ML102000440

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Gamma Spectrum Analysis, Oyster Creek
ML102000440
Person / Time
Site: Oyster Creek
Issue date: 04/19/2009
From:
- No Known Affiliation
To:
Office of Information Services
References
FOIA/PA-2009-0214
Download: ML102000440 (5)


Text

j GAMMA SPECTRUM A N'A L Y S I S OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name

DET02 I

Report Generated On Spectral Data Fil'e Name

\\2000061.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

  • 4/19/09 9:24:15 AM C: \\PCNT2K\\CAMFILES\\1LSOLMDA 1

I-L Solid Releas

Soil near CST; Lower, South of Pipe
kg
20 1

I-L Marinelli 3.00 S

1 -

4096 1

100 -

4'096 1.000 keV Sample Size 807.00 grams Sample Taken On Acquisition Started Decay Time 4/18/09 5:00:48 AM 4/19/09 8:10:51 AM 1.63E+003 Minutes Live Time Real Time Dead Time 4701.0 Seconds 4702.7 Seconds 0.04 %

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

I' Background Subtract Report 2

4/19/09 9:24:15 AM Page

  • B BA C KG R OU ND S UBT R A CT REP O RT.,.

rq Detector Name:

DET02 Sample

Title:

I-L Solid Releas Peak Analysis Performed on:

4/19/09 9:24:15 AM Peak Energy Subtracted No.

(keV)

Uncert.

1 238.66 3.71E+001 2

351.83

2. 42E+001 3

401.85

2. 19E+001 4

583.17 2.43E+001 5

609.39

1. 68E+001 6

661.66

2. 77E+001 7

1173.56 5.31E+001 8

1332.91

4. 86E+001 Original Orig. Area Area Uncert.

Ambient

Background

Backgr.

Uncert.

1. 42E+002 9. OOE+001 3.67E+001
1. 01E+002
6. 12E+001 1.32E+002
2. 52E+003
2. 26E+003 37.12 24.23 21.94 24.29 16.83 27.66 53.07 48.63 Subtracted Area 1.42E+002 9.OOE+001 3.67E+001 1.01E+002 6.12E+001 1.32E+002 2.52E+003 2.26E+003 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

4/19/09 9:24:15 AM Page N U C L I D E M D A R E P 0 R T 9********'**'**99****9*9*9*****9*9***9*

Detector Name:

DET02 Sample Geometry:

1-L Marinelli Sample

Title:

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

CS-134

1. 26E-007
2. 20E-007
6. 42E-009
2. 12E-008 2.42E-007
4. 73E-008

+

CS-137

1. 72E-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)

9. 87E-007 4.65E-007
8. 74E-008 1.42E-007
1. 32E-006 1. 65E-006 1. 56E-007 Nuclide MDA (uCi/gram) 8.74E-008 1.56E-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

1 4/19/09 9:24:15 AM Page N*I E1 Sample

Title:

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

IDENTIFIED NUCLIDES Nuclide Id Energy Name Confidence (keV)

CO-60 0.976 1173.22*

1332.49*

CS-137 1.000 661.65*

BI-211 0.556 351.10*

404. 80 PB-212 0.674 87.20 89.80 238. 63*

300.09 BI-214 0.660 609.31*

934.06 1764.49 Yield Activity

(%)

(uCi/gram) 100.00 100.00 85.12 12.20 4.10 6.30 1.75 44.60 3.41 46.30 3.21 15.80

4. 68E-006
4. 72E-006 1.72E-007
4. 56E-007 1.39E-007
1. 36E-007 Activity Uncertainty 1.30E-007 1.39E-007 3.62E-008 1.23E-007 3.65E-008 3.75E-008
  • = Energy line found in the spectrum.

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

Errors quoted at 1.000 sigma 0.30

Interference Corrected Activity Report 5

4/19/09 9:24:15 AM Page 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 Nuclide Id Name Confidence CO-60 CS-137 BI-211 PB-212 BI-214 0.976 1.000 0.556 6.674 0.660

)Wt mean Activity (uCi/gram) 4.70E-006 1.72E-007

4. 56E-007 1.39E-007 1.36E-007 Wt mean Activity Uncertainty 9.48E-008 3.62E-008 1.23E-007 3.65E-008 3.75E-008 Total Activity
5. 60E-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:

4/19/09 100 4096 9:24:15 AM Peak Energy No.

(keY)

Peak Size in Counts per Second Peak CPS

% Uncertainty 3

4 401.85 583.17 7.80E-003

2. 14E-002 59.85 24.15 M = First peak in a

m = Other peak in a

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