 +/- 0.25 12.45 +/- 0.55 1.59++/- 0.19 336.79 +/- 68.31 4.75 +/- 1.03 1.49 +/- 0.19 0.09 +/- 0.02 4.44 +/- 0.95 2.87 +/- 0.35 3.01 +/- 0.45 0.33 +/- 0.03 24.55 +/- 1.84

.13.85 +/- 0.53 445418 +/- 1253 18.35 +/- 1.57 0.92 +/- 0.13 0.81 +/- 0.23 8.53 +/- 2.19 18.85 +/- 1.54 14.03 +/- 0.68 0.93 +/- 0.22 12.96 +/- 0.18 2.85 +/- 0.32 1.38 +/- 0.96 2.50 +/- 0.19 1.68 +/- 0.27 1322.05 +/- 75.95 0.61 +/- 0.26 1.60 +/- 0.47 1.74 +/- 0.27 0.055 +/- 0.009 0.035 +/- 0.006 0.053 +/- 0.005 131.1.90 +/- 67.58 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Fail Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass A5-1

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance MI-217, 218 MI-217, 218 MI-287, 288 MI-287, 288 WW-314, 315 WW-314, 315 SWt-577, 578 SWU-598, 599 SWU-598, 599 F-3311, 3312 c F-3311, 3312 SW-780, 781 SW-780, 781 DW-934, 935 DW-1024,1025 MI-1078,1079 F-1357, 1358 F-1 357, 1358 MI-1469,1470 CF-1538, 1539 WW-1583,1584 DW-1955,1956 M1-1760,1761 AP-2603, 2604 E-1 997, 1998 E-1997, 1998 AP-2818, 2819 SWU-2863, 2864 SS-2389, 2390 SS-2389, 2390 dw-2773, 2774 SL-2932, 2933 SL-2932, 2933 SL-2932, 2933 BS-3103, 3104 BS-3103, 3104 MI-3037, 3038 MI-3037, 3038 MI-3124, 3125 SW-3145, 3146 SW-3145, 3146 MI-3236, 3237 1/11/2006 1/11/2006 1/17/2006 1/17/2006 1/19/2006 1/19/2006 1/31/2006 1/31/2006 1/31/2006 2/9/2006 2/9/2006 2/14/2006 2/14/2006 2/17/2006 2/24/2006 3/1/2006 3/10/2006 3/10/2006 3/14/2006 3/21/2006 3/22/2006

.3/27/2006 3/29/2006 3/29/2006 4/3/2006 4/3/2006 4/3/2006 4/3/2006 4/11/2006 4/11/2006 4/21/2006 5/1/2006 5/1/2006 5/1/2006 5/1/2006 5/1/2006 5/2/2006 5/2/2006 5/9/2006 5/9/2006 5/9/2006 5/10/2006 K-40 Sr-90 K-40 Sr-90 Gr. Beta H-3 Gr. Beta Gr. Beta H-3 Gr. Beta K-40 Gr. Alpha Gr. Beta 1-131 1-131 Sr-90 Gr. Beta K-40 K-40 K-40 Gr. Beta Gr. Beta K-40 Be-7 Gr. Beta K-40 Be-7 Gr. Beta Gr. Beta K-40 1-131 Be-7 Gr. Beta K-40 Gr. Beta K-40 K-40 Sr-90 K-40 Gr. Alpha Gr. Beta K-40 1258.00 +/- 118.00 1.27 +/- 0.37 1383.10 +/- 110.90 0.74 +/- 0.38 9.21 +/- 1.72 168.64 +/- 94.94 3.06 +/- 0.66 2.03 +/- 0.39 260.10 +/- 98.20 4.12 +/- 0.14 2.68 +/- 0.37 4.09 +/- 1.52 5.91 +/- 0.90 0.35 +/- 0.22 0.24 +/- 0.26 1.42 +/- 0.39 3.77 +/- 0.07 2.46 +/- 0.32 1396.30 +/- 120.80 13.66 +/- 0.81 7.66 +/- 0.73 2.25 +/- 0.60 1271.00 +/- 89.00 0.067 +/- 0.015 1.82 +/- 0.07 1.28 +/- 0.15 0.06 +/- 0.01 3.20 +/- 1.26 10.53+/- 0.96 5.51 +/- 0.42 0.74 +/- 0.23 1.28 +/- 0.19 6.09 +/- 0.33 3.13 +/- 0.41 8.27 +/- 1.46 6288.20 +/- 585.20 1238.90 +/- 98.59 1.76 +/- 0.42 1032.30 +/- 91.12 4.85 +/- 1.68 8.94 +/- 1.46 1412.40 +/- 119.10 1313.00 +/- 98.00 0.92 +/- 0.33

.1457.80 +/- 119.10 0.94 +/- 0.37 11.52 +/- 1.93 210.12 +/- 96.51 3.68 +/- 0.64 1.97 +/- 0.40 134.10 +/- 93.50 3.82 +/- 0.13 2.76 +/- 0.39 3.22 +/- 1.37 5.89 +/- 0.92 0.31 +/- 0.25 0.53 +/- 0.24 1.30 +/- 0.62 3.71 +/- 0.07 2.32 +/- 0.44 1335.60 +/- 113.80 13.97 +/- 0.68 8.87 +/- 0.75 3.15 +/- 0.59 1378.00 +/- 113.00 0.056 +/- 0.010 1.87 +/- 0.07 1.24 +/- 0.21 0.06 +/- 0.01 4.77 +/- 1.30 9.38 +/- 0.84 5.79 +/- 0.40 0.53 +/- 0.40 1.27 +/- 0.17 5.65 +/- 0.31 3.09 +/- 0.36 9.03 +/- 1.59 5643.70 +/- 599.80 1301.00 +/- 103.90 1.48 +/- 0.42 1103.60 +/- 120.50 4.12 +/- 1.62 9.14 +/- 1.36 1427.90 +/- 127.70 1285.50 +/- 76.69 1.10 +/- 0.25 1420.45 +/- 81.37 0.84 +/- 0.27 10.37 +/- 1.29 189.38 +/- 67.69 3.37 +/- 0.46 2.00 +/- 0.28 197.10 +/- 67.80 3.97 +/- 0.10 2.72 +/- 0.27 3.66 +/- 1.03 5.90 +/- 0.64 0.33 +/- 0.16 0.39 +/-0.18 1.36 +/- 0.37 3.74 +/- 0.05 2.39 +/- 0.27 1365.95 +/- 82.98 13.81 +/- 0.53 8.26 +/- 0.52 2.70 +/- 0.42 1324.50 +/- 71.92 0.062 +/- 0.009 1.85 +/- 0.05 1.26 +/- 0.13 0.06 +/- 0.01 3.99 +/- 0.91 9.96 +/- 0.64 5.65 +/- 0.29 0.63 +/- 0.23 1.28 +/- 0.13 5.87 +/- 0.23 3.11 +/- 0.27 8.65 +/- 1.08 5965.95 +/- 418.99 1269.95 +/- 71.62 1.62 +/- 0.29 1067.95 +/- 75.54 4.48 +/- 1.17 9.04 +/- 1.00 1420.15 +/- 87.31 Pass Pass Pass Pass Pass Pass Pass Pass Pass Fail Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass A5-2

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance F-3422, 3423 G-3491, 3492 G-3491, 3492 SO-3539, 3540 SO-3539, 3540 WW-3751, 3752 F-3617, 3618 SL-3641, 3642 SL-3641, 3642 SL-3641, 3642 MI-3886, 3887 VE-3949, 3950 VE-3949, 3950 VE-3949, 3950 BS-4016, 4017 BS-4016, 4017 BS-4016, 4017 MI-3992, 3993 LW-4175, 4176 W-4130, 4131 AV-4330, 4331 SWU-4489, 4490 AP-4909, 4910 AP-4952, 4953 AP-4930, 4931 E-4399, 4400 E-4399, 4400 G-4420, 4421 G-4420, 4421 G-4420, 4421 5/19/2006 5/24/2006 5/24/2006 5/24/2006 5/24/2006 5/25/2006 5/30/2006 6/1/2006 6/1/2006 6/1/2006 6/12/2006 6/13/2006 6/13/2006 6/13/2006 6/13/2006 6/13/2006 6/13/2006 6/14/2006 6/16/2006 6/21/2006 6/26/2006 6/27/2006 6/29/2006 6/29/2006 7/3/2006 7/5/2006 7/5/2006 7/5/2006 7/5/2006 7/5/2006 H-3 Gr. Beta K-40 Gr. Beta K-40 Gr. Beta K-40 Be-7 Gr. Beta K-40 K-40 Gr. Alpha Gr. Beta K-40 Co-60 Cs-1 37 K-40 K-40 H-3 H-3 K-40 Gr. Beta Be-7 Be-7 Be-7 Gr. Beta K-40 Be47 Gr. Beta K-40 Gr. Alpha Gr. Alpha Gr. Alpha K-40 Sr-90 K-40 Gr. Beta Gr. Alpha Gr. Alpha Gr. Alpha 8175.00 +/- 252.00 8.89 +/- 0.18 5.60 +/- 0.71 19.57 +/- 1.99 12.55 +/- 0.89 9.85 +/- 0.79 2.42 +/- 0.38 1.41 +/- 0.19 5.03 +/- 0.18 2.21 +/- 0.26 1424.20 +/- 118.20 0.13 +/- 0.06 4.53 +/- 0.19 6.02 +/- 0.66 0.18 +/- 0.03 1.97 +/- 0.09 11.03 +/- 0.76 1358.50 +/- 166.40 482.11 +/- 90.25 401.50 +/- 87.85 1717.10 +/- 244.30 1.70 +/- 0.38 0.11 +/- 0.01 0.08 +/- 0.02 0.08 +/- 0.02 1.85 +/- 0.05 1.25 +/- 0.19 0.82 +/- 0.20 13.20 +/- 0.40 9.96 +/- 0.44 3.24 +/- 1.35 3.70 +/- 1.12 6.87 +/- 1.26 1403.50 +/- 118.80 0.59 +/- 0.34 1286.60 +/- 92.62 1.75 +/- 0.60 16.27 +/- 2.49 14.06 +/- 1.82 5.09 +/- 0.95 8268.00 +/- 253.00 9.03 +/- 0.19 6.30 +/- 0.78 18.98 +/- 1.91 11.49 +/- 0.59 8.96 +/- 0.74 2.53 +/- 0.37 1.31 +/- 0.27 5.30 +/- 0.19 2.14 +/- 0.37 1318.80 +/- 110.50 0.16 +/- 0.07 4.47 +/- 0.18 5.33 +/- 0.66 0.15 +/- 0.03 2.01 +/- 0.09 10.45 +/- 0.78 1395.80 +/- 122.70 397.50 +/- 86.88 236.28 +/- 80.89 1893.10 +/- 223.30 1.93 +/- 0.38 0.11 +/- 0.02 0.10 +/- 0.02 0.07 +/- 0.01 1.85 +/- 0.05 1.24 +/- 0.18 0.61 +/- 0.14 14.00 +/- 0.40 10.06 +/- 0.82 2.49 +/- 1.33 3.09 +/- 1.16 4.77 +/- 1.09 1330.40 +/- 116.50 0.70 +/- 0.35 1358.60 +/- 158.40 2.51 +/- 0.59 21.41 +/- 3.21 15.57 +/- 1.77 6.23 +/- 1.05 8221.50 +/- 178.54 8.96 +/- 0.13 5.95 +/- 0.53 19.27 +/- 1.38 12.02 +/- 0.53 9.41 +/- 0.54 2.47 +/- 0.27 1.36 +/- 0.17 5.17 +/- 0.13 2.18 +/- 0.23 1371.50 +/- 80.90 0.15 +/- 0.05 4.50 +/- 0.13 5.67 +/- 0.47.

0.16 +/- 0.02 1.99 +/- 0.06 10.74 +/- 0.54 1377.15 +/- 103.37 439.81 +/- 62.63 318.89 +/- 59.71 1805.10 +/- 165.49 1.82 +/-0.27 0.11 +/- 0.01 0.09 +/- 0.01 0.08 +/- 0.01 1.85 +/- 0.04 1.25 +/- 0.13 0.72 +/- 0.12 13.60 +/- 0.28 10.01 +/- 0.47 2.87 +/- 0.95 3.40 +/- 0.81 5.82 +/- 0.83 1366.95 +/- 83.20 0.65 +/- 0.24 1322.60 +/- 91.75 2.13 +/- 0.42 18.84 +/- 2.03 14.82 +/- 1.27 5.66 +/- 0.71 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pas~s Pass Pass DW-60432, 60433 7/6/2006 DW-60514, 60515 7/10/2006 DW-60449, 60450 7/11/2006 MI-4599, 4600 7/12/2006 MI-4599, 4600 7/12/2006 MI-4667, 4668 7/12/2006 LW-4823, 4824 7/14/2006 DW-60502, 60503 7/19/2006 DW-60526, 60527 7/21/2006 DW-60539, 60540 7/21/2006 A5-3

TABLE A-5. In-House "Duplicate" Samples Concentration (pCi/L)a Averaged Lab Code Date Analysis First Result Second Result Result Acceptance MI-5125, 5126 7/25/2006 DW-60609, 60610 7/26/2006 DW-60621, 60622 7/31/2006 SL-5265, 5266 SL-5265, 5266 SL-5265, 5266 SL-5265, 5266 VE-5286, 5287 VE-5286, 5287 VE-5286, 5287 SW-5383, 5384 SW-5383, 5384 SW-5971, 5972 DW-5480, 5481 DW-60645, 60646 W-5602, 5603 8/1/2006 8/1/2006 8/1/2006 8/1/2006 8/1/2006 8/1/2006 8/1/2006 8/8/2006 8/8/2006 8/8/2006 8/11/2006 8/15/2006 8/16/2006 K-40 Gr. Alpha Gr. Alpha Be-7 Be-7 Gr. Beta K-40 Be-7 Gr. Beta K-40 Gr. Alpha Gr. Beta H-3 H-3 Gr. Alpha H-3 Gr. Alpha Gr. Beta K-40 Gr. Beta Gr. Alpha Gr. Alpha Gr. Alpha 1480.60 +/- 118.30 1.00 +/- 1.10 3.70 +/- 1.00 1.10 +/- 0.46 0.10 +/- 0.03 4.41 +/- 0.41 1.19 +/- 0.52 1.21 +/- 0.30 9.67 +/- 0.35 6.25 +/- 0.81 3.24 +/- 1.35 4.86 +/- 0.86 119.90 +/- 78.14 169.08 +/- 85.52 10.41 +/- 1.78 2118.79 +/- 151.55 12.99 +/- 1.84 10.51 +/- 1.33 1264.00 +/- 115.00 1.84 +/- 0.28 2.33 +/- 0.80 3.93 +/- 1.17 1.30 +/- 1.00 1402.60 +/- 120.80 2.70 +/- 1.30 1.90 +/- 0.80 1.38 +/- 0.52 0.16 +/- 0.03 3.46 +/- 0.57 0.87 +/- 0.52 1.32 +/- 0.20 9.37 +/- 0.35 6.50 +/- 0.48 2.94 +/- 1.35 5.46 +/- 0.87 144.41 +/- 79.23 133.65 +/- 83.96 10.97 +/- 1.85 1441.60 +/- 84.54 1.85 +/- 0.85 2.80 +/- 0.64 1.24 +/- 0.35 0.13 +/- 0.02 3.94 +/- 0.35 1.03 +/- 0.37 1.27 +/- 0.18 9.52 +/- 0.25 6.38 +/- 0.47 3.09 +/- 0.96 5.16 +/- 0.61 132.15 +/- 55.64 151.36 +/- 59.92 10.69 +/- 1.28 2150.30 +/- 107.71 11.33 +/- 1.22 9.56 +/- 0.89 1320.50 +/- 83.47 1.82 +/- 0.20 2.62 +/- 0.56 4.28 +/- 0.81 1.77 +/- 0.71 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass DW-60634, 60635 8/18/2006 DW-60634, 60635 8/18/2006 MI-5793, 5794 8/22/2006 SWU-6150, 6151 8/29/2006 DW-60657, 60658 8/29/2006 DW-60695, 606969/11/2006 DW-60715, 60716 9/19/2006 2181.82 9.67 8.61 1377.00 1.81 2.90 4.62 2.23

+/- 153.09

+/- 1.61

+/- 1.18

+/- 121.00

+/- 0.28

+/- 0.78

+/- 1.12

+/- 1.01 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.

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

b Recount of W-5748, 2.38 +/- 0.85 pCi/L Averaged result; 2.14 +/- 0.45 pCi/L c 200 minute count time or longer, resulting in lower error.

A5-4

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

Concentration b Known Control Lab Codec Date Analysis Laboratory result Activity Limits d Acceptance STVE-1 082 STVE-1 082 STVE-1 082 STVE-1082 STVE-1082 STVE-1082 STVE-1082 STSO-1083 STSO-1 083 STSO-1 083e STSO-1 083 STSO-1 083 STSO-1 083 STSO-1083 STSO-1083 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 Co-57 Co-60 Cs-134 Cs-1 37 Mn-54 Sr-90 Zn-65 Co-57 Co-60 Cs-134 Cs-1 37 K-40 Mn-54 Ni-63 Zn-65 10.40 +/- 0.20 5.00 +/- 0.20 0.20 +/- 0.20 3.40 +/- 0.20 6.90 +/- 0.20 1.40 +/- 0.20 11.10 +/- 0.50 762.90 +/- 12.70 504.90 +/- 3.10 0.00 +/- 0.00 406.50 +/- 3.70 719.20 +/- 18.40 415.60 +/- 4.80 261.40 +/- 14.70 783.40 +/- 7.00 8.58 4.52 0.00 3.07 6.25 1.56 9.80 6.00 -11.15 3.16 -5.88 0.00 - 0.50 2.15 -4.00 4.37 -8.12 1.09-2.03 6.86 - 12.74 656.29 447.10 0.00 339.69 604.00 346.77 323.51 657.36 459.40- 853.18 312.97 -581.23 0.00 -0.00 237.78 -441.60 422.80 -785.20 242.74 -450.80 226.46 -420.56 460.15 -854.57 STAP-1084 01/01/06 Gr. Alpha STAP-1084 01/01/06 Gr. Beta STAP-1085 STAP-1085 STAP-1 085 STAP-1085 STAP-1 085 STAP-1085 STW-1086 STW-1 086 STW-1 086 STW-1 086 STW-1086e STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086.

STW-1 086e STW-1 086 STW-1 086 STW-1 086 STW-1 086 STW-1 086 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 01/01/06 Co-57 Co-60 Cs-1 34 Cs-1 37 Sr-90 Zn-65 0.26 +/- 0.02 0.51 +/- 0.03 4.32 +/- 0.10 2.24 +/- 0.16 2.96 +/- 0.19 2.64 +/- 0.20 0.77 +/- 0.21 3.94 +/- 0.44 0.36 0.48 4.10 2.19 2.93 2.53 0.79 3.42 0.00 - 0.72 0.24 - 0.72 2.87 - 5.32 1.53 -ý 2.84 2.05 -3.81 1.77 -3.29 0.55 - 1.03 2.40 - 4.45 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Am-241 Co-57

.Co-60 Cs-1 34 Cs-1 37 Fe-55 H-3 Mn-54 Ni-63 Pu-238 Pu-239/40 Sr-90 Tc-99 U-233/4 U-238 Zn-65 1.29 +/- 0.05 177.10 +/- 1.00 158.30 +/- 1.00 96.40 +/- 1.50 0.00 +/- 0.00 102.50 +/- 18.10 956.60 +/- 16.50 335.30 +/- 2.20 62.90 +/- 3.60 0.96 +/- 0.07 0.00 +/- 0.00 12.80 +/- 1.60 22.30 +/- 1.20 2.02 +/- 0.12 2.03 +/- 0.12 249.50 +/- 3.40 1.30 166.12 153.50 95.10 0.00 129.60 952.01 315.00 60.34 0.91 0.01 13.16 23.38 2.09 2.17 228.16 0.91 -1.69 116.28 -215.96 107.45 -199.55 66.57 -123.63 0.00 -0.00 90.72 -168.48 666.41 -1238.00 220.50 -409.50 42.24 -78.44 0.70 -1.30 0.00 -0.00 9.21 -17.11 16.37 -30.39 1.46 -2.72 1.52 -2.82 159.71 -296.61 A6-1

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

Concentration b Known Control Lab Codec Date Analysis Laboratory result Activity Limits d Acceptance STW-1087 01/01/06 Gr. Alpha 0.59 +/- 0.10 0.58 0.00 -1.16 Pass STW-1087 01/01/06 Gr. Beta 1.69 +/- 0.07 1.13 0.56 - 1.70 Pass Results obtained by Environmental, Inc., Midwest Laboratory as a participant in the Department of Energy's Mixed Analyte Performance Evaluation Program, Idaho Operations office, Idaho Falls, Idaho.

b Results are reported in units of Bq/kg (soil), Bq/L (water) or Bq/total sample (filters, vegetation) as requested by the c Laboratory codes as follows: STW (water), STAP (air filter), STSO (soil), STVE (vegetation).

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

e Included in the MAPEP as a false positive.

A6-2

APPENDIX B DATA REPORTING CONVENTIONS B-1

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 = 2s 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 4.66s uncertainty for a background sample.

3.0. Duplicate analyses 3.1 Individual results: For two analysis results; xi - sl and X2 +/- s2 Reported result:

x+/-s; where x= (112)(xl +x2)ands= (1/2) s +S 2 3.2.

Individual results:

<L1,

<L2 Reported result: <L, where L = lower of Li and L2 3.3.

Individual results:

x +/- s, <L Reported result:

x + s if x >L; <L otherwise.

4.0. Compiutation 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 x1, x2... xn are defined as follows:

-~x x

2___

n 1s=

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 number s 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-2

Big Rock Point Annual Radiological Environmental Operation Report January through December 2006 Enclosure E: Data Graphs

Mean Quarterly TLDs Big Rock Point 1997 - 2006 LI Site Boundary 9 Offsite El Control1 E

14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006

'ear Note: Offsite TLDs eliminated in 1999.

Groundwater Monitoring Well Mean Trituim Concentration Big Rock Point 1997 - 2006 E-3.0E+04 2.5E+04 2.OE+04 0.5E+04 1.OE+04 5.OE+03 O.OE+00 Note: Me 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 an is calculated for wells with detectable H-3 Year

Sediment Mean Gross Beta Big Rock Point 1997 - 2006 EI BRP Site Discharge f Control Sediment 0) 0

  • 6-IC.)

uc~:

25.0 20.0 15.0 10.0 5.0 0.0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Year

Sediment Mean Total Gamma Activity Big Rock Point 1997-2006 El BRP Sediment 1 Control Sediment U

0.

2.50 2.00 1.50 1.00 0.50 0.00 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Year Notes:

1. Zero values for control location were below detectable concentration.
2. Total gamma activity is sum of Cs-137, Mn-54 and Co-60 means.

Fish & Crayfish Mean Total Gamma Activity Big Rock Point 1997 - 2005 EL Fish U Fish Control El Crayfish 0.06 0.05

  • p0.04 0.02 0.01 0

2.5 2.0 1.5.-

1.0 0.5 0.0 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Year Notes:

1. Total gamma activity is sum of Cs-137, Mn-54 and Co-60 means
2. Fish indicator and control samples int 2002 showed no detectable gamma isotopes.
3. Crayfish samples not collected in 2002 to 2004; fish samples not collected in 1999 to 2001
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