ML102000442

Gamma Spectrum Analysis, Oyster Creek

ML102000442
Person / Time
Site:	Oyster Creek
Issue date:	04/21/2009
From:	- No Known Affiliation
To:	Office of Information Services
References
FOIA/PA-2009-0214
Download: ML102000442 (5)

Text

{{#Wiki_filter:t7-GAMMA SPECTRUM A N A L Y S I S OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name

DET01 Report Generated On Spectral Data File Name

\\2000063.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

4/21/09 12:04:23 PM

C:\\PCNT2K\\CAMFILES\\ILSOLMDA 1

l-L Solid Releas

Soil from New Hole; Depth I'

kg

20

I-L Marinelli 3.00 1 -

4096 100 - 4096 1.000 keV Sample Size Sample Taken On Acquisition Started Decay Time Live Time Real Time Dead Time 872'.00 grams 4/21/09 11:25:22 AM 4/21/09 11:49:24 AM 2.40E+001 Minutes 1197.0 Seconds 1197.5 Seconds 0.04 % Energy Calibration Used Done On Efficiency Calibration Used Done On 1/8/09 1/8/09

Background Subtract Report 4/21/09 12:04:23 PM Page 2 B A C K G R O U N D S U B T R A C T R E P O R T Detector Name: DET01 Sample

Title:

1-L Solid Releas Peak Analysis Performed on: 4/21/09 12:04:23 PM Peak Energy Original Orig. Area Ambient Backgr. Subtracted Subtracted No. (keV) Area Uncert.

Background

Uncert. Area Uncert. 1 238.54 2.30E+001 10.40 2.30E+001 1.04E+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 3 4/21/09 12:04:24 PM Page N U C L I D E M D A R E P 0 R T Detector Name: DETO0 Sample Geometry: 1-L Marinelli Sample

Title:

I-L Solid Releas Nuclide Library Used: C: GENIE2K\\CAMFILES\\AnSolMDA.-NLB Activity (uCi/gram] Nuclide Name CS-134

3. 64E-007 8.35E-008

1. 53E-007 6.66E-009

2. 63E-007

1. 01E-007 CS-137

5. OOE-009 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)

1. 03E-006

6. 73E-007 7.20E-008

1. 07E-007 1.23E-006

3. 76E-006 1.41E-007 Nuclide MDA (uCi/gram) 7.20E-008 1.41E-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 4/21/09 12:04:24 PM Page NUCLIDE IDENTIFICATION REPORT Sample

Title:

I-L Solid Releas Nuclide Library Used: C:\\GENIE2K\\CAMFILES\\AnSolMDA.NLB IDENTIFIED NUCLIDES Nuclide Id Name Confidence PB-212 0.709 Energy (keV) .87.20 89.80 238.63* 300.09 Yield (%) Activity (uCi/gram) Activity Uncertainty 5.40E-008 6.30, 1.75 44.60 1.19E-007 3.41

• = 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

i" iI Interference Corrected Activity Report 5 4/21/09 12:04:24 PM Page I NT ERF E R E NC E C ORREC TE D REPORT Nuclide Nuclide Id Name Confidence Wt mean Activity (uCi/gram)

1. 19E-007 Wt mean Activity Uncertainty 5.40E-008 PB-212 0.709 Total Activity

1. 19E-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 N T I F I E D P E A K S Peak Locate Performed on: Peak Locate From Channel: Peak Locate To Channel: 4/21/09 ý100 40916 12:04:23 PM Peak Energy No. (keV) 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}}