NRC-91-0051, Annual Radiological Environ Monitoring Rept

Annual Radiological Environ Monitoring Rept

ML20073G474
Person / Time
Site:	Fermi
Issue date:	12/31/1990
From:	Catola S DETROIT EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CON-NRC-91-0051, CON-NRC-91-51 NUDOCS 9105030330
Download: ML20073G474 (103)

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April 30, 1991 NRC-91-0051 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D. C. 20555

Reference:

Fermi 2 NRC Docket No. 50-341 NRC License No NPF-43

Subject:

Annual Radiological Environmental Operating Report Pursuant to section 6.9.1.7 of the Technical Specifications, please find attached the 1990 Annual Radiological Environmental Operating Report for Fermi 2.

If you should have any questions or comments regarding this report, please contact Joseph Pendergast, Compliance Engineer, at (313) 586-1682.

Sincerely, MW cc: A. B. Davis R. W. DeFayette W.'G. Rogers (w/ encl.)

J. F. Stang (w/ encl.)

Region III (w/ encl.)

9105030330 90123i PDR ADOCK 05000341 R PDR

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FE9VI 2 I

l 1990 AhhUAL RADIOLOGICAL EhVIRONMENTAL 1 MOhlTOllhG REPORT Detroit Edison Company

TABLE OF CONTENTS Section Page List of Tables iv List of Figures v 1.0 Introduction 1 k 2.0 Radiological Environmental Monitoring Program 4 2.1 Regulatione 2.2 Pre-operational Program 2.3 operational Program 2.4 Quality control 3.0 Terrestrial Monitoring Program 6 3.1 Introduction 3.2 Direct Radiation 3.3 Air Sampling 3.4 Milk and Grace Sampling 3.5 Garden Sampling Program 4.0 Aquatic Monitoring Program 11 4.1 Introduction 4.2 Drinking Water Sampling 4.3 Surface Water Sampling 4.4 Cround Water Sampling 4.5 Sediment Sampling 4.6 Fish Sampling 5.0 Land Use census 15 5.1 1990 Land Use censue 5.2 Resulte 6.0 Program Execution 20 6.1 Thermoluminescent Dosimetry 6.2 Air Sampling 6.3 Milk and Grace Sampling 6.4 Water Sampling 6.5 -Laboratory Deviatione 7.0 Program Summary 24 11

l TABLE OF CONTI;NTS-(cont.)

.Section Page 1 8.0 sampling Locations 31 9.0 Data Tables 48 ,

l 10.0 Appendices 86 l Appendix A Interlaboratory comparison Results Appendix B Summary of Higher Than Expected I-131 in Environmental Hilk Samples 111

List of Tables Page Table 5.0-1 Residences 17 Table 5.0-2 cardens 18 Table 5.0-3 Hilk Locations 19 Table 7.0-1 Radiological Environmental Monitoring Program Summary 25 Table 8.0-1 Direct Radiation 32 Table 8.0-2 Fish and Sediment Locations 38 Table 8.0-3 Milk /arass Sample Locations 39 Table 8.0-4 Water Sample Locat!.ons 40 Table 8.0-5 Air Particulate / Air Iodine Sample Locations 41 Table 8.0-6 Food Products Sample Locations 42 Table 8.0-7 Land Use Census 43 L ,

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List of Figures Page Figure 1 Sampling Locatione By-Station Number 44 (Site Area) l Figure 2 Sampling Locations By Station Number 45 l

(Greater Than 10 Miles)

Figure 3 Sampling Locations By Station Number 46 l (Less T' tan 10 Miles) l 1

Figure 4 Sampling Locations By Station Number 47 l (Site Area - Lake Erie) v

r:rmi 2 1990 Annu:1 Ridicitgical Envir:na:ntc1 Honitsring R: port 1.0 Introcuction Page 1 Rev. O, 04/18/91

Forni 2 1990 Annual Radiological Environmental Monitoring Report

1.0 INTRODUCTION

This report was prepared by the Detroit Edleon Company in compliance with the requirements of the U.S. Nuclear Regulatory Commiselon (NRC).

This is a partial report, because of incomplete sample results.

In 1990, Detroit Edison had a contract with a vendor laboratory perform analytical analysis of the environmental samples for the Radiological Environmental Monitoring Program (REMP). To date, approximately 75% of all camples collected have been analyzed and reported by the vendor.

All thermoluminescent dosimeter (TLD) results are included in this report. Upon the completion of the sample analysee by the vendor, a supplemental report will be submitted to the NRC.

The Fermi 2 REMP was established by Detroit Edison in 1978. Until the time that Fermi 2 was operational in 1985, the program provided for acquiring environmental data in order to establish a pre-operational baseline.

Since Fermi 2 is in operation, the REMP has been modified to focus on acquiring environmental data from monitoring and campling locatione most likely to indicate if there were any measurable effects to the environment from operating Fermi 2. These monitoring and sampling locations are called indicator locations.

Detroit Edison also collecto data from environmental monitoring and sampling locations which are distant from Fermi 2. These locations are consi6ared to be outside the area which might be affected by Fermi 2 operations. These distant monitoring and sampling locations are called control locatione.

In 1990, Detroit Edison collected more than 900 environmental indicator and control camples and contracted more than 1200 analyses as part of the REMP. This report contains the tabulated summaries of those sampling and analysis resulte reported by the lab to date.

Throughout the - year, the Det olt Edloon Radiological Environmental staff at Fermi 2 collectn and compares the environmental indicator data with the control data. This comparison is used to determine if there have been any measurable effects in the environment which are related to operating Fermi 2. Any significant differences between the indicator data and the control data are reported to the NRC.

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Fcrni 2 1990 Annucl Radiological Environmental Monitoring Report In 1990, there were no significant differences found between indicator and centrol environmental monitoring data related to operating Fermi 2.

The low levels of radioactive material which were detected in samples have been attributed mainly to naturally-occurring radioactivity or fallout from past nuclear weapone testing, although low levels of radioactivity detected in some sediment camples could be the result of operating Termi 2.

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rcrai 2 1990 Annuni Radic1cgicci Envircnncatal Monitoring Report 2.0 Raciological Environmental Monitoring Program t

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Fermi 2 1990 Annuti Radiolegic,1 Envirotunental Monitoring Report 2.0 RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 2.1 REOULATIONS Title 10 of the Code of Federal Regulatione (CFR) Part 50, Appendix I, ,

Section IV.B requires that Detroit Edison establish an appropriate l surveillance and monitoring program to accure that radiorctive producte released to the environment are kept at extremely low levels, section 20.201 of 10 CFR Part 20 further requires that a liconoce conduct l surveys of levels of radiation or concentratione of radioactive products as necessary to show compliance with Commiselon regulations. l l

l 2.2 PRE-OPERATIONAL PROGRAM The pre-operational environmental monitoring program was established seven years before operating the Fermi 2 reactor. This pre-operational program determined the existing levels of radiation and radioactive products occurring naturally and from man-made sources in the environment around the Fermi 2 site. The program included continuous monitoring of direct radiation, radioactivity in air, lake sands and water, drinking water, cow and goat milk, and local garden vegetables.

2.3 OPERATIONAL PROGRAM The elements that made up the pre-operational monitoring program are still in effect today. The pre-operational program became the operational program in June of 1985 when initial criticality was achieved for the Fermi 2 reactor. The sampling and analysis program in the operational phase still continuously monitore direct radiation, radioactivity in air, lake cande and water, drinking water, cow and goat milk, and local garden vegetables.

2.4 -QUALITY CONTROL Detroit . Edison participates in a Nuclear Regulatory Commission (NRC) approved interlaboratory comparison program. In this program, simulated environmental camples are prepared by the Quality Assurance Branch of the Environmental Protection Agency (EPA) and sent to the Fermi 2 REMP laboratory. The laboratory performs the required analysis and returns the results to the EPA. The EPA performs a statistical analysis and comparison to known values and returne the results to the laboratory. If the resulte do not fall within allowable limite, the laboratory's methode and techniques are re-evaluated. The results of this program are reviewed by Detroit Edison and are reported to the NRC. The interlaboratory comparison program results for 1990 are provided in Appendix A.

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Fervai 2 1990 Annual Radiological Environmental Monitoring Report I

3.0 Terrestrial N onitoring Program Page 6 I Rev. O, 04/18/91 l

y F0rmi 2 1990 Annu 1 Ridic1tgiccl Environmental Monitoring Report 3.D TERRESTRIAL HONITORING PROGRAM

3.1 INTRODUCTION

The terrestrial monitoring program provides continuous monitoring for radioactivity in the land environment. The results of the monitoring program provide for a direct comparison of the offects of Termi 2 on a short term basis (i.e. weekly), and a review of long term trends over the course of operation tor Fermi 2. The following sections discuss the type of sample, enalysis performed, a review of short and long term trends, and a comp *,tison to previous years' data including pre-operational samples.

3.2 DIRECT RADIATION  ;

The most widely used continuous monitoring device in the environmental program is the thermoluminescent dosimeter (TLD). The TLDs are subjected to strict testing requirements of the Nuclear Regulatory Commission (NRC) before they are used in the field. The environmental TLDs are located around Fermi 2 to monitor radiation due to gaseous radioactivity and direct radiation rssulting from operating Fermi 2.

In 1990, the TLD monitoring program included forty-six (46) TLDs for the first three quarters, and sixty-three (63) TLD6 in the fourth quarter.

In the fourth quartor, an additional seventeen (17) TLDs were placed in the field to enhance the direct radiation monitoring program. Eight (8) TLDs were placed around the site boundary, six (6) were placed at schools within five miles of the plant and three (3) additional TLDs were placed at the ten mile radius.

The TLDs were collected once each calendar quarter and sent to the environmental laboratory for analysis. The results of the analyses were sent to Fermi 2 for comparison and trending.

In 1990, the TLDs nearest the plant indicated a mean value of 14.7 millirem per quarter. The TLDs considered not to be affected by operating Fermi 2, (i.e., control TLDs) indicated a mean value of 13.9 millirem per quarter. The indicating TLDs ranged from 6.7 to 36.8 millirem per quarter and the control TLDs ranged from 9.5 to 18.2 millirem per quarter.

In the period 1983 through 1989 (two years before operating Fermi 2 through five years after) the annual radiation mean for all indicating TLDs was 18.l' millirem per quarter. For this period, the indicating TLDs ranged from 8.7 to 36.6 millirem per quarter. The control locations covering the same period had an annual mean exposure of 18.9 millirem per quarter. Tha control TLDs varied from 9.2 to 35.5 millirem Page 7 Rev. O, 04/18/91 l

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r0rai 2 1990 Annual R:dielegicci Environmental Monitoring Report per quarter for the same period. The ranges of the 1990 TLDs are consistent with the ranges of previous years.

3.3 AIR SAMPLING Detroit Edison continuously monitore the air near Permi 2 for radioactivity. The atmospheric monitoring program devoleted for Termi 2 has continuously sampled the air since 1979. Four (4) of the five (5) air sampling sites selected for monitoring were based on the evaluation of predominant wind directions. A fifth location was selected approximately 14 miles west of the plant and is considered to be unaffected by operating Termi 2.

During 1990, two hundred and fifty-nine (259) air earnples were collected and one hundred ninety-four (194) were counted for groes beta radioactivity. The average gross beta radioactivity was 0.022 pCL per cubic meter of air sampled for all indicating air sampic locations.

The averago gross beta radioactivity for the controlling location in 1990 was 0.022 pCi per cubic meter of air sampled. The range of the indicating locations in 1990 was 0.010 to 0.042 pCi per cubic meter of air sampled. The range of the controlling location was 0.012 to 0.036 pci per cubic meter of air campled, which in equivalent to the range of the indicating locations.

From 1983, (two years before operating Fermi 2) through 1990, the annual average gross beta radioactivity f or indicating locatione near the plant was 0.023 pCi por cubic meter of air campled. The annual mean grose beta radioactivity for the control location for the same eight (8) year period was 0.023 pci por cubic meter of air campled.

The range of thu annual average groen beta radioactivity for sample locations near the plant was from 0.004 to 0.089 pC1 por cubic meter of air sampled. The annual average gross beta radioactivity for the control location ranged from 0.005 to 0.089 pCi por cubic meter of air sampled.

During 1990, two hundred and fifty-nine (259) charcoal containers were collected and one hundred ninety-four (194) were counted to determine the presence of radiciodine in the atmosphere. None of the containers showed detectable levels of radiciodine. The Fermi 2 Technical Specification (Tech Spec) Lower Limit of Detection (LLD) is 0.07 pci por cubic meter of air campled.

Ten (10) composite earnples for each individual atmospheric sampling station were counted. One control sample showed detectable activity for St-89 and one indicator sample showed detectable activity for Co-137 just, above the lab's LLD but below Fermi 2 Tech Spec LLD. This activity is most likely due to statistical variation or reeldual fallout from weapone testing. All other gamma or beta emitting radioactivity that was detected was due to naturally occurring isotopes.

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l Forni 2 1990 Annusi Radiological Environmental Honitoring Report 3.4 HILK K D GRASS SAMPLING During 1990, fifty-two (52) milk camples were collected irom farme participating in the Fermi 2 environmental program. To date, forty (40) samples have been analyzed and reported by the lab. In May ano June, six (6) samples, including the Quality control sample, at all control and indicating locations were reported as having I-131 activity greater than the Fermi 2 Tech Spec LLD of 1.0 pci/1. The range of these camples was 1.09 to 17.00 pct /1. After a detailed investigation, it was determined that the 1-131 concentrations in milk for May and June were not due to operating Fermi 2. A summary of this evaluation le included in Appendix B. Additionally, the control sample for July showed detectable activity for 1-131 which is believed to be related to the May and June activities. This sample is not discussed in the rummary due to the sample not being reported at the time of the investigation. The remaining samples showed no detectable I-131 activity.

One cample showed a detectable activity of 5.55 pC1/1 for Co-58. The range for the lab's LLDe was 3.5 to 11 pCL/1. This activity falls within this range and is most likely due to statistical variation or fallout from weapone testing.

Two camples showed detectable activity for Co-60. One cample was 14.7 pCi/l and the other was 10.2 pC1/1. The range for the lab's LLDs was 6.0 to 17.0 pCi/1. This activity falle within this range and is also moet likely due to statistical variation or fallout from weapons testing.

Analyses of Sr-90 and co-137 showed activity in both control and indicator locations. Fermi 2 started sampling for Sr-90 in 1988 and the levels of activity reported for 1990 are consistent with previous years and are most likely due to residual fallout from weapons testing. Four (4) samples were reported having detectable activity for Cc-137. The range of these camples was 3.52 to 7.06 pCL/1. The range for the lab's LLDo was 4.3 to 13.0 pC1/1. The cample results were within or below this range and are mostly likely due to statistical variation or fallout from weapone testing.

During March 1990, the milk sampling control location at 7512 N.

Custer Rd. (Doty Farm) sold their dairy cattle, and subsequently dropped out of our program. A new control location was identified in April at 9334 Finzel Rd. (Calder Farm) . The Calder Farm location in 15.74 km distant from the reactor and at 287 degrees WNW, is in approximately the sector with the least prevalent wind direction as determined by 1989 ten and sixty meter annual vind roses. The Calder Farm was campled for the first time in May for milk and grace.

During 1990, thirty-six (36) grace camples were taken with milk camples. Grace camples were taken in addition to milk each sampling period from the control milk location and also in lieu of milk from the Page 9 Rev. O, 04/18/91

rcrmi 2 1990 Annusi Rcdiologicci Environmental Monitoring Report  !

I calculated critical receptor location since this residence declines to l participate in our program. All indicator location samples showed no )

detectable activity. One sample from the control location showed 42 1 l

pC1/kg for Co-137 which was just above the lab's LLD but below Terni 2 Tech spec LLD. The range of the lab's LLD for Cs-137 was 14 to 85 '

pCi/kg. This activity f alls within this range and is most likely due to statistical variation or fallout from weapons testing. l In 1983, Cesium-137 was detected in both milk and grass samples which was attributed to weapons testing. Also, in 1986 and 1987 Cesium-137 and Iodine-131 were detected in various concentrations. This activity was attributed to the Chernobyl accident.

3.5 0ARDEN SAMPLING PROGRAM During 1990, twenty-three (23) vegetable samples were collected. One indicator sample showed 36.8 pci/kg co-60 which was just above the lab's LLD. The range of the lab's LLD for co-60 was 24 to 59 pci/kg.

This activity falls within this range and is most likely due to statistical variance in sample counting. All other sample results showed no detectable activity.

In years 1983 through 1989, no activity has been detected in vegetable samples due to operating Fermi 2.

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Forni 2 .1990 An:usi medictsgical savirons, ental Monitoring Report 4.0 Aquatic Monitoring Program l

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F0rsi 2 1990 An2usi Ridisirgical Environmental Monitoring Report  ;

4.0 AQUATIC MON!!CRING PROGRAM

4.1 INTRODUCTION

The aquatic monite, ring program provides continuous monitoring of the aquatic environment of Termi 2. At Fermi 2, the dominant feature of the aquatic environment is Lake Erie, on which the plant site borders.

The aquatic environment also includes other surface waters, such as the Detroit River, groundwater (i.e. wells) near the plant, fish, and lake eediments.

4.2 DRINK!No WATER SAMPLING During 1990 twenty-four (24) drinking water samples were colleeted from the drinking water supplies of Detroit and Monroe. To date,-eighteen (18) samples have been analysed and reported. Water samples obtained at the Monroe water irstake are considered indicator locations. The Detroit city water intake located in Allen park, Michigan is considered not to be affected by liquid discharges from Termi 2. Therefore, Detroit Edison considers- the Detroit city water intake to be the control location for the aquatic monitoring program.

In all the samples examined by gamma spectroscopy, two samples were reported by the lab as having detectable activity for Co-G. One sainple was 6.38 and the other was 5.79 pCi/1. The reported range of the lab's lower limit of detection (LLD) for co-60, however, was 8.3 to 15.0 pC1/1. 'since the reported activity f alls below this range, it is most likely due to statistical variance in counting due to the random nature of radioactivity decay.

The gross beta radioactivity analysis performed on these same samples indicated a mean concentration of 3.1 pCi per liter of water sampled for the Monroe water intake. The gross beta ranged from a low of 2.2 to a high of 4.4 pCi per liter of water sampled. Although slightly higher than the samples collected at the control station these activity levels are not significantly different from those observed during the previous sampling years. The samples collected at the control station (the Detroit water intake) indicated a mean of 2.6 pCi per liter of water sampled and ranged from a low of 1.9 to a high of 3.0 pC1.

Sampling data for 1983 through 1990 show an annual rnean gross beta radioactivity of 3.0 pci per liter for- the indicating location. The gross beta radioactivity measured in theso years ranged from a low of 1.6 to a high of 6.9 pCi per liter of water sampled. The annual meaa grose beta' radioactivity for the control station for the same period is 2.6 pCi per liter of water sampled.- The gross beta radioactivity range for these years is a low of 1.4 to a high of 6.3 pCi per liter of water sampled. Those samples analyred in 1990 were within the ranges of the previous years.

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Farsi 2 1990 An;usi Ridi91Cgio31 Environmental Monitoring Report In 1990, no tritium activity was detected in the indicating or control location samples. The termi 2 Technical Specification lower limit of detection for tritium in water is 2000 pCi per liter. In samples collected as these same locations before operating Fermi 2, the average tritium concentration of the indicator and control Itcations were below the LLD.

4.3 SURTACE WATER SAMPLING During 1990 twenty-three (23) surf ace water samples were collected at the Fermi 1 intake and the Trenton Channel Power Plant. To date, seventeen (17) samples have been analyzed and reported by the lab. In 1990, as in previous sampling years 1983 to 1989, no gamma emitting isotepen greater than the termi 2 Technical specification lower limits of detection were detected at the indicating surf ace water location (Termi 1 intake). The first quarter composite sample showed an activity of 16.3 pC1/1 for tritium. The lab's reported LLD for tritium in composite water samples is 200 pC1/1. This activity is below the reported lab LLD and is most likely due to statistical variance in counting due to the random nature of radioactivity decay.

4.4 GROUND WATER SAMPLING samples were collected once each calendar quarter of 1990 from the four (4) monitoring wells on the Fermi 2 site. The samples were co11scted and placed on the gamma spectroscopy system and showed no detectable gamma radioactivity. When analysed for tritium, three (3) samples ranging irom 63 to 116 pCi/1 were reported as detectable quantities by the laboratory. The Termi 2 Tech Spec LLD for tritium is 2000 pC1/1.

The data for 1990 is conciatent with the results from previous years.

4.5 SEDIMENT SAMPLING In 1990, ten (10) lake sediment samples were obtained from five (5) separate locations. One sample taken at the Fermi 2 discharge line showed detectable activity for Mn-5?., Co-60, and En-65 at just above the lab's LLD. Four (4) samples, which included the control sample, showed detectable activity f or Cs-137 at just above the lab's LLD but below Fermi 2 Tech Spec LLD. Also, one sample 3.0 miles down stream showed detectable activity f or Hn-54 just above the l ab 's LLD . The activity of Hn-54, Co-60, and En-65 found in these samples could be the result of liquid offluent releases or the result of statistical variance in counting. Additionally, the detected levels of Cesium-137 could be attributable to residual f allout of nuclear weapons testing.

As of this date, the second half of 1990 sediment samples have not been reported by the lab. Even if the detectable activity is due to the Page 13 .

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I Forci 2 1990 Annual Radiologicci itavironment al Monitoring Report operation of Fermi 2, no impact to the environment would be anticipated in view of these extremely low levels.

4.6 FISH SAMPLING A total of twenty four (24) fish samples from three (3) locations (two indicating and a control location) were collected in 1990. To date, eleven (11) samples have been analyzed and reported by the lab. From these fish samples, representative edible portions (fillet) of each fish species were processed and analyzed. of these samples, none showed detectable levels of radioactivity except Sr-89, Sr-90 and co-137 in both indicator and control skmples which is attributed to residual fallout from weapons testing.

In years 1983 through 1980, various concentrations of co-137, Sr-69, and Sr-90 have been detected in fish at both the indicating and control locations. The values for the 1990 sampling year are consistent with previous campling years including pre-operational data.

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remi2 1990 Annual Radiological Environmental Monitoring Report 5.0 Lanc Use Census Page 15 Rev. O, 04/18/91

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Forni 2 1990 Annu21 R2dislegiS31 Environmental Wenitoring Report 8.0 1AND USE CENSUS S.1 19901AND USE CENSUS

. As required by the U.S. Nuclear Regulatory Commission, Detroit Edison performs an Annual Land Use Census. The land use census is a formal, documented evaluation of the changes in the location of the nearest resident, dairy animals (goats and cows), and gardens. Locations were identified through Detroit Edison's continuing contact with neighbors of the Fermi 2 plant as company personnel performed routine  ;

environmental. sampling and observation. Using cartography and meteorology, each identified location was evaluated.

S.2 RESULTs No changes were made to the sampling locations as a result of the 1990

-land use census.

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Forni 2 1990 Ansusi R:dislegisol Environmental Monitoring Report TABLE 5.0-1 RESIDENCES Sector Address Distance (H1) Change (Hi) 1990 NE 6760 Lakeshore 1.1 NC 1989 NE 6760 Lakeshore 1.1

~ 1990 NNE 6500 Brancheau 1.0 NC 1989 NNE 6500 Brancheau 1.0 1990 N 6200 Blanchett- 1.1 NC 1989 N 6200 slanchett 1.1 1990 NNW 5701 Post- 1.1 NC 1989 NNW $701 Post 1.1 1990 - NW 6577'Leroux 1.1- NC f 1989- NW 6577 Laroux 1.1

- 1990 WNW 6200'Langton 0.7 NC 1989 WNW 6200 Langton 0.7 #

1990 -W 6001 Toll 1.1 NC 1989 W 6001 Toll 1.1 1990 WSW 4771 Pte. Aux Peaux 1.6 0.1 1989 WSW 4771.Pte. Aux Peaux 1.5  ;

1990 SW '4981 Pte. Aux Peaux 1.1 0.1 ,

1989 SW 4981 Pte. Aux Peaux-1.2

.1990 SSW $820 Pte. Aux Peaux'1.0 0.1 1989 SSW 5820 Pte. Aux Peaux 1.1 1990 8 '4834 Long- 1.0 0.1 1989 8 4834 Long 0.9 ESE - SSE- -Lake Erie NC - No Change .

Note ' Differences in. distance due to recalculation by Deco Cartography.

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r:rmi 2 1990 Annual R; dig 1CgiOO1 Environmental Monitoring Report TABLE 5.0-2 CARDENS Sector Address Distance (Mi) Change (Mi) 1990 NE 6940 Lakeshore 1.1 NC 1989 NE 6940 Lakeshore 1.P 1990* NNE 6441 Brancheau 1.1 NC 1989* NNE 6441 Brancheau 1.1 1990* NNE 7806 Labo 0.4 NC i 1989* NNE 7806 Labo 0.4 l 1990* NNE 9501 Turnpike Hwy. 4.0 NC j 1989* NnE 9501 Turnpike Hwy. 4.0 )

1990 N 6244 Brancheau 1.2 0.3 1989 N 6366 Trombley 1.5 )

1990 Nim 5701 Post 1.1 0.5 1989 NNW 5283 Trombley 1.6 1990 tm $131 Post 1.5 0.4 1989 tm 6577 Leroux 1.1 1990 WNW 6834 Dixie Hwy 1.7 0.1 1989 WNW 6834 Dixie Hwy 1.8 1990

• WNW 8200 Geirman 14.6 NC Control 1989

• Wim 8200 Ceirman 14.6 1990 W 5909 Leroux 1.6 0.2 1989 W 5900 Leroux 1.4 1990 WSW 5053 Spaulding 2.4 0.4 1949 WSW 3121 Lakeview 2.8 1990 SW 4998 Elm 1.4 NC 1989 SW 4995 Elm 1.4 1990 SSW 4326 C Street 1.6 0.2 1989 SSW 4375 5th 1.4 1990 S 6233 Highland 1.2 0.1 1989 s 6255 Highland 1.1 ESE - SSE Lake Erie NC - No Change l

• Participants in REMP sarnpling program. Note Differences in distance due to recalculation by Deco Cartography.

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Fermi 2 1990 Ansu21 Radisisgical Environmental Monitoring Report TABLE 5.0-3 MILK LOCATIONS Sector Address Distance (M1) Findings 1990 NE No Identified Locations No Milk Animals 1989 NE No Identified Locations No Milk Animals 1990 NNE No Identified Locations No Milk Animals  !

1989 .NNE No Identified Locations No Milk Animals 1990 N No IdentifirJ Locations No Milk Animale  ;

No Identified Locations No Milk Animals

, 1989 N 1990 NNW No Identified Locations No Milk Animals l- 1989 NNW No Identified Locations No Milk Animale l

1990* NW 3239 Newport Rd 4.3 Cows l 1989* NW 3239 Newport Rd 4.3 Cows l 1990* NW- 2705 Labo 5.7 Cows  :

- 19 8 9 * ~- NW' 2705 Labo 5.7 Cows l

1990# WNW, 4262 Post 2.2 Goats 1989#- WNW 4262 Post 2.2 Goats 1990i W 5904 Nadeau 4.5 Goats 1990 W -6551 N. Stonycreek 4.7 Coats 1990. W 1972 Nadeau 3.3 Goats 1990 WsW 3979 Dixie Hwy . 2.8 Cows 1989~ Wsw No Identified Locations No Milk Animals 1990 -SW No Identified Locations No Milk Animals 1989 SW 'No Identified Locations No Milk Animals 1990 SSW No Identified Locations- No Hilk Animals 1989 $$W No Identified Locatione No Milk Animals 1990~ S~ No Identified Locations No Milk Animals 1989 E No Identified Locations No Milk Animals

1. -_ Calculated critical receptor

• - Participated in Fermi 2 REMP Page 19 Rev. O, 04/18/91

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4 6.0 PROGRAN EXECUTION i

All phases of the terrestrial and aquatic monitoring were conducted in accordance with the Technical specifications as implemented in the sampling schedule. If samples could not be obtained from a specific location, other samples were substituted where appropriate. The following includes the details of duviations and correctivo actions from the normal supling schedule for 1990.

6.1 THERMOLUNINESCENT DOSIMETRY No TLDs were available for the following locations:

2nd Quarter At location T-17 the TLD was missing during the mid-quarter inspection and was replaced on 05/17/90.

3rd Quarter At location T-11 the TLD was missing during the mid-quarter inspection-and was replaced on 07/24/90. Also, T-15 and T-20 were missing at the and of-the quarter during TLD exchange.

4th Quarters seventeen (17) new locations were added to the program during the quarterly exchange. These locations are T-47 through T-63.

All TLDs are placed in the field in inconspicuous locations and as far from thh ground as possible to m.tnimised the loss of TLDs due to vandalism -

6.2 AIR SAMPLING On 01/02/90, samples for API-5 were not available due to sampler being inadvertently left off during the previous exchange. The technician responsible was counseled.

Air particulate filters for API-4 and API-5 were mislabeled as API-1 on

' 07/17/90. The lab was contacted and instructed to report the bickr' l gross beta for these samples. The technician responsible was couns, ma.

l The week _ of 12/05/90, all air samplers ran for eight days due to

[

schedule change.

l Page 21 REV. O, 04/10/91

Forni 2 199C Aansi Dadiological Environmental Monitorieg Report 6.3 MILK AND GRASS SAMPLING The following grass samples were not collected due to seasonal j unavailability:

H-7 on 01/17/90; M-7 on 02/14/90; H-1 and M-7 on 03/13/90; M-1 and M-7 on 04/11/90.

on 03/13/90, milk sample for M-1 was not collected due to all milk producing animals being sold. M-1 was dropped from the program and M-8 was added.

6.4 WATER SAMPLING DRINY,1NO WAT Q On 01/25/90, 02/27/90, and 03/26/90 a grab sample.was taken at DW-2 due to Detroit Water company performing maintenance on equipment. This was a planned one-time major maintenance project and should not recur.

On 07/25/90 a grab sample was taken at DW-1 due to sample equipment malfunction. The equipment was immediately repaired.

From 08/16/90 to 10/31/90 the city of Detroit was injecting carbon into the water plant systems to remove residual organics. This wac a special maintenance project that should not recur in the near- turture. This carbon affected the performance of the sampling equipment. For this time period weekly grab samples were taken ard composited for the following monthly DW-2 samples: 08/27/90, 09/24/90, 10/31/90 l

SURFACE WATER On- 07/25/90 SW was not collected due to equipment failure. The equipment was immediately . repaired. Also, ~ on - 12/27/90 SW-2 was. a partial sample due to ice in sample lines. This is a seasonal problem that has been ovaluated and is' unavoidable at very low temperatures.

i 6.5 IAnoRATORY DEVIATt0NS l The laboratory has been. contacted regarding the following problems. As of'01/01/91, all REMP. samples are being sent to a different-laboratory, which should' alleviate these problems.

Iodine air samples collected on 07/31/90 did not meet Tech Spec LLD due

'to elapsed time between collection and counting.

l Page 22 REV. O, 04/18/91 L

i i

l-

F:rsi 2 1990 An u 1 R;dic1cgi;al Environmental Manitoring Report Air particulate filters collected on 10/09,'90 were contaminated by a leaking water sample at the lab.

Hilk samples H-2, H-3, and H-8 collected on 08/23/90 were prepared using an expired 2-131 standard.

Drinking water sanple DW-2 collected on 09/14/90 did not meet Tech spec LLDs for Fe-59, co-58, tr/Nb-95, and Ba/La-140 due to elapsed time between collection and counting.

Drinking water sample DW-1 collected on 08/27/90 did not meet Tech Spec LLDs for Fe-59, co-58, tr/Nb-95, and Ba/La-340 due to elapsed timo between collection and counting.

Hilk samples H-2 and H-3 collected on 05/09/90 did not meet Tech spec LLD for I-131 due to elapsed time between collection and counting.

Hilk samples H-2, H-3 and H-B collected on 05/23/90 and 05/24/90 did not meet Tech Spec LLD for I-131 due to elapsed time between collection and counting.

Hilk samples H-1 collected on 07/12/90 did not meet Tech Spec LLD for I-131 due to elapsed time between collection and counting.

Crass sample H-7 collected on 05/23/90 did not meet Tech spec LLD f or 1-131, co-134, and co-137 due to insufficient sample site.

Crass sample H-B collected on 05/23/90 did not meet Tech spec LLD for 1-131 due to insuf ficient sample size.

Crass sample M-8 collected on 07/26/90 did not meet Tech Spec LLD for 2-131 due to insufficient sample size.

l Page 23 REV O, 04/18/91 l

l

Forsi 2 1990 Annual Radiological Environ =3ntal Monitoring Report i

7.0 Program Summary Page 24 REV. O, 04/18/91

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Feewi 2 1993 Arviust Radictogicst Emirmet Moniterleg Repeat Table 7.0-1 Radiotegical Emireroentet Monitoring Program Stremory (cent.)

Decket se.: 50-341 seporting Perled : Jeriuery - Dh ???O came of recitIty: Enrico Ferwi tJnit 2 Location of Facility: 30 elles setstbeest of Detroit, Michtgen (Frenchtown Teenship)

CB = gross bete; CS = gema scan LLD = roninet tower limit of detection besed on 4.M slyge error for bachgeetsv4 sovie.

a,- ~,:s only. Fraction of detectable m e m - ,ts et specified tecations Meen and range based tsen detectobte is indicated in perentheses (F).

Locations are specified by Feral 2 code, location description, distence and direction from the Ferwl 2 reacter.

Cen-routine results are those eAlch are reportable according to Fermi 2 Techniczt Specifiestices.

LLD*

• Leb did fwit met Feral 2 Tech spec LLD due to elepted time between cettection and countirq of semte.

listed as0TE:

Other functides were considered in onetysis results, tmst enty these identif f eble were reported in edif tfen to Tech spee rasclides.

Psy 30 ery.0, 04/18/71

rorni 2 1990 Annual Radiological Environmental Honitoring Report 8.0 Samaling Loca: ions Page 31 RIV. O, 04/18/91 l

Forni 2 1990 Annusi Radiolcgical Environmental Honitoring Raport Table 8.0=1 Direct Radiction Meteorological Station Sector /Asimuth Distance from Number (Degrees) Reactor (Approx) Description 71 NE/38 1.3 mi Pole on Lakeshore in Estral Beach. Twenty three polen S of Lakeview. (Special Area)

T2 NNE/22 1.2 mi Tree at ahe termination of Brancht Et. (Special Area)

T3 N/9 1.1 mi Pole on NU corner of Swan Boat c',v5'e fence. (Special Area)

T4 NNW/337 0.6 mi On S.,e Boundary Fence by API

1. 2 oc- Toll Rd.

75 NW/313 0.6 mi on Site Boundary Fence by API

1. 3 on Toll Rd.

76 WNW/293 0.5 mi Pole on NE corner of Bridge over Toll Rd.

77 W/270 14.2 mi Pole behind Doty Farm at 7512 N Custer Rd. (Control)

. T8 NW/305 1.9 r.1 Pole on NE corner of Dixie Hwy.

and Post Rd.

79 NNW/334 1.5 mi Pole on NW corner of Trombley and Swan View Rd.

T10 N/6 2.'. mi Pole on S side of Massarant two poles W of Chinavarre.

Til NNE/23 6.3 mi Pole on SE corner of bridge over Silver Creek on US Turnpike 8 of Campau Rd.

T12 NNE/29 6.3 mi Pole near tree in the N area of parking lot at Pointe Houillee came Area Field Office.

Page 32 REV. O, 04/18/91

Pormi 2 1990 An2u21 Ridi@lsgicS1 l Environmental Honitoring Report l Table B.C-1 Direct Radiation (cont.)

Meteorological Station Sector /Animuth Distance from Number (Degrees) Reactor (Approx) Description l T13 N/356 4.1 mi Pole on SW corner of Labo and Dixie Hwy.

T14 NNW/337 4.4 mi Pole on SE corner of Labo and Brandon near RR tracks.

715 RW/315 3.9 mi on pole behind Newport Post office.

T16 WNW/203 4.9 mi Pole on SE corner of War and Poet Rds.

l T17 W/271 4.9 mi Pole on NE corner of Hadesu and Laprad near mobile home park.

T10 WSW/247 4.8 mi Pole on SE corner of Mentel and Hurd Rds.

[ T19 SW/236 5.2 mi Pirst pole E of Permi siren on Waterworks Rd at the NE corner l of Sterling State Park Rd and j Waterworks (in Sterling State l Park).

1

! T20 WSW/257 2.7 mi Pole on S eide of Williams Rd, eight polee W of Dixie Hwy.

(Special Area) l T21 WSW/239 2.8 mi Pole on N side of Pearl at Parkview in Woodland Beach.

(Gpecial Area)

T22 S/172 1.2 mi Pole on N side of Pointe Aux l Peaux two poles W of Long.

! (site Boundary) l T23 SSW/195 1.1 mi Pole on S side of Pointe Aux Peaux, one pole W of Huron next to vent pipe. (Site l Boundary) l l Page 33 REV. O, 04/18/91 l

Forni 2 1990 Annual Radiological Environmental Monitoring Report Table 8.0-1 Direct Radiation (cont.)

Heteorological station Sector / Azimuth Distance from Nunber (Degrees) Reactor (Approx) Description T24 SW/225 1.2 mi On fence post W of Fermi Gate along Pointe Aux Peaux Rd.

(Site Boundary)

T25 WSW/251 1.5 mi Pole on Toll Rd., thirteen polee S of Fermi Dr.

T26 WSW/259 1.1 mi Pole on Toll Rd, six poles S of Fermi Dr.

T27 SW/225 6.0 mi Pole en NE corner of McMillan and East Front St. (Special Area)

T2B SW/229 10.7 mi Pole on SE corner of Hortar Creek and LaPlaisance.

(Control)

T29 WSW/237 10.3 mi Pole on E side of S Dixie, one pole S of Albain. (Control)

T30 WSW/247 7.8 mi Pole on north side of St.

Mary's Park parking lot at Elm and Monroe St. (Special Area)

T31 WSW/255 9.6 mi let Pole W of entrance to Milton

• Pat" Hunson Recreational Reserve on North custer Rd. (Control) 732 WNW/295 10.3.mi Pole on corner of Stony Creek and Fintel Rds.

T33 NW/317 9.2 mi Pole on W side of Grafton Rd.

First Pole N of Ash and Grafton intersection.

TS4 NNW/338 9.7 mi Pole on E Side of Port Creek.

First pole S of Will-Carleton Rd.

Page 34 REV. O, 04/18/91

.rarsi 2 1990 Ancusi Radialsgical Environmental Mouitoring Report Table 8.0-1 Direct Radiation (cont.)

l Meteorological station sector / Azimuth Distance from Number (Degrees) Reactor (Approx) Description f

735 N/359 6.9 mi Pole on s side of s Huron River

.l Dr. across from Race St.

(special Area)

T36 N/358 9.1 mi Pole on NE corner of Gibraltar and Cahill Rds.

T37 NNE/21 9.8 mi Pole on s corner of Adams and .

p Cibraltar across from Humbug l Marina.

T38 WNW/294 1.7 mi On pole at the residence on 6594 N. Dixie Hwy. -

T39 s/176 0.3 mi SE corner of Protected Area Fence (PAF). I T40 s/170 0.3 mi Hidway along oBA on PAF.  !

j T41 ssE/161- 0.2 mi Midway between OBA and shield 1 Wall on PAT.

l 'T42 ssE/149 0.2 mi Midway along' shield Wall on l PAF.

T43 SE/131 0.1 mi Midway between shield Wall and Aux Boilers on PAF.

T44 ESE/109 0.1 mi opposite OS$F door on PAF. ,

T45 E/86 0.1 mi NE Corner of PAF.

l

-T46 ENE/67' O.2 mi NE side of barge slip on fence.

j T47 s/185 .1 mi south of Turbine Bldg. rollup

-i door on PAF.

T48 sW/235 .2 mi 30 ft, from corner of AAP on l PAF.

8 Page 35-REV. Or 04/18/91

Fermi 2 1990 Annual Radiological Environmental Monitoring Report Table 8.0-1 Direct Radiation (cont.)

Heteorological Station Sector / Ar.imuth Distance from Number (Degreco) Reactor (Approx) Description T49 WSW/251 1.1 a :. Corner of Site Boundary fence north of NOC along Critical Path Rd.

TSO W/270 .9 ni Site Boundary fence near main gate by the south Bullit Street sign.

TS1 N/3 .4 mi Site Boundary fence north ot' north cooling Tower.

T52 NNE/20 .4 mi Site Boundary fence at the corner of Arcon and Tower.

T53 FE/55 .2 mi site Boundary fence east of South Cooling Tower.

T54 S/189 .3 mi Pole next to Fermi 2 Visitore Center.

TSS WSW/251 3.3 mi Pole on south side of Nadeau cast of Sodt Elementary School.

(Special Area)

T56 WSW/255 4.9 mi Pole at entrance to Jefferson Middle School on Stony Creek Rd. (Special Area)

T57 W/260 2.7 mi Pole on north side of William Rd. acroen from Jefferson High School entrance. (Special Area)

TSB WSW/249 4.9 mi Pole west of Hurd Elementary School sign. (Special Area)

T59 NW/325 2.6 mi Pole north of St. Charles Church entrance on Dixie Hwy.

(Special Area)

Page 36 REV. O, 04/18/91

Pormi 2 1990 Annual Radiological Environmental Monitoring Repo rt Table 8.0-1 Direct Radiation (cont.)

Meteorological Station Sector / Azimuth Distance from Number (Degrees) Reactor (Approx) Description T60 NNW/341 2.5 ml lot pole north of North Elementary School's entrance on Dixie Hvy. (Special Area)

T61 W/268 10.1 mi Polo at SW corner of Stewart and Raienv111e Rds.

T62 SW/232 9.7 mi Pole at NE corner of Albain and Hull Rds.

T63 WSW/245 9.6 mi Pole at NE corner of Dunbar and Telegraph Rds.

Page 37  ;

REV. O, 04/18/91

Ferwl 2 1990 Amust medietwicst Erwirorinentet Moniterfrq Report Tebte 8.0-2 Fish ord sediment Locations Meteorotogicot Stetton Sector /Atlauth Distence from Medle Frequercy Reactor (Approx) Descriptier N:rber Degrees SEDIMENTS Sediment SA 0.9 al Pointe Attu Pesus, shoretine to 500 f t S-1 SSE/165 of fshore sightirwj directly to terd Sese Unter Tower sediment SA 0.2 al Feral 2 Discharge, erprox 200 ft offshore S-2 E/81 sediment SA 1.1 al Estret seech, agerex 200 f t of fshore, of f s-3 arE/39 Worth shoretine *Aere swen Creek and take Erie meet sed!nent SA 3.0 ml Indien Traits Ceramnity Sesch 5-4 V5V/251 SA Sediment 11.7 al DECO *o Trenton Chamel Power Plant Inteke s-5 NNE/20 ares (Controt)

FISM Fish sA NwE/31 9.5 el Ceteron Island (Controt}

F-1 Fish SA 0.4 al Fermi 2 Olscharge (erprox 1200 ft offshore)

F-2 E/86 Fish SA 4.8 el Brest Sey Marine Area (Controt)

F-3 USV/238 Pege 38 REY. O, O&/18/91

E Feral 2 - 1990 Arviust Gediot@cci Emirmmente(, Monitor *,q Report Table 8.0-3 Mitk/ Gross' Sample Locations Meteorotogical stetton Sector / Azimuth . Distance from Nun 6er Degrees Reactor (Approw) ..Descriptlen Media Frequency M-1 W/270 14.2 at Doty Far1e . 7512 N Custer ad - Mitk/ Gross M-sn (Controt) 5.4 al Resume form 2705 E Lobo Mitk M-SM M-2 W/319 M-3 W/317 4.2 al Yoes Farm - 3239 Newport Rd Milk M-sn l' M-7 tand/301 2.1 mi Webb Farm - 4362 Post Rd Milk / Grass M-SM

! M-8 W W/289 9.9 mi Calder Dairy - 9334 Finzet Rd ' Mitk/ cross M-sM j (New Controt) l 3

Page 39 REV. O,t%/18/91

~

~

Feral 2 1990 Amust mediotocicet

'Envirormettet. Monitoring Report Tebte 8.0-4' veter semple 1.ocations Meteorological Station Sector / Azimuth Dietence"from-utster . Degrees Reector (Approx) Description Media Fregtsency DRIKING WATER DW-1 $/174 1.1 al Monroe Water Station N Side of Pointe Aux Drir*Ing Unter M Peeux 1/2 stock u of tens ad DU-2 N/8 15.6 mi '. Detroit Water Station Drir*Ing water M 14700 Moren Rd, Atten Park (Control)

SURFACE WATER SW-1 SSE/160 0.3 el fermi 1 Row take weter intake Structure Surface water M SW-2 NME/20 11.7 al DECO 8s Trenton Chamel Power Plant Intate Surface Unter M Structure (Scree +ouse #1) (Controt)

StTE WELT.S CW-1 S/175 0.4 mi- Approx 100 f t U of take Erie, EF-1 Perking tot Groundueter e neer ses fired peakers CW-2 SSU/208 1.0 ml 4 ft S of Pointe Aux Peeux (PAP) Rd Fence Groteduster 0 427 ft U of where PAP crosses over Stoney Point's Western Dike c9-3 SW/226 1.0 mi ~ 143 f t u of PAP ad Gate, 62 f t u of Grourdseter o PAP ad Fence

'CU-4 WuW/299 'O.6 mi 42 ft S of 1.enston Rd, 8 ft E of Grcunducter e Tott Rd Fence Page 40 REV. O, 04/18/91

- EU Fermi 2 1990 Amust Radiologicot Erwirorinentet Monitoring Report febte 8.0-5 Ali- Particulate / Air lodine Septe Locations Meteorologicot j Station Sector /Arimuth Distence from MedIe frequency l

Reector (Approx) Description Nur6er Degrees U

1.4 mi Estrel Beach Pole on Lakeshore,18 Potes S of Radiofodine API-1 NE/39 U Lakeview (Nearest Cormunity erith highest X/0) Porticutetes Radiofodine U 0.6 mi Site Scundry and Tott Road, on Site Ferre by API-2 NNU/337 Particutetes U T-4 Radiofodine U 0.6 mi Site Boundry and Tott Road, en Site Fence by API-3 WU/313 Particutetes U T-5 Redfolodine U 14.1 mi Pole, behind Doty Farm - 7512 e custer Rond Apr-4 U/270 Particutetes v (Control)

Radiolodine U 1.2 al Comer of Erie St eM Pointe At.pt Peaux Rds API-5 S/191 Particutetes v l

Page 41 REV. O, 04/18/91

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Fermi 2 1990 Amust Radiological Erwirersnentet Monitoring Report Table 8.0-7 Leruf Use Census  !

Meterologicat Ofstance frae Reactor (Approx) Description

' Sector 1.1 el 6760 Lakeshore NE NME 1.0 mi 6500 Brancho N 1.1 al 6200 stanchett Nwu 1.1 al 5701 Post i

SM 1.1 mi 6577 Leroux 6200 Lengton WW 0.7 al U 1.1 al 6001 Toti i

1 vsv 1.5 af 4771 Pointe Aux Peeux 1.2 el 4981 Pointe Aux Peeux SU SSU 1.1 mi 5820 Pointe Aux Peaux 0.9 mi 4834 Long s

ESE-SSE Lake Erie NOTE: These tocations have been identified as the closest residences in the 1990 Land Use Census.

Page 43 REV. O, 04/18/91

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Forni 2 1990 Annual Radiological Environmental Honitoring Report 9.0 Data Taales Pago 48 REV. O, 04/18/91

Forni 2 1990 AnnuO1 R dic1Cgicn1 Environmental Monitoring Report TERMI 2 TLD ANALYSIS mR/Std. Qtr.

Station let Qtr. 2 tid Qtr. 3rd Qtr. 4th Qtr. Hoan T-1 12.9 10.4 11.1 8.8 10.8 T-2 17.3 11.7 11.7 9.4 12.5 T-3 17.0 9.3 11.0 7.3 11.2 T-4 17.4 10.8 13.8 9.0 12.0 T-5 19.9 12.9 15.0 8.8 14.2 T-6 16.0 13.2 16.B 9.4 13.9 T-7 16.5 14.6 15.4 10.4 14.2 T-8 16.0 14.6 15.9 11.6 14.5 T-9 16.6 12.4 16.6 10.8 14.1 T-10 20.1 16.1 18.1 11.1 16.4 T-11 19.4 9.9 9.7 9.5** 12.1 T-12 15.5 11.1 13.7 9.1 12.4 T-13 24.4 14.5 18.5 12.3 17.4 T-14 22.2 12.2 15.2 11.5 15.3 I T-15 18.0 9.7

• 11.3 13.0 T-16 19.1 22.6 13.8 10.9 16.6 T-17 17.1 13.?** 11.2 10.2 13.1 T-18 16.1 15.3 13.1 10.2 13.7 T-19 20.9 16.5 18.0 12.4 17.0 T-20 17.7** 21.2

• 13.3 17.4 T-21 16.5 11.8 14.0 9.9 13.1 T-22 18.1 15.6 16.9 10.6 15.3 T-23 17.2 15.8 17.8 11.5 15.6 T-24 16.1 14.5 14.1 7.0 12.9 ,

T-25 23.4 17.8 17.7 13.1 18.0 T-26 21.1 21.8 15.0 13.3 17.8 T-27 12.7 11.4 11.8 8.6 11.1 T-28 16.4 12.4 14.3 9.7 13.2 T-29 18.2 17.4 9.5 10.2 13.8 T-30 16.1 10.5 9.8 9.6 11.5 T-31 16.5 16.1 13.4 10.6 14.2 T-32 16.4 16.7 13.5 12.4 14.8 T-33 18.5 14.2 13.8 9.9 14.1 T-34 16.7 15.4 13.9 10.2 14.1 T-35 16.5 12.6 10.6 10.3 12.5 T-36 19.1 16.2 14.6 11.6. 15.4 T-37 16.7 13.2 14.0 10.4 13.6 T-38 19.2 19.4 15.3 12.0 16.5 T-39 19.5 20.5 18.1 9.2 16.8 T-40 18.6 25.2 17.1 11.1 18.0 T-41 26.5 24.9 15.7 11.6 19.7 Page 49 REV. O, 04/18/91

Fermi 2 1990 Annual Radiological Environmental Monitoring Report FERMI 2 TLD ANALYSIS mR/Std. Qtr.

Station let Otr. 2nd Qtr. 3rd Qtr. 4th Qtr. Mean T-42 34.0 24.2 19.6 10.7 22.1 T-43 36.8 28.8 18.7 12.0 24.1 T-44 35.0 20.3 19.9 10.7 21.5 T-45 23.2 22.6 15.8 9.0 17.7 T-46 18.3 16.2 15.8 9.4 14.9 T-47 10.1 10.1 T-48 9.0 9.0 T-49 11.6 11.6 T-SO 8.7 8.7 T-51 7.1 7.1 T-52 8.1 8.1 T-53 8.7 8.7 T-54 6.7 6.7 T-55 10.4 10.4 T-56 8.7 8.7 T-57 9.7 9.7 T-58 8.3 8.3 T-59 9.0 9.0 T-60 14.5 14.5 T-61 9.9 9.9 T-62 12.9 12.9 T-63 9.5 9.5

• TLD lost in the field

• • T-20 was replaced on 05/18/90. T-17 was replaced on 02/27/90. T-11 was replaced on 07/24/90 tiote: T-47 through T-63 were placed in the field at the beginning of the fourth quarter.

FIELD DATES let Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.

Deployed 01/03/90 04/02/90 07/02/90 10/03/90 collected 04/02/90 07/02/90 10/03/90 01/03/91 Total Days 90 91 93 92 Page 50 REV. O, 04/18/91

Fermi 2 1990 Annual Radiological Environmental Monitoring Report t

TLD ANALYSIS BY METEOROLOGICAL SECTORS mR/Std. Qtr.

Sector let Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr. Mean Statione N 19.4 13.7 14.6 10.0 14.4 T-3,T-10 T-13,T-35 T-36,T-51 NNE 17.2 11.5 12.3 9.3 12.6 T-2,T-11, T-12,T-37 T-52 NE 12.9 10.4 11.1 8.8 10.8 T-1,T-53 ENE 18.3 16.2 15.8 9.4 14.9 T-46 E 23.2 22.6 15.8 9.0 17.7 T-45 ESE 35.0 20.3 19.9 10.7 21.5 T-44 SE 36.8 28.8 18.7 12.0 24.1 T-43 SSE' 30.3 24.6 17.7 11.2 21.0 T-41,T-42 S 18.7 20.4 17.4 9.5 16.5 T-22,T-39 T-40,T-47 T-54 SSW 17.2 15.8 17.8 11.5 15.6 T-23 SW 16.5 13.7 14.5 9.9 13.7 T-19,T-24 T-27,T-28 T-48,T-62 W 16.8 14.2 13.3 9.8 13.5 T-7,T-17 T-50,T-57 T-61 WSW 18.2 16.5 13.2 10.7 14.7 T- *.8, T-2 0 T-21,T-25 T-26,T-29 T-30,T-31 T-49,T-55 T-56,T-58 T-63 Page 51 REV. O, 04/18/91

Fermi 2 1990 Annual Radiological tuvironmental Monitoring Report i

l TLD ANALYSIS BY METEOROLOGICAL SECTORS mR/Std. Qtr.

Sector let Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr. Mean Statione WNW 17.7 18.0 14.9 11.2 15.5 T-6,T-16 T-32,T-38 NW 18.1 .1.9 14.9 10.1 14.0 T-5,T-8 T-15,T-33 T-59 NNW 18.2 12.7 14.9 11.2 14.3 T-4,T-9 T-14,T-34 T-60 Page 52 REV. O, 04/18/91

- . -, -. ... ... ..- . . - - ~ . . - - . _ , . . - . -

1

-1 Forni 2- 1990 Annual Radiological.

Environmental . Monitoring ; Report-

.l o

, TLD ANALYSIS ~

BY DISTANCE FROM TERMI 2 4 I Distance; mR/Std. Qtr.

-Miles let Qtr. 2nd Qtr. .3rd'Qtr. 4th Qtr. Mean- Stations L N

< 2-- :20.9I 17.4' 15.9 9.9- -16.0 T-1,T-2,T-3: [

T-4,T-5,T T-8,T-9,T-22 a T-23,T-24  ;

+ T-25,T-26 -!

T-38,T-39

'T-40,T-41 T-42,T-43

-T-44,T T-46,T-47 T-48,T-49  ;

T-50,T T-52,T-53

-T -l

'2 - 5 '19.0' -15.2 14.8: -10.8 15.0 T-10,T-13 T-14,T-15

T-16,T-17 i T-18,T-20--

< T-21,T-55

-T-56,T-57.

.T-58,T-59 T-60

> 5 .. 17.1 13.4 .13.0 10.5 13.5 !T-11,T-12 ,

T-19,T-27' ii T-30,T-32, ,

T-33,T-34 )

, 7_

cT-35,T-36 T-37,T-6*.

T-62,T-63

. . Control- 16.9 15.1 13.2 10.2 13.9 T-7,T-28 -

-TLDa- T-29,T-31 Page 53 REV. O,.04/18/91

Farai 2 1990 Annual Radiological Environmental Honitoring Report FERMI 2 AIR PARTICULATE ANALYSIS FIRST QUARTER Dato croso Beta (p01/cu.m.)

Collected API-1 API-2 API-3 API-4 API-5 01/02/90 3.02E-2 2.54E-2 2.89E-2 P.54E-2 **

01/09/90 3.63E-2 3.69E-2 3.32E-2 3.64E-2 4.21E-2 01/16/90 2.23E-2 2.70E-2 2.40E-2 2.27E-2 2.56E-2 01/23/90 2.39E-2 2.39E-2 2.40E-2 2.47E-2 2.49E-2 01/30/90 *4.14E-2 2.18E-2 1.89E-2 2.14E-2 2.16E-2 02/06/90 2.39E-2 2.42E-2 2.32E-2 2.14E-2 2.41E-2 02/13/90 2.57E-2 2.53E-2 2.06E-2 2.40E-2 2.55E-2 02/20/90 2.79E-2 3.06E-2 2.54E-2 2.50E-2 2.75E-2 02/27/90 2.79E-2 2.33E-2 2.72E-2 2.54E-2 2.80E-2 03/06/90 2.97E-2 2.62E-2 2.87E-2 2.95E-2 2.72E-2 03/13/90 2.23E-2 2.41E-2 2.23E-2 2.28E-2 2.21E-2 03/20/90 1.95E-2 2.09E-2 2.03E-2 1.61E-2 2.30E-2 03/27/90 2.58E-2 2.55E-2 2.66E-2 1.90E-2 1.90E-2 Quarterly Mean 2.74E-2 2.5BE-2 2.49E-2 2.42E-2 2.59E-2

• Low cample volume due to equipment failuro.

$* No cample due to equipment failure.

Iodine 131 concentrations are <0.7 pC1/cu.m. unlese noted.

Page 54 REV. O, 04/18/91

Torni 2 1990 Annual Radiological Environmental Monitoring Report FERMI 2 AIR PARTICULATE ANALYSIS SECOND QUARTER Date Groen Beta (pci/cu.m.)

Collected API-1 API-2 API-3 API-4 API-5 04/03/90 2.53E-2 1.98E-2 1.75E-2 1.63E-2 1.55E-2 04/10/90 2.32E-2 2.09E-2 2.33E-2 2.09E-2 2.26E-2 04/17/90 2.44E-2 2.66E-2 2.13E-2 2.21E-2 2.75E-2 04/24/90 2.91E-2 2.52E-2 2.B1E-2 2.63E-2 2.55E-2 05/01/90 2.22E-2 2.36E-2 2.52E-2 2.20E-2 2.49E-2 05/08/90' 2.23E-2 2.38E-2 2.32E-2 2.27E-2 2.20E-2 05/15/90 1.84E-2 *

. 83E-2 1.77E-2 1.84E-2 1.86E-2 05/22/90 1.08E-2 1.03E-2 1.29E-2 1.20E-2 1.26E-2 05/29/90 1.47E-2 1.66E-2 2.17E-2 1.88E-2 1.43E-2 06/05/90 1.48E-2 1.58E-2 1.32E-2 1.48E-2 1.64E-2 06/12/90 1.54E-2 1.93E-2 1.59E-2 1.75E-2 1.76E-2 06/19/90 1.91E-2 1.86E-2 1.96E-2 1.96E-2 2.14E-2 06/26/90 1.33E-2 1.31E-2 1.40E-2 1.30E-2 1.46E-2 Quarterly Hean 1.95E-2 1.94E-2 1.93E-2 1.88E-2 1.95E-2 Iodine 131 concentrations aro <0.7 pCi/cu.m. unless noted.

Page 55 REV. O, 04/18/91

rerci 2 1990 Annual Radiological Environmental Monitoring Report FERMI 2 AIR PARTICULATE ANALYSIS THIRD QUARTER Data Grose Beta (pCi/cu.m.)

Collected API-1 API-2 API-3 API-4 API-5 07/03/90 1.98E-2 1.71E-2 1.81E-2 1.75E-2 1.77E-2 07/10/90 2.15E-2 2.11E-2 2.10E-2 1.83E-2 1.81E-2 07/17/90

• 1.99E-2 1.64E-2 1.95E-2 1.83E-2 1.83E-2 07/24/90 2.25E-2 2.48E-2 2.23E-2 2.01E-2 2.03E-2 07/31/90 2.29E-2" 2.34E-2a 2.28E-2" 2.25E-2" 2.30E-2 8 08/07/90 1.78E-2 1.88E-2 1.76E-2 1.87E-2 1.80E-2 08/14/90 2.12E-2 2.66E-2 2.35E-2 2.65E-2 2.41E-2 08/21/90 2.75E-2 2.49E-2 2.49E-2 2.31E-2 2.50E-2 08/28/90 2.35E-2 2.17E-2 2.22E-2 2.52E-2 2.21E-2 09/04/90 2.83E-2 2.77E-2 2.95E-2 2.83E-2 3.04E-2 09/11/90 3.05E-2 2.37E-2 2.75E-2 2.50E-2 2.50E-2 09/18/90 2.09E-2 2.10E-2 1.93E-2 1.95E-2 2.24E-2 09/25/90 1.64E-2 1.86E-2 1.78E-2 1.83E-2 1.74E-2 Quarterly Hean 2.25E-2 2.20E-2 2.20E-2 2.16E-2 2.17E-2

• Particulate filters 4 & 5 were inadvertantly marked API-1

" LLD not met for I-131 due to untimely processing.

Page 56 i REV. O, 04/18/91

. . . .~ . . - ~ ~ - .. . . . . . . - , . - . . . - . ~ _ - . - . _ . . . . - ~ ~ . . . .- - . . -

Formi . '2 - 1990 Annusi Raditicgical Environmental--Monitoring -Report:

( 'I FERMI-2 AIR PARTICULATE ANALYSIS

. FOURTH QUARTER Date .Oross Beta'(pCL/cu.m.)

Collected API-1 ' API-2 API-3 ' API-4 API-5

. . K

- 10/02/90. * * *

,10/09/90_ * .

.10/16/90- * *

• 10/23/90, * * * * *

- 10/20/90: * * * *-

• 11/06/00--

= 11/13/90

- 11/20/90 * *

.11/27/90

,-12/05/90. * * '* *

• 4

' 12/12/90' '* * * * *

' 12/19/90; * * * * '*

- 12/26/90

• No; data available : from the Lab at: this tim 6,.

3 i i

=.

}!

e Page 57 REV. O, 04/18/91

Persi 2 1990 Annuni Radiological Environmental Monitoring Report FERMI 2 AIR PARTICULATE ANALYSIS MONTHLY MEANS Grose Beta (pC1/cu.m.)

Month API-1 API-2 API-3 API-4 API-5 January 3.08E-2 2.70E-2 2.58E-2 2.61E-2 2.86E-2 February 2.64E-2 2.59E-2 2.41E-2 2.42E-2 2.63E-2 March 2.43E-2 2.42E-2 2.45E-2 2.19E-2 2.28E-2 April 2.55E-2 2.31E-2 2.18E-2 2.14E-2 2.28E-2 May 1.77E-2 1.85E-2 2.01E-2 1.88E-2 1.85E-2 June 1.57E-2 1.67E-2 1.57E-2 1.62E-2 1.75"-9 July 2.13E-2 2.06E-2 2.07E-2 1.99E-2 1.95E-2 August 2.25E-2 2.30E-2 2.21E-2 2.34E-2 2.23E-2 September 2.40E-2 2.28E-2 2.35E-2 2.28E-2 2.38E-2 a * * *

• October November

• December * * * * *

~

Annual Mean 2.31E-2 2.24E-2 2.20E-2 2.16E-2 2.25E-2

• Ho data available from the Lab at thin time.

Pago 58 REV. O, 04/18/91

Forni 2- 1990 Annuni'Radiolcgioc1 Environs, ental- Monitoring Report FERMI 2 AIR PARTICULATE ANALYCIS Quarterly composite of Particulate Filters l l

-(pci/cu.m.)

Station Sr-89 Sr-90 Be-7 Cs-134 Ce-137 other _;

)

let otr,

-- API-1. <t.0E-3 <1.0E-3 1.1E-l' <6.3E-4 <1.1E-3 NA-API-2 <5.0E <1.0E-3 1.3E-1 <1.2E-3 <1.1E NA APIc3- <5.0E-3 <1.0E-3 <1.3E-1 <9.9E-4 <1.2E-3 NA

~ API-4 1.3E-2 <1.0E-3. <1.0E-1 <7.1E-4 <6.6E-4. NA API-5 <5.0E-3 <1. OE _3 <1.1E-1 <6.8E-4 1.2E-3 NA 2nd otr.

API <2.0E-2' <2.0E-4 <2.0E-1 . <8.0E-4 <7.0E NA API-2 '<2.0E-2

-<2.0E-4 <3.0E-1 <1.0E-3 <8.0E-4 NA API-3. <2.0E-2 <1.0E-4 <2.0E-1 <1.0E-3 <9.0E-4 NA API <2.0E-2 <1.OE-4 <2.0E-1 <1.0E-3 <8.0E-4 NA API-5 .< 2.0E-2 <1.0E-4 <3.0E-1 <1.0E-3 <9.0Ea4 NA 3rd Ot'r.

API-1^  ;* * * * * -*

API-2 * * * *- * '* ,

-Apr.3 . .- *  !. . .

API -* * * * * * .;

. API -* * * * * - - *

'4'th Ot h API-1 -* * '* * *

• API * *- * * *-

• API-3' * * * * * *-

API-4 -* * -* *~ *-

• API-5--

'* No data available from the Lab at this time.

.l Page 59 REV. O, 04/18/91

______.___._.__.__.___________._m_ _ _ _ _ _ _ , _ _ . . _ _ _ _ _ _ . _ _ _ _ _ _ . _ _ _ _ . _ . _ _ _ _ _ _

Foral 2 1990 Annual Radiological Environmental Honitoring Report FERMI 2 SURF 7 9 WATER ANALYSIB Station SW-1 (pC1/1)

Date Collected 01/25/90 02/27/90 03/26/90 04/25/90 05/25/90 sr-89 <1.0E+1 <1.0E+1 9.44E-1 <1.0E+1 <1.0E+1 sr-90 5.64E-1 3.14E-1 2.23E-1 1.07E+0 7.33E-1 Hn-54 <4.7E+0 <1.0E+1 <8.2E40 <5.0E+0 <7.2E+0 Fe-59 <1.0E+1 <1.7E+1 <1.8E+1 <1.0E+1 <1.4E+1 Co-58 <4.6E+0 <9.9E+0 <7.1E40 <5.2E+0 <7.5E+0 co-60 <8.5E+0 <1.4E+1 <1.0E+1 <5.2E+0 <1.4E+1 2n-65 <9.6E+0 <2.1E+1 <2.1E+1 <1.1E+1 <1.7E41 Er/Nb-95 <4.7E+0 <1.0E+1 <6.8E+0 <$.3E+0 <7.5E+0 co-134 <4.5E+0 <8.2E+0 <8.3E+0 <5.3E+0 <6.9E+0 Co-137 <4.8E+0 <9.BE+0 <9.8E+0 <6.0E+0 <9.7E+3 Da/La-140 <6.5E+0 <1.5E+1 <1.0E+1 <8.8E+0 <1.4E+1 Station SW-1 (pCi/1)

Date Collected 05/22/90 07/25/90 08/27/90 09/24/90 10/31/90 Gr-89 <1.0E+1 4.76E-1 1.02E-1 1.90E+0 n Sr-90 9.22E-1 <2.0E+0 9.10E-1 2.50E-1 n Mn-54 <7.2E+0 <8.5E+0 <8.4E+0 <5.4E+0 n Fe-59 <1.6E+1 <1.6E+1 <1.4E+1 <1.1E+1 n co-58 <8.0E+0 <d.9E+0 <6.4E+0 <3.8E+0 n Co-60 <7.BE+0 <1.0E+1 <1.0E+1 <6.7E+0 n En-65 <1.7E+1 <1.4E+1 <1.6E+1 <9.0E+0 n tr/Nb-95 <8.5E+0 <7.3E+0 <7.9E+0 <4.8E+0 n Cs-134 <7.9E+0 <5.3E+0 <7.3E+0 <4.?E+0 n Co-137 <7.2E+0 <B.9E+0 <7.7E+0 9.65E+0 n Ba/La-140 <1.1E+1 <1.1E+1 <1.2E+1 <8.0E+0 n n No data available from lab at thin timo.

Page 60 REV. O, 04/18/91

f Forni 2 1990 Annual R:dislegical Environmental Monitoring Repcrt FERMI 2 SURFACE WATER ANALYSIS Station SW-1 (pci/1)

Dato collected 11/26/90 12/27/90 Sr-89 n n Sr-90 n n Mn-54 n n re-59 n n co-58 n n co-60 n n .

En-65 n n Er/Nb-95 n n co-134 n n l co-137 n n Ba/La-140 n n n No data available from lab at this time.

l-Page 61 PEV. O, 04/18/91

F0rmi 2 1990 Annum 1 R diolegicO1 Environmental Houltoring Report TERMI 2 SURFACE WATER ANaLygig station SW-2 (pci/1)

Date Collected 01/25/90 02/27/90 03/26/90 04/25/90 05/25/90

$r-89 8.11E-1 <1.0E+1 9.77E-1 <1.0E+1 <1.0E+1 sr-90 1.42E-1 5.41E-1 1.61E-1 1.04E40 5.50E-1 Mn-64 <4.5E+0 <6.8E+0 <7.7E+0 <5.1E+0 <7.7E+0 Fe-59 <8.8E+0 <1.3E+1 <1.4E+0 <8.4E+0 <1.6E+0 Co-58 <5.4E+0 <6.*E+0 <7.5E+0 <4.4E+0 <6.2E+0 Co-60 <9.6E+0 <9.8E+0 <1.2E+1 <6.4E+0 <0.6E+0 En-65 <8.8E+0 <1.8E+1 <1.5E+1 <1.1E+1 <1.4E+1 Er/Nba95 <5.8E+0 <6.9E40 <8.1E+0 <4.8E+0 <9.0E+0 Co-134 <4 9E+0 <5.9E+0 <8.3E40 <4.2E+0 <6.0E+0 Co-137 <5.JE+0 <7.4E+0 <9.6E+0 <5.5E+0 <7.9E+0 un/La-140 <6.0E+0 <1.1E+1 <5.7E+0 <7.6E+0 <1.3E+1 Station SW-2 (pC1/1)

Date Collected 06/22/90 07/25/90 08/27/90 09/24/90 10/31/90 NS Sr-89 <1.0E+1 1.41E-1 <1.0E+1 n Sr-90 7.18E-1 4.87E-1 4.10E-1 n Hn-54 <3.9E+0 <1.2E+1 <5.8E+0 n re-59 <1.1E+1 <2.0E+1 <1.3E+1 n Co-58 <4.9E+0 <8.3E+0 <6.3E+0 n co-60 <6.3E+0 <1.5E+1 <7.4E+0 n En-65 <1.1E+1 <2.6E+1 <1.5E+1 n Er/Nb-95 <5.1E+0 <1.0E+1 <9.0E+0 n Co-134 <4.6E+0 <8.2E+0 <5.1E+0 n Cc-137 <6.1E+0 <1.2E+1 <6.8E+0 n Ba/La-140 <6.1E+0 <9.BE+1 <8.4E+0 n NS no sample collected due to equipment fi lure, n No data available from lab at this time.

Page 62 REV. 0, 04/18/91

P0rmi 2 1990 Anrual R:diolegissi Environmental Monitoring Report '

rERMI 2 I SURTACE WATER ANALYSIS j Station SW-2 (pci/1) J l

Date collected 11/26/90 12/27/90 j

• \

Sr-89 n n l Sr-90 n n Mn-54 n n Fe-59 n n co-58 n n co-60 n n En-65 n n tr/Hb-95 n n co-134 n n Cs-137 n n Ba/La-140 n n n No data available from the Lab at this time.

• Partial cample due to ice in sample line.

Page 63 REV. O, 04/18/91

Forci 2 1990 Annual Radiological Environmental Monitoring Report FERMI 2 DRINKING WATER ANALYSIS Station DW-1 (pci/1)

Date Collected 01/25/90 02/27/90 03/26/90 04/25/90 05/25/90 sr-89 8.10E-1 <1.0E+1 0.50E-1 <1.0E+1 <1.0E+1 Sr-90 1.36E-1 2.67E-1 1.33E-1 0.13E-1 5.87E-1 Mn-54 <$.5E*0 <9.1E+0 <8.0E+0 <4.YE+0 <1.1E+1 Fe-59 <1.1E+1 <1.9E+1 <1.1E+1 <1.1E+1 <2.3E+1 Co-58 <4.1E+0 <8.5E+0 <?.7E+0 A5.6E+0 <7.5E+0 co 60 <8.3E+0 <9.4E+0 <1.2E+1 <7.8E+0 <1.2E+1 2.e 65 <1.1E+1 <2.1E+1 <1.5E+1 <1.0E+1 <1.BE+1 Zr/Nb-95 <4.2E+0 <8.7t+0 <B.9E+0 <5.4E+0 <5.2E+0 Cs-134 <4.2E+0 <6.0E+0 (6.8E+0 <5.1E+0 <8.2E+0 Cs-137 <5.8E+0 <D.9E+0 <6.9E+0 <6.4E+0 <9.0E+0 Ba/La-140 <3.$E+0 <1.1E+1 <9.3E+0 <8.1E+0 <9.9E+0 Oross Beta 7.7?E+0 2.18E+0 3.30E+0 4.48E+0 3.04E+0 Station DW-1 (pC1/1)

Date Collected 06/22/90 07/25/90 08/27/90 09/24/90 10/31/90 e

Sr-89 <1.0E+1 2.21E+0 <1.0E+1 3.80E-1 n Sr-90 7.07E-1 <2.0E+0 <2.0E+0 4.80E-1 n Mn-54 <5.7E+0 <1.2E+1 <9.9E+0 <5.3E+0 n Fe-59 <1.1E+1 <2.4E+1 <1.4E+2 <9.8E+0 n Co-58 <4.7E+0 <8.BE+0 <2.3E+1" <5.6E+0 n co-60 6.38E+0 <1.5E+1 <1.3E+1 5.79E+0 n 2n-65 <1.3E+1 <2.7E+1 <1.5E+1 <1.2E+1 n Zr/Nb-95 <5.3E+0 <1.1E+1 <6.3E+1" <5.1E+0 n Ce-134 <5.4E+0 <9.3E+0 <5.0E+0 <4.1E+0 n Ce-137 <5.9E+0 <1.2E+1 <S.5E+0 4.36E+0 n

<6.1E+0 <1.2E+1 b <7.6E+0 n Ba/La-140 Gross Beta 2.19E+0 3.76E+0 3.29E+0 2.68E+0 n n No data available from lab at this time, a LLD not met due to untimely processing b Not analyzed; half-life too short

• Grab sample Page 64 REV. O, 04/18/91

M rsi 2 1990 Anual Radic1cgl331 Environmental Monitoring Report PERMI 2 DRINKING WATER ANALYSIS Station DW-1 (pC1/1)

Date collected 11/26/90 12/27/90 i

Sr-89 n n  !

1 sr-90 n n Mn-$4 n n Fe-59 n n co-58 n n Co-60 n n En-65 n n I Zr/Nb-95 n n I co-134 n n Cs-137 n n Ba/La-140 n n Grose Beta n n n No data available from Lab at this time Page 65 REV. O, 04/10/91

~ .. _ _ . _ _ - - - _ _ _ _ _ _ _ _ _ __

Forsi 2 1990 Annual Radiological Environmental Monitoring Report FERMI 2 DRINKING WATER ANALYSIS Station DW-2 (pC1/1)

Date Collected 01/25/90 02/27/90 03/26/90 04/25/90 05/25/90 e e e Sr-89 <1.0E+1 <1.0E+1 1.06E+0 <1.0E+1 <1.0E+1 Sr-90 6.26E-1 2.24E-1 3.17E-1 2.18E+0 7.55E-1 Hn-54 <7.LE+0 <5.8E+0 <6.4E+0 <5.7E+0 (9.0E+0 Fe-59 <1.7E+1 <1.3E+1 <2.1E+1 <1.1E+1 <2.0E+1 Co-58 <1.1E+1 <5.1E+0 <5.3E+0 <4.BE+0 <9.3E+0 co-60 <1.2E+1 <8.4E+0 <7.8E+0 <9.1E+0 <1.4E+1 En-65 <2.4E+1 <1.0E+1 <1.3E+1 <1.1E+1 <1.9E+1 tr/Hb-95 <8.4E40 <6.1E+0 <6.BE+b <5.4E+0 <9.0E+0 Co-134 <9.7E+0 <$.9E+0 <7.3E+0 <5.1E+0 <8.4E+0 co-137 <8.4E+0 <5.9E+0 <9.6E+0 <5.9E+0 <1.3E+1 Ba/La-140 <9.6E+0 <7.4E+0 <8.3E+0 <1.1E+1 <1.3E+1 Cross Beta 2.63E+0 2.91E+0 2.49E+0 3.06E+0 2.27E+0

• Grab sample Station DW-2 (pCL/1)

Date Collected 06/22/90 07/25/90 08/27/90 09/24/90

• 10/31/90 e e

• Sr-89 <1.0E+1 7.09E-1 <1.0E+1 <1.0E+1 n Sr-90 8.68E-1 3.77E-1 6.20E-1 5.40E-1 n Hn-54 <8.3E+0 <6.3E40 <1.2E+1 <5.5E+0 n Fe-59 <1.8E+1 <1.3E+1 <2.2E+1 <1.0E+1 n co-58 <7.4E+0 <4.4E+0 <1.1E+1 <4.5E+0 n co-60 <1.1E+1 <9.5E+0 <1.5E+1 <6.6E+0 n En-65 <2.0E+1 <1.4E+1 <2.5E+1 <1.1E+1 n tr/Nb-95 <1.0E+1 <5.6E+0 <1.1E+1 <4.9E+0 n Co-134 <7.4E+0 <6.8E+0 <8.5E+0 <4.8E+0 n Co-137 <9.2E+0 <7.8E+0 <1.2E+1 1.27E+1 n Ba/La-140 <1.0E+1 <7.3E+0 <1.BE+1" <7.8E+0 n Cross Beta 2.26E+0 1.87E+0 2.90E+0 3.01E+0 n

• Grab sample

• Did not meet LLD due to untimely processing.

Page 66 REV. O, 04/18/91

Forni 2 1990 Annual Radiological Environmental Monitoring Report n No data available from Lab at this time.

FERH1 2 DRINKING WATER ANALYSIS station DW-2 (pci/1)

Date Collected 11/26/90 12/27/90 Sr-89 n n Sr-90 n n Mn-54 n n Fe-59 n n Co-58 n n Co-60 a n 2n-65 n n tr/Nb-95 n n Co-134 n n Ce-137 n n Ba/La-140 n n Cross Deta n n n No data available from Lab at this time.

Pago 67 REV. O, 04/18/91

Formi 2 1990 Annus1 R di31tgic31 Environmental Monitoring Report i

I FERH1 2 SURFACE AND DRINKING WATER ANALYSIS l

Quarterly composite of Monthly Samples Station Quarter H-3 (pci/1)

SW-1 let Quarter 1.63E+1 2nd Quarter n 3rd Quarter n 4th Quarter n SW-2 let Quarter <2.0E+3 2nd Quarter n 3rd Quarter n 4th Quarter n DW-1 let Quarter <2.0E+3 2nd Quarter n 3rd Quarter n 4th Quarter n DW-2 let Quarter <2.0E+3 2nd Quarter n 3rd Quarter n 4th Quarter n n No data available from Lab at thin time.

Page 68 REV. O, 04/18/91

Forci 2 1990 Annual Radiological Environmental Honitoring Report i

FERMI 2 QUARTERLY OROUND WATER ANALYSIS Statio'. CW-1 (pC1/1)

Date Collected 03/16/90 06/15/90 09/14/90 12/14/90 Mn-54 <7.3E+0 <8.0E+0 <5.0E+0 *

<1.6E+1 <7.0E+1"

• re-59 <1.4E+1 Co-58 <8.CE+0 <7.4E+0 <1.0E+1

• Co-60 <1.1t+1 (9.5E+0 <4.0E+0

• En-65 <2.2E+1 <1.3E+1 <9.0E+0 *

<7.5E+0 <7.7E+0 <2.0E+1"

• Zr/Hb-95 Co-134 <9.3E+0 <6.7E+0 <4.0E+0

• Co-137 <9.8E+0 <7.6E+0 <4.0E+0

• Ba/La-140 <9.8E+0 <9.2E+0 <3.0E+4"

• H-3 <2.0E+3 9.9E+1 <6.0E+2

• station CW-2 (pci/1)

Date Collected 03/16/90 06/15/90 09/14/90 12/14/90 Mn-54 <8.9E+0 <6.1E+0 <4.0E+0

• Fe-59 <2.1E+1 <1.0E+1 <9.0E+1"

• Co-58 <B.2E+0 <6.0E+0 <2.0E+1a .

Co-60 <1.1E+1 <8.0E+0 <4.0E+0

• En-65 <1.8E+1 <1.1E+1 <1.0E+1 *

<9.1E+0 <4.7E+0 <2.0E+1"

• Zr/Nb-95 Cs-134 <6.9E+0 < 5 . 31.+ 0 <5.0E+0

• Cs-137 <9.0E+0 <7.8E+0 <1.0E+0

• Ba/La-140 <1.5E+1 <7.3E+0 <2.0E+4"

• H-3 <2.0E+3 <2.0E+3 (6.0E+2 *

• No data available from the Lab at this time.

" LLD not mot due to untimely processing.

Pago 69 REV. O, 04/18/91

Forci 2 1990 Annual Radiological Environmental Honitoring Report l

FERMI 2 QUARTERLY OROUND WT'rER ANALYSIS station OW-3 (pC1/1)

Da'to Collected 03/16/90 06/15/90 09/14/90 12/14/90

<7.9E+0 <6.9E+0 <4.0E+0

• Mn-54 Fe-59 <1.7E+1 <1.6E+1 <8.0E+1"

• Co-58 <8.9t+0 <6.5E+0 <1.0E+1

• Co-60 (1.3E+1 <7.1E+0 <4.0E+0

• En-65 <1.8E+1 <1.4E+1 <1.0E+1 *

<8.2E+0 <7.?E+0 <2.0E+1"

• Zr/Nb-9b

<6.5E+0 <6.3E+0 <4.0E+0

• Cs-134 Co-137 <1.1E+1 <8.0E+0 <5.0E+0

• Da/La-140 <1.1E+1 <9.1E+0 <3.0E+4" *

<2.0E+3 <2.0E+3 <6.0E+2

• H-3 Station CW-4 (pCL/1)

Date collected 03/16/90 06/15/90 09/14/90 12/14/90 Hn-54 <?.9E+0 <6.BE+0 <6.0E+0

• Fe-59 <1.7E+1 <1.4E+1 <1.0E+2"

• Co-58 <9.2E+0 <6.4E+0 <2.0E+1

• Co-60 <9.9E+0 <B.6E+0 <4.0E+0"

• En-65 <1.3E+1 <1.4E+1 <1.0E+1 *

<8.4E+0 <6.6E+0 <2.0E+1"

• Zr/Nb-95 Co-134 <7.9E+0 <4.8E+0 <5.0E+0

• Co-137 <1.1E+1 7.71E+0 <5.0E+0

• Ba/La-140 <1.1E+1 <9.6E+0 <3.0E+4"

• H-3 6.30E+1 1.16E+2 <6.0E+2 *

• No data available from the Lab at thin time.

" LLD not met due to untimely processing.

Page 70 REV. O, 04/10/91

rorni 2 1990 Annual Radiological Environmental Monitoring Report TERMI 2 LAKE ERIE SEDIMENTS ANALYSIS Station S-1 (pci/kg dry)

Date collected 05/01/90 10/11/90 Mn-54 <9.0E-3

• Fe-59 <$.8E-2

• Co-58 <1.6E-2

• Co-60 <1.0E-2

• Zn-65 <2.3E-2

• Zr/Nb-95 <3.1E-2

• Co-134 <6.3E-3

• Co-137 6.88E-3

• Ba/La-140 <6.2E-1

• Sr-89 <LLD

• Sr-90 <LLD

• Station S-2 (pci/kg dry)

Date Collected 05/01/90 10/11/90 Mn-54 2.67E-3

• Fe-59 <5.4E-2

• Co-58 <1.3E-2

• Co-60 2.33E-2

• Zn-65 2.00E-2

• Zr/Nb-95 <2.8E-2

• Ce-134 <4.6E-3

• Ce-137 6.85E-3 *

<6.6E-1

• Ba/La-140 Sr-89 <LLD

• Sr-90 <LLD *

• No data available trom the Lab at this time.

Page 71 REV. O, 04/18/91

Forni 2 -1990 An:ual Radisiggissa j Environmental Monitoring Report I

FERN! 2  !

LAKE ERIE BEDIMENTS ANALYSIS Station S-3-(pC1/kg dry)

Date Collected 05/01/90 10/11/90 Mn-54 <1.3E-2

• Te-59 <8.5E-2

• Co-58 <2.3E-2

• Co <1.6E-2

• En-65 <3.3E-2

• Er/Nb-95 <4.4E-2

• Co-134 -<8.5E-3

• l Cs-137 <1.1E-2

• i Ba/La-140 <1.2E40 =*

'Sr-89 St <LLD

-<LLD

]

i

)

Station S-4 (pci/kg dry)

~~~'

Date collected 05/02/90 10/18/90

_Mn 9.68E-3 *:

Fe-59 <8.4E-2 *

• Co <2.0E-2

• Co-60 <1.4E-2

• En-65 <3.0E-2-. -*

=tr/Nb-95 -<3.7E-2

• Cs-134' <7.5E-3

• Co-137 1.28E-2

• i Ba/La-140- <9.2E-1

• Sr <LLD

• Sr-90 <LLD '*

I

-* No dkta available from the Lab at this time.

Page 72 REV. 0, 04/18/91

Terni 2 1990 Annual Radiological Environmental Honitoring Report 1

TERMI 2 LAKE ERIE SEDIRENTS ANAIJBIS Station $~$ (pci/kg dry)

'Date collected 05/22/90 10/24/90 Mn-54 <2.1E-2

• Te-59 <1.0E-1

• Co-58 <3.2E-2

• Co-60 <3.0E-2

• En-65 <4.9E-2

• Zr/Hb-95 <6.4E-2

• Co-134 <1.7E-2

• Co-137 6.37E-2 *

<7.8E-1

• Da/La-140 Sr-89 <LLD

• Sr-90 <LLD *

• Ho data available from the Lab at this time.

Page 73 REV. O, 04/10/91

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l F0rmi 2 1990 Anrust R:dic1stl301 Environmental Monitoring Report FERHI 2 l CRASS SAMPLE ANALYSIS Station H-7 Collection 2-131 Cs-134 Cs-137 Ba/La-140 1 Date (;Ci/kg wet) 01/17/90 NS NS NS NS 02/14/90 NS HS NS NS l 03/13/90 NS NS NS HS 04/11/90 NS HS NS NS ,

                                                 <2.9E+1 05/09/90             <3.3E+1                                                              <2.9E+1                             <3.6E+1 05/23/90             <1.2E+2"                     <6.1E+1 8                               <B.5E+1"                            <1.4E+2 06/14/90             <4.1E+1                      <3.2E+1                                 <3.3E+1                             <5.7E+1 06/28/10             <3.9E+1                      <3.5E+1                                  <4.6E+1                            <4.2E+1 07/12/90             <4.8E+1                      <4.7E+1                                  <4.8E+1                            <6.7E+1 07/26/90             <3.4E+1                      <2.5E+1                                  <3.2E+1                            <4.?E+1 08/09/90             <3.0E+1                      <3.5E+1                                  <4.1E+1                            <3.9E+1 08/23/90             <5.7E+1                      <4.5E+1                                  <5.3E+1                            <7.5E+1 09/13/90             *                            *                                         *

• 09/27/90 <2.1E+1 <1.9E+1 <2.0E+1 <2.8E+1 10/11/90 * * *
• 10/25/90 * * *
• 11/08/90 * * *
• 12/06/90 * * * *
• Insufficient sample sire to meet LLD
• No data availabic from the Lab at this time.

Page 78 REV. O, 04/18/91

r:rsi 2 1990 An u:1 R dic1cgi331 Environmental Monitoring Report

                                                                                                        ]

TERMI 2 l ORASS SAMPLE ANALYSIS l Station H-8

                                        ~

Collection 2-131 Co-134 co-137 Ba/La-140 Date (pci/kg wet) 01/17/90 NA NA NA NA 02/14/90 NA NA NA NA 03/13/90 NA NA NA NA 04/11/90 NA NA NA NA 05/09/90 <3.7E+1 <3.3E+1 <4.0E+1 <4.3E+1 05/23/90 <8.1E+1" <4.7E+1 <4.8E+1 <7.0E+1 06/14/90 <4.4E+1 <2.9E+1 <4.4E+1 <3.8E+1 06/28/90 <3.2E+1 <3.5E+1 <5.8E+1 <5.7E+1 07/12/90 <4.7E+1 <5.1E+1 <6.8E+1 <7.1E+1 07/26/90 <6.7E+1" <3.8E+1 <4.1E+1 <1.4E+2 08/09/90 <5.3E+1 <5.7E+1 <8.0E+1 <5.6E+1 08/23/90 <4.2E+1 <3.2E+1 4.20E+1 <5.9E+1 09/13/90 <1.1E+1 <1.1E+1 <1.4E+1 <1.1E+1 09/27/90 <2.3E+1 <2.0E+1 <2.5E+1 <2.6E+1 30/11/90 * * *

• 10/25/90 * * *
• 11/08/90 * * *
• 12/06/90 * * *
• a Insufficient se.mple size to meet LLD NA No samples taken at this station until 05/09/90
• No data available from the Lab at this time.

I Pago 79 REV. O, 04/18/91

renai 2 1990 Annual Radiological Environmental Monitoring Report FERHI 2 CRASS SAMPLE ANALYSIS Station M-9 Collection 1-131 Co-134 Cs-137 Ba/La-140 Date (pci/kg wet) 09/13/90 <1.8t+1 <1.8E+1 <2.3E+1 <2.2E+1 09/27/90 <2.1E+1 <1.7E+1 <2.3E+1 <2.0E+1 Page 80 REV. O, 04/18/91

Fermi 2 1990 Annual Radiological Environmental Monitoring Report FERMI-2 FOOD PRODUCTS ANALYSIS Station FP-1 Sample (pci/kg wet) Date Cs-134 Cs-137 K-40 Co-60 Collected Type I-131 Location Indicator FP-1 <2.3E+1 <1.1E+1 <1.7E+1 3.26E+3 3.68E+1 07/30/90 Broccoli <2.1E+1 3.55E+3 <2.4E+1 Cabbage <3.3E+1 <1.8E+1 07/30/90 <3. 4 E+1 <2.5E+1 <3.0E+1 3.78E+3 <4.6E+1 08/16/90 Cabbage 1.00E+3 <4.3E+1

                                           <4.3E+1     <2.3E+1    <3.6E+1 08/16/90   Swiss Chard                    <2.BE+1    <4.2E+1   7.12E+3  <5.SE+1 Lettuce            <3.1E+1 08/16/90 Station FP-3 Sample                               (pCi/kg wet)

Date Cs-134 Cs-137 K-40 Co-60 Collected Type I-131 , Location Indicator FP-3 <5.0E+1 <2.5E+1 <3.4E+1 1.55E+3 <5.7E+1 07/30/90 Lettuce <2.8E+1 3.12E+3 <3.5E+1 Swiss Chard <4.0E+1 <1.9E+1 07/30/90 <4.OE+1 <2.2E+1 <3.3E+1 2.00E+3 <5.1E+1 07/30/90 Cabbage 1.50E+3 <4.1E+1

                                           <3.9E+1     <2.6E+1    <3.6E+1 08/16/90   Cabbage                                             3.41E+3  <4.8E+1         l
                                           <2.5E+1     <2.5E+1    <3.5E+1 08/16/90   Swiss Chard                               <4.1E+1   2.60E+3  <4.4E+1 Lettuce            <2. 6 E41   <3.0E+1 08/16/90 Page 81 REV. O,   04/18/91

4 Fermi 2- 1990 Annual RadiologicQ1 Environmental Monitoring Report 2 FERMI-2 FOOD PRODUCTS ANALYSIS s Station FP-5 Date Sample (pCi/kg wet)

Location Collected Type I-131 Cs-134 Cs-137 K-40 Co-60 Indicator FP-5 07/30/90 Broccoli <3.3E+1 <1.4E+1 <1.8E+1 3.71E+3 <3.2E+1 07/30/90 Swiss Chard <4.3E+1 <2.4E+1 <3.2E+1 3.83E+3 <4.6E+1 07/30/90 Lettuce <5.5E+1 <2.8E+1 <3.4E+1 4.40E+3 <5.8E+1 l 08/16/90 Broccoli <2.8E+1 <2.5E+1 <2.3E+1 4.43E+3 <4.3E+1 j 08/16/90 Swiss Chard <2.3E+1 <2.4E+1 <3.8E+1 3.90E+3 <4.7E+1 j 08/16/90 Lettuce <4.0E+1 <3.2E+1 <4.4E+1 5.33E+3 <4.5E+1 i

l Station FP-6 i ! Date Sample (pCi/kg wet) i Location Collected Type I-131 Cs-134 Cs-137 K-40 Co-60 l l Control FP-6 07/30/90 Broccoli <4.OE+1 <1.9E+1 <3.2E+1 3.17E+3 <3.8E+1 07/30/90 Cabbage <5.9E+1 <3.2E+1 <4.0E+1 2.52E+3 <6.6E+1 07/30/90 Lettuce <4.5E+1 <1.8E+1 <2.9E+1 3.17E+3 <3.OE+1 , 08/16/90 Cauliflower <3.6E+1 <3.9E+1 <4.1E+1 3.46E+3 <5.9E+1 l 08/16/90 Broccoli <3.2E+1 <2.6E+1 <2.5E+1 4.21E+3 <4.1E+1 l- 08/16/90 Cabbage <2.5E+1 <1.7E+1 <2.2E+1 1.20E+3 <2.7E+1 Page 82 REV. O, 04/18/91

Ferwi 2 1990 Arreset Radiologiest Emircrre stet Monitoring Report FEtel 2 FISM 5AM7tES ANALYSIS Stetion F-1 (pC!As wet) Eottection fish Co-58 Co-60 Zn-65 2r/sb-95 ss/te-140 Cs-134 Cs-137 Sr-89 Sr-90 pn-54 Fe-59 Date Type

                                                                                            <8.3C+1 <9.6E*1   <1.5E+3   <2.1E+1   <4.7E+1 1.32E+2 <3.5+1  <1.5E+2    <T.1E*1   <4.3E+1 Perch               1 20E+2                                                                                    5.4?E+1 05/22/90                                                                   <2.M +1   <2.5E+1 <5.CE+1 <4.4E+1   <5.6E+2   <1.5E+1
                                       <1.CE+1 2.23E*2 <1.5E+1 <8.4E+1

• 05/22/90 valleye * * * *
• 10/2&/90 Walleye * * * * *
• 10/2&/90 Crappie * * * * * *
• Carp *
• 10/24/90 * * * * * * *
• 10/2&/90 sucker
• No data available from the Lab at this time.

Peg

• E3 REv. O, C4/18/91

l 11l t t e r l e op eo ep t e i d g e ei m ro t t si 1 1 1 1 1 1

 .          u reo                              7            + + * + + +

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• 9 t 1

m 4 1 1 1 1 1 1 . u 3 + * + + +

• an o 1 E E E E E i r mi C s X. 89923 2 2 2 2 1 3 r

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• 5 9 1 1 1 1 1 2 b

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5 E E E E E E 6- 1 6 8 6 2 2 n 6t 6T 4 3 1 Z < < < < < . * * *

• 1 1 1 1 1 1 .

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0 E E E E E E 6- 6 4 8 2 4 8 o 4 3 23 25 S I C < < < < < < . * * *

• S 1 Y 9 L ) 1 1 1 1 1 1 /

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s r e e S e r yeh s B e, P P h r hs pe. h e ei ck l f pt e tet ow et p v e t m r ct t ri t t i r l o e u n a a a r i y F T P S uC C mwYeWC S ai f l e b a t l a v s a r e a _ i 0 0 0 0 0 0 0, 0 0 0 0 t t 9 9 9 9 9 9 9 9 9 9 a c / / / / / / , / / / / d . e 8 8 8 8 8 8 2 2 2 2 2 t e 0 0 0 0 0 0 1, 1/ 1 /1 1/ / o t t / / / / / / N o a 5 5 5 5 5 5 0 0 0 0 0 7 C D 0 0 0 0 0 0 2 1 1 1 1

• a 4 i [! 4 i f iil; 4  :;1i1j ;ljil ,ilj111

Fermi 2 1990 Annust Radiotestest Emiremtet Monitoring report FERMI 2 FISM SA.@tES AEALYSIS Station F-3 (pCi/kg wet) Collection Fish 2r/wb-95 8e/te-140 Cs-134 Cs-137 Fe-59 Co-58 Co-60 2n-65 Type sr-89 sr-90 mn-54 Date

                                                                                             <1.1E+2 <1.6E*2   <5.3E+3   <3.6E*1   3.35E+1 9.95E+1 <5.OE*1 <3.3E+2    <6.9E+1   <6.1E*1 Catfish             1.01E+2                                                                          <2.2E+1   3.11E*1 05/01/90                                                                  <5.3E+1   <3.6E+1 <5.3E+1 <T.1E+1   <3.OE+3
                                        <1.0E+1 1.03E*3 <2.6E+1 <2.0E+2 05/01/90           wetteye                                                                  4.5E+1  <1.0E+2   <4.9E+3   <2.7E+1   <3.9E+1              ,

1.59E+2 <3.5E+1 <1.2E+2 <T.0E+1 <2.9E*1 White sess <1.0E+1 * *

• 05/01/90 * * * * * *
• 10/16/90 Crsppie * * * * * *
• Walleye *
• 10/16/90 * * * * *
• 10/16/90 Corp * * * *
• 10/16/90 sucker
• wo date sveitabte from the tab et this tim i

f re e5 REV. O, 04/18/91

rersi 2 1990 Annual Radiological 2nvironmental Honitoring Report 10.0 Aaaencices Pago 86 REV. O, 04/10/91

rormi 2 1990 Annual Radiological Environmental Honitoring Report i Appendix A Interlaboratory Comparison Program Results International Technology Corporation participates in the Environmental Protection Agency (EPA) interlaboratory comparison (crosschock) program to provide an independent check on the laboratory's analytical procedures. Participant laboratories measure the concentrations of specified radionuclides and report them to the issuing agency. Several months later, the agency reports the known values to the participant laboratorico and specifies control limits. The resulte in Appendix A were obtained through participation in the environmental sample crosscheck program for air filters, milk, and unter during the period January through September, 1990. The analysis results for 1990 that were not within the allowable limits as required by the EPA are noted in the table. Page 87 l REV. O, 04/18/91

Farmi 2 1990 Annual Radiological Environmental Monitoring Report INTERNA 110NAL TECHNOLOGY CORPORATION EPA INTERIABORATORY COMPARISON All resulto pC1/1 except K-40 (mg/1) and Air Filter sampion (pci/ filter) Analysis ITC EPA Normalized Type Dato Romult Result Deviation Air Filter OB- 03/30/90 31.00 31.00 0.00 08/31/90 65.00 62.00 1.04 Sr-90 03/30/90 13.33 10.00 3.85" 08/31/90 21.00 20.00 0.35 Co-137 03/30/90 10.00 10.00 0.00 08/31/90 21.67 20.00 0.58 Ellh Sr-89 09/28/90 16.00 16.00 0.00 sr-90 09/28/90 16.30 20.00 -1.27 I-131 09/28/90 52.00 58.00 -1.73 Co-137 09/28/90 23.00 20.00 1.04 Water GA 01/26/90 15.33 12.00 1.15 05/11/90 20.33 22.00 -0.48 09/21/90 6.67 10.00 -1.15 GB- 01/26/90 11.00 12.00 -0.35 05/11/90 7.33 15.00 -2.66 Co-60 02/09/90 17.00 15.00 0.69 06/08/90 27.67 24.00 1.27 En-65 02/09/90 140.00 139.00 0.12 06/08/90 149.67 148.00 0.19 Ru-106 02/09/90 129.33 139.00 -1.20 06/08/90 207.00 209.00 -0.25 Cs-134 02/09/90 15.67 18.00 -0.81 06/08/90 22.67 24.00 -0.46 Co-137 02/09/90 20.33 18.00 0.81 06/08/90 26.00 25.00 0.35 Ba-133 02/09/90 71.33 74.00 -0.66 06/08/90 96.33 99.00 -0.46 I-131 08/10/90 43.00 39.00 1.15 Pu-239 08/24/90 7.67 9.10 -2.76 Ra-226 07/13/90 14.80 10.30 2.60 Ra-228 07/13/90 10.3 5.1 6,88 Pago 88 REV. O, 04/18/91

Forsi 2 1990 Annual Radiological Environmental Monitoring Report l INTERNATIONAL TECIINOLOGY CORPORATION EPA INTERLABORATORY COMPARISON All resulta pol /l except K-40 (mg/1) and Air rilter samples (pci/ filter) Analysis ITC EPA Normalized Type Date Result Result Deviation Water (cont) Sr-89 01/12/90 19.00 25.00 -2.08 05/04/90 6.00 7.00 -0.35 09/14/90 9.67 10.00 -0.12 D Sr-90 01/12/90 16.67 20.00 -3.85 05/04/90 8.83 7.00 0.46 09/14/90 8.67 9.00 -0.12 H-3 02/23/90 5144.67 4976.00 0.59 06/22/90 2553.33 2933.00 -1.84 GD- = Gross Beta, GA = Gross Alpha a Normalized Deviation above Upper Control Limit (UCL) b Normalized Deviation below Lower control Limit (LCL) Note: ITC was contacted regggding corrective action on cross-checks outsido control limite. Page 89 REV. O, 04/18/91

Fermi 2 1990 Annual Radiological Environmental Monitoring Report i Appendix B Summary of Higher Than E):pected I-131 in Environmental Milk Samples Page 90 REV. O, 04/18/91

Formi 21990 Annual Radlological EnvironmentalMonttoring Report Detroit Edison Fermi 2 Summary of Higher Than Expected 1-131 in Environmental Milk Samples Evaluation On October 29,1990, while reviewing the latest environmental data results, elevated levels of lodine (1 131) were noticed in the May milk sample results: April I131 May I-131 June 1131 Location Dates pCl/l Dates pCl/l Dates pCl/l M2 4/11/90 0.00 5/9/90 1.98 6/14/90 0.00 5/23/90 1.09 6/28/90 0.88 M3 4/11/90 0.00 5/9/90 17.80 6/14/90 0.20 5/23/90 6.22 6/28/90 0.00 M 3 (OC) 4/11/90 0.05 5/9/90 1.24 6/14/90 0.05 5/23/90 0.47 6/28/90 0.00 M8 None 5/10/90 0.78 6/14/90 0.00 5/24/90 2.93 6/28/90 0.00 Notes: Location M-2 is at 2705 E. Labo, M-3 is at 3239 Newport Rd, and M-8 (control location) is at 9344 Finzel Rd. The M 3 (OC) samples are duplicato quality control samples taken from the same allotment of milk. The Fermi 2 Technical Specification Lower Limit of Detection (LLD) for I-131 is 1.0 pCl/1. Anything equal to or above that is considered a detectable quantity. A detected quantity of from 1 to 3 pCl/l seen occasionally would not be unusual due to the counting statistics at that low level. Two factors triggered the evaluation: two sample results that were well above the statisti-cal variation limits, and the frequency of the detectable results; six samples above LLD in one month. The first step was to determine reportability with one key point in mind; were the elevated results due to plant effluents? A preliminary problem solving session was held on Oc-tober 29. It was agreed in this session to explore all possibilities of I 131 sources. A reactor scram on April 10,1990 appeared to be the most likely source of an 1131 release of sufficient magnitude to result in the concentrations seen in the May milk samples. Subsequently appropriate data was acquired to perform an evaluation, focus-ing on the 4/10/90 scram time period. Data acquired and evaluated included:

           . Meteorologicaldatafor4/10/90
           . Reactor coolant chemistry data
           . Effluent data for the Reactor Building Page 91 Rev. O,04/18/91

Formi 21990 Annual Radiological Environmental Monitoring Report

        . All1990 milk sample data
        . Reactor and Turbine Building noble gas monito, Jata
        . Vendor analysis sheets for the samples tri question
        . Vendorquality controldata 1131 sources received on site in April and May 1990 1990 TLD and alt sample results TLD Results mRom TLD           Location      Otr 1       Otr 2 Otr 3 T5            NW/0.6 ml     19.9        12.9     15.0 T6            WNW/0.6 ml    16.0        13.2     16.8 T-8           NW/1.9 ml     16.0        14.6     15.9 T 15          NW/3.9 ml     18.0        9.7      Missing T 16          WNW/4.9 ml    19.1        22.6     13.8 T 32          WNW/10.3 ml 16.4          16.7     13.5 T 33          NW/9.2 ml     18.5        14.2     13.8 T 38          WNW/1.7 ml    19.2        19.4     15.3 Controls T7            W/14.2 mi    16.5        14.6     15.4 T 28          SW/10.7 ml   16.4        12.4     14.3 T 29          WSW/10.3 ml 18.2          17.4     9.5 Air lodine Results APl3                  APl4 Dato                                    I-131                 1-131 Collected                               pCl/m 3               pCl/m 8 4/3/90                                 <0.018                <0.022 4/10/90                                <0.032                <0.020 4/17/90                                <0.011                <0.015 4/24/90                                 <0.030               <0.029 5/1/90                                  <0.019               <0.016 5/8/90                                  <0.023               <0.020 5/15/90                                 <0.020                <0.015 5/22/90                                 <0.022                <0.021 5/29/90                                 <0.023                <0.016 6/5/90                                  <0.032                <0.025 6/12/90                                 <0.017                <0.023 6/19/90                                 <0.035                <0.028 6/26/90                                 <0.016                <0.018 Page 92 Rev. O,04/18/91

Formi 21990 Annual Radisi:gical_' EnvironmentalMonitoring Report Notes: APl3 is located NW 0.6 mi on the site fence; APl4 (control)is located W 14.2 ml at 7412 N. Custer Rd.- Detectable quantitles are those equal to or greater than the Toch - LSpec LLD of 0.07 pCl/m3for lodine in air. - Additionally, calculations were performed to determine the amount of I 131 that would

have to have been released in order to see the levels reported in the milk samples, and the concentration in cows' milk following a deposition on grass.

                      . Based on en evaluation of the above Information,it is concluded that the I 131 did not como from Fermi 2 plant effluents. There is no conclusive evidenco pointing to where it                                   l did come from.' At this time, the best assumption is that either:

1. The milk samples were cross contaminated at the vendor laboratory ,

                       ;2.- The instrumentation used at the laboratory was out of tolerance "hlgh", which would .

. provide falso pos!tive results.

As discussed earllor in this report, a now vendor laboratory has been contracted to por-form REMP sample analysis. , L L > l s lL [s L L Page 93 Rav. O, 04/18/91 1 . l, >}}