ML102000439

Gamma Spectrum Analysis Oyster Creek

ML102000439
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: ML102000439 (5)

Text

-S GAMMA SPECTRUM ANALYSIS OYSTER CREEK NUCLEAR GENERATING STATION CHEMISTRY DEPARTMENT Detector Name

DET01 Report Generated On Spectral Data File Name

\\2000058.CNF 4/18/09 3:30:14 PM C:\\PCNT2K\\CAMFILES\\1LSOLMDA 2?0C0

(.41 & -~

C~ r 7

I(e.) t--7 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 Sample Size Sample Taken On Acquisition Started Decay Time Live Time Real Time.,

Dead Time' I-L Solid Releas Soil near CST; 5'

depth kg 20 I-L Marinelli 3.00 1

4096 100 -

4096 1.000 keV 841.00 grams 4/18/09 1:30:34 AM 4/18/09 1:58:36 PM 7.48E+002 Minutes 5794.0 Seconds 5797.5 Seconds 0.06 %

Energy Calibration Used Done On Efficiency Calibration Used Done On 1/8/09 1/8/09

Background Subtract Report 2

4/18/09 3:30:15 PMP Page

• B B AC K GROU N DS UB TR A CT R E PO RT Detector Name:

DET01 Sample

Title:

I-L Solid Releas Peak Analysis Performed on:

4/18/09 3:30:15 PM Peak Energy Subtracted No.

(keV)

Uncert.

1 238.55 2.93E+001 2

295.11 1.91E+001 3

351.71 1.97E+001 4

510.34 1.58E+001 5

582.75 1.45E+001 6

609.06 1.45E+001 7

661.37 1.59E+001 8

968.70 1.05E+001 9

1172.80 2.45E+001 10 1332.14 2.14E+001 11 1460.59 7.41E+000 Original Orig. Area Area Uncert.

Ambient

Background

Backgr.

Uncert.

1. 89E+002 7.75E+001 9.41E+001

7. 62E+001 4.78E+001

6. 52E+001

1. 14E+002 2.61E+001

4. 90E+002 4.33E+002

4. 83E+001 29.34 19.06 19.72 15.83 14.47 14.49 15.87 10.47 24.46 21.40 7.41 Subtracted Area 1.89E+002 7.75E+001 9.41E+001 7.62E+001 4.78E+001 6.52E+001 1.14E+002 2.61E+001 4.90E+002 4.33E+002 4.83E+001 M = First peak in m = Other peak in F = Fitted singlet a multiplet region a multiplet region Errors quoted at 1.000 sigma

Nuclide MDA Report 4/18/09 3:30:15 PM Page 3

N*

N U C LID E

M DA RE PO0R T Detector Name:

DETO0 Sample Geometry:

1-L Marinelli Sample

Title:

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

CS-134

1. 86E-007

4. 71E-008

6. 17E-009

2. 86E-7008

1. 49E-008

6. 50E-008

+

CS-137

1. 83E-007 Energy (keV) 563.23 569.32 604.70 7951.84 801.93 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)

7. 31E-007

3. 95E-007

5. 83E-008 1.06E-007 9.06E-007

1. 63E-006 9.21E-008

5. 83E-008 9.21E-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

Interference Corrected Activity Report 4

4/18/09 3:30:15 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 Energy (keV)

K-40, 0.992 1460.81*

CO-60 0.977 1173.22*

1332.49*

CS-137 0.988 661.65*

PB-212 0.709 87.20 89.80 238.63*

300.09 BI-214 0.655 609.31*

934.06 1764.49 PB-214 0.688 87.20 89.80 241.98 295.21*

351.92*

Yield

(%)

10.67 100. 00 100.00 85.12 6.30 1.75 44.60 3.41 46.30 3.21 15.80 3-.70 1.03 7.49 19.20 37.20 Activity (uCi/gram) 1.27E-006 1.13E-006

1. 12E-006

1. 83E-007

2. 1OE-007 1.78E-007 2.44E-007

1. 83E-007 Activity Uncertainty 1.96E-007 6.OOE-008 5.97E-008

2. 58E-008 3.29E-008 3.97E-008 6.03E-008 3.85E-008

• = 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

4

4 Interference Corrected Activity Report 5

4/18/09 3:30:15 PM Page INTERFERENCE CORRECTED REPORT Nuclide Nuclide Id Name Confidence K-40 CO-60 CS-137 X

BI-211 PB-212 BI-214 PB-214 0.992 0.97.7 0.988 0.575 0.709 0.655 0.688 Wt mean Activity (uCi/gram) 1.27E-006

1. 12E-006

1. 83E-007 2.1OE-007 1.78E-007

2. 01E-007 Wt mean Activity Uncertainty 1.96E-007 4.23E-008 2.58E-008 3.29E-008 3.97E-008 3.24E-008 Total Activity

3. i6E-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 3:30:15 PM Peak Energy No.

(keV)

Peak Size in Counts per Second Peak CPS

% Uncertainty 4

5 8

510.34 582.75 968.70 1.32E-002 8.25E-003

4. 50E-003 20.77 30.29 40.16 M

m F

First peak in a

Other peak in a

Fitted singlet multiplet region multiplet region Errors quoted at 1.000 sigma