ML101970491

Gamma Spectrum Analysis, Oc

ML101970491
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: ML101970491 (5)

Text

G A M M A S P E C T R U M A N A L Y S I S OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name

DET02 Report Generated On Spectral Data File Name 3ample Title Dample Description iser ID 3ample Type

'ample Geometry

?eak Locate Threshold

?eak Locate Range (in channels)

?eak Area Range (in channels)

[dentification Energy Tolerance 4/17/09 3:15:44 PM C:\\PCNT2K\\CAMFILES\\lLSOLMDA\\2000051.CNF Co-t4 1-L Solid Releas dirt

1. 3 near cst kg 20 1-L Marinelli 3.00 1 -

4096 100 -

4.096 1.000 keV 926.00 grams 4/17/09 1:10:58 PM 4/17/09 2:49:01 PM 9.81E+001 Minutes 1902.0 Seconds 1902.5 Seconds 0.03 %

3ample Size

ample Taken On

ýcquisition Started

)ecay Time

,ive Time

.eal Time

)ead Time Energy Calibration Used Done On Efficiency Calibration Used Done On 3/21/08 3/21/08

Back round Subtract Report 4/17/09 3:15:45 PM Page 2

B A C K G R O U N D S U B T R A C T RE P O R T W*************

• • • W*WWWWWWWW

• WWW**** ********

WW Detector Name:

DET02 Sample

Title:

1-L Solid Releas Peak Analysis Performed on:

4/17/09 3:15:45 PM Peak Energy Original Orig. Area Ambient Backgr.

No.

(keV)

Area Uncert.

Background

Uncert.

Subtracted Subtracted Area Uncert.

1 2

3 4

5 6

7 8

9 76.84 238.50 351.88 583.18 609.24 661.37 1173.50 1332.75 1460.97 6.41E+001

1. 62E+002

9. 07E+001

4. 70E+001

9. 29E+001

3. 02E+001

6. 44E+002 5 28E+002

6. 75E+001 24.26 27.33 17.11 11.80 14.83 13.85 26.75 23.55 9.21 6.41E+001

1. 62E+002

9. 07E+001 4 70E+001

9. 29E+001 3 02E+001 6.44E+002

5. 28E+002

6. 75E+001 2.43E+001

2. 73E+001

1. 71E+001

1. 18E+001

1. 48E+001

1. 38E+001

2. 68E+001

2. 36E+001

9. 21E+000 q = First peak in a multiplet region n = Other peak in a multiplet region F = Fitted singlet Errors quoted at 1.000 sigma

Nuclýý_,d(p NDA Report 4/17/09 3:15:45 PM Page, 3 N U C L I D E M D A R E P O R T Detector Name:

DET02 Sample Geometry:

l-L Marinelli Sample

Title:

l-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)

1. 05E-006 6.18E-007

8. 86E-008

1. 69E-007

1. 70E-006

2. 13E-006

1. 73E-007 Nuclide MDA (uCi/gram) 8.86E-008 1.73E-007 Activity (uCi/gram)

-2. 72E-007

-8.32E-008

5. 71E-010 4 69E-008 7 95E-007

-3. 77E-008 8.47E-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 rferpnce Corrected Activity Report 4/17/09 3:15:4.5 PM Page4 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 Nuclide Id Name Confidence Energy (key)

K-40 CO-60 CS-137 BI-211 PB-212 0.996 1460.81*

0.988 1173.22*

1332.49*

0.988 661.65*

0.548 351.10*

404.80 0.672 87.20 89.80 238.63*

300.09 0.660 609.31*

934.06 1764.49 Yield

(%)

10.67 100.00 100.00 85.12 12.20 4.10 6.30

1. 75 44.60 3.41 46.30 3.21 15.80 Activity (uCi/gram) 3.08E-006

2. 58E-006

2. 37E-006 8.47E-008

9. 88E-007 3.42E-007 4.44E-007, Activity Uncertainty 4.26E-007 1.17E-007 1.16E-007 3.88E-008 1.88E-007 5.81E-008 7.16E-008 BI-214

= 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

Intc-*+ferýnce Corrected Activity Report 4/17/09 3:15:45 PM Page 5

INT*

• • ******* ***** * **R*********T********

I NT E R FER E NCE CO RR E C TED R EP OR T Nuclide Nuclide Id Name Confidence K-40 CO-60 CS-137 BI-211 PB-212 BI-214

0. 996 0.988 0.988 0.548 0.672 0.660 Wt mean Activity (uCi/gram) 3 OSE-006 2 47E-006 8 47E-008

9. 88E-007 3.42E-007 4.44E-007 Wt mean Activity Uncertainty 4.26E-007 8.23E-008 3.88E-008 1.88E-007 5.81E-008 7.16E-008 Total Activity

7. 42E-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 3:15:45 PM Peak Energy No.

(keV)

Peak Size in Counts per Second Peak CPS

% Uncertainty 1

76.84 3.37E-002-4 583.18 2.47E-002 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 1.000 sigma 37.85 25.11