ML20081C044

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Rept to NRC Environ Monitoring at GGNS CY94,NRC Contract Number NRC-29-83-621
ML20081C044
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 12/31/1994
From: Bell B, Fuente E
MISSISSIPPI, STATE OF
To:
NRC
References
CON-NRC-29-83-621 NUDOCS 9503170088
Download: ML20081C044 (35)
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{{#Wiki_filter:- .s. March 9,1995 U. S. Nuclear Regulatory Commision Public Document Room Washington, D.C. 20555 MISSISSIPPI Dear Sir. STATEDEPARTMENTOF HEALTH Enclosed is Mississippi's 1994 Calendar Year report of environmental Q$g activities at the Grand Gulf Nuclear Station. These activities were conducted by the Division of Radiological Health, Mississippi State 3150 tawsonstreet Post OfSce Box 1700 Department of Health, in accordance with Cooperative Agreement No. Eckwn.MissssW NRC-29-83-621. 39215-1700 $Qh The original was sent to the NRC's Public Document Room, Washington, DC, and a copy is being provided to the Division of Contracts and Property Management and the Office of Nuclear Reactor Regulations, Washington, DC. Should you have any questions or comments regarding this report, please direct them to John Deisch or Bob Be.ll at (601) 354-6657. Sincerely, Eddie S. Fuente, Director Division of Radiological Health ESF/ds Enclosure 150139 l m c5mtes 9503170088 941231 hl PDR ADOCK 05000416 l R PDR

+,, ~ 9 l i REPORT TO THE NUCLEAR REGULATORY COMMISSION ENVIRONNENTAL NONITORING AT GRAND GULF NUCLEAR STATION CALEh' OAR YEAR 1994 NRC CONTRACT NUMBER NRC-29-83-621 f ENVIRONMENTAL MONITORING AND EMERGENCY RESPONSE BRANCH DIVISION OF RADIOLOGICAL HEALTH MISSISSIPPI STATE DEPARTMENT OF HEALTH o ddie S. Fuente; Director, Division of Radiological Health Rob Bell; Health Physicist-Administrative, Environmental Monitoring and Emergency Response Branch i

1 ~ O*. e (.., ,1-- l l i i Abstract: Under_ contract to the U.S. Nuclear Regulatory Commission (NRC), the Mississippi State Department of Health (MSDH), Division _of Radiological. Health (DRH) provides environmental radiological data to the NRC pertaining to the - Grand Gulf Nuclear Station -(GGNS), Claiborne County, Mississippi. l The results detailed in this report are for Calendar Year 1994 which represent the fourteenth year of this contract with the State of Mississippi. i [ W I l I 1 t i l

m c. 'o GRAND GULF NUCLEAR STATION l CLAIBORNE COUNTY, MISSISSIPPI CY-1994 i TABLE OF CONTENTS I. AIR SAMPLING STATION DATA PAGE A. MSDH " Arnold Acres" & GGNS " Training Center" 1. Particulate Gross Beta 2 2. Radiolodine 6 3. Quarterly Composite (Gamma Isotopic) 10 + B. MSDH " Rad Health Bldg" & GGNS "Vicksburg" 1. Particulate Gross Beta Control 11 2. Radiciodine Control 15 3. Quarterly Composite (Gamma Isotopic) Control 19 II. MISSISSIPPI RIVER WATER DATA A. Gamma Isotopic Analysis 20 B. Tritium 21 III. MISSISSIPPI RIVER SHORELINE SEDIMENT l Gamma Isotopic Analysis 23 IV. ALCORN DAIRY MILK DATA A. Gamma Isotopic Analysis 24 B. Radiciodine 25 V. FISH " EDIBLE PORTIONS" DATA Gamma Isotopic Analysis 26 I VI. VEGETABLE PRODUCTS DATA Gamma Isotopic Analysis 27 VII. LOWER LIMITS OF DETECTION A. MSDH 28 B. Licensee 29 VIII. EPA CROSS-CHECK RESULTS-1994 30 1 I l

.l 16 o-u . c.. i l 1 f e i GRAND GULF NUCLEAR' STATION l CLAIBORNE COUNTY,' MISSISSIPPI l CY.L1994 i 4 Particulate Gross Beta-l These results are for particulate air' samples duplicated 1 by the MSDH and the Licensee which were analyzed for' Gross Beta. ] The Licensee's' sampler is located at the Old Training: Center (TC) 0.3 miles. south of the GGNS and designated as AS-5 (Indicator). The MSDH's comparable sampler is located at Arnold: Acres:(AA) 0.4 miles south of the GGNS. F Location Date MSDH Licensee (pci/m3) (pci/m*)- TC 12/28-01/04 0.015 AA 12/28-01/04 0.016 -l TC 01/04-01/11 0.014 l AA 01/04-01/11 0.038 TC 01/11-01/18 0.014 AA 01/11-01/18 0.006 TC 01/18-01/25 0.013 AA 01/18-01/25 0.007 TC 01/25-02/01 0.011 l AA 01/25-02/01 0.007 j TC 02/01-02/08 0.013 l AA 02/01-02/08 0.021 TC 02/08-02/15 0.007 AA 02/08-02/15 0.008 TC 02/15-02/22 0.006 AA 02/15-02/22 0.009 [ TC 02/22-03/01 0.021 AA 02/22-03/01 0.013 TC 03/01-03/08 0.014^ AA 03/01-03/08 0.017 l TC 03/08-03/15 0.016 AA 03/08-03/15 0.016 TC 03/15-03/22 0.018 AA 03/15-03/22 0.020 TC 03/22-03/29 0.029 AA 03/22-03/29 0.013 j i I i 2 l I l . ~..... --

.oe e ' :f41 l f 'I GRAND GULF NUCLEAR STATION I CLAIBORNE COUNTY, FISSISSIPPI i CY 1994 i .e Particulate Gross Beta (cont'd) i Location-Date MSDH. ' Licensee

I (Pci/m8)

(pci/m*) TC 03/29-04/05 0.011 AA 03/29-04/05 0.013 { TC 04/05-04/12 0.023s AA 04/05-04/12 0.008 t TC 04/12-04/19 C. AA 04/12-04/19 0.023 D TC 04/19-04/26 0.016 AA 04/19-04/26 0.016 ? TC 04/26-05/03 0.009 AA 04/26-05/03 0.016 TC. 05/03-05/10 0.021 AA 05/03-05/10 0.032 TC 05/10-05/17 0.013 AA 05/10-05/17 0.019 TC 05/17-05/24 0.015 l -)U4 05/17-05/24 0.056 TC 05/24-05/31 0.013 'l AA 05/24-05/31 0.015 j TC 05/31-06/07' O.011 AA 05/31-06/07 0.025 j TC 06/07-06/14 . 0.017 j AA 06/07-06/14 0.012 TC 06/14-06/21 0.010 l AA 06/14-06/21 0.032 l E TC 06/21-06/28 0.016 l AA 06/21-06/28 0.035 l TC 06/28-07/05 0.020 ~ AA 06/28-07/05 0.072 i TC 07/05-07/12 0.013 i AA 07/05-07/12 0 020 TC. 07/12-07/19 -0.010 .j AA 07/12-07/19 0.030 l TC 07/19-07/26 0.015 AA 07/19-07/26 0.056 l TC 07/26-08/02 0.023-AA 07/26-08/02 0.065 j 3 J

~. ~ _ =. -.. _~ j*. 7 q. GRAND GULF NUCLEAR. STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 l Particulate Gross Beta (cont'd) i Location Date MSDH -Licensee. L (pCi/m8). (pCi/m3) TC 08/02-08/09 0.011 AA. 08/02-08/09 0.052 TC 08/09-08/16 0.011' AA 08/09-08/16 0.086 'TC 08/16-08/23 0.018 AA 08/16-08/23 0.047 TC 08/23-08/30 0.023' AA 08/23-08/30 0.080 .TC_ 08/30-09/07 0.023 1 AA 08/30-09/07-0.054 0 TC 09/07-09/13 0.019 i AA 09/07-09/13 0.089 't TC~ 09/13-09/20. ',16 AA 09/13-09/20 0.099 TC 09/20-09/27 u.019 l AA 09/20-09/27 0.'067 H TC 09/27-10/04 0.019 AA 09/27-10/04 0.011 r 3 TC 10/04-10/11 0.014 AA. 10/04-10/11 J l TC 10/11-10/18 0.006 AA 10/11-10/18 K TC 10/18-10/25 0.015 AA 10/18-10/25 0.027 i TC 10/25-11/01 -0.017 AA 10/25-11/01 .0.034 l TC 11/01-11/08 0.018 AA 11/01-11/08 0.053 i TC 11/08-11/15 0.013 AA 11/08-11/15 0.026 TC 11/15-11/22 0.016 AA 11/15-11/22 0.046 j L TC 11/22-11/29 0.019 AA 11/22-11/29 0.038-TC 11/29-12/06 0.014 r JV4 11/29-12/06 0.026 l 4 \\ .~.

n-L ' GRAND GULF NUCLEAR STATION CLAIBORNE-COUNTY, MISSISSIPPI CY 19941 Particulate Gross Beta (cont'd) l Location Date MSDH Licensee (Pci/m2) (pci/m3) TC 12/06-12/13 0.015 AA 12/06-12/13 0.041 f, TC 12/13-12/20 0.018 AA 12/13-12/20 0.040-TC 12/20-12/28 0.021 AA 12/20-12/28 0.054 i 't 4 i i r i A Blown fuse at 150.38 hours run time. B Blown fuse at 16.7 hours run time. C Blown fuse at.1 hours run time. t ' D. Mechanical failure at 127.5 hours run time. E-Power failure at 154.6 hours run time. i F. Blown fuse at 22.2' hours run tima. G Blown fuse at 126.1 hours run time. H Power failure at 78.0 hours run time. I' No flow at time of collection. J. Mechanical failure at 1 hours run time. j K No sample. j L Blown fuse at.123.5 hours run time. 4 5 t ? 1 s --W-w v i -r.,

t ..9: p { = i-o . GRAND' GULF-NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 'Radioiodine These results are for charcoal vanister air samples duplicated by the MSDH and the Licensee which_wereJanalyzed for radiolodine. The Licensee's sampler is located at the Old Training Center (TC) 0.3. miles south of the GGNS and designated as AS (Indicator). The MSDH's comparable sampler is located'at Arnold Acres (AA) 0.4 miles south of the GGNS. Location Date MSDH Licensee (pci/m8) (pCi/m8)' TC 12/28-01/04 <0.014. AA 12/28-01/04 <0.07 TC 01/04-01/11 <0.021 AA 01/04-01/11 <0.07 TC 02/11-01/18 <0.026 AA 01/11/01/18 <0.07 TC 01/18-01/25 <0.010 AA 01/18-01/25 <0.07 TC 01/25-02/01 <0.013 AA 01/25-02/01 <0.07 TC 02/01-02/08 <0.023 AA 02/01-02/08 <0.07 TC 02/08-02/15 <0.029 AA 02/08-02/15 <0.07 TC 02/15-02/22 <0.010 AA 02/15-02/22 <0.07 TC 02/22-03/01 <0.013 AA 02/22-03/01 <0.07 TC 03/01-03/08 < 0. Git" AA 03/01-03/08 <0.07 TC 03/08-03/15 <0.023 AA 03/08-03/15 <0.07 TC 03/15-03/22 <0.019 AA 03/15-03/22 <0.07 TC 03/22-03/29 <0.016 AA 03/22-03/29 <0.07 6

I w i GRAND GULF NUCLEAR STATION I CLAIBORNE COUNTY, MISSISSIPPI CY 1994 l L Radiciodine (cont'd) f Location Date MSDH Licensee l (pCi/m8). (pci/m*) l i TC 03/29-04/05 <0.009 AA 03/29-04/05 <0.07 8 TC 04/05-04/12 <0.014 i I AA 04/05-04/12 < 0. 07 - TC 04/12-04/19 C i AA 04/12-04/19 <0.07 0 TC 04/19-04/26 <0.011 1 AA 04/19-04/26 <0.07 TC 04/26-05/03 <0.014 AA 04/26-05/03 <0.07 TC 05/03-05/10 <0.015 l AA-05/03-05/10 <0.07 j TC 05/10-05/17- <0.015 AA-05/10-05/17 <0.07 TC 05/17-05/24 <0.015 l TC 05/24-05/31 <0.012. AA 05/17-05/24 <0.07 AA 05/24-05/31 <0.07 -i TC 05/31-06/07 <0.015 AA 05/31-06/07 <0.07 TC 06/07-06/14 <0.017 AA 06/07-06/14 <0.07 TC 06/14-06/21 <0.008 j AA 06/14-06/21 <0.07 E TC 06/21-06/28 <0.009 l AA 06/21-06/28 <0.07 TC 06/28-07/05 <0.012 AA 06/28-07/05 <0.07 TC 07/05-07/12 <0.013 AA 07/05-07/12 <0.07 TC 07/12-07/19 <0.013 AA 07/12-07/19 <0.07 TC 07/19-07/26 <0.012 AA 07/19-07/26 <0.07 TC 07/26-08/02 '<0.014 AA 07/26-08/02 <0.07 1 7

se e v,. GRAND' GULF NUCLEAR STATION i ( CLAIBORNE COUNTY, MISSISSIPPI j CY 1994 -i I l Radiciodine (cont'd)- j u ' Location Date MSDH Licensae '(pCi/m3 ). (pCi/ms) 'TC. 08/02-08/09 <0.013 .l AA' 08/02-08/09 <0.07 l TC 08/09-08/16 <0.017 AA. 08/09-08/16 <0.07 l TC 08/16-08/23 <0.013 l AA 08/16-08/23 <0.07 j TC 08/23-08/30 <0.015' j AA 08/23-08/30 <0.07 TC 08/30-09/07 <0.014 j AA 08/30-09/07 <0.07 TC 09/07-09/13 <0.018 ] G AA 09/07-09/13 <0.07 l TC 09/13-09/20 <0.010 j AA 09/13-09/20 <0.07 ] TC 09/20-09/27 <0.015- { AA 09/20-09/27 <0.07 TC 09/27-10/04- <0.034" i .AA 09/27-10/04 <0.07 3 TC 10/04-10/11 <0.021 AA 10/04-10/11 J TC 10/11-10/18 <0.016 i AA 10/11-10/18 K j TC 10/18-10/25- <0.019 AA 10/18-10/25 <0.07 TC. 10/25-11/01 <0.016 AA 10/25-11/01 <0.07 i TC 11/01-11/08 <0.019 l AA 11/01-11/08 <0.07 TC 11/08-11/15 <0.012 AA 11/08-11/15 <0.07 j TC 11/15-11/22 <0.017 l AA 11/15-11/22 <0.07 ) L TC-11/22-11/29 <0.019 AA. 11/22-11/29 <0.07 TC 11/29-12/06 <0.014 i AA 11/29-12/06 <0.07 .j 8

na e i GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 Radioiodine (cont'd) Location Date MSDH Licensee (pCi/m3) (pCi/m8) TC 12/06-12/13 <0.018 AA 12/06-12/13 <0.07 TC 12/13-12/20 <0.012 AA 12/13-12/20 <0.07 TC 12/20-12/28 <0.025 AA 12/20-12/28 <0.07 l P A Blown fuse at 150.38 hours run time. B Blown fuse at 16.7 hours run time. C Blown fuse at.1 hours run time. D Mechanical failure at 127.5 hours run time. E Power failure at 154.6 hours run time. F Blown fuse at 22.2 hours run time. G Blown fuse at 126.1 hours run time. H Power failure at 78.0 hours run time. I No flow at time of collection. J Mechanical failure at .1 hours run time. K No sample. L Blown fuse at 123.5 hours run time. 9

~~ .6 ' i bt ~ ~ .} GRAND. GULF NUCLEAR STATION l CLAIBORNE COUNTY, MISSISSIPPI t. CY-1994-Quarterly Composite (Gamma Isotopic) 6 These results are for particulate air, samples, collected during a quarter, duplicated by the.MSDH and the Licensee = which were analyzed as a composite for gamma emitters. The Licensee's sampler is located at the Old Training Center.(TC) 0.3 miles south of the GGNS and designated as AS-5 (Indicator). .The MSDH's sampler is located at-Arnold Acres,(AA) 0.4 miles south'of the GGNS. h Location Date MSDH Licensee -(pCi/mS) (pCi/m8) TC 12/28-03/29 <0.01 i AA 12/28-03/29 <0.01 f TC 03/29-06/28 <0.01-3 AA 03/29-06/28 <0.01 i TC 06/28-09/27 <0.01 l - AA 06/28-09/27 <0.01 TC 09/27-12/28 <0.01 AA' 09/27-12/28 <0.01 i i i E 6 i 1 10 I t -i

GRAND GULF ~ NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 Particulate Gross Beta Control These results are for particulate air samples taken from control locations by the MSDH and the Licensee - which - were - analyzed for Gross Beta. The Licensee's sampler is located in Vicksburg (VB) 18 miles north of.the GGNS and-designated as AS-3 (Control). The MSDH's sampler is located behind the Radiological ~ -Health Building (RH) in Jackson, 51 miles east northeast of the GGNS. Location Date MSDH Licensee (PCi/m2) (pci/m8) VB 12/28-01/04 0.014 RH 12/28-01/04 0.019 VB 01/04-01/11 0.014 RH 01/04-01/11 0.009 VB 01/11-01/18 0.017 RH 01/11-01/18 0.021 VB 01/18-01/25 0.013 RH 01/18-01/25 0.030 VB 01/25-02/01 0.011 RH 01/25-02/01 0.045 VB 02/01-02/08 0.01e RH 02/01-02/08 0.021 vB 02/08-02/15 0.004 RH 02/08-02/15 0.010 VB 02/15-02/22 0.008 RH 02/15-02/22 0.016 VB 02/22-03/01 0.013 RH 02/22-03/01 0.021 VB 03/01-03/08 0.009 RH 03/01-03/08 0.024 VB 03/08-03/15 0.005" RH 03/08-03/15 0.025 VB 03/15-03/22 .0.007 RH 03/15-03/22 0.034 VB 03/22-03/29 0.018 RH 03/22-03/29 0.016 11

a , Q6 ] J ii s. 1 GRAND' GULF NUCLEAR STATION l CLAIBORNE COUNTY, MISSISSIPPI CY 1994 t Particulate Gross Beta Control (cont'd) f ? i Location' Date MSDH-Licensee -l (pCi/m8) (pCi/m3) .l f VB 03/29-04/05 0.017 RH 03/29-04/05 0.015 i VB 04/05-04/12 0.014 RH .04/05-04/12 0.012 [ VB- '04/12-04/19 0.030 .j RH 04/12-04/19 0.026 VB 04/19-04/26 0.016 'l RH 04/19-04/26 0.020 j VB 04/26-05/03 0.011 -l RH 04/26-05/03 0.016 i VB 05/03-05/10 0.024 RH 05/03-05/10 0.026 VB 05/10-05/17 0.016 RH 05/10-05/17 0.029 j VB: 05/17-05/24 0.012. RH 05/17-05/24 0.043 VB 05/24-05/31 0.014 { RH 05/24-05/31 0.022 4 VB 05/31-06/07 0.005 l RH 05/31-06/07 0.014 1 VB 06/07-06/14 0.009 l RH. 06/07-06/14 0.014 VB 06/14-06/21 0.007 l RH 06/14-06/21 0.018 VB 06/21-06/28 0.013 RH 06/21-06/28 -0.017 l VB 06/28-07/05 0.015 i RH 06/28-07/05 0.032 VB 07/05-07/12 0.011 RH 07/05-07/12 0.012 VB 07/12-07/19 0.010 RH 07/12-07/19 0.022 l VB 07/19-07/26 0.014 l RH 07/19-07/26 0.018 + VB 07/26-08/02 0.024 RH 07/26-08/02 0.006 j l l. 12 l l l l 1 -'l

n o GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 Particulate Gross Beta Control (cont'd) Location Date MSDH Licensee (pCi/m3) (pci/m ) s VB 08/02-08/09 0.012 RH 08/02-08/09 0.008 vB 08/09-08/16 0.017 RH 08/09-08/16 0.034 VB 08/16-08/23 0.016 RH 08/16-08/23 0.035 VB 08/23-03/30 0.024 RH 08/23-08/30 0.029 VB 08/30-09/07 0.035 RH 08/30-09/07 0.032 VB 09/07-09/13 0.019 RH 09/07-09/13 0.046 VB 09/13-09/20 0.018 RH 09/13-09/20 0.033 VB 09/20-09/27 0.021 RH 09/20-09/27 0.033 VB 09/27-10/04 0.030 RH 09/27-10/04 0.037 VB 10/04-10/11 0.021 RH 10/04-10/11 0.022 VB 10/11-10/18 0.007 RH 10/11-10/18 0.012 VB 10/18-10/25 0.014 RH 10/18-10/25 0.023 VB 10/25-11/01 0.013 RH 10/25-11/01 0.028 VB 11/01-11/08 0.031 RH 11/01-11/08 0.028 VB 11/08-11/15 0.009 RH 11/08-11/15 0.018 VB 11/15-11/22 0.011 RH 11/15-11/22 0.026 VB 11/22-11/29 0.013 N RH 11/22-11/29 0.025 VB 11/29-12/06 0.017 RH 11/29-12/06 0.021 1 13 i

~ a + l ' GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI 1 CY 1994 i i Particulate Gross Beta Control (cont'd) l l Location Date MSDH ' Licensee-(pCi/m8) (pCi/m8). { -VB' 12/06-12/13 0.016 RH 12/06-12/13 0.020 l VB 12/13-12/20 0.023 i RH 12/13-12/20 0.026 VB 12/20-12/28 0.018 RH 12/20-12/28 0.030 r L I l l "l t l r M Power failure at 92.0 hours run time. N Mechanical failure at 137.1 hours run time. O Mechanical failure at 158.5 hours run time. I 14 l i I I

e GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 Radioiodine Control These results are for charcoal canister air samples taken from control locations by the MSDH and the Licensee which were analyzed for radiciodine. The Licensee's sampler is located in Vicksburg (VB) 18 miles north of the GGNS and designated as AS-3 (Control). The MSDH's sampler is located behind the Radiological Health Building (RH) in Jackson, 51 miles east northeast of the GGNS. Location Date MSDH Licensee (PCi/m2) (pci/m8) VB 12/28-01/04 <0.014 RH 12/28-01/04 <0.07 VB 01/04-01/11 <0.021 RH 01/04-01/11 <0.07 VB 01/11-01/18 <0.026 RH 01/11-01/18 <0.07 VB 01/18-01/25 <0.010 RH 01/18-01/25 <0.07 VB 01/25-02/01 <0.013 RH 01/25-02/01 <0.07 VB 02/01-02/08 <0.023 RH 02/01-02/08 <0.07 VB 02/08-02/15 <0.029 RH 02/08-02/15 <0.07 VB 02/15-02/22 <0.010 EI' 02/15-02/22 <0.07 VB 02/22-03/01 <0.013 RH 02/22-03/01 <0.07 VB 03/01-03/08 <0.014 RH 03/01-03/08 <0.07 VB 03/08-03/15 <0.023" RH 03/08-03/15 <0.07 VB 03/15-03/22 <0.019 RH 03/15-03/22 <0.07 VB 03/22-03/29 <0.016 { RH 03/22-03/29 <0.07 l 15 l

4.- j ~) l GRAND GULF NUCLEAR STATION 1 CLAIBORNE COUNTY, MISSISSIPPI CY 1994 ~1 -Radiciodine Control (cont'd)- _l Location Date MSDH ' Licensee (Pci/m8) (pci/m*) [ VB 03/29-04/05 <0.009' RH 03/29-04/05 <0.07 t VB 04/05-04/12 <0.014 1 RH 04/05-04/12 <0.07 i VB 04/12-04/19 <0.027 -j RH 04/12-04/19 <0.07 i VB 04/19-04/26 <0.011 - RH 04/19-04/26 <0.07 VB 04/26-05/03 <0.0141 l RH 04/26-05/03 <0.07 l VB 05/03-05/10 < 0. 015 f l RH 05/03-05/10 <0.07 -VB 05/10-05/17 '<0.015' RH 05/10-05/17 <0.07 VB 05/17-05/24 <0.015 RH 05/17-05/24 <0.07 l VB 05/24-05/31 <0.012 _i RH 05/24-05/31 <0.07 .{" VB 05/31-06/07 <0.015 RH 05/31-06/07 <0.07 -7 . 0.017 l VB 06/07-06/14 RH 06/07-06/14 < 0. 07 - j VB 06/14-06/21 <0.008 RH 06/14-06/21 <0.07 j VB 06/21-06/28 <0.009 RH 06/21-06/28 <0.07 VB 06/28-07/n5 <0.012 RH 06/28-07/05 <0.07-VB 07/05-07/12 <0.013' RH 07/05-07/12 <0.07 l VB 07/12-07/19 <0.013 RH 07/12-07/19 <0.07 VB 07/19-07/26 <0.012 RH 07/19-07/26 <0.07 1 -VB 07/26-08/02 <0.014 RH 07/26-08/02 <0.07 l i 16 i 9 ._.c,

i~ ,j-r. ?p GRAND GULF NUCLEAR. STATION. CLAIBORNE COUNTY; MISSISSIPPI CY-1994 g i Radiciodine. Control (cont d); Location Date MSDH ' Licensee (pCi/m2) (pCi/m2)- VB 08/02-08/09 <0.013 .RH 08/02-08/09 <0.07 VB 08/09-08/16 <0.017 RH 08/09-08/16 <0.07 VB 08/16-08/23- <0.013 RH 08/16-08/23 <0.07 VB-08/23-08/30 <0.015 RH 08/23-08/30 <0.07 VB 08/30-09/07 .<0.014 RH 08/30-09/07 <0.07 VB 09/07-09/13 <0.018-RH 09/07-09/13 <0.07 VB 09/13-09/20 <0.010 RH 09/13-09/20 <0.07 VB 09/20-09/27 <0.015 RH 09/20-09/271 <0.07 VB 09/27-10/04 . < 0. 0 3 4 ' RH 09/27-10/04 <0.07 VB 10/04-10/11 <0.021 RH 10/04-10/11 <0.07 VB 10/11-10/18 <0.016 RH 10/11-10/18 <0.07 VB If'/18-10/25 .<0.019 RH 10/18-10/25 <0.07 VB 10/25-11/01 <0.016 RH 10/25-11/01 <0.07 VB 11/01-11/08. <0.019 RH 11/01-11/08 <0.07 VB 11/08-11/15 <0.012 RH 11/08-11/15 <0.07 VB 11/15-11/22 <0.017 RH 11/15-11/22 <0.07 VB 11/22-11/29 < 0. 019" RH 11/22-11/29 <0.07 0 VB 11/29-12/06 <0.014 .RH 11/29-12/06 <0.07 17

-.W s _. 9 i ' i t M GRAND. GULF NUCLEAR' STATION CLAIBORNE COUNTY,-MISSISSIPPI' CY 1994 E Radioiodine Control'(cont'd) f Location-Date MSDH ' Licensee (pCi/m8) '(pCi/m8 ) ' i i VB 12/06-12/13 <0.018 i RH 12/06-12/13' <0.07 VB 12/13-12/20 <0.012 RH 12/13-12/20 <0.07 l . VB - 12/20-12/28 <0.025 RH 12/20-12/28 <0.07 l i i ? l -l ? M Power railure at 92.0 hours run time. j N Mechanical failure at 137.1 hours run time. O' Mechanical failure at 158.5 hours run time. 18 4 a

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GRAND GULF NUCLEAR ~ STATION i CLAIBORNE: COUNTY,-MISSISSIPPI CY 1994-l -g l Quarterly Composite ~(Gamma Isotopic) Control. These results are for; particulate air samples, 'l collected'during a quarter, taken from control locations'by the-i .MSDH and the Licensee which were analyzed as a composite for gross gamma emitters. The Licensee's sampler is located'in'Vicksburg (VB).18 miles north of the GGNS and designated as AS-3 (Control). The MSDH's sampler.is located behind the ~ Radiological. Health l Building-(RH) in Jackson, 51. miles east northeast of the GGNS. -l l .] Location ~ Date MSDH Licensee i (pCi/m2) .(pCi/m8) VB 12/28-03/29 <0.01' l RH 12/28-03/29 <0.01 VB 03/29-06/28 <0.01 RH 03/29-06/28 <0.01 VB 06/28-09/27 <0.01 RH 06/28-09/27 <0.01 VB 09/27-12/28 < 0. 01. '0.01 RH 09/27-12/28 9 t 1 1 19 t l -l ~

r a [j.( .? .i GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 . Gamma Isotopic Analysis These results are for river water samples split with. i the Licensee and analyzed. by Gamma Isotopic analysis. The Mississippi River Water Upstream (MRU) sample location is 2 miles north northwest of the GGNS (Control). The Mississippi River Water' Downstream (MRD) sample location is 2 miles west southwest of the GGNS (Indicator). Location Date MSDH Licensee-(Pci/1) (pCi/1) MRU 01/04/94 <LLD <LLD MRU' 01/04/94 <LLD MRU 02/01/94 <LLD <LLD MRU 03/01/94 <LLD <LLD MRU 04/01/94 <LLD <LLD P MRU 04/01/94 <LLD MRU 05/03/94 <LLD <LLD MRU 06/01/94 <LLD <LLD MRU 07/05/94 <LLD <LLD MRU 08/02/94 <LLD <LLD 'MRU 09/01/94 <LLD <LLD l MRU 10/04/94 <LLD <LLD MRU 11/01/94 <LLD <LLD MRU 12/06/94 <LLD <LLD .i MRD 01/04/94 <LLD <LLD 'I MRD" 01/04/94 <LLD MRD 02/01/94 <LLD <LLD MRD 03/01/94 <LLD <LLD MRD 04/01/94 <LLD <LLD P MRD 04/01/94 <LLD MRD 05/03/94 <LLD <LLD MRD 06/01/94 <LLD <LLD MRD 07/05/94 <LLD <LLD MRD 08/02/94 <LLD <LLD MRD 09/01/94 <LLD <LLD MRD 10/04/94 <LLD <LLD MRD 11/01/94 <LLD <LLD { MRD 12/06/94 <LLD <LLD P Duplicate sample for Licensee Quality Control program. 20

s. GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 Tritium These results are for river water samples split by the MSDH and the Licensee and analyzed for tritium using liquid scintillation analysis. The Mississippi River Water Upstream (MRU) sample location is 2 miles north northwest of the GGNS (Control). l The Mississippi River Water Downstream (MRD) sample location is 2 miles west southwest of the GGNS (Indicator). The Licensee's LLD is computed individually for each sample and indicated by "<nnn" below. Licensee's results are a quarterly composite of the preceding three months. The MSDH tritium analyses are performed monthly. Location Date MSDH Licensee (PCi/1) (pCi/1) MRU 01/04/94 <330 Q MRU 02/01/94 <330 Q MRU 03/01/94 <330 <400 P MRU 03/01/94 <400 MRU 04/01/94 <330 Q MRU 05/03/94 <330 Q MkU 06/01/94 <330 <380 MRU 07/05/94 <330 Q MRU 08/02/94 <330 Q MRU 09/01/94 <330 <490 MRU 10/04/94 <330 Q MRU 11/01/94 <330 Q MRU 12/06/94 <330 <310 MRD 01/04/94 <330 Q MRD 02/01/94 <330 Q MRD 03/01/94 <330 <400 MRD" 04/01/94 <400 MRD 04/01/94 <330 Q MRD 05/03/94 <330 Q MRD 06/01/94 <330 <380 MRD 07/05/94 <330 Q MRD 08/02/94 <330 Q MRD 09/01/94 <330 <490 21

l' O GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 Tritium (cont'd) Location Date MSDH Licensee (PCi/1) (pci/1) MRD 10/04/94 <330 Q MRD 11/01/94 <330 Q MRD 12/06/94 <330 <310 6 P Duplicate sample for Licensee Quality Control program. O composite sample, results below. 1 22 i

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s l GRAND GULF NUCLEAR STATION [ 'CLAIBORNE COUNTY, MISSISSIPPI l CY 1994 Gamma Isotopic Analysis .These results. are for river sediment. samples collected in duplicate. and analyzed by Gamma Isotopic methods. The MSDH designates their control as the Mississippi River Upstream 1 (MRU) and their indicator as-the Mississippi River Downstream .{ (MRD). The Licensee's designation for control'is the Mississippi River Upstream, (SEDCONT) and indicator is Hamilton Lake (SEDHAM). The controls are both located approximately 2 miles north northwest ~ of GGNS. The indicators are located approximately 2 miles west l southwest of the GGNS. Location Date MSDH Licensee (pCi/kg) (pCi/kg) MRU 06/01/94 <LLD SEDCONT 06/01/94 <LLD i P SEDCONT 06/01/94 <LLD MRD 06/01/94 <LLD SEDHAM 06/01/94 <LLD P SEDHAM 06/01/94 <LLD MRU 12/06/94 <LLD SEDCONT 12/06/94 <LLD MRD 12/06/94 <LLD SEDHAM 12/06/94 <LLD I J ) .I 1 P Duplicate sample for Licensee Quality Control program. I 23 i

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l i GRAND GULF NUCLEAR STATION' I CLAIBORNE COUNTY, MISSISSIPPI 'Y 1994 i C y Gamma Isotopic-Analysis These results are for~ duplicate Alcorn Dairy milk .[ -samples which the MSDH and the Licensee analyzed by GarMa Isotopic methods. Alcorn Dairy is located eleven miles southwest of.the GGNS.- Samples are labeled RH for Radiological Health and GG for ' Licensee. Sample Date MSDH Licensee 1 ~ (PCi/1) (pci/1) .j i RH 05/11/94 <15 l' GG 05/11/94 <15-P GG 05/11/94' <15 [ RH 11/10/94 <15 GG 11/10/94 <15 i I i r I l P Duplicate sample for Licensee Quality Control program. i l 24 i w.

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-j GRAND GULF NUCLEAR STATION .CLAIBORNE COUNTY', MISSISSIPPI f L CY 1994 j i Radioiodine-l These results are for duplicate Alcorn Dairy milk samples which.the MSDH and the Licensee analyzed for radioiodine by j

Gamma Isotopic methods.

Alcorn Dairy is located eleven miles j southwest of the GGNS. Samples are labeled RH for Radiological Health and GG'for Licensee.- l Sample Date MSDH Licensee-(pCi/l) (pCi/l) i RH 05/11/94 <1 GG 05/11/94 <0.2. L P GG 05/11/94 <0.2 ( RH 11/10/94 <1 GG 11/10/94 <0.7 I l 'i, i i I 'i i ? F i P ' Duplicate sample for Licensee Quality Control program. ( 25 } E

-j ?* j- - l* I s GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY,. MISSISSIPPI CY 1994 Gamma Isotopic Analysis . These' results are for edible. fish samples taken from the Mississippi 1 River Upstream (MRU) approximately.2 miles north northwest of the GGNS.and the Mississippi River Downstream (MRD) approximately 2 miles west southwest of the GGNS. Each sample was analyzed by Gamma Isotopic methods. . Location Date MSDH ' Licensee (PCi/kg) (pCi/kg) MRU 05/14/94 <LLD <LLD P MRU. 05/14/94 .<LLD MRD 05/14/94 <LLD <LLD MRU 11/07/94 .<LLD <LLD MRD 11/07/94 <LLD <LLD P Duplicate sample for Licensee Quality control program. 26

g g. t , 7. a ', o i l . GRAND GULF NUCLEAR STATION i CLAIBORNE COUNTY, MISSISSIPPI 'CY 1994 i Gamma Isotopic Analysis These results are for vegetation samples-taken l from Sectors J, K, and R. 'These samples were analyzed by Gamma j Isotopic methods. Vegetable Sector Date MSDH Licensee (pCi/kg) (pCi/kg) Savoy Cabbage J 01/11/94 <60 <60 Savoy Cabbage' J 01/11/94 <60 i Collards K 01/11/94 <60 -<60 l P Collards K 01/11/94 <60 l 5 Kale R 01/11/94 <60 <60 P Kale R 01/11/94 <60 Swiss Chard J-04/11/94 <60 <60 Swiss Chard K 04/11/94 ~ <60 <60 Swiss Chard R 04/11/94 <60 <60 l l Swiss Chard J 07/12/94 <60 <60 Cabbage K 07/12/94 <60 <60 Swiss Chard R 07/12/94 <60 <60 Collards J 11/09/94 <60 <60 Rape K 11/09/94 <60 <60 Collards R 11/09/94 <60 <60 P Duplicate sample for Licensee Quality Control program. 27

r _;y.. to GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 MSDH Lower Limit of Detection._(LLD) contractual'ly specified detection .The ' following are capabilities for environmental sample analyses. Airborne Particulate Fish, Meat-Food Water or Gas or Poultry Milk' Products Sediment Analysis (pci/1) (pci/m') (pci/kg, wet) (pci/1) (pci/kg, wet) (pci/kg, dry) 8 gross beta 4 1.0E 02

  • H 2000 10008 HMn 15 1.0E-02 130 60 100 "Fe 30 2.0E-02 260 80 200 "Co 15 1.0E 02 130 50 100 "Co 15 1.0E-02 130 50 100 "En 30 2.0E-02 260 60 200 "Zr 30 2.0E 02 80 200 "Nb 15 2.0E 02 80 200

"'I l' 7.0E-02 1 60 200 8"Cs 15 5.0E 02 130 15 60 150 2"Cs 18 6.0E 02 150 18 80 180 8"Ba 60 2.0E 02 60 60 200 8"La 15 2.0E-02 15 60 200 Q LLD for drinking water. 28

1 , ;. v. -- -.- l0. ' \\ 1 i i GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 f Licensee Lower limit of Detection (LLD). j The.following are maximum values of the Lower Limits of Detection for environmental' sample analyses from the Offsite Dose Calculation Manual, i Airborne Particulate Fish, Meat Food Water or Gas or Poultry Milk . Produc t.s Sediment Analysis (pci/1) ~ (pci/m*) (pci/kg, wet) (pci/l) (pCi/kg, wet) (pci/kg, dry)' gross beta 4 1.0E-02

  • H 3000

-{ 0 2000

    • Mn 15 130 "Ye 30 260 "Co 15 130 "Co 15 130 "Zn 30 260 "Zr 30 "Nb 15
      • I 10 7.0E 02 1

60

  • ** Cs 15 5.0E 02 130 15 60 150 t

'"Cs 18 6.0E 02 150 18 80 180

  • **Ba 60 60 t

8"La 15 15 I r \\ l j i 1 L l-l Q LLD for drinking water. i I i l 29 i l i 1 l f t

f ~"'" ' ~ ^ ^ j#' j,- l ^O I GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI + CY 1994 i i ~ EPA Cross-Check Results--1994 All values reported in pCi/1.unless otherwise indicated. t Reported Known' I January Strontium in Water Strontium 89 21, 22, 22 25 8.7 Strontium 90 16, 16, 17 15t8.7 Gross Alpha / Beta in Water Alpha 22, 23, 23 15 8.7 Beta 60, 61, 62 62 17.3 February Iodine in Water Iodine 118, 119, 120 119120.8 Uranium and Radium in Water i Uranium 10.2, 10.2, 10.3 10.1 5.2 Radium'226 23.1, 23.1, 23.2 19.9i5.2 Radium 228 15.8, 15.8, 15.8 14.716.4 j March Tritium in Water l Tritium 4232, 4254, 4307 4936 857 April Performance Evaluation l Intercomparison Study Alpha 102,104,106 86138.2 i Radium 226 20.9, 20.9, 20.9 20.015.2 -[ Radium 228 21.1, 21.1, 21.0 20.li5.2 i Uranium 20.1, 20.2, 20.3 25.0i5.2 [ Beta 114, 116, 117 117146.8 Strontium 89 17, 17, 18 20 8.7 i Strontium 90 16, 16, 17 1418.7 i Cesium 134 32, 32, 32 34i8.7 .j Cesium 137 32, 33, 33 2918.7 j Cobal' 60 20, 20, 20 20i8.7 l t i

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T-j ~ n o -- I 1 GRAND GULF NUCLEAR STATION CLAIBORNE COUNTY, MISSISSIPPI CY 1994 l I EPA Cross-Check Results (cont'd) i Reported Known l ' June ~ Radionuclides in Water l Cobalt'60 51, 51, 51 50 8.7 Zinc 65 145, 145, 145 134122.6' i Ruthenium 106 244, 245, 247 252143.4 Barium 133 90, 90, 90 98il7.3 Cesium.134-38, 39, 39 40i8.7 Cesium 137 52, 52, 52 49i8.7 i Uranium and Radium in Water i Uranium 46.7, 46.8, 46.9 52.6i8.7 i Radium 226 16.4, 16.4, 16.5 15.0i4.0 Radium 228 18.5, 18.6, 18.7 15.4 6.8 f July ( Strontium in Water Strontium 89 26, 26, 27 3018.7 l Strontium 90 20, 21, 21 20 8.7 i Gross Alpha / Beta in Water Alpha 44, 44, 45 32 13.9 t Beta 13,:14, 14 10i8.7 August Tritium in Water Tritium 10400,10477,10489 9951 1726 Air Filter l Alpha 34, 34, 34 35il5.6-* i' Beta 58, 58, 58 56117.3-* Strontium 90 22, 22, 22 20i8.7-* Cesium 137 16, 16, 17 15 8.7-* September Uranium and Radium in Water 'i Uranium 34.7, 34.8, 35.0 35.0i5.2 Radium 226 10.3, 10.3, 10.2 10.0i2.6 Radium 228 10.6, 10.7, 10.8 10.2 4.5 j i 31

<I 'g rg? ) j q$ * ' ' J- ~. ^ GRAND GULF' NUCLEAR STATION-CLAIBORNE COUNTY, MISSISSIPPI.. j CY 1994 EPA Cross-Check Results (cont'd)- i Reportedi Known Radionuclides in Milk ' Strontium 89 22, 23, 23 '25i8.7 Strontium 90 16, 17, 17 1518.7 Iodine.131 77, 78, 78 75120.8 Potassium 1530, 1540, 1550 1715 86-** Cesium 137 67, 67, 68 5918.7 r October ' Iodine'in Water 'I Iodine-76, 77, 7 '7 79 13.9 Performance Evaluation Intercomparison Study I Alpha 62, 62, 63 57114 Radium 226 10.5, 10.5, 10.5 9.912.6 Radium 228 9.8, 9.9, 9.9. 10.1 3.0 Uranium 20.1,20.1,20.2 20.0 5.2 1 Beta 133, 134, 135 142 21 Strontium 89 23, 23, 23-25 8.7 Strontium 90 13, 14, 14 15 8.7 Cobalt 60 40, 40, 40 40 8.7 Cesium 134 19, 20, 20 2018.7L l Cesium 137 39, 40, 41 39 8.7 Gross Alpha / Beta in Water f Alpha 60, 60, 60 .57 14 l Beta 30, 30, 31 2318.7 November Radionuclides in Water Cobalt 60 56, 56, 57 59i8.7 Zinc 65 95, 96, 97 100 10 ~I Barium 133 66, 67, 67 73i13.9 l Cecium 134 21, 21, 22 2418.7 Cesium 137 50, 50, 50 49 8.7-i i k i Values are reported as pCi/ filter. )

    • Values are reported as mg/ liter.

32 ) i}}

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