ML102000460

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Gamma Spectrum Analysis Oyster Creek
ML102000460
Person / Time
Site: Oyster Creek
Issue date: 04/25/2009
From:
- No Known Affiliation
To:
Office of Information Services
References
FOIA/PA-2009-0214
Download: ML102000460 (5)


Text

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GAMMA S P ECTRUM ANALYSIS OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name

DET02 Report Generated On Spectral Data File Name

\\2000075.CNF

4/25/09 2:18:15 AM
C:\\PCNT2K\\CAMFILES\\ILSOLMDA I. -ccI -?

Sample Title Sample Description User ID Sample Type Sample Geometry I-L Solid Releas soil n of cst 1' nc226 20 I-L Marinelli

+

.N-. )

Peak Locate Threshold Peak Locate Range (in channels)

Peak Area Range (in channelsi Identification Energy Tolerance.

  • 3.00 1 -

1 100 -

1.000 4096 4096 keV Sample Size Sample Taken On Acquisition Started Decay Time Live Time Real Time Dead Time 1613.00 grams

4/25/09 2:00:05 AM
4/25/09 2:05:07 AM 5-04E+000 Minutes 1086.0 Seconds 1086.2 Seconds 0.02 %

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

Background Subtract Report 2

4/25/09 2:18:15 AM Page

  • B B ACKG R O UN D S UB TR A CT R EP O RT Detector Name:

DET02 Sample

Title:

I-L Solid Releas Peak Analysis Performed on:

4/25/09 2:18:15 AM Peak Energy Subtracted No.

(keV)

Uncert.

1 238.51 1.87E+001 2

295.18 1.21E+001

.3 352.01 1.20E+001 4

583.11 9.61E+000

5. 609.11 8.03E+000 6

661.83 9.55E+000 7

1332.97 4.91E+000 8

1461.22 8.57E+000 Original Orig. Area Area Uncert.

Ambient

Background

Backgr.

Uncert.

1. 17E+002
4. 47E+001
8. 48E+001
4. 76E+001
3. 90E+001
5. 89E+001
1. 85E+001
5. 93E+001 18.74 12.14 12.04 9.61 8.03 9.55 4.91 8.57 Subtracted Area 1.17E+002 4.47E+001 8.48E+001 4.76E+001 3.90E+001 5.89E+001 1.85E+001 5.93E+001 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 3

4/25/09 2:18:15 AM Page

  • N N U CLI 4 D E M DA R E POR T

W**W Detector Name:

Sample Geometry:

Sample

Title:

Nuclide Library DET02 I-L Marinelli 1-L Solid Releas Used: C:\\GENIE2K\\CAMFILES\\AnSolMDA.NLB Nuclide Activity Name (uCi/gram)

CS-134

1. 95E-008
9. 60E-009
6. 29E-009 1.34E-008 2.18E-008
0. 00E+000

+

CS-137

1. 66E-007 Energy (keV) 563.23 569.32 604.70 795.84 801.93 1365.15 661.65*

Yield

(%)

8.38 15.43 97.60 85.40 8.73 3.04 85.12 Line MDA (uCi/gram)

6. 06E-007
2. 89E-007
5. 08E-008
9. 08E-008
4. 61E-007
4. 1lE-007 8.21E-008 Nuclide MDA (uCi/gram) 5.08E-008 8.21E-008

+ = 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

4/25/09 2:18:15 AM Page

'N U C L I D E I

D E N T I F I C A T I 0 N R E P 0 R T Sample

Title:

I-L Solid Releas Nuclide Library Used: C:\\GENIE2K\\CAMFILES\\AnSolMDA.NLB IDENTIFIED NUCLIDES Vi Nuclide Id Energy Name Confidence (keY)

K-40 0.973 1460.81*

CS-137 0.995 661.65*

PB-212 0.672 87.20 89.80 238.63*

300.09 BI-214 0.656 609.31*

934.06 1764.49 PB-214 0.676 87.220 89.80 241.98 295.21*

351.92*

Yield

(%)

10.67 85.12 6.30 1.75 44.60 3.41 46.30 3.21 15.80 3.70 1.03 7'.49 19.20 37.20 Activity (uCi/gram)

2. 72E-006
1. 66E-007
2. 48E-007
1. 87E-007 2.65E-007
3. 05E-007 Activity Uncertainty 3.99E-007 2.72E-008 4.01E-008 3.88E-008 7.22E-008 4.37E-008
  • = Energy line found in the spectrum.

@ = Energy line not used for Weighted Mean Activity Energy Tolerance 1.000 keV Nuclide confidence index threshold =

0.30 Errors quoted at 1.000 sigma

Interference Corrected Activity Report 5

4/25/09 2:18:15 AM Page I

TR*R Nuclide Nuclide Id Name Confidence K-40 CS-137 X

BI-211 PB-212 BI-214 PB-214 0.973 0.995 0.522 0.672 0.656 0.676 Wt mean Activity (uCi/gram) 2.72E-006

1. 66E-007
2. 48E-007
1. 87E-007 2.94E-007 Wt mean Activity Uncertainty 3.99E-007 2.72E-008 4.01E-008 3.88E-008 3.74E-008 Total Activity
3. 62E-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 U N I D E N T I F I E D P E A K S Peak Locate Performed on:

Peak Locate From Channel:

Peak Locate To Channel:

4/25/09 100 4096 2:18:15 AM Peak Energy No.

(keY)

Peak Size in Counts per Second Peak CPS

% Uncertainty 4

7 583.11 1332.97 4.39E-002 1.70E-002 20.16 26.57 M = First peak in a

m = Other peak in a

F = Fitted singlet multiplet region multiplet region Errors quoted at 1.000 sigma