ML102000466

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Gamma Spectrum Analysis
ML102000466
Person / Time
Site: Oyster Creek
Issue date: 04/26/2009
From:
- No Known Affiliation
To:
Office of Information Services
References
FOIA/PA-2009-0214
Download: ML102000466 (5)


Text

  • ~~**.*.*******************************************************************

G A M M A S P E C T R U M A N A L Y S I S OYSTE** *CRE*

N*UCL***R*GENERATING** *STATI

    • ON *
  • CHEMSTRDE**A*RTMEN OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT 4

Detector Name

DET02 Report Generated On Spectral Data File Name
4/26/09 12:01:08 AM
C:\\PCNT2K\\CAMFILES\\ILSOLMDA\\20000S0.CNF Sample Title Sample Description User ID Sample Type Sample Geometry Peak Locate Threshold Peak Locate Range (in channels)

Peak Area Range (in channels)

Identification Energy Tolerance 1-L Solid Releas CST Pit 5' n4283 20 1-L Marinelli 3.00 1 -

4096 100 -

4096 1.000 keV 1998.52 grams 13+

Sample Size Sample Taken On Acquisition Started Decay Time 4/25/09 9:45:00 PM 4/25/09 11:44:27 PM 1.19E+002 Minutes 1000.0 Seconds 1000.2 Seconds 0.02 %

Live Time Real Time Dead Time Energy Calibration Used Done On Efficiency Calibration Used Done On 3/21/08 3/21/08

Baqkgrotnd Subtract Report 4/26/09 12:01:08 AM Page 2

BACKGROUND SUBTRACT REPORT Detector Name:

DET02 Sample

Title:

1-L Solid Releas Peak Analysis Performed on:

4/26/09 12:01:08 AM Peak Energy No.

(keY)

Original Orig. Area Ambient Backgr.

Area Uncert.

Background

Uncert.

Subtracted Subtracted Area Uncert.

1 2

3 4

5 238.37 249.61 351.78 609.31 661.64

8. 97E+001 1.74E+002 3.92E+001
3. 99E+001 3.94E+001 18.25 17.32 10.75 7.75 8.27 8.97E+001
1. 74E+002
3. 92E+001
3. 99E+001
3. 94E+001
1. 82E+001
1. 73E+001
1. 08E+001
7. 75E+000
8. 27E+000 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at i.boo sigma

NUý4ide,,'MDA Report I

4/26/09 12:01:09 AM Page 3

N U C L I D E M D A R E P O R T Detector Name:

DET02 Sample Geometry:

1-L Marinelli Sample

Title:

1-L Solid Releas Nuclide Library Used: C:\\GENIE2K\\CAMFILES\\AnSolMDA.NLB Nuclide Name CS-134

+

CS-137 Energy (keY) 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)

5. 09E-007
2. 07E-007
4. 23E-008
6. 21E-008
5. 00E-007
1. 24E-006
6. 86E-008 Nuclide MDA (uCi/gram) 4.23E-008 6.86E-008 Activity (uCi/gram) 5.49E-008

-8. 32E-008

-2. 32E-009

9. 22E-009

.53E-008

-2. OOE-007

9. 73E-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 4/26/09 12:01:09 AM Page 4

NUCL IDE IDENTIFICATION REPORT

  • ***********W***W***WW*****W***WW*******W**W**W*W**W**W******W*W*W
    • W****W**

Sample

Title:

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

XE-135 CS-137 BI-211 PB-212 BI-214

'0.961 1.000 0.563 0.666 0.661 249.79*

608.18 661.65*

351. 10*

404.80 87.20 89.80 238. 63*

300.09 609.31 934.06 1764.49 Yield (0-)

89.90 2.89 85.12 12.20 4.10 6.30 1.75 44.60 3 41 46.30 3.21 15.80 Activity (uCi/gram) 1.95E-007

9. 73E-008 3.76E-007 1.67E-007 1.68E-007 Activity Uncertainty 2.OOE-008 2.05E-008 1.04E-007 3.41E-008 3.29E-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

IntErfe' nce Corrected Activity Report 4/26/09 12:01:09 AM Page 5

I N T E R F E R E N C E C 0 R R E C T E D R EPORT Nuclide Name XE-135 CS-137 BI-211 PB-212 BI-214 Nuclide Id Confidence 0.961 1.000 0.563 0.666 0.661 Wt mean Activity (uCi/gram)

1. 95E-007
9. 73E-008
3. 76E-007
1. 67E-007
1. 68E-007 Wt mean Activity Uncertainty 2.OOE-008 2.05E-008 1.04E-007 3.41E7008 3.29E-008 Total Activity 1.OOE-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 UNIDENTIFIED Peak Locate Performed on:

peak Locate From Channel:

Peak Locate To Channel:

P E A K S 4/26/09 12:01:08 AM 100 4096 Peak Energy No.

(keY)

Peak Size in Counts per Second Peak CPS

% Uncertainty All peaks were identified.

M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 1.000 sigma