NRC-92-0032, 1991 Annual Radiological Environ Monitoring Rept
| ML20095J966 | |
| Person / Time | |
|---|---|
| Site: | Fermi  |
| Issue date: | 12/31/1991 |
| From: | Orser W DETROIT EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CON-NRC-92-0032, CON-NRC-92-32 NUDOCS 9205040231 | |
| Download: ML20095J966 (153) | |
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o-April 30, 1992 NRC-92-0032 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D. C. 20555 Referer.ce: Fermi 2 NRC Docket No. 50-y41 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 1991 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, cc: T. G. Colburn (w/ encl.) A. B. Davis (w/ encl.) H. P. Phillips (w/ encl.) S. Stasek (w/ encl.)
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7.- . F I- FERMI 2 1991 ANNUAL
- RADIOLOGICAL ENVIRONMENTAL
. MONITORING REPORT I
Y Detroit
. Edison Company a
Fermi 2 1991 Annual Radiological Environmental Monitoring Report TABLE OF CONTENTS List of Tables . .. . . . . . . . . . . . . . . . . . . . . . . . . . iv List of Figures .... . . . . . .. ... . . . . . . . . . . . . . . v
]
Executive Summary .. ... . , .. .. .. . . . . . . . . . . . . - . . . . . . . .. 1-1 Radiological Environmental Monitoring Program .. . . . . 1 Introduction Preoperational Program Operational Program Quality Assurance Terrestrial Monitoring Program .. , .. .. .. . . . . . . . . . . . . . . . , , , . . . 3-1 Introduction - Direct Radiation Air Sampling . Milk and Grass Sampling
' Garden Sampling Program Aquatic Monitoring Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ... 4 ' Introduction Drinking Water Sampling Surface Water Sampling -
. Groundwater Samoling Sediment Sampling ~
Fish Sampling; Land Use Census . .. .. .. . . . . . . .... . . . . . . . . . . . . . 5-1 Land Use Census ~ .
.1991 Land Use Census Results Program Execution ..._... ... .. . . . . . . . . . . . . . . . . . ... . . . . . 6-1 1991 Program Executica EnvironmentalTLDs Air Sampling Milk Sampling Grass Sampling
- Water Sampling Drinking Water Sampling
- Surface Water Sampling Laboratory Deviations li
Fermi 21991 Annual'Hadiological Environmental Monitoring Report TABLE OF CONTENTS (cont.) l Program Summary . ..... . . . . . . . . . . , . . . . . . . ., . . 7-1 Sampling Locations ... .. . _ . . . . . . . .. . . . . . . . . . . . . . . . .. 8-1 Data Tables . . . . . . .. . . . . . . . . , . . . 9-1 Appendix A Interlaboratory Comparison Results.. , . . .. 10-1 l l t e I 1 !i iii
i k' Formi 2 1991 Annual Radiological Environmental Monitoring Report List of Tables Table 5--1 Residences . . . . . . . . . . . . . . . . . . . . . . 5-3 Table 5-2 G ardens .... ..... ... .. . ..-.. . . . . . . . . . . .. . 5-4
= Table 5-3 - Milk Locations . . . . . . . . . . . . . . . . . . . . - . . . . . . . . 5 Table 7-1 Radiological Environmental Monitoring Program Summary. . . . . . . . . . . . . . . . . . . , . .. . 7-2 Table 8-1 Direct Radiation ... . ... ... . . . . . . . . . . . . . . . . . . . . - . . . . 8-2 Table 8-2 Air Particulate / Air lodine Sample Locations..-.. . . . 8-8 Table 8-3 . Milk / Grass Sample Locations , .. ...~.... ... ... ,. 8-9 Table 8-4 Vegetable Garden Sample Locations ... . . . . . . . . . . . . 8-10 Table 8-5 Water Sample Locations . .. . . . . . .. . . . . . . . . . . . . 8 -11 Table 8 Fish and Sediment Locations . . . . . . . . . . . . . . . . . . 8-12 E
4 IV
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Fermi 9 1991 Annual Radiological Environmental Monitoring Report List of Figures Figure 1 _ Sampling Locations By Station Number .. . .. . ... .. . 8-13 (Site Area) Figure 2 Sampling Locations By Station Number .. .. ... . . . . . . . . , 8-14
. (Greater Than 10 Miles)
Figure 3- Sampling Locations By Station Number . .. . . .. . 8-15 4
. (Less Than 10 Milos) 1 i
Figure 4 Sampling Locations By Station Number .. ... . ..... . .. 8-16 (Site Area - Lake Erie) i i:
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Fermi 21991 AnnualRadiolo0ical Environinental Monitoring Report EXECUTIVE
SUMMARY
1-1
Fermi 2 1991 Annual Radiological Environmental Monitoring Report EXECURVE
SUMMARY
The Annual Radiological Environraental Monitoring Report is a detailed report on the Radiological Environmental Monitoring Prograrn (REMP) conducted at Detroit Edison's Fermi 2 from January 1 through December 31,1991. In 1991, more than 1000 environmental samples were collected for the REMP __ These samples represented direct radiation; atmospheric, terrestrial, and s .tuatic ' environments; and Lake Erie surface water and municipal drinking water supplies. More than 2000 laboratory analyses were performed on these environmental samples The results showed that radioactivity levels were n significantly increased from the radioactivity levels detected prior to the operation of the plant. Direct radiation measurements were taken at 63 locations using thermo-luminescent dosimeters. The average quarterly dose was 13.6 mrom/ standard quarter and is consistent with ambient radiation levels measured prior to the operation of the plant. Atmospheric monitoring results for 1991 were within the same range as measurements made prior to the operation of the plant. No radioactivity attributable to the opera'aon of Fermi 2 was detected in any atmospheric samples during 1991. Terrestrial monitoring of leafy garden vegetables, milk, and grass showed _ naturally occurring radioactivity and radioactivity associated with past weapons testing and the nuclear accident at Chernobyl (U.S.S.R.). The radioactivity levels detected were consistent with the preoperational and, with the exception of 1986, the year of the accident at Chernobyl, prior operational levels. Aquatic momtoring includes analysis of fish samples, shoreline sediment samples, and take bottom sediment samples. One lake bottom sediment sample, takert about 200 feet offshore of the Fermi 2 liquid disenarge point, showed radioactivity attributable to liquid discharges from Fermi 2. This finding is not unexpected given the proximity of the sample location to the liquid efflue",t discharge point, and the amount of radioactivity in this sample is not large: It is less than the amount of natural radioactivity seen in other sediment samples in 1991. Since this activity is on the lake bottom offshore from Fermi 2 it is almost inaccessible to the public. All r.>ther sample media from the Fermi 2 REMP program showed radioactivity levels that were consistent with levels detected prior to the operation of the plant. 1-2 l l
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- Fermi 2 1991 Annual Radiological Environmental Monitoring Report =
Drinking ;- water, surface wator.,- and groundwater - monitoring results were , consistent with the results obtained prior to the operation of the plante None of j l the 1991 water samples showed detectable radioactivity due to the operation of i FermiE. ij
- The maximurr. dose to a member of the general public due to radioactivity.
released as gaseous effluents was less than 0.1% of the annual limit. The maximum -dose to a- member of the general public due to radioactivity released as liquid effluents was less than 0.1% of the annual limit. i l Comparisons of 1991 environmental data, pre-1991 data, and preoperational data showed that the operation of Formi 2 had no significant radiologicalimpact upon the environment. In October -of 1991, rediment samples were collected in the cooling water ,
- discharge canal as part of the Fermi 1 Environmental Monitoring Program: - These samples showed low concentrations of Mn 54, Co-60, Zn-65, and Cs-137. Given 1 that Mn-54 and 2n-65 have short half lives (approximately 250 days), and that the last discharge from Fermi:1 was made in June 1975, l1 is unlikely that these. _
radioisotopes _ in these samples resulted from the operation of Fermi t Detroit L Edison believes that the radioactivity in these sediments is 'he result 'of the l recirculation. of plant liquid. effluent releases. Detroit Edison is conducting
' additional sampling and monitoring to evaluate the_ recirculation of ll quid ; releases.- :The avaluation of this additional sampling and monitoring will be provided when it is complete.
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Fermi 2 1991 Annual Radiological Environmental Monitoring Report RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM mM e 2-1 l
l Fermi 2 1991 Annual Radiological Environmental Monitoring Report INTR ODUCTION The purpose of the Radiological Environmental Monitoring Program (REMP) is to assess the environmental impact of operating Ferrni 2. This program also provides the verification of tne effluent monitoring program during routine operation of the plant and serves as an in place sampling network in the event of an accidental release. Monitoring stations are placed at pre-determined locations which measure any effects from operating the plant, and at control locations which are beyond the influence of the plant. At Fermi 2, the monitoring program is designed to measure radiation exposure to the public. Exposure to the public can occur through direct pathways such as inhalation or immersion, or indirectly through the food chain, These exposure pathways ara monitored using thermoluminescent dosimeters (TLDs), and by the collection of air, milk, garden produce, water, fish, and sediment samples. Direct exposure by inhalation or immersion is measured both by TLDs and by collection of air samples. TLDs continuously monitor the radiation environment and provide a direct measurement of ambient gamma radiation levett The locations of both the lLD and air sampling sites were chosen with respect to the meteorology and population distribution around Fermi 2. Air samples are collected through a particulate filter and an activated charcoal filter in tandem using continuously running air samplers. The particulate filters are analyzed individually for gross beta activity and composited for gamma spectrum analysis. The charcoal filters are analyzed for lodine-131 (1-131). Radionuclides can enter the food chain through atmospheric or liquid discharges g from the plant. Radionuclides released to the atmosphere, such as 1-131, may be deposited on agricultural land and then ingested by dairy cows or coats, becoming concentrated in the animal's milk. Radionuclides can also become incorporated in garden produce such as green leafy vegetables. Monitoring for radionuclides due to liquid discharges includes collection of surface and drinkin0 water, fish and sediment samples. These samples are collected upstream of the plant discharge as a control location, and at the discharge and downstream of the discharge as an indicator location 2-2
- . ~ - . - . - ., _ . . . . . - - --
i i Fermi 2 1991 Annual Radiological
- Environmental Monitoring Report Fish are sampled semiannually and the species collected correspond to those ;
that may be consumed by the local population. Fish are good indicators because i they tend to concentrate radionuclides by ingestion and provide an effective mechanism for integrating the variable concentrations of radionuclides in the water over extended periods. Sediments are also collected semiannually. Sediment, in the vicinity of the liquid radwaste discharge, represents the most likely site for accumulation of radionuclides in the aquatic environment and, with long-lived radionuclides, a gradual increase in radioactivity concentration is expected over time. Sediments, therefore, provides a long-term indication of change that may appear in other sa nple media (i.e., water and fish samples). PREOPERADONAL PROGRAM All nuclear power plants are required by the Nuclear Regulatory Commission
'(NRC) to conduct radiological environmental monitoring before construction of a faellity. This preoperational program at Fermi 2 was aimed at collecting data needed to identify critical pathways, and determine the existing levels of radiation and radioactive products occurring naturally and from man-made sources in the vicinity of the plant.
Fermi 2 began its preoperational program seven years (1978) before the plant began producing -power. in 1985. The data accumulated during those years established a baseline for which to compare operational data. The program consisted of monitoring air, drinking water, surface water, lake sediments, milk, vegetables, fish,'and direct radiation in the environment in the vicinity of FermL 2. The elements that made up the preoperational monitoring program are still in effect today OPERADONAL ( 90 GRAM The preoperational 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 continuously monitors direct radiation,
- radioactivity in air, take sediments and water, drinking water, groundwater, cow and goat milk, and local garden vegetables.
2-3 l
Fermi 2 1991 Annual Radiological Environmental Monitoring Report OU AL.lW ASSUR ANCE An important part of the enviro:. mental monitoring program at Fermi 2 is Quality Assurance (OA). QA is the program which provides a method to check the e adequacy and validity of the monitoring program- it accomplishes this by independent annual audits by qualified personnel, strict adherence to written procedures, and good record keeping practices. The OA program is designed to identify possible deficiencies in the REMP so that corrective actions can be initiated promptly The OA program at Fermi 2 is conducted in accordance with the guidelines specified in NRC Regulatory Guide 4.15. " Quality Assurance for Radiological Monitoring Programs". Detroit Edison requires its contract analytical laboratory to participate in the United States Environmental Protection Agency's (EPA) crosscheck program, in the EPA crosscheck program, participant laboratories receive from the EPA environmental samples of known activity for analysis.- After the samples have been analyzed by the laboratory, the EPA re -ts the known activity of the samples to the laboratory. The laboratory's reu.ts are compared to the EPA reported concentrations to determine any deviations. In 1991, Teledyne 1sotopes
- correctly analyzed,-within one standard deviation, 92% of the EPA crosscheck L' samples. Of the six samples which did not fall within this range, fou; were within l two standard deviations, and two were within three standard deviations of the EPA values. Participation in this program provides assurance that the laboratory is capable of meeting accepted criteria for radioactivity analysis. The results of the 1991 EPA crosscheck piogram are tabulated in Appendix A.
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Fermi 21991 AnnualRadiologral-Environmental Monitoring Report TERRESTRIAL MONITORING PROGRAM l I'
- 3-1 1
Fermi 2 1991 Annual Radiological Environmental Monitoring r'eport TERRESTRI AL MONITORING PROGR AM INTRODUCUON 1 The terrestrial monitoring portion of the REMP provides for a continuous
- surveillance of the non-aquatic env:ronment surrounding Fermi 2 The program consists of monitoring the' atmosphere, milk, grass, and vegetables for radioactivity that might originate from the operation of the plant. The program I also monitcrs direct radiation in the environment surrounding Fermi 2. The )
i following sections discuss the type and frequency of terrestrial sampling, l analyses performed, and a comparison of 1991 data to previous operational and preoperational data. DIRECT R ADI ATION 1 Detroit Edison uses thermoluminescent dosimeters (TLDs) to measure direct i gamma radiation in the invirens of Fermi 2. Teledyne Isotopeo environmental 1LDs are presently being used to measure direct radiation. These dosimeters are 25% by weight Calcium Sulfate encased in Teflon. The TLDs are thoroughly E tested to comply' with NRC Regulatory Guide 4.13 and American National i Stendards_ institute's (ANSI) publication N545-1975, which assure accurate !- measurements under varying environmental conditions before being placed in the field. While in the field, these TLDs are exposed to background radiation and, if measurable, gaseous effluents and direct radiation from Fermi 2. Environmental TLDa are exchanged and processed on a quarterly basis. Indicator TLDs are located within a ten mile radius of the plant and control TLDs are located greater than ten miles. The average exposure for indicator TLDs during the preoperational program was 17.3 r iRem/Std Otr_ and 17.5 mrem /Std Ott for control TLDs. The annual average exposure for indicator TLDs ranged from 13.6 mrem /Std Otr to 21.0 mrem /Std Otr. The annual average exposure for control TLDs ranged from 15.5 mrem /Std Otr to 21.9 mrem /Std Otr.
- From 1995 to 1990 the average exposure for indicator TLDe was 16.6 mrem /Std Otr and 17.4 mrem /Std Otr for control TLDs. The annual average exposure for in9cator TLDs ranged from 14.7 mrem /Std Otr to 20.3 mrem /Std Otr. The annual average exposure means for controf TLDs ranged from 13.9 mrem /Std Otr to 22.2 mrem /Std Otr. As Figure 3-1 shows, the operational period from 1985 to 1990 was consistent with the preoperational program.
32
Fermi 2 1991 Annual Radiological Environmental Monitoring Report in 1991, the TLD monitoring program included sixty-three (63) TLDs The indicator TLDs had an average exposure of 13.6 mrem /Std Ott and ranged from 9.5 to 18,6 mrem /Std Otr. The control TLDs had an average exposure of 13.4 mrem /Std Otr and ranged from 11,5 to 15.1 mrem /Std Otr. As Figure 3-1 shows, the ' average exposure for indicator and control TLDs was slightly lower than previous years, including preoperational years. ENVIRONMENTAL TLD EXPOSURES CONTROL vs INDICATOR mrem /Std. Otr. 25 p 20 - x, 'ea 1 h [2 M fj h 15 ~_9 q 9 d (b -{N; b ~}rn Ej ((Ij R1 P r~$S4 as 4 p? f! gli O [3 l*,l $f %p] tyd S' Tj ]C"A $]
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$]j Ap; j ((1 d i b @x) l4 % q to u f- = a o b' 1 d - ' di 78 79 80 81 82 83 84 85 86 87 88 89 90 91 -
Year [_~j indicator Means [Eid Control Means Figure 3-1 3-3 l
Fermi 2 1991 Annual Radiciogical Environmental Monitoring Report AIR SAMPLING Detroit Edison continuously samples the atrnosphere surrounding Fermi 2 for radioactivity Air sampling began in 1979, during the preoperational program. At each sampling location a mechanical air sampler is used to draw a continuous volume of air through two filters designed to collect particulates and radioiodines - Air samples are collected weekly and analyzed for gross beta and lodine 131 activities. The particulate filters for each sampling location are combined on a ! quarterly basis to form a ' composite sample" and are analyzed for Strontium 89/90 and gamma emitting isotopes. There are four indicator sampling locations which were selected based on an evaluation of the predominant wind directions. A fifth sampling location is approximately 14 miles west of the plant and is ! considered to be a control location unaffected by the operation of the plant. During the preoperational program, excluding the year 1981, the average gross beta for indicator air samples was 2.6E-2 pCi/ cubic meter and ranged from 2.0E-2 to 4.0E 2 pCi/ cubic meter. - The average gross beta for the control samples was 2.5E-2 pCi/ cubic meter and ranged from 1.9E-2 to 3.5E-2 pCi/ cubic meter, in late 1980, the Peoples Republic of China conducted an atmospheric nuclear weapon test. The fallout from this test was detected in Fermi 2 environmental air samples in 1981. ' The average gross beta for 1981 was 1.6E 1.pCl/ cubic meter for indicator samples and 2.4E-1 pCi/ cubic meter for control samples. Gamma spectroscopic analyses of the particulate filters - revealed - Cs-137, Ce-141, Ce 144, Ru-103, Ru-106,' Zr-95, Nb-95, Mn 54, and Sb-125 in the atmosphere as a result of this test. From 1985 to 1990 the average gross beta for indicator samples was 2.5E 2 pCi/ cubic meter and ranged from 2.1E-2 pCi/ cubic meter to 3.4E-2 pCi/ cubic meter. The average. gross beta for the control samples was 2.4E-2 pCi/ cubic meter and ranged from 2.0E 2 pCi/ cubic meter to 3.3E-2 pCi/ cubic meter. In 1986, as shown in Figure 3 2, there was a slight increase in gross beta activity-and a 2.7E-i pCl/ cubic meter " spike" in the lodine 131 activity. These elevated activity levels .have been ' attributed to the nuclear accident at Chernobyl (U.S.S,R.) on April 26,1986. For the operational period from 1985 to 1" ,, excluding 1986, the air sampling data is consistent with the preoperational data. 3-4 L l 1-
Fermi 2 1991 Annual Radiological Environmental Monitoring Report ENVIRONMENTAL AIR SAMPLING AVERAGE GROSS BETA and 1-131 pCi/ cubic meter 0.3 [ ---] O.25 [\ 0.2 - Yj l fdl / l\
/
\
0.15 - I lk O.1 p - 0.05 -
, _. ._.q __._ . . __. _/ _.__._._4 ha o . Isrn i m m m m l a m m m. a 78 79 80 81 82 83 84 85 86 87 88 89 90 91 Year Cindicator Gross Data 8 Control Gross Beta + lodine 131 Figure 3-2 During 1991, two hundred and fifty nine (259) particulate air filters were collected and analyzed for gross beta activity and two hundred and fifty-eight -(258) charcoal filters were collected and analyzed for 1-131. The average gross bets for indicator samples was 2.2E-2 pCi/ cubic meter and ranged from 6.1E-3,to 3.4E-2 pCi/ cubic meter. The average gross beta for control samples was also 2.2E-2 pCi/ cubic meter and ranged from 1.1E-2 to 3.9E-2 pCi/ cubic meter. The morithly average gross beta is shown in figure 3-3. The extremely small variations in the monthly gross beta- averages are attributable to atmopheric factors such as wind patterns, percipitation, dust loading, pollen count, etc. None l of the charcoal filters collected showed detectable levels of 1-131.
Twenty (20) quarterly particulate filter composites were prepared . nd analyzed fot Sr-89/90 a.d gamma emitting isotopes. Only naturally occurrins, J-40 and Be-7 were detected in these samples. I. 3-5 l
Fermi 2 1991 Annual Radiological Environmontal Monitoring Roport AIRBORNE PARTICULATE GROSS BETA FOR 1991 . pCi/ cubic meter 0.03 i - - - - - - - - C l A l
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* ' ' ' ' ' 3 JAN FEB MAR APR MAY JUN JUL-AUG SEP OCT NOV DEC
+ Indicator Locations Control Location Figure 3-3 3-6 I
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I fermi 2 1991 Annual Radiological Environmental Monitoting Report MILK AND GRASS SAMPLING The milk and grass SUnpling portion of the REMP is perhaps the most important aspect of the program. This is because a major radiation exposure pathway to the public can be the consumption of milk from local grazing animals (dairy cows or goats). Milk is collected from two indicator locations and one control location semimonthly when animals are on pasture and monthly at other times The milk is analyzed for 1-131, gamma emitting isotopos, and Sr 89/90. Milk sampling began in 1979 in the preoperational program. During this time period milk samples were only analyzed for 1-131 and gamma emittmg isotopes. From 1979 to 1984 Cs-137 and naturally occurring K-40 were the only isctopes detected in milk samples. During the opera'ional period between 1985 and 1987, milk samples were also only analyzed for 1-131 and gamma emitting isotopes. In 1986, after the nuclear accident at Chernobyl (U.S.S.R ) 1 131 and Cs-137 were detected ir. both Indicator and control milk samples. The analysis for Sr-89/90 began in 1988 and Sr-90 is now routinely detected in both indicator and control milk samples. The presence of Sr 90 in mi x and other environmental samples is due to past atmospheric nuclear weapons testing. Naturally occurring K 40 was also detected in milk samples during this period. For the operational period from 1985 to 1990, excludmg 1986, the milk sample data is consistent with the preoperational data. During 1991, fifty-seven (57) milk samples wors collected and anclyzed for 1-131, gamma emitting isotopes, and Sr-89/90. Naturally occurring K-40 was detected in both indicator and control sarnples in all fifty-seven samples. Both indicator and control samples had an average K-40 concentration of 1.3E+3 pCi/l. Sr 90 was also detected in both indicator and control mil'K samples. Us 137 was detected in one indJcator sample and can be attributed to past atmospheric nuclear weapons testing or to statistical variance in sample counting. Since Cs-137 has never been detected in any gaseous effluent sample from Fermi 2, and since the pathway frota Fermi 2 to milk would be the deposition of gaseous effluents on the ground, it would appear that none of the Cs-137 activity in milk is due to Fermi 2 effluents. For 1991, the milk sampling data is consistent with prior c;orational data and preoperaticrial data. 3-7
Fermi 2 1991 Anaual Ratological Environmental Monitoring Report in 1970, the concentration of Sr-90 in local milk was 6 pCi/ liter according to the Michigan Department of Health's
- Milk Surveillance", Radiation Data and Reports, Vol. 11-15,1970-1974. Figure 3-4 shows the calculated decay curve for '
the 1970 concentration of St 90 and the average concentrations since 1988. Figure 3-4 shows the inventory of St-90 in the local environment is decreasing with time and closely follows the calculated decay curve. This would suggest that the inventory of Sr 90 in the environment is due to past atmospneric nuclear weapons testing. 1 ENVIRONMENTAL MILK SAMPLES , Sr-90 CONCENTRATION pCi/ liter i 7 - - - - l 6 TN 5, 4 t N_N~ %.
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{- M w. l 0 ' ' ' ' ' L' 1 '~~i * ' ; A, S 1970 1975 1980 1985 88 89 90 91 Year-G Average Activty -*-- Calculated Decay Figure 3-4 3-8 l I
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i Fermi 2 1991 Annual Radiological Environmental Monitoring Report in addition to milk sampling, grass samples, when evailable, are collected at the control locttion and near the critical receptor's locatior; during each sampling period and are analyzed for 1-131 and gamma emitting isotopes Grass samples are collected, instead of milk, adjacent to the critical receptor's location because the individuals at tha residence do not participate in the REMP program. Grass sampling began in 1985 in tne operational program. During the operational period between 1985 and 1990, naturally occurring K-40 was detected in both indicator _ and control grass samples. Cs-137 was also detected in both indicator and control samples and had an average concentration of 5.5E+ 1 pCi/kg wet. In 198,, after the nuclear accident at -Chernobyl (U.S.S.R.) 1-131, Cs-134 and Cs-137 were detected in both indicator and control grass samples. During 1991, twenty four (24) grass samples were taken and analyzed for 1131 and gamma emitting isotopes. Naturally occurring K-40 and Be-7 were detected in both indicator and control grass samples. Cw-137 was also detected in both indicator and control samples. Two out of twelve indicator samples showoo positive activity for Cs-137 and averaged 4,7E+1 pCi/kg wet. One control sample showed activity for Cs-137 at a concentration of 1.2E+1 pCilkg wet. The presence of Cs-137 in grass samples is due to past atmospheric nuclear weapons testing and the nuclear accident ai Chernobyl (U.S.S.R.). For 1921, the grass sample data is consistent with previous years.
' GARDEN SAMPLING PROGR AM Fermi 2 collects samples of leafy vegetables from indicator locations identified by the Annual Land Use Census. Samples are also collected at a control location that is at a distance and direction which is considered to be unaffected by plant operations. -Samples are collected once a month during the Growing season (June through September) and are analyzed for 1131 and gamma emitting isotopes.
l Vegetable sampling started in 1982. During the preoperational program, only
- . naturally occurring K-40 was detected in both indicator and control vegetable il samples. During the operational period from 1985 to 1990, only naturally l occurring K-40 was detected in both indicator and control vegetable samples-3-9
- Fermi 2 1991 Annual Radiological j Environmental Monitoring Report During 1991, twenty-two (22) vegetable samples were collected and analyzed for
-l 131 and gamma emitting isotopes. Naturally occurring K 40 and Be 7 were detected in both indicator and control vegetable samples. One indicator sample-showed activity:for Cs-137 with a concentration of 1.2E+1 pCi/kg wet. - The presence of Cs-137 in vegetable samples can be attributed to past atmospheric nuclear weapons testing and possibly to the nuclear accident at Chernobyl-
- (U.S.S.R.), Since Cs-137 has never been detected in any gaseous. offluent -
sample from Fermi 2. and since the pathway from Fermi 2 to vegetables would be the desposition of gaseous effluents on the ground, it appears that none of the , Cs-137 activity in vegetables is due to Ferml 2 effluents. For 1991, the vegetable I sample data is consistent with prior operaticnal data and preoperational data. l a L l 1 l: 3-10 L_ . . . _ _ . _ . . , . .
.c Fermi 21991 AnnualRadiological Environmmtal Monitoring Report AQUATIC MONITORING PROGRAM M
4-1
m . - Fermi 2 1991 Annual Radiological Environmental Monitoring Report AQUATIC MONITORING PROGRAM i INTRODUCTION ! The aquatic monitoring portion of the REMP provides a continuous surveillance or , Lake Erie, on which the plant site borders. The program consists of monitoring i raw municipal drinking water, surface water, groundwater, lake sediments, and l fish for radioactivity due to the operation ef the plant. The following sections discuss the type and frequency of aquatic sampling, analyses performed and a comrerison of 1991 data to previous operational and preoperational data. DRINKING WATER SAMPLING Detroit Edison conMnuously monitors drinking water at one control location and one indicator location using automatic compositing samplers, in this program composite sample aliquots are collected at time intervals that are very short (hourly) relative to the compositing period (monthly) in order to assure obtaining a representative sample. Indicator water samples are obtained at the Monroe water: intake !ocated approximately 1,1 miles south of the plant. Detroit municipal water is used for the control samples and are obtained at the Allen Park water intake located approximately 18.6 miles north of the plant. Drinking water samples are collected on a monthly basis and analyzed for gross beta, strontium 89/90, and gamma emitting isotopes. The months. samples for each
. location are combined on a quarterly basis to form a quarterly composite sample and 'are analyzed for tritium.
' Or nking water sampling began in 1979 and the samples were only analyzed for
- gross beta, gamma emitting isotopes, and tritium. The average annual gross beta
~
for indicator drinking water samplesc excluding 1981, during the preoperational program was 3.4E+0 pCi/ liter and ranged from 2.1E+0 to 4.3E+0 pCi/ liter. The average annual gross beta for control drinking water samples during this time period was 3.5E+0 pCi/ liter and ranged from 2.9E+0 to 4.5E+0 pCi/ liter. In 1980 and 1983 Cs-137 was detected at levels ranging from 5.4E+0 pCi/ liter to 1.9E+1 pCi/ liter. Tritium was also detected during the preoperational program and had an annual average of 3.2E+2' pCl/ liter and ranged from 2.6E+2 to 4.5E+2 pCi/ liter. 4-2 l. P
i l Fermi 2 1991 Annual Radiological Environmental Monitoring Report DRINKING WATER SAMPLES AVERAGE ANNUAL GROSS BETA pCi/ liter 12 ~-- 10" ,_ 8 - 6 - 4- l'e p1 7,1
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..y; 4 q q p ; 1 q
_] O- 1' '- ' > -
. _i N d i i 78 79 80 81 82 83 84 85 86 87 88 89 90 91 Year I IIndicator Samples Ed Control Samples Figure 4-1 in 1981, as shown in Figure 4-1, the average gross beta was 9.8E+0 pCi/ liter for indicator water samples. This anomalous gross beta activity is a direct result of an atmospheric nuclear weapon test conducted by the Peoples Republic of China in late 1980, _
From 1985 to 1990, the average annual gross beta activity for indicator drinking water samples was 2.7E+ 0 pCilliter and ranged from 2.4E+0 to 2.9E+0 pCi/ liter. The average annual gross beta for control drinking water samples was 2.3E+0 . pCi/ liter and ranged from 1.9E+0 to 2.7E+0 pCi/ liter. The analysis for Sr-89/90 began in 1988 and Sr 90 has been detected in both indicator and control samples. The average annual St-90 activity for indicator samples was 8.4E 1 pCi/ liter and ranged from 4.8E-1 to 1.2E+0 pCl/ liter. The average' annual Sr-90
$- )
Fermi 2_1991 Annual Radiological Environmental Monitoring Report activity for control sampies was 7.5E-1 pCi/ liter and ranged from 7.1E 1 to 8 OE 1 , pCi/ liter. Tritium was also detected in both indicator and control drinking water j samples during this time period. The average annual tritium activity for indicator l samples was 2.BE+ 2 pCi/ liter and ranged from 2.2E+ 2 to 3.9E+ 2 pCi/ liter. The average annual tritium activity for control samples was 3.0E+2 pCl/ liter and ranged from 2.7E+2 to 3 9E+2 pCi/ liter. For the operational period from 1985 to 1990, the drinking water sample data is consistent with the preoperational data, in 1991, twenty four (24) drinking water samples were collected and analyzed for gross beta, gamma emitting isotopes, Sr-89/90, und tritium. The average annual gross beta for indicator samples was 3.9E+ 0 and ranged from 3.0E+ c to 5.1 E+ 0 pCl/ liter. The average annual gross beta for comrol samples was 3.3E+0 pCi/ liter and ranged from 2.4E+0 to 4.2E+ 0 pCl/ liter. No gamma emitting isotopes were detected in drinking water samples during 1991. Sr-90 was detected in both indicator and control samples, One indicator sample had a Sr 90 activity of 5.0E 1 pCl/ liter, The average annual St-90 activity for control samples was 7.6E-1 pCi/hter and ranged from 5 SE-1 to 9,3E 1 pCl/ liter. The presence of Sr 90 in drinking water samples is due to past atmospheric nuclear weapons testing. Eight (8) quarterly composite drinking water samples were prepared and analyzed for tritium. No tritium activity was detected in drinking water samples for 1991. For 1991, the drinking water ' ole data is consistent with prior operational data and preoperational data bet. *itium is only rarely detected in drinking water samples. l SURFACE WATER SAMPLING Detroit Edison continuously monitors surface water at two locations using automatic composite samplers. As with drinking water, surface water aliquots are collected at time intervals that are very short (hourly) relative to_ the compositing period (monthly) in order to assure obtaining a representative sample. Indicator. surface water samples are obtained at the Fermi 1 water intake which is approximately 0.3 miles south south east from Fermi 2. The control surface' water samples are obtained from Trenton Channel Power Plant's cooling water intake on the Detroit River which is approximately 11.7 miles north north east of Formi 2. Surface water samples are collected on a monthly basis 44
Fermi 2 1991 Annual Radiological Environmental Monitoring Report and analyzed for strontium 89/90 and gamma emitting isotopes. The . monthly samples for each location are combined on a quarterly basis to form a quarterly composite sample and are analyzed for tritium. Surface-water sampling began in 1979 and the samples were only analyzed for gamma emitting isotopes, and tritium. During this preoperational program no gamma emitting isotopes. except for naturally occurririg K-40, were detected. Tritium was detected in both indicator and control samples during this time period and had an annual average of 3.2C+2 pCl/ liter and ranged from 2,2E+2 to
-. 4.1E+2 pCi/ liter, From 1985 to 1989, no gamma emitting isotopes were detected in surface water samples. Sr.00 was detected in both indicator and control samples. The average annual Sr-90 activity for indicator samples was 1.6E+0 pCi/ liter and ranged from 8.3E-1 to 2.4E+0 pCi/ liter, ' One control sample had a Sr-90 activity -
of 7.6E 1 pCl/ liter. Tritium alco was detected in both indicator and control samples for this time period.- The average annual tritium activity for indicator samples was -2.3E r2 pCi/ liter and ranged from 1.6E+2 to 3.1E+2 pCi/ liter. One
- control sample had a tritium activity of 2.4E+2. In 1990, two indicator samples showed detectable activity for Cs-137 at an average concentration of 1.2E+1
- pCl/ liter and ranged from 9.7E+0 to 1.5E+1 pCilliter.
. In 1991, twenty-four (24) surface water samples were collectad and analyzed for ;
gamma emitting isotopes, Sr-89/90, and tritium.. Naturally occurring K-40 was the only gamma emitting isotope that was detected in surface water samples. Sr-90 was detected in one indicator sample at a concentiation of 5.3E-1 pCi/ liter. The presence of Sr-90 in surface water samples is due to past atmospheric. nuclear weapons testing. Eight (8) quarterly composite surface water samples , _wera prepared and analyzed for tritium. - No tritium activity was detected _in surface water samples for 1991, For 1991, the surface water sampling data is-consistent with prior operationa! data' and preoperational data. F 4-5
- ~._-___i
v i Fermi 2 1991 Annual Radiological Envitct mental Monitoring Report i l l l I GROUNDWATER SAMPLING Groundwater is collected on a quarterly basis from four wells surrounding Fermi
- 2. The groundwater is analyzed for gamma emitting isotopes and tritium. The subsurface hydrology of the local area is such that groundwater flows towards Lake Erie. For this reason, sampling location GW 4 which is located l approximately 0.6 miles west north west is least likely to be affected by the I operation of the plant. j i
Groundwater sampling began in 1987. From 1987 to 1989 no radioactivity was I detected in grovouwater samples. In 1990, ono control sample had a Cs 137 activity of 7.71E+ 0 pCl/ liter and one II. ator sample had a tritium activity of 9.9E+ 1 pCl/hter. l l In 1991, sixteen (16) groundwater samples were collected and analyzed for g :mma emitting isotopes and tritium, Naturally occurring K-40 was the only gamma emitting isotope detected in groundwater samples. No tritium was detected in groundwater samples. For 1991, the groundwater sample data is consistent with prior operational data and preoperational data. SEDIMENT SAMPLING Lake Erie shoreline and bottom sediments from five locations are collected on a semiannual basis and are analyzed for gamma emittir:g isotopes and strontium 09/90. There is one control location and four indicator locations. The control sample is collected near the Trenton Channel Power Plant's cooling water intake. The indicator samples are collected at Estral Beach, near the Fermi liquid discharge area, the shoreline at the end of Pointe ' x Peaux, and Indian Trails Community Beach. During the preoperational program there was not a contro) location and samples were only analyzed for gamma emitting isotopes During the preoperational program, except for naturally c. curring isotopes, only Cs 137 was detected in sediment samp!as. For this time period the average Cs-137 concentration was 3.3E+ 2 pCi/kg and ranged from 5.0E+1 tc 6.6E+2 pCi/kg-4-6
Fermi 2 1991 Annual Radiological , Environmental Monitoring Report l l From 1985 to 1990, the average annual Cs-137 concentration for indicator samples was 2.0E+2 pCl/kg and ranged from 2.6E+1 to 3.6E+2. One control sample had a Cs 137 concentration of 1.1E4 2 for this time period The analysis for Sr-09/90 began in 1988 and St 90 has been detected in both :ndicator and control samples. The averago annual Sr 90 activity for indicator samples was 1.3E+2 pCl/kg and ranged from 1.0E+2 to 1.6E+2 pCd/kg. The average annual Sr 90 activity for control samples was 2.7E + 2 pol /kg and ranged from 2.3E+ 2 to 3.1E A2 pCi/kg. In 1990, the Spring sample taken at the 4rmi 2 discharge line I S ? showed activity for plant related isotopes (Mn 54, Co-60, and Zn.65) and ./as a result of liquid effluent from Fermi 2. I ENVIRONMENTAL SEDIMENT SAMPLES l CS-137 CONCENTRATION
,oo
*C Y - . . . - , - _ . - - -
600 - 500 - i soo . MQ1 N-Y]- too - q Da io. x. . 2 + o I!J. a .& .E m [l't $ 1.2, 2 ._ 2 X a; a.
;i;i 78 79 80 81 82 83 84 86 86 87 88 89 90 91 Year
~
!' L*.h.<ma. Acovny --- Tr.no Mgur. 4-2 i Figure 4-2 shows the concentration of Cs 137 in sediment samples from 1978 to 1991 appears to be decreasing with time. The line shown in this figure is a computer generated best fit trend line. This would verify that the inventory of Cs-137 in lake sediments is due to past atmospheric nuclear weapons testing. l l 4-7
Fermi 2 1991 Annual Radiological Environmental Monitoring Report in 1991, ten (10) sediment samples were collected and analyzed for gamma emitting isotopes and strontium 89/90. Naturally occurring K 40 and Th 228 7 were detected in both indicator and control sedirnent samples. Cs-137 was detected in both indicator and control sediment samples One indicator sample showed a Cs-137 concentration of 6.5E+ , pCi/kg and two control samples had an average con centration nt 1.6E+2 pCi/kg and ranced fron 1.5E4 2 to 1.6E+ 2 pCl/kg. Sr 90 was detected in one indicator sample at a concentration of
- 2.8E+ 1 pCi/kg. The presence of Cs 137 and Sr 90 in sedit.~,ent samples is due to past atmospheric nuclear weapons testing.
As in 1990, the Spring 1991 sediment sample taken at the Fermi 2 discharge line S 2 showed detectable activity for plant related isotopea (Mn.54 Co-00, and Co-58). The concentration of Mn-54 was 1.9E +2 pCi/kg Co-60 was 1.4E+ 2 pCl/kg and Co 58 was 8.5E+1 pCl/kg. These plant related isotopes are the direct result of liquid effluents being discharged into Lake Erio from Fermi 2. Tnis activity is consistent with the activity released in liquid e"tueats. The fall 1991 samples did not show plant related activity at any locat un including S 2. For 1991, the sediment sample data :s consist 6nt with prior operational data and preoperational data. FISH SAMPLING Samples of fish are collected from Lake Erie at three locations on a semiannual basis. There are two control locations and one indicator location. The two control locations are offshore of Celeron Island and Brest Day. The indicator location is approximately 1200 feet offshore of the Ferml 2 liquid discharge. Edible portions of the fish are analyzed for gamma emitting isotopes and strontium 89/90. During the preoperational program only naturelly occurring isotopes and Cs-137 were detected. . The average Cs 137 concentration for indicator samples was 3.5E+1 pCl/kg and 4.2E+1 pCi/kg for control samples, Prooperational fish samples were only analyzed for gamma emitting isotopes. From 1985 to 1990, the avetage Cs 137 concentration for indicator samples was 5.2E+ 1 pCi/kg and ranged from 2.0E+ 1 to 7.2E+1 pCi/kg. The average Cs 137 concentration for control samples was 5.5E + 1 pCi/kg and ranged from 2.5E + 1 to
. 4-8 l
i L
Fermi 2 lb91 Annual Radiological Environmental Monitoring Report 9.7E+1 pCilkg. The analysis for St 89/90 t>egan in 1990 and St-90 was dotected in both indicator and control samples The average St 90 concentration for indicetor samples was 1.3E +2 pCilkg and ranged from B eE 4 0 to 3 4E +2 pCi/kg. The average St 90 concentration for control samples was 7.7E+1pCilkg and ranged from 1.4E4 0 to 3.9E + 2 pCi/kg in 1991, twenty three (23) fish samples were collected and analyi9d for gamma emitting isotopes and strontium 89/90. The only gamma emitting isotopo detected in these samples was naturally occurring K 40. St 90 was detected in Doth indicator and control fish samples. The averago concentration of St 90 for indicator samples was 2.7E+1 pCi/kg and ranged from 6 9E+0 to 5 3E+1 pCi/kg. The average concentration of St 90 for control samples was also 2.7E+ 1 pCi/kg and ranged from 1.4E + 1 to 6.4E + 1 pCi/kg. For 1991, the fish sample data is consisten';with prior operational data and preoperational data. 49
Ferrni21991 AnnualRadiot00ical Environmental Monitoring Report LAND USE CENSUS o 5-1
/ 1 i Fermt 2 1991 Annual Radiological Environmental Monitoring Report LAND USE CENSUS An annual Land Use Census is conducted by Detroit Edison in order to update information used to estimate radiation dose to the public and to determine il any modifications to the Radiological Environmental Monitoring Program are necessa ry. This information ensures that these programs are as accurate as possible. The Land Use Census is required by Title 10 of the Code of Federal Regulations Part 50, Appendix I and Fermi 2 Technical Specifications 3/4.12 2. The Land Use Census is conducted a maxium distance of 5 miles from Fermi 2, and identifies the locations of the nearest milk producing animals, the nearest residence, and the nearest garden (greater than 50 square meters and containing broad tenf vegetation) in each of the 16 meteorological sectors. Gardens greater than 50 square meters is the minimum size required to produce the quantity (26 kglyear) of leafy vegetables assumed in Regulatory Guide 1.109 for the consumption by a child. To determine this minimum garden size, the following assumptions were made: (1) 20% of the garden is used for growing broad leaf vegetation (i.e.. lettuce and cabbage), and (2) a vegetation yield of 2 kg/ square meter. 1991 LAND USE CENSUS RESULTS The Land Use Census was conducted during the month of August in 1991. The census data was obtained by driving all roads within a five mile radius and in some cases performing door to-door surveys. The data was then compared with the 1990 data to determine any changes in the Iceal area. Minor changes were found the 1991 data when compared to the 1990 data. These changes were determined to be insignificant. The information gathered during the 1991 Land Use Census is tabulated and presented in tables 5-1 through 5-3. 3 52 1
Fermi 2 1991 Annual Radiological Environmental Monitoring Report TABLE 5-1 RESIDENCES Distance Change Year S,ect,or ,___Addr,ess_____ ,jhj! cs)_,,J,Mes) ! L. ..c_-= _ L.a- % ._.._ . __ .m_ ..- l-. i 1991 NE 6760 Lakeshoto 1.1 NC 1990 NE G760 Lakeshoro 1.1 1991 NNE 6500 Brancheau 1.0 NC 1990 NNE 0500 Branchoau 1.0 1991 N 6200 Blanchett 1.1 JC 1990 N 6200 Blanchett 1.1 1991 NNW 5701 Post 1.1 NC 1990 NNW 5701 Post 1.1 1991 NW 6577 Leroux 1.0 - 0.1
- 1990 NW 0577 Leroux 1.1 1991 WNW 6200 Langton 0.7 NC 1990 WNW 6200 Langton 0.7 1991 W 6001 Toll 1.1 NC 1990 W 0001 Toll 1.1 1991 WSW 4981 Pte. Aux Poaux 1.4 -0.1 1990 WSW 4771 Pte. Aux Peaux 1.5 1991 SW 5194 Pte. Aux Peaux 1.3 +0.1 1990 SW 4981 Pto. Aux Peaux 1.2 _
1991 SSW 5820 Pte. Aux Peaux 1.0 NC 1990 SSW 5020 Pte. Aux Peaux 1.0 1991 S 45L34 Long 1.0 NC 1990 S 4834 Long 1.0 ESE - SSE Lake Eric NC - No Chango
- Difference due to recalculation of distance and azimuth by Detroit Edison Company Cartographor 5-3
1 I Formi 2 19t'1 Annual Radiolo06 cal l Environtnotital Monitoring Report l TABLE 5-2 GARDENS Distanco Chango Year gr A g ss Mgsg_(Mjinsl l.- saam. u uw u.w a; u =-_ - L.- v5 1991 NE 7491 Savoy 2.0 +08 1990 NE 6940 Lakeshoto 1.2 1991* NNE 0441 Drancheau 1.1 NC 1990* NNE 6441 Brancheau 1.1 1991* NNE 7800 Labo 4.0 NC 1990* NNE 7806 Labo 4.0 t991* NNE 9501 Tumpiko Hwy. 4.0 NC , 1990* NNE 9501 Tumpiko Hwy. 4.0 1991 N 6372 Trombly 2.0 40.0 _-1990. N 6244 Brancheau 1.2 1991 NNW 5846 Trombly 1.3 + 0.2 1990 NNW 5701 Post 1.1 1991 NW- 7335 Forest 1.7 + 0.2 1990 NW 5131 Post 1.5 l 1991 WNW 6170 Leroux 1.3 - 0.4 l 1990 WNW 6834 Dixie Hwy 1.7 1991* WNW 8200 Geirman (control) 14.6 NC 1990* 'WNW 8200 Goirman (control) 14.6 1991- WL 5681 Toll 1.6 NC 1990 W. 5900 Leroux 1.6 , ;
'1991 WSW 5111 Spaulding 2.4 NC 1990 WSW 5053 Spaulding 2.4 l- 1991 SW 4828 Elm 1.5 +0.1
- 1990 SW 4995 Elm 1.4 l
1991 SSW 5823 Shady Lane 1.4 -0.2 1990 SSW - 4326 C Stroot 1.6
- =
1991 S 6348 Sterling 1.3 +0.1 1990 ~S 6233 Highland 1.2
}
ESE - SSE - Lako Erio NC - No Chango
- Participants in REMP sampling program, t
5-4
-._- , . - . . . _ _ -.,,-- - ,--, _ _ -._ -_ _ _a._
Fortni 2 1991 Annual Radiological Environmental MonitorinD Report l TABLE 5-3 MILK LOCATIONS Distance Sector Address [_.- ypar . . -__
, u.._..
_,,_jMiles), ,_Findirjgs_3
. +_.. u 1991 NE No Idontified Locations NA 1990 NE No Idontified Locations NA 1991 NNE No Identified Locations NA 1990 NNE No identified Locations NA 1991 N No identified Locations NA 1990 N No identified Locations NA 1991 NNW No identified Locations NA 1990 NNW No identified Locations NA 1991* NW 3239 Newport Rd 4.3 Cows 1990* NW 3239 Nowoort Rd 4.3 Cows 1991* NW 2705 Labo 5.4 Cows 1990* NW 2705 Labo 5.4 Cows 1991 # WNW 4262 Post 2.1 Goats 1990# WNW 4262 Po** 2.2 Goats 1991 W No identified 6 .stions 1990 W 5904 Montel 4.5 Goats 1990 W 6551 N. Stonycreek 4.7 Goats 1990 W 1972 Nadeau 3.3 Goats 1991 WSW No Identified Locations NA '
1990 WSW No Identified Locations NA 1991 SW No identified Locations NA 1990 SW No identified Locations NA 1991 SSW No identified Locations NA 1990 SSW No Identified Locations NA 1991 S No identif:ed Locations NA 1990 S No Idontified Locations NA ESE - SSE Lake Erio
# - Critl .at Rocoptor
* - Participated in Fermi 2 REMP NA - No Milk Animals 5-5
Fernii21991 Annualiladiologcal Environtnantal Monitoring Floport PROGRAM EXECUTION m 6-1
r Fermi 2 1991 Annual Radiological Environmental Monitoring Report 1991 Program Execution in 1991, the major deviations from scheduled REMP activities were the loss of TLDs due to theft, the loss of one air particulate sample due to sample equipment failure, the loss of two charcoal cartridges due to cartridge failure and sample equipment failure, seasonal unavailability cf grass samples, and drinking water equipment malfunctions. The following list all deviations and corrective actions from the normal wmpling nchedute for 1991. These deviations did not have a significant impact on the executicn of the REMP. Environmental TLDs All TLDs are placed in the field in inconspicuous locations to minimize the loss of TLCs due to pilferage. During 1991, two hundred fifty two (252) TLDs were placed in the field and eight (8) were found missing. This represents a 96.8 per cent successful co,lection rate.
~
.On 01/24/91 T 17 was found missing during weekly air sample exchange and was replaced with a spare TLD.
On 04/02/91, during the quarterly TLD exchange the following TLDs were found '
. mis,ing and were replaced: T 8, T 55 T-59 l
On 05/07/91, dur!ng routine sampling T 3 was found missing due to utility pole saplacement. The TLD was replaced on the new pole with a spare. On 08/16/91, during the mid-quarter TLD inspection, the following TLDs were found missing and replaced with spares: T 11, T 24 , On 10/08/01, during routine sampling T 11 was found missing and was replaced with a spare T 11 was also relocated to the corner of Milliman and Jefferson, one pole south of the originallocation. Air Sampling During 1991, five hundred twenty (520) air samples were scheduled to be collected and two were not collected. This represents a 99.5 per cent successful l1 collection rate for the year. I l l 6-2
- _- ... . . - . _ . _ _ . - ~ _
-- ~ . _ . .. - .- . --. . . _ _ _ _
Fermi 2 1991 Annual Radiological Environmental Monitoring Report On 06/19/91, the charcoal cartridge at API-1 came apart during weekly exchange and was unable to be analyzed. All cartridges are now inspected visually for manufacture's defects prior to use. On 10/09/91, during filter exchange API 1 was found inoperable due to a blown fuse and the sample had insufficient volume to be analyzed The fuse was replaced during filter exchange. On 08/21/91, during filter exchange APl-1 was found inoperable due to a blown fuse and the sample had sufficient volume to be analy,.ed The fuse was replaced during filter exchange. During the week of 12/22/91, all air samples had a sample period of eight (8) days due to the holiday season. Milk Sampling During 1991, fifty-seven (57) milk samples, including the three from M 4, were collected. This represents a 100 per cent successful collection rate for the year. Starting on 04/04/91, duplicate milk samples were taken at each location. This enhancement to the program was instituted as a quality control check of the lab.
- On 06/20/91, milk sampling location M 4 (Roelant Farm. 3.9 mi., NNE) was added to the REMP program as an enhancement. However, the cow was sold '
and only three samples were obtained from this location. Grass Sampling During 1991, thirty-six (36) grass samp!es were scheduled to be collected and twelve were not collected due to seasonal unavailability. !! should be noted that when grass samples were not available the milk producing animals wore not in the pastures grazing. Fer all scheduled samples this represents a 66.6 per cent successful collection rate for the year. Grass samples are scheduled to be collected with milk samples at sample locations M-7 and M 8 throughout the year. However, grass is not always available due to the local climate. Grass samples were not available during the following sampling periods: 01/10/91, 02/07/91, 03/07/91, 04/04/91, 11/14/91, and 12/12/91 6-3
Fermi 2 1991 Annual Radiological Environmental Monitoring Report Water Sampling Chromium 51 (Cr 51) analysis was added to the water sampling program as a program enhancement because this isoptope is a major constituent of Fermi 2's liquid radwaste. Drinking Water Sampling During the year drinking water sampler DW 1 was modified to provide a rollable and a fully representative sample. The original sampling equipment consisted of a mechanical timer connected to a solenoid operated valve. The time which the solenoid valve was open was not adjustable. Once per hour the timer would energize the solenoid and open the valve to sample the water in the system. The amount of the sample (aliquot) was controlled using a needle valve in the sample line. Due to fluctuating plant system pressure (20 to 50 psi), and needle valve fouling, a fully representative s, ample was not always obtainable. In March of 1991, the mechanical timer and solenoid valve were replaced with a positive displacement sampling pump (Masterflex sampler). This sampling pump provides a representative sample. But due to the fluctuating plant pressure the tygon tubing, user' to draw the sample, over time became fatigued and would , spilt. The sampling equipment was modified to include a pressure regulating valve in line with the sampler. -The pressure regulator is set at approximately 6 psi to prevent tubing failure. Also, a digitalintervalometer (timer) has been installed to operate the pump at precise intervals. The system was setup to sample hourly and provide a five gallon monthly composited sample. This system has provided a reliable representative sample since it was installed. During 1991, of the twenty four (24) drinking water samples collected, four (4) were considered partial samples and fifteen (15) were considered to be less than fully representative. This represents a 21 per cent successful collection rate for the year, On 01/28/91, the drinking water samples collected at locations DW 1 and DW-2 for the month of January is considered to be less than fully representative due to flow fate adjustments during the month. On 02/18/91, a grab sample was taken at location DW 1 due to equipment malfunction. The sample was sent to the lab to be composited with the scheduled monthly sample. 6-4
Fermi 2 1991 Annual Radiological
> Environmental Monitoring Peport On 02/25/91, the drinking water st.mplo collected at location DW-1 for the month of February was considered a partial sample due to the grab sample taken on 02/18/91 and considered to be less than fully representative due to flow rate adjustments during the month.
On 03/11/91, a grab sample was taken at location DW-1 due to equipment malfunction. The sample was asnt to the lab to be composited with the scheduled monthly sample. On 03/25/91, the drinking water sample collected at location DW 1 for the month of March was considered a partial sample due to the grab sample taken on 03/11/91 and considered to be less than fully representativo due to flow rate adjustments during the month. On 03/25/91, the drinking water sample collected at location DW-2 for the month of March was considered to be less than fully representative due to flow rate adjustments during the month. On 04/01/')1, a grab sample was taken at location DW 1 due to equipment malfunction. The samp a was sent to the lab to be composited with the scheduled , j monthly sample, On 04/16/91, a grab r, ample was taken at location DW 1 due to equipment malfunction. - The sample was sent to the lab to be composited with the scheduled monthly sample. On 04/29/91, the drinking walsr sample collected at location DW-1 for the month of April.-was considerad a psrtial sample due to the grab samples taken on 04/01/91 and 04/16/91 and considered to be less than fully representative due to ' flow rate adjustments during the month. On 04/29/91, the drinking water sample collected at location DW 2 for the month of April was considered to be less than fully representative due to flow rate adjustments during the month. On 05/28/91= the drinking water samples collected at locations DW-1 and DW , for the month of May was considered to be less than fully representative due to flow rate adjustments during the rnonth. l l l-l 6-5
. _ , _ , _ _ . _ _ . _a _ . . _ _ _ _ . _ .. _.__ _ .-
Fermi 2 1991 Annual Radiological Environmental Monitoring Report On 06/24/91, the drinking water samples collected at locations DW 1 and DW 2 for the month of June was considered to be less than fully representative due to sample flow rate adjustments during the month. On 07/29/91, the drinking water sarnp*as collected at locations DW 1 and DW 2 for the month of July was considered to be less than fully representative due to sample flow rate adjustments during the month. On 08/05/91, a grab sample was taken at location DW 1 since the valve on sampling line had been inadvertently shut by water plant personnel during maintenance The sample was sent to the lab to be composited with the scheduled monthly sample. On 08/19/91, a grab sample was taken at location DW 1 due to a blown fuse on the sampling equipment. The sample was sent to the lab to be composited with the scheduled monthly sample. On 08/28/91, the drinking water sarnple collected at location DW 1 for the month of August was considered a partial sample due to the grab samples taken on 08/05/91 and 08/19/91. On 10/29/91, the drinking water sample collected at location DW 2 for the month of October was considered to be less than fully representative due to sample flow rate adjustments during the month. On 12/30/91, the drinking water samples collected at locations DW-1 and DW 2 for tho month of December was considered to be less than fully represantative due to sample flow rate adjustments during the month. Surf ace Water Sampling During 1991, twenty four (24) surface water samples were collected and four (4) were considered tJ be less than fully representative samples. Ttis represents a 83 per cent successful collection rate for the year. On 01/28/91, the surface water sample collected at location SW 1 for the month of January was considered to be less than fully representative due to corrosion in sample line. Corrosion was removed and sample flow rate returned to normal, 6-6
i i Fermi 2 1991 Annual Radiological Environmental Monitoring Report On 01/28/91, the surface water sample collected at location SW 2 for the month I of January was considered to be less than fully rentesentativo due to ice in the sample line. The ice was removed and sample flow rate returned to normal. On 02/25/91, the surface water sample collected at location SW 1 for the month ; of February was considered to be less than fully representative due to reduction in sample flow rate to compensate for smaller size collection container. On 12/30/91, the surface water sample collected at location SW 2 for the month of December was considered to be less than fully representative due to ice in the sample line. The ice was removed and sample flow rate returned to normal. Laboratory Deviations One fish sample (Carp) collected at location F 2 on 10/11/91 had a Minimum Detectable Activity (MDA) above the required Lower Limit of Detection (LLD) for Fe-59. The MDA was <280 pCl/kg and the required LLD is <260 pCl/kg. This deviation was due to a fluctuation in the background count rate at the laboratory. There was no sample available for recounting when it was determined that the Lower Limit of Detection (LLD) had not been met. 6-7
-l
fortni21991 AnnualRadiological Environm(vital PS ltoring Report PROGRAM
SUMMARY
W l l i l-7-1 l L
1 Fcfmt21991 AnnualRadobgcal Env.ronmental 1% A4g Report
. Table 7-1 Radologca! Erwironmental Monitoring Program Summary ' Name of Facility: Fermi 2 .
Docket No.: 50-341 Reporting Period: . *anua y - December 1991 Location of Facility: 30 miles soutfieast of Detrtet. M:chigan (Frenchtown TownsNp)
-l LodtidstiiHghest-~ } l l
Sample : ' Typ? and ~ ~. indcabr - .Annuelg p___ i Control Number of
' Type. Numt:er of LLD tocasons.
Loca5ons Non-routne { l g M "!!5L__.____ __Ana psi . _ _ _ggagd QalKle ._ __(ocaM_ .__ _Megpd Ragg(,;_Meag_anLRaggeg _ ML . _.y I i
' Gamma (TLD) Gamma Radation 1.0E+0 13.6 (233/233) T-49 (Indicator) 17.8 (4/4) 13.4 (16/16) i None !
Background ,249 9.5 to 18.6 16.6 e 18 6 11.5 e 15.1 ! l (mrem /Std Otr) j- y l t. _4______.. g
! j Airbome GB 259 1.0E-2 2.22-2 (207/207) /P!-5 (Indcator) 2.3E-2 '(52/52) g22E-2 (52/52) None f Partculates 6.1E-3 e 3 4E-2 1.3E-2 e 3 4E-2 l 1.1E-2 to 3.9E-2 l (pCi/cu m.) ,GS 20 l t
[ BE'-7 N/A 66E-2 (15/16) AP1-1 (!ndcabr) 6.5E-2 (4'4) [ 6 9E-2 (4/4) None l 2.6E-2 b 1.1E-1 3 2E-2 to 8.5E-2 3 3E-2 to 9 BE-2 , l K-40 N/A 12E-2 (1/16) 12E-2 (1/4) <MDA None MN-54 N/A <MDA l API-3 (Indcator) <MDA None f l g . g CO-58 N/A <MDA <MDA l* None 8 j FE-59 N/A <MDA <MDA None E I CO-60 -N/A <MDA , <MDA None l ZN-65 N/A <MDA
]i MDA None 2%N3-95 N/A <MDA <tOA l None
) -
, i 4 h RU-103 N/A <MDA l I <<MDA None }
i RU-106 N/A <MDA l f<MDA 1 tbne . l 1 g f CS-134 5 0E-2 <MDA f <MDA I None { ,
. t I CS-137 6 0E-2 <MDA J <MDA g- . None c BA1.A-140 N/A <MDA I None (
l le <MDA g l 1 CE-141 N/A - <MDA l fene ! ! , i %14d N/A <MDA 4 f<<MDAMDA None [ I kHA-226 N/A <MDA Ncne i
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j <MDA 5
; I TH-228 N/A <MDA g <MDA None [
1 i i !
)lSR-83 20 N/A N/A
<MDA
<MDA j <MOA None None
; l f '
l SR-90 g <MDA f 3 ? , l l l Airborne 1- 131 258 7.0E-2 <MDA ti <ACA None 5 lodine ., I. (pCl/cu m ) l , L_. . 8 - 4 _ _ . _ . _ . . . _ - _ . _ . ..] i 7-2 l i
l1 jjl;l j ' ' , ef f[! ; l 4 ' S ,[ i t ar co g- p _ oRe e _ rotnu s l f io dg ee ee eeeeeeeeeeeeeee e e e e an R r. _ e o 't _ neo br s u nn oo nn oo rnnrnnnnnnnnnyo oooooooooaooo n n o n o n o n o o m a N NN NN NNNNNNNNNNNNNNN N N N N
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i Fermi 21991 Annuel Aedologicd Environmersar Monitoring Peport Tatie 7-1 Radological Environmental Monitoring Program Summary (cont.) . a
- Name of Fact!ity: Fermi 2.~
Docket No.: 50- 341- Reporting Period: Januarp - December 1991
- Loca6on of FaciEty: 30 mBes southsast of Detfo?t Michigan (Frenchtown TownsNp) i 1 Y l U ?r > m :: d Od ;2tMGib d.%f'L 22L2%M VWbth:. +5nTk 11Q2 hun - k :L u a , sm @;. _ .L n ::: ' nw - ' 13.w;.c1 iL
~ GB '= gross beta; GS = gamma scan . .
LLD = Fermi 2 Technical Specif, cations Lt.D: nomind lower 5mit of detecton based on 4.66 sigma error for background samrle. .; <MDA = Less than the lab's minimum rtetectable acthrity which is less than the LLD.
. Maan and range based upon detectat$e measurements only. Fraction of detectable measurements at speci5edlocations 1s indc ated in parentheses (F). .
Locations are specited by Fermi 2 code and are described in section 8.0 SampEng Locations. Non-routine tesuits 'are those which are reportable accordng to Fermi 2 Techrdeal Speciscationsc
- i
+ Note: Oth'er nuclides were considered in anaiysis results, but ordy those identrfiable were reported in addtion to Tech Spec Ested . nuclides.
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fermi 21991 AnnualRadiological Environmontal Monitoring Roport 4 SAMPLING LOCATIONS 8-1
Formi21991 AnnualRadiolo0ical Environmmtal MonitorinD Report Table 8-1 Direct Radiation Meteorolo0ical Station Sector / Azimuth Distance from Number F3eagc _ Description _ _Tpn F m~a_a_4 (Dogrees4_' m w(Approx), Ee ' ma_Ar and T1 NE/38 1.3 mi Polo on Lakoshore in Estral i Beach. Twonty throo polos S of Lakeview. T2 NNE/22 1.2 ml Troo at the terminaion of I Brancho St. T3 N/9 11 mi Polo on NW corner of Swan Boat I Club's fonco. T4- NNW/337 - 0.6 mi - On Sito Boundary Fonco by API l
#2 on Toll Rd.
TS NW/313 0.6 ml On Sito Boundary Fonco by API l
#3 on Toll Rd.
T6 WNW/293 0.6 mi Polo on NE comer of Bridge i over Toll Rd. T7 - W/270 14.2 mi Pole behind Doty Farm at 7512 N C Custer Rd.
-I
- T8 NW/305 1.9 mi Pole on NE comer of Dixio Hwy. I and Post Rd.-
T9 NNW/334 1.5 mi Pole on NW comer of Troriibley I and Swan View Rd. T10 N/6 2.1 mi Pole on S side of Massorant two i poles W of Chinavaro. j T11 NNE/23 6.3 mi Pole on NE comer of Milliman I and US Tumpike. L-. :T12 NNE/29 6.3 mi Polo near tree in the N aroa of I i - parking lot at Pointo Mouilloo Game Area Field Office l' i l = Indicator ' C = Control L L 82J L. i: l l-
~ - - - . .--. . - = ~ , - - . - . . _ , . . - . - ._ .. -. - .
Forml2199t AnnualRadiological Environmontal Monitoring Report Tablo 8-1 Direct Radimior'.
- it.)
Motoorological Station Sector / Azimuth Distanco from Numbof , , , , yggrgpj_ _ ,,,Rgagtpf,jApptof,L,,,,,, , _ , , , , ____ Description _ , Typo L _ia_i.ub l _uduma_11,*ii._._._ _.i ' i.iL O] T13 N/356 4.1 mi Polo on SW corner of Labo and i Dixie Hwy. T14 NNW/337 4.4 mi Polo on SE corner of Labo and l Brandon near RR tracks. T15 NW/315 3.9 mi On polo behind Nowport Post I Offico. T16 WNW/283 4.9 mi Polo on Sri comer of War and i Past Rds. T17 W/271 4.9 mi Polo on NE comer of Nadono md i Laprad near rnob.lo horno park. T18 WSW/247 4.8 mi Polo on SE comer of Mentti and i Hurd Rds. T19 SW/23J 5.2 ml First polo E of Formi sirenon I Waterwarks Rd at the NE como of Storiing State Park Rd and Waterworks (in Sterling State Park). , T20 WSW/257 2.7 mi Polo on S sido of Williams Rd, I eight poles W of Dixio Hwy., T21 WSW/239 2.8 mi Pole on N side of Peart at i Parkview in Woodland Beach. T22 S/172 1.2 mi Polo on N sido of Pointo Aux l Peaux two poles W of Long. T23 SSW/195 1.1 mi Polo on S sido of Pointe Aux 1 Peaux, one polo W of Huron next to vont pipo. l L I n Indicator C = Cutrol 8-3 l L \ n -. - -- , , , - , , . .
- ...m, , , -- ,
Fermi 21991 AnnualRadiological Environmental Monitoring Repost - l'able 8-1 Direct Radiation (cont.) Meteorological Station Sector / Azimuth Distance from L. . rince
.# 1 [akmegu m ,fMkNb s..-
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_ i'k egg *, ad@d-T24 SW/225 1.2 mi On fence post W of Fermi Gate I along Pointe Aux Peaux Rd. , T25 WSW/251 1.5 mi Pole on Toll Rd., thirteen i L poles S of Fermi Dr. j T26 WSW/259 1.1 mi Pole on Toll Rd, six poloa 3 of I l Fermi Dr. T27 SW/225 6.8 mi Pole an NE comer of McMillan I y and Em Front St. i-T28 SW/229 - 10.7 mi Pole on SE comer of Mortar C Creek and LaPlaisance. - l l. T29 WSW/237 10.3 mi Pole on E side of S Dixie, one C pole S of Albain. T30 WSW/247 7.8 ml Pole on north side of St. l
- l. Mary's Park parking lot at Elm I and Monroe St.
j' 3
.T31 WSW/25S 9.6 mi 1st pole W of entrance to ~ C Milton ' Pat' Munson Recreationa! Reserve on North l- Cumer Rd.
l L T32 WNW/295 10.3 mi Pole on comer of Stony Creek l l- and Finzel Rds. l l- T33 NW/317 9.2 mi Pole on W side of Grafton Rd. I First Pole N of Ash and Grafton intersection. l , T34 NNW/338 9.7 mi Pole on E side of Port Creek, I l first pole S of Will-Carleton - Rd. 1 = Indicator C = Control 8-4 i l.
Formi21991 AnnualRadiological Environmental Monitoring Report Tablo 8-1 Direct Radiation (cont.)
; Meteorological j Station ' Sector / Azimuth- Distance from -)
Nur.ibor - e;, m g mp ~grees) am m ReactorfApprox)mqmp: . Description Type
~ . ...,>. . prmme-m s- ;g 7 q i
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l r3 g., A,f,g c - +u x-o u :g;w _r _ :3;ggy l T35 N/359 6.9 mi Polo on S Sido of S Huron River i Dr. across from Race St. l
'l T36 N/358 9.1 mi Pole on NE comer of Gibraltar l l and Cahill Rds.
T37 NNE/21 - 9.8 mi Pole on S comer of Adams and i Gibrartar across from Humbug Marina. T38 WNW/294 1.7 ml On polo at the residence on 1 j 6594 N. Dixie Highway ) T39- S/176 6.3 mi SE comer of Protected Area l l Fence (PAF). T40 S/170 0.3 nii Midway along OBn on PAF. I T41 S3E/161 0.2 mi Midway betwoon OBA and Shield i Wall on PAF. cT42 SSE/149 0.2 mi Midway along Shield Wallon I , PAF. T43 ' SE/131 0.1 mi Midway between Shield Wall and I Aux Boilers on PAF.
=T44 ESE/109 0.1 mi Opposite OSSF door on PAF. l T45 - E/86 0.1 mi NE Comer of PAF. I i46- ENE/67_ 0.2 mi. NE side of barge slip on fence. 1
-- T47 S!185 0.1 mi South of Terbino Bldg. 'ollup -l l door on PAF.
l= T48 SW/235 0.2 mi 30 ft, from comer of AAP on l PAF. I e indicator C = Control l l. L 8-5
Fermi 21991 AnnualRadiological e Environmental Monitoring Report p Table 8-1 Direct Radiation (cont.) Meteorological Station Sector / Azimuth Distance from [m% h ?. # ,.-. ymh*??hm,r0?Wh??hmp sen . . # , .. 2 ,m. z.g; . ... . - mm
'"*'Wm g, w.g?gg?!]
.u.ag T49 WSW/251 1.1 mi Comer of Site Boundary fence !
north of NOC along Critical Path Rd. T50 W/270 0.9 mi Site Boundary fence near main I gate by the south Bullit Street sign, T51 N/3 0.4 mi Sit,s Boundary fence north of I north Cooling Tower. T52- . NNE/20 0.4 mi Site Boundary fence at the i . comer of Arson and Tower. , T53 NE/55 ' O.2 mi Sits Boundary fence east of I South Cooling Tower. T54 S/$89 0.3 mi Pole next to Fermi 2 Visitors 1-
-Contor.
T55 WSW/251 3 3 mi P' ole on south side of Nadeau I east of Sodt Elementary School. T56 WSW/255 4.9 mi Pole at entrance to Jefferson 1 Middle School on Stony Creek Rd. T57 W/260 - 2.7 mi Pole on north side of William i Rd. across froen Jefferson High School entrance. T58 WSW/249 - 4.9 mi Pole west of Hurd Eternentary i School sign. l h .T59- NW/325 2.6 mi Pole north of St. Charles I i, Church entrance on Dixie Hwy. l = Indicator C = Control 8-6
Formi21991 A'.nualRadiological Environmmtal Monitoring Report Table 8--1 Direct Radiation (cont.) Meteorological Station : Sector / Azimuth Distance from Myf?' Nk???
- ;;p <n
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- -m v @ . h ? $ .= m h h+e--a a
T60- NNW/341 2.5 mi 1st pole north of North I Elementary School's entrance on Dixie Hwy. T61 W/268 10.1 rni Pole at SW comer of Stewart I and Raisinville Rds. T62 SW/232 9.7 mi Pole at NE comer of Albain and i Hull Rds. T63 WSW/245 9.6 mi Pole at NE comcr of Dunbar and i Telegraph Rds. I = Indicaor C - Control l? 8-7 4
l l fermi 21991 AnnualRadiologtal Environmenta! Monitoring Report i l j Table B-2 Air Particulate / Air lodine Sample Locations i l Meteorological Station Sector /Azinroth Distance from Frequency ( Description Media Number Degrees Reactor (Approx) Dj
~
- qu. &
- 1g ;g F >
1.4 mi Estral Beach Pole on Laksshore,18 Potos S of Radiciodne W APl- 1 NE/39 Paniculates W Lakeview (Nearest Community with highest X/0) 0.6 rr,! Site Boundry and Toil Road, on Site Fence by Ra( 'iodne W API-2 NNW/337 Particulates W 1-4 0 6 mi Site Boundry and To" Road, on Gite Fence by Radioiodne W API- 3 NW/313 T-5 Particulates W Pole, behind Dcty Faml - 7512 N Custer Road Radiciodne W api-4 W/270 14.1 mi W Particulates (Control) 1.2 mi Comer of Erie St and Pointe Aux Peaux Rds Radbiodne W APl-5 S/191 Particutates W W = weekly 8 8-8
. M Fermi 21991 AnnualRadiologica!
, Environmental Monitoring Report 1 Table 8-3 Milk / Grass'Sampfe Locations Meteorological
" Station - - Sector / Azimuth i Distance from Number Degrees Reactor (Approx) Description Media Frecuency -
N e.g ?W eye 2% ! W -Gi<:!M4Wege_2GnkJ e 'rilai- Jf;d%g > , 5$ __ '.4s - % ar *+- il M-2 NW/319 ' 5.4 ml ' Reaume Farm - 2705 E Labo Milk M-SM-M-3 NW/317. 4.2 mi Yoas Farm - 3239 Newport Rd Miik M-SM M-4 NNE/21 3.9 mi 9501 Tumpike Hkjhway - Miik M-SM-M-7 WNW/301 2.1 mi Webb Farm - 4362 Post Rd Grass M-SM'
'M-8 WNW/289 9.9 mi Calder Dairy - 9334 Finzel Rd Mitk/ Grass M-SM (Control)
?
L M = monthly i SM = semimo:'thly when animals are graz'ng s I 8-9
.i r
- -- +
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Fermi 21991 AnnualRadiologica! Environmental Monitoring Report Table 8-4 Vegetable Garden Sample Locations Meteorological Station Sector / Azimuth Distance from Reactor (Approx) Description Media Number _ Degress Freopen4:;1
- =g. u
~ ~ - . . ,
k;: . 17 < 39ml 9501 TurnpAe Highway Lea'y Vegetab!es M (when FP-1 NNE/21 ' ava.bbie) 1.1 mi Gt41 Brancheau Leafy Vegetabfes M (when FP-3 NNE/12 ava!!able) 4.4 mi 7806 Labo Lea *y Vegetab!es M (when FP-5 NNE/19 e<ailable) 14.5 mi 8200 Geirman (Controf) Leafy Vegetab;es M (when FP-6 VMW/290 available) M = montny l l 8-10
i Fermi 21991 Annuaf Radologta! Environmental Monitoring Report Table 8-5 Water Sample Locations Metaoro!ogcal Staton Sector / Azimuth Distance f,om Number Decrees Reactor (App ox) _ Descrption Medsa Frequency h ;- j 2A -:o g;_; . -
.m: - - - .
.. g .3.3 ._. g DRINKING WATER DW-1 S/174 1.1 mi Monroe Wa v Station N Side of Pointe Aux Drinking Water M Peacx 1/2 Block W of Long Rd DW-2 N/3 18.6 mi Detroit Water Station Ofinking Water M 14700 Moran Rd, A!!on Park (Control)
SURFACE WATER SW-1 SSE/160 03mi Fermi 1 Raw Lake Water intake Structure Surface Wa er M SW-2 NNE/29 11.7 rni DECO's Trenton Channel Power Plant intake Sur' ace Water M Structure (Screenhouse #1) (Cont:o!) SITE WELLS GW- 1 S/175 0.4 mi Appmx 100 ft W of Lake Erie, EF-1 Parsing lot Gmundnator O near gas fired peakers GW-2 SSW/208 1.0 mi 4 ft S of Pointe Aux Peaux (PAP) Rd Fence Gmuneuater O 427 ft W of wh?re PAP crosses over Stoney Point's Westem Dike GW-3 SW/226 1.0 mi 143 ft W of PAP Rd Gate,62 ft N of Gmundwater O
, PAP Rd Fence GW-4 WNW/299 06mi 42 ft S of Langton Rd, G ft E of Grounewater O Toff Rd Fence M = monthly O = quarterly 8-11
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SAMPLING LOCATIONS BY SIATION NUMBER . - __ SITE _ AREA-LAKE _ ERIE _ , s 920564'0231 -Ch - . - - - . - - REVISED BY IG & G5 APRll 1997 ~
Fermi 2 1991/anual Radiological Environmental Monitoring Report DATA TABLES 9-1
Fermi 2 1991 Annual Radiological Environmenta! Monitoring Report FERMI 2 TLD ANALYSIS (mrem /Std Otr) _ _. =m_ _. _ _ _. _ ,_ m . 1 STATION' FIRST - I SECOND j- THIRD FOURTH ! WMM@gR = gypRIE3 4* Q_U3RTER 4,._. O,UARTER ,[ [ T01 'f 12.2 1 0.4 10.9 1 0.5 ! 12.71 0.3 l4.OUARTER 12.71 0.7 t fg l f T02 -! 14.81 0.$ l 13 4 0.7 ! 14.6 1.4 14.9 0.6 l l T03 l 11.8 0._4 l 10.31 0.3*[ 10.9 1 0.4 11.71 0.8 l
.l T04 g- 12.4 0.4 g 10.9 i 0.5 y 14.1 .1 0.5 13.5 . 0.6 l
- }. T05- ; '
13.4 0.5 l 12.6 0.2 ( ' 14.0 0.9 : 13.81 0.6 g g T06 13.0 0.4 j 11.9 0.2- 13.01 0.5 13.6 i 0.4 3 T07 14.2 0.9 [ 13.0 0.7 15.1 1 0.8 e 14.1 0.3 jl [ T08 , g 13.1 .t 0.4 j 13.7 1 _0.8 ! 13.8 i 0.3 p ll T09 ! 13.0 1 0.6 g 12.41 0.9 i 13.3 0.7 13.1 1 0,7 fi [ T10 l 14.3 1 0.5 12.8 0.3 15.4 0.9 14.3 0.2 !
, T11 !
i 11.5 i 0.3 i 10.0 0.6 i 11.0 1 1.0 * . 13.0 1.7*{
! T12 11.8 1 0.3 f 10.0 0.5 11.7 1 0.3 l 11.9 1 1.0 l 6
T13 > 14.8 + 0.9 I 13.6 + 0.6 15.3 + 1.2 ll 14.1 + 1.0 i
! :T14 I I 14.41 0.7 14.3 1 1.2 13.75 0.1 14.61 1.1 l [
l TIS l - 13.8 0.6 13.5'1 0.8 4- 14.3 1.3 l 13.7 0.7 #
'f T16 li 14.7 i 0.9 12.6 1 0.5 [ 14.2 1 1.0 l 13.3 i 0.6 l i T17 l 13.6 0.7
- 11 11.1 1 1.4 i' 11.9 0.5 l 11.7 i 0.4 {
P T18 14.2 1 0.2 fl 12.5 0.5 13.6 1 0.8 l 13.2 i 0.5 E P T19 lj , 15.8 i 0.4 13.9 i 0.8 16.1 1 1.1 ( 14.71 0.6 I T20 ! 15.7 + 0.8 14.4 + 0.5 . 15.6 + 1.1 l 15.2 + 0.6 l
, T21 ! 13.75 1.1 g 12.35 0.4 12.8 0.5 l 12.7 0.6 [
] T22 l 14.7 0.7 y 12.6 i 0.6 , 14.6 1.2-0.9 l 13.8 0.7
{ j i T23 l' 14.6 0.6 l 14.0 i 0.5 14.5 14.5 1 0.6 p T24 14.7 i 1.5 12.01 0.2 {;! 12.1 i 0.8
- 12.71 0.5 1' f T25- 17.3 + - 0.9 - k{
14.5 + 2.7 6 18.0 + 1.2 15.8 + 0.5 d i T26 16.5 i .1.1 15.1 0.9 k 16.4 [ 0.9 k 15.75 0.2 I T27 , 12.0 i 0.5 10.7 0.3 11.8 ' 1.6 ly 11,6 i 1.0 T28 -l 13.2 0.7 11.5 i 0.4 14.4-1 1.1 12.6 +~ 0.5 { , l T29 l 13.6 1.5 12.3 0.5 3 13.6 1 - 0.5 l 13.2 i- 0.6 g- T30 i 12.7 t 0.7 - , 10.6 i 0.6 y 12.1 0.4 l 11.6 i 0.6 3 E T31 13.5 1.0 S 12.2 - 0.6 0 14.3 1.1 - 1 12.91 0.2 l T32 14.3 i 0.8 - 13.71 0.4 44.1 0.7 13.4 0.4 j L
- _i T33 l- 13.4 0.3 .
11.91 0.1 $ji 13.01 0.8 f" 12.61 0.6 9 l' _ l = T34 I 13.4 1 0.9 l 11.2 i 0.4 h 13.5 i 0.7 fi 12.21 0.3 fi l T35 l 13.4 0.6 R 11.2 0.8 il 12.6 0.6 12.4 i 0.6
'g T36 l- 14.7 . _1.4 f 12.6 0.7 13.5 t 1.2 l 13.9 0.2 l l y '137 -{ - 14.0 1 0.2 11.9 i 0.7 lj l 13.7 - 1.1 1 13.1 .i 0.9 y 1- A_ -.
-. l . _ - _ j - . _ = _ $ _ _ _ . = .)
- For details of lost / missing TLDs see section 6 (Program Execution) 9-2
Fermi 2 1991 Annual Radiological Environmental Monitoring Report FERMI 2 TLD ANALYSIS (mRom!Std Otr) s _ _ _. _ _. _ _ . _ . _ _ - _3
. ___ g .__ .. _ . .
e E 4 e [ fSTrlON! FIRST ' SECOND t THIRD I! FOURTH OUARTER QUARTER b OUARTER QUARTER
- f. NUMBER 1 ,1, b ! }.
T38 14.8 r 0 8 ; 13.0 + 04 , 14.5 + 0.5 h 14.3 + 0.7 i T39 14.9 0,7 l 9.5 t 08 l 15.2 1 1.0 15.0 t 0.8 [ T40 13.1 -r 1.8 + 9.81 0.3 [ 13.0 0.7 13.4 + 0.7 [' p T41 p 16.7 1 0.9 j 10.8 t 0.3 ; 16.5 1.0 18.0 t 0.6 15.8 1.0 14.4 1 1.2 16.2 1.1 i g T42 [ y 10.6 + 0.7 I T43 r 17.1 i 0.7 h 9.7 A 1.5 ! 17.5 0.5 , 18.1 i 0.9 ; p f 144 16.1 t 0.3 [ 10.1 0.2 7 15.7 0.4 ( 17.3 r 0.9 T45 14.3 0.4 ( 9.8 + 0.4 13.0 0.7 14.0 t 0.5 ) [( 12.7 t 0.7 14.2 0.3 k T46 13.4 0.7 h 10.4 1 0.5 i T47 18.5 0.5 ( 11.2 t. 0.4 : 16.1 0.9 18.2 i 1.3 p T43 15.0 + 0.3 ?. 11.1 + 0.1 13.3 t 0.7 , 14.6 0.2 [ 16.6 + 0.3 f T49 17.95 0.8 [ E 18.6 1.5 18.0 + 0.9 )
!. TSO ,0 15.3 + 1.0 0 13.4 + 0.5 1 14.3 + 0.8 ,
14.6 + 0.5 i [ T51 E 12.05 1.0 i 10.35 0.4 i: 10.95 0.5 11.7 0.5 0 W TS2 l 12.9 1 0.2 l' 10.5 0.4 12.1 1 0.2 ll 12.3 0.6 4 T53 E 14.9 1 1.2 11A 1.0 14.1 0.8 ) 13.4 0.2 , 12.2 i 04 f T54 ! 13.6 1 1.0 g 10.9 C.4 12.1 i 0.3 E . [ L T55 E * $ 13.3 + 1.9 . 16.1 + 1.1 l 14.8 + 0.5 L f T56 14.4 0.6 [ 12.35 0.2 h f 13.85 1.1 I 13.55 0.3 l l TS7 - 17.8 1.5 11.6 0.8 16.6 1 1.3 h 15.9 0.6 ( 4 T58 ! ' 14.8 1.1 l0 12.4 1.9 13.8 1.5 f 13.0 0.1 [ I
- T59
- p 12.3 + 0.5 13.7 + 1.9 s 13.3 + 0.6 e T60 15.0 + 0.9 i 13.4 + 0.7 ,
14.4 + 2.3 ! 14.5 [ 0.5 l t k T61 f 14.6 1.2 [ 12.7 0.6 + 14.1 . 0.9 {I 14.1 0.5 T62 5 16.0 +~~ 1.1 6 13.8 + 1.0 i 15.8 + 2.1 l 14.7 + 0.6 L T63 l 12.8 - + 1.4 E 11.4 + 0.6 12.0 + 0.9 h 12.6 + 0.6 f t, c -B ,...__==w==__=, w, =.,._=
=
J_..= =., .=-.f. For details of lost / missing TLDs see section 6 (Program Execution) 9-3
+
-+
Fermi 2.1991 Amual Radoiogid Environmental Monitoring Report FERMI 2-AIR PARTICUI. ATE ANALYSIS MRST QUARTER '
' Gross Beta (pCi/cu.m.) .'
i- E ~ ~ ~ ~ ~ g- he '
- ~ #
._ CoHeetp1___ _gl- 1.__ ._ g!;2_____! API-3 L _ Jff-4 _ _
_ _ APl;5_,_ _ ; 01/02/91 l 2.7E-02 3 4.0E-03 2.7E-02 3 4.0E-03 l 1 g 01/09 S 1 l 3.0E-02 3 4.0E-03 3.1E-023 4.0E-03 2.6E-02f 3.0E-03 2.9E-02 3 3.0E-03l 2.7E-02 2.6E-02 3 4.0E-030 3 4.0E-03j 2.7E-02 d 4.0E-03 2.8E-023
] 01/16/91 l 3.3E-02 3 3.0E-03 3.2E-023 3.0E-03 2.9E-023 3.0E-033 3.1E-02 3 3.0E-03] 3.4E-023 3.0E-03[i a 01/23/91 13.1E-02 3 3.0E 2.7E-023 3.0E-03 . 2.SE-02 3 3.0E-03 2.SE-023 3.0E-03.'i 2.8E-023 3.0E-03)
)
~
01/30/91 B 3.3E-02 3 3.0E-03 3.0E-02 3 3.0E-03 2.9E-02 3 3.0E-03 2.9E--02 f 3.0E-03! 2.7E-023 3.0E-03j
- 02/06/91 l 3.0E-02 f 3.0E-03 g 2.6E-023 3.0E-03; 2.7E-023 3.0E-03 2.7E-02 f 3.0E-03; 3.2E-023 4.0E-03j l .
i, 02/13/91 i 2.6E-023 3.0E-03 2.6E-023 3.0E-03j' 2.7E-02 f 3.0E-03 2.8E-023 3.CE-03 j 02/20/91 } 1.7E-023 3.0E-03 1.6E-02 3 3.0E-03 2.6E-02 f 3 OE-03;! 2 iE-02 3 3 0E-03l y 02/27/91 i 2.2E-02f 3.0E-03 1.9E-023 3.0E-03 2.1E-02 1.8E-023 3.0E-03 3 3.0E-03 1.8E-02 1.8E--023 3 3.0E-03ll 2.0E-02 3 3.0E-03; 3.0E-03j j 03/06/91 2.4E-02 3 3.0E-03 2.3E-023 3.0E-03 2.2E-02 3 3.0E-03) 2.0E-02 3 3.0E-03l 03/13/91 f 2.1E-023 2.2E-023 3.0E-03 3.0E-03 2.3E-023 3.0E-03 2.5E-02 f 3.OE-03 2.1E-02 3 3.0E-03 2.2E-023 3.0E-03; l [ 03/20/91 1.2E-02f 2.0E-03.' 1.0E-023 2.0E-03 1.0E-023 2.0E-03 12E-02 3 2.0E-03L 1.4E-023 3.0E-03j j 03/27/91 1.9E-023 3.0E-03 1.8E-023 3.0E-03 1.7E-02 f 3.0E-03 2.0E-02 3 3.0E-03j 2.2E-02f 3.0E-03l 3 L _ __. _ _ _ __c __. __ _ a_.-__.. _ _1__. .___ _.1 -
<i e
Note: API-4 is the control location and API-1, API-2, AFI-3 and api-5 are indcator locations 9-4
+
Fermi 2 1999 Annual Radological Environmental Morito:ing Report'- i FERMI 2 A!R PART1CULATE ANALYSIS , SECOND OUARTER Gross Beta (pCi/co.m.)
. _ _ - - - - - . - - . - - - . = . . - - . = - ., -.
g._ Cope _gted ( API-1 , APA 2,.,_ ( _ _AP M __ ] _ _ API-4_ ._ API-5_ j li E gd 04/03/91 l 2.3E-02 3 3.0E-03 P 2.0E-02 3 3.0E-03 1.7E-02 3 2.0E-03 2.1E-02 3 3.0E-03j 2.3E-02 3 3.0E-03s f 04/10/91 E 2.1E-023 3 OE-03 2.1E-02 f 3.OE-03 1.9E-02 3 3.0E-03 1.8E-02 3 3.0E-03j 1.9E-02 3 3.0E-03! a -04/17/91 l 1.3E-02 3 2.0E-03 1.5E-02 3 3.0E-03 1.5E-02 f 2.0E-03 1.6E-02.f 3.0E-03li 1.6E-02 3 3.0E-03N l 04/24/91 l 1.2E-02 3 2.0E-03 1.3E-021 2.0E-03 1.1E-023 2.0E--03 1.1E-02 f 2.0E-03 g 05/01/91 i 2.0E-02 3 3.0E-03 2.3E-02 f 3.0E-03 2.0E-023 3.0E-03 2.0E-023 3.0E-03!j 1.5E-02f 2.6E-02 3 3.0E-03 2.0E-032 g 05/08/91 l 3.1E-023 7.0E-03 2.8E-023 6.0E-03 3.1E-023 6.0E-03 3.0E-02 3 7.0E-03: 2.8E-02 3 7 0E-03l g 05/15/91 2.4E-02 3 3.0E-03 2.1E-023 3.0E-03: 2.0E-023 3.OE-03 2.2E-02 3 3.0E-03[ 2.3E-02 f 3.0E-03! 05/22/91 1.9E-02 3 3.0E 22E-023 3.0E-03r 1.6E-023 3.0E-03 1.8E-02 3 3.0E-03t 2.0E-02 3 3.0E-03; 05/29/91 1.9E-02 3 3.0E-03 2.0E-02 3 3.0E-03 06/05/91 1.3E-023 3.0E-03 1.4E-02 3 3.0E-03 1.7E-02 f 2.0E-03 1.4E-02f 3.0E-03i 1.4E-021.7E-02 3 2.0E-03[)
+ 3.0E-03 1.8E-02 3 3.0E-03s 2.2E-02 3 3.0E f!! 06/12/91 1.3E-02 3 3.0E-03 1.6E-02 3 3.0E-03 1.1E-023 2.0E-03l 1.5E-02 3 3.0E-03 1.6E-02 f 3.0E-03l 06/19/91 2.6E-023 3.0E-03 1.4E-023 3.0E-03 1.4E-02 f 3.0E-03j 1.6F-023 3.0E-03lj 1.6E-023 3.0E-03l l 06/26/91 q2.1E-023 3.0E-03 1.9E-02 3 3.0E-03 1.8E-02 f 3.0E-03ii 22E-02 3 3.0E-03) 2.1E-02 f 3.0E-03l l= - _._ _
b _ _ _ . _ _ _ _ _ .. _ _.- _ _ _. _ _ _ _ _ . _.. __ _ . _ = _1_ _._ i t Note: API-4 is the control location and API-1, API-2 API-3 and API-5 are indcator locations 9-5
Fermi 21991 Annual Radological Envircavnentr.) Mor;toring Report FERMI 2 AIR PARTICULATE ANALYSIS THIRD OUARTER Gross Beta (pCi/cu.m.)
= = = , = . - = = = - . - . _ - = = = = =
- , _ = = = - . . - = = = = = =
===- == .-. ( -. .
API-2 __ API-3 _ API-4 j _ _APli_ ,
===
Cot j ected _ _ APl 1__ _ . 07/03/91 l 1.8E-02 f 3.0E-03 1.7E-02 f 3.0E-03 1.6E-02 3 2.0E-03) 2.2E-02 3 3.0E-03 2.3E-02 3 3.0E-03) l [ 07/10/91 3 2.4E-02 3 4.0E-03 2.2E-02 f 3.0E-03 1.8E-02 f 3.0E-033 2.1 l 1.9E-02 f 3.0E-03 2.1E-02 f 3.0E-03 2.1E-02 f 3.0E-03f 2.3E-02 3 3.0E-03j 2.1E-02 3 3.0E-03) 07/17/91 [ 07/24/91 ' 2.8E-02 3 3.0E-03 3.1E-02 3 3.0E-03 2.9E-02 f 3.0E-03; 3.2E-02 3 3.0E-03p 3.3E-02 3 4.0E-03 3 [! 07/31/91 1.2E-02 3 2.0E-03 1.3E-02 3 2.0E-03 6.1E-03 f 1.7E-03) 1.7E-02 3 3.0E-03j 1.4F-02 3 2.0E-03j 1.7E-02 f 3.0E-03!; 2.0E-02 3 3.0E-03j 08/07/91 1.5E-023 3.0E-03 1.5E-02 f 3.0E-03 1.7E-02 3 3.0E-03; j.! 1.8E-02d 3.0E-03l 1.9E-02 3 3.0E-03) 2.0E-02 3 3.0E-03s j 08/14/91 ,ll 1.7E-02 f 3.0E-03 1.9E-023 3.0E-03! 1.9E-02 3 3.0E-03:12.4E-02 f 3.0E-03h
; 08/21/91 , 08/28/91 09/04/91 il. 2.7E-02 3 4.0E-03 2.4E-02 f 3.0E-03 2.2E-C2 f 3.0E-03l 2.2E-02 f 3.0E-03 2.1E-02 3 3.0E-03 1.9E-02 3 3.0E-03j 2.0E-02 3 3.0E-03) 2.1E-02 3 3.0E-03?
l 2.0E-02 3 3.0E-03 2.4E-02 3 3.0E-03 2.5E-02 3 3.0E-03j 2.8E-02 f 3.0E-03p 2.3E-02 3 3.0E-03i ( 09/11/91 l 2.3E-02 3 3.0E-03 2.4E-02 f 3.0E-03 2.3E-02 3 3.0E-03!! 2.4E-02 3 3.0E-03j 2.8E-02 3 3.0E-031 2.3E-02 f 3.0E-03l 2.7E-02 3 3.0E-03; 2.6E-02 f 3.0E-03j 09/18;91 a 09/25/91 g 2.2E-023 3.0E-03 2.5E-023 3.0E-03lg 1.5E-02 f 2.0E-03 1.4E.-02 3 2.0E-03 i 1.3E-02 f 3.0E-0
] l 1.7E-02 3 3 OE-03 1.4E-02 3 2.0E-03 = - = = .
.= == T = ~- = ===L== == _ ,L-== - = = .~-:=.= -
h-- f Note: APl-4 is the control location and AF l-1, api-2, APl-3 and APl-5 are indcator locations 9-6
Fermi 21991 AnnualRadological' Environmental Moritoring Report FERMI 2 AIR PARTICULATE ANALYSIS FOURTH OUARTER Gross Beta (pCl/cu.m.),
- r. ._ == s. -
n.= ~ - . - - - - . . . = - - - - -- L._ _ Coljgetqd =. g 1.1 _ _. 1 _ _AP b2 ._ , j __M ;;3 _ _ f_ __gi;4=,_c_j_ __ JI;E _
! li f l
10/02/91 2.1E-023 3.0E-03 il 1.6E-023 3.0E-03 1.7E-023 2.0E-03 1.8E-02 + 3.0E-039 22E-02 + 3.0E-03[ l 10/09/91 1.9E-023 3.0E-03 2.0E-023 3.0E-03 2.3E-02 d 3.0E-03] l 10/16/91 1.8E-02 3 3.0E-03 2.0E-02 3 3.0E-03 1.8E-02 d 3.0E-03 2.0E-02 d 3.0E-03]j 2.4E-02 3 3.0E-03f 2.0E-02 d 3.0E-03
; 10/23/91 2.6E-02 3 3.0E-03 2.5E-02 d 3.0E-03 2.5E-02 d 3.0E-03 2.6E-02 3 3.0E-03j 2.8E-02 3 3.0E-03p 1.9E-02 3. 3.0E-03 1.4E-02 d 2.0E-03 1.9E-02 3 3.0E-03 1.8E-02 3 3.0E-03 2.0E-02 d 3.0E -03j i 10/30/91 11/06/91 3.2E--02 d 4.0E-03 3.0E-02 d 3.0E-03 2.6E-02 d 3.0E-03 2.9E-02 3 4.0E-03] 3.2E-02 d 4.0E-03j 11/13/91 2.3E-02 3 3.0E-03 1.9E-02 3 3.0E-03 2.0E-023 3.0E-03 1.9E-02 3 3.0E-03l 1.8E-023 2.0E-03g s 11/20/91 3.2E-02 d 4.0E-03 3.1E-02 3 3.0E-03 3.1E-023 3.0E-03 3.9E-02 3 4.0E-03: 3.0E-023 3.0E-03j j 11/27/91 1.8E-02 d 3.0E-03 1.4E-02.4 2.0E-03 1.8E-023 3.0E-031 1.6E-02 3 3.0E-03L 1.8E-02 d 3.0E-03j g 12/04/91 2.1E-02 3 3.0E-03 1.8E-023 3.0E-03.,1.8E-02 d 3.0E-03l 2.1E-02 d 3.0E-03j 2.1E-02 + 3.0E-03s y 12/11/91 2.9E-02 d 3 0E-03 2.6E-02d 3.0E-03l 2.8E-023 3.0E-03ll 2.6E-02 3 3.0E-03] 2.5E-02 d 3.0E-03]
( 12/18/91 , 2.9E-02 3 3.0E-03l 3.0E-02d 3.0E-03j 3.2E-023 3.0E-03j 2.9E-023 3.0E-03j 3.0E-02 3 3.0E-03L s 12/26/91 l 1.4E-02 3 3.0E-03j 1.8E-02 d 3.0E-03 1.7E-02 d 3.0E-03j 1.5E-02 3 3.0E -03] 1.4E-02 3 3.0E-03s _ _ _ _ . _ d_ _r_ l _ __. _ l ._ _.m. . _ b. _. _. .___ _ k_ _. _ _.m j
- See section 6 (Program Execution) for details of lost sample.
Note: API-4 is the control location and API 1, API-2, API-3 and API-5 are indcator locations 9-7
~
Fermi 21991 Annual Radiological Environmental Monitoring Report FERMI 2 AIR PARTICULATE QUARTERLY COMPOSITE ANALYSIS API-1 (Indicator) (pCi/cu. m.)
, - -- - - . - - . = _ - - - - - .
7 --- t! __ Nuclide If
,_ First Quartet _ .) Segond _ Quarter ~ i TNrd_O_uarter li Fourth _Ouarter j d g
!) SR-89 < 1.0E-03 < ' 4.0E-04 < 2 0E-03 l < 1.0E-03 f !j SR-90 -
< 1.0E-04 1_ < 4.0E-05 < 4.0E-04 ! < 2.0E-04 !i l BE-7 6.2E-02 6.6E-03 3.2E-02 i 3.3E-03" 8.5E-02 9.1 E-03! 8.2E-02 i 1.1E-02j
! K-40 < 7.0E-03 < 3.0E-03 < 9.0E-03 < 1.0E-02 [j MN -54 < 4.0E-04 < 1.0E-.04 < 5.0E-04 l < 6.0E-04 J CO-58 f < 4.0E-04 < 2.0E-04 . < 7.0E-04 l < 6.0E-04 ,! FE-59 l < 9.0E-04 < 7.0E-04 < 2.0E-03 l < 2.0E-03 l l CO-60 s < 5.0E- 04 < 1.0E-04 i < 5.0E-04 iI ! ZN-65 < 6.0E-04 < 3.0E-04 ! < 1.0E-03 '! <<1.0E-03 5.0E-04 l ! ZR/NB-95 < 5.0E-04 < 2.0E-04 !
< 7.0E-04 < 8.0E-04 h I < 5.0E-04 < 3.0E-04 < . 9.0E-04 < 1.CE-03 RU-103 l l RU-106 < 1.0E-03 < 4.0E-03 1 < 4.0E-03 e j CS-134 l <<4.0E-04 3.0E-03
< 4.0E-04
< 1.0E-04 < 4.0E-04 5.0E-04 lg << 4.0E-04 l 0 CS-137 j < 1.0E-04 < 4.0E-04 0 BA/LA-140j < 3.0E-03 < 5.0E-03 < 1.0E-02 ll CE- 141 p < 1.0E-03 g: < 7.0E-04 , < 2.0E-03 l <<2.0E-02 2.0E-03 l g 3
[ CE- 144 g < 2.0E-03 < 1.0E-03 < 3.0E-03 ( < 3.0E-03 [ j RA-226 g < 8.0E-03 < 3.0E-03 < 8.0E -03 9.0E-03 j j TH -228 l < 7.0E-04 .
< 2.0E-04 < 7.0E-04 g q
<< 8.0E-04 B L u l- ! y c+=== = _ . - . - - - - - - ~ - - - . - - . - - - -
ll- -
.. - ,a f
9-8
Fermi 21991 Annual Radiological' Environmental Monitoring Report FERMI 2 AIR PARTICULATE QUARTERLY COMPOSITE ANALYSIS API-2 (Indicator) (pCi/cu. m.) 7 - =. .- - - - - - . - _ . - - - = ~ . . - . - .
. - x(. .-.-_, ..
3 Nuclida ji __ Fip, Quarter _. I Second Ouarter Third Quarter
, _ . __)!_fough_Ouarter _ft jj SR-89 < 1.0E-03 < 4.0E-04 < 8.0E-04 < 9.0E-04 ..
!! SR-90 < 2.0E-04 < 3.0E-05 < 3.0E-04 < 1.0E-04 ,,
[ BE-7 7.0E-02 i 8.7E-03 2.6E-02 1.1E-01 1.3E-02 9.8E-02 1.5E-02 3.3E-03 l
< 1.0E-02 < 5.0E-03 < 1.0E-02 l < 1.0E-02 pl MN-54 K-40 g < 5.0E-04 < 2.0E-04 < 5.0E-04 i < 6.0E-04 l il CO-58 e < < 2.0E-04 < 8.OE-04 < 8.0E-04 li
[ FE-59 < 6.0E-04 1.0E-03 < 8.OE-04 < 2.0E-03 < 3.0E-03 l p CO-60 f < 6.0E-04 < 2.0E-04 < 6.0E-04 < 6.0E-04 { f ZN-65 < 1.0E-03 < 4.0E-04 < 1.0E-03 < 1.0E-03 11 , I ZR/NB-95 < 7.0E-04 < 3.0E-04 -
, < 1.0E-03 5
[ RU-103 < 8.0E-04 < 4.0E-04 l <<.1.0E-03 9.0E-04 j < 1.0E-03 f; W RU 'aOS '
< 5.0E-03 .
<' 2.0E-03 8 < 5.0E-03 'I < 5.0E-03 6 CS-134 5.0E-04 < 2.0E-04 < 6.0E-04 l < 7.0E-04 1 CS-137 l << 6.0E-04 < 2.0E-04 < 7.0"-04 l < 5.0E-04 l 4
< 3.0E-03 < 4.0E-03 < 1.0E-02 < 2.0E-02 j
,dBall.A-140l CE-141 < 2.0E-03 < 7.0E- 04 < 3.0E-03 l2 < 3.0E-03 ii
$ CE-144 E < 5.0E-03 < 1.0E-03 < 5.0E-03 ! < 5.0E-03 &
W RA-226 < 1.0E-02 < 3.0E-03 < 1.0E-02 ! < 1.0E-02 l L I I ] ' I I "_ _ L 2 ~ "~ ^_ _ C II"__ _ dl 'l "~_" _ d 9-9
- . . - _ _ _ _ _ _ - - _ _ _ _ =
Fermi 2 1991 Annual Radio!ogical Environmental Monito.ing Report FERMI 2 AIR PARTICULATE QUARTERLY COMPOSITE ANALYSIS API-3 (Indicator) (pCi/cu. m.) 7--.--. - - - - , - - , _ . . , - - - I a l ! g N [__Nuglide. il First Quarter i Second Quarter . i ' Thiro Quarter L_ Fourth _Quager_ . h I ; il SR-89 k 2.0E-03 < 4.0E-04 < 9.0E-04 ! < 1.0E-01 ! l SR-90 ! < 1.0E-04 < 4.0E-05 < 3.0E-04 l < 4.0E-04 l
.i BE-7 ! 5.9E-02 6.7E-03 3.1 E-02 3.3E-03 8.4E-02 8.2E-02 1.1 E-02 !
f K-40 ! 1.2E-021 4.5E-03 < 2.0E-03 2.0E-02 1.0E-02l1 < 8.0E-03
! MN-54 < 5.0E-04 < 1.0E-04 l << 6.0E-04
; W < 5.0E l
( CO-58 < 6.0E-04 i < 1.0E-04 < 8.0E-04 l < 7.OE-04
!! FE-59 < 2.0E-03 l' < 5.0E-04 < 2.0E -03 6 < 3.0E-03 lg
!! CO-60 < 5.0E-04 < 2.0E-04 < 5.0E-04 < 6.0E-04 9 ll ZN-65 < 1.0E-03 < 3,0E-04 < 1.0E-03 ll! < 1.0E-03 !
h ZR/NB-95 .< 7.0E-04 < 8.0E-04 ! < 8.0E-04 l
) RU-103 . < 8.0E-04 ! << 3.0E-04 2.0E-04 < 1.0E-03 -l < 1.0E-03 !
j RU-106 < 5.0E-03 < 1.CE-03 l < 5.0E-03 i < 5.0E-03 l ji CS-134 < 5.0E-04 < 1.0E-04 j < 5.0E-04 l: CS-137 < 5.0E-04 < 1.0E-04 l <<5.0E-04 6.0E-04 j < 5.0E-04 l 3 0 BA/LA-140] < 3.0E -03 < 5.0E-03 -< 1.0E-02 f < 2.0E-02 ! CE- 141 l < 9.0E-04 < 6.0E-04 < 2.0E-03 l < 2.0E-03 .!l 0.. CE-144 !
< 2.0E-03 < 9.0E-04 < 2.0E-03 I < 3.0E-03 , !
j RA-226 I < 7.0E-03 j < 2.0E-03 ; < 7.0E-03 l < 1.0E-02 l
!! TH-228 ) < 8.0E-04 l < 2.0E-04 l < 7.0E-04 i < 8.0E-04 i w L==--. = L - - _.- J __ _ L ---- !
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Fermi 21991 Annual Radiological Environmental Monitoring Report XRMI2 AIR PARTICULATE QUARTERLY COMPOSITE ANALYSIS API-5 (Indicator) (pCi/cu. m.) n . . _ . _ 3. __. _ . _ _ _ _ ... _ _ __ ,_ ,. 4 #
# l t
Nuc.lide, $ _ First Quarter _- i . _ - - - Second Quarter Third Quarter . _L_ . . Fourth Quarter.. c
, SR-89 5.0E-04 l < 2.0E-03 l < 9.0E-G4
,; < 2.0E-03 l g << 3.0E-05 : < 6.0E-04 4 < 2.0E-04 P SR-90
< 2.0E-04 6 6E-02 + 1.1E- 02 !
BE-7 7.0E-02 i 9.4E-03) 3.1E-02 3.1E-03f < 2.0E-02 l
! < 2.0E-03 10E-02 : < 9 CE-03 K-40 '-
< 2.0E-02 2 j MN-54
< 7.0E-04 h < 1.0E-04 ! <<7.0E-04 ! < 4 OE-04 l < 2.0E-04 1 < 8.0E-04 5
< 7.0E-04 CO-58 E < 8.0E-04 < 2.0E-03 I < 2.0E-03 FE-59 [ < 2.0E-03 k < 5.0E - 04 l
< 8.0E-04 ': < 1.0E- 04 $ < 7.0E-04 ! < 6 OE-04 E CO-60 ZN-65 E
< 1.0E-03 k < 3.0E-04 $ < 2.0E-03 i < 1.0E-03 L ZR/NS-95 f < 9.0E-04 l < 2.0E-04 ! < 9.0E-04 RU-- 103 ( < 1.0E-03 i < 3.0E-04 ! < 1.0E-03 ! <<8.0E-04 1.0E-03 i < 4 0E-03 RU-106 s < 6.0E-03 i < 1.0E-03 < 5.0E-03 l
< 6.0E-04
< 1.0E-04 l <<4.0E-04 CS-134 I < 7.0E-04 !
5.0E-04 CS-137 < S.0E-04 i < 1.0E-04 ! < 9.0E-04
' Ball.A-140[. < 4.0E-03 ! < 3.0E-03 E 1.0E-02 ! < 1.0E-02
< 2.0E-03 f < 2.0E-03
< i < 2 0E-03 CE-141 : l < 3.0E-03 CE-144 4 < 4.0E-03 l << 5.OE-04 p
3.0E-04 i < 4.0E-03 RA-22G [ < 1.0E-02 l < 1.OE-03 l < 9.0E-03 l < 9.0E-03 TH-228 l < 1.0E-03 i < 1.0E-04 I < 1.0E-03 ; < 8.0E-04 r [ [.- l ~ l, . - , __ _ -, D 9-12
==
. ._ . .. -. . . . . . . - . - _ ~ . - . . . _ _ - - - - - - Formi 2 1991 Annual Radiolo0 ical Environmontal Monitoring Report FERMI 2 AIR LODINE ANALYSIS FIRST QUARTER l-131 (pCl/cu.m.)
- m._ . .m. _ m Jo!!*M4R:L4JPhQA;LJ[-44AP!-SA 1 01/02/91 < 3.0E-02 j< 3.0E-02 < 3.0E-02 !< 3.0E-02 l< 3.0E-02 l 01/09/91 4.0E-02 < 4.0E-02 l< 4.0E-02 l< 4.0E-02 l< 3.0E-02 01/16/91 l< 3.0E-02 4< il< 3.0E-02 !< 3.0E-02 l< 3.0E-02 :< 2.0E-02
- 01/23/91 < 3.0E-02 ' < 3.0E- 02 i< 3.0E-02 i< 3.0E-02 2.0E-02
! 01/30/91 < 3.0E-02 l< 3.0E-02 i< 3.0E-02 < 3.0E-02 '!< < 2.0E-02 l 02/0G/91 i< 2.0E-02 ' < 2.0E -02 j< 2.0E-02 < 2.0E-02 < 2.0E-02 l l 02/13/91 !< 2.0E-02 < 2.0E-02 i< 2.0E-02 < 2.0E-02 < 2.0E-02 l 02/20/91 !< 2.0E-02 < 2.0E-02 l< 2.0E-02 < 2.0E-02 l< 1.0E-02 ! ,
{ 02/27/91 l< 3.0E-02 < 3.0E- 02 < 3.0E-02 i
< 3.0E-02 !< 3.0E-02
! 03/06/91 l< 5.0E-02 < 5.6E-02 l< 4.0E-02 l< 4.0E-02
< 3.0E-02
- 03/13/91 !< 3.0E-02 < 3.0E-02 i < 3.0E-02 i< 3.0E-02 < 2.0E-02
!< 3.0E-02 l< 3.0E-02l< 2.0E-02 2.0E -02 < 2.0E-02 f:< < 2.0E-02 03/27/91 < 2.0E-02 l< 2.0E-02 g< 2.0E-02 l 03/20/91 ;< 1.0E-02 i L .--.m ., L _ J J L_J 4
SECOND OUARTER l-131 (pCl/cu.m.)
.- __ .-- -u Collected (gbi4 API-2 ' SgPg3] J b4 JP1-5 l l !
l 04/03/91 < 3.0E-02 l< 3.0E-02 j< ?.0E-02 < 3.0E-02 l< 2.0E-02 > 04/10/91 < 2.0E-02 l< 2.0E ^2 i< 2.0E-02 < 2.0E-02 !< 1.0E-02 . 04/17/91 < 2.0E-02 !< 2.0E-02 l< 2.0E-02 < 2.0E-02 < 1.0E-02 04/24/91 < 2.0E-02 < 2.0E-02 l< 2.0E-02 j< 2.0E-02 < 1.0E-02 05/01/91- < 3.0E-02 < 3.0E-02 !< 3.0E-02 < 3.0E-02 < 3.0E-02 {l 05/08/91 < 3.0E-02 < 3.0E-02 l< 3.0E-02 < 3.0E-02 !< 3.0E-02 ! 05/15/91 < 2.0E-02 < 2.0E-02 !< 2.0E-02 l< 2.0E-02 < 1.0E-02 05/22/91 < 2.0E-02 < 2,0E-02 < 2.0E-02 l< 2.0E- 02 < 1.0E- 02 05/29/P1 < 2.0E-02 < 2.0E-02 . < 2.0E-02 i< 2.0E-02 < 2.0E-02 06/05/91 < 2.0E-02 < 2.0E-02 l< 2,0E-U2 !< 2.0E-02 < 7.0E-03 06/12/91 < 2.0E-02 < 2.0E-02 l< 2.0E-02 < 2.0E-02 < 2.0E-02
!< 2.0E-02 l< 1.0E-02 < 2.0E-02 < 2.0E-02 GG/19/91 06/26/91 I< 3.0E-02!< 3.0E-02l< 2.0E-02 l< 3.0E-02 < 2.0E-02 -
t _ _ _ _._ b _ l _ =. d.__. mj==g= _._j
- See : oction 6 (Program Execution) for details of lost samplo.
9-13
- u. -- . . . -. . - . . , - - . _ _ . - . . - . . - . . -
Fermi 2 1991 Annua; Radiological Environmental Monitoring Report FERMI 2 AIR IODINE ANALYSIS THIRD QUARTER l-131 (pCi/cu.m.)
.-. . .- . m -
m . 7 Colkteted _ i _ API _-- 1 .. APF-2 ,! _APl-3 APl--4 f , API-5 k i 07/03/91 i< 3.0E-02 !< 3.0E-02 !< 3.0E-02 !< 3.0E -02 !< 1.0E-02 l 07/10/91 i< 3.0E-02 !< 2.0E-02 l< 2.0E-02 ! < 2.0E- 02 !< 2.0E-02 l 07/17/91 !< 3.0E -02 !< 3.OE-02 ;< 3.0E-02 l< 3.0E-02 l< 1.0E-02 i 07/24/91 !< 2.OE-02 l< 2.0E-02 i< 2.0E-02 !< 2.0E- 02 !< 1.0E-02 i
! 07/31/91 !< 4.0E-02 l< 4.0E-02 i< 3.0E-02 l< 4.0E-02 !< 1.0E-02 1 ; 08/07/91 < 2.0E-02 ' < 2.0E-02 l< 2.0E-02 !< 2.0E-02 ! < 1.0E-02 i 08/14/91 :< 2.0E-02 < 2.0E-02 l< 2.0E-02 !< 2.0E-02 l< 1.0E-02 i , 08/21/91 !< 3.0E-02 !< 2.0E-02 l< 2.0E-02 i< 2.0E-02 , < 2.0E - 02 i H 2.0E-02 i< 2.0E-02 l< 2.0E-02 l< 2.0E-02 j < 2.0E-02 i ; 08/28/91 j 09/04/91 ;< 2.0E-02 i< 2.0E-02 i< 2.0E-02 ;< 2.0E-02 j< 1.0E-02 i ! 09/11/01 i< 2.0E-02 l< 2.0E-02 l< 2.0E-02 !< 2.0E-02 !< 1.0E-02 l l 09/18/91 )< 2.0E -02 j < 2.0E-02 l< 2.0E-02 ;< 2.0E-02 I < 1.0E-- 02 l 09/25/91 !< 2.0E-02 ;< 2.0E-02 l< 2.0E-02 ;< 2.0E-02 l< 2.0E-02 !
kn- .s__L:---- --n-=== l
=a FOURTH OUARTER l-131 (pCl/cu.m.)
_==,- .--,_-p=-= - .- p:ggetoQ API-1 QPI-,2._j_APli ! APE 4_i _ APl- _5 i i i I i l 10/02/91 { < 2.0E-02 j < 2.0E-02 l< 2.0E-02 j< 2.0E-02 l< 1.0E-02 {
! 10/09/91 i
- i
!< 2.0E-02 :< 2.0E-02 !< 1.0E-02 i l' 10/13/91 !< 2.0E-02 !<<2.0E-02 2.0E-02 !< 2.0E-02 !< 2.0E-02 !< 2.0E-02 l 10/23/91 !< 3.0E-02 !< 2.0E-02 !< 2.0E-02 !< 2.0E-02 {< 1.0E-02 i
! 10/30/91 !< 3.0E-02 < 3.0E-02 { < 2.0E-02 !< 3.0E-02 i< 2.0E-02 j
; 11/06/91 l< 3.0E-02 .< 3 0E-02 { < 3.0E-02 l< 3.0E-02 { < 1.0E-02 l l 11/13/91 l< 3.0E-02 '< 3.0E-02 :< 2.0E-02 j < 3.0E-02 l< 9.0E-03 !
l 11/20/91 l< 3.0E-02 < 3.0E-02 j< 3.0E-02 l< 3.0E-02 j < 2.0E-02 ! i 11/27/91 !< 3.0E-02 !< 3.0E-02 !< 3.0E-02 + < 3.0E-02 !< 2.0E-02 '
} 12/04/91 l< 4.0E-02 j < 4.0E-02 {< 4.0E-02 < 4.0E-02 !< 2.0E-02 !
4 12/11/91 !< 4.0E-02 !< 4.0E 02 ! < 3.0E -02 ; < 4.0E-02 ! < 1.0E-02 l
! 12/18/91 i< 4.0E-02 j < !< 4.0E-02 j < 4.0E-02 !< 2.0E-02 i i 12/26/91 j< 3.0E-02 k < 4.0E-02 3.0E- 02 ! < 3.0E -02 < 3.0E-02 [< 1.0E-02 ;
4 01/02/92 !< 4.0E-02 l< 4.0E-02 !< 3.0E-02 i< 4.0E-02 ;< 1.0E-02 3 li w.= - - u _ = = == ---- L = a- -
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- Soo section 6 (Program Execution) for detans of lost samplo.
9 -14
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, L__ _ _1__. -> f 9-42
Ferrni 21991 Annual Radiological Environrnenta! Monitoring Report FERMI 2 VEGETABLE ANALYSIS FP-6 (Indicator) (pCi/kg wet)
. - . - - . . - . . . . - - . - . - - ~ ---
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--(- ---===== = ==
fjucligg (=__,_,.05/08/31]___,, __1p[QQi,, _l l SR-89 < 7.0E + 01 ! < 7.0E+ 01 l l SR-90 < 2.0E + 01 < 2.0E+01 j
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l 9-62
Formi 2 1991 Annual Radiological Environmental Monitoring Report FERMI 2 SEDIMENT ANALYSIS S-2 (Indicator) (pCi/kg dry) V- I l I }} Nuclid3 _ Og/08[9_1,, i 10/11/91 SR-89 < 8.0E+01 < 2.0E+ 02 ! SR-90 2.8E+01 i 1.4E + 01 < 7.0E+01 l
'BE-7 < 3.0E+02 < 3.0E+02 K-40 1.1 E + 04 1.15+ 03 9 9E+03 i 9.9E+02 MN-54 1.9E + 02 2.9E + 01 < 2.0E + 01 .i
; CO-5B 8.5E + 01 i 3.1 E+01 < 2.0E + 01 l l FE-50 < 9.0E+01 < 6.0E+01 i l CO-60 1.4E + 02 3.8E + 01 < 2.0E+01 l ZN-65 < 7.0E+01 < 5.0E + 01 i ZR/NB-95 < 3.0E+01 < 3.0E + 01 RU-103 < 4.0E+01 , < 3.0E+01 l RU-106 < 2.0E+02 < 2.0E+02 CS-134. < 3.0E+01 < 2.0E + 01 CS-137 < 3.0E+01 < 2.0E+01 BA/LA-140 < 1.0E+ 02 < 9.0E +01
- CE-141 < 7.0E+01 < 6.0E + 01 CE-144 < 2.0E+02 < 2.0E+02 RA-226 < 5.0E+02 9.9E+02 i 4.1E+02 TH-228 1.5E+02 1 2.3E+ 01 3.6E+ 02 4.4E + 01 l_
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l Fermi 2 1991 Annual Radiological - Environmental Monitoring Report FE'1MI 2 SEDIMENT ANALYSIS S-3 (Indicator) (pCi/kg dry) p== -.-_.,(-. =:=======-.- =====----===q b_ G/08/91 _10QO/g( F_SR-89 Nuclido< 8.0E + 01 l 1 < 1.0E + 02
)
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< 3.0E+ 01 1 RU-103 < 3.0E +01 < 3.0E+01 E RU-106 < 2.0E+02 < 2.0E+02 . l CS-134 < 2.0E + 01 < 3.0E + 01 d CS-137 I < 2.0E + 01 < 2.0Et 01 !
BA/LA-140 < 1.0E+ 02 < 1.0E+ 02 i CE-141 < 4.0E+01 < 6.0E + 01 CE-144 ' < 1.0E+ 02
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9 - 64
-1 Fo@i 2 1991 Annual Radiological Environmental Monitoring Report -
FERMI 2 SEDIMENT ANALYSIS S-4 (Indicator) (pCi/kg dry) n._. ,.- _ . . - - . - - - ,
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y NucJide - 04/17/91 F 10/_08/91- ; l [f - 1 SR-89 < 7.0E +01 < 4.0E + 02 SR-90 ,
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- CO-58 l < 2.0E + 01 < 3.0E +01 FE-59 } < 6.0E+01 < 8.0E+01 C0-60 l < 2.0E +01 < 2.0E +01 ZN-65 l
< 6.0E + 01 !
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< 4.0E +01 < 6.0E +01 CE-144 i < 1.0E+02 < 1,0E +02 RA-226 i < 5.0E+02 5.4E+02 1 2.9E+ 02 TH-228 l 1.7E+02 + 2.4Et01 1.6E+02 + 1.8E+01 .
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Formi 2 1991 Annual Radiological Environmental Monitoring Report 1 FERMI 2 SEDIMENT ANALYSIS S-5 (Control) (pCi/kg dry) I.Nuclide_! i
~ 05/10/91 j_ -
10/1]/91, 7
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SR-89 1.0E+ 02 < 1.0E + 02 SR-90 lj << 3.0F+01 3
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< 4.0E +01 CS-137 1.6E+02 i 2.3E+01 1.5E + 02 4.2E + 01 BA/LA-140 < 1.0E+02 < 1.0E + 02 ,
- CE-141 < 8.0E+01 < 9.0E+01 1 CE-144 < 2.0E+02 < 3.0E + 02 f, R RA-226 7.5E+02 i 4.3E+02 1.0E + 03 6.0E + 02
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==
f ormi 2 1991 Annual Radiological Enynonmental MonitonnO Re00'1 APPENDIX A INTERLABORATORY COMPARISON PROGRAM RESULTS 10-1
Formi 2 1991 Annual Radiological Environmental Monitoring Report US EPA INTERLABOR ATORY COMPARISON PROGR AM FOR 1991 Starting in 1991, Detroit Edison contracted Teledyne isotopes East Lat> oratory to provide analytical results of REMP environmental samples Toledyne isotopes participates in the Environmental Protection Agency's (EPA) crosscheck program. In the EPA crosscheck program, participet laboratories receive from the EPA environmental samples of known activity concentration for analysis. After the samples have been analyzed by the laboratory, the EPA reports the known activity concentration of the samples to the laboratory. The laboratory's results are compared to the EPA reported concentrations to determine any deviations. Participation in this program provides assurance that the contract laboratory is capable of meeting eccepted criteria for radioactivity analysis. In 1991, Toledyne isotopes correctly, with in one standard deviation, anelyzed 02% of the EPA cross 0 heck samples. Of the six samples that did not fall within this range, four were 'tithin two standard deviations of the EPA values, and two were within three stanLard deviations of the EPA values The results are shown in the following tables and indicate that Teledyne is topes is capabl of routinely performing high quality analysis on environmental samples. 10-2
fern 4 2 1991 AnnualitadiokTgical Environmontal Martonng Repcx1 ifliDYNE ISO 10 PES US EPA IN1ElllARORA10RY COMPAlllSON T'llOGRAM i OR 1991 _= -- - }. __ . Date . .( Mofra Nuciide [ FPA Resut1 (a) . lsotopos nesult (b) 01/11/91 Water Sr-89 500 3 5 00 :; 00 + 0 00 Sr-90 500 + 5 00 500 + 0 00 01/25'91 Water Or- Alpha 5 00 +. 5 00 9 00 + 1.00 Gr-Beta 5 00 + 5 00 700+ 0 00 02/08'91 Water Co-60 40 00 e 5 00 39 33 - 3 06 Zn- 65 149 00 p 15 00 147.00 f 1 00 Ru- 106 186 00 3 19 00 176 67 + 17.56 Cs- 134 801+ 5 00 7 33 f 0 58 Cs-137 800 4 5 00 767 4 3 21 Ba- 133 75 00 + 8.00 75 67 + 5.51 02/15/91 Water l- 131 75 00 f 8 00 80 00 + 5 2') 02/22/91 Wator H-3 4418 00 1 442 00 4500 00 1 173 21 03'08/91 Water Ra-226 31,80 1 4 80 28 33 + 4.73 Pa-228 21.10 1 5 30 1667 1 2 08 03/29'91 Air Filter Gr- Alpha 2500 1 6 00 4267 1 0.58 (c) Gr-Beta 124 00 1 6 00 1 N 67 f 5 T/ Sr-90 4000 1 5 00 37 00 1.00 Cs-137 40 00 5 00 4300 1 5 20 04/10/91 Water Gr- A!pha 5400 2 14 00 5967 1 4 04 Ra-226 8 00 1.20 7.33 1 0 81 Ra-228 15.20 f 3.80 1000 1 0.00 (d) Gr-Beta 115.00 1 17.00 110 00 2 0 00 Sr-89 ?8.00 i 5 00 3100 1 1.00 Sr-90 2600 1 5 00 2100 1 0 00 Co-134 24 00 + 5 00 25 00 + 1 00 Cs-137 25 001+[ 5 00 2400 1 1.73 04/26/91 Milk Sr-89 3200 1 5 00 24.00 1 3 00 (e) S*- 90 32.00 5 00 2633 1 2.08 1- 131 6000 1 6 00 5333 1 2.31 Cs-137 49.00 1 5 00 52.67 1.53 K 1650.00 f 83 00 1590.00 t 81 85 05/10S1 Water Sr-83 3900 1 5 00 38 67 4 51 Sr-90 2400 1 5 00 22 00 + 1.73 2 1 05/17/91 Water Gr- A!pha 24.00 .+ 6 00 2433 1 2 52 Gr-Beta 4600 1 5 00 5033 1 1.53 06'07/91 Water Co-60 10 00 + 5.00 1033 1 0 58 Zn-65 108 00 + 11.00 106 00 f 2 65 Ru-106 149 00 15 00 13G 67 + 3 79 Cs-134 15 00 + 5.00 13 67 + 1.53 Cs-137 14.00 + 5 00 13 67 + 1.53 Ba-133 62.00 6 00 56 33 +_ 1.53 10-3
f ermi ? 1991 Annual Rad.ological l'nvuonmental Monitoring Report 10LEDYNE ISOTOPE 0 US EPA INTEllL ADOilATOl1Y COMPAlllSON PilOGilAM 1 011 1991
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! , it,otopes Re sult (t.)
06/21/91 W ater H-3 12480 00 + 1248 00 12833 33 + 115 50 07/12/91 Water Ra-226 1590 4 2 40 15 00 , 1 00 Re - 228 16 70 f 4.20 14334 2 31 08/09/91 Wate r l- 131 20 00 f_ 6.00 19 33 + 0 50 08/30/91 Air Ftiter O r- Alpha 2500 3 6 00 27.00 f_ 2 00 G r - Bo ta 92 00 + 10 00 100 00 4 0 00 St-90 30 00 $ 5 00 2767+ 2 89 Co-137 30 00 +. 5 00 33 33 t 3 21 09/13/91 W ater Sr-89 4900 1 5 00 5067 4 2 89 Sr-90 25 00 + 5 00 26 00 + 1.00 09/20/91 W ater G r - Alph a 10.00 1 5 00 11.67 .4_ 0.58 Gr-Bela 2000 1 5 00 21.00 d 0 00 09/27/91 Milk Sr- 89 2500 1 5 00 21.00 1 2 f,5 Sr-90 25.00 1 5.00 19 00 f. 0 00 (e) l- 131 108 00 i 11.00 113 33 1 5 77 Cs-137 3000 2 5 00 29 00 f 3 61 K 1740 00 1 87.00 1503 33 + 75 06 F) 10/04/91 Water Co - 60 2900 1 5 00 30 33 1 2 08 Zn-65 7300 1 7.00 72.67 1 7.09 Ru - 10fe 199.00 1 20 00 197.67 1 7 51 Cs-134 1000 1 5 00 10 33 t 0 58 Cs- 137 1000 1 5 00 11.33 1 0.58 Ba-133 9800 1 t o 00 3 7.00 + 8 72 10/18/91 W ate r H-3 2454.00 1 353 00 2333 33 p 57 74 10/22/91 Water Or- Alpha 82 00 1 21.00 5500 1 4 36 (f) Ra-226 22.00 1 3.30 21.00 p 2.65-Ra-228 22.20 1 5 60 1800 1 1.00 Gr-Deta 65 00 f 10.00 5600 1 1.00 Sr-89 1000 1 5.00 to 67 1 2.08 St-90 1000 2 5.00 9 33 + 0.58 Co-60 20.00 i 5.00 19 67 0 58 C s - 134 1000 1 5 00 10 33 $ 2 08 C s -- 13 7 11.00 4 5 00 13 67 f 0 58 11/08/91 W ater Ra-226 650 1 1.00 537 1 0 32 Ra-228 810 1 2.00 7.90 f 1.20 10--4
l l Fermi 2 1991 Annual Radiological Environmental Monitoring Report TELEDYNE ISOTOPES US EPA INTERLABOR ATORY COMPAHlSON PROGR AM FOR 1991 Footnotes: (a) EPA Results Expected laboratory prncision (1 sigma). Units are pCi/ liter for water and milk except K is in mg/ liter, Units are total pCi for air particulate filters. (b) Teledyne Results Average +/- one sigma. Units are pCilliter for water and milk except K is in mg/ liter. Units are total pCl for air particulate filters. (c) The sample nre tents a different counting geometry. The EPA deposits activity in a 3/4 inch liameter circle, on a plastic disk approximately 3/32 inch thick. A special calibration for EPA filters will be performed The laboratory has obtained blank filters from the EPA Las Vegas facility, and will simulate their deposits. (d) The lowest three results out of nine analyses were chosen. Other results in the group were close to the given va!ue. The process for accepting data is currently under review. (e) The cause for the deviation is b6lieved to be erroneous strontium yields, probably caused by incomplete separation of calcium. The laboratory has investigated carrier concentrations and pipeting techniques, and have found them ~ to be correct. Further aspects of analysts' techniques are being tested The laboratory has received a new strontium extraction material developed at Argonne National Laboratory. Experiments with this method to achieve better separation of calcium were completed and procedure PRO-032-105 w'as implemented on 02/01/92. (f) This deviation is greater than one sigma and an investigation is being conducted, the results will be forwarded to the EPA by Teledyne isotopes 10 S
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