ML102000465

Gamma Spectrum Analysis

ML102000465
Person / Time
Site:	Oyster Creek
Issue date:	04/25/2009
From:	- No Known Affiliation
To:	Office of Information Services
References
FOIA/PA-2009-0214
Download: ML102000465 (3)

Text

J 800247 GA M M A S P E C T R UM A N A L Y,S I S OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name  : DET02 Report Generated On  : 4/25/09 8:48:23 PM Spectral Data File Name  : C:\PCNT2K\CAMFILES\3LLIQMAR\800247.CNF Sample Title 3-L Liq Mar'lli Sample Description CST User ID n4283 Sample Type sample Geometry Peak Locate Threshold 8

3-L Marinelli 3.00

-p Peak Locate Range (in channels) 1 - 4096 Peak Area Range (in channels) 100- 4096 Identification Energy Tolerance 1.000 kev Sample size 3000.00 mL Sample Taken On 4/25/09 8:11:00 PM Acquisition started 4/25/09 8:31:41 PM Decay Time 2.07E+001 Minutes Live Time 1000.0 Seconds Real Time 1000.1 Seconds Dead Time 0.01 %

Energy calibration used Done On 3/21/08 Efficiency calibration used Done On 8/5/06 EBackground subtract Report 4/25/09 8:48:23 PM Page 2 B A C KG ROU ND S U BT RA CT R E POR T Detector'Name: DET02 Sample

Title:

3-L Liq Mar'lli Peak Analysis Performed on: 4/25/09 8:48:23 PMI Peak Energy original Orig. Area Ambient Backgr. subtracted Subtracted No. (keY) Area Uncert. Background Uncert. Area Uncert.

1 80.89 4.34E+001 12.27 4.34E+001 1.23E+001 2 249.56 4.19E+002 21.71 4.19E+002 2.17E+001 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Page 1

800247 Errors quoted at 1.000 sigma

[Interference corrected Activity Report 4/25/09 8:48:23 PM Page 3

• • • • • N U C L I D E I D E N T I F I C A T IO N R E P 0 R T Sample

Title:

3-L Liq Mar'lli Nuc ide Library Used: C:\GENIE2K\CAMFILES\ANLOO2.NLB

.................... IDENTIFIED NUCLIDES . ...................

Nuclide Id Energy Yield Activity Activity Name confidence (key) (%) (uCi/mL ) Uncertainty XE-133 0.998 81.00* 36.72 1. 17E-007 3.36E-008 XE-135 0.958 249.79* 89.90 4.71E-007 2.94E-008 608.18 2.89

• = 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 DInterference Corrected Activity Report 4/25/09 8:48:23 PM Page 4

• • • • • I NT ERF E R EN CE C OR R EC TED R EP O RT *****

. Nuclide Wt mean Wt mean Nuclide Id Activity Activity Name Confidence (uCi/mL ) Uncertainty XE-133 0.998 1. 17E-007 3.36E-008 XE-135 0.958 4.71E-007 2.94E-008 Total Activity 5.88E-007

? 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 NT I F I E D P E A K S Peak Locate Performed on: 4/25/09 8:48:23 PM Peak Locate From Channel: 100 Peak Locate TO Channel: 4096 Peak Energy Peak size in Peak cPs No. (key) counts per second  % Uncertainty All peaks were identified.

M= First peak in a multiplet region m = Other peak in a multiplet region Page 2

800247 F = Fitted singlet Errors quoted at 1.000 sigma Page 3