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