ML20247A222
| ML20247A222 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 12/31/1997 |
| From: | ENTERGY OPERATIONS, INC. |
| To: | |
| Shared Package | |
| ML20247A215 | List: |
| References | |
| NUDOCS 9805050439 | |
| Download: ML20247A222 (104) | |
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Attachment to OCAN049804 j Page1of104 l l
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l ARKANSAS NUCLEAR ONE - UNITS 1 AND 2 1
ANNUAL RADIOLOGICAL ENVIRONMENTAL l OPERATING REPORT FOR 1997 !
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9805050439 980430 PDR ADOCK 05000313 R PM
Attochment to OCAN049804 l' Page 2 of104 l TABLE OF CONTEN TS
SUMMARY
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1.0 INTRODUCTION
12 l I 1.1 Radiological Environmental Monitoring Program Purpose 12 l 1.2 Pathways Monitored 12 l
.' 3 Program Description 12 1.3.1 Air Particulate and Radioiodine 12 l 1.3.2 Thermoluminescent Dosimetry 13 l
1.3.3 Drinking Water, Surface Water and Groundwater 13 l
l 1.3.4 Sediment 14 1.3.5 Milk 14 1.3.6 Vegetation an6 Food Products 15 l
1.3.7 Fish 16 t
1.3.8 Land Use Census 16 1.4 AnalyticalMethods 17 l 1.4.1 Sample Preparation 17 r
! 1.4.2 Gross' Beta Analysis of Air Samples 17
! 1.4.3 Gross Beta Analysis of Water Samples 17 1.4.4 Tritium Analysis of Water Samples 18 1.4.5 Iodine-131 Analysis 18 1.4.6 Gamma Aralysis of Milk and Water Samples 18 l 1.4.7 Gamma Analysis of Vegetation, Food Products and Fish Samples 18 1.4.8 Gamma Analysis of Soils and Sediments 19 1.4.9 Gamma Analysis of Charcoal Cartridges 19 1.4.10 Gamma Analysis of Air Particulate Filters 19 l 1.4.11 Thermoluminescent Dosimetry Readings 19
! 2.0 INTERPRETATION AND TRENDS OF RESULTS 42 2.1 Air Particulate and Radiciodine Sample Results 42 2.2 Thermoluminescent Dosimetry Sample Results 42 s
Attachment to OCAN049804 Page 3 of104 l 2.3 Milk Sample Results 43 l
2.4 Water Sample Results 43 l
2.5 Vegetation and Food Product Sampic Results 45 2.6 fediment Sample Results 45 2.7 }iA Sample Results 45
! 2.8 Land Use Census Results 45 2.9 Interlaboratory Comparison Results 46 i
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[ 3.0 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
48 l 3.11997 Program Results Summary 46 I
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- Attachment to l OCAN049804 l Page 4 of104 LIST OF ATTACHMENTS ATTACHMENT 1
SUMMARY
OF MONITORING RESULTS 58 i l ATTACHMENT 2 STATISTICAL ANALYSES 99 l ATTACHMENT 3 SEDIMENT DOSE CALCULATIONS 103 l l
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Attachment to OCAN049804 Page 5 of104 LIST OF FIGURES FIGURE 1-1 EXPOSURE PATHWAYS 41 FIGURE 1-2 SAMPLE COLLECTION SITES 41 FIGURE 2-1 TLD RADIATION DOSE 47 FIGURE 2-2 DISCHARGE TRITIUM CONCENTRATIONS 48 FIGURE 2-3 i DISCHARGE SEDIMENT 49 j 4
FIGURE 2-4 DISCHARGE FISH 50 l 1
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! OCAN049804 Page 6 of104 LIST OF TABLES TABLE 1.1 SAMPLING STATIONS 20 TABLE 2.1 1997 LAND USE CENSUS 51
- TABLE 3.1 MONITORING PROGRAM
SUMMARY
53 ATTACHMENT 1
SUMMARY
OF MONITORING RESULTS TABLE 1.1 AIR PARTICULATE & RADIOIODINE 61 TABLE 1.2 AIR PARTICULATE & RADIOlODINE 83 TABLE 1.3 AIR PARTICULATE & RADIOlODINE 85 TABLE 1.4 AIR PARTICULATE & RADIOlODINE 67 TABLE 1.6 AIR PARTICULATE & RADIOIODINE 69 l
[ TABLE 1.6 AIR PARTICULATE & RADIOlODINE 71 TABLE 1.7 AIR PARTICULATE 73 TABLE 2.1 MILK (ADH SPLIT) 74 TABLE 2.2 MILK 75 TABLE 2.3 MILK 76 TABLE 2.4 MILK (ADH SPLIT) 77 TABLE 2.5 MILK 78 TABLE 3.1 DRINKING WATER 79 TABLE 3.2 DRINKING WATER 80 TABLE 4.1 SURFACE WATER 81 TABLE 4.2 SURFACE WATER 82 TABLE 4.3 SURFACE WATER 83 TABLE 5.1 GROUNDWATER 84
Attachment to OCAN049804 Pege 7 of104; TABLE 5.2 GROUNDWATER 85 TABLE 6.1 FISH 86 TABLE 7.1 SEDIMENT 87
! TABLE 8.1 VEGETATION 88 TABLE 9.1 FOOD PRODUCTS 89 l
6 TABLE 10.1 THERMOLUMINE iCENT DOSIMETERS 90 )
l- TABLE 10.2 THERMOLUMINESCENT DOSIMETERS 91 TABLE 10.3 THERMOLUMINESCENT DOSIMETERS 92 TABLE 11.0 INTERLABORATORY COMPARISON 93 i
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OCAN049804 Page 8 of104 Summary The Annual Radiological Environmental Operating Report presents data obtained through .
analyses of, environmental samples collected for Arkansas _ Nuclear One's (ANO's)
Radiological Environmental Monitoring Program (REMP) for the period January 1,1997 through December 31,1997. This report fulfills the requirements of ANO Unit 1 Technical Specification 6.12.2.5 and Unit 2 Technical Specification 6.9.4. During 1997. as in previous
. years, ANO detected radionuclides attributable to plant operations at the discharge location (Station 8). ANO personnel routinely monitor results from this area in order to note any trends. Their review of results from this area indicates the following l
. Tritium levels in the surface water media continue to be similar to the historic j l average and well below regulatory limits.
. Cobalt-60, Cesium-134 and Cesium-137 levels in the sediment media are not demonstrating any increase in comparison to previous years. Review indicates that i
1997 levels are less than those of previous years and also well below regulatory limits.
Tritium, attributable to plant operations, was also detected at the intake surface water control location (Station 10). In 1996, the initial sample collection point was relocated to a different area in the service water bay for protection during wintry conditions. Prior to relocation, the ,
sampler collected water unaffected by plant operations. However, after relocation, the l sampler collected water affected by the plant's oily water separator discharge, thereby j resulting in the collection of tritium contaminated water. After evaluating suitable alternative -
locations, ANO personnel moved the sampler to an area unaffected by plant operations during !
the fourth quarter of 1997.
Tritium at background levels was detected in the City of Russellville indicator drinking water location (Station 14) and, the Ouita control (Station 33) and Stewart indicator (Station 33) ,
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- . groundwater locations. Levels detected were below previous background measurements.
Cesium-137, attributable to fallout from previous atmospheric weapons testing, was detected at the intake indicator (Station.10) and Piney Creek control (Station 16) sediment sample locations. However, the levels detected were well below the historic average. Section 2.0 of this report discusses these results in more detail.
. Radiological Environmental Monitorine Fronram l Radiation and radioactivity are monitored around ANO within a 22-mile radius. The REMP H was established about two' years before the station became operational (1974). This program provides data on background radiation and radioactivity which is normally present in the area.
ANO has continued to monitor the environment by sampling air, milk, water, food products, vegetation, sediment and fish, as well as measuring radiation directly. Samples are collected from both indicator and control locations. Indicator locations are within approximately five miles of the site, and are expected to show any increases or buildup of radioactivity that might
Attachment to OCAN049804 Pag 9 9 of104 occur due to station operation. Control locations are further from the station and are expected to indicate the presence of only naturally occurring radioactivity.
The results obtained from indicator locations are compared with control locations and with concentrations present in the environment before the station became operational. This allows for assessment of any impact the operation of ANO might have had on the surrounding environment.
l In 1997, radiological environmental samples were collected and analyzed for radioactivity.
Radionuclides concentrations measured at indicator locations were compared to control locations, as well as to concentrations in previous years. ANO personnel assessed this data and concluded that no significant impact occurred on the environs surrounding the plant.
Radiation levels in the environment were undetectable in many cases and at or near previous
- levels in significant pathways associated with ANO.
l Harmful Effects or Irreversible Damane No harmful effects or evidence ofirreversible damage were detected by ANO monitoring.
Therefore, no analysis or plansi course of action to alleviate problems was necessary.
Reportina Levels l-
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No reporting levels for radioactivity concentration in environmental samples, as outlined in ANO Unit I and Unit 2 Technical Specification Tables 4.30-3 and 3.12-3, respectively, when averaged over any calendar quarter, were equaled or exceeded due to ANO effluents during i 1997. Therefore, no Radiological Monitoring Special Reports were required.
l l Radioactivity Not Attributable to ANO Radioactivity attributable to other sources was detected by the ANO REMP in 1977,1978 and 1981 following nuclear weapons testing. The most recent incident occurred in May 1986 when the radioactive release due to reactor core degradation at the Chernobyl Nuclear Power Plant was detected.
Comnarison to Federal and State Fronrams Data from the ANO REMP was compared to federal and state monitoring programs as results became available. The federal monitoring program used for comparison was the U.S. Nuclear Regulatory Commission (NRC) Thermoluminescent Dosimetry (TLD)' Direct Radiation Monitoring Network. The state program is conducted by the Arkansas Department of Health (ADH).
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Attachment to 0CAN049804 Page 10 of104 1
! - The latest available quarterly results from the NRC TLD Network have been compared to those from ANO's program. This comparison consisted of the following:
. NRC and ANO results for 0 - 2 mile range TLDs.
. ' NRC and ANO results for 2 - 5 mile range TLDs.
! . NRC and ANO results for >5 mile range TLDs.
. NRC and ANO results for collocated TLDs.
I The results of this comparison indicate that quarterly doses recorded by both programs are in l
agreement with each other. In addition, both programs have shown no change in TLD results j' which could be attributed to ANO operation.
Radiological monitoring by the ADH entails similar sampling requirements to the ANO j REMP. In many cases air samples.and TLDs are collocated, while sample media such as 1 l water, milk, fish and sediment are shared or split. When comparing 1997 results from ADH )
and ANO collocated air sample and TLD locations, both programs ~are in agreement with each j
other and have produced results that are within similar ranges. The only common location where radioactivity attributable to ANO has been detected by both programs is the ANO discharge. Discharge water and sediment results were above background levels'due to ANO I effluents.
Samolism Deviations During 1997, ANO persons acted three air sampling deviations:
l l 1) One air particulate and radioiodine sample was missed at air sampling Station 2 due to l mechanical failure during the sampling period of December 31,1996 - January 7,1997.
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j 2) Air sampling Station 2 had a low sample volume during the sampling period of February I
! 11 - 18,1997 due to mechanical failure, i l 3) Air sample Station 4 had a short run time during the sampling period of July 8 - 15,1997. I due to mechanical failure.
These deviations were isolated instances which did not recur during the year and were corrected by ANO personnel once discovered.
. One first quarter TLD (Station 113) and one second quarter TLD (Station 136) were missing in the field due to vandalism. These losses were isolated instances which did not recur during the year and were replaced with new TLDs by ANO personnel once discovered. The 1997 TLD recovery rate was 99% (174 of 176).
. The milk samples dollected from Stations 37 (Steuber) and 52 (Ragsdale) on October 10, 1997 were not analyzed due to the samples not being shipped to the analytical laboratory.
Condition Report C-97 0373 was written to document this deficiency. Corrective actions h- ,
- Attachment to I OCAN049804 Page 11 of104 to prevent a recurrence included taking samples to the warehouse for shipment on the day of collection and holding job orders open until sample receipt is received from the analytical laboratory. In addition, long term plans are to revise the sampling procedure to address job orders, sample tracking and sample storage time. No other deviations of this nature occurred during the year. All other samples were within program parameters. l
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Samnlina Relocation The Rylee Dairy (Station 49) discontinued milking operations and was replaced by the Collins ,
Dairy (Station 52) during April 1997. This change was reflected in the Offsite Dose i Calculation Manual.
Unavailable Results )
Analytical contractor results were received in adequate time for inclusion in this report. No missing results were identified during ANO personnel's review.
Attachments Attachment I contains results of air, milk, water, fish, sediment, vegetation, food products, '
and thermoluminescent dosimeter (TLDs) samples collected in 1997. TLDs were analyzed by Waterford-3 Dosimetry while the remaining samples were analyzed by River Bend Station's (RBS) environmental laboratory. Attachment I also contains RBS' participation in the interlaboratory comparison program during 1997. Attachment 2 contains statistical analyses 4 performed on air and TLD results and the equations that were utilized. Attachment 3 contains dose calculations performed for sediment using a generalized equation from Regulatory Guide 1.109, " Calculation of Annual Doses to Man from Routine Releases of Reactor Effluents for the Purpose of Evaluating Compliance with 10 CFR Part 50, Appendix I."
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- j. OCAN049804 Page 12 of104 1.0 - Introduction 1.1 - Radiological Environmental Monitoring Program Purpose The radiological envirom nental monitoring program (REMP) was established to
- ensure that plant operating controls properly function to minimize any associated L radiation endangerment to human health or the environment. The purpose of the REMPis
- to measure radiation levels and their variations in environmental media in the area surrounding the plant,
- to determine average levels of radiation and radioactive material in various environmental media, l e to detect effects, if any, of ANO operation on the environmental radiation levels and concentrations.
1.2 Pathways Monitored The airborne, waterborne, ingestion and direct radiation pathways, as seen in Figure 1, are monitored as required by ANO Technical Specifications. The REMP includes the L sampling program required to meet the above intent. Sample locations used to
! monitor exposure pathways are described in Table 1.1 and shown in Figure 1-2.
, Figure 1-2 shows only those sampli.7g locations which were active at the end of 1997.
l Section 2.0 of this report provides a discussion of 1997 sampling results with Section 3.0 providing a summary of results for the monitored exposure pathways.
1.3 Program Description 1.3.1 Air Particulate and Radiolodine i ANO Unit I and Unit 2 Technical Specification Table. 4.30-1 and 3.12-1,
, respectively, require five air sampler locations for measurement of radioactivity l in the airborne exposure pathway. ANO used six continuous air samplers to provide gross beta, gamma and radioiodine activity measurements. Four of the air samplers were used as indicators (Stations 1, 2, 3 and 4) with the remaining two utilized as controls (Stations 6 and 7). These air samplers were placed at distances from 0.4 to 19.3 miles (Table 1.1 and Figure 1-2). The air samplers were placed approximately one meter above the ground in weatherproof houses. A 47-millimeter glass fiber filter was installed in the intake line by the vacuum pump with a charcoal cartridge loct'.J directly downstream. Flows were adjusted to 30 i 3 liters per minute. Filters and cartridges were changed j
Attachment to 0CAN049804 Page 13 of104 weekly and analyzed for gross beta radionuclides and radioiodine activity, respectively. In addition, the filters were composited quarterly and analyzed for gamma radionuclides.
i 1.3.2 Thermoluminescent Dosimetry i I
ANO Unit I and Urdt 2 Technical Specification Ttbles 4.30-1 and 3.12-1, respectively, require forty TLD locations for measurement of direct radiation
- doses. ANO measured ambient radiation in the environment surrounding the l plant with 44 TLDs (two lithium borate and calcium sulfate elements) to l provide a quantitative measurement of the area radiation levels. WO l personnel placed these environmental TLDs at distances from 0.4 to 21.8 miles (Table 1.1 and Figure 1-2). Each dosimeter was scaled in a plastic protective holder and suspended above the ground. The dosimeters were collected and analyzed quarterly. The Figure 1-2 TLD locations may be summarized as ;
follows: l l
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! e 1I stations in the 0 - 2 mile range, i e 15 stations in the 2 - 5 mile range, and i e 18 stations in the >$ mile range. l 1.3.3 Drinking Water, Sudace Water and Groundwater l ANO Unit I and Unit 2 Technical Specification Tables 4.30-1 and 3.12-1, respectively, require one drinking wster, two surface water and two
, groundwater locations for the measurement of radioactivity by the waterborne
- exposure pathway.
Drinkins water was sampled monthly from an indicator location (intake to Russellville City Water System firom Illinois Bayou) at a distance of 5.3 miles (Table 1.1 and Figure 1-2). Water was collected in two one-gallon labeled containers and one 250-milli! iter (ml) labeled glass container. Upon return from the field, the one-gallon samples were acidified with hydrochloric acid and analyzed for gross beta radionuclides, Iodine-131 and gamma radionuclides. Tie 250-ml glass container was composited quarterly and
! analyzed for tritium. ANO personnel also collected backup samples (two one-gallon containers and one 250-ml glass container), which remained on-site as a precautionary measure to replace samples lost during shipment or to verify analytical resuits.
Surface water was sampled monthly from two locations, an indicator location (discharge) and a control location (intake) at dis:ances from 0.1 to 0.9 miles (Table 1.1 and Figure 1-2). Samples collected for gamma radionuclides analysis were composited with an automatic sampler that collected a preset volume at set intervals (~ 2 gallons per week). Weekly, a one gallon sample from each location was acidified with hydrochloric acid and placed in an appropriately
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OCAN049804 4 Page 14 of104 l labeled composite carboy. At the end of the month, a one-gallon sample from l each composite carboy was placed in a labeled container and then analyzed for gamma radionuclides. Samples collected for tritium analysis were composited with an automatic sampler that collected a preset volume at set intervals (~ 100 ml per week) into a glass collection device. At the end of the quarter, 250-ml of sample from each location was placed in a labeled glass container and then analyzed for tritium. ANO personnel also collected backup samples at each location (one-gallon container and one 250-ml glass container), which remained on-site as a precautionary measure to replace samples lost during L
shipment or to verify analytical results. All surface water samples were split with the ADH.
Groundwater was sampled quarterly from two locations, the C. Stewart
! Residence (indicator) and Ouita Lake Recreation Area (control), at distances from 0.9 to 3.8 miles (Table 1.1 and Figure 1-2). Water was collected from each location in two one-gallon labeled containers and one 250-ml labeled glass container. Upon return from the field, the one-gallon samples were acidi6ed with hydrochloric acid and analyzed for gamma radionuclides. The 250-ml sample was analyzed for tritium. ANO personnel also collected backup samples at each location (two one-gallon containers and one 250-ml glass container), which remained on-site as a precautionary measure to replace samples lost during shipment or to verify analytical results.
1.3.4 Sediment ANO Unit I and Unit 2 Specification Tables 4.30-1 and 3.12-1, respectively,
- require two sediment locations for measurement of radioactivity by the l waterborne exposure pathway. Contract personnel collected sediment semiannually from three locations, an indicator (discharge) and two control locations (intake and Piney Creek), at distances from 0.1 to 5.9 miles (Table 1.1 and Figure 1-2). A minimum of 1.5 liters of sample was collected with a dredge from the top layer of sediment at each location. After foreign objects were discarded, the samples were transferred to labeled containers and then analyzed for gamma radionuclides. All sediment samples were split with the ADH.
1.3.5 Milk l
ANO Unit I and Unit 2 Technical Specification Tables 4.30-1 and 3.12-1, respectively, require four milk locations for measurement of radioactivity by the ingestion exposure pathway. ANO and ADH personnel collected milk monthly from four locations at distances from 5.1 to 12.6 miles (Table 1.1 and Figure 1-2). Since no indicator locations exist within five miles of ANO, four locations were utilized as controls (Arkansas Tech, Steuber, Rylee, and Ragsdale). In April 1997, the Rylee Dairy discontinued milking operations and was replaced by the Collins Dairy.
- Attachment to l 0CAN049804 Page 15 of104 Milk was collected from each location in two one-gallon labeled containers.
Samples were preserved with formaldehyde and then analyzed for Iodine-131 and gamma radionuclides. When available, ANO personnel also collected backup samples at each location (two one-gallon containers), which remained on-site as a precautionary measure to replace samples lost during shipment or to verify analytical results.
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l 1.3.6 Vegetation and Food Products ANO Unit I and Unit 2 Technical Specification Tables 4.30-1 and 3.12-1, !
respectively, require three food product locations and one vegetation location for measurement of radioactivity by the ingestion exposure pathway. ANO personnel collected, when available, from two vegetation indicator locations (Flatwood Road and Intake Canal) and three food product indicator locations i (Cochran, Rye and Shivers) at distances of 0.5 to 2.6 miles (Table 1.1 and Figure 1-2).
The preferred source of food products was fmits, flowering vegetables, and tubular vegetables. The preferred source of non-food products was any vegetation with relatively broad leaves on which airborne radioactive particulate material might be deposited. Normally, when available, a one-gallon food product and a two-gallon vegetation sample were collected.
The samples were then analyzed for gamma radionuclides and Iodine-131.
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!~ OCAN049804 PagD 16 of104 1 f
I 1.3.7 Fish ANO Unit I and Unit 2 Technical Specification Tables 4.30-1 and 3.12-1, l
[ respectively, require two fish locations for measurement of radioactivity by the
! ingestion exposure pathway. Fish were collected semiannually by a contractor
, from two locations, an indicator (discharge) and a control (intake), at distances from 0.1 to 0.9 miles (see Table 1.1 and Figure 1-2). All fish samples were
- split with the ADH.
L A sufficient amount was collected from each location to provide a minimum of l 1000 grams (wet weight) of eviscerated fish sample. The samples were then analyzed for gamma radionuclides.
l l 1.3.8 Land Use Census ANO personnel conducted an annual land use census, as required by ANO Unit )
1 and Unit 2 Technical Specifications 4.30.2 and 3/4.12.2, respectively. The purpose of the census was to identify changes in uses ofland within five miles of ANO which would require modifications to the REMP or Offsite Dose l
Calculation Manual (ODC.M). The most important criteria during the census l
, were to determine location in each sector of the nearest:
- 1) Residence
- - 2) Animal milked for human consumption
- 3) Garden of greater than 50 m2 (500 ft2) producing broadleafvegetation The method used by ANO personnel for conducting the land use census was as follows:
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. . ANO personnel conducted door-to-door field surveys in each j
meteorological sector out to five miles in order to locate the nearest resident, milk animal and garden.
l e Consultation with local agricultural authorities was used in instances when
. personal contact could not be made.
- As a result of these surveys, the following information was obtained in each meteorological sector:
- 1) Nearest permanent residence
- 2) Nearest garden and approximate size
- 3) Nearest milking animal r
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. Locations, if any, were identified which yielded a calculated dose or dose commitments greater than those currently calculated in the ODCM.
- ANO personnel compared results to previous census.
1.4 Analytical Methods 1.4.1 Sample Paparation Water samples were acidified by field personnel with hydrochloric acid when l collected. Tritium samples were not acidified and were stored in glass bottles -
l under refrigeration until the analysis could be completed. Air filters were l handled with care to avoid disturbing any deposition on the air particulate l filter. Air filters were normally received in plastic petri dish containers that l l aided in transporting heavy dust loaded filters. Milk samples were usually l refrigerated until analyzed. Milk samples analyzed for Iodine-131 had formaldehyde added to inhibit bacterial growth and retard spoilage. Soil and ,
sediment samples were dried, pulverized, and sieved before analysis. To j t ensure a homogeneous sample, thorough mixing was performed. Perishable i samples were preserved by refrigeration or freezing. Vegetation and other I
samples may require drying, pulverizing or ashing before or after analysis for long-term storage.
1.4.2 Gross Beta Analysis of Air Samples Air filters were counted, at least 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after collection to allow for the l decay of short-lived materials such as radon and thoron, in a low-background alpha-beta counter until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved.
1.4.3 Gross Beta Analysis of Water Samples This analysis measures overall beta radionuclides in water samples without identifying the specific radioisotopes present. An aliquot of sample, usually 100 ml, was evaporated in a beaker. The residue was then transferred and l- dried in a 47-millimeter stainless steel planchet. The planchets were counted in a low-background alpha-beta counting system until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved. Calculation of the activity includes a self-absorption correction factor for counter efficiency based on weight of residue on each planchet.
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- Attachment to l' OCAN049804 l' Page 18 of104 l-l l 1.4.4 Tritium Analysis of Water Samples Six mill'iliters (ml) of water were added to 12 ml ofliquid scintillation cocktail in a 20 mi vial. The sample was counted in a liquid scintillation spectrometer until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved.
1.4.5 Iodine 131 Analysis I
I Four liters or more of the sample were mixed with a stable iodine carrier solution, and then stirred together with an anion exchange resin to remove iodine from the sample. The resin is then transferred to a 250 ml l micro-marinelli beaker and counted in a shielded intrinsic Germanium detector )
coupled to a computer-based data acquisition system, which performs a pulse height analysis, until the required LLDs shown in ANO's Unit 1 Technical P Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 l were achieved.
l A computer software program defined peaks by certain changes in the slope of the spectmm. The program also compared the energy of each peak with a
! library of peaks for radionuclides identification and then performed a calculation using appropriate fractional gamma ray abundance, halflife, detector efficiency and net counts in the peak region to determine the radionuclides concentration.
1.4.6 Gamma Analysis of Milk and Water Samples L
A 3.7-liter marinelli beaker was filled with a representative aliquot of the sample. The' sample was then counted in a shielded intrinsic Germanium i detector as described in Section 1.4.5, until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2~ Technical Specification Table 3.12-2 were achieved.
1.4.7 Gamma Analysis of Vegetation, Food Products and Fish Samples A maximum quantity of undried vegetation or food product sample was placed into a tared 1-liter marinelli and weighed. The sample was then counted in a shielded intrinsic Germanium detector as described in Section 1.4.5, until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved. As much as _
possible (up to the total sample) of the edible portion of a fish sample was placed into'a tared 0.5-liter marinelli or a lab-tech petri dish, depending on fish quantity, and weighed. The sample was then counted in a shielded intrinsic Gennanium detector as described in Section 1.4.5, until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved.
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Attachment to OCAN049804 Page 19 of104 1.4.8 Gamma Analysis of Soils and Sediments Soils and sediments were dried at a low temperature, placed into a tared 1.0-liter marinelli beaker and weighed. The sample was then counted in a shielded intrinsic Germanium detector as described in Section 1.4.5, until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved.
1.4.9 Gamma Analysis of Charcoal Cartridges Charcoal cartridges were counted separately by positioning each cartridge on the face of the detector in a converted 0.5-liter marinelli used as a holder. The sample was then counted in a shielded intrinsic Germanium detector as described in Section 1.4.5, until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieted.'
1.4.10 Gamma Analysis of Air Particulate Filters The thirteen (13) air particulate filters, contained in a plastic petri dish, for a quarterly composite for each field station were stacked one on top of another.
The samples were then counted in a shielded intrinsic Germanium detector as described in Section 1.4.5, until the required LLDs shown in ANO's Unit 1 Technical Specification Table 4.30-2 and Unit 2 Technical Specification Table 3.12-2 were achieved.
1.4.11 Thermoluminescent Dosimetry Readings Environmental radiation doses were measured using TLDs that contained one lithium borate and three calcium sulfate elements. Approximately forty-eight hours prior to installation, the TLDs were annealed. After cooling, the TLDs were mounted in appropriate labeled blue clamshell type hangers and double-sealed in a whirl-pak, or similar protective covering. Upon return from the field, TLDs were read in a Panasonic UD-710A TLD Reader.
- Attachment to l OCAN049804 Page 20 Cf104-Table 1.1 Sampling Stations Sample Station 1 Number:
4 Approximate Direction & 88 - 0.6 miles Distance from Plant::
Sample Types: 1) Airborne radioiodines
- 2) Airborne particulate
- 3) Direct radiation l I
Samole Station Location: The sample station is near the meteorology tower approximately 0.6 miles east of ANO.
Sample Station 2 Number:
Approximate Direction & 235* - 0.4 miles Distance from Plant::
Sample Types: 1) Airborne radioiodines l
- 2) Airborne particulate
- 3) Direct radiation i Samole Station Location: If traveling from ANO, go approximately 0.2 miles west toward Gate 4. Turn leR and go approximately 0.2 miles. Turn right and go approximately 0.1 miles. The sample station is on the right at the former AP&L lodge location. If traveling south on Flatwood Road, then go approximately 0.25 miles from sample station 109. Veer lea at fork in road and go approximately 0.2 miles. Turn right and go approximately 0.1 miles. Turn right and go approximately 0.1 miles. The sample station is on the right at the
- former AP&L lodge location.
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Attechment to OCAN049804 Page 21 of104 Sample Station 3 Number:
Approximate Direction & 0 - 0.6 miles Distance from Plant:
Sample Types: 1) Airborne radiciodines
- 2) Airborne particulate
- 3) Direct radiation
- 4) Groundwater (alternate)
Sample Station Location: If traveling west on Highway 333, then go approximately 0.35 miles from Gate 2 at ANO. Turn leR onto gravel road and go approximately 0.05 miles.
The sample station is on the left. If traveling east on Highway 333, then go approximately 0.9 miles fromjunction ofHighway 333 and Flatwood Road. Turn right onto gravel road and go approximately 0.05 miles. The sample station is on the left.
Sample Station 4 Number:
Approximate Direction & 180 - 0.7 miles Distance from Plant:
Sample Types: 1) Airborne radiciodines
- 2) Airborne particulate
- 3) Direct radiation Sample Station Location: Go approximately 0.25 miles south from bridge over intake canal. Turn right onto gravel road. Proceed approximately 0.1 miles west of May Cemetery entrance. The sample station is on the left approximately 50 feet south of the road.
Sample Station 5 Number:
Approximate Direction & 298 - 8.2 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Ijcation: When traveling on Highway 64, turn onto Cherry Street in Knoxville, AR and go approximately 0.7 miles. Turn left onto Highway 64 South and go approximately 0.2 miles. The sample ' station is on the right.
Attachment ts l OCAN049804-
- Page 22 of104 Sample Station 6 Number:
Approximate Direction & 111' - 7.0 miles Distance from Plant:
Sample Types: 1)'Airbome radioiodines
- 2) Airborne particulate
- 3) Direct radiation h3 Samole Station Location: Go to the AP&L local office which is located offHighway 7T in Russellville, AR (305 South Knoxville Avenue). The sample station is in the southeast corner of the back lot.
Sample Station 7 Number:
Approximate Direction & 209* - 19.3 miles Distance from Plant:
Sample Types: 1) Airborne radioiodines
- 2) Airborne particulate
)
- 3) Direct radiation i
Samole Station Location: Turn west at junction ofHighway 7 and Highway 27 in ;
Dardanelle, AR. Turn right onto Highway 10 and proceed a short distance to the AP&L l supply yard, which is on the right adjacent to an AP&L substation. The sample station is in the southwest corner of the supply yard.
Sample Station 8 Number:
Approximate Direction & 180 - 0.1 miles Distance from Plant:
l, Sample Types: 1) Surface water (composite)
- 2) Shoreline sediment
- 3) Fish L Samole Station Location: Plant discharge canal I-o
Attachment to OCAN049804 Page 23 of104 Sample Station 10 Number:
Approximate Direction & 95' - 0.9 miles Distance from Plant:
Sample Types: 1) Surface water (composite) l
- 2) Shoreline sediment
- 3) Fish Samole Station Location: Surface water (composite) is collected at plant intake structure. Shoreline sediment and fish are collected at plant inlet canal.
Sample Station 13 Number:
Approximate Direction & 271* - 0.5 miles Distance from Plant:
Sample Types: 1) Broadleafvegetation Samole Station Location: If traveling south on Flatwood Road, then go approximately 0.2 miles from sample station 109. The sample station is on the left. If traveling west from ANO toward gate 4, then go approximately 0.4 miles and turn right onto Flatwood Road. Go a short distance (approximately 30 yards). The sample station is on the right.
Sampic Station 14 Number:
Approximate Direction & 70 -' 5.3 miles Distance from Plant:
Sample Types: 1) Drinking water Samole Station Location: From junction of Highway 7 and Water Works Road, go approximately 0.8 miles west on Water Works Road. The sample station is on the left at the intake to the Russellville city water system from the Illinois Bayou.
i___________._________.
Attachment to OCAN049804
( Page 24 of104 1
Sample Station 16 Number:
Approximate Direction & 290 - 5.9 miles-l Distance from Plant:
l Sample Types: 1) Shoreline sediment Samole Station Location: From junction of Highway 64 and Highway 359 (Flat Rock Piney Bay Recreational Area turnoff), go approximately 0.7 miles west on Highway 64. The sample station is at the Piney Creek area on Lake Dardanelle.
Sample Station 19 Number:
Approximate Direction & 95* - 5.1 miles Distance from Plant:
Sample Types: 1) Milk Sample Station Location: Turn from Highway 7 onto Harrell Drive in Russellville, AR and go approximately 0.1 miles. Turn right and go approximately 0.25 miles. The sample station is on the left at the Arkansas Tech Dairy.
Sample Station 32 Number:
Approximate Direction & 132* - 0.9 miles Distance from Plant:
l Sample Types: 1) Groundwater Sample Station Location: From bridge over intake canal, go approximately 0.25 miles.
l Turn left and go approximately 0.25 miles. Turn left on Bunker Hill Lane and go
! approximately 0.05 miles. The sample station is on the right at Clifton Stewart's residence.
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Attachment to l i
( OCAN049804 l Pag 2 25 of104 -
1
, Sampic Station 33
- l. Number:
l Approximate Direction & 94* - 3.8 miles Distance from Plant:
Sample Types: 1) Groundwater Sample Station Location: From junction of Highway 64 and Highway 326 (Lake Front Drive), go approximately 0.3 miles east on Lake Front Drive. The sample station is on the left at the Ouita Lake Recreation on the Illinois Bayou.
Sample Station 36 Number:
- l. Approximate Direction & 140* - 0.05 miles Distance from Plant:
Sample Types: 1) Pond water
- 2) Pond sediment Samole Station Location: The sample station is at the Wastewater Holding Pond on the ANO site east of the discharge canal Sample Station 37 Number:
Approximate Direction & 0* - 7.5 miles Distance from Plant:
Sample Types: 1) Milk Samole Station Location: If traveling north on Highway 333, then go approximately
! 3.5 miles from junction of Highway 333 and Mill Creek Road on Highway 333. Turn left and l go approximately 0.1 miles. The sample station is on the left at the Lawrence Steuber Dairy.
l If traveling from junction of Highway 7 and Highway 333, then go approximately 6.0 miles l west on Highway 333. Turn right and go approximately 0.1 mile. The sample station is on L the left at the Lawrence Steuber Dairy.
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E____------------ - - - - - - _ - - - - - - - - - - - - - - 1
(
! Attachment to
( OCAN049804 Page 26 of104 - .
i Sample Station 38 Number:
Approximate Direction & 314* ' 2.4 miles Distance from Plant: -
- Sample Types
- 1) Food products (alternate)
Sample Station Location: From west junction ofHighway 64 and Highway 333 in London, AR, go approximately 0.4 miles west on Highway 64. Turn right at Hornet Estate and go approximately 0.1 miles.' Turn left and go approximately 0.1 miles. The sample station is on the left at the Ronnie Jones residence.
l Sample Station 40 Number: ;
Approximate Direction & 119 - 2.2 miles Distance from Plant:
Sample Types: 1) Food products i
Samole Station Location: From junction on Highway 64 and Highway 326 (Marina Road), go approximately 2.0 miles on Marina Road. The sample station is on the left, just prior to the curve, at the Horace Hollis residence.
Sample Station 45 Number: 1 Approximate Direction & 90 - 0.9 miles Distance from Plant:
Sample Types: 1)Broadleafvegetation ;
1 Sample Station Location: The sample station is located near the mouth of the intake canal Sample Station 48 Number:
Approximate Direction & 316* - 2.2 miles Distance from Plant:
Sample Types: 1) Food products Samole Station Location: R.J. Cochran residence located at No. 26 Highway 64
, London West, direct North (across from) London Volunteer Fire Department.
Attachment to OCAN049804 Page 27 of104 l Sample Station 49 l Number:
l Approximate Direction & 338 - 9.0 miles l Distance from Plant:
Sample Types: 1) Milk Sample Station Location: l If traveling from London, then take Highway 333 N. to Augsburg community. Turn left (west) at the Augsburg Church. Travel west on County Road 81 for 3.2 miles. Rylee Dairy on ri~ght (north) side of Country Road 81.
Sample Station 50 Number:
Approximate Direction & 47 - 10.8 miles Distance from Plant:
Sample Types: 1) Milk Sample Station Location: Take state Highway 7 north to Dover. Turn ight (east) on state Highway 27. Go approximately 1.6 miles. Dairy is located on left (north) side of state Highway 27.
Sample Station 51 Number:
Approximate Direction & 48 - 2.6 miles Distance from Plant:
Sample Types: 1) Food products Sample Station Location: Turn north off Highway 64 west onto Mill Creek Road. Go approximately 0.8 miles. Turu right on Pleasant View Road. Go approximately 0.4 miles.
The sample station is at A.C. Rylee's residence (white house on left).
Sample Station 52 Number:
Approximate Direction & 28 - 12.6 miles Distance from Plant:
Sample Types: 1) Milk Sample Station Location: If traveling from London, then take Highway 333 North to State Highway 7. Go north approximately 3.7 miles. Turn right on County Road (LaRue Ridge Road). Go approximately 1 mile. Turn left on Collins Farm Road.
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Attachment to OCAN049804 Page 28 of104 i
Sample Station 108 Number:
Approximate Direction & 30l* - 0.9 miles Distance from Plant:
Sample Types: 1) Direct radiation
- 2) Food products
_Samole Station Location: If traveling from Highway 333, then turn south onto Flatwood Road and go approximately 0.4 miles. The sample station is on the right. If traveling north on Flatwood Road, then go approximately 0.4 miles from sample station 109.
The sample station is on the left.
Sample Station 109 Number:
Approximate Direction & 285 - 0.5 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: If traveling south on Flatwood Road, then go approximately 0.4 miles from sample station 108. Sample station 109 is on a utility pole on the left across from thejunction of Flatwood Road and Round Mountain Road just before pavement ends. If traveling west from ANO toward C. ate 4, then go approximately 0.4 miles and turn right onto Flatwood Road. Go approximately 0.2 miles. The sample station is on a utility pole on the right across from the junction of Flatwood Road and Round Mountain Road just after pavement begins.
Sample Station 110 Number:
Approximate Direction & 138' - 0.8 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: From bridge over intake canal, go south approximately 0.25 miles. Turn left and go approximately 0.25 miles. Turn right on Bunker Hill Lane. The 4 sample station is on the first utility role on the left.
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Attachment to OCAN049804 Pag 3 29 cf104 Sample Station til Number:
Approximate Direction & 121* - 2.2 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: From junction ofHighway 64 and Highway 326 (Marina Road), go approximately 2.1 miles on Marina Road. The sample station is on a utility pole on the left just prior to curve.
Sample Station 112 Number:
Approximate Direction & 74* - 2.6 miles Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location: Go to the junction of Highway 64 and the I-40 exit which is approximately 1.3 miles east of sample station 113. Sample station 112 is on a utility pole on the northeast corner of the junction.
Sample Station 113 Number:
Approximate Direction & 52* - 1.5 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: Go to thejunction ofHighway 333 and Highway 64. The sample station is on a utility pole on the southwest corner of thejunction.
I Sample Station 114 Number:
Approximate Direction & 31* - 1.3 miles Distance from Plant:
Sample Types: 1) Direct radiation I
i Sample Station Location: If traveling west on Highway 64, then go approximately 0.6 miles west of the east junction of Highway 64 and Highway 333. The sample station is on a utility pole on the right. If traveling east on Highway 64, then go approximately 1.1 miles from sample station 115. Sample station 114 is on a utility pole on the left i
Attachment to OCAN049804 Page 30 cf104 Sample Station 115 Number:
Approximate Direction & 344' - 1.4 miles Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location: If traveling west on Highway 64, then go approximately 1.1 miles west of sample station 114. Sample station 115 is on a utility pole on the right. If traveling east on Highway 64, then go approximately 0.8 miles from the west junction of
- Highway 64 and Highway 333 in London, AR. The sample station is on a utility pole on the
! left.
Sample Station 116 Number:
Approximate Direction & 320 - 1.8 miles Distance from Plant:
Sample Types: 1) Direct radiation _
Samole Station Location: Go one block south of the west junction ofHighway 333 and Highway 64 in London, AR. The sample station is on a utility pole nonh of the railroad tracks.
Sample Station 117 Number:
Approximate Direction & 305* - 17.2 miles Distance from Plant:
Sample Types: '1) Direct radiation Samole Station Location: If traveling west on I-40, then take exit 58 at Clarksville, AR. .
Turn right onto Rogers Street. At junction of Rogers Street and Highway 64, turn left and proceed west to first stop light. Turn left onto Cravens Street. The sample statin is on a utility pole on the right between the county counhouse and the post office. If traveling west on Highway 64, then go to first stop light past junction of Rogers Street and Highway 64.
Turn left onto Cravens Street. The sample station is on utility pole on the right between the county courthouse and the post office.
Attachment to OCAN049804 - '
Page 31 of104 Sample Station 118 Number:
Approximate Direction & 294* - 5.6 miles
. Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: If traveling east of. Highway 64, then go approximately 0.3 miles from bridge which goes across Piney. The sample station is on a utility pole on the lea.
If traveling west on Highway 64, then go approximately 0.4 miles past Flat Rock Piney Bay Recreational Area turnoff. The sample station is on a utility pole on the right.
Sample Station 119 Number:
Approximate Direction & 309* - 4.8 miles Distance from Plant: j Sample Types: 1) Direct radiation l l
Samole Station Location: Turn west from Highway 333 onto Will Baker Road, which )
intersects Highway 333 approximately 1.4 miles north of the I-40 overpass near London, AR.
go approximately 2.0 miles. The sample station is on a utility pole on the lea just prior to pavement ending.
Sample Station 120 I Number:
Approximate Direction & 336* - 4.2 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: If traveling from I-40 overpass in London, AR, then go north on Highway 333 approximately 2.4 miles. The sample station is on a utility pole on the right near Martin Chapel. If traveling from junction ofMill Creek Road and Highway 333, then go approximately 1.0 mile south on Highway 333. The sample station is on a utility pole on the ,
lea near Martin Chapel.
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Attachment to OCAN049804 Page 32 cf104 Sample Station 121 Number:
Approximate Direction & 349* - 4.6 miles Distance from Plant: l Sample Types: 1) Direct radiation Samole Station Location: If traveling from I-40 overpass in London, AR, then go non..
on Highway-333 approximately 3.4 miles to Mill Creek Road. Turn right onto Mill Creek Road and go approximately 0.7 miles. The sample station is on a utility pole on the right. If traveling northwest on Mill Creek Road, then go approximately 0.4 miles past East Point Baptist Church and Cemetery. The sample station is on a utility pole on the left.
Sample Station 122 Number:
Approximate Direction & 18 - 3.3 miles '
Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location: If traveling north from junction ofHighway 64 and Mill Creek Road, then go approximately 2.5 miles. The sample stat.'cm is on a utility pole on the right. If traveling southeast on Mill Creek Road, then go approxu.Jtely 1.9 miles from East Point Baptist Church. The sample station is on a utility pole on the left.
Sample Station 123 Number:
Approximate Direction & 46' - 3.5 miles Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location: Turn north from Pleasant View Road onto Ball Hill Road j and go approximately 0.8 miles. The sample station is on a utility pole on the left.
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Attachment ts ,
OCAN049804
{
Page 33 of104 i Sample Station 124 Number:
Approximate Direction & 60* - 3.2 miles Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location: If traveling frons junction nfHigh ;ay 64 and Mill Creek Road, then go north on Mill Creek Road approximately 0.7 miles. Turn right onto Pleasant View Road and go approximately 1.3 miles. The sample station is on the right on a utility pole which is across from a siren and below a transmission line. If traveling west from junction of Highway 7 and Pleasant View Road, then go approximately 3.1 miles. The sample station is on the lea on a utility pole which is across from a siren and below a transmission line.
I Sample Station 125. I Number:
Approximate Direction & 46* - 9.1 miles !
Distance from Plant:
l Sample Types: 1) Direct radiation Samole Station Location: While traveling north on Highway 7, turn lea onto Water Street in Dover, AR. Go one block and turn left onto South Elizabeth Street. Go one block and tum right onto College Street. The sample station is on a utility pole at the southeast l corner of the red brick school building which is located on top of the hill. I Sample Station 126 Number:
Approximate Direction & 81* - 5.5 miles Distance from Plant:
SampleTypes: 1) Direct radiation Samole Station Location: The sample station is located on the west side of Highway 7 directly across from Shiloh Road, which is approximately L3 miles north of the junction of Highway 7 and Lake Front Road.
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___-____-A_m_m.__ _ _ _ _ _ _ . _ _ . _ _ _ - _ _ . _ ._
Attachment to OCAN049804 -
'Page 34 of104 Sample Station 127 Number:
Approximate Direction & 102' - 5.6 miles
! Distance &om Plant:
Sample Types: 1) Direct radiation Samole Station Location: The sample station is located on the Arkansas Tech Campus on West O Street on a security light pole in front of Bryan Hall, which is the first building on i- - the left when traveling from North Arkansas on West O Street.
L lL- Samspie Station. 128 t Number:
{ Approximate Direction & 113' - 8.6 miles f Distance from Plant:
l Sample Types: 1) Direct radiation t
Samnie Station L~* tion: The sample station is on a utility pole inside the security fence near the Russellville Airport Office. The airport is located off of East 16th Street and is well marked by airport signs.
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Sample Station 129 ,
Number:-
l Approximate Direction & 118' - 7.3 miles I
l Distance from Plant:
L Sample Types: 1) Direct radiation -
Samole Station Location: The sample station is on a utility pole north of the Russellville High School sign, which is in front of the high school on east side of Highway 7T.
b Sample Station 130 i~ Nu'eber:
-Approximate Direction & 245* - 4.6 miles ;
Distance from Plant:
Sample Types: 1) Direct radiation i
Samole Station Location: At junction of Highway 7 and Highway 22 in Dardanelle, AR, take Highway 22 toward Delaware, AR. Go approximately 0.4 miles west of Delaware Recreation Area turnoff. ' The sample station is on a utility pole on the right in Delaware, AR near Shirley's Beauty Salon.
t Attachment ts l OCAN049804 Page 35 of104 i
Sample Station 131 Number:
Approximate Direction & 244* - 2.4 miles Distance from Plant:
Sample Types: 1) Direct radiation l
1 Samole Station Location: Turn north from Highway 22 onto Highway 393 at Delaware Recreation Area turnoff and go approximately 2.9 miles. The sample station is located past the boat ramp on an oak tree near crosstic steps in northeast quadrant of circle drive.
Sample Station 132 l
Number:
Approximate Direction & 267* - 5.8 miles Distance from Plant:
Sample Typ:s: 1) Direct radiation Samole Station Location: Tum north from Highway 22 onto Highway 393 at Delaware Recreation Area turnoff and go approximately 0.9 miles. Turn left onto dirt road and go approximately 2.3 miles. The sample station is on a utility pele on the right.
Sample Station 133 Number:
l Approximate Direction & 233 - 3.7 miles l Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: If traveling west on Highway 22, then go approximately 2.0 miles from sample station 134. Sample station 133 is on the south side of the Highway 22 causeway attached to the first NO PARKING ANY TIME sign west of the bridge. If traveling east on Highway 22 from Delaware, AR, then go approximately 0.8 miles from Delaware Recreation Area turnoff. The sample station is on the south side of the Highway 22 I-causeway attached to the first NO PARKING ANY TIME sign west of the bridge.
4
A*+=chmaat t3 OCAN049804 j l' Page 36 cf104 l
l Sample Station 134 4 l Number:
l Approximate Direction & 200* - 2.8 miles Distance from Plant:
l Sample Types: 1) Direct radiation l 1 l
Samole Station Location: If traveling west on Highway 22, then go approximately 0.8 miles from sample station 135. Sample station 134 is on a utility pole on the right at Mockingbird Lane. If traveling east on Highway 22, then go approximately 2.0 miles from sample station 133. Sample station 134 is on a utility pole on the left at Mockingbird Lane.
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Sample Station 135 Number: ]
i
' Approximate Direction & 188* - 3.2 miles Distance from Plant:
l j
Sample Types: 1) Direct radiation j l
1 Samole Station Location: If traveling northwest on Highway 22, then go approximately )
1.7 miles from sample station 136. Sample station 135 is on a utility pole on the right.- If traveling east on Highway 22, then go approximately 0.8 miles from sample station 134.
Sample station 135 is on a utility pole on the left. I I
i Sample Station 136 Number:
Approximate Direction & 168* - 4.3 miles Distance from Plant: ;
Sample Types: 1) Direct radiation I Samole Station Location: If traveling west on Highway 22, then go approximately 3.7 1 i
junction of Highway 22 and Highway 7. The sample station is on the right on the first utility l pole west' of the Little Hays Creek Bridge. if traveling east on Highway 22, then go approximately 1.7 miles from sample station 135. Sample station 136 is on the left on the first l utility pole west of the Little Hays Creek Bridge.
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Attachment to -
OCAN049804 Page 37 of104 Sample Station 137 Number: '
Approximate Direction & 150* - 8.4 miles Distance from Plant:
l Sample Types: 1) Direct radiation Samole Station Location: At junction of Highway 7 and Highway 28 in Dardanelle, AR, go approximately 0.2 miles on High.way 28. The sample station is on a speed limit sign on the right in front of the Morris R. Moore Arkansas National Guard Armory.
1 Sample Station 138 Number:
Approximate Direction & 193* - 5.8 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: At junction ofHighway 22 and Highway 155 (Mt. Nebo Road) in Dardanelle, AR, turn west and to the top of the mountain. Veer rightpt stop sign and proceed toward Sunset Point. The sample station is down a dirt' road on theiright which is approximately 0.1 miles southeast of Sunset Point. The saniple station is on thjileft side of the dirt road on a utility pole near a TV tower.
Sample Station 139 Number:
Approximate Direction & 178* - 19.2 miles Distance from Plant:
Sample Types: 1) Direct radiation Sample Station Location: Take Highway 7 South through Dardanelie, AR to Ola, AR.
Turn left at junction of Highway 7 and Highway 10 West in Ola, AR and go approximately 1/2 block. The sample station is on a utility pole on the left in front of the U.S. Post Office.
Attachment to OCAN049804 I Page 38 of104 ' ,I
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l Sample Station 140 Nurnber:
Approximate Direction & 151 -21.8 miles Distance from Plant:
Sample Types: 1) Direct radiation l
Samole Station Location: Proceed through Ola, AR and take Highway 10 Fiet to j Casa, AR, which is in Perry County. Turn right at the Perry-Casa High School. The sample
,. ' station is on a utility pole at the southwest corner of the school.
i' Sample Station Jt41 -
Number:
Approximate Direction & 125* - 3.8 miles Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location: While traveling southwest on Highway 326 (Marina Road),
go approximately 2.4 miles from sample station 111. Sample station 141 is on the right on a utility pole, which is approximately 50 yards east of a transmission line. The sample station is approximately 0.35 miles west of11tejunction ofHilltop Drive and Marina Road.
Sample Station 142 Number:
Approximate Direction & 129" - 5.1 miles Distance from Plant:
t Sample Types: 1) Direct radiation Samole Station Location: The sample station is on a utility pole at the junction of Skyline Drive and Nordin Lane in Russellville, AR, near a peach orchard.
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Attachment to OCAN049804 l Page 39 cf104 Sample Station 143 Numben Approximate Direction & 106* - 17.5 miles Distance from Pl. anti-Sample Types: 1) Direct radiation L
Sample Station Location: If traveling east on Highv/ay 64 to Atkins, AR, then turn left atjunction ofHighway 64 and North Church Street. Proceed north. The sample station is on a utility pole on the left in front of Atkins High School near stop sign at corner of North Church Street and Northeast 3rd Street. If traveling east on Interstate 40, then take exit 94 at Atkins, AR. Turn left onto North Church Street and proceed south. The sample station is on a utility pole on the right in front of Atkins High School near the stop sign at the corner of . ,
North Church Street and Northeast 3rd Street.
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l Sample Station 144 Numben Approximate Direction & 313' - 12.7 miles Distance from Plant:
Sample Types: 1) Direct radiation Samole Station Location While traveling on Highway 64, turn south onto Cumberland Street in Lamar, AR, and go approximately 0.7 miles. Veer left at stop sign. The sample station is on a utility pole across the one way fire lane in front of Lamar Elementary School.
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_ _ . _ _ . _ . _ - . _ _ . _ . _ .-___________s
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Attachment to OCAN049804 Page 40 of104 j FIGURE 1-1 Exposure Pathways 1 ,
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Attachment to OCAN049804 Page 42 of104 2.0 Interpretation and Trends' of Results 2.1 Air Particulate and Radio' iodine Sample Results Since gamma radionuclides were not detected in the air particulate composites and Iodine-131 was not detected in the radioiodine cartridges during 1997, as has been the case in previous years, the airborne exposure pathway has been unaffected by the operation of ANO. Indicator gross beta air particulate results for 1997 were similar to those background levels obtained in previous years of the operational REMP and well below preoperatioral levels as seen below. Results are reported as annual average l @m .
l Monitorina Period Result l Preoperational 0.047 l 1987-1996 0.019 !
1997 0.020 Gross beta results for 1997 rangeo from 0.004 - 0.055 pCi/m3 with a mean of 0.020 pCi/m3 for indicator locations as e impared to control locations which ranged from 0.009 - 0.059 pCi/m3 with a mean of 0.022 pCi/m3. This further emphasizes that the l airborne pathway has been unaffected ti- . q.eration of ANO. In addition, the
- standard "t" test was used to compare ruage gross beta concentrations from the i
indicator locations to the control. The test result indicates concentrations at indicator sample locations 1,2 and 3 to be statistically identical to the control location, and indicator sample location 4 to be statistically lower than the control. Although a difference does exist with sample location 4 background fluctuations and geographical location are contributing factors to be cesidsred. Results of this analysis are summarized in Attachment 2.
2.2 Thermoluminescent Dosimetry Sample Results
- Quarterly doses recorded by TLDs during 1997 were as follows:
l
- O - 2 miles, mean of 7.7 mrem and range of 5.0 - 12.0 mrem e 2 - 5 miles, mean of 6.0 mrem and range of 2.0 - 10.0 mrem e > 5 miles, mean of 6.9 mrem and range of 4.0 - 11.0 mrem i
!- In 1997, ANO reported measured doses as net exposure (field reading - transit reading) normalized to 92 days. Previously, measured doses were reported as gross exposure. This reporting change did not affect the program since ANO relies on comparison of the indicator locations to the controls as a measure of plant impact.
Attachment to OCAN049804 Page 43 of104 ANO's comparison, as shown in Figure 2-1, of the indicator and control TLD results indicates that the ambient radiation levels are unafrected by plant operations.
Therefore, levels continue to remain at or near background. In addition, the standard "t" test was used to compare average radiation doses from the 0 - 2 and 2 - 5 mile area TLDs to the >5 mile area TLDs. The results from this test indicates radiation doses at the 0 - 2 and 2 - 5 mile range to be statistically identical to the >5 mile range. Results of this cnalysis are summarized in Attachment 2.
2.3 Milk Sample Results Milk samples were collected monthly from four control locations in 1997 and analyzed for Iodine-131 and gamma radionuclides. Iodine-131 and gammaradionuclides were below detectable limits in all control locations. Listed below is a comparison of 1997
, results as compared to preoperational and operational years. Rcsults are reported in pCi/l units.
Radionuclides 1997 1987 - 996 Preoperational Iodine-131 <LLD 0.3 1.6 Cesium-137 <LLD 4.7 <LLD Other Gammas <LLD <LLD <LLD Since their are no dairies within five miles of the ANO site and the control locations do not indicate any unusual concentrations of radioisotopes, it is concluded ANO's operation had no impact on this pathway in 1997, as has been the case in previous years.
2.4 Water Sample Results Analytical results for 1997 drinking water, surface water and groundwater samples were similar to those reported in previous years.
Drinking water samples were collected monthly from one location and analyzed for gross beta radionuclides, Iodine-131 and gamma radionuclides. In addition, a composite was analyzed quarterly for tritium. Gamma radionuclides and Iodine-131 were below detectable limits, which is consistent with preoperational and operational years. Gross beta concentrations ran8ed from 2.22 - 11.3 pCi/l with a mean of 3.81 pCi/l, which are consistent with preoperational and operational levels. Tritium was detected at concentrations which ranged from 319.0 - 351.0 pCi/l with a mean of 335.0 pCi/1, which is below previously detected background levels. Listed below is a comparison of 1997 results to preoperational and operational years. Results are reported in pCi/l units.
Attachment to OCAN049804 Page 44 sf104 Radionuclides 1997 1987- 1999 Precoerational Gross Beta 3.81 3.5 6.4 Iodine-131 <LLD 0.3 <LLD Gammas <LLD <LLD <LLD Tritium 335.0 580.0 165.0 Based on this comparison, the operation of ANO had no impact on this pathway during 1997.
j Sudace water samples were collecied monthly and analyzed for gamma radionuclides and a composite was analyzed quarterly for tritium. Gamma radionuclides were below i detectable limits with trif.um continuing to be detected. Listed below is a comparison l- of 1997 results from indicator locations as compared to the preoperational and operational years. Results are reported in pCi/l units. I i
l Radionuclides 1997 1987 - 1996 Preonerational I Cobalt-58 <LLD 7.5 <LLD Cesium-137 <LLD <LLD 17.8 Other Gammas <LLD <LLD <LLD l Tritium 777.8 691.2 160.0 Based on this comparison,1997 levels are similar to historic values; therefore, the 3'
l operation of ANO had little or no impact on this pathway. Figure 2-2, which presents 1997 tritium concentrations in comparison to previous years, further emphasizes the above conclusion.
Groundwater samples were collected quarterly from two locations and analyzed for gamma radionuclides and tritium. As in preoperational and previous operational years, gamma radionuclides remained undetectable. Tritium was detected.in both the indicator and control locations. Tritium levels at the indicator location ranged from 252.0 - 294.0 pCi/l with a mean of 273.0 pCi/l as compared to the control location which ranged from 203.0 -'348.0 pCi/l with a mean of 275.5 pCi/1. These concentrations are well below the required LLD value and is below previous levels detected in the preoperational and operational years. Therefore, concentrations continue to be at, or near, background levels.
)
Attachment to l OCAN049804 l' Page 45 of104 .
1 I
i 2.5 Vegetation and Food Product Sample Results Vegetation and food product samples were collected when available from five locations in 1997 and analyzed for Iodine-131 and gamma radionuclides. The 1997 levels remained undetectable, as has been the case since 1989. Overall, concentrations continue to remain at or near background levels, and continue to be well below the preoperationalIodine-131 average levels of 60.0 pCi/kg, Cesium-134 average levels of 70.9 pCi/kg and Cesium-137 average levels of 349.5 pCi/kg, as measured from the. !
indicator locations. !
2.6 Sediment Sample Results Sediment samples were collected semiannually from three locations in 1997 and j analyzed for gamma radionuclides. As in previous years, radionuclides attributable to j ANO were detected in the discharge sediment. However, Figure 2-3 shows that 1997 levels are below those of previous operational years. Since reporting levels for radionuclides in sediment have not been established, an evaluation of potential dose to the public from this media was performed as shown in Attachment 3. The annual maximum dose from all radionuclides to the skin and total body was <0.01 millirem.
Design objectives given in 10CFR50, Appendix I for liquid effluents are annual doses of s3 millirem total body and $10 millirem any organ. The values of <0.01 millirem for the skin and total body are well within the design objective criteria. Therefore, the level of radionuclides detected in 1997 had no significant impact on the environment or public.
2.7 Fish Sample Results Fish samples were collected semiannually from two locations and analyzed for gamma radionuclides. In 1997, gamma radionuclides were below detectable limits which is consistent with the preoperational monitoring period and the steady decrease of !
activity noted over past operational years. As shown in Figure 2-4, all detectable j activities over previous years were well below the required LLD 'specified in the i technical specifications. . Therefore, based on these measurements, ANO operations 1 had no significant radiological impact upon the environment or public by this pathway. I l
2.8 Land Use Census Results The land use census did not identify any changes from 1996 to 1997. Therefore, ANO.
did not modify the REMP. In addition, there were no identified locations which yielded a calculated dose or dose commitment greater than those currently calculated.
i ANO personnel chose not to perform a garden census in 1997, which is allowed by ANO Unit 1 Technical Specification 4.30.2 and Unit 2 Technical Specification 3/4.12.2, in lieu of broadleaf vegetation sampling in the meteorological sector (Sector
Attachment to 0CAN049804 Page 46 of104
- 13) with the highest "D/Q". Results of the 1997 land use census are pr'esented in Table 2.1.-
2.9 - Interlaboratory Comparison Results RBS' environmental laboratory analyzed interlaboratory comparison samples for ANO to fulfill the requirements of ANO Unit 1 and Unit 2 Technical Specifications 4.30.3 and 3/4.12.3, respectively. Attachment 1, 1997 Radiological Environmental Monitoring Report, contains these results. Based on ANO's review, 8 of the 106 analyses were outside the three sigma control acceptance limits. Environmental samples are analyzed and reported with a 95% confidence level that the analytical result with its associated error encompasses the "true" value. Based on this, 95% of the interlaboratory comparison results were within the control limits for accuracy and precision based on the Environmental Protection Agency's acceptance criteria. In addition, review of the results by ANO and RBS personnel indicated no impact on past data as a result of these program exceptions. For additional detail on the unacceptable analysis results, refer to Table 11.0 of Attachment 1.
3.0 Radiological Environmental Monitoring Program Summary 3.1 1997 Program Results Summary Table 3.1 summarizes the 1997 REMP results. ANO personnel did not use values
- reported as less than the lower limit ofdetection (<LLD) when determining ranges and means for indicator and control locations.
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Attachment to 0CAN049804 Page 51~ of 104 TABLE 2.1 - 1997 Land Use Census September 22 - 25,1997 MILK-PRODUCING ANIMALS WITHIN FIVE (5) MILES Milk-producing animals are divided into two categories defined as:
- 1) f,;. lgs "A" Dairies - dairies in which milk is intended for human consumption as Grade "A" l milk
- 2) Individual Milk-Producing Animals - family animals in which the milk is intended for home l use and/or sale.
l There are no Class "A" Dairies or Individual Milk-Producing Animals within a five mile radius l l ofANO. ;
l t l MILK-PRODUCING ANIMALS OUTSIDE FIVE MILE RADIUS -(CURRENTLY l SAMPLED) :
1.
Class "A" Dairies Azimuth - Distance ,
Arkansas Tech University 95 degrees - 5.1 miles Steuber Dairy 0 degrees - 7.5 miles
- l. Rylee Dairy
- 338 degrees - 9.0 miles l
Ragsdale Dairy ~ 47 degrees - 10.8 miles Individual Milk-Producian Animals
[ Collins Dairy l l 28 degrees - 12.6 miles
- Discontinued milking operations in March 1997 and replaced by Collins Dairy.
l L
Attaciunent to OCAN049804 Page 52 of104 TABLE 2.1 - 1997 Land Use Census
. September 22 - 25,1997 l
NEAREST RESIDENCE WITHIN FIVE MIL.Eg l
l Secter Residence Location Distance (miles) 1 W. Henderson S.R.333 0,7 1 2 Snider 8893 Hwy 64 1.2 -)
1 G. Murray 3 Gum Lane 0.9 4 Knight Knight Lane 0.7 L 5 O. Bibler Bibler Lane 0.9 6 R. Lambert Scott Lane 0.~8 7 Douglas 237 Bunker Hill Lane 0.8 8 M. A. Wood Wood Lane 0.8 9 B. Williams May Road 1.0 10 McClurley May Road 0.8 l
l' 11 B. Northup 1269 River Oaks 3.2 12 G. Sides Flatwood Road 0.7 l 13 J. Nichols Flatwood Road 1.0 14- Young 110 Round Mt. Lane 0.7 l
l 15 W. D. Hale S.R.333 0.8 16 Roshto 85 Bennett Circle 0.8 E___________________.-_ __ _
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- I E
Attachment to OCAN049804 Page 58 Cf104 i
l Attachment 1 1997 Radiological Monitoring Report Summary of Monitoring Results 1
. 1 I
l L -. _ . _ - _ _ . - _ _ - _ _ _ _ _ _ _ _ - _ - - _ _ _ _ _ _ _ _ _ _ _ _
Attachment to OCAN049804 -
Page 59 of104 Summary of Monitoring Results Radionuclides Detected The following radionuclides were detected during this reporting period:
-*- Gross beta and tritium in the City of Russellville drinking water.
- Tritium in the intake and discharge bay surface water. .
- Tritium in the Stewart Residence and Ouita Recreation Area groundwater.
- Cobalt-60, Cesium-134 and Cesium-137 in the discharge sediment.
. . Cesium-137 in the intake and Piney Creek sediment.
Samole Deviations The following air sample locations had equipment malfunctions during this reporting -
period.
Location Samnle Period Run Time (hrs) Comment Station #2 12/31/96 - 01/07/97- NA No flow Station #2 02/11/97 - 02/18/97 NA End flow at 131/m Station #4 07/08/97 - 07/15/97 75.11- Sampler failure No analysis was performed on milk sampling Stations 37 (Steuber) and 52 (Ragsdale) collected on October 10,1997 due to the samples not being shipped to the analytical !
laboratory.
One first quarter TLD (Station 113) and one second quarter TLD (Station 136) were l missing in the field due to vandalism. ;
l Samnie Relocations Milk sample station 49 (Rylee Dairy) discontinued milking operations and was replaced by sample station 52 (Collins Goat Dairy).
Attachment to OCAN049804 Page 60 of104 Summary of Monitoring Results Reauired Lower Limit of Detection (LLD) Values All LLDs for this reporting period were within the acceptable limits required by the technical specifications.
Analytical Laboratory Services Samples collected by ANO were analyzed by River Bend Station's environmental laboratory located at St. Francisville, Louisiana.
I l
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Attachment to OCAN049804 Pa8e 61 of104 Tabic 1.1 SampleType: .IA-. .. L .. '. l v la.
Collection: raatianana with Weekly FvQ i Analysis: Gross Beta (Particulate) and Iodine-131 (Radunodme Cartndge)
Units: pCi/m' Location: 01, Met Tower (Indicator)
Particulate Radioiodine Lab ' Lab Start Date End Gross Beta I-131 Number Number Date 1
Reauired LLD + 0.01 0.07 970061 970061 12/31/ % 01/07/97 0.014
- 0.002 <0.021 970120 970120 01/07/97 01/14/97 0.015 0.002 <0.029 970137 970137 01/14/97 01/21/97 0.020.* 0.002 <0.018 970185 970185 01/21/97 01/28/97 0.024
- 0.002 <0.023
'970219 970219 01/28/97 02/04/97 0.025
- 0.002 <0.014 970255 970255 02/04/97 02/11/97 0.014
- 0.002 <0.027
.970292 970292 02/11/97 02/18/97 0.019 0.002 <0.022 970328 970328 02/18/97 02/25/97 0.014
- 0.002 <0.024 970365 970365 02/25/97 03/04/97 0.014
- 0.002 <0.027 970390 970390 03/04/97 03/11/97 0.015
- 0.002 <0.021 970418 970418 03/11/97 03/18/97 0.016
- 0.002 <0.020
.970451 970451 03/18/97 03/25/97 0.014
- 0.002 <0.018 970500 970500 03/25/97 04/01/97 0.010 0.002 <0.016 i 970534 970534 04/01/97 04/08/97 0.012
- 0.002 <0.035
-970574 970574 04/08/97 04/15/97 0.017
- 0.002 <0.019 970599 970599- 04/15/97 04/22/97 0.023
- 0.002 <0.018 970644 970644 04/22/97 04/29/97 0.012 0.002 <0.019 )
970673 970673 04/29/97 05/06/97 0.015 0.002 <0.040
.970706 970706 05/06/97 05/13/97 0.015
- 0.002 <0.028 j 970730 970730 05/13/97 05/20/97 0.015
- 0.002 <0.029 i 970762 970762 05/20/97 05/27/97 0.018
- 0.002 <0.030 970807 970807 05/27/97 06/03/97- 0.015
- 0.002 <0.025 970822 970822 06/03/97 06/10/97 0.017
- 0.002 <0.020 970864 970864 06/10/97 06/17/97 0.014
- 0.002 <0.020 970921 970921 06/17/97 06/24/97 0.021
- 0.002 <0.022 i
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Attachment to OCAN049804 Page 62 of104 Table 1.1 Sample Type: Air Particulate and Radioiodine Collection: Continuous withWeekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radioiodine Cartridge)
Units: pCi/m' Location: 01, Met Tower (Indicator)
Particulate Radiciodine U Lab Lab Start Date End Gross Beta I-131 Number Number Date Reauired LLD + Oft i, 0.07 970946 970946 06/24/97 07/01/97 0.016 0.002 <0.022 970987 970987 07/01/97 07/08/97 0.020
- 0.002 <0.023 971011 971011 07/08/97 07/15/97 0.020 0.002 <0.029 971089 971089 07/15/97 07/22/97 0.033
- 0.003 <0.022 971106 971106 07/22/97 07/29/97 0.038 0.003 <0.018 971146 971146 07/29/97 08/05/97 0.028.* 0.002 <0.019 971192 971192 08/05/97 08/12/97 0.027
- 0.002 <0.018 971228 971228 08/12/97 08/19/97 0.018
- 0.002 <0.021 971282 971282 08/19/97 08/26/97 0.032 0.003 <0.033 971308 971308 08/26/97 09/02/97 0.043
- 0.003 <0.023 971333 971333 09/02/97 09/09/97 0.029
- 0.002 <0.018 971375 971375 09/09/97 09/16/97 0.045
- 0.003 <0.013 971395 971395 09/16/97 09/23/97 0.034
- 0.003 <0.019 971439 971439 09/23/97 09/30/97 0.023
- 0.002 <0.020 971470 971470 09/30/97 10/07/97 0.038
- 0.003 <0.018 971532 971532 10/07/97 10/14/97 0.021
- 0.002 <0.021 i 971567 971567 10/14/97 10/21/97 0.031 0.002 <0.014 971615 971615 10/21/97 10/28/97 0.022 0.002 <0.01 971644 971644 10/28/97 11/04/97 0.022
- 0.002 <0.029 971675 971675 11/04/97 11/11/97 0.028
- 0.002 <0.015 971695 971695 11/11/97 11/18/97 0.027
- 0.002 <0.023 971732 971732 11/18/97 11/25/97 0.055
- 0.003 <0.020 971782 971782 11/25/97 12/02/97 0.034
- 0.003 <0.024 971810 971810 12/02/97 12/09/97 0.023 0.002 <0.020 971840 971840 12/09/97 12/16/97 0.028
- 0.002 <0.022 971879 971879 12/16/97 12/23/97 0.039
- 0.003 <0.027 971904 971904 12/23/97 12/30/97 0.019 0.002 <0.026
Attachment to OCAN049804 Page 63 of104 Table 1.2 Sample Type: Air Particulate and Radioiodine Collecten Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radunodme Cartndge)
Units: pCi/m' Location: 02, Southwest of Site (Indicator)
Particulate Radioiodine Lab Lab Number Start Date End Date Gross Beta I-131 Number Reauire! LLD + 0.01 0.07 12/31/96 01/07/97 *
- 970121 970121 01/07/97 01/14/97 0.017
- 0.002 <0.027 970138 970138 01/14/97 01/21/97 0.018
- 0.002 <0.025 970186 970186 01/21/97 01/28/97 0.019
- 0.002 <0.022 970220 970220 01/28/97 02/04/97 0.025
- 0.002 <0.019 970256 970256 02/04/97 02/11/97 0.018
- 0.002- <0.015 970293
- 970293
- 02/11/97 02/18/97 0.020
- 0.003 <0.030 '
970329 '970329 02/18/97 02/25/97 0.011
- 0.002 <0.019 l 970366 970366 02/25/97 03/04/97 0.012
- 0.002 <0.030 970391 970391 03/04/97 03/11/97 0.010
- 0.002 <0.021 970419 970419 03/11/97 03/18/97 0.017 0.002 <0.025 970452 970452 03/18/97 03/25/97 0.015
- 0.002 <0.027 * ,
970501 970501 03/25/97 04/01/97 0.012
- 0.002 <0.014 f 970535 .
970535 04/01/97 04/08/97 0.007
- 0.002 <0.038 970575 970575 04/08/97 04/15/97 0.019
- 0.002 <0.023 6
970600 970600 04/15/97 04/22/97 0.027
- 0.003 <0.025 [
970645 970645 04/22/97 04/29/97 0.014
- 0.002 <0.025 !
970674 970674 04/29/97 05/06/97 0.015
- 0.002 <0.029 970707 970707 05/06/97 05/13/97 0.012
- 0.002 <0.027 970731 970731 05/13/97 05/20/97 0.013
- 0.002 <0.041 970763 970763 05/20/97 05/27/97 0.013
- 0.002 <0.033 970808 970808 05/27/97- 06/03/97 0.006 0.002 <0.026 j 970823 970823 06/03/97 06/10/97 0.016
- 0.002 <0.010 !
970865 970865 06/10/97 06/17/97 0.012
- 0.002 <0.022 970922 970922 06/17/97 06/24/97 0.024 0.002 <0.029 )
l i
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- See Sample Deviations on Page 59 of this report.
i 1
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Attachment to OCAN049804 Page 64 of104 Table 1.2 - .
Sample Type: Air Particulate and Radioiodme
~
Collection Contmuous with Weekly Exchange Analysis Gross Beta (Particulate) and Iodine-131 (Radioiodme Cartridge)
Units: pCi/m' f
-Loc.ationi O2, Southwest of Site (ladicator)
Particulate. Radiciodine Lab .
Lab Number Start Date End Date Gross Beta I-131 Number Reauirei LLD 4 E M
. E, 970947 970947 06/24/97 07/01/97 0.018
- 0.002 <0.025 970988 970988 07/01/97 07/08/97 0.018
- 0.002 <0.021 971012- 971012 07/08/97 07/15/97 0.017
- 0.M2 <0.022
,971090. 971090 07/15/97 07/22/97 0.027
- 0.002 <0.017 971107 971107~ 07/22/97 07/29/97 0.028
- 0.003' <0.022 '
971147 971147 07/29/97 08/05/97 0.027
- 0.003- <0.020 971193 971193 08/05/97 08/12/97 0.009
- 0.002 <0.018 971229 971229 08/12/97 08/19/97 0.014
- 0.002 - <0.016 971283 971283 08/19/97 08/26/97' O.013
- 0.002 <0.036 971309 971309 08/26/97 09/02/97 0.033
- 0.003 <0.032 '
971334 971334 09/02/97 09/09/97 0.022
- 0.002 <0.018 T '971376 971376- 09/09/97 09/16/97' O.031
- 0.003 <0.019 ,
9713 % 9713 % '09/16/97 09/23/97 0.029
- 0.002 <0.021 971440- .971440 09/23/97 09/30/97 0.021
- 0.002 <0.022 971471 971471 09/30/97 10/07/97 0.038 0.003 <0.022
-971533 971533 10/07/97 10/14/97 0.022
- 0.002 <0.018
'971568 971568 10/14/97 10/21/97 0.023
- 0.002 . <0.018 971616- 971616 10/21/97 10/28/97 0.023
- 0.002 <0.022 -
-971645- 971645 10/28/97 11/04/97 0.027
- 0.003 <0.029 l971676- 971676 11/04/97 11/11/97 0.045
- 0.003 <0.023
'971696' 9716 % 11/11/97 11/18/97 0.021
- 0.002 <0.020
'971733 971733 11/18/97 11/25/97 0.048
- 0.003 .<0.028 971783' 971783 11/25/97 12/02/97 0.031
- 0.002 <0.026 -
971811 971811 12/02/97- 12/09/97 0.018
- 0.002- <0.020 971841 971841- 12/09/97 12/16/97 0.02S
- 0.002 <0.019
~971880 971880- 12/16/97 12/23/97 0.037
- 0.003 <0.025 971905' 971905 12/23/97 12/30/97 0.022
- 0.002 <0.025 1 a.
f 1
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _________________1_._
- ' Attachmem to OCAN049804 ^
!. Page 65 of104 l ~ Table 1.3 Sample Type: 4.ir. Particulate and Radioindine l _ Collection Continuous with Weekly hk y Analysis: Gross ' Beta (Particulate) and Iodme-131 (Radiciodine Castndge)
- Units: pCi/m' Location: 03, North of Site'(Indicator) l.
Particulate Radiciodine Lab Lab Nuamber . Start End Date Gross Beta I-131 Nuaiber Date Reauired LLD + 0.01 0.07 l <
970062 970062 12/31/96 01/07/97 0.017
- 0.002 <0.026 970122 970122 01/07/97 .01/14/97 0.016 0.002 <0.029 970139 970139 01/14/97 01/21/97 0.023
- 0.002 <0.023 ,
- 970187 970187 01/21/97 01/28/97 0.012 0.002 <0.022 970221 970221 01/28/97 02/04/97 0.008
- 0.002 <0.020 l
970257 970157 02/04/97 02/11/97 0.009
- 0.002 <0.019 .
[ 970294 970294 02/11/97 02/18/97 0.024
- 0.002 <0.020 l 970330- 970330 02/18/97 02/25/97 0.007
- 0.002 <0.028 970367 -970367 02/25/97 03/04/97 0.011
- 0.002 <0.037 L 970392 970392 03/04/97 03/11/97 0.012
- 0.002 <0.023 970420 970420 03/11/97 03/18/97 0.016
- 0.002 <0.020
( 970453 970453 03/18/97 03/25/97 0.019
- 0.002 <0.022 970502 970502 03/25/97 04/01/97 . 0.011 0.002'i <0.023 970536 970576 04/01/97 04/08/97 ' O.~011
- 0.002 <0.033 l' 970576 970576 04/03/97 04/15/97 0.018
- 0.002- <0.026 970601 970601 04/15/97 04/22/97 0.026
- 0.003 <0.024 970646 970646 04/22/97 04/29/97 0.012 0.002 <0.022
- 970675 970675 04/29/97 05/06/97 0.014
- 0.002 <0.031 L 970708 970708 05,/06/97 05/13/97 0.016
- 0.002 <0.034 l' 970732 970732 05/13/97 05/20/97 0.012 0 002 <0.03 R
, , 970764 970764 05/20/97. 05/27/97 0.018'
- 0.002 <0.025 970809 970809 05/27/97 06/03/97 0.009
- 0.002 <0.029 L 970824 970824 06/03/97 06/10/97 0.018
- 0.002 <0.022 L 970866 970866 06/10/97 06/17/97 0.013
- 0.002 <0.021 970923 970923 06/17/97 06/24/97 0.024 *.0.002 <0.025
= -
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. Attachment to OCAN049804 Page 66 of104 Table 1.3
' Sampic Type: Air Particulate and Radioiodine Collection Continuous with Weekly Nkar Analysis: Gross Beta (Particulate) and Iodine-131 (Radionodme Cartndge)
Units: pCi/m' Location: 03, North of Site (Indicator) l Particulate Radioiodine L Lab Lab Namiber Start End Date Gross Beta I-131 Number Date Reauirmi LLD => 0.01 0 07 970948 970948 06/24/97 07/01/97 0.013
- 0.002 <0.029 l 970989 970989 07/01/97 07/08/97 0.023
- 0.002 <0.019 l' 971013 971013 07/08/97 07/15/97 0.015
- 0.002 <0.027 971091 971091 07/15/97 07/22/97 0.036
- 0.003 <0.035 971108 971108 07/22/97 07/29/97. 0.035
- 0.003 <0.024 971148 971148 07/29/97- 08/05/97 0.035
- 0.003 <0.021 ;
( 971194 971194 08/05/97 08/12/97 0.021
- 0.002 <0.018 {
971230 971230 08/12/97 08/19/97 0.011
- 0.002 <0.020 j 971284 971284 08/19/97 08/26/97 0.028
- 0.003 <0.035 971310 971310 08/26/97 09/02/97 0.043
- 0.003 <0.030 l
971335 971335 09/02/97. 09/09/97 0.034
- 0.003 <0.024 971377 971377 09/09/97 09/16/97 ,0.014
- 0.002' <0.018 971397 971397 09/16/97 . 09/23/97 0.027
- 0.003 <0.028 971441 971441 09/23/97 09/30/97 0.004
- 0.002 <0.021 971472 971472 09/30/97 ~ 10/07/97 0.031
- 0.003 <0.023 971534 971534 10/07/97 10/14/97 0.022
- 0.002 <0.022 971569 971569 10/14/97- 10/21/97 0.027
- 0.002 ' <0.020 971617 971617 10/21/97 10/28/97 0.025
- 0.002 <0.022 971646' 971646 10/28/97 11/04/97 0.019
- 0.002 <0.030 971677 971677 11/04/97 -11/11/97- 0.024
- 0.002 <0.022 971697 971697 11/11/97 11/18/97 0.018
- 0.002 <0.022 l
'971734 971734 11/18/97 11/25/97 0.053
- 0.003 <0.026 971784. 971784 11/25/97 12/02/97 0.020
- 0.002 <0.028 971812 971812 12/02/97 12/09/97 0.026
- 0.006 <0.059 971842 971842 12/09/97 12/16/97 0.012
- 0.002 <0.018 971881 971881 12/16/97 12/23/97 0,025
- 0.002 <0.022 971906 971906 12/23/97 12/30/97 0.009
- 0.002 <0.023 5
M
\
Attachment to OCAN049804 Page 67 of104 Table 1.4 Sample Type: Air Particulate and Radioiod}ne Cahiaa: Continuous with Weekly Exchange
- ]'
Analysis: Gross Beta (Particulate) and lodme-131 (Radionodme Cartridge) -
- Units
- pCi/m' Location: 04, May Cry (Indicator)
Particulate .Radiciodine _
I Lab. Lab Start End Date Gross Beta I-131 Number Number Date a Reauired LLD => 0 0). 0.67 970063 970063 12/31/ % 01/07/97 0.007
- 0.002 <0.021 970123 970123 01/07/97 01/14/97 0.009
- 0.002 <0.029 970140 970140 01/14/97 01/21/97 0.015 0.002 <0.020 970188 970188 01/21/97 01/28/97 0.010
- 0.002 <0.023 l
-970222 970222 01/28/97 02/04/97 0.023
- 0.002 <0.017 970258 970258. 02/04/97 02/11/97 0.013
- 0.002 <0.020 i 970295 970295 02/11/97 02/18/97 0.011
- 0.002 <0.017 970331 970331 02/18/97 02/25/97 0.005
- 0.002 <0.024 970368 970368 02/25/97 03/04/97 0.012
- 0.002 <0.027 970393 970393 03/04/97 03/11/97 0.008
- 0.002 <0.020
'970421 970421 03/11/97 03/18/97 0.014
- 0.002 <0.016 970454 970454 03/18/97 03/25/97 0.012
- 0.002 <0.021 970503 970503 03/25/97 04/01/97 0.010
- 0.002 <0.020 l 970537 970537 04/01/97 04/08/97 0.005
- 0.002 <0.031 970577 970577 04/08/97 04/15/97 0.013
- 0.002 <0.022 970602 970602 04/15/97 04/22/97 0.012
- 0.002 <0.019 1 970647 970647 04/22/97 04/29/97 . . .n 0 + 0.002 <0.018 970676 970676' 04/29/97 05/06/97 0.006
- 0.002 <0.027 970709 970709 05/06/97 05/13/97 0.017
- 0.002 <0.037 970733 970733 05/13/97 05/20/97 0.014 0.002 <0.034 970765 970765. 05/20/97 05/27/97 0.014 0.002 <0.037 970810 970810 05/27/97- 06/03/97 0.005
- 0.002 <0.027 970825 970825 06/03/97 06/10/97 0.014
- 0.002 <0.021 970867- 970867 06/l'/97 0 06/17/97 0.009
- 0.002 <0.023
- 970924 970924 06/17/97 06/24/97 0.012
- 0.002 <0.028
D ,
Attachment to OCAN049804 Page 68 cf104 Table 1.4 Sampic Type: Air Particulate and Radionodme Collection Continuous with Weekly Exchange
- Analysis: Gross Beta (Particulate) and Iodme-131 (Radionodme Cartndge)
Units: pCi/m' Location: 04, May Cemetery (Indicator)
Particulate Radioiodine Lab Lab- Start End Date Gross Beta I-131 Number ' Number Date 1
Reauirest MA + 0.01 0.07 9/0949 970949 06/24/97 07/01/97 0.015
- 0.002 <0.031 9709N 970990 07/01/97 07/08/97 0.012 0.002 <0.016 971014
- 971014a 07/08/97 07/15/97 0.015
- 0.004 <0.043 971092 971092 07/15/97 07/22/97 0.022
- 0.002 <0.027 971109 971109 07/22/97 07/29/97 0.013
- 0.002 <0.016 971149 971149 07/29/97 08/05/97 0.013
- 0.002 <0.018
-971195 971195 08/05/97 08/12/97 0.009
- 0.002 <0.016 971231 971231 08/12/97 08/19/97 0.010
- 0.002 <0.019 971285 971285 08/19/97 08/26/97 0.025
- 0.002 <0.035 971311' 971311 08/26/97 09/02/97 0.027 0.002 <0.028 971336 971336 09/02/97 09/09/97 0.022
- 0.002 <0.020 971378 971378 09/09/97 09/16/97 0.020
- 0.002 <0.019 971398 971398 09/16/97 09/23/97 0.015
- 0.002 <0.019 971442 971442 09/23/97 09/30/97 0.014
- 0.002 <0.018
.971473 971473 09/30/97 10/07/97 0.033
- 0.003 <0.019 971535 971535 10/07/97 10/14/97 0.020
- 0.002 <0.016 971570 971570 10/14/97 10/21/97 0.012
- 0.002 <0.016 971618 971618 10/21/97 10/28/97 0.015
- 0.002 <0.016 971647 971647 10/28/97 11/04/97 0.007
- 0.002 <0.026 971678 971678 11/04/97 11/11/97 0.015
- 0.002 <0.016 971698 971698 11/11/97 11/18/97 0.018
- 0.002 <0.021 971735 971735 11/18/97 11/25/97 0.041
- 0.003 <0.029 971785 971785 11/25/97 12/02/97 0.023
- 0.002 <0.020 971813 971813 12/02/97 12/09/97 0.024
- 0.002 <0.025 971843 971843 12/09/97 12/16/97 0.019
- 0.002 <0.023 971882 971882 12/16/97 12/23/97 0.019
- 0.002 <0.018 971907' 971907 12/23/97 12/30/97 0.011
- 0 7 '2 <0.028 See Sample Deviations on Page 59 of this report.
\
Attachment to OCAN049804 Pago 69 of104 Table 1.5 Sample Type: Air Particulate and Radioiodine CoHachnn Contunsous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radioiodine Cartridge) .
l - Units: pCi/m8 '
l Location: 06, Local OfEce (Control)_ ,
Particulate Radioiodine
. Lab Lab Start End Date Gross Beta I-131
' Number Nussber Date 1 l
l Reauire1 LLD + 0.01 0.07 970064 970064 12/31/96 01/07/97 0.018
- 0.002 <0.020 970124 970124 01/07/97 01/14/97 0.026
- 0.002 <0.027 970141 970141 01/14/97. 01/21/97. 0.027.* 0.002 <0.022 l 970189 970189 01/21/97 01/28/97 0.023
- 0.002 <0.023 l 970223 970223 01/28/97- 02/04/97 0.027
- 0.003 <0.025 970259 -970259 0404/97 02/11/97 0.015
- 0.002 <0.024 9702 % 9702 % 02/11/97 02/18/97 0.026
- 0.002 <0.022 970332 970332 02/18/97 02/25/97 0.010
- 0.002 <0.023 970369 970369 02/25/97 03/04/97 0.014.* 0.002 <0.030 970394 970394 03/04/97 03/11/97 0.016
- 0.002 <0.023 970422 970422 03/11/97 03/18/97 0.017
- 0.002 <0.021 -
970455 970455 03/18/97 03/25/97 0.015
- 0.002 <0.020 970504 970504 03/25/97 04/01/97 0.012
- 0.002 <0.024
- l. 970538 970538 04/01/97 04/08/97 0.012
- 0.002 <0.029 l 970578 970578 04/08/97 04/15/97 0.021
- 0.002 <0.019 970603 970603 04/15/97 04/22/97 0.020
- 0.002 <0.021 970648 970648 04/22/97 04/29/97 0.015
- 0.002 <0.027 l 970677 970677 04/29/97 05/06/97 0.016
- 0.002 <0.033 970710 970710 05/06/97 05/13/97 0.017 0.002 <0.027 970734 970734 05/13/97 05/20/97 0.013
- 0.002 <0.033
.970766 970766 05/20/97 05/27/97 0.014
- 0.002 <0.028 970811- 970811 05/27/97 06/03/97 0.014
- 0.002 <0.025 l
970826' 970826 06/03/97 06/10/97 0.018'* 0.002 <0.020 970868' 970868 06/10/97 06/17/97 0.015
- 0.002 <0.027 970925 -970925 06/17/97- 06/24/97 0.026
- 0.003 <0.027 I
l.
j
Attachment ts OCAN049804
' Page 70 of104 Table 1.5 Sample Type: Air Particulate and Radionodine CdW Continuous with Weekly Fv4=aga Analysis: Gross Beta (Particulate) and Iodine-131 (Radioiodine Cartridge)
Units: pCi/m
I Location: 06, Local Office (Control) l Particulate Radioiodine Lab ' Lab Stan End Date Gross Beta I-131 Number Number Date Reauirei LLD + 0.01 0.07 970950 970950 06/24/97 07/01/97 0.019
- 0.002 <0.029 ;
97(")91 970991 07/01/97 07/08/97 0.022 0.002 <0.022 l l - 971015 971015 07/08/97 - 07/15/97 0.015
- 0.002 <0.023 971093 971093 07/15/97 07/22/97 0.035
- 0.003 <0.024 971110 971110 07/22/97 07/29/97 0.025
- 0.002 <0.014 971150 971150 07/29/97 08/05/97 0.0',8 0.002 <0.019 9711 % 9711 % 08/05/97 08/12/97 0.021
- 0.002 <0.018 i
971232 971232 08/12/97 '08/19/97 0.016
- 0.002 <0.016 971286 971286 08/19/97 08/26/97 0.028
- 0.002 <0.039 971312 971312 08/26/97 09/02/97 0.043
- 0.003 <0.029 971337 971337 09/02/97 09/09/97 0.024
- 0.002 <0.020 971379 971379 09/09/97 09/16/97- 0.040 0.003 <0.023 971399 971399 09/16/97 09/23/97 0.022
- 0.002 <0.016 971443 971443 09/23/97 09/30/97 ' O.021 0.002 <0.016 l 971474 971474 09/30/97 10/07/97 0.027
- 0.002 <0.015 l 971536 971536 10/07/97 10/14/97 0.024
- 0.002 <0.022 ]
971571 971571 10/14/97 10/21/97 0.027
- 0.003 <0.024 i 971619 971619 10/21/97 10/28/97 0.022
- 0.002 <0.028 I 971648 971648 10/28/97 11/04/97 0.016
- 0.002 <0.024 I 971679 971679 11/04/97 11/11/97 0.026
- 0.002 <0.018 971699 971699 11/11/97 11/18/97 0.023
- 0.002 - <0.020 971736 971736 11/18/97 11/25/97 0.059
- 0.003 <0.025 971786 971786 11/25/97 12/02/97 0.027
- 0.002 <0.025 971814 971814 12/02/97 12/09/97 0.025
- 0.002 <0.020 -
l 971844 971844' 12/09/97 12/16/97 0.024
- 0.003 <0.022 971883 971883 12/16/97 12/23/97- 0.045 0.003 <0.028 971908 971908 12/23/97 12/30/97 0.018
- 0.002 <0.027 G
/
- Attachment to OCAN049804 Page 71 Cf104 Table 1.6 Sample Type: Air Particulate and Radioiodine CdWJ C*ms with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (PWine Cartridge)
Units: pCi/m' Location: 07, Danville (Control)
Particulate Radioiodine Lab Lab Start End Date Grou Beta I-131 Nuraber Number ' Date
. Egauirel LLD + 0 01, 0.07 970065 970065 12/31/96 01/07/97 0.018 0.'002 <0.023 970125 970125 01/07/97- 01/14/97 0.027 0.003 <0.031 ,
970142. 970142 01/14/97 01/21/97 0.020
- 0.002 <0.018 970190 970190 01/21/97 ~ 01/28/97- 0.026
- 0.002 <0.020 970224 970224 01/28/97 02/04/97 0.027
- 0.002 <0.019 970260 970260 02/04/97 .02/11/97 0.020
- 0.002 <0.019 970297 970297 02/11/97 02/18/97 0.025
- 0.002 <0.026 l 970333 970333 02/18/97 02/25/97 0.009
- 0.002 <0.023 970370 970370 02/25/97 03/04/97 0.012 0.002 <0.024 l 970395 970395 03/04/97 '03/11/97 0.019
- 0.002 <0.022 970423 970423 03/11/97 03/18/97 0.014
- 0.002 <0.019 970456 970456 03/18/97 03/25/97 0.016
- 0.002 <0.022 970505 970505 03/25/97 04/01/97 0.011 0.002 <0.021 970339 970539- 04/01/97 04/08/97 0.013
- 0.002 <0.032 970579 970579 04/08/97 04/15/97 0.018
- 0.002 <0.021 970604 970604 04/15/97 04/22/97 0.026 0.002 <0.19 970649 970649 04/22/97 04/29/97 0.014
- 0.002 4 4 970678 970678 04/29/97 05/06/97 0.020
- 0.002 <0.032 970711 970711 05/06/97 05/13/97 0.020 0.002 <0.038 970735 970735 05/13/97 05/20/97 0.021
- 0.002 <0.030 l- 970767 970767 05/20/97 05/27/97 0.020
- 0.002 <0.026 l '970812 970812 05/27/97 06/03/97 0.018
- 0.002 <0.030 970827 970827 06/03/97 06/10/97 0.020
- 0.002 <0.020 .
970869 .970869 06/10/97 06/17/97 0.018 0.002 <0.037 I 970926 970926 06/17/97 06/24/97 0.026
- 0.002 <0.028 I
i j
t i !
1
t-
. Attachment to l OCAN049804 Page 72 of104 Table 1.6 Sample Type: Air Particulate and Radiciodine Collection Continuous with Weekly Nh=y Analysis: Gross Beta (Particulate) and Iodine-131 (Radioiodine Cartndge)
! Units: pCi/m' Location: 07, Danville (Control).
Particulate Radioiodine
- Imb Lab Start End Date Gross Beta T nl Number Number Date +
l Reauirei LLD + 0.01 .,
970951 970951 06/24/97 07/01/97 0.021
- 0.002 <0.027 L 970992 970992 07/01/97 07/08/97 0.019
- 0.002 <0.023 971016 971016 07/08/97 07/15/97 0.020
- 0.002 <0.028 97.1094 971094 07/15/97 07/22/97 0.027
- 0.002 <0.029 l 971111 971111 07/22/97 07/29/97 0.028
- 0.003 <0.023 i 971151 971151 07/29/97 08/05/97 0.021
- 0.002 <0.017 ,
971197 971197 08/05/97 08/12/97 0.019
- 0.002 <0.014 l
-971233' 971233 08/12/97 '08/19/97 0.011 0.002 <0.021 1
.971287 971287 08/19/97 08/26/97. 0.027
- 0.002 <0.031 l 971313 '9713131 08/26/97 09/02/97 0.034
- 0.003 <0.024 i 971338 971338 09/02/97 09/09/97 0.025 A 0.003 <0.021 '
! 971380 971380 09/09/97 09/16/97 0.034- 0.003 <0.021
( 971400 971400 09/16/97 09/23/97 0.028 0.002 <0.022 971444' 971444- 09/23/97 09/30/97 0.020
- 0.002 <0.023 l , 971475 971475 09/30/97 10/07/97 0.038
- 0.003 <0.016 971537 971537 10/07/97 10/14/97 0.021
- 0.002 <0.022 971572 971572 10/14/97 10/21/97 0.025
- 0.002 <0.020 971620 971620 10/21/97 10/28/97 0.017
- 0.002 <0.018 971649 971649 10/28/97 11/04/97 0.015
- 0.002 <0.029 i
971680 971680 11/04/97 11/11/97 0.027
- 0.002 <0.014 I
971700 971700 11/11/97 11/18/97 0.019
- 0.002 <0.025 971737 971737 11/18/97 11/25/97 0.041 0.003 <0.026
! 971787 971787 11/25/97 12/02/97 0.025
- 0.002 <0.031 971815 971815 12/02/97 12/09/97 0.017
- 0.002 <0.019
'971845 '971845 12/09/97 12/16/97 0.022
- 0.002 <0.021 971884 .971884 12/16/97 12/23/97 0.029
- 0.003 <0.032 971909 971909 12/23/97 12/30/97 0.013
- 0.002 <0.031 l
t i
t
Attachment to -
OCAN049804 Page 73 of104.
Table 1.7 .
SampicType: AirParticulate Can~h- Quanctly Composites ofWeekly Samples Analysis: Gamma Units: pCi/m' Quadedy l Location Lab ' Composite Cs-134 Cs-137 l Number .
Reauired LLD + 0.01 0.01 l
01, Met Tower (Indicator) 970567 1ST <0.003 <0.003 01, Met Tower (Indic4 tor) 971065 2ND <0.002 <0.002 01, Met Tower (Indicator) 971504 3RD <0.002 <0.001 01, Met Tower (Indicator) 971930 4TH <0.002 <0.001 02, Southwest of Site (Indicator) 970568 1ST <0.003 <0.002 02, Southwest of Site (Indicator) 971066'- 2ND <0.002 .<0.002 02, Southwest of Site (Indicator) 971505 3RD <0.002 <0.001 02, Southwest of Site (Indicator) 971931 4TH <0.002 <0.002 03, North of Site (Indicator) 970569 1ST <0.002 <0.001 l 03, North of Site (Indicator) 971067 2ND <0.002 <0.001 l
03, North of Site (InJicator) 971506 3RD <0.001 <0.002 ;
03, North of Site (Indicator) 971932 4TH <0.002 <0.001 04,May Cemetery (Indicator) 970S70 IST <0.002 <0.002 l l 04, May Cemetery (Indicator) 971068 2ND <0.002 <0.002 l 04, May Cemetery (Indicator) 971507 3RD <0.001 <0.002 l 04, May Cemetery (Indicator) 971933 4TH <0.002 - <0.001 06, Local Office (Control) 970571, 1ST <0.001 <0.002 l 06, Local Office (Control) 971069 2ND <0.002 <0.002 06, Local Omce (Control) 971508 3RD <0.002 <0.001 06, Local Omce (Control) 971934 4TH <0.002 .<0.002 f 07, Danville (Control) 970572 IST <0.001 <0.002 l 07, Danville (Control) 971070 2ND <0.002 <0.001 l 07, Danville (Control) 971509 3RD <0.002 <0.002 i- 07, Danville (Control) . 971935 4TH <0.002 <0.002 i
l I ,
i Attachment ts 0CAN049804 l
Page 74 of104 Table 2.1
' Sampic Type: Mak(ADH Split)
CdW: MonthlyGrab '
Analysis: Iodine-131 and Gamma 4 Units: pCi/l Location: 19, Arkansas Tech (Control) *
{
l Lab Number . Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140
{
1 Re mired LLD =) Lg 15 18 15 15 970052 01/07/97 <0.86 - <3.75 <4.06 <14.3 <5.69 970226 02/04/97 <0.70 <3.42 <4.26 <14.8 <4.91 j 970362 03/04/97 <0.89 <3.06 <3.41 <15.0 <5.06 970508 04/01/97 <0.87 <3.06 <3.40 <14.4 <4.72 1 970637 04/29/97 <0.85 <3.61 <4.23 <14.4 <5.08 )
970737 05/27/97 <0.89 <4.37 <4.28 <14.6 <4.56 970901 06/24/97 <0.89 <4.08 <4.58 <l 5.0 <4.40 971087 07/22/97 <0.89 <3.98 <4.34 <12.7 <5.22 971226 08/19/97 <0.85 <3.58 <3.91 <14.9 - <3.82 971369 09/16/97 <0.88 <3.91 <4.04 <14.1 <4.64 971521 10/14/97 <0.90 <3.50 <4.01 <12.2 <4.43 971658 11/10/97 <0.90 <3.89 <4.15 <14.7 <5.22 971817 12/09/97 <0.86 <4.19 <4.06 <14.3 <4.80 l
)
i I
Arkansas Department of Health collects and splits sample with ANO. )
l m_._______.-__._.____._ . _ _ _
Attachment to 0CAN049804 Page 75 of104 Table 2.2 Sample Type: Milk Collectiorr MonthlyGrab Analysis: Iodine-131 and Gamma l Units: pCi/l Location: 37, Steuber Dairy (Control)
Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 Required LLD -> 1.0 15 18 15 15 970053 01/07/97 <0.89 <3.32 <4.42 <14.8 <6.63 970184 01/29/97 <0.86 <2.79 <3.41 <14.7 <3.76 970326 02/26/97 <0.88 <5.34 <5.66 <13.2 <4.90 970468 03/27/97 <0.90 <3.39 <4.73 <14.9 <4.75 970622 04/23/97 <0.89 <3.15 <3.24 <14.0 <5.08 970721 05/22/97 <0.89 <3.04 <3.46 <14.1 <3.40 970862 06/19/97 <0.89 <3.58 <4.32 <14.9 <4.48 971009 07/17/97 <0.89 <4.02 <4.06 <14.8 <4.48 971190 08/13/97 <0.87 <5.20 <4.58 <l 5.0 <4.46 971331 09/10/97 <0.66 <5.39 <5.45 <13.9 <6.00 971641 11/05/97 <0.71 <4.88 <4.31 <14.4 <5.04 971772 12/03/97 <0.84 <3.68 <3.72 <12.1 <4.12
- See Sample Deviations on Page 59 of this report.
Attachment to OCAN049804 Page 76cf104 Table 2.3 Sampic Type: MHk Collection MonthlyGrab Analysis: Iodine-131 and Gamma Units: pCi/l Location: 49, Rylee Dairy (Control) l Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 Renuired LLD 4 L0 M M M M 970054 01/07/97 <0.89 <3.44 <4.39 <14.8 <4.30 f 970198 01/30/97 <0.85 <2.53 <3.41 <13.5 <4.59 I 970327 02/25/97 <0.89 <4.28 <4.95 <14.6 <3.47 970469 03/27/97 <0.88 <2.59 <3.20 <13.3 <3.90 I
A 1
See Sample Relocations on Page 59 of this report.
l
= At*=chment to - )
OCAN049804 I Pagi77 cf104 j
Table 2.4 - 1
- Sample Type: Milk (ADH Solit)
(- Collection: . Monthly Grab Analysis:' Iodine-131 and Comma 4 l'
Units: pCi/l 1
Location: 50, Ragsdale Dairy (Control)
- l Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 Renuired LLD -> J& M M M M 970055 01/07/97 <0.84 <3.46 <3.57 <14.5 .<3.99 970227- 02/04/97 <0.90 <3.% <4.42 <14.7 <5.25 970363 03/04/97 <0.82 <4.08 <3.95 <15.0 <5.64 970509 04/01/97 <0.89 <3.39 <3.62 <14.6 <4.14 l 970638 04/29/97 <0.87 <3.44 - <3.64 <13.2 <4.04 970738 05/27/97 <0.81 <3.51 <4.22 <13.4 <4.21 970902- 06/24/97 <0.78 <4.44 <4.84 <14.9 <5.16
! 971088 07/22/97 <0.85 ' <4.45 <5.22 <14.9 <4.57 971227 08/19/97 <0.84 <3.56 <4.16 <14.8 <3.32 '
971370 09/16/97 <0.89 <4.16 <3.97 <14.9 <3.82
- l. 971522 10/14/97 <0.72 <4.43 <4.70 <14.9 <5.68 ,
l 971659 11/10/97 <0.88 <4.27 <4.70 <14.4 <4.61 971818 12/09/97 <0.90 <3.% <3.50 <14.3 ' <3.67 .l l l l
y l )
1 Arkansas Department of Health collects and splits sample with ANO. .
l 1
_.__-____-.___-_____A
Attachment to OCAN049804 Page 78 of104 ,
Table 2.5 ,
Sampic Type: Milk CdMw MonthlyGrab Analysis: Iodme-131 and Gamma Units: pCi/l Location: 52, Collies Dairy (Control)
- Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 Renuired LLD + J,& J,1 18 J,1 J,1 970639 04/29/97 <0.85 <4.12 <4.16 <14.9 <5.37 970722 05/23/97 <0.89 <4.28 <4.19 <14.9 <4.81 970863 06/19/97 <0.87 <3.46 <4.04 <l 5.0 <4.80 4
)
971010 07/17/97 <0.87 <3.12 <3.72 <14.2 <4.54 971191 08/13/97 <0.68 <4.13 <5.09 <13.5 <4.48 971332- 09/10/97 . <0.79 <4.95 <5.78 <14.5 <4.55 971642 11/05/97 <0.89 <4.75 <4.41 <14.8 <4.67 971808 12/05/97 <0.89 <3.12 <3.28 <13.7 <3.63 ;
l 1
1 l See Sample Relocations on Page 59 of this report. )
- See Sample Deviations on Page 59 of this report. I 1 i e
B < < < < < < < < < < < < <
7 3 4 1 1 3871 91 1 355 1
s
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I
! Attachment to
! OCAN049804 '
Page 80sf104 l
Table 3.2 SampleType: DrinkinaWater Collection- Quarterly Composite of Monthly Samples Analysis: Tritium Units: pCi/l Location: 14, City of Russellville (Indicator) l-Lab Number Stad Date End Date H-3 Reauired LLD4 2000 -
1 I
970364 01/10/97 03/05/97 <458 970904 04/04/97 06/25/97 319
- 198
-971374 07/22/97 09/16/97 <472 971828 10/14/97 12/11/97 351
- 217 i
l l
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Attachment to 0CAN049804 Page 83 of104 Table 4.3 Sample Type: Surface Water Collection: Quarterly Composite of Monthly Samples Analysis: Tritium Units: pCi/l Location Lab Begin Date End Date H-3 Number Reauired LLD -> 2000 08, Discharge Bay (Indicator) 970479 12/31/97 03/31/97 478
- 206 08, Discharge Bay (Indicator) 970941 03/31/97 06/30/97 877 215 08, Discharge Bay (Indicator) 971434 06/30/97 09/30/97 590 215 08, Discharge Bay (Indicator) 971911 09/30/97 12/31/97 1166
- 239 10, Intake Canal (Control) 970480 12/31/97 03/31/97 1946
- 245 10, Intake Canal (Control) 970942 03/31/97 06/30/97 2324
- 251 10, Intake Canal (ContrcI) 971435 06/30/97 09/30/97 2179 255 10, Intake Canal (Control) 971912 09/30/97 12/31/97 523
- 222 L
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Attachmen*, so 0CAN049804 j
Page 88 of104 i Table 8.1 SampleType: Venetation Collection AtTimeofHarvest Analysis: Iodine-131 and Gamma Units: pCi/kg Location Lab Collection Date I-131 Cs-134 Cs-137 Number Reauired LLD 10 sh 80
+
13, Matwood Road 970797 06/04/97 <26.2 <34.6 <41.2 (Indicator) l 13, Matwood Road .
970977 07/03/97 <54.7 <24.1 <30.6 (Indicator) 13, Matwood Road 971170 08/07/97 <57.6 <39.9 <44.8 .
(Indicator) '
13, Matwood Road 971188* 08/07/97 <38.8 <31.7 <29.6 (Indicator) 45, Intake Canal 970798 06/04/97 <26.4 <31.9 <25.1 (Indicator) 45, Intake Canal 970978 07/03D7 <29.7 <27.1 <30.5 (Indicator) 45, Intake Canal 971171 08/07/97 <59.5 <36.2 <50.7 (Indicator) 45, Intake Canal 971189* 08/07/97 <41.9 <36.3 <42.5 (Indicator) l
- Duplicate sample. !
l l
L_____-___-______-
Attachment to OCAN049804 Page 89 of104 Table 9.1 Sample Type: Food Products Collection: At Tune of Harvest Analysis: Iodme-131 and Gamma Units: pCi/kg -
l Location Lab Couection Date I-131 Cs-134 Cs-137 Num% r _
Reauired LLD 60 60 80
=)
48, Cochran Residence 970852 06/17/96 <43.6 <47.2 <27.3 (Indicator) .
970853 06/17/97 <17.0 <13.9 <13.9 970854 06/17/97 <19.9 <17.3 <11.7 51, Rye Residence (Indicator) 970855 06/17/96 <3 8.9 <11.6 <39.4 970856 06/17/97 <19.5 <17.3 <14.3 970857 06/17/97 <17.4 <17.8 <11.6 108, Shivers Residence 970858 06/17/96 <44.2 <37.7 <16.8 (Indicator) 970859 06/17/97 < 14.4 <17.7 <19.6 970860 06/17/97 <22.4 <27.4 <32.2 971008 07/17/97 <21.2 <l 5.8 <13.6 I
4 i
u
Attachment ts 0CAN049804 Page 90 of104 Table 10.1 Sampic Type: Thermoluminescent Dosimeters Collection- Quarterly Analysis: Direct Dose Units: mrem /Qtr Location: 0 - 2 MILE TLDs (Indicators) psatatiemgr K3nitQar375 22nd9erMi! 43sdW'97;i imQsr%f Amamal MenmW4 l- ]
1 8.0 9.0 10.0 7.0 l 8.5 l 2
l 8.0 9.0 10.0 7.0 l 8.5 l l 3 6.0 7.0 6.0 6.0 l 6.3 l I 4 5.0 7.0 8.0 6.0 l 6.5 l 108 7.0 8.0 9.0 7.0 l 7.8 l 109 8.0 10.0 8.0 7.0 l 8.3 l !
110 7.0 9.0 8.0 6.0 l 7.5 l 113 7.0 6.0 6.0 l 6.3 l 114** 9.0 9.0 12.0 6.0 l 9.0 l 115 7.0 8.0 11.0 6.0 l 8.0 l 116 7.0 8.0 10.0 7.0 8.0 M4WNWSii$$ s@ Nhd65$!#Mii$ M
?!i% 24h 4M948JMVf >$hi EnEANM! sQllj!!!7.%% 18 inNY$S E fjf9M d fi @%
- L%sS.Sfs wwm eqw!
i 4 + is,.s rd: asw%@i,a E!W: 441 t99Wmmdi
% 0, r "::vF: 1 Wi%
O, w mil 1
.9h!w iyL. :~' d i5W:s:' *, s - #
See Sample Deviations on Page 58 of this report.
i
" Locction with highest annual mean within the 0 - 2 asile range.
l l
l' l
t l
l l
1
Attachment ta OCAN049804 I Page 91 cf104' )
i Table 10.2 Sample Type: Thermoluminescent Dosimeters Collection: Quarterly i Analysis: Direct Dose Units: mrem /Qtr 1
Location: 2 -5 MILE TLDs (Indicators) l J48talles?!1 %Ist [3NQtr;975 KKQtr;47g PAmaualB4eddi' MW M IhgM!!Qiil!!My e Mg
- y /hA ?3adQt@t%
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Attachment to OCAN049804 Page 92 cf104 Table 10.3 Sampic Type: Thermoluminescent Dosimeters CalMian: Quarterly Analysis: Direct Dose
- Units: mrem /Qtr l Location: >5 MILE TLDs (Controls)
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[ OCAN049804 Page 93 of104
}
Table 11.0 Sample Type: Interlaboratory Comotrisco
- Frequency; Varies Analysis: Varies Sample Type Study Date Analysis Known RBS RBS RBS l (units) Value
- Value N-Dev b N-Range c Air Filter El148125 09/18/97 Beta 108 i 17.3 109 0.17 0.000 (pCi/ filter) E1230-125 12/11/97 Beta 39.0 i 8.7 40.3 0.46 0.272 Charcoal Cartridge E1035-125 04/07/97 I-131 89.0 i 15.4 89.6 0.11 0.106
-(pCi/cartndge) E1052-125 06/19/97 I-131 86 i 14.9 86.0 -0.01 . 0.048 E1149123 09/18/97 I-131 61 i 10.6 63.4 0.67 0.426 E1231-125 12/11/97 I 131 30.0 i 10.4 31.5 0.44 0.384 l
> Water E1032-125 04/07/97 Beta 144 i 37.4 168 1.95 0.438 (pCi/ liter) E1033-125 04/07/97 H-3 3397 i 629 3285 -0.53 0.186 E1034-125 04/07/97 Cr-51 267 i 23.1 264 4.43 1.549 Mn-54 183 i 15.8 190 1.33 0.129 Co-58 72.0 i 8.7 67.8 -1.44 0.851 j d
Fe-59 117 i 10.1 133 4.64 1.313 Co-60 189 i 16.4 191 0.31 0.188 i
Zn-65 170 1 29.4 181 1.09 0.069 Cs-134 152 i 13.2 153 0.30 0.389
' Cs-137 123 i 10.7 123 -0.09 0.288 l Cc-141 171 i 14.8 168 -0.54 0.069 E1036-125 04/07/97 Cr-51 267 i 23.1 264 -0.39 0.841 (duplicate) Mn-54 183 i 15.8 188 1.01 0.129 Co-58 72 i 8.7 69 -1.03 0.378 Fe-59 117 i 10.1 127 2.% 0.606 l Co-60 189 t 16.4 189 0.06 0.250 Zn-65 170 i 29.4 190 2.04 0.38?.
Cs 134 152 i 13.2 155 0.61 0.233 d
Cs-137 123 i 10.7 134 3.10 0.480 Cc-141 171 i 14.8 173 0.41 0.691
Attachment to OCAN049804 Page 94 of104 i
Table 11.0 Sampic Type: Interlaboratory Comparison Frequency: Varies Analysis: Varies Sample Type Study Date Analysis Known RBS RBS RBS (unlis) Value
- Value N-Dev b N-Range c Water E1049-125 06/19/97 Beta 139 i 16.1 137 -0.19 0.368 (pCi/ liter) E1050-125 06/19/97 H-3 1313 i 575 1317 0.02 0.197 E1051-125 06/19/97 Cr 51 288 i 24.9 272 -1.92 1.436 i Mn-54 123 i 10.7 128 1.50 0.288 Co-58 112 i 9.7 115 1.03 0.105 Fe-59 110 t 9.5 114 1.26 2.148 Co-60 151 i 13.1 155 0.84 0.704 Zn-65 203 i 35.2 224 1.82 0.029 I-131 61.0 i 10.6 64.2 0.90 0.571 Cs-134 118 i 10.2 123 1.37 0.100 Cs-137 167 i 14.5 181 2.83 0.212 Cc-141 192 i 16.6 197 0.84 0.369 E1053-125 06/19/97 Cr-51 288 i 24.9 282 -0.68 1.395 (duplict.te) Mn-54 123 i 10.7 132 2.44 0.480 Co-58 112 i 9.7 114 0.62 0.316 Fe-59 110 i 9.5 118 . 2.52 0.215 Co40 151 i 13.1 157 1.30 0.469 Zn45 203 i 35.2 228 2.10 0.145 I-131 61.0 i 10.6 60.0 0.29 0.455 Cs-134 118 i 10.2 121 0.78 0.100 Cs-137 167
- 14.5 182 3.1s d 0.495 Cc-141 192 16.6 193 0.24 0.308
Attachment to OCAN049804 Page 95 of104 Table 11.0 Sample Type: Interlaboratory Comparison Frequency: Varies Analysis: Varies Sample Type Study Date Analysis Known RBS RBS RBS (units) Value
- Value N-Devb N-Rangec Water E1146-125 09/18/97 Cr-51 239 i 20.7 226 -1.84 0.840 (pCi/ liter) Mn-54 69.0 i 8.7 71.0 0.68 0.319 Co-58 47.0 i 8.7 48.0 0.36 0.118 Fe-59 94.01 8.7 102 2.77 1.181 Co-60 155 1 13.4 155 0.00 0.229 Zn-65 154 i 26.7 153 -0.07 0.384 I-131 94.0 i 16.3 %.9 0.54 0.283 Cs-134 80.0 i 8.7 79.0 -0.36 0.177 Cs-137 84.0 t 8.7 85.9 0.65 0.248 Cc-141 60.0 t 8.7 57.8 -0.75 0.520 E1150-125 09/18/97 Cr-51 239 i 20.7 243 0.53 1.730 (duplicate) MM4 ! 69.0 i 8.7 72.4 1.18 0.118 L,o .58 47.0 i 8.7 48.6 0.57 0.461 Fe-59 94.0
- 8.7 102 2.77 1.181 Co-60 155 i 13.4 160 1.04 0.762 Zn-65 154 i 26.7 164 1.16 0.345
.I-131 94.0 i 16.3 94.1 0.02 0.798 Cs-134 80.0 i 8.7 75.5 -1.57 0.390 Cs-137 84.0 i. 8.7 83.5 -0.16 0.449 Ce-141 60.0 i 8.7 54.4 -1.94 0.449
OCAN049804 Page % cf104 Table 11.0 i Sample Type: Interlaboratory Comparison Frequency: Varies
- Analysis
- Varies
! l Saniple Type Study Date Analysis Known RBS RBS RBS '
(units) Value
- Value N-Dev b N-Range c i
l I Water E1228-125 12/11/97 Cr-51 334 i 28.9 336 0.24 1.768 j (pCi/ liter) d l Mn-54 137 i 11.9 149 3.03 0.172 .
- Co-58 89.0 i 8.7 94.9 2.04 0.295 l l l Fe-59 97.0 i 8.7 106 3.12' O.236 I Co40 161 i 13.9 160 0.14 0.220 Zn-65 241i 41.7 257 1.15 0.319 I-131 45.0 i 10.4 48.9 1.12 0.315 Cs-134 171 i 14.8 173 0.34 0.138 Cs-137 177 i 15.3 181 0.91 0.200 Ce-141 167 i 14.5 167 0.07 0.637 E1232-125 12/11/97 Cr-51 334 1 28.9 345 1.11 1.839 (duplicate) Mn-54 137 i 11.9 145 2.11 0.345 Co-58 89.0 i 8.7 95 2.10 0.473 I Fe-59 ' 97.0 i 8.7 - 105 .2.89 0.118 Co 60 161 i 13.9 162 0.22 0.293 Zn-65 2411 41.7 267 1.84 0.221 1-131 45.0 i 10.4 43.5 -0.43 0.354 Cs-134 171 i 14.8 168 -0.68 0.138 Cs-137 177 i 15.3 182 1.04 0.133 Ce-141 167 1 14.5 165 -0.48 0.210 i
i l
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T Attachment to 0CAN049804 Pag)97 of104 l Table 11.0 Sample Type: Interlaboratory Comparison Frequency: Varies Analysis: Varies i
Sample Type Study Date ' Analysis Known RBS RBS RBS (units) Value
- Value N-Dev b N-Range c Sedunent E1147-125 09/18/97 Cr-51 0.709 1 0.061 0.697 0.58 0.236 i
(pCi/ gram) Mn 54 0.206 i 0.017 0.209 0.46 0.118 Co-58 0.141 i 0.012 0.143 0.41 0.591 Fe-59 0.278 i 0.024 0.278 -0.04 0.127 Co-60 0.460 i 0.04 0.455 -0.38 0.051 Zn45 0.458 i 0.08 0.461 0.13 0.141 1
d Cs-134 0.239 i 0.021 0.218 -3.08 0.098
{
Cs1?7 0.377 i 0.033 0.362 1,34 0.031 d
Cc-141 0.178 i 0.015 0.194 3.05 0.265 l
E1229-125 12/11/97 Cr-51 0.491 i 0.043 0.444 3.23' l.299 Mn-54 0.202 i 0.017 0.215 2.31 0.354 Co-58 0.130 i 0.012 0.136 1.49 0.506 i Fe-59 0.142 i 0.012 0.140 -0.41 0.084 Co40 0.237 i 0.021 0.238 0.14 0.148 Zn45 0.355 i 0.062 0.370 0.72 0.164 Cs-134 0.251 i 0.023 0.242 1.24 0.091 Cs 137 0.387 1 0.033 0.380 -0.64 0.342 Cc-141 0.246 1 0.021 0.258 1.73 0.984 i a) The "known" values are listed with a range reflecting control (3 sigma) limits.
L b) The nor-lhed deviation from the "known" value is computed from the deviation and the standard error of the mean; *2.000 is the warning lianit and 3.000 is the control liniit.
c) The normalized range is computed from the snean rante. the control limit, and the standard error of the range; +2.000 is the warning limit and +3.000 is the control limit. .
d) The results reported were out of the controllinaits; refer to the discussion on program exceptions.
L_--_____ - - _ _ _ _ _ _ -
Attachment to 0CAN049804 Pag) 98 of104 Program Exceptions There were eight results outside the control limits (3 sigma) for the 1997 interlaboratory comparison program. Of these eight results, all were analyzed by gamma spectroscopy (six nm, lid:s in two matrices). Five of the results in question were in liquid cross check samples, three in the sediment samples.
There was a single result for Mn-54 in water outside the control limits. Review of the interlaboratory comparison results for the year indicated a high bias for Fe-59 and Cs-137 in water, even though there were only two instances where each were outside the control limits. Investigation of this biac indicated.it was due to coincidence summing effects of Y-88 and Co-60 on the efficiency curve in the affected region. To minimize the coincidence summing effects on the efficiency curve in the energy region in question, two additional nuclides will be added (Mn-54 and Zn-65) to the next set ofliquid calibration sources purchased. The addition of these nuclides to the calibration source should bring the results for the three nuclides in question within established control limits.
Review of the three out of control limit results in the sediment samples did r.at adicate a trend or bias. Given the limited data for sediment cross check samples (4 samples) to date, it was not possible to establish a trend. The three out of control limit results were each for a different nuclide (Cr-51, Cs-134, and Cc-141) No corrective action due to .
these results will be taken at this time. If, after collection of additional data a trend or bias is established, corrective action will be taken at that time.
There is no impact on past data indicated by these program exceptions. Environmental samples we analyzed and reported with a 95% confidence level that the analytical result with its associated error encompasses the "true" value. Ninety-five percent of RBS environmental interlaboratory comparison results are within control limits for accuracy and precision.
L L
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Attachment to OCAN049804 Pag) 99 of104 l
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l ATTACHMENT 2 1997 Radiological Environmental Monitoring Report Statistical Analyses I
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Attachment to OCAN049804 Page 100 of104 >
e Statistical Analyses Calculation of the mean, standard deviation and "t" values are as follows:
Msaa X = Xi / n where: X = Mean ofsample results Xi = Sum ofindividual results n = Number ofsamples 1
Standard Deviation = (#~ )
k n-1 where: Sd = Standard deviation 4
X . = Individual sample result X = Mean ofsample results n = Numberofsamples l "t" Value = (x -y)
'(n, - 1)s ' + (n, - 1)s,' '1
-+- 1
[ ) n, + n, - 2 y n, n, where: t
= Calculated "t" value x = Mean offirst data set y - Mean of second data set nx = Number of variables in first data set
- 'sx = Standard deviation offirst data set ny = Number ofvariables in second data set sy = Standard deviation of second data set L
Statistical Analyses
- Calculated "t" values were compared to tabular "t" values obtained from the CRC Standard Mathematical Tables,26th Edition (1981) test the hypothesis that the true mean of the first population is equal to the true mean of the second population. For purposes of this report, the "t" test was only performed for air samples and TLDs, due to the large sample population elze involved.
- - Samples types other than those presented below were not statistically analyzed,due to L the small population sample sizes.
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1997 Radiological Environmental Monitoring Report ,
Sediment Dose Calculations i
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