View source for GNRO-2006/00017, Annual Radiological Environmental Operating Report (AREOR)

{{Adams
| number = ML062960151
| issue date = 04/26/2006
| title = Annual Radiological Environmental Operating Report (AREOR)
| author name = Bottemiller C
| author affiliation = Entergy Operations, Inc
| addressee name = 
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000416
| license number = NPF-029
| contact person = 
| case reference number = GNRO-2006/00017
| document type = Environmental Report, Letter type:GNRO
| page count = 67
}}

=Text=
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-Er2tWg-y                                                                   Entergy Operations, Inc.
Waterloo Road P.O. Box 756 Port Gibson MS 39150 Tel 601 437 6299 Charles A. Bottemiller Manager Plant Licensing GNRO-2006/00017 April 26, 2006 U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attention:          Document Control Desk

==Subject:==
Grand Gulf Nuclear Station (GGNS) 2005 Annual Radiological Environmental Operating Report (AREOR)
Grand Gulf Nuclear Station Docket No. 50-416 License No. NPF-29 Ladies & Gentlemen:
In accordance with the Grand Gulf Nuclear Station Unit 1 Technical Specification 5.6.2, attached is the Annual Radioloaical Environmental ODeratina Report for the period January 1, 2005 through December 31,2005.
This letter does not contain any commitments. If you have questions or require additional information concerning these reports, please contact Mr. Richard Scarbrough (601) 437-6316, or this office at (601) 437-6685.
Yours truly, CAB/MJ L attachment:         2005 Annual Radiological Environmental Operating Report cc:                 (See Next Page)

April 26, 2006 GNRO-2006-00017 Page 2 of 2 cc:     NRC Senior Resident Inspector Grand Gulf Nuclear Station Port Gibson, MS 39150 U. S. Nuclear Regulatory Commission ATTN: Dr. Bruce S. Mallet (wI2)
Regional Administrator, Region IV 61 1 Ryan Plaza Drive, Suite 400 Arlington, TX 7601 1-4005 U. S. Nuclear Regulatory Commission ATTN: Mr. Bhalchandra Vaidya, NRRIDLPM (w12)
ATTN: ADDRESSEE ONLY ATTN: U. S. Postal Delivery Address Only Mail Stop OWFNI 0-7D1A Washington, DC 20555-0001 Mr. D. E. Levanway (Wise Carter)
Mr. L. J. Smith (Wise Carter)
Mr. N. S. Reynolds Mr. H. L. Thomas

ANNUAL RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT January 1,2005-December 31,2005 Prepared By Reviewed By Approved By

TABLE OF CONTENTS

==SUMMARY==
6 1.O INTRODUCTION                                          11 1.1 Radiological Environmental Monitoring Program      11 1.2 Pathways Monitored                                 11 1.3 Land Use Census                                    12 2.0 INTERPRETATION AND TRENDS OF RESULTS                  23 2.1 Air Particulate and Radioiodine Sample Results     23 2.2 Thermoluminescent Dosimetry (TLD) Sample Results   23 2.3 Water Sample Results                               25 2.4 Sediment Sample Results                            25 2.5 Milk Sample Results                                26 2.6 Fish Sample Results                                26 2.7 Food Product Sample Results                        26 2.8 Land Use Census Results                            27 2.9 lnterlaboratory Comparison Results                 33 3.0 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 

==SUMMARY==
34 3.1 Program Results Summary                            34 3
i

LIST OF TABLES TABLE 1.1 RADIOLOGICAL ENVIRONMENTAL SAMPLING PROGRAM 13 TABLE 2.1 LANDUSECENSUSRESULTS                        28 TABLE 3.1 RADIOLOGICAL ENVIRONMENTAL MONITORING       35 PROGRAM 

==SUMMARY==

3

LIST OF FIGURES FIGURE 1-1 EXPOSURE PATHWAYS                    20 FIGURE 1-2 SAMPLE COLLECTION SITES - NEAR FIELD 21 FIGURE 1-3 SAMPLE COLLECTION SITES - FAR FIELD  22 FIGURE 2-1 TLD READINGS                         24 4

LIST OF ATTACHMENTS ATTACHMENT 1 RADIOLOGICAL MONITORING REPORT 41

==SUMMARY==
OF MONITORING RESULTS 5

Summary The Annual Radiological Environmental Operating Report presents data obtained through analyses of environmental samples collected for Grand Gulf Nuclear Stations (GGNS)
Radiological Environmental Monitoring Program (REMP) for the period January 1, 2005 through December 3 1, 2005. This report fulfills the requirements of GGNS Technical Specification 5.6.2.
To supplement the REMP, GGNS personnel collected duplicate surface water, ground water, vegetation, sediment and fish samples during the reporting period. Special samples collected during the reporting period included vegetation and venison. GGNS did not detect any plant-related radionuclides in these samples.
Radiological Environmental Monitoring Program GGNS established the REMP in 1978 prior to the station becoming operational (1985) to provide data on background radiation and radioactivity normally present in the area. GGNS has continued to monitor the environment by sampling air, water, sediment, fish and food products, as well as measuring radiation directly. GGNS also samples milk if commercial milk production is occurring within five miles of the plant.
The REMP includes sampling indicator and control locations within an 18-mile radius of the plant. The REMP utilizes indicator locations near the site to show any increases or buildup of radioactivity that might occur due to station operation, and control locations farther away from the site to indicate the presence of only naturally occurring radioactivity. GGNS personnel compare indicator results with control and preoperational results to assess any impact GGNS operation might have had on the surrounding environment.
In the current year, GGNS personnel collected environmental samples for radiological analysis. They compared results of indicator locations with control locations and previous studies, and concluded that overall no significant relationship exists between GGNS operation and effect on the plant environs. Their review of current year data, in many cases, showed undetectable radiation levels in the environment and near background level in significant pathways associated with GGNS.
6

Harmful Effects or Irreversible Damage The REMP monitoring did not detect any harmful effects or evidence of irreversible damage in the current year. Therefore, no analysis or planned course of action to alleviate problems was necessary.
Reporting Levels GGNS review indicates that no samples equaled or exceeded reporting levels for radioactivity concentration in environmental samples, as outlined in ODCM Specifications Table 6.12.1-2 when averaged over any calendar quarter, due to GGNS effluents. Therefore, results did not trigger any Radiological Monitoring Program Special Reports.
Radioactivity Not Attributable to GGNS In previous years, the GGNS REMP detected radioactivity attributable to other sources twice.
These include the 25th Chinese nuclear test explosion in 1980, and the radioactivity plume release due to reactor core degradation at the Chernobyl Nuclear Power Plant in 1986.
Comparison to Federal and State Programs GGNS personnel compared REMP data to federal and state monitoring programs as results became available. Historically, the programs used for comparison have included the U.S.
Nuclear Regulatory Commission (NRC) TLD Direct Radiation Monitoring Network and the Mississippi State Department of Health (MSDH), Division of Radiological Health.
The NRC TLD Network Program was discontinued in 1998. Historically these results have compared favorably to those from the GGNS REMP. GGNS TLD results remain 4milar to the historical average and continue to verify that plant operation is not affecting the ambient radiation levelc in the environment.
The MSDH m d the GGNS REMP entail wnilar radiological environmental monitoring program requirement\. These programs include concurrent air \ampling and splitting or sharing sample media such as water, \ediment, fish and food products. Both program5 have obtained Gmilar rewlts over previous years. The results of MSDH5 monitoring program for the reporting period compared favorably with the GGNS REMP and did not indicate elevated levels of radiation or radioactivity build-up attributed to plant operations.
7

Sample Deviations
+ Milk The REMP did not include milk sampling within five miles (8 km) of GGNS in the current year due to unavailability. ODCM Specifications require collection of milk samples if available commercially within 8 km ( 5 miles) of the plant. GGNS personnel collected vegetation samples to monitor the ingestion pathway, as specified in ODCM Specifications Table 6.12.1-1, because of milk unavailability.
+ Required Lower Limit of Detection (LLD) Values LLDs during this reporting period were within the acceptable limits required by the ODCM specifications.
8

+  Air Samples The following air sample locations had reduced run times due to weather-related outages or mechanical problems. As described in footnote (a) to ODCM Specification Table 6.12.1- 1, deviations from the required sampling schedule are permitted due to malfunction of sampling equipment and other legitimate reasons.
Out-of-Sample       Date In      Date Out    RunTime       service         Comments Location                                 hours       hours AS-1 PG       01111105      01118/05      158.06        9.92        Power Outage AS-7 UH       01111105      01118/05      165.72        2.25        Power Outage AS-7 UH       01118/05      01125105      167.19        0.81        Power Outage AS-7 UH       02/01105      02/08/05      168.03        1.82        Power Outage AS-7 UH       04/05/05      04112/05      167.34        0.68        Power Outage AS-1 PG       05/24/05      05/31105      167.30        0.67        Power Outage AS-7 UH       05/24/05      05/31105      168.1 1       1.41        Power Outage AS-7 UH       07/05/05      07112/05      162.79        1.58        Power Outage AS-1 PG       07/05/05      07112/05      162.44        1.48        Power Outage AS-3 61VA     08/23/05      08/30/05      154.60       12.22       Hurricane Katrina AS-1 PG       08/23/05      08/30/05      149.54       18.69       Hurricane Katrina AS-7 UH       08/23/05      08/30/05      148.01       20.92       Hurricane Katrina AS-3 61VA     08130105     09/06/05       163.21        4.66       Hurricane Katrina AS-1 PG       08/30/05     09/06/05        45.15      135.67       Hurricane Katrina AS-7 UH       08/30/05     09/06/05        92.41       73.97       Hurricane Katrina AS-1 PG       09/20/05     09/27/05       167.70        0.95        Hurricane Rita AS-7 UH       11/22/05      11/29/05      163.67        1.51        Power Outage AS-3 61UA     11/29/05      12/06/05      168.28        1.14    Planned Maintenance AS-1 PG       11/29/05      12/06/05      167.64       0.86     Planned Maintenance AS-7 UH       11/29/05      12/06/05      167.46        1.09    Planned Maintenance Based on the sample collection period reductions, air samples were collected the following percentages of the available time:
AS-1 PG           98.1Yo AS-3 61UA         99.8%
AS-7 UH           98.8%
9

+   Missed Samples There were no missed samples in the reporting period.
Unavailable Results GGNS received analytical results in adequate time for inclusion in this report.      In addition. GGNS' review identified no missing results.
Program Modifications In December 2005 one surfrice water sample location: Storm Drain System OUTFALL 007
[Sector N, Radius 0.2 Miles], was added to the REMP. The sampling requirement at this location became effective in January 2006.
Attachments  contains results of TLD, air, water, sediment, fish, food products and special samples collected. TLDs were analyzed by Waterford-3 Dosimetry. All remaining samples were analyzed by River Bend Station's (RBSj Environmental Laboratory. Attaclarnent 1 also contains WBS' results from participation i n the interlaboratory comparison program.

1.0 Introduction 1.1      Radiological Environmental Monitoring Program GGNS established the REMP to ensure that plant operating controls properly function to minimize any associated radiation endangerment to human health or the environment. The REMP is designed for:
0   Analyzing important pathways for anticipated          types and quantities of radionuclides released into the environment.
0   Considering the possibility of a buildup of long-lived radionuclides in the environment and identifying physical and biological accumulations that may contribute to human exposures.
0   Considering the potential radiation exposure to plant and animal life in the environment surrounding GGNS.
Correlating levels of radiation and radioactivity in the environment with radioactive releases from station operation.
1.2      Pathways Monitored The airborne, direct radiation, waterborne and ingestion pathways, as seen in Figure 1- 1, are monitored as required by GGNS ODCM Table 6.12.1- 1 . A description of the GGNS REMP utilized to monitor the exposure pathways is provided in Table 1.1 and 5hown in Figures 1-2 and 1-3. GGNS may supplement this program with additional sampling in order to provide a comprehensive and well-balanced program.
Section 2.0 of this report provides a discussion of sampling results with Section 3.0 providing a summary of results for the monitored exposure pathways.
11

1.3     Land Use Census GGNS personnel conduct a land use census biannually, as required by ODCM Specification 6.12.2. The purpose of this census is to identify changes in uses of land within five miles of GGNS that would require modifications to the REMP or the ODCM. The most important criteria during this census are to determine location in each sector of the nearest:
: 1) Residence
: 2) Animal milked for human consumption
: 3) Garden of greater than 50 m3 (500 ft?) producing broadleaf vegetation.
When performed, GGNS personnel conduct the land use census by:
0   Field surveys in each meteorological sector out to five miles in order to confirm:
Y   Nearest permanent residence Y   Nearest unoccupied residence I   Nearest garden and approximate size F   Nearest milking animal.
Identifying locations on maps, measuring distances to GGNS and recording results on surveillance data sheets.
0   Comparing current land use census results to previous results.
Contacting the Claiborne County Agent for verification of nearest dairy animals.
12

Table 1.1 Radiological Enviroiimental Sampling Program Exposure              Requirement                         Sample Point Description,                  Sampling and             Type and Frequency Pathway                                                     Distance and Direction              Collection Frequency               Of Analyses Airborne -
Radioiodine and Particulates 1 sample close to the SITE              AS-7  U H (Sector H, Radius 0.5 Miles) -  Continuous sampler operation Radioiodine Canister 131; 7 BOUNDARY having the highest             South-southeast of GGNS at the IBEW       with sample collection per 7 days calculated      annual         average  Union Hall.
days or as required by dust groundlevel DiQ.
loading, whichever is more   Patticulate Sampler - Gross frequent                     beta radioactivity following filter change, composite (by location) for gamma isotopic; 92 days Radioiodine and Particulates 1 sample from the vicinity of a         AS-1 PG (Sector G, Radius 5.5 Miles) -
community     having the        highest Southeast of GGNS at the Port Gibson City calculated      annual         average  Barn.
groundlevel D/Q.
Radioiodine and Particulates            AS-3 61VA (Sector t3, Radius 18 Miles)  -
1 sample from a control location 15 -   North-northeast of GGNS on Hwy 61, 30 km (10 - 20 miles) distance.         North of the Vicksburg Airport.
l_____l_
Direct  TLDs Radiation An inner ring of stations in the        M-16 (Sector A, Radius 0.9 Miles)       -            92 days                Gamma dose; 92 days genera.1 areas      of     the    SITE  Meteorological Tower.
BOUNDARY.
M-17 (Sector C, Radius 0.5 Miles)       -
South Side, Grand Gulf Road.
M-19 (Sector E, Radius 0.5 Miles) -
Eastern SITE BOUNDARY Property line, North-northeast of HWSA.
13

Table 1.1 Radiological Environmental Sampling Program Exposure               Requirement                   Sample Point Description,             Sampling and      Type and Frequency Pathway                                               Distance and Direction           Collection Frequency     Of Analyses Direct   TLD:s Radiation An inner ring of stations in the   M-21 (Sector J, Radius 0.4 Miles) - Near         92 days       Gamma dose; 92 days general    areas     of  the  SITE Former Training Center Building on Bald BOUNDARY.                          Hill Road.
M-22 (Sector G, Radius 0.5 Miles) -
Former RR Entrance Crossing On Bald Hill Road.
M-23 (Sector Q , Radius 0.5 Miles) - Gin Lake Road 50 Yards North of Heavy Haul Road on Power Pole.
M-25 (Sector N, Radius 1.6 Miles) -
Radial Well Number -1.
M-28 (Sector L, Radius 0.9 Miles) -
Former Glodjo Residence.
M-94 (Sector R, Radius 0.8 Miles)       -
Sector R Near Meteorological Tower.
TLDis An outer ring approximately 3 to 5 M-36 (Sector P, Radius 5.0 Miles) -
miles from the site.               Curve on HW 608, Point Nearest GGNS at Power Pole.
M-40 (Sector M, Radius 2.3 Miles) -
Headly Drive, Near River Port Entrance.
13

Table 1.1 Radiological Environnieiital Sampling Program Exposure              Requirement                          Sample Point Description,                 Sampling and     Type and Frequency Pathway                                                      Distance and Direction              Collection Frequency    Of Analyses Direct   TLe)s Radiation An outer ring approximately 3 to 5    M-48 (Sector K, Radius 4.8 Miles) - 0.4                 92 days       Gamma dose; 92 days miles from the site.                  Miles South on Mona Gomer Road on West Side.
M-49 (Sector H, Radius 4.5 Miles) - Fork in Bessie Weathers RoadiShaifer Road.
M-50 (Sector B, Radius 5.3 Miles)       - Panola Hunting Club Entrance.
M-55 (Sector D, Radius 5.0 Miles) - Near Ingelside Karnac Ferry RoadiAshland Road Intersection.
M-57 (Sector F, Radius 4.5 Miles) - Hwy 61, Behind the Welcome to Port Gibson Sign at Glensdale Subdivision.
TLDs 8 siations in special interest areas  M-01 (Sector E, Radius 3.5 Miles) - Across such as population centers, nearby    the road from Lake Claiborne Entry Gate.
residences, schools, and in 1 or 2     (Special Interest) areas to serve as control stations.
M-07 (Sector G, Radius 5.5 Miles) - AS-1 PG, Port Gibson City Barn. (Special Interest)
M-09 (Sector D, Radius 3.5 Miles)      - Warner Tully Y-Camp. (Special Interest)
M-10 (Sector A, Radius 1.5 Miles) - Grand Gulf Military Park. (Special Interest) 15

Table 1.1 Radiological Environmental Sampling Program Exposure                Requirement                        Sample Point Description,            Sampling and      Type and Frequency Pathway                                                      Distance and Direction         Collection Frequency     Of Analyses Direct   --TLDs Fiadiation 8 stations in special interest areas  M-14 (Sector B, Radius 18.0 Miles) - AS        92 days       Gamma dose; 92 days such as population centers, nearby    61VA, Hwy 61, North of Vicksburg Airport.
residences, schools, and in 1 or 2  (Control) areas to serve as control stations M-33 (Sector P, Radius 12.5 Miles) -
Newellton, Louisiana Water Tower. (Special Interest)
M-38 (Sector M, Radius 9.5 Miles) - Lake Bruin State Park. Entrance Road. (Special Interest)
M-39 (Sector M, Radius 13.0 Miles) - St.
Joseph, Louisiana, Auxiliary Water Tank.
(Special Interest) 16

Table 1.1 Radiological Environmental Sampling Program Exposure                Requirement                          Sample Point Description,                     Sampling and         Type and Frequency Pathway                                                        Distance and Direction                 Collection Frequency          Of Analyses
           ~-
Waterborne Surface Water 1 sarnple upstream.                                                          -
MRUP (Sector R, Radius 1.8 Miles) At least 4500               92 days       Gamma isotopic and tritium ft upstream of the GGNS discharge point into the                            analyses; 92 days Mississippi River to allow adequate mixing of the Mississippi and Big Black Rivers.
1 sarnple downstream.                MRDOWN (Sector N, Radius 1.6 Miles) At least -
5000 ft downstream of the GGNS discharge point into the Mississippi River near Radial Well No. 1.
1 sample downstream during a Liquid  MRDOWN (Sector P, Radius 1.3 Miles) -                        366 days       Gamma isotopic and tritium Radwaste Discharge.                  Downstream of the GGNS discharge point into the                             analyses; 366 days Mississippi River near Radial Well No. 5.
1 sarnple from Outfall 007           QUTFALL 007 (Sector N, Radius 0.2 Miles)       - Storm        31 days       Tritium; 31 days Drain System 17

Table 1.1 Radiological Environmental Sampling Program
;  Exposure                   Requirement                        Sample Point Description,                 Sampling and           Type and Frequency I   Pathway                                                         Distance and Direction             Collection Frequency            Of Analyses 1 Waterborne    Groundwater Samples from 2 sources.                 PGWELL (Sector G, Radius 5.0 Miles) -                366 days        Gamma isotopic and       tritium Port Gibson Wells - Take from distribution                           analyses; 366 days system or one of the five wells.
CONSTWELL (Sector Q, Radius 0.4 Miles)
                                                        -  GGNS Construction Water Well - Taken from distribution system or the well.
Sediment From Shoreline 1 sarnple from downstream area.         SEDHAM (Sector N, Radius 1.6 Miles) -                366 days        Gamma isotopic; 366 days Downstream of the GGNS discharge point in the Mississippi River near Hamilton Lake outlet.
1 sarnple from upstream area.           SEDCONT (Minimum of 100 yds) -
Upstream of the GGNS discharge point in the Mississippi River.
  ~   _   _   _ _
Ingestion   -
Milk 1 sample from milking animals within 8  Currently, no available milking animals within 92 days when required Gamma isotopic and 1-131; 92 km if milk is available commercially. 8 km of GGNS.
days 1 control sample (only if indicator     ALCONT (Sector K, Radius 10.5 Miles) -
exists) >8 km if milk is available. Located South-southwest of GGNS at Alcorn State University.
18

Table 1.1 Radiological Environmental Sampling Program Exposure              Requirement                          Sample Point Description,                Sampling and             Type and Frequency Pathway                                                     Distance and Direction              Collection Frequency             Of Analyses Ingestion -
Fish 1 sample in       vicinity  of  GGNS   FISHDOWN - Downstream of the GGNS                    366 days         Gamma isotopic      on  edible discharge point.                       discharge point into the Mississippi River                            portion; 366 days 1 sample    uninfluenced by GGNS       FISHUP - Upstream of the GGNS discharge discharge.                             point in the Mississippi River uninfluenced by plant operations.
Food Products 1 sample of broadleaf vegetation       VEG-J (Sector J, Radius 0.4 Miles) - South     92 days when available Gamma isotopic and 1-131; 92 grown in one of two different offsite  of GGNS near former Training Center on                                days locations with highest anticipated     Bald Hill Road.
annual average ground level DiQ if milk sampling is not performed.
1 sample of similar vegetation grown   VEG-CONT (Sector K, Radius 10.5 Miles) -
15 30 km distant if milk sampling is   Alcorn State University south-southwest of not performed.                         GGNS when available, otherwise a location 15-30 km distant.
19

FIGURE 1-1 Exposure Pathways 20

FIGURE 1-2 SAMPLE COLLECTION SITES - NEAR FIELD 21

FIGURE 1-3 SAMPLE COLLECTION SITES - FAR FIELD 22

2.0 Interpretation and Trends of Results 2.1     Air Particulate and Radioiodine Sample Results GGNS did not detect any plant related gamma emitting radionuclides in the quarterly air particulate composites or Iodine- 131 in the radioiodine cartridges during the reporting period, as has been the case in previous years. The REMP detected radioactivity in this pathway attributable to other sources twice. These include the 25th Chinese nuclear test explosion in 1980, and the radioactive plume release due to reactor core degradation at Chernobyl Nuclear Power Plant in 1986. Therefore, the airborne exposure pathway has been unaffected by the operation of GGNS and airborne concentrations continue to be at background levels.
Table 3.1, which includes gross beta concentrations, provides a comparison of the indicator and control means and ranges, further emphasizes that the airborne pathway continues to remain at background levels. In the absence of plant-related gamma radionuclides, gross beta activity is attributed to naturally occurring radionuclides.
Consistent trends are present for control and indicator locations. This further supports the presence of naturally occurring activity.
2.2     Thermoluminescent Dosimetry Sample Results GGNS calculates dose by subtracting shield readings from control and indicator location readings and reports measured dose as net exposure normalized to 92 days.
GGNS relies on comparison of the indicator locations to the control location as a measure of plant impact, Gamma radiation dose in the reporting period is compared to control location readings for previous years as shown in Figure 2- 1.
GGNS comparison of the indicator rewlts to the control and to previous indicator results, as seen in Figure 2-1 and Table 3.1, indicates that plant operations had no significant impact on ambient radiation levels during the reporting period.
With the exception of TLD location M-21 (Sector J, 0.4 miles), levels continue to remain at or near background. The dose rate at location M-21 is caused by increased Nitrogen- 16 levels associated with hydrogen injection to the feed water system.
Hydrogen injection provides protection against Intergranular Stress Corrosion of plant components. Location M-21 dose rate of 4.4 millirem per quarter greater than the Control location M-14 (sector B, 18.0 miles) remains well below the limitations of 10 CFR 20.1301 (a)( 1) and 10CFR 20.1302(b)(2)(ii).
23

Figure 2- 1 m Wqtr             2000-2005 TLD Readings 16.0 0
X                            2000-2004 0                               Control Location 12.0              A A               X                  kxirmrn a x                                    A
(+2 Stdev)
X x x             A            a x 2000-2004 8.0                                              Control Location Mtnirmrn A
(-2 Stdev) 4.0 24

2.3     Water Sample Results Analytical results for surface water and groundwater samples were similar to those reported in previous years.
Surface water samples were collected from two indicator and one control location and analyzed for gamma emitting radionuclides and tritium. Plant related gamma emitting radionuclides and tritium remained undetectable in the upstream and downstream Mississippi River locations, which is consistent with preoperational and previous operational years. In addition, gamma emitting radionuclides and tritium were undetectable in the downstream sample collected during a liquid radwaste discharge.
Groundwater samples were collected from two locations (indicator and control) and analyzed for gamma emitting radionuclides and tritium. GGNS did not detect any plant related gamma emitting radionuclides or tritium in groundwater samples during the reporting period.
Based on review of results and previous historical data, GGNS concluded that plant operations had no significant impact on this pathway during the reporting period.
2.4     Sediment Sample Results Sediment samples were collected from two ODCM Specification locations (indicator and control) and analyzed for gamma emitting radionuclides. In this reporting period, plant related gamma emitting radionuclides were below detectable concentrations in the upstream (control) and downstream (indicator) location.
2005 REMP data is conaistent with the previous monitoring periods. Therefore, GGNS concluded that plant operations had no significant impact on this pathway during the reporting period.
25

2.5     Milk Sample Results GGNS personnel did not collect milk samples within five miles of the site in the reporting period due to the absence of commercial milk production. Since there are no dairies within five miles of GGNS, it is concluded GGNS' operation had no impact on this pathway.
2.6     Fish Sample Results Fish samples were collected from two locations (indicator and control) and analyzed for gamma emitting radionuclides. GGNS did not detect any plant related gamma emitting radionuclides in fish samples during the reporting period, as has been the case in preoperational and previous operational years. These results indicate that this pathway has not been affected by plant operations.
2.7     Food Product Sample Results Food product samples, primarily broad leaf vegetation. were collected from control and indicator locations when available and analyzed for gamma emitting radionuclides.
GGNS did not detect any plant related gamma emitting radionuclides in vegetation samples during the reporting period. Nuclides detected previously at the control and indicator locations are attributed to the Chernobyl release and atmospheric weapons testing. These results indicate that this pathway has not been affected by plant operations.
Five special samples of vegetation were collected at an offsite location to supplement the REMP. GGNS did not detect any plant related gamma emitting radionuclides in vegetation samples during the reporting period.
One special sample of venison was collected on the GGNS property to supplement the REMP. GGNS did not detect any plant related gamma emitting radionuclides in the venison sample during the reporting period.
26

2.8     Land Use Census Results The latest Land Use Census was performed April 10-12, 2006. Methods utilized include:
visual surveys, door to door surveys, telephone interviews, GPS. Aerial Photography, and consultation with the local county agent concerning dairy production in Claiborne County.
During the survey the following questions were asked:
1). Name of occupant 2). Address 3). Number of people residing at residence 4). Age group of occupants 5). Any farm animal raised for human consumption 6). Any dairy production 7). Maintain a garden Changes from the previous Land Use Census were evaluated in accordance with GGNS Surveillance 06-EN-S000-0-0002. The differences were compared to the locations and assumptions used in calculations for compliance with the Offsite Dose Calculation Manual (ODCM), LCO 6,1 1.6. It was determined that the locations and assumptions currently used in ODCM, revision 32, are more conservative than any of the changes.
27

Table 2-1 Land Use Census Results Garden residence in same location as last census'?
: b. Is nearest milk aniinal in same location as last census?
: c. Is nearest broadleaf garden in same location as last census?
* Change from last census, see attached table of Land Use Census Changes 28

Table 2-1 Land Use Census Results I                         Parameter                                Sector E
* Sector F
* Sector G Sector H I. Nearest Occupied           a. Distance (mile)                      0.89                                  1.11 esidence                    b. Number of Occupants                    3                                     6
: c. Degrees from true north              86.9             101.5       129.7    152.5 II. Nearest                   a. Distance (mile)                      0.83            None          1.93    1.08 UnoccupieclResidence (closer than occupied                                                                          I residence)
UJN IHI. Nearest Milk             a. Distance                            None                                   None AHzirnal IV. Nearest Broadleaf         a. Distance (mile)                      0.89                          3.81     1.11 Garden                        b. Garden size ift2)                   =loo0                         =1600    = 500
: c. Decrees from true north              86.9             114.3       129.1    152.5 V. Census Comparison          a. Is nearest occupied residence i n sanie location as last census'?             No               Yes         Yes      Yes
: b. Is nearest milk animal i n same location as last census'?       N/A              N/A         N/A      N/A
: c. Is nearest broadleaf garden in same location as last ctmsus?        Yes               No          Yes      Yes
         $:   Change from last census, see attached table of Land Use Cciisus Changes
         'g's Could not be determined 29

I Table 2-1 Land Use Census Results I                        Parameter                               I Sector J          Sector K
* Sector L* Sector M Nearest Occupied         a. Distance (mile)                      3.16             2.23       0.89     None
: b. Number of Occupants                    2                1         2
: c. Degrees from true north             174.3             196.9     219.7
: a. Distance (mile)                     None             None       None      None
: a. Distance                            None             None       None      None IV. Nearest Broadleaf        a. Distance (mile)                      3.16              2.23      0.89     None Garden                       b. Garden size Cft')                   = 500            = 2500     = 300
: c. Degrees from true north              174.3            196.9     219.7
: a. Is nearest occupied residence in same location as last census'?             Yes              Yes       Yes
: b. Is nearest milk animal i n same location as last census?        N/A              N/A       N/A
: c. Is nearest broadleaf garden in same location as last census'?        Yes              Yes       Yes
  'I' Chmge from last census, see attached table of' Land Use Census Changes 30

Table 2-1 Land Use Census Results Parameter                               I Sector N
: a. Distance (mile)                     None
: b. Number of Occupants
: c. Decrees from true north
: a. Distance (mile)                    1.61
: a. Distance                           None           None       None I
IV. Nearest Broad.leaf         a. Distance (milc )                   None           None  None  1.46 Garden                                                                                         = 4000 342.9 location 11slast census'?                          NIA  NIA   Yes
: b. Is nearest milk aiiiinal i n same location as last census?                      N/A  NIA   NIA I
N/A  N/A   Yes
:i' Change from last census, see attached table of Land Use Census Changes 31

Land Use Census Changes SECTOR     PARAMETER                         Reason for Change A       Nearest Occupied                     Name Change Residence A        Nearest Garden                   New nearest garden Nearest OccLipied E                              Moved out from 0.83 miles to 0.89 miles Re4idence E     Unoccunied Residence                 House unoccutied l    E   I     Garden Size       1 More accurate size. now two -500 ft gardens I F        Nearest Garden                   New nearest garden K         Garden Size                      More accurate size L         Garden SiLe                      More accurate size 32

2.9     Interlaboratory Comparison Results River Bend Station (RBS) Environmental Laboratory analyzed interlaboratory comparison samples to fulfill the requirements of the ODCM Specifications 6.12.1. , Radiological Environmental Monitoring Report, contains these results in Table 9.1. GGNS review of RBS interlaboratory comparison indicated that 97.5% [40 of 411 of results were within control limits for accuracy, 100% [41 of 411 of results were within control limits for precision 33

3.0 Radiological Environmental Monitoring Program Summary 3.1    Program Results Summary Table 3.1 summarizes the REMP results. GGNS personnel did not use values reported as less than the lower limit of detection (<LLD) when determining ranges and means for indicator and control locations.
34

TABLE 3.1 Radiological Environmental Monitoring Program Summary Name of Facility: Grand Gulf Nuclear Station              Docket No: 50-416 Location of Facility: Claiborne County, klissis-                                                -
Reporting Period: January December 2005 Sample Type       Type & Number          LLD            Indicator Locations          Location with Highest Annual Mean        Control Locations   Number of
( [Jnits )      of Analyses a                              Mean ( F )                                                          Mean ( F )      Nonroutine
[ Range ]                                                           [ Range 1       Results Mean F )
Location d               [ Range 1 Air Particulates      GB       156           0.0 I         0.029 ( 101I 10-1)             AS-I PG            0.026 ( 52 152 j    0.025 ( 52 1 5 2 )
(pCi/m3 )                                                [ 0.0 10 - o.os4 ]       [Scctor G. 5.5 mi )    [ 0.010 - 0.054 ]   [ 0.01 I - 0.066 ]
GS        12 cs-I31              0.05                  <LLD                      NIA                     N/A               <LLD cs-137              0.06                  <LLD                      NIA                     NIA               <LLD Airborne Iodine       1-131    156           0.07                  <LLD                      NIA                     NIA               <LLD             0
( pCi/m3 )
Inner King TLDs      C;allltua  36                             9.2 ( 36 I 3 6 )             M-2 1                13.7 (414j             NIA
( mR/Qtr )                                                  [ 5.9 - 15.3 1        ( Sector J. 0.4 mi. )     [ 12.2- 15.3 J Outer Ring TLDs      Ganlrlla   28                             8.8 ( 281 28 )               M-57                 10.2 ( 4 I 4 )         N/A
( iiiR/Qtr )                                                1 5.7 - I 1.4 ]        (Sector F. 4.5 mi.)       [ 9.2 - 1 1.4 ]
Special Interest TLDs  Gnlnlna    28                             8.5 ( 28 I 2 8 )             M-01                 10.6 ( 414 )           NIA
( mR/Qtr )                                                  [6.3-11.5]            ( Sector E, 3.5 mi. )      [ 9.7 - 11.5 ]
Control TLDs         Gamma      4                                  N/A                      NIA                     NIA            9.3 ( 4 1 4 )
( niR/Qtr )                                                                                                                     [ 7.9 - 10.8 ]
35

TABLE 3.1 Radiological E~ivironmeatalMonitorine Propram Summary Name of Facility: Grand Gulf Nuclear Station            Docket No: 50-416 Location of Facility: Claiborne County, blississippi            Reporting Period: January - December 2005
                                                                    ~~~~          ~
Type 24 Number                          Indicator Location               Location with Highest Annual Mean        Control Locations Number of of Analyses a                              Mean ( F )                                                               Mean ( F )     Nonroutine
[ Range 1                                                                 Range 1       Results Mean ( F )
Location d               [ Range ]
H-3           I0                              < LLD                          NIA                     NIA              <LLD             0 Ci S          12 1-131                                   <LLD                           N/A                     N/A              <LLD             0 MI\-54                                  <LILD                          NIA                     NIA              <LLD             0 Fe-SC)                                  <LLD                           NIA                     NIA              <LLD             0 co-58                                   <LLD                           N/A                     NIA              <LLD             0 CO-60                                   <LL,D                          WIA                     N/A              <LLD             0 zn-65                                   <I.LD                          NIA                     N/A              <LLD             0 Zr-95                                   <LL,D                          NIA                     N/A              <LLD             0 Nh-95                                   <LLD                           NIA                     N/A              iLLD             0 c4-131                                  <LLD                           N/A                     NIA              <LLD             0 CS- I 37                                .=LL,D                         N/A                     N/A              <LLD             0 Ba- 140                                 <LLD                           NIA                     Nlh              <LLD             0 La- I40                                 <LLD                           NIA                     NIA              <LLD             0 36

TABLE 3.1 Radiological Environmental hlonitorinp Program Summarv Name of Facility: Grand Gulf Nuclear Station      Docket No: 50-416 Location of Facility: Claiborne County. miss is^            Reporting Period: Qanuarv - December 2005 Sample Type  Type S: Niimber         LLD            Indicator Locations         Location with Highest Annual Mean      Control Locations Number of
( tinits )  of Analyses a                             RIean ( F )                                                        Mean ( F 1    Nonroutine
[ Range 1                                                          [ Range 1     Results Mean ( F )
Location d            [ Range ]
Groundwater    H-3          1.        2000                 <LLD                     N/A                   N/A                 <LLr)          0 (pCi/l 1-131        2            1                 <LLD                     NlA                   N/A                 <LLD           0 C;S          4 MII-54                15                 <LL,D                    NIA                   N/A                 <LLD           0 FC-59               30                  <LI.D                    NIA                   NIA                 <LL,D          0 CO-S8                 15                 <L,LD                    NIA                   N/A                 <LLD           0 C<)-60                15                 <L.LD                    N/A                   N/A                 <LLD           0 Zn-65                30                  <LLD                     N/A                   NIA                 <ILD           0 zr-95               30                  <L,LD                    N/A                   N/A                 <LL,D          0 Nb-95                 15                 <L,LD                    NIA                   N/A                 <LLD           0 cc-131               15                  <L,LD                    N/A                   NlA                 <LLD           0 c s - 137             18                 <L,LD                    NIA                   N/A                 <LLD           0 Ba- 140               60                  <LLU                     Nlh                   N/A                 <LLD           0 La- I10               15                 <I ,LD                   NIA                   NIA                 <LLD           0 Sediment    GS             4
( pCi/kg )       cs-I33               150                 <LLD                     N/A                   N/A                 <LLD           0 cs-137               180                                          N/A                   N/A                 <LLD           0
                                                                           .? 7

TARLE 3.1 Radioloaical Environmental Monitoring Propram Summarv Name of Facility: <;-randGulf Nuclear Station     Docket No: 50-416 Location of Facility: Claiborne County, Mississippi       Reporting Period: January - December 2005 Sample Type  Type & Number                LLD             Indicator Location     Location with Highest Annual Mean     Control Locations Number of
( IJnits )    of Analyses                                   Mean ( F )                                                  Mean ( F )     Nonroutine
[ Range 1                                                    [ Range 1     Results Mean ( F )
Location d          [ Range 1 GS              4 Mn-51                    130                  <ZLD                  N/A                 N/A                <LLD           0 Fe-59                   260                  <LL.D                 NIA                 NIA                <LLD           0 CO-S8                   130                  <LLD                  NIA                 Nlh                <LLD           0 co-60                   130                  4,LD                  NIA                 NIA                <LLD           0 Zn-65                   360                  <LLD                  NIA                 NIA                <LLD           0
( 2 5 - 134              I30                  <LLD                  NIA                 N/A                <LLD           0 cs-I37                   150                  <LLD                  N/A                 N/A                <LLD           0 Food Products 1-131             I0                                <LLD                  NIA                 NIA                <LLD           0
( pCi/kg )
c; S              10 cs- 13.1                                      <L.LD                 NIA                 NIA                <LLD           0 c s - 137                                     <L,LD                 NIA                 NIA                <LL,D          0 38

TABLE 3.1 Radiological Environmental Monitoring Program Summary Name of Facility: Grand Gulf Nuclear Station     Docket No: 50-416 Location of Facility: Claiborne Countv, Mississitmi       Reporting Period: January - December 2005 Sample Type             Type & Number          LLD b         Indicator Location     Location with Highest Annual Mean           Control Locations
( Units )             of Analyses a                           >lean ( F )                                                         Mean ( F )
[ Range 1                                                            Range 1 Mean ( F )
Location d             [ Range ]
Venison               GS            I (Special)                 Mn-51                                  <LLD                  NIA                   NIA                     NIA
( pcikg                     Fc-SC)                                <LLD                  NIA                   NIA                     NIA Co-sx                                  <LLD                  NIA                   NIA                     NIA CO-60                                  <LLD                  NIA                   NIA                     NIA Zn-65                                 <L,LD                 N/A                   NIA                     NIA c\-131                                 <L,LD                 NIA                   NIA                     NIA Ca- 137                                <L,LD                 NIA                   NIA                     NIA Food Products              1-131       5          60                 <L.LD                 NIA                   NIA                    <LLD (Special) pCi/Kg                GS          5 cs-131              60                 <L,LD                 NIA                   NIA                    <LLD CIS- I37            80                 <LLD                  N/A                   N/A                    <LLD a GB = Gross beta; 1-131 = Iodine-131; H-3 = Tritium; GS = Gamma scan.
LLD = Required lower limit of detection based on GGNS ODCM Table 6.12.1-3.
  \lean and range based upon detectable measurements only. Fraction of detectable measurements at specified locations is indicated in parenthesis (F).
  "here applicable, locations are specified by name, distance from reactor site and meteorological sector.
Non-routine results are those which exceed ten times the control station value. If no control station value is available, the result is considered non-routine if it exceeds ten times the preoperational value for the location.
LLD is not defined in GGNS ODCM Table 6.12.1-3.
39

Attachment 1 Radiological Monitoring Report Summary of Monitoring Results

Attachment 1 TABLE 1.1 AIR PARTICULATE FILTER GROSS BETA AND 42 CHARCOAL CARTRIDGE IODINE-131 TABLE 1.2 AIR PARTICULATE FILTER GAMMA          51 TABLE 2.1 THERMOLUMINESCENT DOSIMETERS          52 TABLE 2.2 THERMOLUMINESCENT DOSIMETERS          53 TABLE 2.3 THERMOLUMINESCENT DOSIMETERS          54 TABLE 3.1 SURFACE WATER GAMMA                   55 TABLE 3.2 SURFACE WATER TRITIUM                 56 TABLE 4.1 GROUNDWATER GAMMA                     57 TABLE 4.2 GROUNDWATER TRITIUM                   58 TABLE 4.3 GROUNDWATER IODINE-131                59 TABLE 5.1 SEDIMENT                              60 TABLE 6.1 FISH                                  61 TABLE 7.4 FOOD PRODUCTS                         62 TABLE 8.1 SPECIAL SAMPLES                       63 TABLE 9.1 INTERLABORATORY CBMPARISBIV           64

Table 1 . 1 Sample Type: Air Particulate Filter and Radioiodine Cartridge Analy4s: Gross Beta and I- 131 Units: pCi/m' SAMPLE, AS-1 PG - GGNS Nearest Community LLD (pCi/mA3)    AS-1                                               0.07        0.01 LAB ID                              START DATE END DATE            1-131    GROSS BETA 2005000 1                            12/28/2004     I /4/2005     < 0.016  0.019 +/- 0.002 200500 I9                              I /4/'005   1 1I 1/2005    < 0.015  0.0 13 +/- 0.002 20050062                              1 / 1 1/2005 1/ I Ki2005    < 0.016  0.034 +/- 0.003 2 005(1070                            1 / 1 8/2005 1/25/2005      < 0.018  0.028 +/- 0.002 100500'>6                             112512005     21 1/2005     < 0.016  0.02 1 +/- 0.002 20050 103                              ?/ 1/2005    2/8/2005      < 0.020  0.017 +/- 0.002 70050 I33                              2/8/2005    2/ I 51200s    < 0.017  0.024 +I- 0.002 70050 166                             21 1 5/2005  2/22/2005      < 0.016  0.027 +/- 0.002 20050 188                             2/22/2005     31 1 /2005    < 0.012  0.029 +/- 0.002 200507 I4                              31112005     3/8/2005      < 0.017  0.025 +/- 0.002 200502-!0                              3/8/2005    311512005      < 0.0 I6 0.011 +/- 0.002 7 00502~ 4                            i/  1m o o 4 3/22/2005      < 0.019  0.02 1 +/- 0.002 700503 I 0                            3/22/2005    3/29/3005      < 0.012  0.013 +/- 0.002 10050334                              3/19/2005     4/5/2005      < 0.017  0.017 +/- 0.002 3 ) 0 5 0372                           4/5/2005    4113/2005      < 0.017  0.016 +/-0.002 2005()-LOO                            A/ I 2/3005  4l 19i2005     < 0.019  0.02 1 +/-0.002 200504 14                             4/ I 912005  4/26/2005      < 0.013  0.01 8 +/-0.002 ZOO504.34                             4/26/2005     5/3/2005      < 0.018  0.022 +/- 0.002 1
42

0.07       0.01 START DATE END DATE          1-13]  GROSS BETA 5/3/2005   51 10/2005     < 0.016 0.024 +I- 0.003 5/1 012005  511 712005     < 0.015 0.028 +/- 0.002 5/1712005   5/24/2O()5     < 0.016 0.027 +/- 0.002 512412005   513 112005     < 0.014 0.020 +I- 0.002 513 I12005   61712005      < 0.014 0.016 +/- 0.002 6/7/2005   hl I112005     < 0.014 0.010 +/- 0.002 611 -moos   612 112005     < 0.01s 0.023 +/- 0.003 612 112005  61281201~5     < 0.034 0.035 +I-0.002 612812005    7/5/2005      < 0.014 0.0 18 +/- 0.002 7/5/3005   71I 212005     < 0.018 0.01 7 +I-0.002 7/ I 212005 711912005      < 0.015 0.01 I +/- 0.002 711 912005  7/26/2005      < 0.017 0.020 +/- 0.002 7/26/2005    Xl212005      < 0.014 0.024 +/- 0.002 81212005    81~)12005     < 0.016 0.026 +/- 0.002 819/300S   XI 1612005     < 0.016 0.025 +/- 0.001-81 1hl2005  x12312oo.s     < 0.015 0.01 8 +/- 0.002 812il2005   817017005      < 0.070 0.048 +/- 0.005 8/30/2005    9l612005      < 0.058 0.054 +I- 0.00 1 9/6/2005   91 1 712005    < 0.020 0.043 +I- 0.003 911 712005  9/2~)/20i~S    < 0.017 0.024 +/- 0.002 2
43

LLD (pCilm"3) AS-1                          0.07       0.01 LAB ID             START DATE END DATE     1-131  GROSS BETA 9/20/2005             < 0.017 0.028 +/- 0.003 9/27/2005            < 0.019 0.026 +/- 0.002 2005 118             1 C)/4/2005          < 0.018 0.0 I9 +/- 0.002 1005 158            I o/ 1 1/2005         < 0.018 0.049 +/- 0.003 2005 1 04           I O/ 1 812005         < 0.018 0.041 +/- 0.003 1005 21'1           1 0/2s/200s           < 0.016 0.028 +/- 0.002 1 1/ I /2005         < 0.018 0.029 +/- 0.003 1 1 lKi2005         < 0.016 0.028 +/- 0.002 1 1 / 1Y2005          < 0.029 0.033 +/- 0.003 2005 298            I 1/22/2005           < 0.018 0.03 1 +/- 0.003 2005 31.1           I 1/29/2005           < 0.018 0.037 +/-0.003 2005 347              12/6/2005           < 0.015 0.043 +/-0.003 2005 385            I 2/ 1 312005         < 0.028 0.03 1 +/- 0.003 2005 409            I2/20/2005            < 0.014 0.038 +/-0.003 Average:                                              0.026 hlaxinium                                             0.054 Minimum:                                              0.010 43

Trrblc 1 . 1 Sainpk Type: Air Particulate Filter and Radioiodine Cartridge Aiiitlyais: Gross Beta and 1-13 1 units : p ~ i / i 'u PLE AS-3 6PVA - GGNS - Control 0.07         0.01 START DATE END DATE          1-131   GROSS BETA I2/2812004     I /4/3005   < il.016 0.019 +/- 0.002 1 /1/7005   I / 1 1/7005 < 0.016  0.013 +/- 0.002 I / 1 1I2005 1 I1 Xi2005  < 0.015  0.032 +/- 0.002.
1 I1 812005  1 12512005   < 0.015  0.029 +/- 0.002 1125/2005     3-/ 1 /2005 < 0.014  0.02 1 +/- 0.003 2/ 11200s    2/1117005   < 0.017  0.01 8 +/- 0.002 7/8/2005    2/15/2005    < 0.017  0.026 +/- 0.002 21 1s12005   2/22/2005    < 0.016  0.025 +/- 0.007 2/~'/2005     3/1/1005    < 0.0 I6 0.03 I +/- 0.002 311/2005     3/Xl'OO5    < 0.020  0.023 +/- 0.002 3/8/2005    31 1 5/2005  < 0.015  0.0 16 +/- 0.002 3/ 1 5/200J  3/12/2005    < 0.016  0.0 17 +/- 0.002 3127/200s    .v29/2005    < 0.017  0.017 +/- 0.002 3iZ913005     4/512005    < 0.016  0.016 +I-0.002 11512005    1/12/2005    < 0.017  0.0 13 +/-0.002 41 I2/2005   i/  1 9/2005 < 0.018  0.020 +/-0.002 4 I9/2005    1i2612i105   < 0.015  0.020 +I-0.00' 1/76/7005     51311-0ij5  < 0.017  0.023 +/- 0.002

LLD (pCi/mA3)                              0.07        0.01 LAB ID        START DATE END DATE          1-131  GROSS BETA 5/3/2005   5/ 1 0/2005    < 0.020 0.025 +/- 0.002 51 1012005  51 1 7/2005    < 0.019 0.026 +/- 0.002 51 I 7/2005 5/24/2005      < 0.017 0.027 +/- 0.002 5/24/2005   5/3 11200s     < 0.016 0.020 +/- 0.002 513 112005   6/7/2005      < 0.016 0.017 +I- 0.002 6/7/2005   611 m o o 5    < 0.019 0.0 12 +/- 0.002 61 I4/2005  612 112005     < 0.013 0.025 +I- 0.002 612 1 I2005 6/28/1005      < 0.029 0.066 +I- 0.003 6/28/2005    7/5/2005      < 0.019 0.0 16 +/- 0.002 7/5/3005   71I 212005     < 0.014 0.0 14 +/- 0.002 711 2/2005  71I WOO5       < 0.019 0.01 1 +/- 0.002 7119l2005   7/26/2005      < 0.014 0.017 +I- 0.002 7/26/2005    8/3/2005      < 0.014 0.023 +/- 0.002 Y/2/2005   x/9/2005      < 0.018 0.026 +I- 0.002 8/9/2005  8/ 1 hi200S    < 0.018 0.02 I +/- 0.002 8/ 1612005 8/23/2005      < 0.018 0.016 +/- 0.002 8/23/2005  8/39/2005      < 0.068 0.045 +I- 0.005 8/30/2005   C)/h/2005     < 0.017 0.039 +/- 0.003 9/6/2005  9/ I 3/2005    < 0.016 0.039 +I- 0.003 91I 312005 9/20/20os      < 0.016 0.024 +/- 0.002 46

0.07        0.01 LAB ID       START DATE END DATE                1-131   GROSS BETA 2005 1007     9/20/2005       9/27/2005        < 0.018 0.026 +/- 0.002 2005 I Oh8    9/27/2005       10/4/3005        < 0.019 0.022 +/- 0.002 2005 I I 19    10/3/2005     I o/ 1 1 /2005    < 0.017 0.0 1s +/- 0.002 1005 1 15)   101I I12005    1 01 1 8/2005     < 0.023 0.043 +/- 0.003 3005 1 195    1O/ 1 8/2005   I0/25/2005        < 0.019 0.03%+/- 0.003 2005 I120     I0/25/2005      1 11112005       < 0.017 0.022 +/- 0.002 2005 1262      1 1/ I /2005    I 1/8/2005      < 0.021 0.026 +/- 0.002 2005 I268      I 1 /8/2005   I 1 / I5/2005     < 0.017 0.025 +/- 0.002 2005 1295     1 I / I 5/2005 1 I /21/2005      < 0.035 0.03 1 +/- 0.003 2005 I299     1 1/22/2005    1 I/29/2005       < 0.017 0.030 +/- 0.003 LO05 13-44    1 1/39/2005      12/6/2005       < 0.021 0.032 +/-0.003 2005 17-48     12/6/200S     I2/ I w o o 5     < 0.017 0.041 +/- 0.001 1005 1 3 8 h  121I3/2005     1 2/20/2005       < 0.018 0.029 +/- 0.003 2005 14 10    11/20/2005     12/27/2005        < 0.017 0.036 +/-0.003 Average:                                                   0.025 hIaximurn                                                  0.066
 ~linimum:                                                  0.01 1 47

Table 1 . 1 S~umpleType: Air Particulate Filter and Radioiodiiie Cartridve Anal) \is: Gross Beta and I- 131 U n i t \ : pCi/mi SAMPLE AS GGNS - Indicator LLD (PCilIll3)    i\S-7UH                                           0.07        0.01 LAB ID                              START DATE, IEND DATE            1-131   GROSS BETA 2( ~i)SO003                          12/28/2004       I1112005      < 0.018 0.016 +/- 0.002 2005002 I                               1/4/2005    I / 1 112005    < 0.015 0.014 +/- 0.002 200.50( )64                           I / I 1/2005  1 I1 8/2005     < 0.017 0.03 1 +/- 0.002 20050072                              I / I x/2005  1125i21~05      < 0.016 0.028 +/- 0.002 20050098                              I /25/2005     21 112005      < 0.015 0.018 +/- 0.002 20050 I05                              21 112005     2/s/2005       < 0.015 0.015 +/- 0.002 20050 I 15                             2/8/2005    21 15/2005       < 0.016 0.027 +/- 0.002 20050 1 68                            2/ 1 5/2005  2/22/2005        < 0.018 0.024 +/- 0.002 20050 I90                             212 212 005    ?I1/2005       < 0.013 0.027 +/- 0.002 200.502 I6                             3/ I I2005    3/x/2005       < 0.010 0.021 +/- 0.002 20050242                               1/8/2005     Vl512C)OS       < 0.020 0.0 16 +/- 0.002 7_00502S6                             31 15/2004    3/22/2005       < 0.017 0.020 +/- 0.002 LOO503 I2                             1/22/2005     3/29/2005       < 0.016 0.012 +/- 0.002
?_0050336                             3/29/2005      4/.5/2005      < 0.017 0.019 +/-0.002 20050 171                              4/5/2005    411212005        < 0.01s 0.016 +/-0.002 0050102                              411 2/2005   411 9/2005       < 0.015 0.019 +/-0.002
.10050116                             4/ I 9/2005  4/26/3005        < 0.015 0.019 +/-0.002
?005013h                              4/2b/2005      5/3/2005       < 0.017 0.02 1 +/- 0.002 1
48

LLD (pCi/mA3)                              0.07         0.01 LAB ID        START DATE END DATE          1-131   GROSS BETA 20050462        513/2005   51 1 012005    < 0.018  0.02s +I- 0.002 20050474       5/ 1 012005 51 1 712005    < 0.017  0.025 +/- 0.002 100505 13      5/ I 712005 512-112005     < 0.017  0.024 +/- 0.002 20650523       5/23/2005   513 I 12005    < 0.016  0.018 +/- 0.002 20050560       513 1 /20os  6/7/2005      < 0.018  0.013 +/- 0.002 2005 05 85      6/7/2005   61I412005      < 0.015  0.012 +/- 0.002 200506 2 x     h/ 1312005  hi2 112005     < 0.015  0.022 +/- 0.002 20050663       612 I12005  612812005      < 0.021  0.035 +I-0.002 20050692       6/28/2005    7/5/2005      < 0.015  0.020 +I- 0.002 200507 16       7/5/2005   711 2/2005     < 0.016  0.016 +/- 0.002 20050716       7/ 12/2005  711 912005     < 0.019  0.01 1 +/- 0.002 20050772       71I W O O 5 7/26/2005      < 0.017  0.0 17 +I- 0.002 20050x05       7/26/2005    8/3/2005      < 0.014  0.02 1 +/- 0.002 20050826        8/2/7005    XI'~l2005     < 0.0 14 0.027 +/- 0.002 20050859        XI9I2005   8/ I612005     < 0.01s  0.024 +/- 0.002 200508X 1      8/ 1612005  812312005      < 0.013  0.017 +I- 0.002 20050937       8/23/2005   8/30/2005      < 0.064  0.041 +I- 0.005 2005092 3      X/30/2005    9/6/2005      < 0.023  0.042 +/- 0.004 20050958        9/6/2005   9/ I 312005    < 0.020  0.039 +/- 0 003
?_0050981      91 I312005  9/20/2005      < 0.020  0.023 +I- 0.002 2
49

0.07       0.01 START DATE END DATE     1-13]   GROSS BETA
                       < 0.014  0.030 +/- 0.003
                       < 0.015  0.025 +/- 0.002
                       < 0.015  0.016 +/- 0.002
                       < 0.019  0.048 +/- 0.003
                       < 0.01 7 0.035 +/- 0.003
                       < 0.016  0.924 +/- 0.002
                       < 0.018  0.026 +/- 0.002
                       < 0.013  0.024 +/- 0.002
                       < 0.029  0.070 +/- 0.002
                       < 0.016  0.032 +/- 0.003
                       < 0.020  0.033 +/-0.003
                       < 0.018  0.04s +/- 0.003
                       < 0.027  0.03 1 +/- 0.003
                       < 0.013  0.037 +/-0.003 0.024 0.048 0.01 1 50

Table 1.2 Saniple Type: Wl'articulate Filter Anal yxi s: Gamma Isotopic Ilnit\: pCi/m' PARTICULATE FILTER QUARTERLY COMPOSITES (GAMMA) - GGNS E1.D (pCilm"3)                                 0.05            0.06 LAB ID         LOICATION           DATE       (3-134          CS-137 20050344       AS-l PG                       < 0.005          < 0.004 20050315        AS  3 61VA                   < 0.004          < 0.002 2005014(3      4s-7 UH                       < 0.004          < 0.003 2005Oh94        AS 1 PG                      < 0.003          < 0.002 20050695       AS 3 6IVA                     < 0.004          < 0.004 10050696        AS 7 UH                      < 0.004          < 0.003 2005 1 13 1     AS 1 PG                      < 0.005          < 0.004
'005 1 112      ,4s 3 6 l V A                < 0.004          < 0.00s 2005 1 133      AS 7 UH                      < 0.004          < 0.00s 2005 I434       AS- 1 PG                     < 0.004          < 0.004 2005 1435       AS-3 6 I VA                  < 0.004          < 0.004 2005 1430       AS-7 UH                      < 0.004          < 0.003 51

Table 2.1 Sample Tq pe: Thermoluminescent Dosimeters i-\nalqsis: Gamma Dose Units : mrendQtr Inner Ring - Within General Area of Site Boundary (QPDChS Specifications)
Station      1st Qtr    2nd Qtr      3rd Qtr     4th Qtr    Annual Mean M-16         8.9        9.7          1 I .9      10.3       10.2 M- 1 7       8.6        9.0          10.0        10.3        9.5 M-19         7.3        9.1           9.5         9.5        8.9 M-21
* 13.2        15.3         12.2        14.2       13.7 Riz-22       6.2        8.3           9.0         8.6        8.0 M-23         5.9        6.4           8.3         8.7        7.3 M-25         5.9        6.2           7.9         8.5        7.1 M-28         8.2        8.9          10.5        11.7        9.8 M-94         7.8        7.5           8.0         9.8        8.3 Outer Wing - Approximately Three (3) to Five (5) Miles from the Site (ODChI Specifications)
Station     1st Qtr     2nd Qtr      3rd Qtr     4th Qtr    Annual
                                                                %lean
 ~
M-36         6.5         7.3           8.2         8.6        7.7 M-40         5.9         5.7           7.4         7.2        6.6 M-48         7.9         7.9           9.4         9.7        a.7 M-49         9.4         9.0          10.9        11.0       10.1 M-50         8.2         7.4           9.7         9.0        8.6 M-55         9.8         9.1          10.8        10.4       10.0 M-57"         9.7         9.2          11.4        10.4       10.2
* Location with highest annual mean.
52

Table 2.2 Sample Type: Thermoluminescent Dosimeters Analysis: Gamma Dose Units: mrem/Qtr Special Interest Areas - Population Centers & Schools (ODCM Specifications)
Station     1st Qtr     2nd Qtr        3rd Qtr   4th Qtr    Annual Mean NI-Ol*        9.7          11.5          9.9       11.2      10.6 M-07         8.6          10.1          7.8       11.3       9.4 M-09         7.9           9.1          7.9       9.4        8.6 M-10         7.4           8.6          6.3       7.8        7.5 M-33         8.0           6.3          7.7       7.8        7.5 M-38         6.5           7.1          9.6       9.0        8.1 M-39         8.1 7.1
_ _ ~ ~
8.8       8.6        8.1
* Location with highest annual mean.

Table 2.3 Sample Type: ThermoluminescentDosimeters Analysis: Gamma Dose Units: mrem/Qtr Special Interest Areas - Control (ODCM Specifications)
Station     1st Qtr      2nd Qtr     3rd Qtr    4th Qtr     Annual Mean M-14         8.8          9.6          7.9       10.8        9.3 54

Table 3. i S ii i i i p 1e Type : Surface Water An a1y si 5 : Gamma Isotopic Units: pCi/l SURFACE WATER SAMPLES (GAMMA) - GGNS 15       30         30       15        30     15        15      18       60      15 m-58    FE-3      ZN-65      NB-95   ZR-95    1-131  CS-134  CS-137   BA-140   LA- 140
                                                             < 898   < 13.34  < 19.52   < 11.4.3 < 17.45  < 12.06 < 9.79  < 11.69  < 28.12  < 11.35
                                                             < 1360  < 17.90  < 26 6 2  < 11.51  < 19.71  < 9.85  < 13.04 < 1.3.81 < 42.11  < 14.71
                                                             < 8 0s  < 23.30  < 7.3.10  < 11.35  < li).08 < 12.81 < 11.52 < 11.13  < 34.2s  < 3.65 1/11/2005     < 12.56   < 1244  < 22.09  < 2877    < 12.78  < 15.63  < 12.44 < 12.53 < 12.82  < 46.85  < 12.87 l/512005      < 9.50    < 1061  < 1.3.84 < 1952    < 8.56   < 12.44  < 9.69  c: 8.85 < 9.07   < 28.94  < 10.38 4/5/2005      < 9.95    < 5 10  < 12.79  < 21.88   < 11.43  < 14.36  < 8.78  < 8.90   < 8.46  < 28.98  < 10.82 7/12/2005     c 7.32    < 10 70 < 14.26  < 20.13   < 9.03   < 13.93  < 7.36  < 9.82   < 7.82  < 26.60  < 10.1.3 711717005     < 1 I .66 < 907   < 19.92  < 17.20   < 11.11  < 15.95  < 10.82 < 10.35  < 15.31 < 22.85  < 12.9.5 101I 1120IJ5   < 1 1 .02 < I380  < 19.4l  < 27 57   < 14.30  < 17.04  < 12.71 < 6.39   < 9.51  < 37..52 < 7.53 1 0 i 1 li2005 < s 57    < 1040  < 20 46  < 1935    < 8.73   < 15.15  < 13.29 < 11.15  < 9.49  < 34.29  < 6.81 10/19/2005     < 6.82    < h 12  < 11.2s  < 16.09   < 4.84   < 14.90  < 12.64 < 8.57   < 9.07  < 36.60  < 14.78
                                                             < 772   < 20.5') < 1043    < 5.80   < 15.12  < 9.86  < 8.39   < 5.50  < 34.20  < 12.96
,:' A i i i i u a l Sample collectcii during liquid discharge "GG"          -   inclicntes duplicate smiplc.
55

Table 3.2 Sample Type: Surface Water Analysis: Tritium Units: pCi/l SURFACE WATER SAMPLES (TRITIUM) - GGNS LLD (pCi/l)                                                  3000 LAB ID                LOCATION                 DATE         TRITIUM 20050024            MR DOWN                 1 I1 I 12005     < 573 20050026            MRUP                    1I1 1 I2005      < 572 2005033 1           MR DOWN                 41513-005        < 563 20050333            MRUP                    41512005         < 573 200507 I9           MR DOWN                711 212005        < 583 2005072 1           MRUP                  711 213,005        < 578 2005 I I23          MR DOWN               I 0/ 1 I 12005     < 573 2005 1 I 25         MRUP                  1 01 1 1 12005     < 575 2005 1 167 '        MR DOWN               1011 912005        < 587 200s I I69 :'       MR DOWN GG            1 01 1 912005      < 588
'k Annual Sarnplc collccted during liquid discharge "GG"   -  indicates duplicate samplc.
56

Table 3 . I S a1npI e Type : Groundwater h a 1 si s : Gamma Is0t opi c tinits: pCiA
~          ~ WATER  ~ SA%iPEES
                             ~ (GAMMA) ~      - GGNS J        N        ~
20051 183 PCMtLLGG       lOl2-ii7005 i  11.21   rc 10.36 < 35.77 < 7.95 c: 15.07 c: 10.66 < 15.82 < 13.48 < 11.02 < 40.X9 < 14.77 "GG"    --indicates duplicate saniplt..

Table 4.2 Sample Type: Groundwater Analysis: Tritium Units: pCi/l GROUND WATER SAMPLES ( TRITIUM) - GGNS LLD (pCi/l)                              2000 LAB ID      LOCATION       DATE         TRITIUM 20051 178   PGWELL       10/24/2005    < 588.47 2005 1 I8 1 CONSTWELL    10/24/2005    < 590.39 2005 1 I84  PGWELL       10/24/2005    < 580.33 2005 1 I85  CONSTWELL GG I0/24/2005    < 604.33 58

Table 4.3 Sample Type: Groundwater Analysis: Iodine Units: pCi/l GROUND WATER SAMPLES (Iodine-131) - GGNS LLD(pCi/l)                                  1 .o LAB ID         LOCATION       DATE         1-131 2005 1 177         PGWELL  I0/24/2005     < 0.88 2005 1 I80       CONSTWELL I 0/24/2005    < 0.85 59

Table 5.1 Sample Type: Sediment Analysis: Gamma Isotopic Units: pCi/kg SEDIMENT SAMPLES (GAMMA) - GGNS LLD (pCi/kg)                                         150      180 LAB ID             L0CATI 0N        DATE           CS-134  CS-137 2005 I 170         SEDHAM          1011912005     < 29.64 < 28.12 20051 I71          SEDCONT         101I 91200s    < 26.42 < 26.00 2005 I 172         SEDCONT GG      I 01I9/2005    < 22.44 < 22.53 2005 1 173         SEDHAM GG       1011912005     < 29.37 < 29.00 "GG" - indicates duplicate sample.
60

HI3 SAMPLES (GAMMA) - GGNS ELD ipCi/kg)                                      130    130        260    130     260      130    150 LAB        LOCATION                DATE      NIN-54   c0-58      FE-59   CO-60   ZN-65  CS-134  CS-131 7005075     FISHUP                 7/15/3005 < 12.87  < 18.12    < 53.35 < 22.XI < 52.61 < 19.55 < 22.13 2005075     FISHUP GG              7/15/2005 < 15.77  < 18.19    < 31.42 < 19.73 < 37.14 < 16.50 < 19.13 2005075     FISHDOWN               7/15/2005 < 13.18  < 20.32    < 51.36 < 26.76 < 40.43 < 24.28 < 19.39 1005075     FISHDOWN GG            7/15/2005 < I 1.14 < 17.98    < 11.32 < 14.90 < 47.63 < 13.81 < 13.14 GG - Indicate4 duplicate sample.
61

Table 7.1 Sai-ripleType: Food Products A n a l y i 4 : Iodine- 1.3 1 and Gannia Isotopic Units: pCi/hz EGETATION SAMPLES (GAMMA) - GGNS 60         60      80 LAB ID                 L,OCATION                      DATE    1-131      CS-134  CS-137 20050037          VEG-CON      r                1 / 121300-5 < 13.75    < 51.28 < 52.48 2005Of13X         VEG-J                         1 / 1 212005 < 48.07    < 50.91 < 62.99 20050019          vmcoNr C;G                    1 J 1212005  < 34.90    < 48.12 < 40.75 7 005 O( )40      V k G J GG                    1/ 1 2/2005  < 49.21    < 56.64 < 34.19 1005035X          VEG-C'ONT                       4/5/2005   < 5967     < 57.01 < 31.81 20050.350         VEG-J                           4/5/2005   < 58.89    < 47.80 < 43.23 20050748          VEG-CONT                      711 9/2005   < 55.06    < 22.95 < 48.18 20050719          VEG-J                         71 I9/2005   < 40.98    < 49.94 < 61.63 86     VEG-CONT                     10/21/2005    < 57.97    < 53.72 < 36.30 s7     VEG-J                        1012 1/2005   < 59.09    < 34.71 < 31.11
           - indicate5 duplicate sample.
62

Table 8.1 Sample Type: Special Samples 24nalysls: Gamma Icotopic Un1t4: pcl/lig ECIAL VENISON SAMPLES (GAMMA) - GGNS LLD (pCi/kg)                                                 130         130        260     130     260     130       150 EBB             SAMPLE ID                DATE             MN-51         c0-58     FE-59    CO-60   ZN-65  CS-134     CS-137 2Ci05I248       VENISON                 I1/7/200S        < 17.67      < 14.32    < 33.43  < 18.27 < 45.80 < 17.10    < 16.52 SPECIAL VEGETATION SAMPLES (GAMMA) - GGNS LLD (pCi/kg)                                                       60                      60                  88)
LAB ID                I ,OC'ATION                 DATE            1-131                   CS-134             CS-137
?005004 I       VEC-SPECIAL,                1 / 1 212005         < 33.h1                 < 41.56            < 40.82.
20050032        VEG-SPECIAL GG              1/ 12/200.5          < 33.h5                 < 26.25            < 38.36 200503hO        VEG-SPECIAL                   4/5/2005           < 48.87                 < 42.20            < 47.98 200.50750        VEG-SPECIAL                7 / 19/2005          < 24 1s                 < 20.25            < 29.78 310.5 1 1 X8     VEG-!ZPECIAL             1 0/2 1PO05            < 56.98                 < 30.13            < 40.99 "GG"     - inclicate4 duplicate sample.
63

Table 9.1 Sample Type: Interlaboratory Comparison Analysis: Gross Beta, Tritium, Iodine-13 1 and Gamma Isotopic Sample Type     Sample       Date      Analysis  Known     Measured   N-       N-(units)     Number                          val ue(a)   Value   DEV(b) RANGE(c)
Charcoal     E4570-125   6/9/2005      1-131    91.7       96.3    0.88    0.386 Cartridge (pCi/filter)
Water                                BETA      214       232     1.48   0.055 E4569-125   61912005 (pCi/l iter) E4568-125   6/9/2005     CR-51      330       347     0.89   0.251 H-3     41 90     4337     0.61   0.152 E4719-125  9/15/2005 Air Filter                            BETA      95.8       94.2   -0.29   0.253 E4717-125  911512005 (pCi/filter)                           CR-51     237        209    -2.05   0.548 4720-125  911512005 MN-54     64.5       65.3    0.21   0.449 Sediment      E4718-125 (pCi/gram)

Analytks #
E4571-125 (pcilliter)
NOTES:
(a) The known value.
(b) The normalized deviation from the "known" value is computed from the deviation and the standard error of the mean; t2.00 is warning limit and k3.00 is the control limit. This is a measure of accuracy of the analytical methods.
(c) The normalized range is computed from the mean range, the control limit, and the standard error of the range; +2.000 is the warning limit and +3.000 is the control limit. This is a measure of precision of the analytical methods.
(d) The results reported were out of the control limits.
Exceptions:
One result was outside the control limits for accuracy in the 2005 lnterlaboratory Comparison program participation studies. The result was in the analysis of the nuclide Mn-54 in sedimentkoil sample number E4718-125. The normalized-deviation for the analysis was
+4.28 with control limits of k3.00. Re-analysis of the 2005 soil sample produced results very similar to the original averaged result. This high bias result is considered conservative and is considered as having no impact on past results of the program. Mn-54 results were within control limits in other program samples for the year 2005. Coincidence summation in the efficiency curve near 834 keV can result in a lower efficiency and higher calculated activity in that region.
65}}