ML101970536

Gamma Spectrum Analaysis, Oc

ML101970536
Person / Time
Site:	Oyster Creek
Issue date:	04/18/2009
From:	- No Known Affiliation
To:	Office of Information Services
References
FOIA/PA-2009-0214
Download: ML101970536 (5)

Text

GAMMA S P E C TRUM ANALYSIS OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name  : DET02 Report Generated On 4/18/09 1:54:41 PM Spectral Data File Name C:\PCNT2K\CAMFILES\1LSOLMDA

\2000057.CNF Sample Title 1-L Solid Releas Sample Description Soil near CST; 3' depth User ID kg Sample Type 20 Sample Geometry 1-L Marinelli Peak Locate Threshold 3.00 Peak Locate Range (in channels) 1 - 4096 Peak Area Range (in channels) 100 - 4096 Identification Energy Tolerance 1.000 keV Sample Size 916.00 grams Sample Taken On 4/17/09 6:00:39 PM Acquisition Started 4/18/09 1:17:41 PM Decay Time 1.16E+003 Minutes Live Time 2518.0 Seconds Real Time 2518.6 Seconds Dead Time 0.02 %

Energy Calibration Used Done On 3/21/08 Efficiency Calibration Used Done On 3/21/08

~','

Background Subtract Report 4/18/09 1:54:41 PM Page 2

B*

• • • • B AC KG RO U ND S UB TR A CT R EP OR T

• • 99999%999999999999999999999999999999 Detector Name: DET02 Sample

Title:

1-L Solid Releas Peak Analysis Performed on: 4/18/09 1:54:41 PM Peak Energy Original Orig. Area Ambient Backgr. Subtracted Subtracted No. (keY) Area Uncert. Background Uncert. Area Uncert.

1 238.55 8. 93E+001 25.79 8.93E+001 2.58E+001 2 351.79 6. 56E+001 20.27 6.56E+001 2 .03E+001 3 583.11 4. 83E+001 11.95 4.83E+001 1 .20E+001 4 609.35 3. 25E+001 13.39 3.25E+001 1.34E+001 5 661.44 6. 48E+001 14.37 6.48E+001 1 .44E+001 6 969.71 1. 87E+001 11.00 1.87E+001

1. 10E+001 7 1173.52 7 . 12E+002 28.31 7.12E+002 2 .83E+001 8 1332.95 6. 31E+002 26.51 6.31E+002 2 .65E+001 9 1461.43 4. 56E+001 7.94 4.56E+001 7 .94E+000 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 1.000 sigma

Nuclide MDA Report 4/18/09 1:54:42 PM Page 3

N U C-L I D E M D A R E P 0 R T w*

Detector Name: DET02 Sample Geometry: I-L Marinelli Sample

Title:

1-L Solid Releas Nuclide Library Used: C:\GENIE2K\CAMFILES\AnSolMDA.NLB Nuclide Energy Yield Line MDA Nuclide MDA Activity Name (keV) (%) (uCi/gram) (uCi/gram)

(uCi/gram)

CS-134 563.23 8.38 9.67E-007 8.14E-008 6.52E-008 569.32. 15.43 4.87E-007

3. 54E-008 604.70 97.60 8. 14E-008

3. 96E-008 795.84 85.40 1. 45E-007 7 .24E-008 801.93" 8.73 1.20E-006 3 .30E-007 1365.15 3.04 2.32E-006

3. 17E-007

+ CS-137 661.65* 85.12 1.24E-007 1.24E-007 1.39E-007

+ = Nuclide identified during the nuclide identification

• = Energy line found in the spectrum

> = MDA value not calculated

@ = Half-life too short to be able to perform the decay correction

Interference Corrected Activity Report 4/18/09 1:54:42 PM Page 4

• *** NU** L* ID* E I*D*********E*N*T*I*F*I*C*A

• * *1 T** 0**W****** *W *P0R ***

• • • NU C LI DE ID E NTI F IC AT I ON R EP OR T Sample

Title:

I-L Solid Releas Nuclide Library Used: C:\GENIE2K\CAMFILES\AnSolMDA.NLB

........... I........ IDENTIFIED NUCLIDES ........

Nuclide Id Energy Yield Activity Activity Name Confidence (keV) (M) (uCi/gram) Uncertainty K-40 0.940 1460.81* 10.67 1. 59E-006 2.79E-007 CO-60 0.976 1173.22* 100 .00 2.18E-006 9.51E-008 1332.49* 100 .00 2 .16E-006 1.01E-007 CS-137 0.993 661.65* 85 .12 I.39E-007 3.09E-008 BI-211 0.562 351.10* 12.20 5.46E-007 1.69E-007 404.80 4.10 PB-212 0.673 87.20 6.30 89.80 1.75 238.63* 44.60 1.44E-007 4.16E-008 300.09 3.41 BI-214 0.661 609.31* 46.30 1.19E-007 4.90E-008 934.06 3.21 1764.49 15.80

• = Energy line found in the spectrum.

@= Energy line not used for Weighted Mean Activity Energy Tolerance : 1. 000 keY Nuclide confidence index threshold = 0.30 Errors quoted at 1.000 sigma

.S*

Interference Corrected Activity Report 4/18/09 1:54:42 PM Page 5

I N T E R F E R E N C E C O R R E C T E D R E P O R T Nuclide Wt mean Wt mean Nuclide Id Activity Activity Name Confidence (uCi/gram) Uncertainty K-40 0.940 1. 59E-006 2.79E-007 CO-60 0.976 2. 17E-006 6.92E-008 CS-137 0. 993 1 .39E-007 3.09E-008 BI-211 0.562 5 *46E-007 1.69E-007 PB-212 0.673 1.44E-007 4.16E-008 BI-214 0.661 1. 19E-007 4.90E-008 Total Activity 4. 71E-006

? = nuclide is part of an undetermined solution X = nuclide rejected by the interference analysis

@ = nuclide contains energy lines not used in Weighted Mean Activity Errors quoted at 1.000 sigma SU N I D E N T I F I E D P E A K S Peak Locate Performed on: 4/18/09 1:54:41 PM Peak Locate From Channel: 100 Peak Locate To Channel: 4096 Peak Energy Peak Size in Peak CPS No. (keV) Counts per Second  % Uncertainty 3 583.11 1. 92E-002 24.75 6 969.71 7 .42E-003 58.89 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 1.000 sigma