ML20206H719
| ML20206H719 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 12/31/1998 |
| From: | ENTERGY OPERATIONS, INC. |
| To: | |
| Shared Package | |
| ML20206H715 | List: |
| References | |
| NUDOCS 9905110298 | |
| Download: ML20206H719 (101) | |
Text
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Attachment to i
OCAN059902 Page 1 of 101
. ARKANSAS NUCLEAR ONE - UNITS 1 AND 2 ANNUAL RADIOLOGICAL ENVIRONMENTAL OPERATING REPORT FOR 1998
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ADOC 313 R
Attachment to 0CAN059902 Page 2 of 101 TABLE OF CONTENTS
SUMMARY
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1.0 INTRODUCTION
11 1.1 Radiological Environmental Monitoring Program Purpose 11 1.2 Pathways Monitored 11 1.3 Program Description 11 1.3.1 Air Particulate and Radiciodine 11 1.3.2 Thermoluminescent Dosimetry 12 1.3.3 Drinting Water, Surface Water and Groundwater 12 1.3.4 Sediment 13 1.3.5 Milk 13 1.3.6 Vegetation and Food Products 14 1.3.7 Fish 14 1.3.8 Land Use Census 14 2.0 INTERPRETATION AND TRENDS OF RESULTS 38 2.1 Air Particulate and Radioiodine Sample Results 38 2.2 Thermoluminescent Dosimetry Sample Results 38 2.3 Milk Sample Results 39 2.4 Water Sampic Results 39 2.5 Vegetation and Food Product Sampic Results 40 2.6 Sediment Sample Results 40 2.7 Fish Sample Results 41 2.8 Land Use Census Results 41 2.9 Interlaboratory Comparison Results 41 P
Attachment to 0CAN059902 Page 3 of 101 3.0 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
49 3.11998 Program Results Summary 49
F Attachment to OCAN059902 Page 4 of 101 LIST OF TABLES TABLE 1.1 SAMPLING STATIONS 16 TABLE 2.1 1998 LAND USE CENSUS 43 TABLE 3.1 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
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Attachment to OCAN059902 Page 5 of 101 LIST OF FIGURES FIGURE 1-1 EXPOSURE PATHWAYS 35 FIGURE 1-2 SAMPLE COLLECTION SITES - NEAR FIELD 36 FIGURE 1-3 SAMPLE COLLECTION SITES - FAR FIELD 37 FIGURE 2-1 TLD RADIATION DOSE 45 FIGURE 2-2 DISCHARGE TRITIUM CONCENTRATIONS 46 FIGURE 2-3 DISCHARGE SEDIMENT 47 FIGURE 2-4 DISCHARGE FISH 48
Attachment to OCAN059902 Page 6 of 101 LIST OF ATTACHMENTS ATTACHMENT 1 1998 RADIOLOGICAL MONITORING REPORT
SUMMARY
OF MONITORING RESULTS 55 ATTACHMENT 2 SEDIMENT DOSE CALCULATIONS 100 l
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OCAN059902 Page 7 of 101
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Summary The Annual Radiological Environmental Operating Report presents data obtained through analyses of environmental samples collected for Arkansas Nuc' ear One's (ANO's)
Radiological Environmern) Monitoring Program (REMP) for the p:riod January 1,1998 through December 31,1998. This report fulfills the requirements of ANO Unit 1 Technical Specification 6.12.2.5 and Unit 2 Technical Specification 6.9A. During 1998, 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:
Tritium levels in the surface water media continue to be 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 1998 levels are less than that of the historical average and also well below regulatory limits.
i Tritium at background levels was detected in the Station 10 intake surface water control location and the Ouita control (Station 33) and Stewart indicator (Station 33) groundwater locations. Levels detected were similar to 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.
Radiolonical Environmental Monitorine Pronram
. Radiation and radioactivity are monitored around ANO within a 22-mile radius. The REMP was established prior to the station becoming operational (1974).
This preoperational program provided data on background radiation and radioactivity that 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 expected to show any increases or buildup of radioactivitv dat might occur due to station operation. Control locations are further from the station a ; 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.
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Attachment to 0CAN059902 Page 8 of 101 l
In 1998, radiological environmental samples were collected and analyzed for radioactivity.
Radionuclide concentrations measured at indicator locations were compared to control
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I 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.
I Harmful Effects or Irreversible Damage No harmful effects or evidence of irreversible damage were detected by ANO monitoring.
j Therefore, no analysis or planned course of action to alleviate problems was necessary.
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Reportine Levels No reporting levels for radioactivity concentration in environmental samples, as outlined in the j
Offsite Dose Calculation Maiual (ODCM) Table 2.6-3, when averaged over any calendar quarter, were equated or exceeded due to ANO effluents during 1998. Therefore, no Radiological Monitoring Special Reports were required.
Radioactivity Not Attributable to ANO Prior to 1981, the ANO REMP detected radioactivity resulting from nuclear weapons testing, with Cesium-137 continuing to be periodically detected in certain pathways. In addition to the weapons testing, the ANO REMP detected radioactivity in May 1986 as a result of the reactor core degradation at the Chernobyl Nuclear Power Plant.
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Comparison to State Program 1
Data from the ANO REMP was compared to the Arkansas Department of Health (ADH) state program as results became available. Radiological monitoring by the ADH entails similar sampling reauirements to the ANO REMP. In many cases air samples and thermoluminescent dosimeten s (TLDs) are collocated, while sample media such as water, milk, fish and sediment are shared or split. When comparing 1998 results from ADH and ANO collocated air sample and TLD locations, both programs are in agreement with each other when comparing indicator and control locations. The only common location where radioactivity attributable to ANO has been detected by both programs is the ANO discharge.
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Attaciunent to OCAN059902 Page 9 of 101 Samnline Deviations During 1998, ANO personnel noted the following deviations:
+ Air Samples A sample was missed at Station #7 during the sampling period of February 10 - 17, 1998
- due to air sampler mechanical failure.
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The lower limit of detection values of 0.01 pCi/m3 for gross beta (air particulate) and 0.07 pCi/m3 for Iodine-131 (radiciodine cartridge) at Station #4 during the sampling period of April 14 - 21,1998 was not met due to air sampler mechanical failure which resulted in a low sample volume.
The lower limit of detection value of 0.01 pCi/m3 for gross beta (air particulate) at Station
- 1 during the sampling period of April 21 - 28, 1998 was not met due to air sampler mechanical failure which resulted in a low sample volume.
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The lower limit of detection values of 0.01 pCi/m3 for gross beta (air particulate) and 0.07
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pCi/m3 for Iodine-131 (radiciodine cartridge) at Station #4 during the sampling period of
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.May 5 - 12,1998 was not met due to air sampler mechanical failure which resulted in a low sample volume.
- These deviations were isolated instances that did not recur during the year and were corrected by ANO personnel once discovered.
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+ TLDs One first quarter TLD (Station 132) and two second quarter TLDs (Stations 112&137) were missing in the field due to vandalism. These losses were isolated instances that did not recur during the year and were replaced with new TLDs by ANO personnel once
' discovered. The 1998 TLD recovery rate was 98% (173 of 176 TLDs).
+ Water ~
Groundwater was not collected at Station 32 (Stewart Residence) on June 23,1998 due to personnel error. Condition Report C-98-0281 was written to document this deficiency.
- Corrective actions to prevent recurrence included a review of management expectations with the Chemistry supervisor and the Chemist involved in this event. In addition, management expectations relative to assumptions, first hand understanding and signatures were reviewed'with all Chemistry supervisors. Procedure 1608.005, Environmental Radiation Monitoring Program, was also reclassified as a Green Binder procedure, which requires a review prior to each use. Long term plans are to:
Attachment to OCAN059902 l
Page 10 of 101 Develop and incorporate guidance into the REMP process to identify minimum required sampling activities and sample collection verification.
Review Condition Report C-98-0281 with Chemists during the Continuing Training cycle.
Sampline Relocation The Arkansas Tech Dairy (Station 19) discontinued milking operations in June 1998 and was replaced by the Harms Dairy (Station 53). The Ragsdale Dairy (Station 50) discontinued milking operations in September 1998 and was replaced by the Cole Dairy (Station 54).
These changes were reflected in the ODCM.
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 TLD samples collected in 1998. 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 1998. Attachment 2 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 Effluentsfor the Purpose of Evaluating Compliance with 10 CFR Part 50, Appendix L"
Attachmsnt to OCAN059902 Page 11 of101 l
1.0 Introduction l
I 1.1 Radiological Environmental Monitoring Program Purpose I
c The radiological environmental monitoring program (REMP) was established to j
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ensure that plant operating controls properly function to minimize any associated l
radiation endangerment to human health or the environment. The gurpos of the j
REMP is-I to measure radiation levels and their variations in environmental media in the area l
surrounding the plant, to determine average levels of radiation and radioactive material in various e
environmental media, I
to detect effects, if any, of ANO operation on the environmental radiation levels j
e and concentrations.
l 1.2 Pathways Monitored l
The airborne, waterborne, ingestion and direct radiation pathways, as seen in Figure 1-1, are monitored as required by ANO Technical Specifications and the ODCM. The REMP includes the sampling program required to meet the above intent. Sample locations used to monitor exposure pathways are described in Table 1.1 and shown in Figures 1-2 and 1-3.
Figures 1-2 and 1-3 show only those sampling locations that were active at the end of 1998. Section 2.0 of this report provides a discussion of 1998 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 Radioiodine ANO Units 1 and 2 ODCM Table 2.6-1 require five air sampler locations for measurement of radioactivity in the airborne exposure pathway. ANO used six continuous air samplers to provide gross beta, gamma and radiciodine 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. 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 located directly downstream. Flows were adjusted to 30 i 3 liters per minute. Filters and cartridges were changed weekly and analyzed for gross beta radionuclides and radioiodine activity, respectively. u. addition, the filters were composited quarterly and analyzed I
for gamma rafonuclides.
Attachment u OCAN059902 Page 12 of 101 1.3.2 Thermoluminescent Dosimetry ANO Units 1 and 2 ODCM Table 2.6-1 require forty TLD locations for measurement of direct radiation doses. ANO menured ambient radiation in the environment surrounding the plant with 44 Tl; s (one lithium borate and three calcium sulfate elements) to provide a quant.tative measurement of the area radiation levels. ANO personnel placed these environmental TLDs at distances from 0.4 to 21.8 miles. Each dosimeter was sealed in a plastic protective holder and suspended above the ground. The dosimeters were collected and analyzed quarterly. The TLD locations may be summarized as follows:
11 stations in the 0 - 2 mile range, e
15 stations in the 2 - 5 mile range, and e
18 stations in the >5 mile range.
1.3.3 Drinking Water, Surface Water and Groundwater ANO Units 1 and 2 ODCM Table 2.6-1 require one drinking water, two surface water and two groundwater locations for the measurement of radioactivity by the waterborne exposure pathway.
I Drinkine water was sampled monthly from an indicator location (intake to Russellville City Water System from Illinois Bayou) at a distance of 5.3 miles.
Water was collected in two one-gallon labeled containers and one 250-milliliter (ml) labeled glass container.
Upon retum from the field, the one-gallon samples were acidified with hydrochloric acid and analyzed for gross beta radionuclides, Iodine-131 and gamma radionuclides.
The 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), that remained on-site as a precautionary measure to replace samples lost during shipment or to verify analytical results.
Surface water was sampled monthly from two locations, an indicator location (discharge) and a control location (intake) at distances from 0.1 to 0.9 miles.
Samples collected for gamma radionuclide 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 labeled composite carboy. At j
the end of the month, a one-gallon sample from each composite carboy was l
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 j
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
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Attachment to l
OCAN059902 '
l Pago 13 of101 tritium. ANO personnel also collected backup samples at each location (one-l gallon container and one 250-ml glass container), that remained on-site as a precautionary measure to replace samples lost during shipment or to verify l
analytical results. All surface water samples were split with the ADH.
Groundwater was sampled quarterly from two locations, the C. Stewart l
Residence (indicator) and Ouita Lake Recreation Area (control), at distances from 0.9 to 3.8 miles. Water was collected from each location in two one-gallon labeled containers and one 250-mllabeled glass container. Upon return l
from the field, the one-gallon samples were acidified with hydrochloric acid and analyzed for gamma radionuclides. The 250-ml sample was analyzed for I
tritiup. ANO personnel also collected backup samples at each location (two one-gallon containers and one 250-ml glass container), that remained on-site as a precautionary measure to replace samples lost during shipment or to verify analytical results.
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1.3.4 Sediment ANO Units 1 and 2 ODCM Table 2.6-1 require two sediment locations for l
measurement of radioactivity by the waterborne exposure pathway. Contract l
personnel collected sediment semiannually from three locations, n indicator (discharge) and two control locations (intake and Piney Creek), at distances l
from 0.1 to 5.9 miles. A minimum of 1.5 liters of sample was collected with a
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i dredge from the top layer of sediment at each location. After foreign objects were discarded, the samples were transferred to labeled containers and then i
analyzed for gamma radionuclides. All sediment samples were split with the ADH.
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1.3.5 Milk ANO Units 1 and 2 ODCM Table 2.6-1 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. Since no indicator locations exist within five miles of ANO, L
four locations were utilized as controls (Arkansas Tech, Steuber, Collins, and Ragsdale). In June 1998, the Arkansas Tech Dairy (Station 19) discontinued i
milking operations and was replaced by the Harms Dairy (Station 53). In L
addition, the Ragsdale Dairy (Station 50) discontinued milking operations in l
September 1998 and was replaced by the Cole Dairy (Station 54).
i, Milk was collected from each location in two one-gallon labeled containers.
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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), that remained i
on-site as a precautionary measure to replace samples lost during shipment or to verify analytical results.
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l Attachment to 0CAN059902 Page 14 of 101 l
1.3.6 Vegetation and Food Products l
ANO Units 1 and 2 ODCM Table 2.6-1 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 (Cochran, Rye and Shivers) at distances of 0.5 l
to 2.6 miles.
l The source of food products was fmits, flowering vegetables, and tubular l
vegetables.
The 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 4
for gamma radionuclides and Iodine-131.
1.3.7 Fish l
1 ANO Units I and 2 ODCM Table 2.6-1 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. All fish samples were split with the ADH.
A sufficient amount was collected from each location to provide a minimum of 1000 grams (wet weight) of eviscerated fish sanple. The samples were then analyzed for gamma radionuclides.
1.3.8 Land Use Census ANO personnel conducted an annual land use census, as required by ANO Units 1 and Unit 2 ODCM Section 2.6.2. The purpose of the census was to identify changes in uses ofland within five miles of ANO that would require modifications to the REMP or ODCM. The most important criteria during the census were to determine location in each sector of the nearest:
- 1) Residence
- 2) Animal milked for human consumption 2
2
- 3) Garden ofgreater than 50 m (500 ft ) producing broadleaf vegetation i
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p Attachmsnt to OCAN059902 Page 15 of 101 The method used by ANO personnel for conducting the land use census was as 4
l follows:
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ANO personnel conducted door-to-door field surveys and aerial surveys in each meteorological sector out to five miles in order to locate the nearest resident, milk animal and garden.
Consultation with local agricultural authorities was used in instances when personal contact could not be made.
j 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 ANO personnel identified locations on the map, measured distances to ANO and recorded results.
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.
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n Attachment to 0CAN059902 Page 16 of101 Table 1.1 Sampling Stations Sample Station Number:
1 Approximate Direction & Distance from Plant:
88 - 0.6 miles Sample Types:
- 1) Airborne radiciodines
- 2) Airborne particulates
- 3) Direct radiation Sample Station Location:
The sample station is near the meteorology tower approximately 0.6 miles east of ANO.
Sample Station Number:
2 Approximate Direction & Distance from Plant:
235 - 0.4 miles Sample Types:
- 1) Airborne radiciodines
- 2) Airborne particulates
- 3) Direct radiation i
Sample Station Location:
If traveling from ANO, THEN g, approximately 0.2 miles west toward Gate 4. Turn lea 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.
If traveling south on Flatwood Road, THEN go approximately 0.25 miles from sample station 109.
Veer leR 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.
Sample Station Number:
3 Approximate Direction & Distance from Plant:
0 - 0.6 miles Sample Types:
- 1) Airborne radiciodines
- 2) Airborne particulates
- 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 ten onto gravel road and go approximately 0.05 miles. The sample station is on the len.
If traveling east on Highway 333, THEN go approximately 0.9 miles from junction of Highway 333 and Flatwood Road. Turn right onto gravel road and go approximately 0.05 miles. The sample station is on the len.
Attachment to 0CAN059902 Page 17 of 101 Table 1.1 Sampling Stations Sample Station Number:
4 Approximate Direction & Distance from Plant:
180 - 0.7 miles Sample Types:
- 1) Airborne radiciodines
- 2) Airborne particulates
- 3) Direct radiation Sample Station Location:
Go approximately 0.25 miles south from bridge ovei 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 Number:
5 Approximate Direction & Distance from. Plant:
298 - 8.2 miles l
Sample Types:
- 1) Direct radiation Samole Station Location:
l 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.
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Sample Station Number:
6 Approximate Direction & Distance from Plant:
111 - 7.0 miles Sample Types:
- 1) Airborne radioiodines
- 2) Airborne particulates
- 3) Direct radiation Samole Station Location:
Go to the AP&L local office which is located off Highway 7T in Russellville, AR (305 South Knoxville Avenue). The sample station is in the southeast corner of the back lot.
Attachment to OCAN059902 Page 18 of 101 Table 1.1 l
Sampling Stations Sample Station Number:
7 Approximate Direction & Distance from Plant:
209 - 19.3 miles Sample Types:
- 1) Airborne radiciodines 1
- 2) Airborne particulates
- 3) Direct radiation Samole Station Location:
Turn west at junction of Highway 7 and Highway 27 in Dardanelle, AR Proceed to junction of Highway 27 and Highway 10 in Danville, AR. Turn right onto Highway 10 and proceed a short distance to the AP&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 Number:
8 Approximate Direction & Distance from Plant:
180 - 0.1 miles Sample Types:
- 1) Surface water (composite)
- 2) Shoreline sediment
- 3) Fish Samole Station Location:
Plant discharge canal.
Sample Station Number:
10 Approximate Direction & Distance from Plant:
95 - 0.9 miles (shoreline: sediment and fish)
(surface water: pant intake structure)
Sample Types:
- 1) Surface water (composite)
- 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.
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Attachment to j
l OCAN059902 i
Page 19 of 101 Table 1.1 i
Sampling Stations Sample Station Number:
13 Approximate Direction & Distance from Plant:
271 - 0.5 miles Sample Types:
- 1) Broadleaf vegetation Sample Station Location:
l If traveling south on Flatwood Road, THEN go approximately 0.2 miles from sample station 109.
L The sample station is on the len.
[
If traveling west from ANO toward gate 4, T_H_E_N go approximately 0.4 miles from ANO. Turn right onto Flatwood Road. Go a short distance. The sample station is on the right.
Sample Station Number:
14 Approximate Direction & Distance from Plant:
70 - 5.3 miles l
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 l
Works Road. The sample station is on the leR at the intake to the Russellville city water system from the Illinois Bayou.
i Sample Station Number:
16 Approximate Direction & Distance from Plant:
290 - 5.9 miles Sample Types:
- 1) Shoreline sediment Sample Station Location:
I From junction of Highway 64 and Highway 359 (Flat Rock-Piney Bay Recreational Area turnoR),
l go approximately 0.7 miles west on Highway 64. The sample station is at the Piney Creek area on Lake Dardanelle.-
i Sample Station Number:
32 l
Approximate Direction & Distance from Plant:
132 - 0.9 miles l
Sample Types:
- 1) Groundwater L
Sample Station Location:
From bridge over intake canal, go south approximately 0.25 miles. Turn leR and go approximately 0.25 miles. Turn leR on Bunker Hill Lane and go approximately 0.05 miles. The sample station is on the right at CliRon Stewart's residence.
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Attachment to 0CAN059902 Page 20 of101 Table 1.1 Sampling Stations Sample Station Number:
33 Approximate Direction & Distance from Pl:ait:
94 - 3.8 miles Sample Types:
- 1) Groundwater Sample Station Location:
From junction of Highwa: 64 and Highway 326 (Lake Front Drive), go approximately 0.3 miles east on Lake Front Drive. The sample station is on the len at the Ouita Lake Recreation Area on the Illinois Bayou.
Sample Station Number:
36 Approximate Direction & Distance from Plant:
140 - 0.05 miles Sample Types:
- 1) Pond water
- 2) Pond sediment
.Sirnal Station Location:
s The sample station is at the Wastewater Holding Pond on the ANO site east of the discharge canal.
Sample Station Number:
37 Approximate Direction & Distance from Plant:
0 - 7.5 miles Sample Types:
- 1) Milk Sample Station Location:
If traveling north on Highway 333, THEN go approxir.iately 3,5 miles from junction of Highway 333 and Mill Creek Road on Highway 333. Turn left and go approximately 0.1 miles. The sample station is on the len at the Lawrence Steuber Dairy.
If traveling from junction of Highway 7 and Highway 333, THEN go approximately 6.0 miles west on Highway 333. Turn right and go approximately 0.1 miles. The sample station is on the left at the Lawrence Steuber Dairy.
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l Attechment to OCAN059902 Page 21 of101 Table 1.1 Sampling Stations Sample Station Number:
38 Approximate Direction & Distance from Plant:
314 - 2.4 miles Sample Types:
- 1) Food products (alternate)
Sample Station Location:
Fron west junction of Highway 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 leR and go approximately 0.1 miles. The sample station is on the lea at the Ronnie Jones residence.
Sample Station Number:
40 Approximate Direction & Distance from Plant-119 - 2.2 miles Sample Types:
- 1) Food products Sample Station Location:
Fromjunction on Highway 64 and Highway 326 (Marina Road), go approximately 2.0 miles on Marina Road. The sample station is on the len at Horace Hollis' residence just prior to curve.
Sample Station Number:
45 Approximate Direction & Distance from Plant:
90 - 0.9 miles Sample Types:
- 1) Broadleaf vegetation Sample Station Location:
The sample station is located near mouth ofintake canal.
Sample Station Number:
48 Approximate Direction & Distance from Plant:
316 - 2.2 miles Sample Types:
1)_ Food products Sampk. Station Location:
R. J. Cochran residence, Highway 64 London West, directly north (across from London Volunteer Fire Department).
Attachment to OCAN059902 Page 22 of 101 Table 1.1 Sampling Stations Sample Station Number:
51 Approximate Direction & Distance from Plant:
48 - 2.6 miles Sample Types:
- 1) Food products Sample Station Location:
Turn north off Highway 64 west onto Mill Creek Road. Go approximately 0.8 miles. Turn 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 Number:
52 Approximate Direction & Distance from Plant:
28 - 12.6 miles 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.
Sample Station Number:
53 Approximate Direction & Distance from Plant:
22 - 7.8 miles Sample Types:
- 1) Milk Samole Station Location:
If traveling north on Highway 333 from London, THEN go approximately 10.5 mi'.es. Harms Dairy is on the nonh (left) side of Highway 333.
If traveling south on Highway 333 from Highway 7 (nodh of Dover), THEN go approximately 3.0 miles. Harms Dairy is on the north (right) side of Highway 333.
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1 Attachment to 0CAN059902 i
Page 23 of101 i
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Table 1.1 Sampling Stations Sample Station Number:
54 Approximate Direction & Distance from Plant:
180 - 10.9 miles j,
Sample Types:
- 1) Milk l
Samole Station Location:
l If traveling south on Highway 7 from Dardantile, THEN turn west on Highway 28. Travel approximately 6.3 miles to Pisgah United Methodist Church (located on south side of Highway -
28). Turn on gravel road (north side of Highway 28) across from Pisgah United Methodist l
Church. Travel approximately 0.8 miles to the end of gravel road. Cole Dairy is located at the l
end of gravel road.
Sample Station Number:
108 Approximate Direction & Distance from Plant:
301 - 0.9 miles Sample Types:
- 1) Direct radiation
- 2) Food products Sample Station Location:
l 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 Number:
109 Approximate Direction & Distance from Plant:
285 - 0.5 miles Sample Types:
- 1) Direct radiation Samole 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 the junction of Flatwood Road and Round Mountain Road.
If traveling west from ANO toward Gate 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.
l
Attachment to -
OCAN059902 Page 24 of101 Table 1.1 Sampling Stations Sample Station Number:
110 j
Approximate Direction & Distance from Plant:
138 - 0.8 miles 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 sample station is on the first utility pole on the left.
Sample Station Number:
t,111 Approximate Direction & Distance from Plant:
121 - 2.2 miles Sample Types:
- 1) Direct radiation i
Sample Station Locatior From junction of Highway 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 Number:
112 Approximate Direction & Distance from Plant:
74* - 2.6 miles Sample Types:
- 1) Direct radiation Sample 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 Number:
113 Approximate Direction & Distance from Plant:
52 - 1.5 miles Sample Types:
- 1) Direct radiation Sample Station Location:
Go to the east junction of Highway 333 and Highway 64. The sample station is on a utility pole on the southwest corner of the junction.
q Attachment to' OCAN059902 Page 25 of 101 Table 1.1 Sampling Stations Sample Station Number:
114 Approximate Direction & Distance from Plant:
31 - 1.3 miles Sample Types:
- 1) Direct radiation Samole Station Location:
If traveling west o.1 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.
l If traveling east on Highway 64, THEN go approximately 1.1 miles from sample station 115. The sample station is on a utility pole on the len.
Sample Station Number:
115 Approximate Direction & Distance from Plant:
344 - 1.4 miles Sample Types:
- 1) Direct radiation Sample Station Location:
If traveling west on Highway 64, THEN go approximately 1.1 miles west of sample station 114.
The sample station 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 len.
Sample Station Number:
116 Approximate Direction & Distance from Plant:
320 - 1.8 miles Sample Types:
- 1) Direct radiation Samole Station Location:
Go one block south of the west junction of Highway 333 and Highway 64 in London, AR. The sample station is on a utility pole north of the railroad tracks.
I i
t
Attachm:nt to 0CAN059902 Page 26 of 101 Table 1.1 Sampling Stations Sample Station Number:
117 Approximate Direction & Distance from Plant:
305* - 17.2 miles 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 ten and proceed west to first stop light. Turn leR onto Cravens Street. The sample station is on a utility pole on the right between the county courthouse 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 a utility pole on the right between the county courthouse and the post office.
Sample Station Number:
118 Approximate Direction & Distance from Plant:
294 - 5.6 miles Sample Types:
- 1) Direct radiation Samole 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 len.
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 Number:
119 Approximate Direction & Distance from Plant:
309 - 4.8 miles Sample Types:
- 1) Direct radiation Samole Station Location:
Turn west from Highway 333 onto Will. Raker 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 len just prior to pavement ending.
g,...
Attachm:nt to OCAN0$9902 Page 27 of101 Table 1.1 Sc;1pling Stations Sample Station Number:
120 Approximate Direction & Distance from Plant:
336 - 4.2 miles 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 of Mill 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 left near Martin Chapel.
Sample Station Number:
121 Approximate Direction & Distance from Plant:
349 - 4.6 miles Sample Types:
- 1) Direct radiation Sample Station I,ocation:
If traveling from I-40. overpass in London, AR, THEN go north 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, IRE] 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 Number:
122 Approximate Direction & Distance from Plant:
18 - 3.3 miles Sample Types:
- 1) Direct radiation _
Sample Stalign.Locatign; If traveling north from junction of Highway 64 and Mill Creek Road, THEN go approximately 2.5 miles. The sample station is on a utility pole on the right.
If traveling southeast on Mill Creek Road, THEE go approximately 1.9 miles from East Point Baptist Church. The sample station is on a utility pole on the left.
Attachmsnt to OCAN059902 Page 28 of101 Table 1.1 Sampling Stations Sampic Station Number:
123 Approximate Direction & Distance from Plant:
46 - 3.5 miles Sample Types:
- 1) Direct radiation Sample Station Location:
Turn north from Pleasant View Road onto Ball Hill Road and go approximately 0.8 miles. The sample station is on a utility pole on the lefi.
Sample Station Number:
124 Approximate Direction & Distance from Plant:
60 - 3.2 miles Sample Types:
- 1) Direct radiation Sample Station L ocation:
If traveling from junction of Highway 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 left on a utility pole which is across from a siren and below a transmission line.
Sample Station Number:
125 Approximate Direction & Distance from Plant:
46 - 9.1 miles Sample Types:
- 1) Direct radiation Sample Station Location:
While traveling nonh on Highway 7, turn left onto Water Street in Dover, AR. Go one block and turn left onto South Elizabeth Street. Go one block and turn right onto College Street. The sample station is on a utility pole at the southeast comer of the red brick school building which is located on top of hill.
f I
Attachment to 0CAN059902 Page 29 of 101 Table 1.1 Sampling Stations i
Sample Station Number:
126 Approximate Direction & Distance from Plant:
81 - 5.5 miles Sample Types:
- 1) Direct radiation Sample Station Location:
The sample station is located on the west side of Highway 7 directly across from Shiloh Road, which is approximately 1.3 miles north of the junction of Highway 7 and Lake Front Drive.
Sample Station Number:
127 Approximate Direction & Distance from Plant:
102 - 5.6 miles Sample Types:
- 1) Direct radiation Sample 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 the left when traveling from ' North Arkansas on West O Street.
j Sampic Station Number:
128 Approximate Direction & Distance from Plant:
113 - 8.6 miles Sample Types:
- 1) Direct radiation Sample Station Location:
The sample station is on a utility pole inside the security fence near the RusselMlle Airport Office.
The airport is located off of East 16th Street and is well marked by airport signs.
Sample Station Number:
129 Approximate Direction & Distance from Plant:
118 - 7.3 miles 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.
i 1
i
Att:chment to 0CAN059902 Page 30 of 101 Table 1.1 4
Sampling Stations Sample Station Number:
130 Approximate Direction & Distance from Plant:
245 - 4.6 miles Sample Types:
- 1) Direct radiation S_ ample Station Location:
At junction of Highway 7 and Highway 22 in Dardanelle, AR, take Highway 22 toward Delaware, 1
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 Sample Station Number:
131 Approximate Direction & Distance from Plant:
244 - 2.4 miles Sample Types:
- 1) Direct radiation Sample 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 crosstie steps in northeast quadrant of circle drive.
Sample Station Number:
132 Approximate Direction & Distance from Plant:
267 - 5.8 miles Sample Types:
- 1) Direct radiation Sample Station Location:
Turn 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 pole on the right.
Attachment to OCAN059902 Page 31 of 101 Table 1.1 l
Sampling Stations Sample Station Number:
133 Approximate Direction & Distance from Plant:
233 - 3.7 miles Sample Types:
- 1) Direct radiation Samole Station Location:
i If traveling west on Highway 22, THEN go approximately 2.0 miles from sample station 134. The j
sample station 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 causeway attached to the first NO PARKING ANY TIME sign west of the bridge.
i Sample Station Number:
134 Approximate Direction & Distance from Plant:
200* - 2.8 miles Sample Types:
- 1) Direct radiation Sample Station Location:
If traveling west on Highway 22, THEN go approximately 0.8 miles from sample station 135. The sample station 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. The sample station is on a utility pole on the left at Mockingbird Lane.
I Sample Station Number:
135 Approximate Direction & Distance from Plant:
188 - 3.2 miles j
Sample Types:
- 1) Direct radiation Samole Station Location:
If traveling northwest on Highway 22, THEN go approximately 1.7 miles from sample station 136.
The sample station is on a utility pole on the right.
If traveling east on Highway 22, THEN go approximately 0.8 miles from sample station 134. The sample ~ station is on a utility pole on the len.
l
l Attachment to OCAN059902 Page 32 of 101 Table 1.1 l
Sampling Stations 1
Sample Station Number:
136
)
Approximate Direction & Distance from Plant:
168 - 4.3 miles Sample Types:
- 1) Direct radiation Sample Station Location:
If traveling west on Highway 22, THEN go approximately 3.7 from junction of Highway 22 and j
Highway 7. The sample station is on the right on the first utility pole west of the Little Hays Creek Bridge.
j f
If traveling east on Highway 22, THEN go approximately 1.7 miles from sample station 135. Tk sample' station is on the left on the first utility pole west of the Little Hays Creek Bridge.
Sample Station Number:
137 Approximate Direction & Distance from Plant:
150 - 8.4 miles Sample Types:
- 1) Direct radiation Sample Station Location:
At junction of Highway 7 and Highway 28 in Dardanelle, AR, go approximately 0.2 miles on Highway 28. The sample station is on a speed limit sign on the right in front of the Morris R.
Moore Arkansas National Guard Armony.
Sample Station Number:
138 Approximate Direction & Distance from Plant:
193 - 5.8 miles Sample Types:
- 1) Direct radiation lample Station Location:
At junction of Highway 22 and Highway 155 (Mt. Nebo Road) in Dardanelle, AR, turn west and to the top of the mountain. Veer right at stop sign and proceed toward Sunset Point. The sample station is down a dirt road on the right which is approximately 0.1 miles southeast of Sunset Point.
The sample station is on the left side of the dirt road on a utility pole near a TV tower.
Attachm:nt to l
OCAN059902 Page 33 of101 Table 1.1
{
Sampling Stations l
Sample Station Number:
139 Approximate Direction & Distance from Plant:
178 - 19.2 miles i
Sample Types:
- 1) Direct radiation Sample Station Locatiom Take Highway 7 South through Dardanelle, AR to Ola, AR. Turn leR 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 len in front of the U.S. Post Office.
Sample Station Number:
140 Approximate Direction & Distance from Plant:
151 - 21.8 miles Sample Types:
- 1) Direct radiation
.S_ ample Station Locatigm Proceed through Ola, AR and take Highway 10 East to 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.
Sample Station Number:
141 Approximate Direction & Distance from Plant:
125 - 3.8 miles 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. The sample station is on the right on a utility pole, which is approximately 50 l
yards east of a transmission line. (The sample station is approximately 0.35 miles west of the junction of Hilltop Drive and Marina Road.)
Sample Station Number:
142 l
Approximate Direction & Distance from Plant:
129 - 5.1 miles Sample Types:
- 1) Direct radiation Eamole Station Location:
The sample station is on a utility pole at the junction of Skyline Drive and Nordin Lane in i
Russellville, AR, near a peach orchard.
I i
Attachment to
- OCAN059902 Page 34 of 101 Table 1.1 Sampling Stations 1
Sample Station Number:
143 Approximate Direction & Distance from Plant:
106 - 17.5 miles Sample Types:
- 1) Direct radiation Sample Station Location:
If traveling east on Highway 64 to Atkins, AR, THEN turn leR at junction of Highway 64 and North Church Street. Proceed nonh. The sample station is on a utility pole en 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 corner of North Church Street and Northeast 3rd Street.
Sample Station Number:
144 Approximate Direction & Distance from Plant:
313 - 12.7 miles Sample Types:
- 1) Direct radiation l
Lample 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.
l l
Attachment to i
OCAN059902 Page 35 of 101 FIGURE 1-1 Exposure Pathways EFFLUENT $~
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Attachment to j
OCAN059902 Page 38 of101 2.0 Interpretation and Trends of Results 2.1 Air Particulate and Radioiodine Sample Results Since gamma radionuclides were not detected in the air particulate composites and Iodine-131 was not detected in the radiciodine cartridges during 1998, 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 1998 were similar to those background levels obtained in previous years of the operational REMP and well below preoperational levels as seen below. Results are reported as annual average pCi/m3 Monitorine Period Result Preoperational 0.047 1987-1997 0.019 l
1998 0.021 Gross beta results for indicator locations during 1998 ranged from 0.002 - 0.055 pCi/m3 with a mean of 0.021 pCi/m3 as compared to control locations that ranged from 0.007 - 0.045 pCi/m3 3
with a mean of 0.020 pCi/m. This further emphasizes that the airborne pathway has been unaffected by the operation of ANO.
2.2 Thermoluminescent Dosimetry Sample Results Quarterly doses recorded by TLDs during 1998 were as follows:
0 - 2 miles, mean of 10.4 mrem and range of 8.0 - 13.0 mrem e
2 - 5 miles, mean of 9.0 mrem and range of 5.0 - 13.0 mrem e
> 5 miles, mean of 9.5 mrem and range of 6.0 - 13.0 mrem l
In 1998, 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 I
comparison ofindicator locations to the controls as a measure of plant impact. This comparison, as shown in Figure 2-1, indicates that the ambient radiation levels are unaffected by plant operations. Therefore, levels continue to remain at or near background.
t
U Attachment to OCAN059902 Page 39 of 101 2.3 Milk Sample Results Milk samples were collected monthly from four control locations in 1998 and analyzed for Iodine-131 and gamma radionuclides.
As expected, Iodi.2-131 and gamma radionuclides were below detectable limits in all control locations. Since there 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 1998, as has been the case in previous years.
2.4 Water Sample Results Analytical results for 1998 drinking water, surface water and groundwater samples were similar to those reported in previous years.
Drinkine 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, Iodine-131 and tritium were below detectable limits, which is consistent with preoperational and operational years. Gross beta concentrations ranged from 1.96 - 4.63 pCi/l with a mean of 3.12 pCi/1, which are consistent with the preoperational and operational levels. Listed below is a comparison o.'1998 results to preoperational and operational years. Results are reported as annual average pCi/1.
Radionuclide 1998 1987 - 1997 Proportional Gross Beta 3.12 3.57 2.0 Iodine-131
<LLD 0.3
<LLD Gammas
<LLD
<LLD
<LLD l
<LLD 457.5 200.0 l
Based on this comparison, the operation of ANO had no impact on this pathway during 1998 and radionuclides monitored for this pathway continue to remain at background levels.
Surface water samples were collected monthly and analyzed for gamma radionuclides and a composite was analyzed quarterly for tritium. Gamma radionuclides were below detectable limits with tritium continuing to be detected at the indicator location.
Listed below is a comparison of 1998 results from the indicator location as compared to the preoperational and operational years. Results are reported as annual average pCi/1.
Attachment to OCAN059902 Page 40 of101 Radionuclide 1998 1987 - 1997 Preoperational Cobalt-58
<LLD 7.5
<LLD Cesium-137
<LLD
<LLD 17.8 Other Gammas <LLD
<LLD
<LLD Tritium 2070.0 699.1 200.0 1
Although tritium levels showed an increase as compared to previous years, it was not detected during the last two quarters of 1998. Therefore, this increase was a random occurrence and is not considered representative of the historical average. In addition, the indicator sample is collected at the point where liquid radwaste effluents are discharged to the bay and prior to mixing with Lake Dardanelle. Therefore, depending on plant conditions, the potential for the presence of tritium can exist. However, it can be assumed that any activities present at the point of discharge into Lake Dardanelle after mixing would be nondetectable due to dilution. Overall,1998 levels are similar to historic values. Therefore, the operation of ANO is having little or no impact on this pathway. Figure 2-2 presents 1998 tritium concentrations in comparison to previous years.
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 once in both the indicator and control locations at concentrations of 334.0 pCi/l and 291.0 pCi/l, respectively. These concentrations are well below the required LLD value and are considered background. Therefore, it can be concluded that plant operations is not impacting this pathway.
2.5 Vegetation and Food Product Sample Results Vegetation and food product samples were collected when available from five locations in 1998 and analyzed for Iodine-131 and gamma radionuclides. The 1998 levels remained undetectable, as has been the case since 1989. Therefore, since levels continue to remain at background, it can be concluded that plant operations is not impacting this pathway.
2.6 Sediment Sample Results Sediment samples were collected semiannually from three locations in 1998 and analyzed for gamma radionuclides. As in previous years, radionuclides attributable to ANO were detected in the discharge sediment. However, Figure 2-3 shows that 1998 levels are below those of previous operational years.
Since reporting levels for
Attachment to OCAN059902 Page 41 of101 radionuclides in sediment have not been established, an evaluation of potential dose to the public from this media was performed as shown in Attachment 2.
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 s;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 1998 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 1998, 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 activities over previous years were well below the required LLD specified in the ODCM. Therefore, based on these measurements, ANO operations had no significant radiological impact upon the environment or public by this pathway.
2.8 Land Use Census Results l
The land use census did not identify any new locations which yielded a calculated dose or dose commitment greater than those currently calculated, even though some changes occurred from 1997 to 1998. These changes involved the following:
+ J. D. Henderson family identified as consuming cows' milk on an infrequent basis.
Mr. Henderson declined to participate in the ANO milk-sampling program due to the inconsistency of milk availability.
+ Ware replaced Roshto as the nearest residence in Sector 16.
ANO personnel chose not to perform a garden census in 1998, which is allowed by ANO Units 1 and 2 ODCM Section 2.6.2, in lieu of broadleaf vegetation sampling in the meteorological sector (Sector 13) with the highest "D/Q" Results of the 1998 land use census are presented in Table 2.1.
2.9 Interlaboratory Comparison Results RBS' environmental laboratory analyzed interlaboratory comparison samples for ANO to fulfill the requirements of ANO Units 1 and 2 ODCM Section 2.6.3.
Attachment 1,1998 Radiological Environmental Monitoring Report, contains these results. Based on ANO's review, 6 of the 98_ 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
Attaclunent to OCAN059902 Page 42 of 101 l
'l 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 l
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 11.1 of Attachment 1.
l l
l l
l l
{._
Attachment to OCAN059902 Page 43 of 101 TABLE 2.1 1998 Land Use Census (September 14,15,16 and 18,1998)
MILK-PRODUCING ANIM AI,S.WITHIN FIVE (5) MIIIS
+ Milk-producing animals are divided into two categories defined as:
1.
Class "A" Dairie_s - Dairies in which milk is intended for human consumption as Grade "A" milk. No Class "A" Dairies exist within a five mile radius of ANO.
- 2. Individual Milk-Producing Animals - Family milk animals in which the milk is intended for home use. One individual milk-producing animal exists within a five mile radius of ANO.
Dairy Azimuth - Distance l
J. D. Henderson 69 degrees - 3.5 miles l
+ Milk-producing animals outside a five mile radius of ANO that are currently i
sampled are as follows:
l l
Class "A" Dairies Azimuth - Distance I
l Steuber Dairy 0 degrees - 7.5 miles Ragsdale Dairy 47 degrees - 10.8 miles Harms Dairy 22 degrees - 7.8 miles I
Individual Milk-Producine Animals 1
Collins Goat Dairy 28 degrees - 12.6 miles j
i i
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Attachment to OCAN059902 Page 44 of101 TABLE 2.1 l
1998 Land Use Census (September 14,15,16 and 18,1998)
NEAREST RESIDENCE WITHIN FIVE MILES Sector Residence Location Distance (miles) 1 W. Henderson S. R. 333 0.7 2
Snider 8893 Hwy 64 1.2 3
G. Murray Gum Lane 0.9 4
Knight Knight Lane 0.7 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 11 B. Northup 1269 River Oaxs 3.2 12 G. Sides Flatwood Road 0.7 13 J. Nichols Flatwood Road 1.0 14 Young 110 Round Mt. Lane 0.7 15 W. D. Hale S. R. 333 0.8 l
16 Ware Highway 333 0.7 i
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Page 49 of101 3.0 Radiological Environmental Monitoring Program Summary 3.1 1998 Program Results Summary Table 3.1' summarizes the 1998 REMP results. ANO personnel did not use values l
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l Attachment to OCAN059902 Page 55 of 101 Attachment I s
1998 Radiological Monitoring Report Summary of Monitoring Results L -.
Attachm:nt to OCAN059902 i
Page 56 of 101 TABLE OF CONTENTS
SUMMARY
OF MONITORING RESULTS 58 TABLE 1.1 AIR PARTICULATE & RADIOlODINE 61 TABLE 1.2 AIR PARTICULATE & RADIOIODINE 63 TABLE 1.3 AIR PARTICULATE & RADIOIODINE 65 TABLE 1.4 AIR PARTICULATE & RADIOlODINE 67 TABLE 1.5 AIR PARTICULATE & RADIOlODINE 69 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 (ADH SPLIT) 76 TABLE 2.4 MILK 77 TABLE 2.5 MILK 78 TABLE 2.6 MILK (ADH SPLIT) 79 TABLE 3.1 DRINKING WATER 80 TABLE 3.2 DRINKING WATER 81 TABLE 4.1 SURFACE WATER 82 TABLE 4.2 SURFACE WATER 83 TABLE 4.3 SURFACE WATER 84 TABLE 5.1 GROUNDWATER 85 TABLE 5.2 GROUNDWATER 86 TABLE 6.1 FISH 87 TABLE 7.1 SEDIMENT 88 TABLE 8.1 VEGETATION 89 TABLE 9.1 FOOD PRODUCTS 90
Attachment to OCAN059902 Page 57 of 101 TABLE 10.1 THERMOLUMINESCENT DOSIMETERS 91 TABLE 10.2 THERMOLUMINESCENT DOSIMETERS 92 TABLE 10.3 THERMOLUMINESCENT DOSIMETERS 93 TABLE 11.1 INTERLABORATORY COMPARISON 94
Att:chment to
- OCAN059902 Page 58 of 101
SUMMARY
OF MONITORING RESULTS l
Radionuclides Detected l
The following radionuclides were detected during this reporting period:
l
+ Tritium in the discharge bay and intake surface water.
+ Tritium in the Stewart Residence and Ouita Recreation Area groundwater.
+ Cobalt-60, Cesium-134 and Cesium-137 in the discharge bay sediment.
i Sample Deviations The following air sample deviations occurred during this reporting period.
l_
- l. Station #1 - short run time during the sampling period of January 6 - 13,1998 due to power failure.
- 2. Station #1 - short run time during the sampling period of January 13 - 20, 1998 due to mechanical failure.
- 3. Station #1 - short run time during the sampling period of March 17 - 24,1998 due to mechanical failure.
- 4. Station #1 - short run time during the sampling period of April 14 - 21,1998 due to mechanical failure.
- 5. Station #1 - short run time during the sampling period of April 21 - 28,1998 due to power failure.
- 6. Station #2 - short run time during the sampling period of March 17 - 24,1998 due to mechanical failure.
- 7. Station #3 - low sample volume during the sampling period of February 10 - 17, 1998 due to pump malfunction.
- 8. Station #3 - short run time during the sampling period of March 17 - 24,1998 due
- to mechanical failure.
- 9. Station #3 - short run time during the sampling period of April 21 - 28,1998 due to mechanical failure.
- 10. Station #4 - short run time during the sampling period of March 17 - 24,1998 due to mechanical failure.
- 11. Station #4 - short run time during the sampling period of March 24 - 31,1998 due to power failure.
12' Station #4 - short mn time during the sampling period of April 14 - 21,1998 due to mechanical failure.
- 13. Station #4 - short run time during the sampling period of April 28 - May 5,1998
'due to power failure.
- 14. Station #4 - short mn time during the sampling period of May 5 - 12,1998 due to mechanical failure.
p 4
j Attachm:nt to 0CAN059902 Page 59 of 101
SUMMARY
OF MONITORING RESULTS i
- 15. Station #4 - short run time during the sampling period of May 12 - 19,1998 due to i
mechanical failure.
- 16. Station #4 - low sample volume during the sampling period of June 2 - 9,1998 due to mechanical failure.
- 17. Station #4 - low sample volume during the sampling period of June 16 - 23, 1998 due to low flow rate.
- 18. Station #4 - short run time during the sampling period of July 7 - 14,1998 due to power outage.
- 19. Station #4 - short mn time during the sampling period of July 28 - August 4,1998 due to power outage.
- 20. Station #4 - no flow at time of collection during the sampling period of August 25
- September 1,1998.
- 21. Station #6 - low sample volume during the sampling period of January 20 - 27, 1998 due to mechanical failure.
- 22. Station #6 - short run time during the sampling period of July 7 - 14,1998 due to tripped breaker.
- 23. Station #7 - no sample during the sampling period of February 10 - 17,1998 due to mechanical failure.
- 24. Station #7 - short run time during the sampling period of March 24 - 31,1998 due to power failure.
Sample Relocations The Arkansas Tech Dairy (Station 19) discontinued milking operations in June 1998 and was replaced by the Harms Dairy (Station 53).
The Ragsdale Dairy (Station 50) discontinued milking operations in September 1998 and was replaced by the Cole Dairy (Station 54).
Reauired Lower Limit of Detection (LLD) Values The lower limit of detection values of 0.01 pCi/m3 for gross beta and 0.07 pCi/m3 for Iodine-131 at Station #4 during the sampling period of April 7 - 14,1998 was not met due to a mechanical failure which resulted in a low sample volume.
The lower limit of detection value of 0.01 pCi/m3 for gross beta at Station #1 during the sampling period of April 21 - 28, 1998 was not met due to a mechanical failure, which resulted in a low sample volume.
Attachment to 0CAN059902 Page 60 of101
SUMMARY
OF MONITORING RESULTS l
I The lower limit of detection values of 0.01 pCi/m3 for gross beta and 0.07 pCi/m3 for l
Iodine-131 at Station #4 during the sampling period of May 5 - 12,1998 was not met due l
to a mechanical failure which resulted in a low sample volume.
All other LLDs for this reporting period were within the acceptable limits required by the technical specifications.
Missed Samples First quarter TLD Station 132 and second quarter TLD Stations 112 and 137 were missing in the field due to vandalism.
Groundwater was not collected at Station 32 (Stewart Residence) on June 23,1998 due to personnel error. Condition Report C-98-0281 was written to document this deficiency.
4 l
l l
l l
l l
t
Attachment to OCAN059902 l
Page 61 of 101 Table 1.1 Sample Type:' Air Particulate and Radiolodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units:_ pCi/m' Location: 01, Met Tower (Indicator)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD
=)
0.01 0.07 980017 17130/97 01/06/98 0.011 0.002
<0.021 980057*
01/06/98 01/13/98 0.035
- 0.005
<0.056 980088
- 01/13/98 01/20/98 0.029
- 0.003
<0.016 980115 01/20/98 01/27/98 0.030
- 0.002
<0.015 980140 01/27/98 02/03/98 0.025 0.002
<0.019 980177 02/03/98 02/10/98 0.024 + 0.002
<0.016 980202 02/10/98 02/17/98 0.025 0.002
<0.018 980236 02/17/98 02/24/98 0.030
- 0.002
<0.020 980255 02/24/98 03/03/98 0.018 0.002
<0.019 980290 03/03/98 03/10/98 0.015 0.002
<0.018 980321 03/10/98 03/17/98 0.029 0.003
<0.016 980340
- 03/17/98 03/24/98 0.015
- 0.005
<0.061 980372 03/24/98 03/31/98 0.019 + 0.002
<0.014 980414 03/31/98 04/07/98 0.016 i 0.002
<0.021 980453 04/07/98 04/14/98 0.021
- 0.002
<0.013 980495
- 04/14/98 04/21/98 0.028 0.007
<0.07 980534
- 04/21/98 04/28/98
<0.02 * *
<0.07 980571 04/28/98 05/05/98 0.015
- 0.002
<0.011 980601 05/05/98 05/12/98 0.025 0.003
<0.017 980623 05/12/98 05/19/98 0.031
- 0.002
<0.013 980645 05/19/98 05/26/98 0.035
- 0.002
<0.014 980679 05/26/98 06/02/98 0.017
- 0.002
<0.013 980717 06/02/98 06/09/98 0.013 0.002
<0.020 980749 06/09/98 06/16/98 0.018
- 0.002
<0.013 l
980785 06/16/98 06/23/98 0.028 0.003
<0.021
(
980826 06/23/98 06/30/98 0.012 0.001
<0.014 See Sample Deviations in Summary of Monitoring Results.
- See Required Lower Limit of Detection Values in Summary of Monitoring Results.
Atttchm:nt to OCAN059902 Page 62 of 101 t
Table 1.1 Sample Type: Air Particulate and Radioiodine Collection: Continuous with Weeldy Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m' Location: 01, Met Tower (Indicator)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD
-)
0.01 0.07 980852 06/30/98 07/07/98 0.019 0.002
<0.021 980907 07/07/98 07/14/98 0.022 0.002
<0.013 980945 07/14/98 07/21/98 0.029 0.002
<0.016 980972 07/21/98 07/28/98 0.022 0.002
<0.015 980996 07/28/98 08/04/98 0.026 0.002
<0.013 981025 08/04/98 08/l1/98 0.027
- 0.003
<0.022 981054 08/11/98 08/18/98 0.034
- 0.002
<0.014 981088 08/18/98 08/25/98 0.047 0.003
<0.015 981135 08/25/98 09/01/98 0.033 0.003
<0.015 981166 09/01/98 09/08/98 0.042
- 0.003
<0.015 981202 09/08/98 09/15/98 0.022
- 0.002
<0.020 981234 09/15/98 09/22/98 0.025 0.002
<0.018 981270 09/22/98 09/29/98 0.023
- 0.002
<0.018 981305 09/29/98 10/06/98 0.019
- 0.002
<0.019 981351 10/06/98 10/13/98 0.023
- 0.002
<0.015 981395 10/13/98 10/20/98 0.025 0.002
<0.021 981423 10/20/98 10/27/98 0.026 + 0.002
<0.018 981448 10/27/98 11/03/98 0.023 0.002
<0.015 981489 11/03/98 11/10/98 0.016 i 0.002
<0.022 981515 11/10/98 11/17/98 0.031
- 0.002
<0.015 981530 11/17/98 11/23/98 0.029 0.003
<0.018 981567 11/23/98 12/01/98 0.034
- 0.003
<0.020 l
981600 12/01/98 12/08/98 0.024
- 0.002
<0.022 l
981629 12/08/98 12/15/98 0.026
- 0.002
<0.013 981664 12/15/98 12/22/98 0.027 0.003
<0.027 l
981680 12/22/98 12/29/98 0.037 + 0.003
<0.015
Attachment to 0CAN059902 Page 63 of101 Table 1.2 Sample Type: Air Particulate and Radiolodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radioiodine Cartridge)
Units: pCi/m' Location: 02, Southwest of Site (Indicator)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD -)
0.01 0.07 980018 12/30/97 01/06/98 0.011
- 0.002
<0.023 980058 01/06/98 01/13/98 0.012 0.002
<0.014 980089 01/13/98 01/20/98 0.025 + 0.002
<0.018 980116 01/20/98 01/27/98 0.033
- 0.003
<0.022 980141 01/27/98 02/03/98 0.024
- 0.002
<0.026 980178 02/03/98 02/10/98 0.028 0.002
<0.021 980203 02/10/98 02/17/98 0.024 0.002
<0.017 980237 02/17/98 02/24/98 0.028 0.002
<0.018 980256 02/24/98 03/03/98 0.017
- 0.002
<0.020 980291 03/03/98 03/10/98 0.016 0.002
<0.017 980322 03/10/98 03/17/98 0.026 0.002
<0.016 980341
- 03/17/98 03/24/98 0.018 0.007
<0.064 980373 03/24/98 03/31/98 0.021
- 0.002
<0.016 980415 03/31/98 04/07/98 0.014 0.002
<0.017 980454 04/07/98 04/14/98 0.020
- 0.002
<0.021 980496 04/14/98 04/21/98 0.017
- 0.002
<0.016 980535 04/21/98 04/28/98 0.021 0.002
<0.020 980572 04/28/98 05/05/98 0.013 0.002
<0.020 980602 05/05/98 05/12/98 0.020
- 0.002
<0.020 980624 05/12/98 05/19/98 0.023 t 0.002
<0.017 980646 05/19/98 05/26/98 0.034 0.003
<0.019 980680 05/26/98 06/02/98 0.018 0.002
<0.015 980718 06/02/98 06/09/98 0.014
- 0.002
<0.021 980750 06/09/98 06/16/98 0.020
- 0.002
<0.020 980786 06/16/98 06/23/98 0.015 0.002
<0.019 980827 06/23/98 06/30/98 0.011
- 0.002
< 0.017
- See Sample Deviations in Summary of Monitoring Results.
Attachment to OCAN059902 Page 64 of10l' Table 1.2 Sample Type: Air Particulate and Radiciodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m Location: 02, Southwest of Site (Indicator)
Lab. Number
' Start Date End Date Gross Beta I-131 Reauired LLD
-)
0.01 0.07 980853 06/30/98 07/07/98 0.017 0.002
<0.014 980908 07/07/98 07/14/98 0.023
- 0.002
<0.019 980946 07/14/98 07/21/98 0.026
- 0.002
<0.017 l
980973 07/21/98 07/28/98 0.022
- 0.002
<0.017 980997 07/28/98 08/04/98 0.027 0.002
<0.017 981026 08/04/98 08/l1/98 0.020
- 0.002
<0.014 981055 08/l1/98 08/18/98 0.038
- 0.003
<0.024 l
98'089 08/18/98 08/25/98 0.039 0.003
<0.016
{
981136 08/25/98 09/01/98 0.035
- 0.003
<0.017 981167 09/01/98 09/08/98 0.040
- 0.003
<0.022 981203 09/08/98 09/15/98 0.021 0.002
<0.020 j
981235 09/15/98 09/22/98 0.019 0.002
<0.019 981271 09/22/98 09/29/98 0.022
- 0.002
<0.014 981303 09/29/98 10/06/98 0.012 0.002
<0.019 981352 10/06/98 10/13/98 0.021
- 0.002
<0.018 981396 10/13/98 10/20/98 0.022 + 0.002
<0.023 981424 10/20/98 10/27/98 0.027
- 0.002
<0.023 981449 10/27/98 11/03/98 0.020 0.002
<0.018 981490 11/03/98 11/10/98 0.019 0.002
<0.017 981516 11/10/98 11/17/98 0.035 + 0.003
<0.020 I
981531 11/17/98 11/23/98 0.026 0.003
<0.024 981568 11/23/98 12/01/98 0.027
- 0.002
<0.013 j
981601 12/01/98 12/08/98 0.018
- 0.002
<0.018 981630 12/08/98 12/15/98 0.027 0.003
<0.018 l
981665 12/15/98 12/22/98 0.026 0.002
<0.032 l
981681 12/22/98 12/29/98 0.041
- 0.003
<0.017
e Attachment to l
OCAN059902 i
Page 65 of101 I
Table 1.3 Sample Type: Air Particulate and Radiciodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m' Location: 03, North of Site (Indicator)
Lab Numb (r Start Date End Date Gross Beta I-131 Reauirn LLD
-)
0.01 0.07 980019 12/30/97 01/06/98 0.008
- 0.002
<0.016 980059 01/06/98 01/13/98 0.003
- 0.001
<0.018 980090 01/13/98 01/20/98 0.014
- 0.002
<0.019 980117 01/20/98 01/27/98 0.022
- 0.002
<0.021 980142 01/27/98 02/03/98 0.020 0.002
<0.020 980179 02/03/98 02/10/98 0.020
- 0.002
<0.018 980204
- 02/10/98 02/17/98 0.017
- 0.007
<0.067 980238 02/17/98 02/24/98 0.025 0.002
<0.022 980257 02/24/98 03/03/98 0.019 0.002
<0.020 980292 03/03/98 03/10/98 0.012 + 0.002
<0.016 980323 03/10/98 03/17/98 0.031
- 0.003
<0.018 L
980342
- 03/17/98 03/24/98 0.012 0.004
<0.049 980374 03/24/98 03/31/98 0.029
- 0.003
<0.022 980416 03/31/98 04/07/98 0.015 0.002
<0.018 980455 04/07/98 04/14/98 0.015 0.002
<0.018 980497 04/14/98 04/21/98 0.007
- 0.002
<0.013 980536
- 04/21/98 04/28/98 0.021
- 0.003
<0.026 980573 04/28/98 05/05/98 0.015 0.002
<0.017 980603 05/05/98 05/12/98 0.019
- 0.002
<0.016 980625 05/12/98 05/19/98 0.029
- 0.003
<0.019 980647 05/19/98 05/26/98 0.031
- 0.003
<0.017 980681 05/26/98 06/02/98 0.017
- 0.002
<0.016 980719 06/02/98 06/09/98 0.013 0.002
<0.021 980751 06/09/98 06/16/98 0.022 0.003
<0.025 l
980787 06/16/98 06/23/98 0.013
- 0.002
<0.024 i
980828 06/23/98 06/30/98 0.014 0.002
<0.027
- See Sample Deviations in Summary of Monitoring Results.
Attachment to OCAN059902 Page 66 of101 Table 1.3 l
Sample Type: Air Particulate and Radioiodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m' l
Location: 03, North of Site (Indicator)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD
-)
0.01 0.07 980854 06/30/98 07/07/98 0.015
- 0.002
<0.019 l
980909 07/07/98 07/14/98 0.024 + 0.002
<0.021 l
980947 07/14/98 07/21/98 0.025
- 0.002
<0.019 l
- 980974 07/21/98 07/28/98 0.024
- 0.002
<0.019 980998 07/28/98 08/04/98 0.024 0.002
<0.018 981027 08/04/98 08/l1/98 0.029
- 0.002
<0.020 981056 08/11/98 08/18/98 0.032
- 0.003
<0.018 981090 08/18/98 08/25/98 0.040
- 0.003
<0.018 981137 08/25/98 09/01/98 0.032
- 0.003
<0.024 981168 09/01/98 09/08/98 0.047
- 0.003
<0.023 981204 09/08/98 09/15/98 0.019
- 0.002
<0.020 981236 09/15/98 09/22/98 0.022 0.002
<0.018 981272 09/22/98 09/29/98 0.022
- 0.002
<0.021 981304 09/29/98 10/06/98 0.019
- 0.002
<0.021 981353 10/06/98 10/13/98 0.024
- 0.002
<0.017 981397 10/13/98 10/20/98 0.025
- 0.002
<0.022 981425 10/20/98 10/27/98 0.026 0.002
<0.023 981450 10/27/98 11/03/98 0.022
- 0.002
<0.018 981491 11/03/98 11/10/98 0.017 0.002
<0.020 981517 11/10/98 11/17/98 0.034 0.003
<0.014 981532 11/17/98 11/23/98 0.028 0.003
<0.025 981569 11/23/98 12/01/98 0.031
- 0.002
<0.017 981602 12/01/98 12/08/98 0.021
- 0.002
<0.019 981631 12/08/98 12/15/98 0.025 0.002
<0.019 981566 12/15/98 12/22/98 0.024
- 0.002
<0.028 981682 12/22/98 12/29/98 0.038
- 0.003
<0.020 l
i
r::
Attachment to OCAN059902 Page 67 of101 Table 1.4 Sample Type: Air Particulate and Radioiodine Collection: Continuous with Weekly Exchange
. Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m Location: 04, May Cemetery (Indicator)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD ->
0.01 0.07 i
980020 12/30/97 01/06/98 0.007 0.002
<0.014 980060 01/06/98 01/13/98 0.004 :.: 0.002
<0.018 l
980091 01/13/97 01/20/97 0.012
- 0.002
<0.019 980118 01/20/98 01/27/98 0.008 + 0.002
<0.018 980143 01/27/98 02/03/98 0.009
- 0.002
<0.017 980180 02/03/98 02/10/98 0.010 0.002
<0.014 980205 02/10/98 02/17/98 0.024 0.002
<0.016 980239 02/17/98 02/24/98 0.030 0.003
<0.026 980258 02/24/98 03/03/98 0.022 0.002
<0.021 980293 03/03/98 03/10/98 0.011 0.002
<0.020 980324 03/10/98 03/17/98 0.019 0.002
<0.021 980343
- 03/17/98 03/24/98 0.006 0.004
<0.062 980375
- 03/24/98 03/31/98 0.017
- 0.003
<0.032 980417 03/31/98 04/07/98 0.007 + 0.002
<0.016 980456 04/07/98 04/14/98 0.019 + 0.002
<0.021 i
980498 **
04/14/98 04/21/98
<0.10
<0.28 980537 04/21/98 04/28/98 0.027
- 0.003
<0.022 -
980574 *'
04/28/98 05/05/98 0.016
- 0.003
<0.026 980604 **
05/05/98 05/12/98 0.055 0.039
<0.11 980626
- 05/12/98 05/19/98 0.025 0.001
<0.066 j
980648 05/19/98 05/26/98 0.013 0.002
<0.016 l
980682 05/26/98 06/02/98 0.003 0.001
<0.014 980720
- 06/02/98 06/09/98 0.010
- 0.002
<0.019 I
980752 06/09/98 06/16/98 0.004
- 0.001
<0.015
'980788
- 06/16/98 06/23/98
<0.004
<0.021 980829 06/23/98 06/30/98 0.004 + 0.001
<0.030 See Sample Deviations in Summary of Monitoring Results.
- See Required Lower Limit of Detection in Summary of Monitoring Results.
l.
f l
l Attachment to OCAN059902 l
Page 68 of 101 Table 1.4
. Sample Type: Air Particulate and Radiciodine l
Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m l
Location: 04, May Cemetery (Indicator)
Lab Number Start Date End Date Gross Beta 1-131 1
Required LI,D 0.01 0.07 980855 06/30/98 07/07/98 0.005 + 0.002
<0.017 980910
- 07/07/98 07/14/98 0.002 0.002
<0.017 980948 07/14/98 07/21/98 0.005 0.002
<0.026
'980975 07/21/98 07/28/98 0.007
- 0.001
<0.010 980999
- 07/28/98 08/04/98 0.009
- 0.005
<0.056 981028 08/04/98 08/l1/98 0.007 0.001
<0.010 l
981057 08/11/98 08/18/98 0.003 0.002
<0.027 981091 08/18/98 08/25/98 0.016 0.002
<0.014 981138
- 08/25/98 09/01/98 0.006 0.003
<0.029 981169 09/01/98 09/08/98 0.019
- 0.002
<0.017 981205 09/08/98 09/15/98 0.007
- 0.002
<0.014 981237 09/15/98 09/22/98 0.004
- 0.002
<0.020 981273 09/22/98 09/29/98 0.011 0.002
<0.020 981306 09/29/98 10/06/98 0.005 0.002
<0.018 981354 10/06/98 10/13/98 0.023
- 0.002
<0.020 981398 10/13/98 10/20/98 0.010
- 0.001
<0.019
-981426 10/20/98 10/27/98 0.024
- 0.002
<0.018 981451 10/27/98 11/03/98 0.007 0.001
<0.010 981492 11/03/98 11/10/98 0.014
- 0.002
<0.014 981518 11/10/98 11/17/98 0.024 0.002
<0.022 981533 11/17/98 11/23/98 0.019 0.002
<0.020 981570 11/23/98 12/01/98 0.024 0.002
<0.016 981603 12/01/98 12/08/98 0.015
- 0.002
<0.019 981632 12/08/98 12/15/98 0.019 0.002
<0.014 981667 12/15/98 12/22/98 0.018
- 0.002
<0.027 981683 12/22/98 12/29/98 0.029
- 0.003
<0.019 See Sample Deviations in Summary of Monitoring Results.
L,
E
)
p Attachment to -
OCAN059902 -
3 l
Page 69 of101 Table 1.5 Sample Type: Air Particulate and Radioiodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m' Location: 06, Local Office (Control)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD =>
0.01 0.07 980021 12/30/97 01/06/98 0.013 0.002
<0.017 980061 01/06/98 01/13/98 0.010 0.002
<0.018 980092 01/13/97 01/20/97 0.033 0.003
<0.020 980119
- 01/20/98 01/27/98 0.028
- 0.007
<0.065 980144 01/27/98 02/03/98 0.021 0.002
<0.018 980181 02/03/98 02/10/98 0.017
- 0.002
<0.019 980206 02/10/98 02/17/98 0.022 0.002
<0.026 980240 02/17/98 02/24/98 0.022
- 0.002
<0.022 980259 02/24/98 03/03/98 0.017
- 0.002
<0.019 980294 03/03/98 03/10/98 0.013
- 0.002
<0.016 980325 03/10/98 03/17/98 0.028 0.003
<0.021 980344 03/17/98 03/24/98 0.013
- 0.002
<0.026 980376 03/24/98 03/31/98 0.019
- 0.003
<0.023 980418 03/31/98 04/07/98 0.011 0.002
<0.018 980457 04/07/98 04/14/98 0.017 0.002
<0.018 I
980499 04/14/98 04/21/98 0.011
- 0.002
<0.021 980538 04/21/98 04/28/98 0.019
- 0.002
<0.021 980575 04/28/98 05/05/98 0.011 0.002
<0.015 980605 05/05/98 05/12/98 0.018
- 0.002
<0.019 980627 05/12/98 05/19/98 0.016
- 0.002
<0.019 980649 05/19/98 05/26/98 0.028 0.003
<0.019 980683 05/26/98 06/02/98 0.009
- 0.002
<0.019 980721 06/02/98 06/09/98 0.011 0.002
<0.020 980753 06/09/98 06/16/98 0.011 0.002
<0.022 l
980789 06/16/98 06/23/98 0.012 0.002
<0.020 980830 06/23/98 06/30/98 0.010 0.002
<0.029_
- See Sample Deviations in Summary of Monitoring Results.
Attachment to OCAN059902 Page 70 of 101 Table 1.5 Sample Type: Air Particulate and Radiciodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m' Location: 06, Local OlYice (Control)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD ->
0.01 0.07 980856 06/30/98 07/07/98 0.015 0.002
<0.018 980911
- 07/07/98 07/14/98 0.012 0.002
<0.023 980949 07/14/98 07/21/98 0.026
- 0.002
<0.018 980976 07/21/98 07/28/98 0.010
- 0.002
<0.018 981000 07/28/98 08/04/98 0.019 0.002
<0.019 981029 08/04/98 08/11/98 0.015 0.002
<0.017 981058 08/l1/98 08/18/98 0.023
- 0.002
<0.021 981092 08/18/98 08/25/98 0.021 0.002
<0.019 981139 08/25/98 09/01/98 0.027 0.002
<0.018 981170 09/01/98 09/08/98 0.023
- 0.002
<0.017 981206 09/08/98 09/15/98 0.014 0.002
<0.017 981238 09/15/98 09/22/98 0.013 0.002
<0.024 981274 09/22/98 09/29/98 0.017
- 0.002
<0.020 981307 09/29/98 10/06/98 0.007 0.002
<0.018 981355 10/06/98 10/13/98 0.019 0.002
<0.018 981399 10/13/98 10/20/98 0.013 + 0.002
<0.019 981427 10/20/98 10/27/98 0.017 0.002
<0.026 981452 10/27/98 11/03/98 0.011 0.002
<0.019 981493 11/03/98 11/10/98 0.013 0.002
<0.017 981519 11/10/98 11/17/98 0.025
- 0.002
<0.020 981534 11/17/98 11/23/98 0.021
- 0.032
<0.023 981571 11/23/98 12/01/98 0.025 0.002
<0.018 981604 12/01/98 12/08/98 0.019
- 0.002
<0.017 981633 12/08/98 12/15/98 0.022
- 0.002
<0.017 981668 12/15/98 12/22/98 0.025 0.003
<0.039 981684 12/22/98 12/29/98 0.037 0.003
<0.014
- bee Sample Deviations in Summary of Monitoring Results.
Attachment to OCAN059902 Page 71 of101 Table 1.6 Sample Type: Air Particulate and Radioiodine Collection: Continuous with Weekly Exchange Analysis: Gross Beta (Particulate) and Iodine-131 (Radiciodine Cartridge)
Units: pCi/m' Location: 07, Danville (Control)
Lab Number Start Date End Date Gross Beta I-131 Reauired LLD 4 0.01 0.07 980022 12/30/97 01/06/98 0.009
- 0.002
<0.022 980062 01/06/98 01/13/98 0.011 0.002
<0.022 980093 01/13/97 01/20/97 0.021
- 0.002
<0.022 980120 01/20/98 01/27/98 0.029 0.003
<0.023 980145 01/27/98 02/03/98 0.017
- 0.002
<0.027 980182 02/03/98 02/10/98 0.025
- 0.002
<0.017 980241 02/17/98 02/24/98 0.032
- 0.002
<0.016 980260 02/24/98 03/03/98 0.018
- 0.002
<0.016 980295 03/03/98 03/10/98 0.018
- 0.002
<0.017 980326 03/10/98 03/17/98 0.030 + 0.002
<0.015 980345 03/17/98 03/24/98 0.013
- 0.002
<0.018 980377
- 03/24/98 03/31/98 0.015
- 0.003
<0.028 980419 03/31/98 04/07/98 0.018 0.002
<0.017 980458 04/07/98 04/14/98 0.019 0.002
<0.021 980500 04/14/98 04/21/98 0.020
- 0.002 '
<0.020 980539 04/21/98 04/28/98 0.025 0.003
<0.018 980576 04/28/98 05/05/98 0.017
- 0.002
<0.021 980606 05/05/98 05/12/98 0.026 0.003
<0.016 980628 05/12/98 05/19/98 0.028
- 0.003
<0.020 980650 05/19/98 05/26/98 0.037 0.003
<0.023 980684 05/26/98 06/02/98 0.018 0.002
<0.014 980722 06/02/98 06/09/98 0.015 0.002
<0.021 980754 06/09/98 06/16/98 0.017
- 0.002
<0.020 980790 06/16/98 06/23/98 0.013 0.002
<0.021 l
980831 06/23/98 06/30/98 0.010 0.002
<0.002
- See Sample Deviations in Summary of Monitoring Results.
p Attachment to 0CAN059902 Page 72 of101 Table 1,6 Sample Type': Air Particulate and Radiciodine l
Collection: Continuous with Weekly Exchange l
Analysis: Gross Beta (Particulate) and Iodine-131 (Radioiodinc Cartridge)
Units: pCi/m' Location: 07, Danville (Control) l Lab Number Start Date End Date Gross Beta I-131 Reauire'l LLD +
0,01 0.07 980857 06/30/98 07/07/98 0.018 0.002
<0.016 980912 07/07/98 07/14/98 0.020
- 0.002
<0.022 l~
980950 07/14/98 07/21/98
'0.030 0.003
<0.022 980977 07/21/98 07/28/98 0.022
- 0.003
<0.026 981001 07/28/98 08/04/98 0.025 0.002
<0.017 981030 08/04/98 08/11/98 0.025
- 0.002
<0.018 I
98105T 08/11/98 08/18/98 0.031 0.002
<0.018 981('13 08/18/98 08/25/98 0.038
- 0.003
<0.018 981140 08/25/98 09/01/98 0.028'* 0.003
<0.018 l-981171 09/01/98 09/08/98 0.044
- 0.003
<0.021 l
981207 09/08/98 09/15/98 0.020 0.003
<0.026 l
981239 09/15/98 09/22/98 0.019 0.002
<0.013 981275 09/22/98 09/29/98 0.021 0.002
<0.017 981308 09/29/98 10/06/98-0.016 0.002
<0.022 981356 10/06/98 10/13/98 0.018 0.002
<0.012 981400 10/13/98 10/20/98 0.020
- 0.002
<0.022 -
l 981428 10/20/98 10/27/98 0.022 0.002
<0.022 L
981453 10/27/98 11/03/98 0.018 0.002
<0.018 981494 11/03/98 11/10/98 0.016 0.002
<0.015 981520 11/10/98 11/17/98 0.028
- 0.002
<0.015 l
981535 11/17/98-11/23/98 0.029
- 0.003
<0.021 981572 11/23/98 12/01/98 0.036 0.003
<0.017 981605 12/01/98 12/08/98 0.021 0.002
<0.022 981634 12/08/98 12/15/98 0.028 i 0.002
<0.015 981669 12/15/98 12/22/98 0.027 0.003
<0.037 981685 12/22/98 12/29/98 0.045
- 0.003
<0.021 L
Attachment to OCAN059902 Page 73 of 101 Table 1.7 Sample Type: Air Particulate Collection: Quarterly Composites of Weekly Samples Analysis: Gamma Units: pCi/m' Location Lab Number Quarterly Composite Cs-134 Cs-137 Reauired LLD +
0.01 0.01 01, Met Tower (Indicator) 980485 1ST
<0.092
<0 001 01, Met Tower (Indicator) 980894 2ND
<0.002
<0.001 01, Met Tower (Indicator) 981313 3RD
<0.002
<0.001 01, Met Tower (Indicator) 981707 4TH
<0.002
<0.001 02,' Southwest of Site (Indicator) 980486 IST
<0.002
<0.001 02, Southwest of Site (Indicator) 980897 2ND
<0.002
<0.002 02, Southwest of Site (Indicator) 981314 3.RD
<0.003
<0.003 02, Southwest of Site (Indicator) 981708 4TH
<0.002
<0.002 03, North of Site (Indicator) 980487 1ST
<0.002
<0.002 03, North of Site (Indicator) 980898 2ND
<0.002
<0.001 03, North of Site (Indicator) 981315 3RD
<0.002
<0.002 03, North of Site (Indicator) 981709 4TH
<0.002
<0.002 04, May Cemetery (Indicator) 980488 IST
<0.002
<0.002 04, May Cemetery (Indicator) 980899 2ND
<0.003
<0.003 04, May Cemetery (Indicator) 981316 3RD
<0.002
<0.002 04, May Cemetery (Indicator) 981710 4TH
<0.002
<0.002 06, Local Office (Control) 980489 1ST
<0.002
<0.002 06, Local OfYice (Control) 980900 2ND
<0.002
<0.002 06, Local Office (Control) 981317 3RD
<0.002
<0.001 06, Local Office (Control) 981711 4TH
<0.003
<0.001 07, Danville (Control) 980490 1ST
<0.002
<0.002 07, Danville (Control) 980901 2ND
<0.003
<0.002 07, Danville (Control) -
981318 3RD
<0.002
<0.001 07, Danville (Control) 981712 4TH
<0.001
<0.002
- l...
Attachment to OCAN059902 4
Page 74 of101 i
Table 2.1 Sample Type: Milk (ADH Split) l Collection: Monthly Grab Analysis: lodine-131 and Gamma j
Units: pCi/l Location: 19, Arkansas Tech (Control)
Rgstuired LLD =>
10 g
H M
M 980024 01/06/98
<0.89
<3.24
<3.67
<13.5
<3.29 980138 02/03/98
<0.86
<3.5 8
<3.33
<14.0
<4.40 980261 03/03/98
<0.89
<5.23
<5.19
< 14.7
<7.16 980378 03/31/98
<0.80
<3.52
<3.99
<l 4.9
<5.01 980540 04/28/98
<0.88
<4.13
<4.57
<14.7
<5.3 6 980651 05/26/98
<0.90
<4.66
<4.98
< l 4.9
<4.08 l_
- Arkansas Department of Health collects and splits sample with ANO.
See Sample Relocations in Summary of Monitoring Results.
L
r Attachment to 0CAN059902 Page 75 of101 Table 2.2 Sample Type: Mills Collection: Monthly Grab Analysis: Iodine-131 and Gamma Units: pCi/l Location: 37, Steuber Dairy (Control)
Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 Reauired LLD +
Lg M
H M
g 980008 01/02/98
<0.86
<3.42
<3.79
<14.8
<3.67 980114 01/29/98
<0.79
<4.59
<4.22
<13.4
<5.61 l
980242 02/25/98
<0.89
<4.58
<5.22
<l4.7
<6.41,
980346 03/25/98
<0. 89
<4.07
<4.34
<l l.7
<3.44 980504 04/22/98
<0.87
<4.62
<4.66
<l4.7
<5.26 980629 05/20/98
<0.86
<4.00
<4.27
<l 2.2
<4.61 I
980747 06/17/98
<0.87
<4.21
<4.68
<l 5.0
<4.56 980913 07/15/98
<0.87
<3.97
<3.66
<l4.3
<3.59 981022 08/12/98
<0.84
<4.41
<3.85
<l 4.1
<5.26 981160 09/09/98
<0.89
<4.27
<3.91
< 14.8
<4.75 981309 10/07/98
<0.92
<4.39
<4.32
<14.2
<4.26 981454 11/04/98
<0.89
<4.86
<4.42
<14.7
<6.74 981564 12/02/98
<0.87
<2.83
<3.36
<9.32
<3.14 981677 12/30/98
<0.89
<4.08
<4.40
<14.3
<4.74 3
Attachment to OCAN059902 Page 76 of 101 Table 2.3 Sample Type: Milk (ADH Split)
Collection: Monthly Grab Analysis: Iodine-131 and Gamma Units: pCi/l Location: 50, Ragsdale Dairy (Contrci) *
~
Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 s
Reanired LI,D =>
LO g
g g
y l
d 980025 01/06/98
<0.77
<3.99
<5.26
<14.2
<4.89 g
I 980139 02/03/98
<0.86
<3.66
<> 66
<l 3.1
<420 980262 03/03/98
<0.85
<4.28 "4.50
<l5.0
<3.59 980379 03/31/98
<0.89
<5.42
<5.27
<14.8
<4.71 980541 04/28/98
<0.87
<4.49
<4.67
<15.0
<4.44 980652 05/26/98
<0.88
<4.02
<4.47
<!4.5
<4.41 980732 06/23/98
<0.83
<4. 56
<4.24
< 13.6
<3.28 980951 07/21/98
<0.76
<4.48
<3.57
< 14._0
<5.11 981060 V8/18/98
<0.75
<4.3 0
<4.31
< l 4.4
<5.14 981208 09/15/98
<0.89
<4.12
<4.33
<l4.1
<4.44 se
.+
l l
2 l
Arkrasas Department ofIIealth rollects and splits sample with ANO.
- See Sample Relocations in Summary of Monitoring Results.
i
y s.,
Attechment to OCAN059902 j,
Page 77 of101 l
[
Table 2.4 Sample Type: Milk l
Collection: Monthly Grab Analysis: Iodine-131 and Ganuna j
Units: pCi/l 1.ocation: 52, Collins Dairy (Control)
\\
Lab Number.
Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 l
Required LLD +
1.0 15 18 15 15 980009 01/02/98.
<0.87
<4.12
<4.31
<14.8
<5.15 9801:0 02/02/98
<0.77
<4.09
<4.29
< l4.7
<4.24 980243 02/25/98
<0.79
<4.70
<5.78
< 14.9
<5.14 j
080347 03/25/98
<0.56
<4.11
<4.40
<14.9
<3.50 980505 04/22/98
<0.80
<4.76
<4.83
<15.0
<6. I 1 980630 05/20/98
<0.88
<4.25
<4.67
<13.4
<4.40 980748 06/17/98
<0.90
<4.39
<4.85
<14.9
<4.49 980922 07/16/98
<0.88
<3.95
<4.90
< l 5.0
<4.67 981023 03/12/98
<0.88
<5.17
<5.74
<l4.8
<4.12 981161 09/09/98
<0.84
<4.73
<4.75
<l4.4
<4.84 981311 10/07/98
<0.79
<4.80
<4.46
<14.3
<4.73 931455 11/04/98
<0.87
<3.80
<4.78
<13.8
<4.18 981565 12/02/98
<0.89
<3.37
<3.72
<11.3
<3.54 981678 12/30/98
<0.85
<3.64
<4.26
<13.6
<3.90
.11 l
l L
l_
Attachment to l
OCAN059902 1
Page 78 of 101 Table 2.5 l
Sample Type: Milk Collection: Monthly Grab Analysis: Iodine-131 and Gamma
. Units: pCi/l Location: 53, Harms Dairy (Control)
Lab Number Collection Date I-131 Cs-134 Cs-137 Ba-140 La-140 Required LLD ->
J.e J.!
1,,8 J.!
J,,g l
980795
- 06/24/98
<0.83
<4.27
<3.93
<l3.5
<4.79 l
980914 07/15/98
<0.67
<4.62
<4.49
<l 5.0
<4.44 981024 08/12/98
<0.89
<3.66
<4.08
<14.0
<2.48 j
981162 09/09/98
<0.79
<4.02
<3.76
< 14.9
<5. I 1 981310 10/07/98
<0.70
<4.71
<4.3 0
< l4.2
<5.07 981465 11/05/98
<0.88
<2.89
<3.59
<l3.0
<3.52 981566 12/02/98
<0.87
<3.10
<3.11
<11.8
<4.25 I
981679 12/30/98
<0.74
<4.56
<6.07
< 14.9
<5.64 l
l' l.
l See Sample Relocations in Summary of Monitoring Results.
l
p.
l Attachment to i
- OCAN059902
- Page 79 of101 Table 2.6 (ADH Split).
Sample Type: Mith l
Collection:.. Monthly Grab i
Analysis: Iodine-131 and Ganuna
' Units: pCi/l j
' Location: 54, Cole Dairy (Control)
i Reauired LLD j.a M
H g
M l'
981209 **
09/15/98
<0.87
<3.80
<4.58
<l 5.0
<5.03 l
981357 10/13/98
<0,80
<3.77
<4.15
<14.6
<5.33 l
981495 11/10/98
<0.83
<4.22
<4.48
<14.9
<5.07 981609 12/08/98
<0.88
<4.03
<4.47
< l 4.1
<4.55 t
l l
i l
Arkansas Department of Health collects and splits sample with ANO.
" See Sample Relocations in Summary of Monitoring Results.
1 l
1 L
0 785895538 1 79 1
4 46490291 08 407 M
1 4644545563454 a
L 04 801 002.2443443 57698898 M
1 43002 1 l 1 1 l 9l l l l 1 l l a
B 73 2538748377843 H
94.28468476475 1
C
< < < 2< 323332433<
333 s
43 7940448231 572 2925521 860443 M
1 43333 34333 3 34 sC 5
66 468 1 05271 48 9
0462001 532634 M
-b 4 4< < < < < < < < < < < <
23333343324 N
5 55391 54077627 9
251 71 94305080 M
-r 7 5 4< 4< 54<6675566 Z
5 836631 1 3481 85 6
81 78487392285 M
-n 7765<465665776 Z
0 6981 241 665746 6
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9 621 3008639765 5
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a caAg b ml ai c
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r.
Atachment to l
OCAN059902 Page 81 of 101 Table 3.2 Sample Type: Drinkine Water Collection:- Quarterly Composite of Monthly Samples Analysis: Tritium Units: pCi/l i
Location: 14, City of Russellville (Indicator) l l
Lab Number Start Date End Date H-3 Reauired LLD +
2000
.980263 01/07/98 03/03/98
<490 980961 03/03/98 06/23/98
<501 981216 06/23/98 09/16/98
<483
'981606 09/16/98 12/09/98
<466 i
l
)
l
04 41 7420489756 0081 1 3875.328 M
1 -
4 4 4 4< 4< < < < < < < <
5434443 a
L 6 8.3 04 20891 9641 79 M
1 454404432l l l l l 1 l l l l l 8l aB 73 948 4929001 86 875491 1 90931 M
1 222323434333 sC 4
1 1 360267 41 48 3
868722493072 M
1 232333333323 sC 1
950361 744508 M
7 5 8 6 0.I. 086741 3
1 3463 3643343<
5 I
5 8 52082359976 9
340076069065 M
-b 3334234334< < <
33 N
5 1 41 8248 5861 2 9
25476991 3.521 r-g 5554<45565745 Z
5 282650236732 6-0 8241 3651 6083 n
3 6658558 87846 Z
0 68 287536631 8 6
337828867859 M
-o 23223< < < < < < < <
2333322 C
8 2401 04242873 5
0452641 1 9680 M
-o 33333333< 3< < < <
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9 205954361 777 5
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6 6 5< < < ( < <
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4 76348 4053655
)
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244.558052957 r
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tac i
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999999999999 e
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04 275 8776468 89 0768821 37627 M
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-r 5653355< < < < < <
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8 8 8 8 8 8 8 8 8 8 8 8 o
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/ / / / ////////
t ri 1 8 1 01 01 1 01 01
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323333333333 l
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/ ///////////
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/ / / / / // / / / / /
u t
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1 1 81 01 01 01 0 1
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m a
L 21 23 45678 901 1
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N 999999999999
\\<
l i
l Attachment to -
]
OCAN059902 1
- Page 84 of 101 l
Table 4.3 l
Sample Type: Surface Water Collection: Quarterly Composite of Monthly Samples Analysis: Tritium Units: pCi/l l
l Location Lab Number Begin Date End Date H-3 Reauired LLD ->
2000 08, Discharge Bay (Indicator)
- 980128 12/31/97 01/31/98 2230 i 265 08, Discharge Bay (Indicator) 980382 12/31/97-03/31/98 1910 i 260 08, Discharge Bay (Indicator) 980834 03/31/98 06/30/98
<484 i
08, Discharge Bay (Indicator) 981278 06/30/98 09/30/98
<489 08, Discharge Bay (Indicator) 981686 09/30/98 12/31/98
<476
]
I 10, Intake Canal (Control)
- 980129 12/31/97 01/31/98
<488 10, Intake Canal (Control) 980383 12/31/97 03/31/98 305 i 218 10, Intake Canal (Control) 980835 03/31/98 06/30/98
<486 10, Intake Csnal (Control) 981279 06/30/98 09/30/98
<491 10, Intake Canal (Control) 981687 09/30/98 12/31/98
<479 i
i l
)
l 1
- One-time monthly analysis requested by ANO.
0 4
8203 M
1 400 1 -
4345 o
L 0
4 0200 M
1 5243 l l 1 1 a
B 73 431 7 9432 M
1 2334 sC 43 7938 M
523.5 1
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5 681 4 9
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5 321 2 9
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r 4556 Z
5 0502 6
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0 9692 6
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5.4771 1
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B 73 53335 56037 M
1-32432 s
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73 4036 01 4362 0
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e e e
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8 8 8 0 0 66 AOP TSCAU 000 1 1 1 1
i Attachment to OCAN059902' Page 89 of 101 Table 8.1 Sample Type: Venetation Collection: - At Time of Harvest Analysis: Iodine-131 and Gamma -
Units: pCi/kg Location Lab Number Collection Date I-131 Cs-134 Cs-137 Reauired LLD -)
60 60 g
13, Flatwood Road (Indicator) 980723 06/12/98
<34.4
<35.0
<30.1 13, Flatwood Road (Indicator) 980885 07/10/98.
<57.8
<50.5
<59.0 13, Flatwood Road (Indicator) 981009 08/07/98
<36.2
<46.7
<47.5 45, Intake Canal (Indicator) 980724 06/12/98
<41.7
<37.8
<29.1 45, Intake Canal (Indicator) 980884 07/10/98
<47.6
<57.5
<59.1 45, Intake Canal (Indicator) 981010 08/07/98
<49.6
<33.6
<29.7
e
. Attachment to OCAN059902 Page 90 of 101 Table 9.1 Sample Type: Food Products
. Collection: At Time of Harvest Analysis: Iodine-131 and Gamma Units:= pCi/kg Location Lab Number Collection Date I-131 Cs-134 Cs-137 Reauired LLD =>
69 gg
!_0 48, Cochran Residence (Indicator) 980791 06/23/98
<25.9
<l6.3
<22.5 980792 06/23/98
<26.4
<21.8
<22.4 980793 06/23/98
<20.7
<l4.5
<l2.6 980794 06/23/98
<22.2
<16.7
<31.3 51, Rye Residence (Indicator) 980861 07/08/98
<17.8
<l4.5
<17.1 980862 07/08/98
<16.6
< l 7.6
<20.3 980863 07/08/98
< 16.7
< 17.9
<13.5 108, Shivers Residence (Indicator) 980858 07/08/98
<l9.2
<8.91
<21.2 980859 07/08/98
<l7.3
<24.5
<19.7 980860 07/08/98
<l9.8
<l 6.0
<11.1 4
L
1 i
Attachm:nt to i
OCAN059902 Page 91 of 101 Table 10.1 Sample Type: Thermoluminescent Dosimeters Collection: Quarterly
{
Analysis: Direct Dose j
Units: mrem /Qtr Location: 0 - 2 MILE TLDs (Indicators)
Station :
l1st Qtr '98 -
2nd Qtr '98 3rd Qtr '98 -
14th Qtr '98
. mrem) ;
(mrem) l (mrem).
f(mrem)
(
1 11.0 10.0 12.0 12.0 2
11.0 10.0 11.0 12.0 3
10.0 8.0 10.0 11.0 4
9.0 8.0 10.0 11.0 108 11.0 9.0 10.0 11.0 109*
12.0 10.0 11.0 13.0 110 11.0 9.0 10.0 11.0 113 10.0 9.0 10.0 10.0 114 11.0 9.0 10.0 11.0 115 12.0 9.0 11.0 12.0 t
116 10.0 9.0 11.0 11.0 l
MEAN'
' 10.7 :
. 9.1 10.5.
11.4 L l
l
- Location with highest annual mean.
i
Attachmsnt to OCAN059902 Page 92 of101 Table 10.2 Sample Type: Thermoluminescent Dosimeters Collection:- Quarterly Analysis: Direct Dose Units: mrem /Qtr Location: 2 - 5 MILE TLDs (Indicators)
- Station
-1st Qtr ?98 -
- 2nd Qtr '98 3rd Qtr '98
'4th Qtr '98 (mrem).
(mrem)
(mrem)
(mrem)
I i11 9.0 7.0 7.0 9.0 112 12.0 11.0 12.0 a
119 10.0 8.0 10.0 11.0 120 10.0 7.0 8.0 10.0 121 11.0 8.0 10.0 12.0 122 10.0 8.0 10.0 10.0 123 11.0 7.0 8.0 9.0 124 **
13.0 11.0 12.0 12.0 130 10.0 7.0 7.0 9.0 131 9.0 6.0 8.0 9.0 133 7.0 5.0 6.0 7.0 134 10.0 8.0 10.0 10.0 135 10.0 8.0 7.0 10.0 136 10.0 8.0 10.0 11.0 141 8.0 5.0 6.0 8.0 MEAN1 10.0-
-7.4 8.7-9.9 -
See Missed Samples in Summary of Monitoring Results.
- Location with highest annual mean.
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Attachment to OCAN059902 j
Page 93 of101 I
l Table 10.3 l
Sample Type: Thermoluminescent Dosimeters Collection: Quarterly Analysis: Direct Dose Units: mrem /Qtr Location: >5 MILE TLDs (Controls)
~ Station:
_1st Qtr '98 '.
2nd Qtr '98; 3rd.Qtr '98 -
4th Qtr '98
_.(mrem);
(mrem)-
- (mrem) '
(mrem).
5 10.0 8.0 11.0 12.0 6
11.0 8.0 8.0 11.0 7
10.0 8.0 8.0 9.0 l
117 10.0 6.0 7.0 8.0 118 10.0 7.0 10.0 10.0 125 8.0 7.0 7.0 8.0 l
76 11.0 8.0 10.0 12.0 127 11.0 9.0 10.0 11.0 128 11.0 10.0 10.0 13.0 129 11.0 9.0 11.0 12.0 132 8.0 8.0 10.0 137 12.0 11.0 12.0 138 9.0 6.0 7.0 9.0 139 11.0 8.0 8.0 11.0 140 11.0 9.0 10.0 12.0 142 10.0 7.0 8.0 10.0 143 11.0 9.0 8.0 12.0 l
144 12.0 9.0 8.0 11.0 MEAN-10.5 8.0 -
8.9.
10.7'
- See Missed Samples in Summary of Monitoring Results.
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Attachnunt to OCAN059902 Page 94 of101 Table 11.1 Sample Type: Interlaboratory Comparison Frequency: Varies Analysis: Varies Sample Type Study Date Analysis Known RBS RBS RBS (units)
Value '
Value N-De."
N-Range
- Air Filter E1514-125 09/24/98 Beta 62 i 17.3 55.1
-1.19 0.063 (pCi/ filter)
E1599-125 12/10/98 Beta 52 i 17.3 49.9
-0.36 0.012 Charcoal Cartridge E1367-125 03/12/98 1-131 134 1 23.2 135 0.17 0.176 (pCi/ cartridge)
E1401-125 06/11/98 I-131 62 i 10.7 60.4
-0.44 0.219 EIS15-125 09/24/98 I-131 85 i 14.7 86.2 0.25 0.535 E1600-125 12/10/98 I 131 79 i 13.7 78.7
-0.07 0.179 Water E1364125 03/12/98 Beta 269 i 69.9 254
-0.63 0.337 I
(pCi/ liter)
E1365-125 03/12/98 H3 2398 i 608.6 2405 0.03 0.442 E1366-125 03/12/98 Cr-51 167 i 14.5 157
-2.14 1.415 Mn 54 111 i 9.61 115 1.25 0.213 Fe-59 79 i 8.66 83.9 1.71 0.780 Co-60 71 i 8.66 73.4 0.83 0.118 i
Zn-65 118 i 20.4 122 0.64 0.400 1 131 90 i 15.6 93.3 0.64 0.348 Cs-134 70 i 8.66 70.9 0.31 0.224 Cs-137 134 i 11.6 134 0.09 0.088 Cc-141 58 i 8.66 59.1 0.39 0.543 E1368-125 03/12/98 Cr-51 167 14.5 158
-1.94 1.839 (duplicate)
Mn-54 111 i 9.61 118 2.29 0.532 Fe-59 79 i 8.66 78.8
-0.06 0.473 Co-60 71 i 8.66 74.I 1.07 0.508 Zn-65 118 1 20.4 120 0.34 0.100 I-131 90 15.6 103 2.44 0.912 Cs-134 70 8.66 70.5 0.17 0.083 y
Cs-137 134 i 11.6 137 0.78 0.176 Ce-141 58 i 8.66 52.6
-1.88 1.689
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Attachm:nt to OCAN059902 Page 95 of 101' Table 11.1 Sample Type: Interlaboratory Comparison Frequency: Varies Analysis: Varies Sample Type Study Date Analysis Known RBS RBS RBS (units)
Value "
Value N-Dev" N-Range
- Water E1398-125 06/11/98 Beta 243 i 63.1 224
-0.90 0.292 (pCi/ liter)
E1399-125 06/11/98 H3 6007 i 1041 5830
-0.51 0.146 E1400-125 06/11/98 Cr-51 150 13.0 157 1.62 0.945 Mn-54 121 i 10.5 127 1.62 0.195 Fe-59 52 i 8.66 58.0 2.08 1.016 Co-60 164 i 14.2 174 2.04 0.504 Zn-65 139 i 24.I 151 1.54 0.297 I-131 62 10.7 64.6 0.74 0.200 Cs-134 108 1 9.35 117 2.89 0.438 d
Cs-137 8018.66 89.0 3.12 0.177 Ce-141 ll3 i 9.79 111 0.51 0.105 E1402-125 06/11/97 Cr-51 150 i 13.0 148
-0.46 2.678 4
(duplicate)
Mn-54 121 i 10.5 129 2.39 0.293 Fe-59 52 i 8.66 52.8 0.29 0.898 Co-60 164 i 14.2 171 1.55 0.288 Zn-65 139 1 24.1 147 1.00 0.382 1-131 62 i 10.7 65.8 1.07 0.343 Cs-134 108 1 9.35 113 1.60 0.766 Cs-137 80 i 8.66 84.3 1.50 0.106 Ce-141 113 1 9.79 115 0.72 0.627
Attaciunent to 0CAN059902 Page 96 of 101 Table 11.1 Sample Type: Interlaboratory Comnarison Frequency: Varies Analysis: Varies Sample Type Study Date Analysis Known RBS-RBS RBS 6
(units)
Value "
Value N-Dev N-Range '
d Water E1512-125 09/24/98 Cr-51 165 i 14.3 139
-5.46 0.716 (pCi/ liter)
Mn-54 66 i 8.66 66.6 0.22 0.732 Fe 59 55 8.66 57.2 0.76 1.146 Co-60 131 i 11.4 133 0.44 0.451 Zn-65 173 i 30 178 0.50 0.068 I131 79113.7 79.5 0.10 1.622 Cs-134 7318.66 69.3
-1.28 1.087 Cs-137 119 i 10.3 114
-1.36 0.099 Ce-141 129 i ll.2 129 0.00 0.733 d
E1516-125 09/24/98 Cr-51 165 i 14.3 144
-4.48 1.933 (duplicate)
Mn-54 66 i 8.66 64.5
-0.51 0.154 Fe-59 55 i 8.66 63.0 2.78 0.543 Co-60 131 i 11.4 130
-0.35 0.631 l
2n-65 173 30 173
-0.03 0.376 l
I131 79113.7 83.7 1.04 0.965 d
l Cs-134 7318.66 64.2
-3.06 1.051 l
Cs-137 119 i 10.3 111
-2.33 0.298 Ce-141 129 1 11.2 128
-0.18 1.557
Attachment to 0CAN059902 Page 97 of 101 Table 11.1
. Sample Type: Interlaboratory Comparison Frequency: Varies Analysis: Varies Sample Type Study Date
_ Analysis Known RBS RBS RBS b
(units)
Value
- Value N-Dev N-Range
- Water.
E1597-1.25 12/10/98 Cr-51 1020 i 88.3 1039 0.66 0.556 (pCi/ liter)
Mn-54 147 i 12.7 156 2.12 0.643 Fe-59 153 i 13.3 164 2.41 0.849 Co-60 185 i 16.0 191 1.19 0.255 Zn-65 145 i 25.1 143
-0.20 0.041 I-131 64 i 11.1 62.0
-0.53 0.803 Cs-134 228 19.8 232 0.56 0.259 Cs-137 190 i 16.5 198 1.40 0.062 Cc-141 774 i 67.0 798 1.09 0.336 E1601-125 12/10/98 Cr 51 1020 i 88.3 1063 1.47 0.208 (duplicate)
Mn-54 147 i 12.7 157 2.36 0.402 d
Fe-59 153 i 13.3 182 6.57 1.235 Co-60 185 i 16.0 192 1.25 0.639 Zn-65 145 i 25.1 149 0.48 1.141 1 131 64 11.1 69.7 1.55 0.535 Cs-134 228 i 19.8 246 2.79 0.311 Cs-137 190 i 16.5 197 1.28 0.870 Cc-141 774 i 67.0 796 1.00 0.412 l
Attachm:nt to OCAN059902 Page 98 of101 Table 11.1 Sample Type: Interlaboratory Comparison l
Frequency: Varies Analysis: Varies -
Sampic Type Study Date Analysis Known RBS RBS RBS (units)
Value
- Value N-Dev N-Range *
)
6 Sediment E1513-125 09/24/98 Cr-51 0.352 i 0.030 0.344
-0.79 1.054 d
(PCi/ gram)
Mn-54 0.140 i 0.012 0.154 3.4 I 0.894 Fe-59 0.119 i 0.010 0.118
-0.42 1.003 Co-60 0.281 i 0.024 0.291 1.25 0.555 Zn-65 0.369 i 0.064 0.383 0.64 0.311 Cs-134 0.156 i 0.014 0.149
-1.61 1.128 Cs-137 0.381 1 0.033 0.371
-0.91 0.353 Cc-141 0.275 i 0.024 0.279 0.51 0.872 E1598-125 12/10/98 Cr-51 1.78 i 0.154 1.680
-1.95 0.604 Mn-54 0.259 i 0.022 0.273 1.90 1.086 Fe-59 0.269 i 0.023 0.263 0.75 0.580 Co-60 0.324 i 0.028 0.332 0.86 0.620 Zn-65 0.255 1 0.044 0.267 0.82 0.896 Cs-134 0.400 1 0.035 0.371
-2.54 0.372 Cs-137 0.460 i 0.040 0.484 1.84 0.452 Ce441 1.360 i 0.118 1.356
-0.10 0.903 l
NOTES:
(a)
The "known" values are listed with a range reflecting control (3 sigma) limits.
(b)
The normalized deviation from the "known" value is computed from the desiation and the standard error of the mean; *2.000 is the warning limit and *3.000 is the control limit. This is a measure of accuracy of the analytical methods.
(c)
The normalized range is computed from the mean range, the control limit, and the standard error of the range; +2.000 is the warning limit and +3.000 is the control limit.
This is a measure of precision of the analytical methods.
(d)
The results reported were out of the control limits; refer to the discussion on program exceptions.
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Attachment to l-OCAN059902 L
Page 99 of101 i
4 Pronram Esceptions:
{
There were six results out of control limits (3 sigma) for accuracy in the 1998 cross-check program. Of these six out of control limit results, 'all were analyzed by gaimna spectroscopy'(5 nuclides in two matrices). Five of the results in question were in liquid
)
cross-check samples, one in a sediment sample. All six results in question were bias high.
There was a single result for Mn-54 in sediment out of control limits, with a slight high bias (+1.68) trend indicated after review of only six results in the past three years.- Review of the cross-check results'for three years (23 results) indicated a low bias (-1.11) for Cr-51 in water, even though there were only two results out of control limits. The review also indicated a slight high bias (+1.91) for Fe-59 in water over the same three year period. Cs-134 and Cs-137 results in water indicate no trends over the three year period l
' Investigation of high bias results in the past indicated it was due to coincidence summing i
effects of Y-88 and Co-60 on the efficiency curve in the effected region. To minimize the coincidence summing effects on the efficiency curve, RBS added two additional nuclides (Mn-54 and 2n-65) to the set ofliquid calibration sources. Cross-check samples for 1998 were not analyzed using the new nuclide mix since the new sources were not purchased until the end of 1998.- New gamma efficiency curves have been established using the new nuclide mix sources, and will be used to analyze cross-check samples in 1999.
There is no impact on past data indicated by these cross-check program exceptions.
Environmental samples are analyzed and reported with a 95% confidence level that the analytical result.with its associated error encompasses the "true" value. Ninety-seven percent of RBS environmental cross-check results are within control limits for accuracy and precision.
e; I)
Attaciunent to
~ OCAN059902 l:
L Page 100 of101 ll' i..
I, 1
l.
1 ATTACHMENT 2
' Sediment Dose Calculations 4
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' Attachment to
. OCAN059902-Page 101 of 101 Sediment Dose Calculations Dose calculation for the discharge sediment was performed using generalized equation found in Regulatory Guide 1.109, Appendix A as follows:
R = (40) x (C) x (U) x (D) x (w)
R = Annual dose to skin or total body in mrem / year; 40 = Area-mass conversion factor given in Appendix A of Regulatory Guide 1.109 in Kg/m2; C = 1998 maximum radionuclide concentration in pCi/kg; U = Maximum exposure time given in Table E-5 ofRegulatory Guide 1.109 (67 hours7.75463e-4 days <br />0.0186 hours <br />1.107804e-4 weeks <br />2.54935e-5 months <br /> for teenager);
D = External dose conversion factor for standing on contaminated ground given 2
in Table E-6 of Regulatory Guide 1.109 in mrem /hr per pCi/m, and W = Shore-width factor (0.1) given in Table A-2 of Regulatory Guide 1.109.
(Dose from Sediment in Millirem / Year)
Radionuclide 1998 Maximum Conversion Factor Total Conversion Factor Total Concentration For Skin Skin Dose For Total Body Body Dose Co-60 163.0 2.00 E-08 8.74 E-04 1.70 E-08 7.43 E-04 Cs-134 45.0 1.40 E-08 2.06 E-04
- 1.20 E-08 1.77 E-04 Cs-137 950.0 4.90 E-09 1.25 E-03 4.20 E-09 1.07 E-03 TOTA 2.33 E-03 1.99 E-03 l
I