ML101970489

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 MA 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 4/17/09 2:06:19 PM Spectral Data File Name C:\PCNT2K\CAMFILES\lLSOLMDA\2000049.CNF Sample Title 1-L Solid Releas Sample Description dirt #1 near cst User ID kg Sample Type 20 Sample Geometry 1-L Marinelli Peak Locate Threshold 3.00 Peak Locate Range (in channels) 1 - 4096 Peak Area Range (in channels) 100 - 4096 Edentification Energy Tolerance 1.000 keV 3ample Size 1030.00 grams 3ample Taken On 4/17/09 1:10:33 PM kcquisition Started 4/17/09 1:51:35 PM

)ecay Time 4.10E+001 Minutes

.AveTime 1182.0 Seconds Zeal Time 1182.6 Seconds

)ead Time 0.05 %

Energy Calibration Used Done On  : 1/8/09 Efficiency Calibration Used Done On  : 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. Subtracted Subtracted No. (keV) Area Uncert. Background Uncert. Area Uncert.

1 238.40 5. 56E+001 12.86 5.56E+001 1.29E+001 2 609.28 2.38E+001 5.53 2.38E+001 5.53E+000 3 1460.77 3. 10E+001 5.57 3.10E+001 5.57E+000

= First peak in a multiplet region

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

Nuclide I ý 1) MDA Report 4/17/09 2:06:19 PM Page 3 N U C L I D E M D A REPORT Detector Name: DET01 Sample Geometry: l-L Marinelli Sample

Title:

1-L Solid Releas Nuclide Library Used: C:\GENIE2K\CAMFILES\AnSolMDA.NLB Nuclide Energy Yield Line MDA Nuclide MDA Activity Name (keV) (%0) (uCi/gram) (uCi/gram) (uCi/gram)

CS-134 563.23 8.38 1.12E-006 8.16E-008 7 .72E-008 569.32 15.43 6 54E-007 -3 32E-008 604.70 97.60 8. 16E-008 -4 .20E-008 795.84 85.40 1. 94E-007 7. 55E-008 801.93 8 .73 1.41E-006 -8. 76E-008 1365.15 3 .04 4. 17E-006 6 94E-007 CS-137 661.65 85.12 2. 02E-007 2.02E-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 Yield Activity Activity Name Confidence (keV) (%) (uCi/gram) Uncertainty K-40 1.000 1460.81* 10.67 3.25E-006 5.89E-007 PB-212 0.703 87.20 6.30 89.80 1. 75 238.63* 44.60 2. 47E-007 5.74E-008 300.09 3.41 BI-214 0.662 609. 31* 46.30 2. 59E-007 6.07E-008 934.06 3 .21 1764.49 15.80

• = 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 Wt mean Wt mean Nuclide Id Activity Activity Name Confidence (uCi/gram) Uncertainty K-40 1.000 3 .25E-006 5.89E-007-PB-212 0.703 2. 47E-007 5.74E-008 BI-214 0.662 2. 59E-007 6.07E-008 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 PEAKS Peak Locate Performed on: 4/17/09 2:06:19 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 F = Fitted singlet Errors quoted at 1.000 sigma