ML22269A394
| ML22269A394 | |
| Person / Time | |
|---|---|
| Site: | La Crosse File:Dairyland Power Cooperative icon.png |
| Issue date: | 09/13/2017 |
| From: | Apex-Gamma, LaCrosseSolutions |
| To: | Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML22269A395 | List: |
| References | |
| Download: ML22269A394 (6) | |
Text
2:54:44PM 9/13/2017 Page 1 of 6 SOIL NRC SAMPLE # 4 Analysis Report for GAMMA SPECTRUM ANALYSIS Sample Description Sample Identification Sample Type Silt NRC SAMPLE # 4 SOIL Unit Sample Point Sample Size Peak Locate Threshold Peak Locate Range (in channels)
Peak Area Range (in channels)
Identification Energy Tolerance Sample Taken On Acquisition Started Live Time Real Time Energy Calibration Used Done On Efficiency Calibration Used Done On 2.982E+03 grams 1.000 keV 100 - 4096 100 - 4096 Detector Name 627.7 seconds 600.0 seconds 6/3/2014 6/3/2014 DET01-ENV 9/13/2017 1:45:00PM 9/13/2017 2:44:02PM Dead Time Efficiency Calibration Description 4.41 %
Sample Number
- 3393 Facility Procedure Diaryland_NPP SIlt Administrator Operator 3.00 Geometry 1.5 Marinelli 1.5L Marinelli 100 4096 Peak Analysis To Channel Peak Analysis From Channel Peak Analysis Performed on PEAK ANALYSIS REPORT 9/13/2017 2:54:35PM
Page 2 of 6 9/13/2017 2:54:44PM Analysis Report for SOIL NRC SAMPLE # 4 Peak No.
Energy FWHM (keV)
Counts Continuum Uncertainty Net Area Area Net Peak Peak Centroid 1
86.87 5.95E+02 123 1.29E+04 F
112 119.73 59.45 1.22 2
557.66 3.09E+05 1335 6.40E+03 F
1312 1323.75 661.24 2.07 3
162.01 2.54E+04 2360 1.32E+03 F
2334 2346.94 1172.63 2.69 4
154.08 2.34E+04 2677 5.54E+02 F
2652 2665.52 1331.86 2.85 5
28.75 6.67E+02 2933 1.98E+02 F
2910 2922.00 1460.04 3.21 6
10.34 4.59E+01 3537 6.59E+01 F
3522 3529.63 1763.72 2.62 Errors quoted at 1.000sigma M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet 9/13/2017 2:54:35PM Peak Analysis Performed on BACKGROUND SUBTRACT REPORT C:\\Canberra\\Apex\\Root\\Diaryland_NPP\\Data\\0000003388.CNF Env. Background File Subtracted Subtracted Backgr.
Original Peak No.
Orig. Area Energy Ambient Uncert.
Area Uncert.
Background
Uncertainty Area (keV) 1 F
5.95E+02 86.87 5.95E+02 8.69E+01 59.45 2
F 3.09E+05 557.66 2.30E+00 7.29E-01 3.09E+05 5.58E+02 661.24 3
F 2.54E+04 162.01 2.54E+04 1.62E+02 1172.63 4
F 2.34E+04 154.08 2.34E+04 1.54E+02 1331.86 5
F 6.67E+02 28.75 9.64E+00 7.66E-01 6.57E+02 2.88E+01 1460.04 6
F 4.59E+01 10.34 2.29E+00 3.89E-01 4.36E+01 1.03E+01 1763.72 Errors quoted at 1.000sigma M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet
Page 3 of 6 9/13/2017 2:54:44PM Analysis Report for SOIL NRC SAMPLE # 4 NUCLIDE IDENTIFICATION REPORT Nuclide Library Used C:\\Canberra\\Apex\\Root\\Diaryland_NPP\\Library\\ENVLIB.NLB IDENTIFIED NUCLIDES Id Yield(%)
Activity (pCi/grams)
Activity Nuclide Name Confidence (keV)
Energy Uncertainty 6.30E+00 3.26E-01 K-40 0.91 10.67 1460.81 2.24E+01 5.53E-01 CO-60 0.94 100.00 1173.22 2.25E+01 5.95E-01 100.00 1332.49 2.10E+02 5.70E+00 CS-137 0.97 85.12 661.65 2.60E+00 3.96E-01 AM-241 0.99 36.30 59.54
= Energy line found in the spectrum.
Nuclide confidence index threshold = 0.30 Errors quoted at 1.000sigma Energy Tolerance : 1.000 keV
= Energy line not used for Weighted Mean Activity
= Manually added nuclide.
= Manually edited nuclide.
?
INTERFERENCE CORRECTED REPORT Nuclide Name Nuclide (pCi/grams)
Wt mean Activity Comments Confidence Wt mean Activity Uncertainty Id 6.30E+00 3.26E-01 K-40 0.910 2.24E+01 4.05E-01 CO-60 0.943 2.10E+02 5.70E+00 CS-137 0.974 2.60E+00 3.96E-01 AM-241 0.999 Errors quoted at 1.000sigma nuclide contains energy lines not used in Weighted Mean Activity
=
X
= nuclide rejected by the interference analysis nuclide is part of an undetermined solution
=
?
Page 4 of 6 9/13/2017 2:54:44PM Analysis Report for SOIL NRC SAMPLE # 4 UNIDENTIFIED PEAKS Peak Locate Performed on Peak Locate From Channel Peak Locate To Channel 9/13/2017 2:54:35PM 4096 100 Peak No.
Energy (keV)
Peak Size (CPS)
Peak CPS (%)
Uncertainty Peak Type Tolerance Nuclide F
6 1763.72 7.26342E-02 BI-214 23.75 Tol.
Errors quoted at 1.000sigma F = Fitted singlet m = Other peak in a multiplet region M = First peak in a multiplet region
- C:\\Canberra\\Apex\\Root\\Diaryland_NPP\\Library\\ENVLIB.NLB Nuclide Library Used NUCLIDE MDA REPORT Line MDA (pCi/grams)
Yield(%)
Nuclide Name Nuclide MDA (pCi/grams)
Activity (pCi/grams)
(keV)
Energy
+
K-40 6.30E+00 9.18E-01 9.18E-01 1460.81 10.67
+
-5.44E-02 1.99E-01 1.99E-01 834.83 99.97
+
CO-60 2.24E+01 1.57E-01 2.22E-01 1173.22 100.00 2.25E+01 1.57E-01 1332.49 100.00
+
ZN-65
-2.72E-02 4.78E-01 4.78E-01 1115.52 50.75
+
KR-85 5.87E+01 7.94E+01 7.94E+01 513.99 0.43
+
CD-109 3.96E+00 1.19E+01 1.19E+01 88.03 3.72
+
CS-134 1.37E-01 2.13E-01 2.92E-01 604.70 97.60
-5.52E-02 2.13E-01 795.84 85.40
+
CS-137 2.10E+02 3.56E-01 3.56E-01 661.65 85.12
+
EU-154 7.45E-01 3.96E-01 8.13E-01 123.07 40.40 4.28E-01 8.40E-01 722.30 20.00
-1.10E+00 1.84E+00 873.20 12.09
-3.42E+00 2.31E+00 996.30 10.34
-7.53E-01 1.34E+00 1004.76 17.90 1.68E-02 3.96E-01 1274.51 34.40
+
EU-155 8.85E-01 1.38E+00 1.38E+00 86.54 32.80
Page 5 of 6 9/13/2017 2:54:44PM Analysis Report for SOIL NRC SAMPLE # 4 Line MDA (pCi/grams)
Yield(%)
Nuclide Name Nuclide MDA (pCi/grams)
Activity (pCi/grams)
(keV)
Energy
-5.26E-01 1.63E+00 105.31 21.80 EU-155 1.38E+00
+
TL-208 1.71E+07 5.95E+05 5.21E+07 72.80 2.02
-1.14E+07 2.86E+07 74.97 3.41 4.14E+07 5.01E+07 84.90 1.51 8.93E+06 8.86E+06 277.36 6.31 4.81E+05 5.95E+05 583.19 84.50 5.02E+06 1.69E+07 763.13 1.81
-1.23E+06 3.04E+06 860.56 12.42 1.35E+05 1.06E+08 1093.90 0.40
+
BI-214 1.70E-01 5.54E-01 6.14E-01 609.31 46.30 4.81E-01 3.50E+00 768.36 5.04
-1.39E+01 1.50E+01 806.17 1.23
-2.05E+00 7.83E+00 934.06 3.21 1.79E+00 1.58E+00 1120.29 15.10
-4.55E+01 1.27E+01 1155.19 1.69 2.84E+00 2.50E+00 1238.11 5.94
-7.32E-01 9.30E+00 1280.96 1.47
-1.11E+00 2.52E+00 1377.67 4.11 4.85E-01 7.14E+00 1401.50 1.39 5.29E-01 3.99E+00 1407.98 2.48 3.21E+00 4.26E+00 1509.19 2.19 2.38E+00 7.18E+00 1661.28 1.15 2.16E+00 2.73E+00 1729.60 3.05 2.48E-01 5.54E-01 1764.49 15.80
-4.74E+00 3.78E+00 1847.44 2.12
+
PB-214
-3.57E+00 9.03E-01 8.93E+00 74.81 6.33
-1.67E+00 4.93E+00 77.11 10.70 2.06E+00 1.21E+01 87.20 3.70
-1.26E+01 4.15E+01 89.80 1.03 2.96E-01 4.36E+00 241.98 7.49 1.89E+00 1.67E+00 295.21 19.20 6.50E-01 9.03E-01 351.92 37.20 6.12E+00 1.64E+01 785.91 1.10
+
-1.33E+00 1.80E+00 3.16E+00 81.07 15.00 1.09E+00 1.80E+00 83.78 24.80 2.44E+00 3.52E+00 94.90 11.30 2.32E+01 2.77E+01 122.31 1.19 2.25E+00 9.39E+00 144.20 3.26 3.73E+00 5.40E+00 154.19 5.59
-7.77E-01 2.39E+00 269.41 13.60
-5.96E+00 8.47E+00 323.89 3.90 7.76E+00 1.20E+01 338.32 2.78 8.50E+00 3.19E+01 444.94 1.27
+
RA-226 1.36E+01 1.04E+01 1.04E+01 186.21 3.28
+
AC-228
-3.54E+00 8.72E-01 1.15E+01 129.08 2.80
-2.73E+00 7.86E+00 209.28 4.40
-4.14E+00 8.99E+00 270.23 3.60
-4.58E+00 1.03E+01 327.64 3.20 1.89E+00 2.91E+00 338.32 11.40 1.26E+01 1.73E+01 409.51 2.13 1.22E+01 9.89E+00 463.00 4.40
Page 6 of 6 9/13/2017 2:54:44PM Analysis Report for SOIL NRC SAMPLE # 4 Line MDA (pCi/grams)
Yield(%)
Nuclide Name Nuclide MDA (pCi/grams)
Activity (pCi/grams)
(keV)
Energy 2.83E-01 3.96E+00 794.70 4.60 AC-228 8.72E-01 1.42E-01 8.72E-01 911.60 27.70
-3.05E+00 4.86E+00 964.60 5.20 1.88E-01 1.50E+00 969.11 16.60 5.71E-01 2.50E+00 1587.90 3.71
+
Th-230 0.00E+00 2.02E+02 5.31E+11 12.30 8.43
-3.07E+02 2.02E+02 67.60 0.37
-3.73E+02 4.32E+02 168.10 0.07
+
PA-234M
-4.70E-01 2.86E+01 5.99E+01 766.36 0.29
-6.61E+00 2.86E+01 1001.03 0.84
+
TH-234
-2.31E+01 1.57E+01 2.13E+01 63.29 4.50 5.32E+00 1.58E+01 92.38 2.60 1.41E+00 1.57E+01 92.80 2.60
+
AM-241 2.60E+00 2.60E+00 2.60E+00 59.54 36.30
+
CM-243
-3.54E-01 1.57E+00 2.62E+00 99.55 14.30 4.76E-02 1.57E+00 103.76 23.00 1.88E+00 3.10E+00 117.00 10.80 4.80E-01 3.17E+00 228.18 10.60 1.55E+00 2.29E+00 277.60 14.00
+
= 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
=
?
= CAUTION: MDA value is inconsistent with Currie MDA at 95% confidence level