ML101970489

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Gamma Spectrum Analysis, Oc
ML101970489
Person / Time
Site: Oyster Creek
Issue date: 04/17/2009
From:
- No Known Affiliation
To:
Office of Information Services
References
FOIA/PA-2009-0214
Download: ML101970489 (5)


Text

G A M M A S P E C T R U M

..i-L Y S I S OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name

DET01 Report Generated On Spectral Data File Name Sample Title Sample Description User ID Sample Type Sample Geometry Peak Locate Threshold Peak Locate Range (in channels)

Peak Area Range (in channels)

Edentification Energy Tolerance 3ample Size 4/17/09 2:06:19 PM C:\\PCNT2K\\CAMFILES\\lLSOLMDA\\2000049.CNF 1-L Solid Releas dirt

  1. 1 near cst kg 20 1-L Marinelli 3.00 1 -

4096 100 -

4096 1.000 keV 1030.00 grams 3ample Taken On kcquisition Started

)ecay Time

.Ave Time Zeal Time

)ead Time 4/17/09 1:10:33 PM 4/17/09 1:51:35 PM 4.10E+001 Minutes 1182.0 Seconds 1182.6 Seconds 0.05 %

Energy Calibration Used Done On Efficiency Calibration Used Done On

1/8/09
1/8/09

Backqround Subtract Report 4/17/09 2:06:19 PM Page 2

        • B AC KG R OU ND SU BTR A CT R EP O RT***

Detector Name:

DET01 Sample

Title:

I-L Solid Releas Peak Analysis Performed on:

4/17/09 2:06:19 PM Peak Energy Original Orig. Area Ambient Backgr.

No.

(keV)

Area Uncert.

Background

Uncert.

Subtracted Subtracted Area Uncert.

5.56E+001 1.29E+001 2.38E+001 5.53E+000 3.10E+001 5.57E+000 1

2 3

238.40 609.28 1460.77

5. 56E+001 2.38E+001
3. 10E+001 12.86 5.53 5.57

= First peak in a multiplet region

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

Nuclide MDA Report I ý 1) 4/17/09 2:06:19 PM Page 3

N U C L I D E M D A REPORT Detector Name:

Sample Geometry:

Sample

Title:

Nuclide Library Used:

DET01 l-L Marinelli 1-L Solid Releas C:\\GENIE2K\\CAMFILES\\AnSolMDA.NLB Nuclide Name CS-134 CS-137 Energy (keV) 563.23 569.32 604.70 795.84 801.93 1365.15 661.65 Yield

(%0) 8.38 15.43 97.60 85.40 8.73 3.04 85.12 Line MDA (uCi/gram) 1.12E-006 6 54E-007

8. 16E-008
1. 94E-007 1.41E-006
4. 17E-006
2. 02E-007 Nuclide MDA (uCi/gram) 8.16E-008 2.02E-007 Activity (uCi/gram) 7.72E-008

-3 32E-008

-4.20E-008

7. 55E-008

-8. 76E-008 6 94E-007

6. 85E-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

Int~erference Corrected Activity Report 4/17/09 2:06:19 PM Page 4

N U C L I D E I

D E N T I F I C A T IO N

R EPORT Sample

Title:

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

K-40 PB-212 BI-214 1.000 0.703 0.662 1460.81*

87.20 89.80 238.63*

300.09 609. 31*

934.06 1764.49 Yield

(%)

10.67 6.30

1. 75 44.60 3.41 46.30 3.21 15.80 Activity (uCi/gram) 3.25E-006
2. 47E-007
2. 59E-007 Activity Uncertainty 5.89E-007 5.74E-008 6.07E-008
  • = 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 r,

Interference Corrected Activity Report 4/17/09 2:06:19 PM 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 Nuclide Id Name Confidence Wt mean Activity (uCi/gram) 3.25E-006

2. 47E-007
2. 59E-007 Wt mean Activity Uncertainty 5.89E-007-5.74E-008 6.07E-008 K-40 PB-212 BI-214 1.000 0.703 0.662 Total Activity
3. 76E-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:

PEAKS 4/17/09 100 4096 2:06:19 PM 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