Individual Evaluation Report
for the World-Wide Open Proficiency Test IAEA-TEL-2014-03
Individual Evaluation Report
for
Laboratory Nr. 87
Participant Information:
Contact Information:
M.Sc. Michael Stietka
Franz-Grill-Str. 9, BOKU, 1030 Vienna
S. Tarjan
IAEA Reference Materials Group
Terrestrial Environment Laboratory
NA Environment Laboratories NAEL
International Atomic Energy Agency
A-2444 Seibersdorf - Austria
Email: s.tarjan@iaea.org
Tel: + 43 1 2600 28242
Fax: + 43 1 2600 28222
http://nucleus.iaea.org/rpst/
DISCLAIMER: This report has been generated automatically and is for your personal information only. The official results of the proficiency test will be published in the final report. If you find, that any information provided
on this form might be incorrect please contact us as soon as possible.
Page 1 of 6
Proficiency Test IAEA-TEL-2014-03 Evaluation Report
Created on 2014-11-11
Description of the evaluation criterias:
DISCLAIMER: This report has been generated automatically and is for your personal information only. The official results of the proficiency test will be published in the final report. If you find, that any information provided
on this form might be incorrect please contact us as soon as possible.
Page 2 of 6
Proficiency Test IAEA-TEL-2014-03 Evaluation Report
Created on 2014-11-11
Target Value Tables for the proficiency test parameters:
Table of Target Values and Evaluation Parameters (MARB) for Sample 1
Sample Code
Analyte
Target Value
Uncertainty
14.93
0.14
20 %
Cs-134
21.4
0.2
20 %
Cs-137
12.06
0.1
20 %
Pb-210
49.87
1.23
20 %
1
Sr-90
1
1
1
MARB
Table of Target Values and Evaluation Parameters (MARB) for Sample 2
Sample Code
Analyte
Target Value
Uncertainty
MARB
2
Eu-152
50.05
0.41
20 %
2
Ra-226
14.21
0.06
20 %
2
Ra-226gamma
14.21
0.06
20 %
2
U-234
1.91
0.01
20 %
2
U-235
0.0891
0.001
30 %
2
U-238
1.98
0.01
20 %
2
Am-241
16.25
0.2
20 %
Table of Target Values and Evaluation Parameters (MARB) for Sample 4
Sample Code
Analyte
Target Value
Uncertainty
MARB
4
Cs-134
8.27
0.2
25 %
4
Cs-137
22.96
0.45
20 %
Table of Target Values and Evaluation Parameters (MARB) for Sample 5
Sample Code
Analyte
Target Value
Uncertainty
5
Cs-137
12
0.4
MARB
20 %
DISCLAIMER: This report has been generated automatically and is for your personal information only. The official results of the proficiency test will be published in the final report. If you find, that any information provided
on this form might be incorrect please contact us as soon as possible.
Page 3 of 6
Proficiency Test IAEA-TEL-2014-03 Evaluation Report
Created on 2014-11-11
Evaluation Tables for Labcode 87.
Evaluation Result Table for Sample 1
Sample Code
Analyte
Target Value
Target Unc.
Rep. Value
Rep. Unc
Rel. Bias
Robust SD
Z-Score
U-Test
Precision
Final Score
1
Cs-134
21.4
0.2
MARB
20 %
21.1
1.3
-1.40 %
1.2
-0.25
-0.23
Accuracy
A
P
6.23
A
A
1
Cs-137
12.06
0.1
20 %
12.0
0.7
-0.50 %
0.5
-0.12
-0.08
A
5.89
A
A
1
Pb-210
49.87
1.23
20 %
46.6
3.3
-6.56 %
7.4
-0.44
-0.93
A
7.50
A
A
Precision
Final Score
Evaluation Result Table for Sample 2
Sample Code
Analyte
Target Value
Target Unc.
2
Am-241
16.25
0.2
2
Eu-152
50.05
0.41
MARB
Rep. Value
Rep. Unc
Rel. Bias
Robust SD
Z-Score
U-Test
20 %
13.9
0.83
-14.46 %
20 %
48.6
2.9
-2.90 %
Accuracy
P
1.2
-1.96
-2.75
A
6.10
A
A
2.9
-0.50
-0.50
A
6.02
A
A
Precision
Final Score
Evaluation Result Table for Sample 4
Sample Code
Analyte
Target Value
Target Unc.
4
Cs-134
8.27
0.2
4
Cs-137
22.96
0.45
MARB
Rep. Value
Rep. Unc
Rel. Bias
Robust SD
Z-Score
U-Test
25 %
8.18
0.65
-1.09 %
20 %
21.99
1.32
-4.22 %
Accuracy
P
0.9
-0.10
-0.13
A
8.31
A
A
1.9
-0.51
-0.70
A
6.31
A
A
Precision
Final Score
A
A
Evaluation Result Table for Sample 5
Sample Code
Analyte
Target Value
Target Unc.
5
Cs-137
12
0.4
MARB
20 %
Rep. Value
Rep. Unc
12.54
0.75
Rel. Bias
4.50 %
Robust SD
1
Z-Score
U-Test
0.54
0.64
Accuracy
A
P
6.85
DISCLAIMER: This report has been generated automatically and is for your personal information only. The official results of the proficiency test will be published in the final report. If you find, that any information provided
on this form might be incorrect please contact us as soon as possible.
Page 4 of 6
Proficiency Test IAEA-TEL-2014-03 Evaluation Report
Created on 2014-11-11
Intercomparison Parameter Evaluation:
Calculation of Evaluation Parameters
robust average: x*=median of xi (i=1,2..p), robust standart deviation s*=1.483 * median of |xi-x*|, z-score: z=(Reported-Value - TargetValue)/s*
z-score evaluation: z<2: acceptable, 2<=z<=3: warning, z>3: not acceptable
Sample Code
Analyte
Robust Mean
Robust SD
4
K-40
1780
150
4
Ra-226
5.1
3.7
5
K-40
270
5
Pb-210
5
Ra-226
5
Rep. Value
Rep. Unc
Z-Score
Z-Score Evaluation
1865
112
0.57
A
6.40
0.83
0.35
A
27
290.3
17.42
0.75
A
19.6
4.5
22.66
2.04
0.68
A
19
4.8
19.42
1.17
0.09
A
Ra-228
12.1
1.5
10.0
0.9
-1.40
A
5
Th-228
12.2
1.5
13.76
0.96
1.04
A
5
U-238
16
3.8
10.72
2.04
-1.39
A
DISCLAIMER: This report has been generated automatically and is for your personal information only. The official results of the proficiency test will be published in the final report. If you find, that any information provided
on this form might be incorrect please contact us as soon as possible.
Page 5 of 6
Proficiency Test IAEA-TEL-2014-03 Evaluation Report
Created on 2014-11-11
The analytes listed in the table below have been identified but are not present in the samples (false positive):
Sample Code
Analyte
Reported Value
DISCLAIMER: This report has been generated automatically and is for your personal information only. The official results of the proficiency test will be published in the final report. If you find, that any information provided
on this form might be incorrect please contact us as soon as possible.
Page 6 of 6