ML20209F999
| ML20209F999 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 12/31/1984 |
| From: | Martin J TELEDYNE ISOTOPES |
| To: | |
| References | |
| NUDOCS 8704300446 | |
| Download: ML20209F999 (98) | |
Text
Nebraska Public Power District Cooper Nuclear Station Annual Radiological Environmental Operating Report Environmental Radiation Monitoring Program January 1,1984 - December 31,1984 USNRC Docket Number 50-298 o
BG Prepared by TELEDYNE ISOTOPES 004 Dob 8
l GENERAL OFFICE Nebraska Public Power District
- "L'Eso"Jeid'f"^!a"**""
March 27, 1985 I
Mr. Robert D. Martin Regional Administrator U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76011
Dear Mr. Martin:
Subj ect: Annual Radiological Environmental Operating Report f
Cooper Nuclear Station NRC Docket No. 50-298, DPR-46 In accordance with paragraph 5.4.1.a(2) of the Cooper Nuclear Station Environmental Technical Specifications, the Nebraska Public Power District submits the Cooper Nuclear Station Annual Radiological Environmental Operating Report for the period January 1, 1984,
'through December 31, 19d4.
We are enclosing one signed original of the report for your use and are transmitting 18 copies to the Document Control Desk in accordance with Regulatory Guide 10.1, Revision 4.
Should you have any questions or comments regarding this report, please contact my office.
Sincerely,
. ^ [\\ P M. )M Jay.!.
Pilant Technical Staff Manager Nuclear Power Group JMP/dgl:dg Enclosure cc:
Document Control Desk w/18 copies U.S. Nucicar Regulatory Commission Washington, D.C. 20555 6
'j l
T TELEDYNE ISOTOPES 4
NE8RASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION ANNUAL
SUMMARY
REPORT 1984 ENVIRONMENTAL RADIATION MONITORING PROGRAM 4
PREPARED BY TELE 0YNE ISOTOPES 50 VAN BUREN AVENUE WESTWOOD, NEW JERSEY 07675 REPORT APPROVE 0 BY:
' un, m
MANAGER /
ENVIRONMENTAL ANALYSIS DEPARTMENT
TABLE OF CONTENTS PAGE INTRODUCTION 1
LOCATION MAP 2
SAMPLING SCHEDULE AND ANALYSES 3
STATIONS AND RELATIVE POSITION TO ERP 6
PART I REMPS TABLE - ANNUAL
SUMMARY
OF ALL STATIONS OF THE IS0 TOPES 8
0F INTEREST WITH YEARLY AVERAGE ACTIVITY, NUMBER 9
0F DETECTIONS, STATION WITH HIGHEST AVERAGE, AVERAGE OF CONTROL STATION AND INCLUSIVE DATES OF ANALYSES PART II DISCUSSION, IMPACT ON THE ENVIRONMENT AND STATISTICAL TABLES 32 FOR EACH QUARTER A and B.
AIR PARTICULATES - GROSS BETA - GROSS ALPHA 33 C.
CHARC0AL FILTER, I-131 42 D.
COMPOSITE OF AIR PARTICULATE FILTERS - GAMMA 47 E.
EGGS 50 F.
FEED AND FORAGE - BEEF PRODUCERS 53 G and H.
FOOD AND GARDEN CR0PS - APPLES-GARDEN VEGETABLES 56 I and J.
FEED AND FORAGE - NEAREST MILK PRODUCERS-COMMERCIAL 61 MILK PRODUCERS K.
F000 AND FEED CR0PS 66 L.
FISH 70 M and N.
MILK - COMMERCIAL PRODUCERS AND NEAREST PRODUCERS 73 0.
GROUN0 WATER 78 P.
RIVER WATER 81 Q.
RABBITS 84 R.
AQUATIC VEGETATION 87 S.
S0Il 89 T.
THERM 0 LUMINESCENT 00SIMETERS 92 11 w..
TTELEDYNE ISOTOPES I.
INTRODUCTION This report contains a complete tabulation of data collected during the period January to December 1984, for the operational Radiological Environ-mental Monitoring Program performed for the Cooper Nuclear Station (CNS) of the Nebraska Public Power District (NPPD) by Teledyne Isotopes.
Samples were collected in the environs of CNS by NPPD and analyzed by the Teledyne Isotopes Laboratories in compliance with the Environmental Technical Specifi-cations, Appendix B of the Cooper Nuclear Station Operating License.
Cooper Nuclear Station is located in Nemaha County in the southeast 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 criticality was attained on February 21, 1974.
The reactor reached 50% power on June 25, 1974 and 100% power on November 20, 1974. The station is presently shut down for maintainance and refueling.
Part I contains the annual summary for each type of sample with the yearly average of all stations of the radioisotopes of interest, the number of detections per total analyses, the station with the highest average activity, the activity of the control station and the inclusive dates of the analyses.
Part II is a discussion of the results for each sample type and a statistical summary for each quarter of the year for the radioisotopes for which the samples were analyzed.
Radiological environmental monitoring began in 1971 before the plant became operational and has continued to the present.
The program monitors radiation levels in air, terrestrial and aquatic environments.
Samples are collected by NPPD personnel. All are shipped for analysis to the con-tractor's laboratory where there exists special f acilities required for measurements of extremely low levels of radioactivity.
From 1971 through 1976 the contractor was Teledyne Isotopes, Westwood, New Jersey.
NALC0 Environmental Sciences assumed responsibility for the analyses January 1, 1977.
On November 1, 1978 Hazelton Environmental Sciences Corporation assumed responsibility for the program.
Prior to November 1,1978 Hazelton Environmental Sciences operated as NALC0 Environmental Sciences.
Teledyne Isotopes again assumed responsibility for the analyses effective January 1, 1979 through the present period, December 31, 1984.
1
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TTELEDYNE ISOTOPES TABLE 1 Sampling schedule and analyses,1984, Cooper Nuclear Station
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WEEKLY Sample Type Station Nos.
Analyses Airborne - Particulates 1 - 10 Gross a, 6 Gamma spec. on quarterly composite of each station and on samples with B levels > 300 dpm Airborne - Iodine 1 - 10 1-131 Feed and Forage - Beef 64,67,68,71,76 Gamma spec. on Producers (peak pasture monthly composite only)
Milk - Nearest Producer 61 I-131 (low level)
(peak pasture only)
Sr-89, Sr-90 Elem.
Ca Gamma spec. on monthly composite P'J NTHL Y Sample Type Station Nos.
Analyses Feed and Forage - Beef 64,67,68,71,76 Gamma spec.
Producers (except peak pasture season)
Feed and Forage -
61 Sr-89, Sr-90 Nearest Milk Producer Elem. Ca (peak pasture only)
Gamma spec.
River Water 12, 13, 28 Gross a - sus and dis Gross B - sus and dis Sr-89, Sr-90 Gamma spec. and tritium on quarterly composite Milk - Nearest Producer 61 1-131 (low level)
Sr-89, Sr-90 Elem Ca Gamma spec.
3
1 TTELEDYNE ISOTOPES (continued)
TABLE 1 QUARTERLY Sample Type Station Nos.
Analyses Background Radiation 1 - 10, 15,18,22, TLD readout l
44,58,59 Feed and Forage -
61 Sr-89, Sr-90 Nearest Milk Producer Elem. Ca (except peak pasture season)
Gamma spec.
Feed and Forage 42, 75, 78 Sr-89, Sr-90 Commercial Milk Elem. Ca Producers Gamma spec.
Ground Water 11, 47 Gross a, S Gama spec.
Tritium Milk - Commercial 42, 75, 78 I-131(lowlevel)
Producers Sr-89, Sr-90 Elem. Ca Gamma spec.
Eggs 42, 51, 67, 76 Gross S Sr-89, Sr-90 Elem. Ca Gamma spec.
2 TIMES / YEAR Sample Type Station Nos.
Analyses Fish (Sumer and Fall) 28, 35 Gross Q Sr-89, Sr-90 Gamma spec.
Aquatic Vegetation 12, 13, 28 Gross Q Sr-89, Sr-90 Gamma spec.
ANNUALLY Samole Type Station Nos.
Analyses Food and Feed Crops 15,18,20,27,29 Gross 0 (at harvest) 38, 41 Sr-89, Sr-90 Elem. Ca Gama spec.
4
TTELEDYNE ISOTOPES (continued)
TABLE 1 ANNUALLY Sample Type Station Nos.
Analyses Garden Crops 34( a), 56, 62 Gross S (at harvest)
Sr-89, Sr-90 Elem, Ca Gamma spec.
Apples 53, 54 Gross S (atharvest)
Sr-89, Sr-90 Elem, Ca Gamma spec.
R abbits 28, 35 Thyroid - I-131 (f all or early winter)
Femur - Sr-89, Sr-90 Muscle - Gamma spec.
ONCE EVERY THREE YEARS Sample Type Station Nos.
Analyses Soil (Sampled in 1984) 2 - 10 Sr-90 Gamma spec.
(a) No crop at station 34 for 1982, 1983 or 1984.
5
TTE1.EDYNE ISOTOPES TABLE 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 DISTANCE DIRECTION NUMBER (MILES)
(DEGREES)
CLASSIFICATION (a) 1
.1 225 IND 2
.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 INO 9
7.25 335 IND 10 10.0 160 IND 11
.15 225 IND l
12
.1 360 CON 13
.25 120 IND 14
.5 140 P0 15
.51 180 IND 16
.75 202 NA 17 1.5 235 P0 18
.8 270 INO s
19 1.0 300 P0 20
.96 315 IND 21
.6 46 P0 22
.7 95 IND 23 1.9 80 P0 24 3.0 97 P0 25 3.75 105 P0 26 3.0 130 P0 27 3.0 143 INO 28 1.8 150 IND 29 3.0 170 INO 30 5.0 178 P0 31 2.75 222 NA 32 3.4 268 P0 33 2.8 302 P0 34 2.5 333 IND 35 2.0 350 CON 36 3.6 335 P0 37 3.9 330 NA 38 4.0 360 IND 39 2.75 25 PO 6
TTELEDYNE TABLE 2 ISOTOPES NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION BROWNVILLE, NEBRASKA DISTANCE AND DIRECTION FROM THE ELEVATED RELEASE POINT (ERP) TO THE SAMPLE STATION LOCATIONS STATION DISTANCE (b)
OIRECTION (b)
NUMBER (MILES)
(DEGREES)
CLASSIFICATION (a) 40 3.9 37 P0 41 8.4 11 IND 42 12.85 156 IND 43 11.75 217 NA 44 10.25 2/0 CON 45 4.0 325 NA 46 24.75 15 3 NA 47 25.75 154 IND 48 5.6 332 NA 49 11.4 222 NA 50 1.1 270 NA
(
51 4.2 125 IND 52 7.4 79 NA 53 2.0 216 IND 54 5.2 320 IND 55 1.75 270 NA 56 1.9 118 IND 57 6.6 208 NA 58 1.25 219 IND 59 1.0 189 IND 60 8.4 42 NA 61 3.5 326 IND 62 1.5 225 IND 63 5.0 56 NA 64 2.25 99 IND 65 1.1 305 NA 66 4.5 200 NA 67 4.75 325 IND 68 3.4 270 IND 69 3.5 3
NA 70 3.5 3
NA 71 4.25 71 IND 72 3.75 39 NA 73 10.0 35 NA 74 2.4 270 NA 75 9.0 180 IND I
76 5.3 212 IND I
77 2.5 222 IND 78 8.2 75 IND (a) Classification codes:
IND = indicator; CON = control; P0 =
pre-operational sampling site not used in 1980-1984 sampling program; NA = not active as of 1 January 1984.
(b) Distance and direction are specified with respect to reactor elevated release point.
7
TTELEDYNE ISOTOPES PART I Annual Summary for Each Type of Sample with the Yearly Average of All Stations, the Number of Detections per Total Analyses, the Station with the Highest Average Activity, the Activity of the Control Station and the Inclusive Dates of the Analyses 8
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16
RADIOLOGICAL E nv laanME mT AL M0m! TOR!aG PROGRAM
SUMMARY
PAindAf - INGESTION COMPILATION - ANNUAL
SUMMARY
MEBRASKA PUBLIC POWER DISTRICT SAMPLE - FEED Am3 FORAGE - MILE PRODUCERS CONTROL -
COOPER huCLEAR STATION untTS - PCl/GM WET (mEAREST)
ANALYS15 40 LIMIT OF ALL INDICATOR SAMPLES LOCATIC4 WITH HIGHEST MEAN CO' TROL LOCATION NON-REPORTlhG PLR100 m
DETECTION MEAN A E-00 MEAN 1 E-00 MEAR 1 E-00 ROUTIME MEAR A E-00 RANGE STAT 10h FRACTION RANGE RANGE FRACTION STATION DESCRIPTION FRACTION CA MG/GM 9
5.2 5.2 0 01/10/84-10/23/84 0.040 14.0 61 009/009 0.040 14.0 009/009 ST ATION 61 - 3.5 MI. 326 DEG. IND.
52-89 9
0.600 LT 0.0500 0 01/10/84-10/23/84 LT 0.0040
-L T 0.0500 000/009 52-90 9
0.600 0.0360 0.0360 0.007 0.080 61 008/009 0.007 0.080 0 01/10/84-10/23/84 008/009 STATION 61 - 3.5 MI. 326 OEG. IND.
C BE-7 9
0.3100 1.760 1.760 0 01/10/84-10/23/84 0.669 1.03 61 001/009 0.669 3.03 007/009 STATION 61 - 3.5 MI. 326 DEG. IND.
K-40 9
0.4700 12.30 12.30 0 01/10/84-10/23/84 5.77 19.30 61 009/009 5.77 -
19.30 009/009 STATION 61 - 3.5 MI. 326 DEG. IND.
1-131 9
0.03100 LT 0.1000 0 01/10/84-10/23/84 LT 0.0400
-LT 0.1000 000/009 C5-137 9
0.04700 0.02740 0.02740 0.02140 -
0.02740 61 001/009 0.02740- 0.02740 0 01/10/84-10/23/84 001/009 STATION 61 - 3.5 Mt. 326 DEG. IND.
TH-228 9
0.1200 0.1080 0.1080 0 01/10/84-10/23/84 0.1080 -
0.1080 61 001/009 0.1080 0.1080 001/009 STATION 61 - 3.5 MI. 326 DEG. IND.
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R ADIOLOGIC AL ErvVIEUNNENI AL n0hi!0HING PROGRAM SUMMARV PCIHWAY-INC.E S i lHN COMPIL Ail 0N - VE ARL Y SUM 1ARY NE 8k ASE A PuaLIC POWEN DISIRICT SAMPLE - F I SH CONIROL COOPER NUCLEAR STAtluN utal I $ - PCI/GM WEI ChALYSIS No t i mli DF ALL INDICATOR S AMPL E S LOC Ail 0N mlIH HIGetE ST ML Aid CONIR0L LOC AT ION N'JN-REPORIING PERIOD 05tECiluN MEAN A F-00 MEAN A E-00 ML A N x E -00 R OUTI NE Nt att a E-00 NANGE STATION F RACilON hANGt RANGE ikACilON ST AlluN Of SLhlPildre i R ACiluN
=......_ _ _ _
C 5-131 10 0.03100 0.03300 0.03960 0 07/02/84-10/16/84 0.02640 0.03960 28 002/006 0.01930-0.05990 004/010
$1All0N 28 - 1.s MI. 150 DEu. INO.
RA-226 IJ 0.07000 0.2830 G.2d30 0 Ol/02/64-10/16/d%
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RA010 LOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
PATHWAY - INGESTION COMPILATION. ANNUAL
SUMMARY
S AMPL E - MILK COMMERCI AL PR000CERS UNITS - PCI/ LITER CONTROL -
NEBRASKA PUBL IC POWER DISTRICT COOPER NUCLEAR STATION AN AL Y SI S NO llMIT OF ALL INDICATOR SAMPLES LOCAll0N WlIH HIGHEST MEAN CONTROL LOCATION NON-REPORTING PER100 DETECTION MEAN X E.00 MEAN I E.00 MEAN X E.00 R0uilhE ME AN I E-00 RANGE STATION FRACil0N RANGE.
RANGE FRAC 110N STATION DESCRIPTION
.......................................................... FRACTION CA MG/GM 11 (a) 2.0 2.2 1.1 2.2 78 003/003 1.1 4.1 0 01/17/84-10/16/84 011/011 STAi!0N 78 - 8.2 MI. 75 OEG. INO l-111 11 0.780 LT 0.300 BY CHEMICAL SEPARAll0N LI 0.200
_L I 0.300 O 01/17/84-10/16/84 000/011 SR-89 11 2.0 Li 2.0 LT 1.0
.L i 2.0 0 01/11/84 10/16/84 000/011 E$
SR-90 11 1.4 2.7 4.0 0 01/17/84 10/16/84 2.1 4.0 78 003/003 2.4 6.6 011/011 STAil0N 18 - 8.2 Mt. 75 DEG. IND K.40 11 140.0 1246.
1375 0 01/11/84 10/16/84 1040.
1375.
75 004/004 1350.
1440.
011/011 STATION 15 9.0 Mt. 180 DEG. INO 1 131 11 0.7800 LT 10.0 BY GAMMA SCAN LI 5.00
-L T 10.0 0 01/11/84-10/16/84 000/011 Cs.137 11 9.00 LT 8.00 LT 4.00
-L T 8.00 0 01/11/84 10/16/84 000/011 (a) No s ample was collect ed f rom St at ion 18 on 10/16/84. The cow was pregnant and was not lact at ing.
RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
PATHWAY INGESTION COMPILATION. ANNUAL
SUMMARY
NE8RASKA PUBLIC POWER O! STRICT SAMPLE - MILK NEAREST PRODUCERS CONTROL.
UNITS. PCI/ LITER COOPER NUCLEAR STAil0N ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH HIGHEST MEAN CONTROL LOCATION NON. REPORTING PERIOD DETECTION MEAN X E.00 MEAN X E.00 ME AN X E.00 ROUTINE MEAN X E.00 RANGE STATION FRACTION RANGE RANGE FRACTION STATION DESCRIPil0N
................................................................................... FRACTION CA MG/t 14 1.47 1.47 0 01/10/84-12/12/84 0.46 3.2 61 014/014 0.46 -
3.2 014/014 STATION 61 - 3.5 Mt. 326 DEG. IND.
1-131 31 0.780 LT 0.400 0 01/10/84-12/12/84 LI 0.300
-LT 0.400 BY CHEMICAL SEPARATION C00/031 SR-89 14 2.0 LT 2.0 LT 0.900
.LT 2.0 sg 000/014 0 01/10/84 12/12/84 SR.90 14 1.4 1.54 1.54 0 01/10/84 12/12/84 0.94 2.3 61 011/014 0.94 2.3 011/014 STATION 61 3.5 MI. 326 DEG. IND.
K-40 14 140.0
- 1282, 1282.
0 01/10/84-12/12/84 984.0.
1490. 61 014/014 984.
1490.
014/014 STATION 61 3.5 MI. 326 DEG. IND I.131 14 0.7800 LT 50.0 0 01/10/84-12/12/84 LT 4.00
-LT 50.0 SY GAMMA SCAN 000/014 CS-137 14 9.00 LT 8.0 LT 4.00
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k ADIDLOGIC AL ENVIRONMENI AL MGNiiORING PRb6 RAM SUMMARV PAIHw&Y-halfas6kNE COMPIL AT ION - VEARLY sum 1Akr SAMPLE - mairR - k l WE k NERN ASKA PuullC PowEk OtSikiCT C uteIRut - $14110.4 12 - 0.1 MI. 360 DEG. CO LUuPER NUCLEAR SI4180N LNIIS PC I /L II E S Ak&L v a l s ho L I Mil ut 4L L t hDIL 4 IbH 54MPLES LOCar iaN mIIH HIG<tE SI ME AN C ONik ot L OC AllON NON-NEPuallNG PERICO litifCiluN MEAN s E-00 MEAN X E-Oo ME A h a E- 00 WouilNE I
MIAN 4 E-00 MANGE STAllON f#4Cil0N MAHuE 6 t hGE th4CiluN ST Alluh OL SCRIPiluis FNACIl0N i
1-1 31 (a) 12 9.00 LI 500.0 Li 4 00.0 0 01/10/d4-12/11/84 LI 4J0.0
-Li $00.0 000/012 LI 20.0 0
-Li 400.0 000/004
( 5-1 11 (a) Il
- 9. 0J Li 5.00 LI 4.00 0 01/10/84-12/11/84 Li 4.00
-LI S.03 (j
000/012 LI 3.00
-LI 4.03 000/004 ti-3 (a) 12 143.
343.
405.
331.
0 01/10/b4-12/11/84 247.
40 5 28 004/004 160.
- 160.
220.
590.
012/012 SIAIION 28 - 1.0 Mt. ISO ut b. INu.
004/004 (a) A tritium analysis and gamma scan are performed on the quarterly composite only.
4 e
N ADIOLOGIL AL ENVIRONMENIAL MONIfuklNG PkUGRAM
SUMMARY
PATHWAY-INGESTION COMPILAll0N - VEAH4Y SUM 1ARY 4EDR ASEA PuutIC power DISTRICT SCMPtf - HABBITS ANIM4LS C ON E ROL UNII5 - PCl/CM MET CouPER NUCLE AR SIAil0N ONALV535 NO L lill OF ALL INDIC ATOR 5 4 *pt E h LOCAllON WIIH HIGHESI Mt4N CONIR OL L uC A T IGN Nutd-HEPORTING PERl00 JFIECilON MLAN A E-ou MEAN 4 E-00 MEAN E E-00 ROUTINE i
NFAN E E-10 R 4r4GE SIAllON FRACIION HANut S A NGE skACilch ST All uN of 5EkiP ilON FRACilON 3-131 1
-LI 0.600 BY CHEMICAL SEPARATION 0 11/27/84-11/27/84 000/001 5H-89 i
LI 0.0200 FEMUR LI 0.0200 -LI 0.0200 0 11/2 F/ b4-11/2 F/89
, p3 000/001 00 Sh-90 1
0.c110 0.0150 0 11/27/84-11/2F/d4 TEMUR 0.0110 -
0.0110 28 001/001 0.0110 -
0.0110 001/001 STATION 28 - 1.m Mt. 150 deb. IND.
K-40 1
3.93 3.93 FLESH 3.93 3.93 2a 001/001 3.93 3.93 0 11/2 T/84-11/2 F /84 001/031 SI4flON 28 - 1.8 MI. 150 DEG. INu.
1-131 1
LI 0.07000 FLESH LI 0.07000-LI 0.0F000 BY GAMMA SPECTROSCOPY 0 11/2 T/84-11/2 7/ 84 000/001 I
C 5-13 F 1
Li 0.04000 l
F1E5H LI 0.04000-LI 0.04003 0 11/ 2 T/ 84-11/2 7 /84
}
000/001
RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM $UMMARY PATHWAY - AQUATIC COMPILATION - ANNUAL
SUMMARY
NE8RASKA PUBLIC POWER DISTRICT SAMPLE. VEGETATION. AQUATIC CONTROL. STATION 12 0.1 MI. 360 DEG. CO COOPER NUCLEAR STATION UNITS. PCI/GM WET ANALYSIS NO LIMIT OF ALL INDICATOR SAMPLES LOCAll0N WITH HIGHEST ME AN CONTROL LOCATION NON-REPORTING PERIOD DETECTION MEAN X E-00 MEAN X E-00 RANGE MEAN X E.00 MEAN X E-00 ROUTINE STATION FRACTION RANGE RANGE FRACTION STATION DESCRIPTION FRACTION Go s amples of Aquat ic Veget at ion were collected in the spring or fall of 1984. The fluctuet tng level of the Missourt River prevented the accumulation of aquat ic veget at ion.
tv LO
i 1
9 4J10L OGI C AL ENVIPONMLNIAL MONIILDING PMOGkAM SUMMAny A
P 4T Hd4 V-AIR 60kNE COMPIL 4110N - VE ARL V SUM 1 AE F NEbP ASEA PUBLIC power pl5TRICT SANPtF 50 IL CONip0L -
COOPER NUCLEAR SIAil0N UNIT 5 PCl/GM mLT ANAL VS I S Nu limit Of AL L INDICATOE S4MPLES L OC ATION mlIH HIGHE ST dt AN CONip LL LOC All0N NGN*
- EPDRilNG PERIDO DEIECil0N MEAN a E-po ddAN 4 E-00 ME AN K E-03 F. Oui! NE Mf 4N 4 E-0J E A*d G E S I4 T I ON F R 4C ll uN MANwE k4hGE 19401807.
SI AlluN of 5Ldielloh thACil0N t
k l
l SH-90 3.0200 0.1 74 0.J0C 0 09/25/84-09/25/s4 i
0.0760 -
0.300 09 001/001 0.3)J 0.s00
+
010/011 SI4 TION 09 - 7.25 MI. 135 OEG. IND.
H E-1 O.2300 0.2260 J.2l30 0 09/25/d*-09/25/84 0.1930 -
0.2130 04 005/001 0.2F3G -
0.2730 003/0!!
SIATION 04 3.0 48. 4J DEG. INU.
n-40 3.4700
!$.11 1F.15 0 09/25/84-09/25/84 11. 10 17.15 ui 002/002 16.60 11.10 011/011 SI4lluN OF - 2.5 N1. 230 dew. INO.
I l-135 11 0.03100 II 0.2000 0 09/25/84-09/25/84 LI 0.07000-LI 0.2000 000/0!!
C 5-13 F J. 0 3100 0.3960 0.1060 0 09/25/a4-09/25/84 0.02510-0.1060 09 001/001 0.1060 -
0.F060 011/011 S I AT I ON 09 - 7.25 NI. 335 OLG. IND.94-226 11 0.1100 1.91 2.11 0 09/25/84-09/25/84 1.17
- 2. 78 09 001/001
- 2. 71 ' -
2.71 I
011/0!!
SI4 TION 09 F.45 Mt. 335 JEG. INO.
I I
i Itt-224 11 0.1130 1.07 1.21 0 09/25/84-09/25/84 1
0.6720 -
I.21 06 002/002 1.11 1.44 311/081 blAIION 06 3.0 Mt. 165 DEG. I I.O.
RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
SUMMARY
PATHWAY - GAMMA EXPOSURE COMPILATION - ANNUAL
SUMMARY
SAMPLE. E NVI RONME N T AL TLD UNI TS - mR/YE AR CONTROL NEBRASK A PUBLIC POWER DISTRICT COOPER NUCLEAR STATION ANALVSl5 NO LIMIT OF ALL INDICATOR SAMPLES LOCATION WITH HIGHEST MEAN CONTROL LOCATION NON-REPORIING PERIOD DETECTION ME AN X E.00 ME AN X E -00 MEAN X E.00 ROUTINE ME AN X E.00 RANGE STATION FRACil04 RANGE RANGE FRACil0N
....................................................... STATION DESCRIPil0N FRACTION TLO 64 2mR 0 01/05/84 01/04/85 Total 12.8 mR 168.1 mR Esposure/ year 68.4 168.1 01 004/004 064/064 STATION 01 - 0.1 MI 225 OEG. INO.
I W
e-*
1 i
l l
T TELEDYNE ISOTOPE 9 PART II Discussion of Results, Impact on the Environment and Statistical Sumary for Each Quarter 32
TTELEDfME ISOTOPES A and B.
AIR PARTICULATE SAMPLES - GROSS BETA AND GROSS ALPHA (See Tables A A-4, 8 B-4)
STATIONS 01 to 10 Air particulates were collected continuously on membrane filters which were changed weekly at Stations 01 through 10.
The filters were shipped to Teledyne Isotopes and analyzed for gross beta and gross alpha activity. They tere composited for each station quarterly and monitored for gama activity (See Tables 0-1 and 0-2).
The gross beta activity for each quarter of 1983 and 1984 is sumarized below:
1983 First Quarter 0.024 pCi/Cu. M.
Second Quarter 0.019 pCi/Cu. M.
Third Quarter 0.025 pCi/Cu. M.
Fourth Quarter 0.039 pCi/Cu. M.
1984 First Quarter 0.027 pCi/Cu. M.
Second Quarter 0.016 pCi/Cu. M.
Third Quarter 0.028 pCi/Cu. M.
Fourth Quarter 0.031 pCi/Cu. M.
The level of gross beta activity has returned to normal environmental levels since the Chinese at/iospheric nuclear weapons testing in 1980 in-creased levels worldwide.
There was an increase in gross beta levels in the fourth quarter of 1984 because of the increased activity monitored in the month of December. This increase in both gross beta and gross alpha activity in this month could be related to weather conditions or to an increase in particulate matter on the filters.
A trend of the same magnitude was found at other midwestern sites.
The gross alpha activity (Tables B-1 through B-4) continues low and close to the limits of detection with a slight increase in December as noted above. This low gross alpha activity is probably due to alpha emitters found in soil and to cosmogenic radiation.
The gross beta particulate levels in all of the stations are similar to other areas of the United States and indicate no influence from the operations of the Cooper Nuclear Station (CNS) of the Nebraska Public Power District.
33 l
TTEi.EtWE ISOTOPES TABLE A-1 WEEKLY COLLECTIONS NE8RASKA PUBLIC POWER DISTRICI FIRST QUARTER 1984 (JANUARY-MARCH)
COOPER NUCLEAR STAil0N EXPOSURE PATHWAY - AIRBORNE AIR PARI!CULATE FILIERS pct /Cu. M.
$ AMPLE
$iAILON MONTHLY
SUMMARY
MONTHLY
SUMMARY
MONTHLY $UMMARY QUARTERLY
SUMMARY
NUEllD[
NUMBER 12/27/83-01/31/84 01/31/84-02/28/84 02/28/84-03/27/84 12/27/83-03/27/84 AIR PARilCULATE 01 3.6 1 1.0 E-02 2.7 2 0.3 E -02 2.4 2 0.4 E-02 2.9 0.8 E-02 FILIERS GROSS BE T A 02 3.1 1 1.0 E-02 2.2 a 0.3 E-02 2.1 1 0.4 E-02 2.5 1 0.8 E-02 03 3.3 1.2 E-02 2.4 1 0.3 E-02 2.2 2 0.4 E-02 2.9 1 1.G E-02 04 3.6 t 1.0 E-02 2.5
- 0. 7 E -02 2.3 2 0.3 E-02 2.8 t 0.9 E-02
[]
05 3.2 2 1.1 E-02 2.3 1 0.4 E-02 2.1 t 0.5 E-02 2.6 1 0.9 E-02 4
06 3.8 t 1.1 E-02 2.6 0.1 E-02 2.2 1 0.4 E-02 2.9
- 1.1 E-02 07 3.2 t 1.1 E-02 2.2 1 0. 3 E -02 1.9 1 0.4 E-02 2.5
- 0.9 E-02 08 3.1 1 1.1 E-02 2.0 2 0.4 E-02 1.9 t 0.4 E -02 2.4 1 0.9 E-02 09 3.0 1 0.8 E-02 2.4 1 0.6 E-02 2.1 1 0.4 E-02 2.5 t 0.7 E-02 10 3.5 t 1.1 E-02 2.6 t 0.4 E-02 2.1 1 0.5 E-02 2.8 t 1.0 E-02 AVERAGE 01-10 3.3 t 1.0 E-02 2.4 1 0.5 E-02 2.1 t 0.4 E-02 2.7 1 0.9 E-02 AlL STAil0NS E and s Grand i and s
WTELEDfME ISOTOPES TABLE A-2 WEEKLY COLLECTIONS NEBRASKA PUBLIC POWER DISTRICI SECOND QUARTER 1984
( APRIL -JUNE)
COOPER NUCL EAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARTICULATE FILIERS pCl/Cu. M.
SAMPLE SIA110N MONIHLY
SUMMARY
MONTHLY
SUMMARY
MONTHLY $UMMARY QUARTERLY
SUMMARY
NuCL IDE NUMBER 03/27/84-05/01/84 05/01/84-05/29/84 05/29/84-07/02/84 03/27/84 07/02/84 AIR PARTICULATE 01 1.5 1 0. 2 E -02 1.9 2 0.1 E -02 1.7 1 0.5 E-02
- 1. 7
- 0. 3 E -02 FILIERS GROSS BE T A 02
- 1. 3
- 0. 3 E -02 1.8 0.2 E -02 1.6 1 0.5 E-02 1.6.1 0.4 E-02 03 1.3 2 0.1 E-02(a) 1.7 2 0.5 E-02(b) 1.9 2 0.8 E-02(c) 1.6
- 0.5 E-02 04 1.6 2 0. 3 E -02 2.1 1 0. 3 E-02 1.5 1 0.4 E-02 1.7 1 0.4 E-02 05 1.4 1 0.2 E-02 2.0 t 0.3 E-02 1.6 1 0.5 E-02 1.6 2 0.4 E-02 06 1.4 2 0. 3 E-02 1.8 2 0.2 E -02 1.6 2 0.6 E-02 1.6 2 0.4 E-02 07 1.5 1 0.2 E -02 1.9 1 0.2 E-02 1.6 t 0.4 E-02 1.6 2 0.3 E-02 08 1.2 2 0.1 E-02 1.7
- 0.1 E-02 1.4 1 0.6 E-02 1.4 1 0.4 E-02 09
- 1. 4
- 0.1 E -02 1.9 2 0.2 E-02 1.5 t 0. 3 E -02 1.6 1 0.3 E-02 10 1.5 t 0. 3 E -02 2.2 2 0.4 E-02 1.7 2 0.5 E-02 1.8 2 0.5 E-02 AVERAGE 01-10 1.4 0.2 E-02 1.9 2 0.3 E-02 1.6 1 0.5 E-02 1.6 1 0.4 E-02 ALL STAil0NS i and s Grand i and 5 (a) No Air Particulate Filters were collected at Station 03 for the weeks of 04/10-04/17. 04/17-04/24 or 04/24-the area was inaccessible due to flooding.
(b) No Air Part iculate F titer was collected ~ at St at ion 03 for the week of 05/01-05/08. On 05/15 the area b Air Particolate was collected for the period 04/10-05/15.
(c) No Air Part iculate f liters were collected at St ation 03 for the weeks of 06/12-06/19, 06/19-06/26 or 06/26-07/02 because of the return of flooding in the area.
WTELEgwE ISOTOPES TABLE A-3 WEEKLV COLLECTIONS THIRD QUARTER 1984 NE8RASKA PUBLIC POWER DISTRICT (JULY -- SEPTEM8ER)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARTICULATE FILTERS pCl/Cu. M.
SAMPLE SIAll0N MONIHLY
SUMMARY
MONTHLY
SUMMARY
MONTHLY
SUMMARY
QUARTERLY
SUMMARY
NUCL IDE _,_,,,,, NUMBER
,,_,_,07/02/84-07/31/84 07/31/84-08/28/84 08/28/84-10/02/84 07/02/84-10/02/84 AIR PARitCJLAIE 01 2.5 t 0.2 E-02 3.4 2 1.0 E-02 3.4 1 0.4 E-02 3.1 1 0.7 E-02 FitIERS GR055 8E T A 02 2.4 a 0.4 E-02 3.2
- 0.8 E-02 2.3 0.1 E-02 2.6 t 0.6 E-02 03 2.4 0.2 E-02(a) 3.1 1 0.7 E-02 2.4 2 0.2 E-02 2.6
- 0.5 E-02 04 2.5 t 0.3 E -02 3.1 a 0.9 E-02 2.8 1 0.3 E-02 2.8 2 0.6 E-02 05 2.4 1 0.5 E-02 3.3 1 0.9 E-02 2.4 1 0.2 E -02 2.7 t 0.7 E-02 to Ch 06 2.5 2 0. 3 E -02 3.4 2 0.9 E-02 2.6 1 0.5 E-02 2.8 1 0.7 E-02 07 2.1 0.4 E-02 3.1 0.7 E-02 2.5 2 0.5 E-02 2.6.2 0.6 E-02 08 2.2 2 0. 2 E -02 3.1 2 0.8 E-02 2.5 2 0.4 E-02 2.6 1 0.6 E-02 l
09 2.5 t 0.4 E-02 3.7 2 0.9 E-02 2.8 1 0.4 E-02 3.0 2 0.8 E -02 l
10 2.6 1 0.6 E-02 3.5 2 0.8 E-02 2.8 2 0.5 E-02 2.9 1 0.7 E-02 AVERAGE 01-10 2.4 1 0.4 E-02 3.3
- 0.8 E-02 2.7
- 0.5 E-02 2.8 1 0.7 E-02 ALL STATIONS x and s Grand x and s (a) No Air Particulate Fliter was collected at Station 03 for the week of 07/02-07/10 because of flooding in the area.
WTELEDrtE ISOTOPES TABLE A-4 WEEKLY COLLECiIONS NEBRASKA PUBLIC POWER OISTRICT FOURTH QUARTER 1984 (OCTOBER -- DECEM8ER)
COOPER NUCLEAR stall 0N EXPOSURE PATHWAY - AIR 80RNE AIR PARTICULATE FIL TERS pct /Cu. M.
SAMPLE stall 0N MONTHLY
SUMMARY
MONTHLY
SUMMARY
MONTHLY
SUMMARY
QUARTERLY
SUMMARY
NUCL 10E NUMBER 10/02/84-10/30/84 10/30/84-11/27/84
!!/21/84-01/02/85 10/02/84-01/02/85 AIR PARTICULATE 01 3.1 1 0.9 E-02 2.6 0.4 E-02 4.0 2 1.0 E-02 3.3
- 1.1 E-02 FILTERS GROSS 8E T A 02 2.8 2 0.8 E-02 2.6 2 0.4 E-02 3.9 1 0.9 E -02 3.1 1 0.9 E-02 03 2.6 2 0.1 E-02 2.6 2 0.2 E-02 3.1 1 0.7 E -02 (a) 3.0 1 0.8 E-02 04 3.1 t 1.1 E -02 2.7 t 0.3 E-02
-4.3 1 0.6 E-02 (a) 3.4 1 1.0 E-02 05 2.6 t 1.0 E-02 2.8 2 0.2 E-02 4.2 t 0.9 E-02 (a) 3.2 2 1.0 E-02 06 2.8 t 1.1 E -02 2.9 2 0.5 E-02 4.5 1 0.7 E-02 ( a) 3.4 1 1.1 E-02 07 2.4 a 1.0 E-02 2.4 2 0.2 E -02 4.1 10.6 E-02 (a) 3.0
- 1.0 E-02 08 2.4 t 0.8 E -02 2.7 2 0.5 E-02 3.1 1 0.3 E-02 (a) 2.9 a 0.8 E-02 09 2.1 2 0.8 E-02 2.8 1 0.3 E-02 4.3 2 0.8 E-02 (a) 3.2 2 1.0 E-02 10 2.9 t 0.8 E-02 2.6 1 0.2 E-02 3.3 1 0.8 E-02 2.9 1 0.7 E -02 AVERAGE 01-10 2.7
- 0.8 E-02 2.1 1 0.3 E-02 4.0 1 0.8 E-02 3.1 1 0.9 E-02 ALL STATIONS I and 5 Grand i and 5 (c) The air part iculate filters for St at ions 03-09 were lost in transit for the week of 12/11-12/18.
TTELEDVpE ISOTOPES TABLE B-1 WEEKLY COLLECTIONS NE8RASKA PUBLIC POWER DISTRICT FIRST QUARTER 1984 (JANUARY-MARCH)-
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARilCULATE FILTERS pC l /Cu. M.
SAMPLE STAil0N MONIHLY
SUMMARY
MONTHLY
SUMMARY
MONTHLY
SUMMARY
QUARTERLY
SUMMARY
MUCLIDE NUMBER 12/27/83 01/31/84 01/31/84-02/28/84 02/28/84-03/27/84 12/27/83-03/27/84 AIR PARTICULATE 01 2.1 1 0.7 E -03 2.7
- 1.1 E-03 1.7 2 0.6 E-03 2.2 1 0.9 E-03 flLIERS GROSS ALPHA 02 2.4 1.1 E -0 3
!.7 1 0.7 E-03
!.8 2 0.5 E-03 1.9 t 0.8 E-03 03 2.0 t 1.0 E-03 2.6
- 0. 7 E -03 1.3 2 0.5 E-03 2.0 1 0.9 E-03 04 1.9 1 0.8 E-03 2.0 1 1.1 E-03 2.2 t 1.0 E-03 2.0 1 0.9 E-03 05 2.4 2 0.1 E-03 2.3 1.0 E-03 1.8 2 0.6 E-03 2.2 1 0.8 E-03 06 2.7
- 1.4 E-03 2.7 1 1.0 E-03 2.0 1 0.7 E-03 2.5
- 1.1 E-03 07 2.2 t 1.0 E-03 2.0 t 0.8 E-03 1.8 1 0.6 E-03 2.0 2 0.8 E-03 08 1.8 2 0.4 E-03 1.8
- 0.5 E-03 1.6 1 0.4 E-03 1.7
- 0.4 E-03 09 2.0 1 0.9 E-03 2.0 t 0.7 E-03 1.7 0.6 E-03 1.9
- 0.7 E-03 10 2.4
- 1.2 E-03 2.3 1 1.0 E-03 1.7 2 0.7 E-03 2.2 1 1.0 E-03 AVERAGE 01-10 2.2 2 0.9 E-03 2.2 2 0.9 E-03 1.1 2 0.6 E-03 2.1
- 0.8 E-03 ALL stall 0NS I and s Grand i and s i
1
TTELEDHE SSOTOPES TABLE B-2 WEEKLY COLLECil0NS NE8R ASKA PUBLIC POWER DISTRICT SECOND QUARTER 1984 (APRIL - JUNE)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARTICULATE FILTERS pCl/Cu. M.
SAMPLE 51A110N MONTHLY
SUMMARY
MONTHLY SUMMARV MONTHLY
SUMMARY
QUARTERLY
SUMMARY
NUCLIDE NUM8ER 03/27/84-05/01/84 05/01/84-05/29/84 05/29/84 07/02/84 03/27/84-07/02/84 L
AIR PAR 11CULA1E 01 1.6 1 0.4 E-03 2.1 1 0.3 E-03 1.5 t 0.4 E-03 1.7 t 0.4 E-03 flLIERS GR055 ALPHA 02 1.5 2 0.5 E-03 1.4 2 0.5 E-03 1.4 t 0.5 E-03 1.4 2 0.5 E-03 03 1.5 1 0.7 E-03(a) 1.1 1 0.5 E-03(b) 1.6 1 0.9 E-03(c) 1.4 1 0.6 E-03 04 1.5 t 0.5 E-03 1.8
- 0.7 E-03 1.4 t 0.6 E-03 1.5 1 0.6 E-03 05 1.6 0.6 E-03 1.6 2 0.8 E-03 1.3 2 0.5 E-03 1.5 1 0.6 E-03 06 1.4 2 0.5 E-03 1.8 2 0.7 E-03 1.7 0.6 E-03 1.6 2 0.6 E-03 01 1.7 0.7 E-03 2.1 1 0.9 E-03 1.8 t 0.6 E-03 1.9 1 0.7 E-03 08 1.5 0.4 E-03 1.8 2 0.5 E-03 1.8 t 1.0 E-03 1.7 1 0.7 E-03 09 1.7 1 0.5 E-03 1.7 2 0.3 E-03 1.6 2 0.4 E-03 1.7 1 0.4 E-03 10 1.4 2 0.5 E-03 1.7 2 0.5 E-03 1.5 1 0.5 E-03 1.5
- 0.5 E-03 AVERAGE 01-10 1.6 2 0.5 E-03 1.7
- 0.6 E-03 1.6 2 0.6 E-03 1.6 1 0.5 E-03 ALL STAil0NS I and s Grand I and s (a) No Air Particulate Filters were collected at Station 03 for the weeks of 04/10-04/11. 04/17-04/24 or 04/24-05/01 because area was inaccessible due to flooding.
(b) No Air Particulate F titer was collected at St at ion 03 for the week or 05/01-05/08. On 05/15 the area became accessible an Air Part iculate was collected for the period 04/10-05/15.
(c) No Air P art iculat e i tit ers were collect ed at St at ion 03 f or the weeks of 06/12-06/19, 06/19-06/26 or 06/26-07/02 because of the return of flooding in the area.
1
WTHEDVIEE ISOTOPES TABLE 8-3 WEEKLY COLLECTIONS THIRD QUARTER 1984 NE8RASKA PUBLIC POWER DISTRICI (JULY - SEPTEMBER)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE AIR PARTICULATE FILTERS pct /Cu.
M.
SAMPLE STATION MONTHLY
SUMMARY
MONTHL Y
SUMMARY
MONTHLY
SUMMARY
QUARTERLY SUMMARV huCilDE NUMBER 07/02/84-07/31/84 07/31/84-08/28/84 08/28/84-10/02/84 07/02/84-10/02/84 AIR PARIICULATE 01 1.6
- 0. 3 E -03 1.9 2 0.4 E-03 1.8 1 0.7 E-03 1.8 2 0.5 E-03 FILIERS GROSS AtPHA 02 1.4 2 0.7 E -03 1.7 1 0.7 E-03 2.2 1 0.5 E-03 1.8 1 0.7 E-03 03 1.4 t 0.4 E-03(a) 2.6 s 1.0 E -03 1.8 0.5 E-03 2.0 t 0.8 E-03 04 2.6 1 1.3 E-03 2.6 t 0.2 E-03 1.5
- 0.5 E-03 2.2 2 0.9 E-03 05 1.8 1 0.6 E-03 1.7
- 0.3 E-03 1.5 t 0.5 E-03 1.7 1 0.5 E-03 o
06 1.6 1 0.8 E-03 2.3 2 0.7 E-03
- 1. 8
- 0. 3 E -03 1.9 1 0.6 E-03 07
- 1. 6
- 0. 3 E -0 3 2.2 2 0.7 E-03 1.7 t 0. 7 E-03 1.9 2 0.6 E-03 08 1.8 2 0.8 E-03 1.8 0.4 E-03 2.0 t 1.2 E-03 1.9 1 0.8 E-03 09 1.4 1 0.7 E-03 1.7 2 0.5 E-03 1.4 t 0.6 E-03 1.5 t 0.6 E-03 10 2.4 t 1. 2 E -0 3 2.3 2 0.6 "-03 2.0 t 0.2 E-03 2.2 1 0.7 E-03 l
AVERAGE 01-10 1.8
- 0.8 E-03 2.1 2 0.6 E-03 1.8
- 0.6 E-03 1.9 1 0.7 E-03 ALL STATIONS E and 5 Grand i and s (a) No Air Particulate Filter was collected at Station 03 for the week of 07/02-07/10 because of flooding in the area.
W N ISOFOPES T ABLE 8-4 WEEKLY COLLECil045 NE8RASK A PUBLIC POWER DISTRICT FOURTH QUARTER 1984 (OCTOBER-DECEM8ER)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE-AIR PARTICULATE FILIERS pct /Cu. M.
SAMPLE STA110N MONTHLY $UMMARY MONTHLY SUMMARV MONTHLY
SUMMARY
QUARTERLY
SUMMARY
OUCLIDE NUMBER 10/02/84-10/30/84 10/30/84-11/27/84 11/27/84-01/02/85 10/02/84-01/02/85 AIR PARilCULATE 01 1.6 2 0.5 E-03 1.8 1 0.5 E-03 2.7 2 0.7 E-03 2.1 1 0.7 E-03 FILIERS GROS $ ALPHA 02 2.0 2 0.3 E-03 1.8 2 0.5 E-03 2.8
- 1.0 E-03 2.2 1 0.8 E-03 03 1.5 1 0.8 E-03 1.6
- 0.8 E-03 2.3
- 0.5 E-03 1.8
- 0.7 E-03 04 1.5 1 0.6 E-03 2.0 t 0.3 E-03 3.3 t 1.1 E-03 2.2 2 1.0 E-03 05 1.5 t 0.4 E-03 2.0 t 0.5 E-03 3.2
- 0.2 E-03 2.2 1 0.8 E-03 a
06 1.9 1 0.5 E-03 2.3 2 0.3 E-03 3.2 2 1.1 E-03 2.4 2 0.9 E-03 07 1.5
- 0.6 E-03 2.1 1 0.5 E-03 2.9
- 0.8 E-03 2.1 1 0.8 E-03 08 1.8 2 0.9 E -03 2.2
- 1.1 E-03 1.7 2 0.6 E-03 1.9
- 0.8 E-03 09 1.9 1 0.4 E-03 1.9
- 1.1 E-03 2.8
- 0.9 E-03 2.2 1 0.9 E-03 10 1.9 2 0.9 E-03 1.6 1 0.7 E-03 2.4 1 0.9 E-03 2.0 2 0.8 E-03 AVERAGE 01-10 1.7 2 0.6 E-03 1.9 1 0.6 E-03 2.7 2 0.9 E-03 2.1 2 0.8 E-03 ALL STATIONS a and 5 Grand x and s
l i
TTELEDYNE I
ISOTOPES l
C.
AIR RADI0 IODINE - CHARC0AL FILTERS (See Tables C-1 through C-4)
STATIONS 01 to 10 Charcoal filters used in series with air particulate filters were col-lected weekly during 1984 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 for all 10 stations.
No airborne I-131 was detected; all results were at or below the normal level of detection.
There were no charcoal filters collected from Station 03, 2.5 miles, 338 degrees for 8 weeks from 04/10/84 to 07/10/84 because severe flooding made the area inaccessible.
One filter was collected for the period 04/10 to 05/15.
Lack of any detections of I-131 supports the conclusion that no detect-able radionuclides were emitted in air releases from the Cooper Nuclear Station (CNS).
42
WTELEDIfME ISOFDPES TABLE C-1 WEEKL Y COLLECTIONS NE8RASKA PUBLIC POWER DISTRICT FIRST QUARTER 1984 (JANUARY-NAACN)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIRBORNE CHARCOAL FILTERS pct /Cu. M.
SAMPLE Stall 0N MONIHLY
SUMMARY
MONIHL Y
SUMMARY
MON THL Y
SUMMARY
QUARTERLY
SUMMARY
DET./
NUEL IDE NUMBER 12/21/83-01/31/84 01/31/84 02/28/84 02/28/84-03/27/84 12/27/83-03/21/84 TOTAL RANGE CHARE 0AL 01 L.I.
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.5.)E-02 FITTER 5 1-131 02 L.T.
5.
E-02 L.I.
4.
E-02 L.T.
4 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.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.3.-L.T.5.)E-02 05 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 w
06 L.T.
4.
E-02 L.T.
4 E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)E-02 07 L.T.
4.
E-02 L.T.
4 E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 ( L. T.2. -L. T. 4. )E -02 08 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)E-02 09 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L. T.2. -L. T.4. )E -02 10 L.T.
4 E-02 L.T.
3.
E-02 L.T.
3.
E-02 L.T.
4.
E-02 0/13 (L.T.I.-L.T.4.)E-02 01-10 L.T.
5.
E-02 L.T.
4 E-02 L.T.
4.
E-02 L.T.
5.
E-02 DE T. / TO T AL 0/50 0/40 0/40 0/130 0/130 RANGE (L.T.3.-L.T.5.)E-02 (L. T. 2. -L.T.4. )E -02 (L.T. 3. -L. T. 4. )E -02 (L. T. 3.-L. T.5. )E -02
WTELEDyfE ISOTOPES TABLE C-2 WEEKLY COLLECTIONS SECOND QUARTER 1984 NEBRA5KA PUBLIC POWER Dl5TRICT (APRIL-JuME)
COOPER NUCLE AR STATION EXPOSURE PATHWAY - AIR 80RNE CHARCOAL FILTERS pct /Cu. M.
SAMPLE STATION MONTHLT $UMMARY MON T HL Y
SUMMARY
MONIHLY
SUMMARY
QUARTERLY
SUMMARY
DET./
NuCLIDE NUMBER 03/27/84-05/01/84 05/01/84-05/29/84 05/29/P4-07/02/84 03/21/84-07/22/84 TOTAL RANGE CHARCOAL 01 L.I.
4.
E-02 L.I.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/14 (L.T.3.-L.T.6.)E-02 f it TERS l-131 02 L.I.
4.
E-02 L.I.
4.
E-02 L.T.
6 E-02 L.T.
6.
E-02 0/14 (L.T 3.-L.T.6. )E -02 03 L.I.
4.
E-02 L.I.
4.
E-02 L.I.
4.
E-02 L.I.
4.
E-02 0/14 (L.T.3.-L.T.4.)E-02 (a)
(b)
(c) 04 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/14 (L.T.3.-L.T.6.)E-02 j;
05 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/14 (L.T.2.-L.T.6.)E-02 06 L.I.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4 E-02 0/14 (L.T.2.-L.T.4.)E-02 01 L.T.
4.
E-02 L.I.
4.
E-02 L.I.
4 E-02 L.T.
4.
E-02 0/14 (L.T.2.-L.T.4.)E-02 08 L.T.
4.
E-02 L.I.
4.
E-02 L.T.
4.
E-02 L.I.
4.
E-02 0/14 (L.T.2.-L.T 4.)E-02 09 L.T.
4.
E-02 L.I.
4.
E-02 L.T.
4.
E-02 L.I.
4.
E-02 0/14 (L.T.2.-L.T.4.)E-02 10 L.T.
3.
E-02 L.I.
3.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/14 (L.I.I.-L.T.4.)E-02 01-10 L.T.
4.
E-02 L.I.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 DE T. / iO T AL 0/47 0/39 0/47 0/133 0/133 RANGE (L.T. 3. -L.I.4. )E -02 (L.T.3.-L.T.4.)E-02 (L.T.4.-L.T.6.)E-02 (L.T.4.-L.T.6.)E-02 (a) No Charcoal Filters were collected at St at ion 03 f or the weeks of 04/10-04/11, 04/17-04/24, or 04/24-05/01 because the area was inaccessible due to flooding.
(b) No Charcoal Filter was collected at St at ion 03 f or the week of 05/01-05/08. On 05/15 the area became accessible and a Charcoal Filter was collected for the period 04/10-05/15.
(c) No Charcoal F titers were collected at St at ion 03 f or the weeks of 06/12-06/19, 06/19-06/26 or 06/26-07/02 because of the re-turn of flooding to the area.
WTELEEprpE N TABLE C-3 WEEKLY COLLECTIONS THIR0 QUARTER 1984 NE8RASKA PUBLIC POWER OISTRICT (JutT-SEPTEntER)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIR 80RNE CHARCOAL FILTERS PCl/Cu. M.
SAMPLE SIAll0N MON THL Y $UMMARY MONTHLY
SUMMARY
NONTHL Y SUMMARV QUARTERLY
SUMMARY
DET./
NUELIDE NUMBER 07/02/84-01/31/84 07/31/84-08/28/84 08/28/84-10/02/84 07/02/84-10/02/84 TOTAL RANGE CHARCOAL 01 L.T.
4 E.02 L.T.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/13 (L.T.3.-L.T.6.)E-02 FITTERS I-131 02 L.T.
4.
E.02 L.I.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/13 (L.T.3.-L.T.6.)E-02 03 L.T.
5.
E-02 L.T.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/12 (L. T. 3.-L.T.6. )E-02 04 L.T.
4.
E-02(a)
L.T.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 0/13 (L.T.3.-L.T.6.)E-02 05 L.T.
4 E-02 L.T.
2.
E-02 L.T.
3.
E-02 L.T.
4 E-02 0/13 (L.T.I.-L.T.4.)E-02 s
06 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
5.
E-02 L.T.
5.
E-02 0/13 (L.T.2.-L.T.5.)E-02 07 L.T.
4.
E-02 L.T.
4.
E-02 L.I.
5.
E-02 L.T.
5.
E-02 0/13 (L. T.2. -L. T.5. )E-02 08 L.T.
4.
E-02 L.I.
4.
E-02 L.T.
5.
E-02 L.T.
5.
E-02 0/13 (L. T. 2. -L. T.S. )E -02 09 L.T.
4.
E-02 L.I.
4.
E-02 L.I.
5.
E-02 L.T.
5.
E-02 0/13 (L.T.2.-L.T.5.)E-02 10 L.T.
2.
E-02 L.T.
2.
E-02 L.T.
5.
E-02 L.T.
5.
E-02 0/13 (L.T.I.-L.T.5.)E-02 01-10 L.T.
5.
E-02 L.T.
4.
E-02 L.T.
6.
E-02 L.T.
6.
E-02 DE T./TO T AL 0/39 0/40 0/50 0/129 0/129 RANGE (L.T.2.-L.T.5.)E-02
( L. I. 2. -L.T.4. )E -02 (L. T. 3. -L. T.6. )E -02 (L. T.4. -L. T. 6. )E -02 (a) No Eharcoal filter was collected at St at ion 03 for the week of 07/02-07/10 because of flooding in the area.
l l
J
WTELEDVNE ISOTOPES TABLE C-4 WEEKLY COLLECTIONS NE8RA5KA PUBLIC POWER. DISTRICT FOURTH QUARTER 1984 (OCTOBER-DECEMBER)
COOPER NUCLEAR STATION EXPOSURE PATHWAY - AIR 8ORNE CHARCOAL FILTERS pCi/Cu. M.
SAMPtE SIAll0N MONIHLY SUMMARV MUN THL Y
SUMMARY
MONTHLY
SUMMARY
QUARTERLY
SUMMARY
DET./
NUCLIDE NUMBER 10/02/84-10/30/84 10/30/84-11/27/84 11/27/84-01/02/85 10/02/84-01/02/85 TOTAL RANGE CHARC0AL 01 L.I.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02.
L.T.
4 E-02 0/13 (L.T.2.-L.T 4.)E-02 FILTERS I-131 02 L.I.
4 E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)E-02 03 L.I.
4.
E-02 L.I.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L. T.2. -L. T.4. )E -02 04 L.T.
4.
E-02 L.I.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)t-02
=
05 L.T.
2.
E-02 L.I.
2.
E-02 L.I.
2.
E-02 L.T.
2.
E-02 0/13 (L.T.I.-L.T.2.)E-02 or 06 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
l-02 L.T.
4.
E-02 0/13 ( L. T. 2. -L. T. 4. )E -02 Of L.I.
4.
E-02 L.I.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)E-02 08 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)E-02 09 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/13 (L.T.2.-L.T.4.)[-02 10 L.T.
3.
E-02 L.T.
3.
E-02 L.T.
3.
L-02 L.T.
3.
E-02 0/13 ( L. T. I. -L. T. 3. )E -02 01-10 L.I.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 L.T.
4.
E-02 0/130 dei./ TOTAL 0/40 0/40 0/50 0/130 RANGE (L.T.2.-L.T 4.)E-02 (L. T. 2. -L. I. 4. )E -02 (L. T. 2. -L. T. 4. )E -02 (L. T. 2. -L. T. 4. )E -02 1
I N NE ISOTOPES 0.
COMPOSITE OF AIR PARTICULATE FILTERS - GAMMA (See Tables 0-1 and 0-2)
STATIONS 01 to 10 Air Particulate Filters, which were collected weekly were composited for each station for a quarterly gama spectral analysis during the four quarters of 1984.
Beryllium-7, a naturally occurring cosmogenic nuclide, was detected in 40 of 40 samples at a level of 0.0121 pCi per cubic meter which is similar to the levels of past years.
Potassium-40, a naturally occurring nuclide, was detected in one of 40 samples below the normal limit of detection There were no detections of Cs-137 which.is a fission product.
There were no detections of I-131 in the charcoal filters in series with the air particulate filters.
There was no correlation between the level of activity and the stations close to the plant.
There was no indication of an atmospheric effect from the operations of CNS.
4 P
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M 49
T TELEDYNE ISOTOPES E.
EGGS (See Tables El, E2)
STATIONS 42, 51, 67, 77 Egg samples were collected quarterly from four locations and analyzed for elemental calcium, gross beta, Sr-89, Sr-90 and gamma emitters.
The gross beta measured 2.4 pCi per gram, wet, which was accounted for largely by the naturally occurring, terrestrial isotope K-40.
No other. gamma emitters were measured above the normal level of detection.
There were no detections of Sr-89.
The level of elemental calcium in 16 samples was 0.463 mg per gram which is similar to the levels of previous years.
There was one detection of Sr-90 in 16 samples at a level of 0.0019 pCi per gram, wet, which is below the normal level of detection and is probably a residue from past nuclear explosions.
There was no evidence of an effect from the operation of CNS on egg s amples.
50
WTELEWE ISOTOPES TABLE E-1 NEBRASKA PUBLIC POWER OISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESTION EGGS - pct /ge, wet SAMPLE STATION 151 QUARTER 2nd QUARTER 3rd QUARTER 4th QUARTER NUCLIDE NUMBER 01/17-24/84 04/17/84 07/17/84 10/15-17/84 Gross Beta 42,51,67,77 Meantstd.dev.
2.3 2 0.6 E 00 3.5 t 0.2 E 00 1.9
- 0.4 E 00 2.2 1 0.2 E 00 det./ total 4/4 4/4 4/4 4/4 range (1.8-3.1)E 00 (3.2-3.6)E 00 (1.6-2.4)E 00 (2.0-2.4)E 00 Sr-89 42,51,67,77 Meantstd.dev.
L.T.
6.
E-03 L.T.
5.
E-03 L.T.
2.
E-03 L.T.
4.
E-03 det./ total 0/4 0/4 0/4 0/4 range Sr-90 42,51,67,77 Meantsid.dev.
L.T.
2.
E-03 1.9 t 0.7 E-03 L.T.
2.
E-03 L.T.
2.
E-03 l
(n det./ total 0/4 1/4 0/4 0/4 range Ca (elea. )
42,51,67,77 Meantstd.dev.
2.7 2 3.6 E-01 3.1 2 0.2 E-01 1.1 2 0.7 E 00 1.7 1 0.7 E-01 cg/ga det./ total 4/4 4/4 4/4 4/4 range
(. 0 3-7. 6 ) E -01 (3.0-3.3)E-01 (0.1-1.6)E 00 (0.9-2.5)E-01 K-40 42,51,67,77 Meantstd.dev.
1.2 2 0.1 E 00 1.2 1 0.2 E 00 1.2 2 0.1 E 00 1.1 1 0.2 E 00 det./ total 4/4 4/4 4/4 4/4 range (1.1-1.3)E 00 (1.0-1.4)E 00 (1.0-1.3)E 00 (0.9-1.3)E 00 1-131 42,51,67.77 Meantstd.dev.
L.T.
1.
E-02 L.T.
1.
E-02 L.T.
2.
E-02 L.T.
1.
E-02 det./ total 0/4 0/4 0/4 0/4 range Cs-137 42,51,67,77 Meantstd.dev.
L.T.
6.
E-03 L.T.
8.
E-03 L.T.
1.
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8.
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det./ total 0/4 0/4 0/4 0/4 i
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F.
FEED AND FORAGE - BEEF PRODUCERS (See Tables F-1 and F-2)
STATIONS 64, 67, 68, 71, 76 Feed and forage samples were collected monthly from beef producers at five stations and radioassayed for gamma emitters.
During peak pasture season (June through September) a monthly composite was made of the weekly samples received and also measured for gamma activity.
Beryllium-7, of cosmic origin, was detected in 30 of 66 samples and the terrestrial nuclide K-40 was detected in 66 of 66 samp!es at the levels encountered in the past.
There were three detections of Ra-226 and seven detections of Th-228 in the 66 samples analyzed at normal environmental levels.
These are naturally occurring terrestrial nuclides.
Six detections of Cs-137 occurred at an average activity level of 0.0454 pCi/gm, wet which is below the normal level of detection.
There were no d,tections of Cs-134.
These are fission products which were monitored in other areas of the United States and are probably residual fallout from previous nuclear weapons testing.
Therl! was no indication of a plant effect on feed and forage from the operations of CNS.
l 53
WTELEDWE ISOTOPES I A8LE r-1 NE8RASKA Pu8LIC POWER DISIRICI C00 PEN NUCLEAR SI AI10N EXPOSURE PAIHWAY - INCESIION FEED AND FORAGE - BEEF PRODUCERS - pCl/ge, met SAMPtf
$14310N lst QUARTER 2nd QUARTER 3rd QUARTER 4th QUARTER Nutt IDI nonat u 01/03/84-03/06/84 04/03/84-06/26/84 07/02/84-09/25/84 10/02/84-12/04/84 Se-1
- 64. 67,68, Meanestd.dev.
1.1 0.6 E-01 3.1 +-1.4 E 00 5.9
+-2.2 E 00 3.1 +-2.4 E 00 71,76 det./ total 1/18 7/18 18/18 5/18 (0.2-4.7)E 00 (2.9-9.5)E 00 (0.2-5.6)E 00 range K-40 64,67,68, Meanestd.dev.
8.1 t 4.1 E 00 6.3 2 5.6 E 00 15.9 7.6 E 00 8.7 i 7.1 E 00 11,76 det./ total 18/18 18/18 18/18 18/18 range (2.9-21.0)E 00 (1.7-23.7)E 00 (7.7-31.0)E 00 (2.0-20.0)E 00 I-131 64,67,68, Meantstd.dev, L.T.
1.
E-01 L.T.
5.
E-01 L.T.
9.
E-01 L.T.
4.
E-01 on 71,76 det./ total 0/18 0/18 0/18 0/18 range Cs-137 64,67,68, Meantstd.dev.
1.3 2 0.5 E-02 1.4 t 0.7 E-02 1.1 1 0.1 E-01 3.4 1 1.5 E-02 71,76 det./ total 1/18 1/18 2/18 2/18 (1.0-1.1)E-01 (2.3-4.4)E-02 range Ce-144 64,67,68, Meantstd.dev.
L.T.
4.
E-01 L.T.
4.
E-01 L.T.
7.
E-01 L.T.
6.
E-01 71,76 det./ total 0/18 0/18 0/18 0/18 range Ra-226 64,67.68, Meantstd.dev.
L.T.
1.
E 00 L.T.
1.
E 00 5.2 2 1.5 E 00 1.0 1 0.7 E 00 71,76 det./ total 0/18 0/18 1/18 2/18 (0.6-1.5)E 00 range Th-228 64,67,68, Meantstd.dev.
1.6 1 0.2 E -01 6.5 t 3.3 E-02 2.1 1 0.5 E-01 3.1 1 2.1 E-01 71,76 det./ total 4/18 2/18 1/18 2/18 range
(.34-4.3)E-01 (4.1-8.8)E-02 (1.6-4.6)E-01
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55
FOOD AND GARDEN CROPS (SEE TABLES G-1, G-2 and H-1, H-2)
G.
STATIONS 53, 54 - APPLES H.
STATIONS 34, 56, 62 - TOMAT0ES AND GARDEN VEGETABLES Garden crops and apples were radioassayed once during the year at h arvest time for gross beta, Sr-89, Sr-90, elemental calcium and gamma emitters. There was no sample available from station 34; no crop was planted in 1984. Detectable concentrations of gross beta, elemental calcium and K-40 were monitored in each sample and are the naturally occurring terrestrial nuclides found in food and garden crops.
The results monitored during 1984 were similar to measurements made during previous years.
There were no gamma emitters above the normal levels of detection except K-40 as cited above.
It may be concluded that there was no detectable effect on food and garden crops from the operations of CNS.
1 56 1
J
TTELEEWfE ISOIOPES 1ASLE G-1 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAT - INGE5110N FOOD AND GARDEN CROPS - pCl/ge, wet APPLES SAMPLE STATION NUCLIDI NUMBER 3rd QUARTER 09/11/84 Gross Beta 53, 54 Meantstd.dev.
2.4 1 1.2 E 00 det./ total 2/2 range (1.5-3.2) E 00 Sr-89 53, 54 Meantstd.dev.
L.T.
1.
E-02 det./ total 0/2 range ES $r-90 53, 54 Meantstd.dev.
L.T.
4.
E-03 det./ total 0/2 range Ca 53, 54 Meantstd.dev.
(ag/ge, wet) det./ total 7.0 t 6.0 E-02 2/2 range (0.25-1.1)E-01 K-40 53, 54 Meantstd.dev.
1.3 0.4 E 00 det./ total 2/2 range (1.0 -1.5)E 00 K-40 is the only genea eeltter above the limits of detection.
See Table G-2 for the list of gamma emitters monitored.
TTELEDrpf. ISOTOPES TABLE G-2 NE8RASKA PU8LIC POWER DISTRICT l
COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESil0N FOOD ANO GARDEN CROPS - pCI/ge, wet APPLES j
SAMPLE SIATION NUCLIDE NUMBER 3rd QUARTER 09/11/84 Se-7 53, 54 L.T.
1.
E-01 (0/2)
K-40 53, 54 1.3 2 0.4 E 00 (2/2) 1 Mn-54 53, 54 L.T.
1.
E-02 (0/2)
Co-58 53, 54 L.T.
1.
E-02 (0/2)
OS Fe-59 53, 54 L.T.
2.
E-02 (0/2)
Co-60 53, 54 L.T.
1.
E-02 (0/2)
I 2n-65 53, 54 L.T.
2.
E-02 (0/2)
Zr-95 53, 54 L.T.
1.
E-02 (0/2)
Ru-103 53, 54 L.T.
1.
E-02 (0/2)
Ru-106 53, 54 L.T.
1.
E-01 (0/2) 1-131 53, 54 L.T.
3.
E-02 (0/2)
Cs-134 53, 54 L.T.
1.
E-02 (0/2)
Cs-137 53, 54 L.T.
1.
E-02 (0/2)
Ba-140 53, 54 L.T.
2.
E-02 (0/2)
Ce-141 53, 54 L.T.
2.
E-02 (0/2)
Ce-144 53, 54 L.T.
9.
E-02 (0/2)
RA-226 53, 54 L.T.
2.
E-01 (0/2)
In-228 53, 54 L.T.
3.
E-02 (0/2)
T h cl80VOPES T ABLE Q-1 NE8RASKA PUBLIC POWER DISTRICT s
COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESTION F000 AND GARDEN CROPS - pCl/ge, wet GARDEN VEGETABLES - TOMATOES, ZUCCINI SAMPLE STATION NUCLIDE muneER 3rd QUARTER 08/07/84 Gross Beta 56, 62 (a)
Meantsto.dev.
det./ total 5.1 a 1.7 E 00 2/2 range (3.9-6.3) E 00 5r-89 56, 62 Meantstd.dev.
det./ total L.T.
4.
E-03 0/2 range m
u3 Sr-90 56, 62 Meantstd.dev.
det./ total 2.4 1 0.9 E -03 I/2 range Ca 56, 62 Meantstd.dev.
(ag/gs wet) det./ total 5.8 t 1.8 E-01 2/2 range (4.5-7.1) E-01 K-40 56, 62 Meantstd.dev.
det./ total 2.0 t 0.1 E 00 2/2 range (1.9-2.1) E 00 (a) There was no crop available at Station 34.
K-40 is the only gassa emitter above the llatts of detection.
See Table H-2 for the list of genea eeltters monitored.
WTELEDGE SOIOPES TABLE H-2 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLE AR STATION i
EXPOSURE PATHWAY - INGESTION FOOD ANO GARDEN CR0PS - pCi/ge, met GARDEN VEGETABLES - TOMATOES AND ZUCCINI i
SAMPLE STATION 3rd QUARTER NUCLIDE NUMBER 08/07/84 Be-7 56, 62(a)
L.T.
3.
E-01 (0/2)
K-40 56, 62 2.0 2 0.1 E 00 (2/2)
Mn-54 56, 62 L.T.
9.
E-03 (0/2)
Co-58 56, 62 L.T.
1.
E-02 (0/2)
Ch c)
Fe-59 56, 62 e
L.T.
2.
E-02 (0/2)
Co-60 56, 62 L.T.
1.
E-02 (0/2)
Zn-65 56, 62 L.T.
2.
E-02 (0/2)
Zr-95 56, 62 L.T.
1.
E-02 (0/2)
R u -103 56, 62 L.T.
1.
E-02 (0/2)
Ru-106 56, 62 L.T.
9.
E-02 (0/2) l-131 56, 62 L.T.
2.
E-02 (0/2)
Cs-134 56, 62 L.T.
1.
E-02 (0/2)
Cs-137 56, 62 L.T.
1.
E-02 (0/2)
Sa-140 56, 62 L.T.
2.
E-02 (0/2) j Ce-141 56, 62 L.T.
2.
E-02 (0/2)
Ce-144 56, 62 L.T.
7.
E-02 (0/2)
RA-226 56, 62 L.T.
2.
E-01 (0/2) l In-228 56, 62 L.T.
2.
E-02 (0/2)
(a) Inere was no crop available at Station 34.
T TELEDYNE ISOTOPES FEED AND FORAGE (See Tables I-1, I-2 and J-1, J-2)
I.
STATIONS 61, 74 (Nearest Milk Producer)
J.
STATIONS 42, 75, 78 (Commercial Milk Producers)
Feed and forage was collected from the milk producer, nearest the plant, quarterly from one station and monthly during peak pasture season for a total of 9 samples. Station 74 was discontinued as of January 1,1984 because the producer went out of business.
Feed and forage from commercial milk producers was collected quarterly from three stations for a total of 14 samples. These samples were monitored for Sr-89, Sr-90, elemental calcium and gama emitting nuclides.
There were no detections of Sr-89 and elemental calcium remained at levels seen in previous years. There were 8 detections of Sr-90 in 9 samples collected from the nearest producer at a level of 0.0360 pCi/gm, ent. There were 14 detections of Sr-90 in 14 samples collected from com-mercial producers at a level of 0.0458 pCi/gm, wet.
Cs-137 was detected in one sample collected from the nearest producer and one from the comercial producers both near the normal level of detection.
Both of these nuclides are fission products and are probably the result of fallout from previous nuclear atmospheric testing.
The naturally occurring nuclide Be-7 was seen in 15 of 23 samples at an average level of 4.91 pCi/gm, wet.
Potassium-40 was detected in 23 of 23 samples at a level of 11.77 pCi/gm wet, similar to levels in previous years.
There was one detection of Ra-226 and one detection of Th-228 at normal environmental levels.
All of these nuclides are naturally occurring.
There was no essential difference in the number or level of detec-tion of the naturally occurring nuclides or of the fission fallout products bstween the feed and forage from the~ nearest producer or from the comercial producers.
Thus it has been established that no nuclides which were related to CNS could be ingested by cows from feed and forage and there was no dose impact to the population.
61
TTELEDysdE ISOTOPES TABLE I-1 NE8RASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESTION FEED AND FORAGE - NEAREST MILK PRODUCER pct /gm wet SAMPLE stall 0N lst QUARIER 2nd QUARTER 3rd QUARTER 4th QUARTER t'UCilDE
_ NUMBER 01/10/84 04/03/84-06/12/84 07/02/84-09/04/84 10/23/84 Sr-89 61 Meantstd.dev.
L.T.
5.
E-02 L.T.
3.
E-02 L.T.
3.
E-02 L.T.
1.
E-02 det./ total 0/1 0/3 0/4 0/1 range Sr-90 61 Meantstd.dev.
5.6 a 1.0 E-02 4.7
- 4.7 E-02 1.9 2 1. 2 E -02 5.8
- 0.9 E-02 det./ total I/1 2/3 4/4 1/1 (1.4-8.0)E-02 (0.7-3.4)E-02 range
$ Ca telem.)
61 Meantstd.dev.
9.8
- 1.0 E 00 5.0 2 6.1 E 00 1.9 2 2.7 E 00 14.01 1.0 E 00 og/gm det./ total 1/1 3/3 4/4 1/1 (0.6-12.0)E 00 (0.04-5.1)E 00 range Be-7 61 Meantstd.dev.
6.7 2 2.6 E-01 1.1 2 0.4 E 00 2.3 1 0.8 E 00 L.T.
4.
E-01 det./ total 1/1 2/3 4/4 0/1 range (0.9-1.4)E 00 (1.3-3.0)E 00 K-40 61 Meantstd.dev.
16.71 7.2 E 00 8.0
- 2.3 E 00 12.62 2.4 E 00 19.31 1.9 E 00 det./ total 1/1
. (5.8-10.3)E 00 (9.0-14.0)E 00 3/3 4/4 1/1 range Cs-131 61 Meantstd.dev.
L.T.
4.
E-02 2.7 t 1.6 E-02 L.T.
5.
E-02 L.T.
4.
E-02 det./ total 0/1 1/3 0/4 0/1 range TH-228 61 Meantstd.dev.
L.T.
6.
E-02 1.1 10.3 E-01 L.T.
8.
E-02 L.T.
7.
E-02 det./ total 0/1 1/3 0/4 0/1 range
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63
TTELEDFDE IS(NOPES TA8LE J-1 NE8RASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION l
EXPOSURE PATHWAY - INGESTION FEED AND FORAGE - COMMERCIAL MILK PRODUCERS pCl/ge wet SAMPLE STATION ist QUARTER 2nd QUARTER 3rd QUARTER 4th QUARTER NUCLIOE NUMBER 01/10, 11/84 04/10, 17/84 07/10/84 10/09, 16/84 Sr-89 42, FS, 78 Meantstd.dev.
L.T.
7.
E-02 L.T.
2.
E-02 L.T.
3.
E-02 L.T.
5.
E-02 det./ total 0/4 0/3 0/4 0/3 range Sr-90 42, 75, 18 Meantstd.dev.
3.7 2 5.5 E-02 2.6
- 3.6 E-02 5.5 t 2.1 E -02 6.5
- 4.0 E-02 det./ total 4/4 3/3 4/4 3/3 range
(.07-1.2)E-01 (0.4-6.8)E-02 (3.9-8.4)E-02 (0.4-1.1)E-0
$ Ca (eles.)
42, 15, 78 Meantstd.dev.
2.0 2 3.0 E 00 1.4 1 1.1 E 00 5.2 2 2.0 E 00.
9.0
- 2.6 E 00' co/ge det./ total 4/4 3/3 4/4 3/3 range
(.31-6.5)E 00 (0.5-2.7)E 00 (2.7-7.5)E 00 (6.0-II.0)E 00 Be-?
42, 75, 18 Meantstd.dev.
2.0 2 1.1 E-01
!.T.
3.
E-01 7.6 2 3.0 E 00 5.2 2 2.0 E 00 det./ otal 1/4 0/3 4/4 3/3
-inge (4.4-II.3)E 00 (3.1-6.9)E 00 K-40 42, 75, 78 Meantstd.dev.
10.0210.0 E 00 8.7 2 7.5 E 00 20.01 9.6 E 00 8.3 1 3.2 E 00 det./ total 4/4 3/3 4/4 3/3 range (3.5-24.8)E 00 (4.3-17.4)E 00 (12.0-33.1)E 00 (5.1-11.5) E 00 1
Cs-137 42, 75, 78 Meantstd.dev.
L.T.
5.
E-02 L.T.
4.
E-02 L.T.
6.
E-02 5.5 1 3.2 E-02 det./ total 0/4 0/3 0/4 1/3 range I
Ra-226 42, 75, 18 Meantsto.dev.
L.T.
7.
E-01 8.6 t 1.4 E-01 L.T.
1.
E 00 L.T.
8.
E-01 det./ t ot al 0/4 1/3 0/4 0/3 range 1
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65
K.
FOOD AND FEED CR0PS - CORN AND 50Y BEANS (See Tables K-1 and K-2)
STATIONS 15, 18, 20, 27, 29, 38, and 41 Food and feed crops were collected once during the year at harvest time and monitored for gross beta, Sr-89, Sr-90, element al calcium and gamma emitters. Strontium-90 was detected in 3 of 8 samples at an average activity of 0.0054 pCi/gm, wet, which is below the normal level of detection.
The cosmogenic nuclide, Be-7, was detected in 3 of 8 samples.
The naturally' occurring nuclide K-40 was detected in 8 of 8 samples; there was one detec-tion of Ra-226 and two detections of Th-228 all at normal environment al levels.
There were three detections of the fission product Co-60 at an average level of 0.0307 pCi/gm, wet and two detections of Cs-137, also a fission product, at an average level of 0.0193 pCi/gm, wet.
These radioisotopes are believed to be the result of incorrect sampling.
They were detected at Stations 29 and 38 in soybeans only.
Since the corn was husked before analysis, surface contamination would have been removed.
i 66
- 3 WTELEDrfE WORWES TABLE E-1 NE8RASKA PUBLIC POWER OISTRICT i
COOPER NUCLEAR STAi!ON 4
j EXPOSURE PATHWAT - INGESTION F000 ANO FEE 0 CROPS - pC1/ga, wet SAMPLE STATION NUCLIDE NUMBER 3rd QUARTER 09/19/84 Gross 8 eta 15,18,20,27 Meantsto.dev.
10.41 4.1 E 00 29,38,41 det./ total 8/8 range
( 3.6-16.0)E 00 Sr-89 15,18,20,27 Meantstd.dev.
L.T.
3.
E-02 29,38,41 det./ total O/S range i
Sr-90 15,18,20,27, Meantstd.dev.
5.4
- 0.8 E-03 C) 29,38,41 det./ total 3/8 range (4.1-6. 3) E -03 Ca 15,18,20,27 Meantstd.dev.
1.7 1 1.9 E 00 (eg/ge, wet) 29,38,41 det./ total 8/8 range (0.4-5. 3 ) E 00 4
K-40 15,18,20,27, Meantstd.dev.
4.2 2 2.6 E 00 j
29,38,41 det./ total 8/8 range (2.0-7.9) E 00 4
{
Be-7 15,18,20,27 Meantstd.dev.
2.0 1 0.6 E 00 1
29,38,41 det./ total 3/8 range (1.3-2.3) E 00 1
Co-60 15,18,20,27, Meantstd.dev.
3.1 2 0.6 E-02 i
(a) 29,38,41 det./ total 3/8 range (2.4-3.5) E-02 j'
I-131 15,18,20,27 Meanestd.dev.
L.T.
8.
E-02 29,38,41 det./ total 0/8 4
range Cs-137 15,18,20,27 Meanestd.dev.
- 1. 9
- 0.2 E -02 la) 29,38,41 det./ total 2/8 j
range (1.8-2.1) E-02 l
f
W N ISOH3 PES TABLE K-1 NE8RASEA PUBLIC POWER O!STRICI COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESTION FOOD AND FEED CROPS - pCl/ge, wet SAMPLE SIAll0n NUCLIDE NUMBER 3rd QUARTER 09/19/84 Ra-226 15,18,20,21 Meantstd.dev.
2.9 1.7 E -02 29,38,41 det./ total 1/8 range Th-228 15,18,20,27 Meantstd.dev.
6.0 2 0.1 E-02 29,38,41 det./ total 2/8 range (5.5-6.5) E-02 (a) Co-60 and C5-131 were measured in soybeans only, not la corn. It may be assumed that the Co-60 and Cs-137 were due to incorrect sampling. The corn was husked before analysis and surf ace Conteelnation would have been removed.
TTELEDrtE WOIOPES 1 ASLE K-2 NE8RA5KA PU8LIC POWER DISTRICT COOPER NUCLEAR STA1104 EXPOSURE PATHWAT - INGESTION f000 AND FEED CROPS - pCl/ge, wet SAMPLE STAIION huCLIDE tuM8ER 3rd QUARTER 09/19/84 8e-7 15,18,20,27,29.38,41 2.0 t 0.6 E 00 (3/8)
E-40 15,18,20,27,29,38,41 4.2 2.6 E 00 (8/8)
Mn-54 15,18,20,27,29,38,41 L.T.
1.
E-02 (0/8)
Co-58 15.18,20,27,29,38,41 L.T.
1.
E-02 (0/8) fe-59 15,18,20,27,29.38,41 L.T.
3.
E-02 (0/8)
Co-60 15,18,20,27,29,38,41 3.1 1 0.6 E-02 (3/8)(a) 2n-65 15,18,20,27,29.38,41 L.1.
3.
E-02 (0/8) 2r-95 15,18,20,27,29,38,41 L.T.
1.
E-02 (0/8)
Ru-103 15,18.20,27,29.38,41 L.I.
1.
E-02 (0/8)
Ru-106 15,18,20,27,29,38,41 L.I.
9.
E-02 (0/8) 1-131 15,18,20,27,29,38,41 L.T.
8.
E-02 (0/8)
Cs-134 15,18,20,27,29,38,41 L.T.
1.
E-02 (0/8)
Cs-137 15,18,20,27,29,38,41 1.9 s 0.2 E-02 (2/8)(a)
Ba-140 15,18,20,27,29,38,41 L.T.
3.
E-02 (0/8)
Ce-141 15,18,20,27,29,38,41 L.T.
3.
E-02 (0/8)
Ce-144 15,18,20,27,29,38,41 L.I.
9.
E-02 (0/8)
RA-226 15,18,20,27,29,38,41 2.9 a 1.7 E-02 (1/8)
Th-228 15,18,20.27,29,38,41 6.0 t 0.7 E-02 (2/8)
(a) Co-60 and Cs 137 were measured in soybeans only, not in corn.
It may be assumed that the Co-60 and C5-137 were due to incorrect sampling. ine corn was husked before analysts and surf ace contamination would have been removed.
NE ISMOPES L.
FISH (See Tables L-1, L-2)
STATIONS 28, 35 Fish samples were collected during the summer and fall and analyzed for gross beta, Sr-89, Sr-90 and gama emitting isotopes.
The gross beta and Sr-90 activities were similar to the levels of previous years.
Strontium-90 was detected in six of ten samples at a level of 0.016 pCi/ gram, wet, which is below the normal level of detection.
There were no detections of Sr-89.
Naturally occurring K-40 was detected in ten of ten samples at an average level of 2.58 pCi/gm; wet.
There was one detection of Ra-226, also a natural isotope, at a level of 0.283 pCi/gm, wet.
The fission product Co-60 was detected in 3 of the 10 samples at an average level of 0.0127 pCi/gm, wet.
There were two detections of the fission product Cs-134 at an average level of 2.025 pCi/gm, wet and four detections of the fission product Cs-137 at an average level of 0.033 pCi/gm, wet.
All of these detections were at or below the normal level of detection and occurred at Station 28 downstream from the discharge point and at Station 35 upstream from the discharge point.
f 70
TN N T ABLE L-1 NEsaASEA PUBLIC POWER DISTRICT COOPER mUCLEAR STATION EXPOSURE PATHWAT - thGEST10m FISH - pCl/ge, wet SAMPLE SIATION auCllDE mun8ER 3rd QUARTER 4th QUARTER 07/02/84-07/15/84 10/16/84 Gross beta 28, 35 Meantstd.dev.
det./ total 4.4 a 1.2 E 00 4.4 1.8 E 00 5/5 5/5 range (2.7-5.6) E 00 (1.4-5.9) E 00 Sr-89 28, 35 Neantstd.dev.
L.T.
1.
E-02 L.T.
2.
E-02 det./ total 0/5 0/5 range
%4 Sr-90 28, 35 Meanestd.dev.
det./ total 1.9 t 0. 3 E -02 1.1.s 0.6 E-02 3/5 3/5 range (1.5-2.1) E-02 (0.5-1.5) E-02 K-40
- 28. 35 Meantstd.dev.
2.5 t 1.3 E 00 2.8 1 0.1 E 00 det./ total 5/5 5/5 range (0.2-3.3) E 00 (2.7-3.0) E 00 Co-60 28, 35 Meantstd.dev.
L.T.
1.
E-02 1.4
- 0.5 E-02 det./ total 0/5 3/5 range (0.9-1.9) E-02 1-131 28, 35 Neantstd.dev.
L.T.
4.
E-02 L.T.
8.
E-02 det./ total 0/5 0/5 range Cs-134 28, 35 neantstd.dev.
L.T.
1.
E-02 2.5 t 1.6 E-02 det./ total 0/5 2/5 range (1.3-3.7) E-02 Cs-137 28, 35 Meantstd.dev.
L.T.
1.
E-02 3.3
- 1.8 E-02 det./ total 0/5 4/5 range (1.9-6.0) E-02
WTELEDrfE eof 0 PES TABLE L-2 NE8RASKA PUBLIC POWER OISTRICT COOPER NUCLEAR STAil0N i
EIP05URE PATHWAT INGESTION FISH - pct /ga, wet i
i SAMPLE SIAll0N 3rd QUARTER 4th QUARTER ruCLIDE muMBER 07/02/84-07/15/84 10/16/84 Be-7 28, 35 L.T.
9.
E-02 (0/5)
L.T.
1.
E-01 (0/5)
E-40 28, 35 2.5 1.3 E 00 (5/5) 2.8
- 0.1 E 00 (5/5) ca-54 28, 35 L.I.
1.
E-02 (0/5)
L.T.
9.
E-03 (0/5)
Co-58 28, 35 L.T.
1.
E-02 (0/5)
L.T.
1.
E-02 (0/5)
Fe-59 28, 35 L.T.
2.
E-02 (0/5)
L.T.
2.
E-02 (0/5) w l
Co-60 28, 35 L.T.
1.
E-02 (0/5) 1.4 t 0.5 E-02 (3/5) 1 2n-65 28, 35 L.T.
2.
E-02 (0/5)
L.T.
2.
E-02 (0/5)
Zr-95 28, 35 L.T.
1.
E-02 (0/5)
L.T.
2.
E-02 (0/5) i l
Ru-103 28, 35 L.T.
1.
E-02 (0/5)
L.T.
2.
E-02 (0/5)
Re-106 28, 35 L.T.
9.
E-02 (0/5)
L.T.
9.
E-02 (0/5) l t-131 28, 35 L.T.
4.
E-02 (0/5)
L.T.
8.
E-02 (0/5) l Cs-134 28, 35 L.T.
1.
E-02 (0/5) 2.5 2 1.6 E-02 (2/5)
Cs-137 28, 35 L.T.
1.
E-02 (0/5) 3.3 1 1.8 E-02 (4/5)
Ba-140 28, 35 t,y, 3,
g.02 (0/5)
L.I.
3.
E-02 (0/5)
Ce-141 28, 35 L.T.
2.
E-02 (0/5)
L.T.
3.
E-02 (0/5)
Ce-144 28, 35 L.T.
8.
E-02 (0/5)
L.T.
8.
E-02 (0/5)
RA-226 28, 35 L.T.
2.
E-01 (0/5) 2.8 1 1.6 E-01 (1/5)
Tu-228 28, 35 L.T.
2.
E-02 (0/5)
L.T.
2.
E-02 (0/5)
T TELEDVNE ISOTOPES MILK (See Tables M-1, M-2 and N-1, N-2)
M.
STATIONS 42, 73, 75 (COMMERCIAL PRODUCERS)
N.
STATIONS 61, 74 (NEAREST PRODUCER)
Milk samples from commercial producers were collected quarterly from 3 stations and monitored for 1-131, Sr-89, Sr-90, elemental calcium and gamma emitters. Milk samples from nearest producer were collected from one station monthly and monitored for I 131, Sr-89, Sr-90, elemental calcium and gamma emitters.
Station 74 was discontinued as of January 1,1984 because the producer went out of business.
During peak pasture season weekly samples were collected and monitored for I-131 for the nearest producer.
The weekly samples were composited monthly and monitored for Sr-89, Sr-90 elemental calcium and gamma emitters.
There were no detections of I-131 in milk from either the eleven samples from the commercial producers or the 31 samples from the nearest producer.
No Sr-89 was detected in any of the milk samples.
Strontium-90 was detected in the 11 samples of commercial producers at an average level of 2.7 pCi/
liter. There were detections of Sr-90 in 11 of the 14 samples collected from the nearest producers at an average level of 1.54 pCi/ liter.
The elemental calcium levels remained stable as compared with other years.
Naturally occurring K-40 remained at the same levels as previous years.
There is no statistical difference between the samples collected from the nearest producer as compared with the commercial producers' samples. Thus we conclude that the operations of CNS had no effect on milk from commercial producers or the nearest producer and thus no dose impact on the population.
73
WTEREDHE ISOTOPES TABLE M-1 NE8RASKA PU8LIC POWER O! STRICT COOPER NUCLEAR STATION EXPOSURE PATHWAT - INGESil0N MILK - pCl/ liter COMMERCIAL PRODUCERS SAMPLE STATION lst QUARTER 2nd QUARTER 3rd QUARTER 4th QUARTER NUCLIDE NUM8ER 01/17/84 04/17/84 01/17-24/84 10/16/84 Sr-89 42,75,78 Meantstd.dev.
L.T.
1.
E 00 L.T.
1.
E 00 L.T.
2.
E 00 L.T.
2.
E 00 det./ total 0/3 0/3 0/3 0/2 (a) range Sr-90 42,75,78 Meantstd.dev.
3.1
- 0.7 E 00 3.7
- 2.5 E 00 2.1 2 0.7 E 00 1.3.2 0.1 E 00 det./ total 3/3 3/3 3/3 2/2 range (2.4-3.7)E 00 (2.3-6.6)E 00 (1.7-2.9)E 00 (1.2-1.4) E 00 2A -131 I
42,75.78 Meantstd.dev.
L.T.
2.
E-01 L.T.
3.
E-01 L.T.
3.
E-01 L.T.
3.
E-01 (by cheatcal det./ total 0/3 0/3 0/3 0/2 ssparation) range Ca(ag/ liter) 42,75,78 Meantstd.dev.
1.1 1 0.0 E 00 2.9
- 1.4 E 00 1.2
- 0.2 E 00 3.0 1 0.1 E 00 det./ total 3/3 3/3 3/3 2/2 range (1.1 1.1)E 00 (1.4-4.1)E 00 (1,1-1.4)E 00 (2.9-3.0)E 00 K-40 42,75.78 Meantstd.dev.
1.2 2 0.3 E 03 1.3 1 0.1 E 03 1.2 1 0.2 E 03 1.3 1 0.1 E 03 det./ total 3/3 3/3 3/3 2/2 range
(.93-1.4) E 03 (1.3-1.4) E 03
(.95-1.3)E 03 (1.25-1.35)E 03 Cs-137 42,75,78 Meantstd.dev.
L.T.
4.
E 00 L.T.
7.
E 00 L.T.
5.
E 00 L.T.
8.
E 00 det./ total 0/3
'0/3 0/3 0/2 range (a) No sample was collected from Station 78 on 10/16/84. The cow was pregnant and was not lactating.
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^
TTMNE ISOTOPES TABLE N-1 NE8RA5KA PUBLIC POWER DISTRICT COOPER NUCLE AR ST Ail 0N EXPOSURE PATHWAY - INGESTION MILK - pCl/ liter NEAREST PRODUCERS SAMPLE SIATION lst QUARTER 2nd QUARTER 3rd QUARIER 4th QUARTER NUCL IDE NUMBER 01/10/84-03/13/84 04/10/84-06/26/84 07/02/84-09/25/84 10/02/84-12/12/84 Sr-89 61 Meantstd.dev.
L.T.
2.
E 00 L.T.
2.
E 00 L.T.
2.
E 00 L.T.
2.
E 00 det./ total 0/4 0/3 0/3 0/4 range Sr-90 61 Meantstd.dev.
1.6 2 0.1 E 00 1.3 2 0.3 E 00 2.0
- 0.4 E 00 1.3
- 0.4 E 00 det./ total 4/4 3/3 2/3 2/4 range (1.5-1.1)E 00 (0.94-1.5)E 00 (1.1-2.3)E 00 (1.0--1.5)E 00 Ncn 1-131 61 Meantstd.dev.
L.T.
3.
E-01 L.T.s 3.
E-01 L.T.
4.
E-01 L.T.
3.
E-01 by chemical det./ total 0/4 0/1 0/16 0/4 separation range C a(eg/I t t er) 61 Meantstd.dev.
1.1 1 0.0 E 00 1.3
- 0.3 E 00 9.5 1 4.4 E-01 2.3
- 0.8 E 00 det./ total 4/4 3/3 3/3 4/4 (1.1-1.6)E 00 (0.46-1,3)E 00 (1.4 -3.2 )E 00 range K-40 61 Heantstd.dev.
1.3 2 0.1 E 03 1.3
- 0.2 E 03 1.3 1 0.1 E 03 1.4 t 0.1 E 03 det./ total 4/4 3/3 3/3 4/4 range (0.98-1.3)E 03 (1.1-1.5 )E 03 (1. 3-1.4 )E 03 (1. 3-1.4 )E 03 Cs-131 61 Meanistd.dev.
L.T.
4.
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8.
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8.
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5.
E 00 det./ total 0/4 0/3 0/3 0/4 range
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77
0.
GROUNDWATER (See Tables 0-1 and 0-2)
STATIONS 11, 47 Groundwater was collected from two stations quarterly and analyzed for gross beta and gross alpha activity, for tritium and for gama emitting radionuclides.
Station 11 is 0.15 miles from the plant and station 47 is 25.75 miles from, the plant.
The gross beta activity averaged 9.1 pCi/ liter which is statistically the same as in past years.
There was one detection of alpha activity at a level of 6.9 pCi/ liter which frequently occurs from natural ground sources.
There were no detections of gamma emitters above the minimum level of detection.
The tritium level averaged 253 pCi/ liter for the year which is the normal environmental level.
There was no difference in levels of beta activity or tritium for the station close to the plant as compared with the more distant station.
It may be concluded that there is no impact from the operations of CNS on the environment as shown by measurements of radionuclides in groundwater.
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P.
RIVER WATER (See Table P-1 and P-2)
STATIONS 12,13,28 River water was collected monthly and monitored for gross beta and gross alpha, suspended and dissolved, Sr-89 and Sr-90.
A quarterly composite was measured for gamma emitters and tritium.
There were no detections of gamma emitters above the minimum level of detection. No Sr-89 was detected.
There were three detections of Sr-90 at an average of 0.940 pCi/ liter chich is just at the normal level of detection.
These readings occurred at all three stations in the samples of July 3,1984 and may have been caused by flooding conditions in the spring which stirred up the river bed. No further detections occurred during the year.
The average gross alpha and gross beta readings were similar to previous years as indicated in the summary of 1983 and 1984 averages below:
1984 1983 Average pCi/ liter Average per/ liter Gross Alpha 3.7 14.2 (dissolved)
Gross Alpha 4.2 3.5 (suspended)
Gross Beta 11.6 10.7 (dissolved)
Gross Beta
- 8. 7 7.8 (suspended)
These measurements indicate that the river water samples monitored during 1984 contained no detectable CNS plant radionuclides.
Additional verification of no detectable releases was the H-3 activity which was at an average environmental level of 343 pCi/ liter.
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83
TTELEDYNE ISOTOPES Q.
ANIMALS - RABBITS (See Tables Q-1 and 0-2)
STATION 28 and 35 A rabbit sample was collected from station 28 in the f all of 1984.
No rabbits were collected from Station 35 due to poor trapping conditions.
The femur was analyzed for Sr-89 and Sr-90, the thyroid gland for I-131 and the muscle for gamma emitters.
Strontium-90 was detected in the bone sample at a level of 0.011 pCi/gm which is lower than in previous years.
No Sr-89 was detected.
The iodine-131 analysis of the thyroid gland, conducted by the i
chemical separation method, was below the normal level of detection.
There were no gamma emitters detected except for naturally occurring K-40 which was 3.93 pCi/gm, wet and is similar to previous years from 1977 through 1983.
There were no detections of Cesium-137 above the normal level of detection.
The results of the monitoring of rabbit samples indicate that no nuclear plant effects resulting from the operations of CNS were detectable in animal life.
84
TTELEINNE ISOTOPES TABLE Q-1 NE8RASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGEsil0N RAB81T - pCi/ge, wet SAMPLE STATION 4th QUARTER NUCL IDE
__ NUMBER 11/27/84 Sr-89 28 Meantstd.dev.
L.T.
2.
E-02 (femur) det./ total 0/1 range Sr-90 28 Meantstd.dev.
1.1 1 0.4 E -02 (femur) det./ total 1/1 range I-131 28 Meantstd.dev.
L.I.
6.
E-01 (throid det./ total 0/1 CD by Chemical range m
separatlon) l K-40 28 Heantstd.dev.
3.9 1 0.4 E 00 (muscle) det./ total 1/1 range Cs-131 28 Heantstd.dev.
L.T.
4.
E-02 (mu sc le) det./ total 0/1 range
TTELEDVNE ISOTOPES TA8LE q-2 NE8RASKA PUBLIC POWER OISTRICT COOPER NUCLEAR STATION l
l EXPOSURE PATHWAY - INGESTION RA881T - pCi/ge, wet SAMPLE stall 0N 4th QUARTER NUCLl0E NUMBER 11/27/84 Be-7 28 L.T.
3.
E-01 (0/1)
K-40 28 3.9 2 0.4 E 00 (1/1)
Hn-54 28 L.T.
3.
E-02 (0/1)
Co-58 28 L.T.
3.
E-02 (0/1)
Fe-59 28 L.T.
7.
E-02 (0/1)
Co-60 28 L.T.
3.
E-02 (0/1)
Zn-65 28 L.T.
7.
E-02 (0/1) zr-95 28 t.T.
4.
E-02 (0/1)
Ru-103 28 L.T.
3.
E-02 (0/1)
Ru-106 28 L.T.
3.
E-01 (0/1) 1-131 28 L.T.
7.
E-02 (0/1)
Cs-134 28 L.T.
4.
E-02 (0/1)
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4.
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5.
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6.
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2.
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6.
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6.
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ISOTOPES R.
AQUATIC VEGETATION STATION 12, 13, 28 Samples of acquatic vegetation were to be collected twice during the year at Stations 12,13 and 38. No samples were collected during the year of 1984. The fluctuating level of the Missouri River prevented the growth of aquatic vegetation.
87
I TTELEDVNE ISOTOPES IABLE R-1 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - INGESTION VEGEIATION/AQUAllC PCl/ge, wet SAMPLE SIAll0N NUCLIDI NUM8fR 06/84 09/84 12, i1, 28 l
l No samples of aquat ic veget at ion were collected in the spring or fall of 1984.
The fluctuating level of the Missouri River prevented the accumulation of aquat ic veget at ion.
00 CD f
TTELEDfNE ISOTOPES S.
SOIL STATIONS 2,3,4,5,6,7,8,9,10 Soil samples, which are collected every three years, were collected on September 25, 1984 Eleven samples were analyzed for Sr-90 and gamma emitting isotopes.
Strontium-90 was detected in 10 of 11 samples at a level of 0.174 pCi/gm, dry.
This is very close to the levels detected in 1975, 1978 and 1981.
Among the gama emitters K-40 remained similar to previous levels at 15.2 pCi/gm, dry.
Radium-226 and Thorium-228 levels also remained constant.
These are all naturally occurring radioisotopes.
Cesium-137 was detected in eleven of eleven samples at an average level of 0.398 pCi/gm, dry. This is a fission product which is probably a residual effect from previous atmospheric weapons testing and is found in many areas of the United States. There is no indication of a plant effect on soil samples.
89
TTF1 FfWNE ISOTOPES T A8LE S-1 NE8RASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAT - AIR 8ORNE S0lt pCl/ge, DRY l
SAMPLE stall 0N 3rd QUARTER NUCL IDE NUMBER 09/25/84 Sr-90 2,3,4,5.6, Meantstd.dev.
1.7 1 0.7 E-01 7,8,9,10 det./ total 10/11 range (0.16-3.0) E-01 i
8e-1 2,3,4,5,6 Meantstd.dev.
2.3 2 0.4 E-01 1,8,9,10 det./ total 3/11 range (1.9-2.7) E-01 K-40 2,3,4,5,6 Meantstd.dev.
1.6 1 0.2 E 01 g
7,8,9,10 det./ total 11/11 range (1.2-1.9) E 01 1-131 2,3,4,5,6 Meantstd.dev.
L.T.
2.
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4.2 t 1.7 E-01 7,8,9,10 det./ total 11/11 range (0.26-7.1) E-01 Ra-226 2,3,4,5,6, Meantstd.dev.
1.9
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1.1 t 0.2 E 00 7,8,9,10 det./ total 11/11 range (0.6 7-1.4 ) E 00
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TTELEDfNE ISOTOPES T.
AMBIENT RADIATION - THERM 0 LUMINESCENT 00SIMETERS (TL0s - SEE TABLES T-1 AND T-2)
STATIONS 01-10,15,18,22,44,58,59 Ambient radiation was monitored at 16 locations within a 10 mile radius of CNS and collected quarterly.
The quarterly averages of ambient net ganna radiation ranged from 17.1 milliroentgen / quarter (91 days) to 20.9 milli-Roentgen / quarter.
The highest exposure during each of the four quarters was at Station 01 (0.1 mile, 225 degrees) and averaged 42.0 d/ quarter. The lowest exposure was at Station 03 (2.5 miles, 338 degrees) and Station 09 (7.25 miles, 335 degrees) and averaged 17.1 and 17.3 d/ quarter respectively.
The radiation at station 44, which is the control station, was similar to that at the other stations.
The average total exposure for the year was 72.8 d which is consider-ably below the 125 millirems per quarter specified in 10 CFR 20.105 for an unrestricted area. The relationship between milliroentgen (d ) and millirems (mr) is approximately one for the exposure conditions encountered.
No plant effect from CNS was indicated.
l 92
I TTELEDVNE ISOTOPES TABLE T-1 NE8RASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AMBIENT GAMMA RADIATION: ILD milllRoentgen/ Quarter SAMPLE STATION 151 QUARTER 2nd QUARTER 3rd QUARTER 4th QUARTER NUCLIDE NUMBER 01/05/84-04/04/84 04/04/84-07/05/84 07/05/84-10/02/84 10/02/84-01/04/85 TL D 01 39.9 1 0.9 28.4 2 0.3 29.1
- 1.2 70.7 1 4.4 Gamma 02 19.1 0.5 16.8 1 0.6 17.4 1 0.8 19.2 1 0.4 03 17.1 1 0.3 16.0 1 0.9 16.8 1 0.5 18.5 1 0.4 04 11.8 t 0.4 16.0 1 0.6 17.1 2 0.6 18.8 1 0.3 05 18.3 2 0.4 15.6 1 0.6 17.8
- 0.7 19.5 2 0.3 e
LJ 06 18.1 2 0.3 15.8 t 1.1 18.1 1 0.9 19.2 2 0.3 07 18.2 1 0.4 17.2 1 0.2 17.4 1 0.5 18.9 1 0.3 08 18.0 t 0.4 18.0 t 0.1 11.8 1 0.7 19.7 1 0.2 09 17.5 1 0.5 16.4 2 0.6 16.4 1 0.3 18.9
- 0.3 10 17.9 t 0.3 16.3 1 0.8 17.0 1 0.4 19.1 2 1.6 15 18.7
- 0.5 15.5 t 2.4 18.1 2 0.6 20.8 1 1.3 18 18.5 t 0.5 18.0 t 0.7 18.8 2 0.7 21.0 1 0.6 22 18.6 2 0.9 11.9 2 0.5 18.9 1 1.0 20.2
- 0.3 44 20.6 t 0.5 20.0 2 0.5 20.3 2 1.3 22.6 1 0.4 58 19.5 t 0.7 18.2 1 0.6 19.3 1 0.7 21.2 1 0.3 59 18.6 0.5 16.9 t 0.4 18.5 t 1.0 20.7 1 0.3 Average / Quarter 19.8 5.4 mR/90 Days 17.3 1 3.4 mR/92 days 18.7 1 3.0 mR/89 days 19.9 1 1.2 mR/94 days (a)
Average / Day 0.??
0.06 mR/ day 0.19 1 0.04 mR/ day 0.21 t 0.0 3 mR /d ay 0.21 1 0.01 mR/ day Range (11.1 - 39.9 ) mR /90 days (11.9-28.4 ) mR /92 days (16.4-29.1) mR/89 days (18.5-22.6) mR/94 days Det./ lot al 16/16 16/16 16/16 16/16 (a) The avera9e gamma radiat ion for the fourth quarter does not include the reading from Station 01 since it was higher than the other stations and is close to the release point.
l TTELEDYNE ISOTOPES TA8LE T-2 NEBRASKA PUBLIC POWER OISTRICT COOPER NUCLEAR STATION EXPOSURE PATHWAY - AMBIENT GAkNA RA01AT10N: TLO milltRoentgen SAMPLE STAil0N AVER / QUARTER TOTAL mR/ year NUCLIDE NUMBER 01/05/84-01/04/85 01/05/84-01/04/85 TLO 01 42.0 t 19.8 168.1 (a)
Gamma 02 18.1 1.2 72.5 03 17.1 t 1.0 68.4 04 17.4
- I.2 69.7 05 17.8 t 1.6 71.2 e**
06 17.8
- 1.4 71.2 07 17.9
- 0.8 71.7 08 18.4 2 0.9 73.5 09 17.3 1 1.2 69.2 to 17.6 1 1.2 70.3 15 18.3 1 2.2 73.1 18 19.1 1 1.3 76.3 22 17.4 1 3.7 69.6 44 20.9
- 1.2 83.5 58 19.6 1 1.2 18.2 59 18.7 2 1.6 74.7 Average / Quarter 1984 19.7 2 6.0 12.8 t 4.0 Average Total mR/ year Range (17.1-42.0)
(68.4-168.1) (a)
(a) The tot al gamma r ad6 at ion f or St at son 01 =as not included in the average since it was higher than the other stations and is close to the release point.