ML20042E083
| ML20042E083 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 12/31/1989 |
| From: | Martin J TELEDYNE ISOTOPES MIDWEST LABORATORY |
| To: | |
| Shared Package | |
| ML20042E081 | List: |
| References | |
| NUDOCS 9004200053 | |
| Download: ML20042E083 (221) | |
Text
{{#Wiki_filter:l l ,' , 1 > . i. GENERAL OFFICE Nebraska Public Power District
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*s NLS9000122 March 27, 1990 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-
Subject:
Annual Radiological Environmental Report Cooper Nuclear Station NRC Docket No. 50 298 DPR 46 Centlemen:
, In accordance with specification 6.s.l.E of the Cooper Nuclear Station . Technical Specifications, Nebraska public power District submits the Cooper Nuclear Station Annual Radiological Environmental Report for tt.e period January 1, 1989 through December 31, 1989.
In accordance with 10 CPR 50.4(b)(1), we are enclosing one signed original of the report for your use and one copy to the Regional Office and one copy to the NRC Resident Inspector. Should you have any questions or comments regarding this report, please contact my office. Sincerely, t
" C. A. Trevors Division Manager Nuclear Support
/rg Enclosure
, cc: U.S. Nuclear Regulatory Commission Regional Office - Region IV
.o NRC Resident Inspector 4 Cooper Nuclear Station '
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- o REPORT TO NEBRASKA PUBLIC POWER DISTRICT COLUMBUS. NEDRASKA RADIATION ENVIRONMENTAL MONITORING PROGRAtt COOPER NUCLEAR STATION NEMAHA COUNTY, NEBRASKA ANNUAL REPORT JANUARY 1 TO DECEf1BER 31, 1989
,o PREPARED BY TELEDYNE IS0 TOPES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675
- REPORT APPROVED BY: .
J/ DAVID MARTIN,ilANAGER ENVIRONMENTAL ANALYSIS DEPARTMENT ,
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-i PREFACE f
a This report covers the period of January 1 through December 31, 1989.- I All sample collections were made-by a contractor' and personnel of the' Nebraska. Public Power District. Analyses were performed and _ reports of f analyses were prepared by Teledyne _lsotopes .and forwarded to Nebraska Public Power District. W 9 6 4
.1
-0
.ii '
r TABLE'0F' CONTENTS
;, PAGE .. Preface................................................................. 11 L i s t of f a b1 e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ListofFigures..........................................................vii 1. Introduction............................................................. I
- 11. S u mma ry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 111. Sampli ng and Analyses Program, St ations and Maps. . . . . . . . . . . . . . . . . . . . . . . . 3.
IV. Discussion....................................................... A. Program Objectives and Data Interpretation B. Atmospheric Nuclear Detonations V. Radiological Environmental Monitoring Program Summary Table 3...........12 REMPS TABLE 3 ANNUAL
SUMMARY
OF ALL STATIONS OF THE............... ISOTOPES 13
- 0F INTEREST WITH YEARLY AVERAGE ACTIVITY, NUMBER OF DETECT 10NS PER TOTAL STATION WITH HIGHEST AVERAGE ACTIVITY, AVERAGE OF CONTROL STATION AND INCLUSIVE DATES OF ANALYSES L
i VI. DISCUSSION, IMPACT ON THE ENVIRONMENT, GRAPHS OF RESULT 3 AND STATISTICAL...... 28 TABLES FOR EACH QUARTER A and B. AIR PARTICULATES - GROSS BETA - GROSS ALPHA.................... 29 C. CHARC0AL FILTER, 1-131......................................... 43 0. COMPOSITE OF AIR PARTICULATE FILTERS - GAMMA .................. 50 E. FISH........................................................... 57 F. MI L K - N E AR E ST PRODUC ER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 G. MILK - OTHER
- PR00VCERS......................................... 69 l
iii
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. TABLE OF CONTENTS PAGE
.. I H. GROUNDWATER.................................................... 76 :
i I. RIVER WATER.................................................... 81 J. THERM 0 LUMINESCENT 00SIMETERS................................... 88 K. FOOD - BROADLEAF VEGETATION.................................... 95 L. SHOREL I NE SE D IME NT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 REFERENCES........................................................ 104 k!!. COMPLETE DATA TABLES.................................................... 105 A,B,C. AIR PARTICULATE FILTERS - GROSS ALPHA, GROSS BETA, 1-131........ 106
. D. COMPOSITE - AIR PARTICULATE FILTERS............................. 127 E. FISH............................................................ 138 F. MILK - NEAREST PR0DUCER......................................... 141 G. MILK - OTHER PRODUCERS.......................................... 147 H. GROUNDWATER..................................................... 150 I. RIVER WATER..................................................... 153 J. THERM 0LUMI NESCENT DOS! METERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 l K. FOOD - BROADLEAF VEGETATION..................................... 167 i
- l. L. SHORELINE SEDIMENNT............................................. 180 i
l l l l , iv 1
i TABLE OF CONTENTS d, PAGE V!!!. Appendix A. LAND USE CENSUS...............................................A-1 B. INTERL ABORATORY COMP ARI SON PR0 GRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 C. STATISTICAL N0TES.............................................C-1 D. NOTIFICATION LEVELS...........................................D-1 E. CONVENTIONS USED IN DATA TREND GRAPHS.........................E-1 F. DETECTION CAPABILITIES................................... ....F-1 G. SAMPLE STATION LOCATIONS AND SAMPLE TYPE S. . . . . . . . . . . . . . . . . . . . .G-1 H.
SUMMARY
OF DOSES TO A MEMBER OF THE PUBLIC 0FF-SITE. .. .. . . . . . .H-1
'k V
LIST OF TABLES .. t _ TABLES TITLE PAGE 1 Sampling schedule and analysis, 4 1989, Cooper Nuclear Station 2 Sample Station Location with 6 Distance and Direction from the Elevated release point (ERP) 3 Summary of Radiological Monitoring -13 Program
. A to L Statistical Summary Tables - Section VI pages 28-103 By Sample Type
. A to L Data Tables - Section VII. pages 105-181 By Sample Type and Station e
vi' j
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, LIST OF FIGURES No. Title Page 1 Maps of sampli n9 stations, Cooper Nuclea r Station. . . . . . .... . . . . . . .. . 8,9 A-1 Ai r Pa rt i cul a te, G ros s Bet a - CNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31,32,51,52 A-2 Ai r Pa rt i cul at e, G ros s Bet a - ERAMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33,34,53,54 i
B-1 Ai r Pa rt i cul at es , G ros s Alp ha - CNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31,32,51,52 C-1 Ai rbo rn e - l odi ne , C NS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4,4 ! D-1 Ai r Pa rti cul ates - Ce-144 - CNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31,32,51,52 0-2 Ai r Pa rti cul ates C e-144 - EML. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33,34,53,54 E-1 Fish, Gross Beta, K-40, Sr-90 and Cs-137 - All Locations........... 58,59 F-1 Milk - Nearest Producer, K-40, 1-131 and Cs-137. . . . . . . . . . . . . . . . . . . . 63,64 F-2 Milk - Hea rest Producer, Sr-89, Sr-90 and El em. Ca. . . . . . . . . . . . . . . . . 65,66
, G-1 Mil k - Commerci al Producers , K-40, 1-131 and Cs-137. . . . . . . . . . . . .. . . 70,71 G-2 Milk - Commerci al Producers, Sr-89, Sr-90 and El em. Ca. . . . . . . . . . . . . 72,73 H-1 Groundwater - All Locations, Gross Alpha, Beta and H-3............. 77,78 1-1 River Water - All Locations , Gross Alpha, Beta. ....... ..... .. .. . . . . 82,83 1-2 River Water - All Locations, Sr-89, Sr-90 and H-3. . . . . . . .. . . . . ..... 84,85 J-1 The rmolumi nescent Dosimet ry - All Locati ons. . . . . . . . . . . . . . . . . . . . . . . . 89,90 K-1 Food - Broadl eaf Ve9etation - All Locati ons. . . . . . . . . . . . . . . . . . . . . . . . 96 L-1 Shoreli ne Sediment - K-40, 1 -131, Cs-134 and Cs-137. . . . . . . . . . . . . . . 101 t
4 e vii
I. INTRODUCTION This report contains a complete tabulation of data collected during
, the period January through December 1989, for the operational Radiological Environmental Monitoring Program performed for the Cooper Nuclear Station i' (CNS) of the Nebraska Public Power District (NPPD) by Teledyne isotopes.
Cooper Nuclear Station is located in Nemaha County in the southeast l corner of Nebraska on the Missouri River. A portion of the site extends into Missouri. The reactor is a 778 megawatt boiling water reactor. Initial i criticality was attained on February 21 - 1974. The reactor reached 50% power on June 25,1974 and 100% power on November 20, 1974. Radiological' environmental monitoring began in 1971 before the plant l became operational -and has continued to the present. The program _ monitors radiation levels in air, terrestrial and aquatic environments. -Most samples are collected by NPPD personnel. All are shipped for analysis to a con-t ractor's laboratory where there exists special facilities required for measurements of extremely low levels of radioactivity. From 1971 through 1976 the contractor was Teledyne Isotopes. Westwood, New Jersey. NALCO ! Envi ronmental Sciences assumed responsibility for the analyses effective January 1,1977.
. On November 1.1978 Hazelton Environmental Sciences Corporation (HESC) assumed responsibility for the program. Prior to November 1, 1978 Hazelton Environmental Sciences operated as NALCO Environmental Sciences. Teledyne , ' , Isotopes again assumed responsibility for the analyses effective January 1, 1979 through December 31, 1989.
i t 1 t l 1 1 l,
1 w II.
SUMMARY
Presented in this report are summaries and discussions of the data generated for the Radiological Environmental Monitoring Program (REMP) ** for the Cooper Nuclear Station (CNS) of the Nebraska Public Power District (NPPD)for1989. Part V. Table 3 presents the yearly summary of the program with the total number of samples of each type analyzed, the yearly average for all samples .the number of detections per total number of samples, the station with the highest average, the average of the cor, trol station, and the in. clusive dates of the analyses. Part VI is a discussion of each type of sample _ analyzed and its impact, if any, on the environment, included also is a graph of the isotopes of i nterest since 1977 and the statistical results for each quarter of the year. This is followed by a complete tabulation of the data by sample type and station number. The 1989 radiological environmental measurements for CNS indicates that there has been no residual fallout resulting from the explosion and fire at the Chernobyl Reactor in the Soviet Union which occurred on April 26, 1986. It may be concluded from all measurements taken that the operations of CNS had no detectable impact on the environment in the vicinity of CNS.
- 4 9
4 2
P III. SAMPLING AND ANALYSES PROGRAM, STATIONS AND MAPS
. The 1989 sampling and analysis program is described in Table 1. ;
Teledyne Isotopes has a comprehensive quality assurance / quality control program designed to assure the reliability of data obtained. The results , for 1989 of the Intercomparison Program conducted by the EPA Environmental Monitoring Systems Laboratory in Las Vegas, Nevada, are contained in Ap. pendix B. Sampling locations are summarized in Table 2. The type or status of each location and its distance and direction f rom the reactor elevated release point are specified. A map of locations follows (Figure 1). . Complete descriptions of current and earlier sampling locations are given in Appendix G. i The annual land use census for 1989 is described in Appendix A. There were no milk animals found within three miles of CNS. The nearest garden , is 1.3 miles from CNS in Sector M. l All of the required samples were analyzed in 1989 except for the t following: T COLLECTION PATHWAY SAMPLE STATION PERIOD REASON j
. Ai rborne Air Particulate 09 03/13-03/20 Sample not Filter received. .
Ambient TLD 85 01/04-04/03 Reported as . Gamma last. Radiation b b G i 3
TABLE 1-NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION ENVIRONMENTAL RADIATION SURVEILIANCE PROGRAM *. . SAMPLING SCHEDULE AND ANALYSES ' YEEKLY
- Samole Tvoe Station Nos. Analyses Airborne - Particulates 1-10 Gross alpha, beta.
Camma_ isotopic on quarterly composite of each station and on each sample in which gross beta activity is >10 times the yearly. mean of control samples. Airborne - Iodine 1-10 I-131 SEMI-MONTHLY Sample Tvoe Station Nos. Analyses
- Milk Nearest Producer 61 I-131 (low level)
(Peak Pasture only) Gamma isotopic - Sr-89, Sr-90 Elem. Ca on monthly composite MONTHLY Samele Tvee Station Nos. Analyses River Water 12, 28 Cross alpha - sus & dis Cross beta - aus & dis Sr-89, Sr 90 Camma isotopic Tritium on quarterly composite Milk - Nearest Producer 61 I-131 (lov level) (Except Peak Pasture Sr-89, Sr-90 - Season) Elem. Ca
- Gamma isotopic Food Products - 35. 96, 97 I-131 Broadleaf Vegetation Gamma isotopic
-(Vhen Available) 4 a
i OUARTERLY t i ; Samole Tvoe Station Nos. Analyses l Background Radiation 1-10, 20, 44, 56 TLD readout (gamma - 58, 59, 66, 67, 71, dose) ,
. 79 91, 94 Cround Water 11, 47 Cross alpha, beta.
Camma isotopic Tritium Milk - Commercisi & 42, 95 I-131 (lov level) - Other Milk Producers Sr-89, Sr-90 Elem. Ca Camma isotopic TWO TIMES / YEAR Samole Tvoe Station Nos. Analyses Fish (Summer and Fall) 28, 35 Cross beta Sr 89, Sr-90 Camma isotopic i L Shoreline Sediment 28 Camma isotopic l e 6 W F S 5
lABLE 2 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION BROWNVILLE NEBRASKA DISTANCE AND DIRECTION FROM THE ELEVATED RELEASE POINT (ERP) TO THE SAMPLE STATION LOCATIONS STATION DISTANCEa DIRECTIONa NUMBER (MILES) (DEGREES) CLASSIFICATIONb
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1 0.10 225 IND 2 0.75 225 IND 3 2.5 338 IND 4 3. 0 43 IND 5 3. 5 102 IND 6 3. 0 165 IND 7 2.5 230 IND 8 2.5 260 IND 9 7. 3 335 IND-10 10.0 160 IND 11 0.15 225 IND 12 0.10 360 CON 13 0.25 120 NA 14 0.50 140 P0 15 0.30 180 NA 16 0.75 202 NA 17 1.5 235 P0 18 0.80 270 NA 19 1.0 300 PO 20 0.96 315
- IND 21 0.60 '
46 PO 22 0.70 95 NA 23 1.9 80 P0 24 3.0 , 97 P0 25 3.8 105 P0 26 3.0 130 P0 27 3.0 143 NA 28 1.8 150 IND 29 3.0 170 NA 30 5.0 178 P0 31 2.8 222 NA 32 3.4 268 PO 33 2.8 302 PO 34 2.5 333 NA 35 2.0 350 IND and CON 36 > #: 335 PO 37 ... 330 NA 38 4.0 360 NA 39 2.8 25 P0 40 3.9 37 P0 41 8.4 11 NA 42 12.9 156 IND - 43 11.8 217 - NA 44 10.3 270 CON 45 4.0 325 NA 46 24.8 153 NA 47 25.8 154 IND 48 5.6 332 NA 49 11.4 222 NA 50 1.1 270 NA 6 i
STATION DISTANCEa DIRECTION" NUMBER (MILES) (DEGREES) CLASSIFICATIONb 51 4.2 125 NA
.- 52 7.4 79 NA 53 2.0 216 NA 54 5.2 320 NA
.- 55 1.8 270 NA 56 1.9 118 IND .
57 6.6 208 NA' 58 1.1 219 IND , 59 1.0 189 IND : 60 8.4 42 NA ; 61 3.5 326 IND , 62 1.5 225 NA 63 5.0 56 NA 64 2.3 99 NA 65 1.1 305 NA 66 4.5 200 IND 67 4.8 325 IND 68 3.4 270 NA , 69 3.5 31 NA > 70 3.5 36 NA 71 4.3 71 IND i 72 3.8 39 NA 73 10.0 35 NA 74 2.4 270 NA 75 9.0 180 NA 76 5.3 212 NA ' 77 2.2 223 NA
.. 78 8.2 74 NA 70 0.85 299 IND 80 0.75 284 'IND 81 0.80 265 IND ,
82 0.80 176- IND-83 4.4 189 IND l 84 4.4 297 IND ,
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L 85 3.1 3 IND-E 86 4.6 16 IND 87 1.75 20 IND 88 1.75 63 IND , 89 2.0 86 IND 90 2.25 134 IND l 91 6.9 54 IND i !- 92 10.5 90 NA i 93 1.25 189 NA 94 3.6 108 IND 95 7.3 216 IND 96 1.25 334 IND 97 10.6 250 NA 98 11.5 220 CON a Distance and direction are specified with respect to reactor elevated I release point. b Classification codes: IND = indicator; CON = control; PO = pre-operational sampling site; NA = not active 7
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1 I IV. DISCUSSION I A. Program Objectives and Data Interpretation . The objective of the monitoring program is to detect and assess the !' impact of possible releases to the environs of radionuclides from the oper. .- l ations of the Cooper Nuclear Station. This objective requires measurements l I of low levels of radioactivity equal to or lower then; pre-determined limits ' of detection. In addition the source of the environmental radiation must be l established. Sources of environmental radiation include: ' (1) Natural background radiation from cosmic rays (Be-7). l (2) Terrestrial, primordia 1' radionuclides from the environment ' (K-40, Ra-226. Th-228). ' (3) Fallout from atmospheric nuclear tests such as the September ! 1977 detonation by the Peoples' Republic of China and the atmo- ' spheric weapons test of October 16, ' 1980 (fission - products and fusion products). ' (4) Releases from nuclear power plants such as CNS (fission , products and neutron activation products). , (5) Fallout from the Chernobyl Nuclear Reactor Accident. ' A number of techniques are used to distinguish power plant effects from other sources. Radiation levels measured in the vicinity of an oper-ating power station are compared with preoperational measurements at the same ' locations. Measurements at indicator locations (nearby, downwind, or down. - : stream) are compared with measurements made at distant points such as
- stations of the nationwide Environmental . Radiation Ambient Monitoring System (ERAMS) operated by the U.S. Environmental Protection' Agency (EPA) or .
stations operated worldwide by the Environmental Measurements Laboratory (EML) (formerly called the Health and Safety Laboratory or HASL) of the U.S. Department of Energy. Also, results of the monitoring program are related to events known to cause elevated levels of radiation in the environment, e.g., atmospheric nuclear detonations or abnormal plant- releases. B. Atmospheric Nuclear Tests [ Three atmospheric nuclear detonations in the People's Republic of China influenced program results significantly in late 1976 and in 1977. Two of , these detonations occurred in late 1976 (September 26 and November 17) and one in late 1977 (September 17). As a consequence of these tests elevated activities of gross beta in air particulate filters and 1-131 in milk were observed throughout most of the United States. ; No atmospheric nuclear tests were conducted during 1979 thus no short- , lived fission products were detected in air particulate samples. Also no I-131 was detected from radiogases from any sources. On April 26, 1986 the fire and explosion of Chernobyl Reactor No. '. 4 in the Soviet Union resulted in the release of fission products to the atmosphere ' and worldwide f allout. Following the exolosion, elevated levels ' of gross beta activities in air particulates and 1-131 in charcoal filters ' t and milk samples were measured. Additionally, in 1986, Cs-137 and the ; t 10
short-lived isotopes I-131, . Ru-106 and Cs-134 were detected in broadleaf vegetation. Similar results occurred in other areas of the United States and the entire Ncrthern Hemisphere. 9 4 0 e t
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l. V. RADIOLOGICAL ENVIRONMENTAL' MONITORING PROGRAM TABLES Presented in' Table 3 are the radiological environmental monitoring - program summaries (REMPS) generated from the reports of analyses performed during 1989 for the NPPD sampling and analyses program. The REMPS tables l conform to the requirements of Table 1 in Regulatory Guide 4.8 (Reference 6). . The average activity level for all samples collected for the year for ' each sample type are summarized in this table. The mean, range and_ fraction of detections to total samples assayed are presented. The station location , and station number with the_ highest annual mean is also tabulated. 'If a control station is specified the comparable results of the control are listed. i From the REMPS table it is possible to determine the total number of ' each type of sample analyzed and the average activity of all samples from all stations of each nuclide. If there were no positive detections the maximum ' of the lowest levels of detection is listed. The station having the highest level of activity is_ specified. From this data it is possible to determine ! any high levels of activity and the source. The dose impact on the popula-tion can thus be evaluated. l
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RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM SUMMART- . PATHWAY- INCESTION COMPILATION - ANNUAL
SUMMARY
Nf8pASKA PU9 TIC PONER DISTRICT SAMPLE - N ILK - OTHER PRODUCEQS CDNTROL.- .' COOPER seUCLEAR STATION UNITS - PCIfLITER ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH HICHEST MEAN CONTROL LOCATION NON- REPORTINC PERIOD DETECTION NEAN I E-00 PIAN I E-00 NEAN 2 F-00 . ROUTINE-MEAN I E-00 RANCE STATION FRACTION RANGE RANCE FRACTION STATION DESCRIPTION FRACTION
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RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
PATHWAY . GAMMA EXPOSURE COMPILATION . ANNUAL'
SUMMARY
NEBRASKA PUBLIC POWER DISTRICT-SANPLE . ENVIRONMENTAL TLD - CONTROL - COOPER NUCLEAR STATION UNITS . mR ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH HIGHEST MEAN' CONTROL LOCATION NON- REPORTING PERIOD DETECTION MEAR X E.00 MEAN I E 00 MEAN X E-00 ROUTINE MEAN X E-00 RANGE STATION FRACTION. RANGE RANGE FRACTION STATION DESCRIPTION FRACTION TLD 127 2mR 0 01/04/89 01/03/90 (a) Total 69.7 mR 104.0 mR 70.8 Exposure / year 58.0 104.0 01 004/004 - 44 004/004 126/128 STATION 01 0.1 MI 225 DEG. INO _ STATION 44 - 10.25 MI. 270 DEG. CON.' 26.0 mR 17.7 Average 17.4 mR 20.2 - 31.0 16.6 19.9 - Exposure / I4.5.' 26.0 .01 004/004 44 004/004 quarter 031/032 STATION 01 - 0.1 MI 225 DEG. IND STATION 44 - 10.25 MI. 270 DEG. CON. (a) The TLDs for the first quarter were reported as lost .. Station 85. to Zm
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b VI. DISCUSSION, IMPACT ON THE ENVIRONMENT GRAPHS OF RESULTS FROM 1977 -- 1989 .
-AND STATISTICAL TABLES FOR- ,
EACH QUARTER . ,
. 1 4
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i i I i A ' and B.
. AIR PARTICULATE SAMPLES'- GROSS BETA AND GROSS' ALPHA 1-(See Tables A-1 -~A-4, B-1-- B-4)
.' STATIONS 01 to '10 1
Air _ particulates were collected' on membrane filters at ten locations * (01-10). The filters were changed weekly'~and analyzed ' for gross : beta; and - 1 gross alpha activities. - Quarterly 1 composites are analyzed: for gamma : emit- ' ting _ isotopes. The average gross beta activity of all' stations for each quarter of.1988 ; and 1989 is summarized below: ' 1988 First Quarter 0.025 pCi/Cu. M. - Second-Quarter 0.021 pCi/Cu..M. Third Quarter 0.021 pCi/Cu M.- Fourth Quarter 0.026 pCi/Cu, M. Average.1988 0.023 pCi/Cu. M. 1989 First Quarter 0.026 pCi/Cu. M. Second Quarter 0.020 pCi/Cu. M. .
' Third-Quarter- 0.020' pCi/Cu.'M. i Fourth-Quarter ~0.033 pCi/Cu,M. 1 Average'1989 0.025- pCi/Cu M.
The level of beta ' activity was at normal environmental; levelsr in 1989- f showing the natural seasonal -variations. There was a1 slight-- increase inc i the. level of gross, beta. activity during the fourth quarter as shown in Table 1 A-4. This increase in activity often occurs - and Lis' attributed to natural phenomena. The- gross alpha activity continued low and close to the limits of , detection. Gross alpha activity is probably due to the' alpha emitters
- found in soil and particulates drawn into the filters.
No effect attributable to the-Cooper Nuclear Station was observed in _the results of monitoring air particulates. u The air particulate filters listed below were not radioassayed for the reasons shown in the table. , l 4 . " COLLECTION l STATION FILTER PERIOD REASON NOT ASSAYED-l
~
09 AP 03/13-03/20 LSanple not received
. I I 29
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.A-and B. -AIR PARTICULATELSAMPLES - GROSS BETA AND GROSS' ALPHA
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(See Tables A A-4, B-l'- B-4)
. .' J STATIONS 01 to 10 Figure A1, Bli shows the ~ gross- beta. L gross alpha ' and Ce-144; activity -
iin the environs of CNS. The results for 1986.through 1989 areLon the second page of Figure A-1, ' B-1.' The- gross beta activity- in '1989 was-- similar :to
. previous years 'in' which there were no ' nuclear . atmospheric weapons- tests:
or nuclear accidents.- The gross; alphal activity : remained lowe and; near- the-normal detection level. Ce-144 was below the. level of detection.-
-Figure A-2 shows the gross . beta . activity in' air; samples 1through April' 1 1989 at Jefferson- City, Missouri as reported by the Environmental'. Radiation 1 Monitoring System'(ERAMS) of-the US Environmen'.a1 Protection Agency. No more --
recent data was available. E This data was:taken from Environmental Radiation !
-Data distributed by- the . Eastern: Environmental Radiation Facility, j Montgomery, Alabama. The < measurements' by ERAMS ' were madel after a waiting .]
' period which may? explain the somewhat lower results ,because of decay of the-isotopes having a shorter half-life. Measurements' of Ce-144 ~were .no longer 3 reported because the: activity has' approached the-limit.of-detection by ..
the analytical techniques now used. ; i 4 j j l 1 l
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' ALPHA AND SETA NONTDR.Y AVERASE - ALL LOCATIONS CE-144 GUARTERLY AVERASE ALL LOCATIONS 4
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1978 1977 1978 1979 1980 -1881- 1883 3333 3334 1883 AIR PARTICULATES
.SETA MONTHLY AVERASE - JEFyrERS?'1 CITY MISSOURI (ERAMS) EPA .
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' TABLE A-1 WEEKLY COLLECTIONS FIRST QUARTER 1989 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARTICULATE FILTERS pCi/Cu. M.
SAMPLE STATION MONTHLY SUtetARY MONTHLY
SUMMARY
MONTHLY
SUMMARY
FIRST QUARTER
SUMMARY
NUCLIDE NUMBER 01/03-01/30' 01/30-02/27 02/27-04/03 01/03-04/03 GROSS BETA 01 2.7 i 0.3 E-02 3.0 1 0.4 E-02 2.5 1 0.3 E-02 2.7 i 0.3 E-02 02 2.5 i 0.3 E-02 3.0 i 0.4 E-02 2.3 t 0.3 E-02 '2.6 i'O.3 E-02 03 2.7 i O.3 E-02 2.9 i 0.4 E-02 2.3 1 0.3 E-02' 2. 6 i O.3 E-02 04 3.0 1 0.4 E-02 3.1 1 0.4 E-02 2.3 1. O.3 E-02 2.8 1 0.4 E-02 05 2.6 i O.4 E-02. 2.7 i 0.4 E-02 2.2'i 0.3 E-02 2.5 i 0.4 E-02. 06 2.2 i O.3 E-02 2.6 i 0.3 E-02 2.0 i O.3 E-02 2.3 1 0.3 E to 07 u, 2.5 i 0.3 E-02 2.8 1 0.3 E-02 2.1 1 0.3 E-02 2.5 i 0.3 E-02 08 2.7 i 0.4 E-02 3.0 i O.3 E-02 2.4 1 0.3 E-02 2.7 i 0.3 E-02' 09 2.5 i 0.4'E-02 2.6 i 0.3 E-02 2.1 i 0.3 E-02* 2.4 i 0.3 E-02 10 2.5 i 0.3 E-02 2.7 i O.4 E-02 2.0 1 0.3 E-02 2.4 i 0.3 E-02 AVERAGE 01-10 2. 6 i 0.3 E-02 2.8 i 0.4 E-02 2.2 i 0.3 E-02 2.61 0.3 E-02 ALL STATIONS Y and s Grand li and s. Station 9 -- week 03/13-03/20 sample not received, , ~ . . _ , , w. ._4 . . .+..p. ~ - - ,:.,.,. -.- , -. . . . ~ . . . ~ , . . - . . . ,,-.
~
Tas&E A -2
.1 SfEEKLY COLLECTICIIS SEcoup QUARTER'1989, 'l NEBRASKA PUBLIC POWER DISTRICT ;j-COOPER NUCLEAR STATIOtt EXPOSURE PAT 1RGAY - AIRBORNE AIR PARTICUIATE FILTERS pCi/Cu. M.
SAleLE STATICII DIONTELY SUBSERY DI0erTRLY SUB8thRY SIONTELY SUBSERRY SECOIID QUARTER SUBEWUtY M DE IIUgeER 04/03-05/01 05/0]-05/29' -05/29-07/03 04/03-07/03 GROSS BETA 01 1.9 i 0.3 E-02 2'.2 1 0.3 E-02 2.1 i O.3 E-02 2.1 1 0.3 E-02 02 -2.2 1 0.3 E-02 2.1 1 0.3 E 2.1'i 0.3 E-02 2.1 1 0.3 E 03 1.9 i 0.3 E-02 2.1 i 0.3 E-02 1.8 i 0.3 E-02 1.9 i 0.3 E-02 04 2.1 1 0.3 E-02 1.9 i 0.3 E-02 1.9 1 0.3 E-02. 2.0 1 0.3 E-02 05 2.2 i 0.3 E-02 2.0 i 0.3 E-02 1.9 i 0.3 E-02 '2.0 i O.3 E-02 w 06 2.0 1 0.3 E-02 1.7 1 0.3 E-02 '1.9 1 0.3 E-02 1.9 1 0.3 E-02 cn 07 2.0 1 0.3 E-02 2.1 1 0.3 E-02 2.1 1-0.3 E-02 2.1 i 0.3 E-02 08 2.1 i 0.3 E-02 1 8 i 0.3 E-02 1.7 1 0.3 E-02 1.9 1 0.3 E-02 09 2.4 i 0.3 E-02 2.3 1 0.3 E-02 2.0 1 0.3 E-02 2.2 i O.3 E-02 10 - 1. 9 1 0. 3 E-02 1.8 1 0.3 E-02 1.8 1 0.3 E-02 1.8 i 0.3 E-02 AVERAGE 01-10 2.1 1 0.3 E-02. 2.0 1 0.3 E-02_ 1.9 1 0.3 E-02 2.0 i O.3 E-02; ALL STATICIIS I and a Grand Tc and o
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TABLE ' A-3 WEEKLY COLLECTIONS - THIRD QUARTER 1989 NEBRASRA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHNAY - AIRBORNE AIR PARTICUIATE FILTERS pCi/Cu. M. SAMPLE STATION S M TRLY SUDetkRY MONTHLY SUB9IARY MONTHLY SIMetARY hitrw mar 07/03-07/31 THIRD QUARTER SUIsthRY 08/28-10/02 07/31-08/28 07/03-10/G2 GROSS BETA 01 2.3 i 0.3 E-02 2.2 i 0.3 E-02 1.8 i O.3 E-02. 2.1 1 0.3 E 02 -2.1 1 0.3 E-02 2.5 1 0.3 E-02 2. 6 1 0.3 E-02 2.4 1 0.3 E-02 03 2.0 1 0.3 E-02 2.2 1 0.3 E-02 '1.9 i 0.3 E-02 2.0 1 0.3 E-02 04 2.0 1 0.3 E-02 2.1 1 0.3 E-02 1.8 i O.3 E-02~ ~2.0 i 0.3 E-02 05 2.0 1 0.3 E-02 2.0 1 0.3 E-02 1.7 1 0.3 E-02 1.9 i 0.3 E-02 g 06 2.0 i 0.3 E-02 2.1 1 0.3 E-02 1.9 1 0.3 E '2.0 1 0.3 E ~ 07 2.2 i 0.3 E-02 2.3 i 0.3 E-02 1.8 i 0.3 E-02 2.1 1 0.3 E-02 08 1.9 1 0.3 E-02 2.1 1 0.3 E-02 1.7 i 0.3 E-02 1.9 i 0.3 E-02 09 2.2 1 0.3 E-02 2.2 1 0.3 E-02 2.0 1 0.3 E-02 2.1 1 0.3 E-02 10 1.8 i 0.3 E-02 1.9 i 0.3 E-02 1.7 1 0.3 E-02 1.8 i 0.3 E-02 AVERAGE 01-10 2.1-1 0.3 E-02 2.2 i O.3 E-02 ALL STATIONS - 1.9 i O.3 E-02 2.0 1 0.3 E-02 I and s-Grand Tc and s
= _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ -- . _ _ _ _ _ __ - _ - _ _ _ _ _ _ _ _ _ _ _ _ _ -- . - _ _ _ _ . _ . _ - , = . _ _ . _ _ - _ _ . - . - _ _ - , . , . . . . - . . . . _ ~ .
TASIA A-4 WEEKLY COLLECTIONS FOURTH QUARTER 1989 NEBRASNA PUBLIC POWER DISTRICT COOPER NUCIKAR STATION EXPOSURE PAT 8MAY - AIRBORNE" AIR PARTICOIATE FILTERS pC1/Cu. M. SAMPLE STATION MONTELY SUDOWLRY. MONTHLY SUISOLRY MONTRLY SUIGEhRY FOURTH QUARTER SUISIhRY. NUCLIDE ternmwR 10/02-10/30 10/30-12/04 12/04-01/02 10/02-01/02 GROSS BETA 01 3.1 1 0.3 E-02 2.9 1 0.3 E 3.7 1 0.4 E 3.2 1 0.8 E-02 02 3.3 i 0.4 E-02 3.2 1 0.4 E-02 4.1 1 0.4 E-02 3.5 1 0.4 E-02 03 2.9 1 0.3 E-02 2.8 i 0.4 E-02 3.7 i 0.4 E-02 3.1 1 0.4 E-02 04 2.8 1 0.3 E-02 3.4 i 0.4 E-02 4.0 1 0.4 E-02f 3.4 1 0.4 E-02 05 3.0 1 0.3 E-02 3.0 1 0.4 E-02 3. 9 1 0.4 E 3.3 1 0.4 E-02 06 3.2 1 0.4 E-02 3.3 1 0.4 E-02 0' 4.0 1 0.4 E 3.5 1 0.4 E-02 07 2.8 i 0.3 E-02 2.7 i 0.3 E-02 4.2 1 0.4 E-02 3.2 1 0.3 E-02 08 3.1 1 0.4 E-02. .3.3 1 0.4 E-02 4.0 i 0.4 E-02 3.5 1 0.4 E-02 09 3.1 i 0.3 E-02 3.1 i O.4 E-02 3.9 i O.4 E-02 3.4 1 0.4 E-02 10 2.9 i 0.4 E-02 2.8 i 0.4 E-02 3.9 i 0.4 E-02 3.2 1 0.4 E-02 AVERAGE 01-10 3.0 1 0.3 E-02 3.1 i 0.4 E-02 3.9'i.0.4 E-62 ALL STATIOIIS' 3.3 1 0.4 E-02 I and s Grand x and s-
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TABLE B-1 WEEKLY COLLECTIONS FIRST QUARTER 1989 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARTICULATE FILTERS pCL/Cu. N. SAMPLE STATION MONTHLY SUP9fARY MONTHLY SUtetARY MONTHLY
SUMMARY
FIRST QUARTER SUlWULPY NUCLIDE NUMBER 01/03-01/30 01/30-02/27 02/27-04/03 -01/03-04/03 GROSS ALPHA 01 2. 6 i 1. 6 E-03 2.6 i 1.5 E-03. 3.7 1 1.7 E-03 3.2 i 1.6 E-03 02 3.2 i 1.7 E-03 2.5 i 1.5 E-03 3.9 i 1.7 E-03 3.2 1 1.6 E 03 3.3 i 1.6 E-03 2.4 i 1.5 E-03 2. 9 1 1.5. E-03 2.9 i 1.$ E-03 04 3.0 1 1.6 E-03 3.2 i 1.6 E-03 2.3 i 1.4 E-03 2.8 1 1.6 E-03
- 05' 3.0 i 1.6'E-03 '2.4 1 1.5 E-03 3.0 1 1.5 E-03 2.8 1 1.5 E-03 06 2.7 i 1.5 E-03 2.5 i 1.5 E-03 3.1 1 1.6 E-03 2.8 i 1.5 E-03~ $ 07 3.1 1 1.7 E-03 2.9 i 1. 6 E-03 2.3 i.1.4 E-03 2.8 i 1.6 E-03 08 2.5 i 1.5 E-03 2.1 1 1.4 E-03 3.61 1.7 E-03 2.7 i 1.5 E-03 09 2.7 i 1.6 E-03 2.3 i 1.5 E-03 1. 9 i 1.4 E-03* ' 2.3 i 1.5 E-03 10 2.3 i 1.5 E-03 2.4 1 1.5 E-03 -2.4 i 1.5 E-03 2.4 i 1.5 E-03 AVERAGE 01-10 2. 9 i 1. 6' E-03 2.5 i 1.5 E-03 2.9 i 1.5 E-03 2.8 i 1.5 E-03 ALL STATIONS I and s Grand ~i and s
- Station 9 -- week 03/13-03/20 sample not received.
A'
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TABIA 3-2 NEEKLY COLLECTIONS SECOND QUARTER 1989 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATNMAY - AIRBORNE' AIR PARTICDIATE FILTERS GC1/Cu. N. SAleLE STATION IIDNTRLY SUIsthRY N00ffBLY SUIstMtY NONTHLY SUBSeWtY SECOND QUARTER SUIsmRY - NUCLIDE NUISER 04/03-05/01 05/01-05/29 05/29-07/03 -04/03-07/03 GROSS ALPHA 01 2.9 i 1.5 E-03 3.0 i 1.5 E-03 '2.7 1 1.5 E-03 2.91 1.5 E-03 -1 02 3.4 i 1.6 E-03 2.9 i 1.5 E-03 2.8 1 1.5 E-03 3.0 1 1.5 E-03 03 2.4 i 1.4 E-03 2.3 1 1.5 E 2.2 i 1.4 E-03 2.3 1 1.4 E-03 04 3.1 1 1.6 E-03 3.0 1 1.6 E-03 3.4 i 1.6 E-03 3.2 i 1.6 E-03 05 2.8 i 1.5 E-03 2.1 1 1.4 E-03 2.4 1 1.4 E-03 2.4 i 1.4 E-03 $ 06 3.3 i 1.6 E-03 3.2 i 1.6 E-03 2.8 1 1.4 E-03 3.1 1 1.5 E-03 07 3.2 i 1.6 E-03 2.5 i 1.5 E-03 2.8 1 1.5 E-03 2.8 i 1.5 E-03 08 2.6 i 1.4 E-03 2.4 i 1.4 E-03 2.8 1 1.5 E-03 2.6 i 1.5 E 09 3.1 1 1.6 E-03 3.2 i 1.6 E-03 2.6 i 1.4 E-03 3.0 1 1.5 E-03
. 30 3.4 1 1.6 E-03 2.4 i 1.5 E-03 2.4 i 1.3 E-03 2.7 i 1.5 E-C3
~
AVERAGE 01-10 3.0 i 1.5 E-03 2.7.i 1.5 E-03 2.7 i 1.5 E-03 ALL STATI0 TIS , 2.8 i 1.5 E-03 I and a Grand ~x and s w.
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- 4 4 TABLE B-3 tfEEKLY COLIECTIONS - THIRD QUARTER 1989 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHNAY - AIRBORNE AIR PARTICUIATE FILTERS
.pC1/Cu. M.
SAMPLE STATION 900NTELY SUISEARY MONTHLY SUDDEARY MONTHLY SUPERRY THIRD QUARTER StNetRRY NUCLIDE NUMBER 07/03-07/3I 07/31-08/28 08/28-10/02 07/03-10/02 GROSS ALPHA 01 3.2 1 1.6 E-03 2.2 1 1.4 E-03 2.4 1 1.4 E-03 2.6 i 1.4 E-03 02 3.8 1 1.7 E-03 2.9 1 1.6 E-03 2.8 i 1.7 E-03 3.2 i 1.7 E-03 03 3.0 i 1.5 E-03 2.9 i 1.6 E-03 2.4 i'1.4 E-03 2.8 1 1.5 E-03 04 3.4 i 1.6 E-03 2.8 1 1.5 E-03 1.6 i 1.2 E-03 2.6 1 1.4 E-03 05 3.9 1 1.7 E-03 2.3 1 1.5 E-03 2. 6 1 1. 4 E-03 2.9 1 1. 6 E-03 3 06 3.9 1 1.7 E-03 2.2 1 1.4 E-03 2.6 i 1.4 E-03 2.9 1 1.5 E-03 07 3.7 i 1.7 E-03 3.0 i 1.6 E-03 2.2.i 1.4 E-03 3.0 1 1.6 E-03 08 3.1 i 1.6 E-03 .2.5 i 1.5 E-03 2.0 i 1.3 E-03 2.5 i 1.5 E-03 09 3.7 i 1.6 E-03 2.7 1 1.5 E-03 2.6 i 1.4 E-03 3.0 1 1.5 E-03 10 3.1 i 1.6 E-03 2.8 1 1.6 E-03 2.0 i 1.3 E-03 2.6 1 1.5 E-03 AVERAGE 01-10 3.5 i 1. 6 E-03 2.6 1 1.5 E-03 2.3 i 1.4 E-03 2.8 1 1.5 E-03 ALL STATIcetS I and s - Grand x and a
- - '= " " --~- - - ~ ' - ' - " ' - " = = " " ' ~ ~ " ~ ~ ~ ~ ~ ~ ' - " ~ ' ' ~ ~ " ' ~ ~ ~ ~
_ .____ ._ .~.....-- - --+---------
A 4 TABLE B-4 WEEKLY COLLECTIONS FOURTH QUARTER 1989, L NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHNAY'- AIRBORNE AIR PARTICULATE FILTERS pCi/Cu. M. SAMPLE . STATION MONTNLY SUBetARY- ' MONTHLY SUsetARY MONTHLY SUBetARY uuCLIDE museER 10/02-10/30 FOURTH QUARTER SUBSEARY 10/30-12/04 12/04-01/02 10/02-01/02 GROSS ALPHA 01 4.7 i 1.9 E-03 3.7 i 1.6 E-03 ~
~
4.9 i 1.9 E-03. 4.4 i 1.8 E-03 02 3.5 i 1.7 E-03 4.0 i 1.7 E-03 4.7 1 1.9 E-03 '
-4.1 i 1.8 E-03 03 3.8 i 1.8 E-03 2.8 i 1.5 E-03 4.2 i 1.8 E 3.6 i 1.7 E-03 04 3.4 i 1.6 E-03 3.5 i 1.6 E-03 5.1 1 2.0 E-03. 4.0 1 1.7 E-03 05 3. 9 i 1.8 E-03 3.6 i 1.6 E-03 4.6 i 1.8 E-03 3.8 1 1.7 E-03 Ja 06 2. 9 1.1. 6 E-03 to 3.6 i 1.6 E-03 5.3 i 1.9 E-03 3.91 1.7 E-03 07 3.8 i 1.7 E-03 3.4 1 1.6 E-03 5.0 i 2.0 E-03 4.1 1 1.8 E-03.
08 3.9 i 1.0 F-03 3.3 i 0.4 E-02 4.2 1 1.8 E-03 3.8 i 1.8 E-03 09 3.0 1 1.6 E-03 3.9 i '2. 8 E-03 5.3 1 2.0 E-03 -4.1 1 2.1 E 10 3.7 i 1~.8 E-03 3.6 i 1.6 E-03 = 4.4 i 1.9 E-03 3.9 i 1.8 E-03 AVERAGE 01-10 3.7 i 1.7 E-03' 3.5 i 1.7 E-03 4.7 i 1.9 E-03 ALL STATIONS 4.0 i 1.8 E-03 I and s Grand x and s
, 4 8 '
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.. C. AIR RADIOIODINE - CHARCOAL FILTERS (See Tables C-1 through C-4)
STATIONS 01 to 10 ,
' Charcoal filters used in seriet with air particulatezfilters' were col-1ected weekly ~dc4% 1989 at stations 01. through 10 and monitored for radio- :
- iodine..
= Tables C-1 through C-4 show the average monthly and quarterly results for each station and-the average of all:10 stations. Airborne I-131 1evels were below the limits of. detection-for all of 1989.
t Figure- C-1 plots the 'results- of, I-131 as monitored in charcoal . filters - . and summarized- monthly in 1989 compared with previous -years. Results for- ' 1989. were below the - norm 1 limits of detection -indicating- no ' atmospheric-effect from the operations of CNS.
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f TABLE C-1 WEEKLY COLLECTIONS FIRST QUARTER 1989 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE CHARCOAL FILTERS pC1/Cu. M.- SAMPLE STATION MONTHLY SUttfARY MONTHLY SUD9fARY. MONTHLY SUttfARY QUARTERLY SUl#1ARY DET./ NUCLIDE NUMBER 01/03-01/30 01/30-02/27 02/27-04/03 01/03-04/03 TOTAL RANGE IODINE-131 01- L.T. 5. E-02 L.T. 4. E-02 L.T.' 5. E-02 ' L.T. 5. E-02 0/13 (L.T. 3.-L.T. 5. ) E-02 02 L.T. 5 E-02 L.T. 4. E-02 L.T. 5. E-02 L.T. 5 'E-02 0/13 ( L.T .3. -L.T. 5. ) E-02 03 L.T. 5. E-02 .L.T. 4. E-02' L.T. 4. E-02' L.T. '5. E-02 0/13 (L.T.3.-L.T.S.)E-02= 04 L.T. ' 5. E-02 L.T. 4. 'E-02 L.T. 5. E-02 L.T. 5. E-02 > 0/13 : (L.T.3.-L.T. S.) E-02 05 L.T. ' 3. E-02 .L.T. 3. E-02 L.T. 3. .E-02 - L.T. 3. .E-02 0/13 (L.T.2.-L.T.3.)E-02 m 06 L.T.- 4. 'E-02 L.T. 3. E-02' L.T. 4. E-02 'L.T. 4. E-02 ~ 0/13 (L.T. 2. -lit. 4. ) E-02 .
~
07 L.T. 4. E-02 L.T. 3. E-02 L.T. 4. E-02 L.T.z '4. E-02: 0/13 (L.T.3.-L.T.4.)E-02 08 L.T. -4. E-02 L.T. 3 . 12 - 0 2 L.T. 4. E-02 L.T. 4. E-02 0/13 (L.T . 3. -L.T. 4. ) E-02 09 L.T. 4. E-02 L.T. 3. E-02 L.T 4. E L.T. 4. E-02 0/13 (L.T.2.-L.T.4.)E-02, 10 L.T. 3. E-02 L'.T. 2. ' E-02 L.T. 2. 'E-02. L.T. 3. E-02 0/13 (L.T 2.-L.T.3.l E-02 01-10 ' L. T.' 5. E-02 L.T. 4. E-02'- L.T. 5. E-02 L.T. '5. ;E-02 DET./ TOTAL . 0/40 0/40 . 0/50' 0/130 0/130 -
' RANGE (L.T.3.-L.T.S.)E-02 (L.T. 2.-L.T. 4. ) E-02 (L.T.2.-L.T. 5. ) E-02 (L.T.3.-L.T.S.)E-02 -
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e . .e .; TABI2 C-2 WEEKLY COLLECTIONS SECOND QUARTER 1989 NEBRASKA PUBLIC POWER DISTRICT. COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE CHARCOAL FILTERS pC1/Cu. M. SAMPLE STATION MONTHLY SUtefARY MONTHLY . SUP91ARY MONTRLY SUD9fARY QUARTERLY SUP9fARY DET./ NUCLIDE NUMBER 04/03-05/01 05/01-05/29 05/29-07/03 04/03-07/03 TOTAL PINGE IODINE-131 01 L.T. 4. E-02 L.T. 5. E-02 L.T. 4. E-02 -L.T. 5. E-02 0/13 (L.T.2.-L.T.5.)E-02 02 L.T. 4 E-02 L.T. 5. E-02 L.T. 5. E-02 ,L.T. 5 E-02 0/13 (L.T.2 -L.T.5.)E-02 03 L.T. 5. E-02 L.T. 5. E-02 L.T. 5. E L.T. 5. E-02 0/13 (L.T.2.-L.T. 5. ) E-02 04 L.T. .5. E-02 L.T. 5. 'E-02 L.T. 4. E-02 L.T. 5. E-02 0/13 (L.T.2.-L.T.5.)E-02 05 'L.T. ' 3. E-02 L.T. 3. E-02 .L.T. 3. E-02 L.T. 3. E-02 O/13 (L.T 2.-L.T.3. ) E-02..; y . . . 06 L.T. 5. E-02 L.T. 3. E-02 L.T. 4. E-02 L.T. 5. E-02 0/13 (L.T.3.-L.T.5.)E-02 07 L.T. 5. E-92 L.T.. 3. E-02 L.T. 4. 'E-02 -L.T. 5. E-02 0/13 ( L.T. 3. -L.T.5. ) E-02 08 L.T. 5. E-02 L.T. 3. E-02 L.T. 4. E-02 L.T. 52 E-02. 0/13 (L.T. 2.-L.T.S. ) E-02 09 L.T. 5. F-02 L.T. 3. E-02 L.T. 4. E-02 L.T. ' 5. E-02 0/13 (L.T.2. -L.T. 5. ) E 10 L.T. 3. E-02 L.T. 2. .E-02 L.T. 3. E-02 L.T. 3. E-02 0/13 (L.T.2.-L.T.3.)E-02 01-10. L.T. 5. E-02 L.T. 5. E-02 L.T. - 5. E-02 L.T. 5. E-02 - DET./ TOTAL 0/40 0/40 0/50 0/130 0/130 - RANGE' (L.T. 3.-L.T. S. ) E-02 (L.T. 2. -L.T. 5; ) E-02 (L.T. 3.-L.T.S. ) E-02 : . (L.T.3.-L.T.S. ) E (L.T.2.-L.T. S . ) E-02 e iU. - - . , . . . . . .
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a TABLE C-4 EEKLY COLIECTIONS FOURTH QUARTER 1989 NE8RASKA PUBLIC PONER DISTRICT COOPER NUCIZAR STATION EXPOSURE PATMIRY - AIRB004fE CBARCOAL FILTERS pC1/Cu. II. SAsrIK STATICII IIDIrrRLY SENGERY 800errNLY SUDOWUtY NONTELY SUBSERY QUARTERLY SUBORRY DET./ NUCLIDE NtamER 10/02-10/30 10/30-12/04 12/04-0I/02 10/02-01/02 TOTAL Ragecg IODINE-131 01 L.T. 5. E-02 L.T. . 4. E-02 L.T. 4. E-02 L.T. 5. E-02 0/13 (L.T. 4.-L.T.5. ) E-02 02 L.T. 8 E-02 L.T. 4. E-02 L.T. 4. E-02 L.T. 8 E 0/13 ( L.T. 4. -L.T. 8. ) E-02 03 L.T. 5. E-02 L.T. 4. E-02 L.T. 4. E-02 L.T. 5. E-02 0/13 ( L.T. 4. -L.T. 5. ) E-02 04 L.T. 5. E-02 L.T. 4. E-02 L.T. 4. E-02 L.T. 5. E-02 0/13 (L.T. 4. -L.T. 5. ) E-02 05 L.T. 3. E-02 L.T. 3. E-02 L.T. 4. E-02 L.T. 4. E-02 0/13 (L.T. 3.-L.T.5. ) E-02 m
- 06 E-02 E-02 E-02 E-02 0/13 L.T. 4. L.T. 5. L.T. 5. L.T. 5. ( L.T. 4. -L.T. 5. ) E-02 1 07 L.T. 4. E-02 L.T. 5. E-02 L.T. 5. E-02 L.T. 5. E-02 0/13 (L.T.4.-L.T.5.)E-02 08 L.T. 4. E-02 L.T. 5. E-02 L.T. 5. E-02 L.T. 5. E-02 0/13 ( L.T. 4. -L.T. 5. ) E-02 09 L.T.. 4. E-02 L.T. 5. E-02 L.T. 5. E-02 L.T. 5. E-02 0/13 (L.T. 4.-L.T.5. ) E-02 10 L.T. 3. E-02 L.T. 4. E-02 L.T. 3. E-02 L.T. 4. .E-02 0/13 ( L.T. 3. -L.T. 4. ) E-02 01-10 L.T. 8. E-02 L.T. 5. E-02 L.T. 5. E-02 L.T. 8. E-02 0/130 DET./ TOTAL 0/40 0/50 0/40 0/130 RAleGE (L.T.3.-L.T.8.)E-02 (L.T.3.-L.T.5.)E-02 (L.T.3.-L.T. 5. ) E-02 (L.T. 4.-L.T.5. ) E-02 -
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- 0. COMPOSITES OF AIR PARTICULATE FILTERS - GAMMA *
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(See Tables 0-1 and D-2)
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STATIONS 01 to 10 i Air Particulate Filters, which were collected weekly, were composited for each station for a quarterly gamma spectral analysis during the four I quarters of 1989. l Bery111um-7, a naturally occurring cosmogenic nuclide, was detected in 40 of 40 samples at a level of 0.104 pCi per cubic meter which is similar ; to the levels of past years. Potassium-40, also'a naturally occurring ; nuclide, was detected in one of 40 samples at a level near, the normal level j of detection. Figure D-1 graphs the gross beta, gross alpha and Ce 144 activity as j measured on air particulate filters collected weekly at CNS. (This is the' l same as Figure A-1, B-1). The plot illustrates that there were no detections t of Ce-144 above the normal level of detection as measured by the quarterly ; gamma scan of senples from CNS. i
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Figure 0-2 shows that measurements of Ce-144' are no longer reported by -l the Environmental Measurements Laboratory of the. U S Department of Energy because the artificial nuclides such as Ce-144, have reached the . limits of . detection by the analytical techniques now used. ~ t l l e 50
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Tassa D-1 1989 QUARTERLY REPORT NEBitASKA PUBLIC FOMER DISTRICT COOPER NUCIEAR STATION EXPOSURE FATINeRY - AIRBORNE C00eOSITE OF NEEKLY AIR FARTICUIATE FILTERS pC1/Cu. N. ! . SAprIE STATION FIRST QUARTER S N QUARTER WUCLIDE NUIasm THIRD QUARTER FOURTM QUAJtTER 01/03-04/03 04/03-07/03 07/03-10/02 10/02-01/02 BE-7 01-10 semenistd dev. 1.01 1 0.59E-01 1.30io.14E-01 9.80il.42E-02 8. 70il .18E-02 det./ total 10/10 10/10 10/10 range (0.87-1.1)E-01 10/10 (1.20-1.38)E-01 (0. 85-1. 09) E-01 (6.82-10.2)E-02 N-40 01-10 femenistd.dev. 8.84 i 4.02E-03 L.T. 3. E-02 L.T. 2. E-02 2.5910.88E-02 det./ total 1/10 0/10 range - 0/10 1/10 m I-131 01-10 penomistd.dev. L.T. 2. E-01
* (by gamme L.T. 5. E-01 L.T. 7 E-01 L.T. 3. E-01 det./ total 0/10 0/10 0/10 0/10 spectroscopy) range - -
Cs-134 01-10 temenistd.dev. L.T. 6. E-04 L.T. 9. E-04 L.T. 8. E-04 L.T. 8. E-04 det./ total 0/10 0/16 0/10 0/10 range - - Co-137 01-10 steemistd.dev. . L.T. 5. E-04 L.T. 8. E-04 det./ total 0/10 L.T. 7. E-04 L.T. 7. E-04 0/10 0/10 range - 0/10 Ra-226 01-10 temenistd.dev. L.T. 9. - E-03 L.T. 1. .E-02 L.T. 1. E-02 L.T. 7. E-02 det./ total 0/10 0/10 range - 0/10 0/10 Th-228 01-10 tenanistd.dev. L.T. 1. E-03 L.T. *
- 1. E-03 L.T. 1. E-03 L.T. 2. E-03 det./ total. 0/10 0/10 range -
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- TaaLE D-2 1989 QUARTERLY REPORT NEBPASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIPEOPRE COMPOSITE OF WEEKLY AIR PARTICUIATE FILTERS - PCI/CU.M.
SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH CUARTER NUCLIDE NUMBER 01/03-04/03 04/03-07/03 07/03-10/02 10/02-01/02 BE-7 1-10 1.0110.59 E-01 (10/10) 1.3010.14 E-01 (10/10) 9.80il.42E-02 (10/10) 8.7011.18E-02 (10/10) K-40 1-10 8.8414.02 E-03 (1/10) L.T. 3. E-02 (0/10) L.T. 2. E-02 (0/10) 2.59fo.88E-02 (1/10) Mn-54 1-10 L.T. 6. E-04 (0/10) L.T. 9. E-04 (0/10) L.T. 7. E-04 (0/10) L.T. 8. E-04 (0/10) Co-58 1-10 L.T. 9. E-04 (0/10) L.T. 1. E-03 (0/10) L.T. 1. E-03-(0/10) L.T. . 1. E-03 (0/10) Fe-59 1-10 L.T. 3. E-03 (0/10) L.T. 5. E-03 (0/10) L.T. 4. E-03 (0/10)' L.T. 5. E-03 (0/10)- m Co-60 1-10 L.T. 8. E-04 (0/10) L.T. 1. E-03 (0/10) L.T. 8. E-04 (0/10) L.T. 8. E-04 (0/10)
^m In-65 1-10 L.T. 1. E-03 (0/10) L.T. 2. E-03 (0/10) L.T. 2. E-03 (0/10) L.T. 2. E-03 (0/10)
Zr-95 1-10 L.T. 9. E-04 (0/10) L.T. 2. E-03 (0/10) L.T. 1. E-03 (0/10)- L.T. '2.. E-03 (0/10) Ru-103 1 L.T. -1. E-03 (0/10) L.T. 3. E-03 (0/10) .L.T. 2. E-03 (0/10) L.T. 2. E-03 (0/10) Ru-106 1-10 :L.T. 5. E-03 (0/10) L.T. 8. E-03 (0/10) L.T. 6. E-03 (0/10) L.T. 7. E-03 (0/10) I-131 1-10 L.T. 2. E-01 (0/10) L.T. 5. E-01-(0/10) L.T. 7. E-01 (0/10) L.T. 3. E-01 (0/10) Cs-134 1-10 L.T. 6. E-04 (0/10) L.T. 9. E-04 (0/10) L.T. 8.- E-04 (0/10) L.T. 8. E-04 (0/10) Cs-137 1-10 L.T. 5. E-04 (0/10) L.T. 8. E-04 (0/10) L.T. 7. E-04 (0/10) L. T .' 7. E-04 (0/10) Ba-140 1-10 L.T. 3. E-02 (0/10) L.T. 6. E-02 (0/10) L.T. 7. E-02 (0/10) L.T. 3. E-02 (0/10) Co-141 1-10 L.T. 3. E-03 (0/10) L.T. 4. E-03 (0/10) L.T. 4. E-03 (0/10) L.T. 7. E-03 (0/10) Co-144 1-10 L.T. .3. E-03 (0/10) L.T. 4. E-03 (0/10) L.T. 4. E-03 (0/10) ~ L.T. 9. E-03 (0/10) Ra-226 1-10 L.T. 9. E-03 (0/~0) L.T. 1. E-02 (0/10) L.T. 1. E-02 (0/10) L.T. 2.. E-02 (0/10) Th-228 1-10 L.T. 1. E-03 (0/10) L.T. 1. E-03 (0/10) L.T. 1. E-03 (0/10) L . T .' 2. E-03 (0/10)
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. E. FISH (See Tables E-1. E-2) y STATIONS 28, 35 !
Fish samples were collected during the summer and fall at the above ! stations and analyzed for gross beta, Sr-89, Sr-90 and gamma emitting isotopes. The . previous years. gross beta andwas Strontium-90 Sr-90 activities detectad were in nine of similar to the levels ten samples-at of a level of 0.009 pC1/ gram,- wet, which is below the normal level of detection. There ; were no detections of Sr-89. Naturally occurring K-40 was detected in all , samples at an average level of 2.74 pCi/gm, wet. : There was. one detection of Cs-137. at a level of 0.008 pCi' per gram, wet, at Station 28,1.8 miles,150 degrees. This is below the normal detection level. 2 Plotted in Figure E-1 are the radionuclides gross beta, K-40, Sr-90 and
- Cs-137 monitored -in fish samples which show no appreciable change from 1977 through 1989. The plot of the nuclides shows that most of the gross beta activity is due to the terrestrial nuclide K-40.
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Tassa 5-1 1989 QUARTERLY PKPORT leEBRASRA PUBLIC POWER DISTRICT COOPER NUCIAAR STATIcet EXPOSURE PATutmY - IIIGESTIces FISM - PCI/ Gee,IEET SAffLE STATI0It FIRST QUARTER SEconD QUARTER WUCLIDE NUseER TMIRD QUARTER FOUstTN QUARTER 06/18 10/I6 Groes tota 28, 35 genemistd. der. 4.1 10.1 E 00 det./ total 5.2 i O.2 E 00 5/5 5/5 range (3.5-5.0)E 00 (4.1-5.7)E 00 l 3r-89 28, 35 anna +=td.dev. L.T. 1. E-02 det./ total 0/5 L.T. 1. E-02 range - 0/5 sr-90 28, 35 steemistd. des. 6.6 i 1.8 E-03 det./ total 5/5 1.0 1 0.30E range 5/5 (4.0-7.8) E-03 - K-40 28, 35 W estd. der. 2.6510.27E 00 det./ total 5/5 2.8410.28E 00 m range 5/5 o (2.30-3.13)E 00 (2.64-3.13)E 00 co-60 28, 35 8enemistd.dev. L.T. '7. E-03 L.T. 1. E-02 det./ total 0/5 range - 0/5 I-131 ' 28, 35 BImentetd.dev. L.T. 6. E-02 det./ total L.T. 1. E-01 0/5 0/5 range - Cs-134 28, 35 semanistd.dev. - L.T. 6. E-03 L.T. 9. E-03 det./ total ~ 0/5 range -
- 0/5 Cs-137 28, 35 Demonistd.dev. 7.5813.89E-03
-det./ total 1/5 L.T. 1. E-02 range -
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TAa&B O-2 1989 QUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER WUCIKAR STATION EXPOSURE FATHIIRY - INGESTION FISH - PCI/GM, WET SAfeLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH QUARTER NUCLIDE NUpeER 04/18 10/16 BE-7 28, 35 L.T. 7. E-02 (1/5) L.T. 1. E-01 (0/5) K-40 28, 35 2.6510.27 2 00 (5/5) 2.8410.28 E 00 (5/5) sen-54 28, 35 L.T. 6. E-03 (1/5) L.T. 9. E-03 (0/5) Co-58 28, 35 L.T. 7. E-03 (1/5) L.T. 1. E-02 (0/5) Fe-59 28, 35 L.T. 2. E-02 (1/5) L.T. 3. E-02 (0/5) Co-60 28, 35 L.T. 7. E-03 (1/5) L.T. 1. E-02 (0/5) m Zn-65 28, 35 L.T. 1. E-02 (1/5) L.T. 2. E-02 (0/5) Er-95 28, 35 L.T. 7. E-03 (1/5) L.T. 1. E-02 (0/5) Re-103 28, 35 L.T. 9. E< 03 (1/5) L.T. 1. E-02 (0/5) Re-106 28, 35 L.T. 5. E-02 (1/5) L.T. 8. E-02 (0/5) t-131- 28, 35 L.T. 6. E-02 (1/5) L.T. 1. E-01 (0/5) Cs-134 28, 35 L.T. 6. E-03 (1/5) L.T. 9. E-03 (0/5) Cs-137 28, 35 7.5813.88 E-03 (1/5) L.T. 1. E-02 (0/5) Be-140 28, 35 L.T. 3. E-02 (0/5) L.T. 4. E-02 (0/5) Co-141 28, 35 L.T. 2. E-02 (0/5) L.T. 3. E-02 (0/5) Co-144 28, 35 L.T. 5. E-02 (0/5) L.T. 8. E-02 (0/5) Ra-226 28, 35 L.T. 1. E-01 (0/5) L.T. 2. E-01 (0/5) Th-228 - 28, 35 L.T. 1. E-02 (0/5) L.T. 2. E-02 (0/5)
i i F. MILK (See Tables F-1. F-2) . STATION 61 (NEAREST PRODUCER)
. Milk samples from the nearest producer Station 61, 3.5 miles, 326 degrees from the elevated release point of CNS were collected once every 15 days in peak pasture season and once every 31 days the rest of the year. The monthly samples collected January through May and October through December t were analyzed for I-131 by chemical separation. for elemental calcium and strontium 89 and 90.- In addition they were analyzed for gamma.- emitting - .,
isotopes The samples collected ! every 15.days on aduring high resolution peak pasturegamma seasonspectrometer. were analyzed upon receipt for I-131 - and gamma emitting isotopes. A monthly composite was prepared and analyzed. - as described above. There were no detections of I-131 in the twenty two samples analyzed by chemical separation. There were no detections of Sr-89 in the samples . analyzed. Strontium-90 was detected at an average level of 1.4 pCi/ liter, ! which is a normal environmental level. Elemental calcium was found at an ' average level of 2.1 mg/ liter. Potassium-40, a naturally occurring. isotope, ; was detected at an average level of 1320 pCi/ liter. Cesium-137 was not detected in any of the samples analyzed. There was - no indication of an effect on the milk of the producer nearest the plant from
- the operations of CNS.-
Shown in Figure F-1 and F-2 -are the plots of radionuclides monitored ' i from 1977 through 1989 in milk samples from producers nearest the reactor. The levels of K-40, elemental calcium and Sr-90 remained stable. There were no detections of I-131 Sr-89 or Cs-137. This indicates no effect - l on milk sanples from the operations of CNS. l' : r 6 4 t. l i 62 L
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i s o . . . . TRSES F-1 1999 QUMtTERLY REPORT WEBRASRA PUBLIC POWER DISTRICT COOPER WUCI2AR STATIost EXPOSURE PATWIRY - INGESTION WIIJC - NEAREST PRODUCER - PCI/ LITER SAMI2 STATION FIRST QUARTER SECOND QUARTER WDCLIDE EtanER TNIRD QUMtTER FOURTN QUMtTER 01/03-03/06 04/04-06/19 07/03-09/18 10/09-01/02 SR-89 61 neantetd. der. L.T. 2. E 00 L.T. 2. E 00 L.T. 2. E 00 L.T. 2. E 00 det./ total 0/4 0/4 0/6 range - - 0/4
.SR-90 61 ma===+std.dow. 1.4 1 0.5 E 00 1.2 1 0.5 E 00 1.0 1 0.5 E 00 1.9 i 0.8 E 00 det./ total 4/4 3/4 6/6 4/4 range (.53-1.3)E 00 (.92-1.5)E 00 (.64-1.6)E 00 (1. 6-2. 6) E 00 I-131 61 na===+etd. der. L.T. 3. E-01 L.T. 3. E-01 L.T. 5. E-01
' $ by chesnical - det./ total 0/4 0/5 0/9 L.T. 0/4 4 E-01 eeperation range - - - Ca 61 >===+etd.dow. 2.0 1 0.2 E 00 2.1 1 0.2 E 00 2.1 1 0.2 E 00 2.1 i O.2 E 00 ag/ liter det./ total 4/4 . range 4/4 6/E 4/4 (2.0-2.1)E 00 i (2.0-2.2)E 00 (2.0-2.1) E 00 p4o 61 monatetd.dow. 1.32 1 0.13E 03 ' 1.2910.13E 03 1.2910.13E 03 1.3910.14E 03 det./ total 4/4 5/5 9/9 4/4 range (1.27-1.42)E 03 (1.11-1.39) E 03 - (1.15-1.40)E 03 (1.3011.44)E 03 I-131 61 an===+ etd . der. L.T.- 7 E 00 - L.T. E 00 by gamme det./ total
- 6. L.T. 1. E 01 L.T. 1. E 01 0/4 0/5 0/9 spectro copy range. - -
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- G. MILK (See Tables G-1, G-2)
.. STATIONS 42, 95 (OTHER PRODUCERS) Milk samples were collected quarterly from other producers within a ten mile radius of the plant. The samples were analyzed for I-131 by chemical separation, isotopes. There were no detectionsfor for - elemental calcium, Se-89 and 90 and for gamma emitting of I-131 in the eight samples monitored. There were no detections of Sr-89. Strontium-90 was found at an average level of 1.5 pCi/ liter. There were 2.0 mg of calcium per liter of milk.
-Potassium-40 was detected at an average level of 1350. pCi/ liter. The strontium-90, K-40 and elemental calcium were at normal environmental levels and were similar to the results obtained from analyses of milk from the nearest. producer. There were no detections of Cs-137.in the samples col-1ected. It can be concluded that the operations of CNS had no effect on milk samples and thus no dose impact on the population.
The plotted onlevels FigureofG-1. radioactivities of the nuclides K-40. I-131 and Cs-137 cre in previous years. There Potassium-40 was at normal environmental levels as were no detections of I-131 or' Cs-137. Figure G-2 shows that Sr-90 and elemental calcium are at a level comparable to previous years and there were no detections of Sr-89. These graphs indicate
.. that there was no appreciable difference between the levels of activity of the nearest producer and the commercial producers. This indicated no effect on milk samples from the operations of CNS.
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TABLE G-1 1989 QUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCIEJLR STATION EXPOSURE PATHWAY - INGESTION MILK - OTHER PRODUCERS - PCI/ LITER SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH QUARTER NUCLTDE NUMBER 01/09 04/10 07/11 10/09 SR-89 42, 95 Meanistd.dev. L.T. 1. E 00 L.T. E 00
- 2. L.T. 7. E-01 L.T. 2. E 00 det./ total 0/2 0/2 0/2 0/2 range - -- - -
SR-90 42, 95 Meanistd.dev. 9.5 i 5.4 E-01 2.1 i 0.4 E 00 1.1 1 0.4 E 00 2.3 i 1.3 E 00 det./ total 2/2 2/2 2/2 2/2 range (0.69-1.2)E 00 (0.70-3.4)E 00 (.92-1.2)E 00 (2.1-2.5) E 00 - I-131 42, 95 Meanistd.dev. L.T. 2. E-01 L.T. E-01 (by chemical
- 3. L.T. 1. E-01 L.T.. 3. E-01 det./ total O/2 0/2 0/2 0/2 y separation) range - --
Ca 42, 95 Meanistd.dev. 2.0 1 0.2 E 00 2.0 1 0.2 E 00 2.0 1 0.2 E 00 2.1 1 0.2 E 00 mg/ liter det./ total 2/2 2/2 2/2 2/2 range -- - K-40 42, 95 Meanistd.dev. 1.44 i 0.15E 03 1.34 1 0.14E 03 1.3610.14E 03 1.2710.13E 03 det./ total 2/2 2/2 2/2 2/2 range (1.37-1.51)E 03 _ (1.29-I .38) E 03 (1.31-1.41)E 03 (1.12il.41)E 03 I-131 42, 95 Meanistd.dev. L.T. 5. E 00 L.T. 5. E 00 (by gasuna det./ total 0/2 L.T. 8. E 00 L.T. 1. E 01 0/2 0/2 0/2 spectroscopy) range - - - - Cs-137 42, 95 Meanistd.dev. L.T. 4. E 00 L.T. 4. E 00 ~ L.T. 4. E 00 L.T. 4. E 00. det./ total C/2 0/2 0/2 0/2 ' range - - - y . . * * -..-x ., sn-. - - , . ,. ,r.., , - ~ . ~ - , - --.,.r.-- v ~ - - - - - -- . - - - - - - - - - - - - . - - - - - - - - - -
s a .
. .' a TABI2 G-2 1989 QUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCIEAR STATIOP EXPOSURE PATHWAY - INGESTION MILK - OTHER PRODUCERS - PCI/ LITER SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH QUARTER NUCLIDE NUMBER 01/09 04/10 07/11 10/09 BE-7 42, 95 L.T. 3. E 01 (0/2) L.T. 3. E 01 (0/2) L.T. 3. E 01 (0/2) L.T. 4. E 01 (0/2)
K-40 42, 95 1.4410.15 E 03 (2/2) 1.3410.14 E 03 (2/2) 1.3610.14 E 03 (2/2) 1.2710.13 E 03 (2/2) Mn-54 42, 95 L.T. 4. E 00 (0/2) L.T. 3. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) Co-58 42, 95 L.T. 4. E 00 (0/2) L.T. 3. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) Fe-59 42, 95 L.T. 9. E 00 (0/2) L.T. 8. E 00 (0/2) L.T. 1- E 01 (0/2) L.T. 1. E 01 (0/2) y Co-60 42, 95 L.T. 5. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 5. E 00 (0/2) L.T. 4. E 00 (0/2) Zn-65 42, 95 L.T. 1. E 01 (0/2) L.T. 8. E 00 (0/2) L.T. 1. E 01 (0/2) L.T. 1. E 01 (0/2) Zr-95 42, 95 L.T. 4. E 00 (0/2) L.T. 3. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) Ru-103 42, 95 L.T. 4. E 00 (0/2) 'L.T. 3. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) Ru-106 42, 95 L.T. 3. E 01 (0/2) L.T. 3. E 01 (0/2) L.T. 4. E 01 (0/2) L.T. 3. E 01 (0/2) I-131 42, 95 L.T. 5. E 00 (0/2) L.T. 5. E 00 (0/2) L.T. 8. E 00 (0/2) L.T. 1. E 01 (0/2) Cs-134 42, 95 L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) Cs-137 42, 95 L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) L.T. 4. E 00 (0/2) Ba-140 42, 95 L.T. 5. E 00 (0/2) L.T. 5. E 00 (0/2) L.T. 7. E 00 (0/2) L.T. 9. E 00 (0/2)
'Ce-141 42, 95 'L.T. 8. E 00 (0/2) L.T. ~ 7. E 00 (0/2) L.T. 9. E 00 (0/2) L.T. 1. E 01 (0/2)
Co-144 42, 95 L.T. 3. E 01 (0/2) L.T. 3. E 01 (0/2) L.T. 4. E 01 (0/2) L.T. 3. E 01 (0/2) Ra-226 42, 95 L.T. 1. E 02 (0/2) L.T. 8. E 01 (0/2) L.T. 1. E 02 (3/2) L.T. 9. E 01 (0/2) Th-228 42, 95 L.T. 7. E 00 (0/2) L.T. 6. E 00 (0/2) L.T. 7. E 00 (0/2) L.T. 7 E 00 (0/2)
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. H. GROUNDWATER (See Tables H-1 and H-2) 5. ;
. STATIONS-11, 47
, Groundwater was collected from two stations quarterly. and analyzed: for 'f gross beta and gross alpha activity, for tritium and for gamma - emitting radionuclides.- Station 11 is: 0.15 miles from the plant and station 47 is: ;
'25.75 miles-from the plant, s i
The grossi bet'a ' activity averaged '9.3 pC1/1 f ter- which is; statistically. j
- similar. to past years. There were no . detections - of ; alpha activity in ~ any 2
of the: samples collected. There were no detectionstof. gamma emitters above the normal level of detection. The tritium level averaged 194 pCi/ liter for the year which is the normal environmental level. There was noi difference in levels of beta activity. or tritium' for. the. station. close to the plant as- compared with the more. distant . station.
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It! . may be concluded that there was no impact from the opeNtions of CNS on the' -t environment as- shown by measurements of radionuclidus in groundwater. Shown in Figure I-1 are the gross alpha, gross beta .and tritium ' levels' in groundwater. The levels of these _ activities have remained .. essentially - unchanged. P i L 4 D
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TasLE E 1989 QUARTERLY REPORT NEBRASEA PUELIC' POWER DISTRICT COOPER NUCI2AR STATION-EXPOSURE PATINfAY - NATERBORNE GROUNDMATER - PCI/ LITER SAMPLE -STATION FIRST QUARTER SECOND QUARTER NUCLIDE
' THIRD OUARTER' FOURTH OUARTER" NUImER 01/16 04/17 07/17 10/16 CROSS 11, 47 Meanietd.dev. L.T. 3. - E 00 L.T. 4. E 00 L.T. 3. E 00 L.T. 4. ' E 00 ALPHA det./ total 0/2 0/2 0/2 0/2 range - - --
GROSS 11, 47 gesanistd.dev. 8.1 1 1.7 E 00 BETA 2/2 . 8.4 i 1.8 E 00 - 1.0 1 0.2 E 01. 1.1 1 0.9 E 01 det./ total' 2/2 2/2 2/2 range (7.5-8.6) E 00 (8.1-8.6) E 00 (.97-1.1)E 01. (8.3-13.0) E 00 K-40 11, 47 Meanistd.dev. L.T. 1. E 02 -L.T. 6. E Ol' L.T. 6. - E 01 L.T. 9. E C1 det./ total 0/2 0/2 0/2 0/2 - w range - m - -- I-131 11, 47 30eanistd.dev. L.T. 6. E 00 L.T. 7. E 00: L.T. 4. E 00 ' L.T. (by gasuna 2. ' E 01
~det./ total 0/2- 0/2 0/2 0/2 spectroscopy) range -
Cs-137 11, 47 Neanistd. der. L.T. 5. E 00 'L.T. 4. E 00 L.T. 3 .' E 00 L.T. 6. .E 00 det./ total- 0/2 0/2 0/2 0/2
. range - - -- --
H-3 11, 47 Meanistd.dev. L.T. 1.1 E 02- 2.1 1 0.7 E 02 1.7 1 0.9 E 02 2.2 1 0.9 E 02 det,/ total .0/2 1/2 2/2' 2/2 range - (1.4-1.9) E 02 (1.8-2.5)E 02 r k - - ___,_;____.____' - - + ,v2'~ i r- --- ~- -
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TABLE B-2 1989 QUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - WATERBORNE GROUNDWATER - PCI/ LITER SAMPLE STATION FIRST QUARTER' SECOND QUARTER THIRD QUARTER :FOCRTH 00ARTER NUCLIDE NUMBER 01/16 -04/17 07/17 10/16 BE-7 11, 47 L.T. 4. E 01 (0/2) L.T. 3. E 01 (0/2) .L.T. .3. - E 01 ' (0/2) . L.T. 5.- E 01 (0/2)~ K-40 11, 47 L.T. 5. E 01 (0/2) L.T. 6. E 01 (0/21 L.T.- 6. E 01. (0/2) L.T. 9. E 01' (0/21-. Mn-54 11, 47 L.T. 4. E 00 (0/2) L.T. 3 E 00 (0/2)- 'L.T. 3. ~E'00 (0/2) L.T. 5. . E 00 ' (0/2) Co-58 11, 47 L.T. 4. E 00 (0/2) L.T. 3. E 00 (0/2)- L.T. 3. E 00 (0/2) .L.T.- 6. E 00 (0/2) Fe-59 11, 47 L.T.- 9. E 00 (0/2) =L.T. 7. .E 00.(0/2)- L.T. :6. E 00 (0/2) L.T. 1.' E 01 (0/2) m co-60 11, 47 L.T. 5. E 30 (0/2) L.T. 4. E 00 (0/2) L.T. '. 3 . E 00-(0/2) L.T.- 6. .E 00 (0/2)~ o Zn-65 11, 47 L.T. 1. E 01 (0/2) L.T. 7. E 00'(0/2) 'L.T.. 6. .E 00 (0/2) L.T. 1. E 01 (0/2) Zr-95 - 11, 47 L.T. 5. E.00 (0/2) L.T. 3. E 00 (0/2) L.T. 3. E 00'(0/2)' L.T. 6. E 00'(0/2) Ru-103 11, 47 L.T. 5. E 00 (0/2). L.T.. 4.- E 00 (0/2) 'L.T. 3.. E 00 (0/2). L.T. 6. E 00 (0/2) Ru-106 11, 47 L.T. 4. .E 01. (0/2) L.T. 3. E 01 (0/2) L.T. ^3. E 01 ' (0/2) L.T.-- 5. E 01 (0/2) 1-131 11, 47 L.T. 6. E 00 (0/2) L.T. 7. E 00 (0/2) JL.T. 4.. E 00 (0/2) L.T. 2.- E 01 - (0/2)- Cs-134 11, 47 L.T. 5. E 00-(0/2) L.T.--:4. E 00 (0/2) L.T. 3 .' E 00 (0/2) L.T. 5. E 00 (0/2)- Cs-137 11, 47 L.T. 5. E 00 (0/2) L.T. - 4. E 00 (0/2) -L.T. 3. E 00 (0/2)- L.T. 6. E 00 (0/2) Ba-140 11, 47 L.T. 5. E 00 (0/2) ' L.T. 6. -E'00 (0/2) L.T. 5. E 00 (0/2) L.T. 1. E 01 (0/2) Ce-141 11, 47 L.T. 8. E 00 (0/2) L.T. 8.. E 00 (0/2)- -L.T. 7. E 00 (0/2)' 'L.T. .1. E 01 (0/2) Ce-144 11, 47 L.T. 3. 'E 01 (0/2)- L.T. .3. E 01 (0/2). L.T - 3. E 01 (0/2) L.T. 5. E 01 (0/2) Ra-226 11, 47 L.T. 9. E 01 (0/2) L.T. .
- 8. E 01 (0/2) L.T. 9. E Ol' (0/2) L.T. 1. . E 02 (0/2)'
Th-228 11, 47. L.T. 8. E 00 (0/2) L.T. ,7. E 00 (0/2) L.T. 6. IE 00 (0/2) L.T. 1. E 01 (0/2) t
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STATIONS 12,28 River _ water was collected monthly and . monitored for gross ' beta andi gross alpha, suspended- and- dissolved, -Sr-89 and Sr-90 plus gamma emitting isotopes. A quarterly composite was measured for tritium. There were no detections of gamma emitters above the normal level of detection. There were no detections of Sr-89 or Sr-90. The average gross alpha and gross beta readings were similar to previous
-years as indicated in the summary of.1988 and 1989 averages below:
1988 1989-Average pC1/ liter Average pC1/ liter- l Gross Alpha 5.0 5.0 (dissolved) Gross Alpha 1.7 3.5
, (suspended) -!
Gross Beta 10-7 11'.5 !'
-(dissolved)
Gross Beta 4.5 9.5 (suspended) Seasonal variations are reflected in the gross. alpha and beta results. ' Changing weather conditions and flooding activity is: responsible for the rise in suspended particles in the second quarter. Figure 1-1, which follows, is a plot of the gross ~ alpha. and gross beta of. suspended and dissolved particles. The results for 1986 through.1989: are on the second page. The levels of activity continued to_ rise and fall within statistical limits depending on water levels. and turbulence and were probably due to naturally occurring isotopes.- No fission or. reactor activation 1 products were detected. Figure 1-2.' illustrates the level of; activity - for tritium, Sr-89 and Sr-90.
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7 l TABLE I 1989 OUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - WATERBORNE ^ WATER - RIVER PCI/ LITER SAMPLE STATION FIRST OUARTER .SECOND OUARTER THIRD QUARTER FOURTH QUARTER NUCLIDE NUMBER 01/02-0?r13 04/10-06/11 07/10-09/11 10/02-12/04 GROSS 12, 28 Heanistd.dev. L.T. 4. E 00 6.6 1 3.8 E-01 3.4 12.9 E 00 L.T. ' 4. 'E 00^ ALPHA det . /t otal -- 0/6 1/6 .2/6 O/6 (dissolved) range - - (3.2-3.6)E 00 - CROSS 12, 28 -Meanistd.dev. 1.8 i 1.1 E 01 1.2 1 0.8 E 00 7.5 1 5.2 E 00- L.T. 2. E 00 ALPHA det./ total 2/6 4/6 3/6 9/6 (suspended) range . (1. 7-1.9) E 01 (0.68-1.9)E 00 .(1. 7-12) E 00 - CROSS 12, 28 Heanistd.dev. 1.3 1 0.2 E 01 1.1 1 0.2 E 01 1.1 1 0.2 E 01 1.1 z 0.2 E-01 BETA det./ total 6/6 6/6 . , 6/6 .
. 6/6 (dissolved) range (1.2-1.5) E 01 (0.95-1.1)E 01' .40.95-1.3)E 01 10.65-1.3) E 01 -
- CROSS 12, 28 Meanistd.dev. 2.2 1 0.4 E 01- 4.8 i 1.0 E. 00 -7.8 i 2.6 E 00 3.2 1 0.8 E 00 BETA .det./ total 5/6- 6/6 . 6/6 .
4/6 (suspended) range (0.74-57) E 00 -(2.1-7.0) E 00 - (2.1-16)E 00 (2.7 i 3.5)E C3 Sr-89 12, 28 Meanistd.dev. L.T. 1. E 00 -L.T. 1. E 00- L.T. 1. E 00 L.T. 1. - E 00 det./ total 0/6 O/6 O/6 0/6 range. - - - -
-Sr-90 12, 28 Meanistd.dev. L.T. -9. E-01 L.T. -9. E-01 L.T. 7.' E L.T. 7 E-01 det./cotal 0/6 - 0/6 - 0/6 0/6 range ' - - - -
H-3 (a) 12, 28 Heanistd.dev. 2.4 1 0.8 E 02 '1.4 i C.7 E 02 L.T. 2. E 02 ' t.T. ' I . E 02 det./ total 1/2 2/2 0/2 - 0/2 range - (1.4-1.4)E 02- -- - I-131 12, 28 Meanistd.dev. L.T.. 8. E 00 L.T. 1. -.E 01' L.T. 1. - E 01 L.T. 2. E 01 (by gama ...det./ total O/6 O/6 O/6 O/6 spectroscopy) - range - - - Cs-137 12, 28 Meanistd.dev. L.T. 6. E 00 L.T. 4. E 00 L.T. 6. E 00 - L.T. 5. E 00 det./ total "0/6- 0/6 ~ .- 0/6 0/6 range - -
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(a) Tritium analysis is performed on the quarterly composite of each station: only. g g /p -Q $ e 6. * * '
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TABLE I-2 1989 QUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT
-COOPER NUCLEAR STATION EXPOSURE PATHWAY - WATEPEORNE WATER -' RIVER PCI/ LITER SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH QUARTER NUCLIDE NUMBER 01/02-03/13 04/11-06/10 07/10-09/11 10/02-12/04 y BE-7 12, 28 L.T. 4. E 01 (0/6) L.T. .4. E 01 - (0/6) L.T. 5..E'01 (0/6) L.T. 4. E 01 (0/6)
K-40 12, 28 5.4313.09E 01 (1/6) L.T. 9. E 01 (0/6) L.T. 1. E 02 (0/6) L.T. 1. E 02 (0/6) Mn-54 12, 28 L.T. 5. E 00 (0/6) L.T. 4. E 00 (0/6) L.T.; 6. E 00 (0/6) L.T. 4.. E 00 (0/6) Co-58 12, 28 L.T. 5. E 00 (0/6) L.T. 4. E 00 (0/6) L.T. 6. - E 00 (0/6) L.T. 4. E 00 (0/6) Fe-59 12, 28 L.T. 1. E 01 (0/6) L.T. 9. E 00 (0/6) L.T. 1.' E 01 ' (0/6) L.T. 9. E 00 (0/6) Co-60 12, 28 L.T. 5. E 00 (0/6) L.T. 5. E 00 (0/6) L.T. 6. E 00 (0/6) L.T. 5. E 00. (0/6)
$ Zn-65 12,.28 L.T. 1. E 01 (0/6) L.T. 9. E 00 (0/6) L.T. 1. . E 01 (0/6) .L.T. 1. E 01 -'(0/6)
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Zr-95 12, 28 L.T. 5. E 00 (0/6)- L.T. 4. L.T. 6. E 00 (0/6)~ L.T. 4. E OC (0/6) Ru-103 12, 28 ~L.T. 5. E 00. (0/6) L.T. 5. E 00 (0/6) .L.T. 6. E 00 (0/6). L.T. 5. E 00 (0/6) Ru-106 12, 28 L.T. 5. E 01 (0/6) L.T. 4. E 01 (0/6).. L.T.. 5. E 01 (0/6) L.T. 4. E 01 (0/6) 1-131 12, 28 L.T. 9. E 00 (0/6) L.T. 1. E 01. (0/6) L.T. 1. E 01 (0/6) L.T. -2. E 01 (0/6) Cs-134 12, 28 - L.T. 5. ' E 00 (0/6) .L.T. 4. E 00 (0/6) L.T. 6. E 00 (0/6) L.T. 4. E 00 (0/6) Cs-137 12, 28 .L.T. 6. E 00 (0/6) L.T. 4. E 00 (0/6) 'L.T. -6. E 00'(0/6) L.T. 4. E 00 (0/6) Ba-140 12, 28 L.T. 7. E 00 (0/6) L.T. . 9. - E 00 (0/6)- L.T. 1. E 01 -(0/6) L.T. 1. E 01 (0/6)- Ce-141 .12, 28 L.T. 9. E 00 (0/6) L.T. 1. E 01. (0/6) L.T. 'l'. E 01 (0/6) L.T. 1. E 01 (0/6) Ce-144 12,.28 L.T. 4. E 01 (0/6) LL.T. 4. E 01 - (0/6) L.T. 4. .E 01 (0/6) L.T.. 4. E 01 (0/6) Ra-226 12, 28 L.T. 1. E 02 (0/6) L.T. 1. E 02- (0/G) .L.T.- 1. E:02 (0/6) L.T. 9. E 01 (0/6) Th-228 12, 28 L. T. - 9, E 00 (0/6) L.T. 7. E 00.(0/6) -L.T. 1. E 01 (0/6) L.T. 7. E 00 (0/6)
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1 i J. AMBIENT RADIATION - THERM 0 LUMINESCENT DOSIMETERS-(TL0s'--SEE TABLES' . J-l AND J-2) ; i 1 STATIONS 01-10,20,44,56,58,59,66,67,71,79-91,94 cj
~
l Ambient radiation was monitored atl32 locations withinLa 10 mile radius , Jof CNS and collected quarterly. The quarterly: averages for all stations of
. ambient net . gamma radiation ranged from-~14.5 milliroentgen / quarter to' 26.0 mill.iRoentgen/- quarter. The highest exposure during each of the four-- -i quarters was at' Station 01 (0.1 mile, 225 degrees)' and averaged 26.0 mR/ . quarter. The lowest exposure was at - Station- 09: (7.3' miles - 335 degrees) ,i averaging 14.5 milliroentgen / quarter.
The radiation ati station 44,- (10.5 miles, 270 degrees) which -.isl thel control' station, was;.an - average of 17.7 mR/ quarter. - This was similar to , other stations and to the average of all. stations'which was 17.4 mR/ quarter.- 1 The average total, exposure for the year was 69.7 mR ~ which is consider-ably below the 125 millirems per quarter specifiedL in 10 CFR 20.105 for an - unrestricted area. Therelationshipbetweenmill1 Roentgen (mR)andmillirems' 1 (mr) is approximately one for the exposure conditions tencountered. No plant effect-from CNS was-indicated. The gamma exposures monitored by thermoluminescent dosimeters from 1977 through 1989 are plotted on; Figure J-1. .-The data from year to year 'is--in good agreement and indicates no adverse changes in-radiation exposure to the population near CNS. i l
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c y . TABI2 J-1 1989 QUARTERLY REPORT-NEBRASKA PUBLIC POTTER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHNAY . AMBIENT GADetA RADIATION: .TLD mil 11 Roentgen / Quarter SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH QUARTER NUCLIDE NUMBER 01/04-04/03 04/03-07/06 07/06-10/03 10/03-01/03 TLD (G====) 01 24.2 i 3.1 20.2 1 2.9 31.0 110.5 28.5 i 7.0
-02 16.2 i 1.3 15.9 i 1.1 15.5 i 1.7 17.8 1 1.5 03 15.6 i 0.5 16.110.9 15.5 i 1.4 14.7 1 1.2 04 14.1 1 0.8 17.5 i 1.7 16.6 i 1.5 14.7 1 1.7 05 16.1 1 0.5 14.4 i 1.3 17.112.9 14.8 1 0.9 06 15.3 i 1.0 14.0 1 1.5 16.2 i 1.6 17.8 1 2.7 to 07 16.9 i 0.8 14.4 i 1.2 19.9 i 3.6 '15.6 1 2.1 08 16.5 i 0.7 15.1 1 2.0 16.6 1 1.7 15.9 1 1.3 09 14.4 i 0.8 13.5 i 1.4 14.6 i 1.9- 15.6 1 0.6
- 10. '17.5 i 0.6 14.2 1 1.9
^
16.7 i 2.9 .17.5 i 1.4 20 '15.1 1 0.6 16.8 i 1.0 17.8 i 2.2- 16.9 1 1,4 44 17.1 i 1.3 16.7 i 1.8 19.0 1 2.1 17.912.0 56 17.1 1 0.7 18.9 i 2.0 20.9 i 2.8- 17.911.9 . 58 19.0 i 0.8' 16.0/1 1.6 17.8 i 2.2 17.5 1 3.1 t 59 17.1 i 0.8 16.8 i'1.5. 18.5 1 2.2 18.6 i 2.0 66 16.7 i 2.5- 18.2 i 1.3 21.7 i 2.5 - 19.2 1 1.6 67 '16.5 1 0.4 16.912.2 17.5 1 2.4 17.6 i 1.5 71 20.9 i 1.1 16.3 1.1.8 '21.8 1 2.1 20.5 1 1.5
- - . . . . . . . . _ . . - , a. ;,., . . - - . . . .
- . - . ....2.._. . . - .. , - , A
-TABI2 J '1989 QUARTERLY REPORT ~
NEBRASKA PUBLIC POTTER' DISTRICT COOPER NUCLEAR STATION. EXPOSURE PATf!NAY - AMBIENT GAmtA RADIATION: TLD milliRoentger./ Quarter SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUAk <F FOURTH QUARTER NUCLIDE NUMBER 01/04-04/03 04/03-07/06 '07/06-!'. 10/03-01/03 TLD (Gansna) 79 16.5 1 0 ' 16.8 1 1.3 '20.7'i 2.1 '16.9 i 1.4-80 17.4 i 1.0 16.7 i 2.5 16.7 1 2.0 18.012.5 81 20.0 i 1.0 15.5 i 1.4 17;l i 1.6 19.0.1 2.9 82 15.6 i 0.7 18.7 i 1.5 20.6 i 2.5- '17.8 i 3.1 83 16.6 1 0.9 17.2 1 2.4 18.4 i 3.2 17.9 i 2.3 84 17.911.2 16.7 i 1.8 20.4 1 102 18.4 1 1.2 e 85 (a) 19.8 1 1.7 18.4 i 1.7 16.1 1 1.8 ro 86 16.5 1 0.7 16.8 1 1.7 17.7 i 1.9 17.4 1 2.3 87 15.9 i 0.9 14.7 1 1.7 17.0 i'1.9 16.4 1 1.8 88 16.2 i 1.5 16.9 i 2.2 18.3 i 1.2 17.7.1 2.1 89 14.9 i 0.9 16.2 1 1.4 19.1 1 3'.3 19.S'i 1.8 90 16.3 i 0.9 14.7 i 1.3 19.1 1 2.1. 18.9 i 3.0 91 16.9 i 1.2 15.3 i 1.1. 16.7 i 1.5 18.2 1 2.1-94 16.5 i 0.9- 17.0 1 2.1- 17.5 i 2.1 18.0 1 2.0 Average / Quarter 89 days- .
~94 days-- 89 days .
91 days 16.911.97 mR/89 days 16.411.62 mR/94 days' 18.512.9 mR/89 days .17.812.4 mR/91 days Average / Day -0.1910.02 mR/ day . ~ 0.1710.02 mR/ day .. 0.2110.03 mR/ day . ' O.20iO.03 aft / day Range (14.1-24.2)mR/89 days (13.5-20.2)mR/94 days (14.6-31.0)mR/89 days (14.7-28.5)mR/91 days Det./ Total 31/31- 32/32. 32/32 32/32
.j (a) The TLDs for the first quarter station 85 were reported.as lost.
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e *- m i TABI2 J-2 1989 OUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATifWAY - AMBIENT GAfem RADIATION: TLD' milllPoentgen/ Quarter SAMPLE ' STATION Aver./Ouarter TOTAL sir / year NUCLIDE NUMBER 01/04-01/03 TLD (Gamuna) 01 26.0 1 4.8 104.0 02 '16.4 i 1.0 65.6 03 15.5 i:0.6 62.0 - 04 15.7 1 1.6 62.8 05 15.6 i 1.2 62.4~ 06 15.8 1 1.6 -63.2 07 16.712.4 66.8 08 16.0 i 0.7 64.0 09 14.5 i 0.9 58.0 10 16.5 i 1.6 66.0 20 16.711.1 _ 66.8 44 17.7 i 1.0 70.8L 56 18.7 i 1.6 74.8 58 17.6 i 1.2 70.4 59 17.8.i 0.9 71.2 66 19.012.1 76.0 67- 17.1.1 0.5 68.4 71 19.9 i 2.4 79.6 . . = _ . - - ...- ._. ...--. _ _ -.. .... - --. -..-~__.-.:- - - - 2.- _. __ , , _ _ , .
TABLE J-2 1989 OUARTERLY REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATifWAY - AMBIENT GAMMA RADIATION: TLD mil 11 Roentgen / Quarter - SAMPLE- STATION Aver./ Quarter TOTAL sdt/ year NUCLIDE NUMBER 01/04-01/03 TLD (Ganana) 79 17.7 1 2.0 70.8 80 17.2 1 0.6 68.8 81 17.912.0 71.6 82 18.2 1 2.1 72.8 83 17.5 i 0.8 70.0 84 18.4 i 1.5- 73.6 85 18.1 i 1.9 72.4 . (a) $ 86 17.1 1 0.5 68.4-87 16.0 i 1.0 '64.0
#9 17.3 1 0.9 69.2-89 17.4 i 2.2 69.6 90 17.3 1 2.1 69.2 91 .16.8 i 1.2 67.2 94 17.3 i 0.6 .
~69.2 17.4 i 1.9 Average sir / Quarter .
69.717.7 Aver.' total atR year.. All stations-Range- (14.5-26.0)- ~ Range (58.0-104.0)
~
(a) The TLDs for the first quarter station 85 were reported as lost.. a -* -
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K. VEGETATION, BROADLEAF-(S'EE TABLES K-1 and K-2)l '
. STATIONS 35, 96,-98 -j l
i
.Broadleaf vegetation was. collected each month during the growing season,- )
May through :- October.- Three 'sanples . were collected each month; from - each l station plus a quality control sanple. :The samples'were tested for 1-131 by i
- chemical: separation and.for gamma emitting isotopes.by high-resolution spectrometry..
The.; naturally occurring isotopes- Be-7. and K-40 were detected .. in c the'- s amples-'at normal environmental" levels. -No-I-131'was_ detected!in~any
- of the 60 samples. .Cesiuma137 was' detected:in four samples at an average of 0.029 pCi/gm, wet. Cesium-137'is detected in--other areas of the. United States and is: attributed to f allout1 from .~ previous. atomic weapons . . testing.- The:
amounts detected are not considereij to be significant. See Figure H-l' for 'the levels :of iactivities. in~- food samples} as rep-resented in broadleaf vegetation in -1989.
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e- .. e r s TABLE Et-1 1989 QUARTERLY REPORT NEBRASKA PUBLIC PONER DISTRICT COOPER WDCLEAR STATION' .- : j EXPOSURE PATIONAY - INGESTION BROADLEAF TERRESTRIAL VEGETAT1Ufe PCI/GBf, ifET SAMPLE STATIOlt .SECOND QUARTER THIRD QUARTER FOURTM QUARTER NUCLIDE IIUBSER 05/15, 06/12 07/10.08/14.C9/11' 10/02 I-131 35,96,98 Mana+mtd.dev. L. T. 3. E-02 L.T. 1. 'E-02 L.T. 2. 'E-02 (by chestical det./ total' 0/20 0/30' 0/10 (separation) range - - - Be-7 35,96,98 genaa+std.dev. '6.18 i 0.95E-01 2.61 0.3 E 00 2.2 1 0.2 E 00 - det./ total 19/20 30/30 . . 9/10 range -(1.29-14.8)E-01 (.58-11.1)E 00 (0.39-3.5)E 00 K-40 35,96,9C 90manistd.dev. 6.97 1 0.70E 00 5.8 1 0.6 E 00 6.6 1 0.7 E 00 det./ total . 20/20 30/30 10/10 range (4.17-11.2)E 00 (.18-1.1) E 01 (.28-1.1)E 01 Co-60 35,96,98 90eanistd.dev. L. T. 3.--E-02 L.T. 6. E-02 L.T. 3. - E-02 .. det./ total ~ 0/20 0/30' 0/10 range- - - - Ru-103 35,96,98 90eanistd. der. L. T. 4. E-02 L.T. 7. E-02 'L.T. 4. E-02 det./ total. 0/20 0/30 0/10-range - - - I-131 35,96,98 ' tenanistd.dev. L. T. 8. E-02 L.T. 3. E--01 L.T. '1. E-01 (by gammaa det./ total 0/20 '0/30 0/10 spectroscopy) range - - -- Cs-134 35,96,98 pleanistd.dev. L. T. 2. E-92 L.T. 5. E L.T. 3. E-02 det./ total ~0/20 <0/30'- 0/10 range - - -
~
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- TABLE K-2 1989 OUARTERLY REPORT NEBRASKA PUBLIC POWER. DISTRICT-
-COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESTION BROADLEAF TERRESTRIAL VEGETATION - PCI/GM, WET SAMPLE STATION FIRST QUARTER SECOND OUARTER TH'IRD QUARTER -FOLTRTH QUARTER NUCLIDE NUMBER 05/15-06/12 07/10,09/14,09/11 10/02 e BE-7 35,96,98 6.18 i 0.95E-01 (19/20) 2.6 i O.3 E 00 (30/30) 2.2 i 0.2 E 00 (9/10)
K-40 35,96,98 6.97 i 0.70E 00 (20/20) 5.8 i 0.6 E 00 (30/30) 6.610.7 E 00 (10/10) Mn-54 35,96,98 L.T. 3. E-02.' (0/20) L.T. 5. E-02 (0/30) L.T.' 1 E (0/10)
.Co-58 35,96,98 L.T. 3a. E-02 (0/20) L.T. 5. E-02 (0/30) L.T. 3. E-02 (0/10)
Fe-59 35,96,98 L.T. 6. E-02 (0/20)~ L.T. 1. . E-01. (0/30) ~ - L.T. 7. E-02 (0/10) e Co-60 35,96,98- L.T. 3. E-02 (0/20) L.T. 6. E-02 (0/30) L.T. 3. E-02 (0/10)'
- Zn-65 35,96,98 'L.T. 6. .E (0/20)' L.T. - 1. E-01 (0/30) .L.T. -5. E-02 (0/10).
Er-95 35,96,98 L.T. 3. 'E-02 .(0/20) E (0/30) : L.T. 6. L.T. 3 . E-02 (0/10). Riz-103 35,96,98 L.T. '4. E-02 (0/20) L.T. 7. E-02 (0/30) L.T. 4. E-02 (0/10) ttu-106 35,96,98 L.T.: 3. E-01. (0/20) L.T. 5. E-01. (0/30) L.T. 2. E-01 (0/10) I-131 35,96,98 L.T. 8. E-02 (0/20) L.T. 3. ' E-01 ' (0/30) L.T.- 1. E-01 (0/10) . ., Cs-134 35,96,98 'L.T. 2. E-02 (0/20) 'L.T. 5. E-02 (0/30) L.T. 3. E-02 (0/10)- Cs-137 35,96,98 2. "10 1 0. 90E-02 ' (4/20) ' L.T. 6. E-02 ' (0/30) . L.T. 3. E-02 . (0/10) Ba-140 35,96,98 L.T. 6. E-02' (0/20)~ ~L.T. 2.. E-01. (0/30) L.T. ~ 8. E-02 (0/10) Co-141 : 35,96,98 L.T. 7. -E-02 .(0/20) L.T. 1. E-01 (0/30) L.T. 7. E-02 (0/10) Co-144 35,96,98 L.T. 3. -E-01 (0/20) L.T. 5. E (0/30) L.T. 2. E-01 (0/10) Ra-226 35,96,98 2.71 i 1.50E-01. (3/20) L.T.. 1. . ' E 00_ (0/30) ' L.T. 6. E-01 (0/10) Th-228 35,96,98 3.37 i .0.45E-02 (4/20) L.T. 1. E (0/30). :L.T. 6. E (0/10) . - _ _- _. _ ,_ 2 m _ 2: a - -_.- a_. _ ._ _ _ _ - _ _ _.; _ . _ -
h ' 4 i
'L. SHORELINE SEDIMENT -
STATION 28 q
.1 e
Shoreline ' sediment samples were collected in the spring and fall . from i Station . 28,: 1.8 miles, _150 degrees downstream lof the release point' of CNS.' They were- analyzed -for. gamma : emitters by ~ means of- a high: resolution gamma ')l spectrometer. In the samples collected the naturally occurring isotopes-Be-7, K-40, Ra-226 and Th-228 were detected at normal environmental -levels. ' Cesium-137, a fission product, was: detected at an.' average ' level; of - 0.085: pC i /gm,! d ry. - For'the samples collected in thelfourth quarter the naturally occurring ~ isotopes. were _ detected -at about the same : level as ~ in L the: second quarter. Cesium-137 was found at-- a level of 0.094 pC1/gm, --dry. Manganese-54.. an a'ctivation- product was. detected' at a level' of .015 pCi/gm, dry in.the__ spring sample.. Cobalt-60, another activation product, was' detected in.both-quarters at a level of 0.021 pCi/gm, dry. Presented ~in Figure L-1 are the' plots of the-radionuclides K-40 I-131 .
- Cs-134 and- Cs-137 in shoreline sediment- since 1985. No detections of I-131' nor Cs-134 were seen and K-40 was at a : normal environmental level. -- The Cs-137 was at a -low level which is. found in many areas and media. Si nce-- ~
t sediment tends'.tc trap and retain any elements in the water pathway, Lit acts ; as- a good indicator of the effects on the water pathway of any reactor ~j
- effluents. .
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TABLE I.-1 1989 QUARTERZ.Y REPORT NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AQUATIC SHORLINE SEDIMENT - PCI/GM, DRY SAMPLE STATION SECOND QUARTER THIRD QUARTER FOURTH QUARTER NUCLIDE NUMBER 05/07 10/16 Be-7 28 Meanistd.dev. L.T. 8. E-02 2.8810.89E-01 det./ total 0/1 2/2 range -- (2.65-3.11)E-01 K-40 28 Meanistd.dev.. 1.44 i 0.14E 01 1.7410.18E 01 det./ total 1/1 2/2 range - - Mn-54 28 Meanistd.dev. 1.51 1 0.72E-02 L.T. 1. E-02 det./ total 1/1 0/2 range - - CO-60 28 Meanistd.dev. -2.86 1 0.82E-02 1.32io.73E-02 det./ total 1/1 1/2 range - - I-131 28 Meanistd.dev.- L.T. 3. E-02 L.T. 2. E-01 g (by gansna det./ total 0/1 0/2 o spectroscopy) range -- - Cs-134 28 Meanistd.dev. L.T. 1. E L.T. 2. E det./ total 0/1 0/2 range -- - Cs-137 28 Meanistd.dev. 6.79 i O.68E-02 9.3510.94E-02 det./ total- 1/1 2/2 .. range - (9. 20-9. 4 9) E-02 Ra-226 28 Meanistd.dev. 9.04'i 1.49E-01 - 1.6710.18E 00' det./ total- 1/1 .22/ range. - (1.62-1.72)E 00
~
Th-228 28 Meanistd.dev. 5.04 i 0.50E-01' 8.6510.87E-01' det./ total '1/1' ~2/2 range --' (8.10-9.19) E ' h j g -h
- s. e- e . p e
+ e-.-..s , . . . _ _ , ,, . p. #,-.e ,r- 3,51. --- ~ , ,,,.4. .. . . ,% . , - . .
e' . * . *' TABLE L-2 1989 CUARTERLY REPORT NEBRASKA PUBLIC POWm.R OISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AQUATIC SHORELINE SEDIMENT - PCI/GM, DRY SAMPLE STATION FIRST QUARTER SECOND QUARTER THIRD QUARTER FOURTH OUARTER NUCLIDE NUMBER 05/v7 10/16 BE-7 28 L.T. 8. E-02(0/1) 2.8810.89 E-01(2/2) K-40 '28 1.4410.14 E 01(1/1) 1.7410.18 E 01(2/2) Mn-54 28 1.5110.72 E-02(1/1) L.T. 1. E-02(0/2) Co-58 -28 .L.T. ~9. E-03(0/1) L.T. 1. E-02(0/2) Fe-59 28 L.T. 3. E-02 (0/1) L.T. 4. E-02(0/2) y Co-60 28 2.8610.82 E-03(1/1) 1.3210.73 E-06(0/2) O 2n-65 28 L.T. 2. E-02 (0/1) L.T. 3. E-02(3/2) Zr-95 28 L.T. 1.- E-02(0/1) L.T. 2. E-02 (0/2) Ru-103 28 L.T. 1. E-02 (0/1) L.T. 2. E-02 (0/2) -- Ru-106 28 L.T. 8. E-02(0/1) L.T. 1. E-01 (0/2) I-131 28 .L.T. 3. : E-02 (0/1) >L.T. ' 2. E-01 (0/2) Cs-134 28 L.T. 1. E-02 (0/1) L.T. 2. E-02(0/2) Cs-137 28 6.7910. 68 E-02 (1/1) ' 9.3510.94 E-02(2/2) Ba-140 28 L.T. 2. ' ' E-02 (0/1) .L.T.' 7. E-02(0/2) Ce-141 28 L.T. 2.' 'E-02 (0/1) 4.2712.09 E-02(1/2) Co-144 28 .L.T. . 7.' E-02 (0/1) L.T. 9. E-02(0/2) Ra-226 '28- 9.04fl . 4 9. E-01 (1/1) ; .'1.6710.18 E 00(2/2) ~
'Th-228 '28 5.0410.50. E-01 (1/1) ' 8.6510.87 E-01(2/2)
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REFERENCES
- 1. Nebraska Public Power 31 strict. Cooper Nuclear Station ..
Environmental Radiation Monitoring Program, Annual Report, January 1,1982-December 31, 1982 (prepared by Teledyne Isotopes).
- 2. Nebraska Public Power District. Cooper Nuclear Station Environmental Radiation Monitoring Program,' Annual Report, January 1,1983-December 31, 1983 (prepared by Teledyne Isotopes). .
i
- 3. Nebraska Pubite Power District Cooper Nuclear -Station. Environmental '
Monitoring Program,. Annual Report, January 1,1984 to December 31, , 1984. (Prepared by Teledyne Isotopes). - I
- 4. U. S. Department' of Energy; EML 440 March 1985; EML-444 April 1989;.
Environmental Measurements Laboratory, US Department of Energy, New l York, New York 10014.
- 5. U. S. Envi ronmental Protection Agency, Environmental Radiation Data. -
Report 35, July. -- September 1983, Rspu ; 39, July -- September 1985;
- Report 40, October -- December 1984; Report 41, January -- March 1985.
Report 42, April -- June 1985; Report 43, July-September 1985, Report , 44-45, October-March 1986; Report 46, April-June 1986; Report 47, July-
- September 1986; Report 48, October-December 1986; Report 49, January-March 1987. Environmental Radiation Facility, Montgomery, Alabama.
- 6. U. S. Department of Energy; EML 460, October 1, 1986; Environmental
- Measurements Laboratory, US Department of Energy, New York, New York
- 10014.
- 7. U. S. Nuclear Regulatory Commission,1975, Regulatory Guide 4.8, Environ-mental Technical Specifications for Nuclear Power Plants.
9 104
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