ML101970537

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Gamma Spectrum Analysis, Oyster Creek
ML101970537
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: ML101970537 (4)


Text

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

DET02 Report Generated On Spectral Data File Name

\\2000059.CNF Sample Title Sample Description User ID Sample Type Sample Geometry

4/18/09 2:29:49 PM
C:\\PCNT2K\\CAMFILES\\1LSOLMDA 1

I-L Solid Releas

'Soil near CST; 4' depth
kg
20 1

I-L Marinelli Peak Locate Threshold Peak Locate Range (in channels),

Peak Area Range (in channels)

Identification Energy Tolerance 3.00 1 -

100 7 1.000 4096 4096 keY Sample Size 886.00 grams Sample Taken On Acquisition Started Decay Time

4/17/09 7:00:55 PM
4/18/09 2:07:58 PM 1

1.15E+003 Minutes 1610.0 Seconds 1610.2 Seconds 0.01 %

Live Time Real Time Dead Time Energy Calibration Used Done On Efficiency Calibration Used Done On

3/21/08
3/21/08

Background Subtract Report 2

4/18/09 2:29:49 PM Page W*

B AC KG RO U ND S UB TR A CT R EP O RT Detector Name:

DET02 Sample

Title:

I-L Solid Releas Peak Analysis Performed on:

4/18/09 2:29:49 PM Peak Energy Subtracted No.

(keV)

Uncert.

1 238.44 1.70E+001 2

351.74 1.35E+001 3

583.13

6. 15E+000 4

609.24 8.53E+000 5

661.57 7.61E+000 6

910.83 5.53E+000 7

1173.57 9.19E+000 8

1332.73 7.55E+000 9

1461.39 6.89E+000 Original Orig. Area Area Uncert.

Ambient

Background

Backgr.

Uncert.

6. 08E+001

4. 87E+001
1. 76E+001 2.74E+001
3. 18E+001 1.31E+001 5.41E+001 5.36E+001
3. 53E+001 16.95 13.45 6.15 8.53 7.61 5.53 9.19 7.55 6.89 Subtracted Area 6.08E+001 4.87E+001 1.76E+001 2.74E+001 3.18E+001 1.31E+001 5.41E+001 5.36E+001 3.53E+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 4/18/09 2:29:50 PM Page 3

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

DET02 Sample Geometry:

I-L Marinelli Sample

Title:

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

CS-134 1.19E-007

1. 57E-007
1. 19E-008 7.56E-010
9. 00E-008
1. OIE-006

+

CS-137

1. lOE-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 Nuclide MDA (uCi/gram)

(uCi/gram)

5. 29E-007
4. 08E-007
7. 84E-008
9. 16E-008
8. 09E-007
3. 51E-006
9. 15E-008 7.84E-008 9.15E-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

..y.

Interference Corrected Activity Report 5

4/18/09 2:29:50 PM Page S

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 K-40 CO-60 CS-137 BI-211 PB-212 BI-214 0.947 0.985 0.999 0.569 0.670 0.660 Wt mean Activity (uCi/gram)

1. 99E-006
2. 84E-007
1. 1OE-007
6. 55E-007 1.58E-007
1. 62E-007 Wt mean Activity Uncertainty 3.91E-007 3.10E-008 2.64E-008 1.82E-007 4.42E-008 5.05E-008 Total Activity 3.36E-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:

Peak Locate From Channel:

Peak Locate To Channel:

4/18/09 100 4096 2:29:49 PM Peak Energy No.

(keV)

Peak Size in Counts per Second Peak CPS

% Uncertainty 3

6 583.13 910.83

1. 09E-002 8.16E-003 34.93 42.08 M = First peak in a

m = Other peak in a

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