Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA

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[Bq/kg] 15 13 11 9 7 5 3 1 Lab code Draft, page 112 Performance evaluation <strong>of</strong> Pu-239+240 measurement results <strong>IAEA</strong>-447 Moss-soil reference material Target Value: 5.3 ± 0.16 [Bq/kg] N 27% W 13% A 60% Pu-239+240 in moss-soil 7 210 61 200 119 70 10 76 55 94 106 259 118 95 264 56 246 156 297 272 199 81 166 110 125 96 93 5 261 26 207 62 8 128 114 41 30 274 256 52 177 299 39 77 12 163 64 232 175 133 3 276 260 212 63 265 143 251 122 191 130 59 111 21 159 32 267 152 150 151 263 141 78 252 185 Rep. Value Rep. Unc. Unc. [%] Rel. Bias Laboratory code A1 A2 True P Prec 3 6.5 1.2 18.46 22.64 1.2 3.1 A 18.7 A A 5 5.03 0.73 14.51 -5.09 0.3 1.9 A 14.8 A A 7 4.9 0.49 10.00 -7.55 0.4 1.3 A 10.4 A A 8 5.4 0.1 1.85 1.89 0.1 0.5 A 3.5 A A 10 4.76 0.155 3.26 -10.19 0.5 0.6 A 4.4 A A 12 5.1 0.3 5.88 -3.77 0.2 0.9 A 6.6 A A 21 5.46 0.66 12.09 3.02 0.2 1.8 A 12.5 A A 26 4.98 0.39 7.83 -6.04 0.3 1.1 A 8.4 A A 30 5.3 0.4 7.55 0.00 0.0 1.1 A 8.1 A A 32 43.9 1.7 3.87 728.30 38.6 4.4 N 4.9 A N 39 5.2 0.3 5.77 -1.89 0.1 0.9 A 6.5 A A 41 5.3 0.1 1.89 0.00 0.0 0.5 A 3.6 A A 52 5.25 0.46 8.76 -0.94 0.0 1.3 A 9.3 A A Final Score
Lab code Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True P Prec Final Score 55 4.65 0.18 3.87 -12.26 0.6 0.6 N 4.9 A W 56 4.27 0.16 3.75 -19.43 1.0 0.6 N 4.8 A W 59 5.5 0.6 10.91 3.77 0.2 1.6 A 11.3 A A 61 4.82 0.82 17.01 -9.06 0.5 2.2 A 17.3 A A 62 5.03 1.09 21.67 -5.09 0.3 2.8 A 21.9 N W 63 5.96 0.56 9.40 12.45 0.7 1.5 A 9.9 A A 64 5.05 0.43 8.51 -4.72 0.3 1.2 A 9.0 A A 70 4.78 0.23 4.81 -9.81 0.5 0.7 A 5.7 A A 76 4.65 0.27 5.81 -12.26 0.6 0.8 A 6.5 A A 77 5.131 0.181 3.53 -3.19 0.2 0.6 A 4.6 A A 78 7.51 0.678 9.03 41.70 2.2 1.8 N 9.5 A N 81 3.16 0.29 9.18 -40.38 2.1 0.9 N 9.7 A N 91 67.7 2.1 3.10 1177.3 62.4 5.4 N 4.3 A N 93 4.9 1.6 32.65 -7.55 6 0.4 4.1 A 32.8 N W 94 4.6 1.5 32.61 -13.21 0.7 3.9 A 32.7 N W 95 4.42 0.44 9.95 -16.60 0.9 1.2 A 10.4 A A 96 0.52 0.06 11.54 -90.19 4.8 0.4 N 11.9 A N 106 4.58 0.68 14.85 -13.58 0.7 1.8 A 15.2 A A 110 1.06 0.0412 3.89 -80.00 4.2 0.4 N 4.9 A N 111 5.47 0.02 0.37 3.21 0.2 0.4 A 3.0 A A 114 5.3 0.3 5.66 0.00 0.0 0.9 A 6.4 A A 118 4.42 0.36 8.14 -16.60 0.9 1.0 A 8.7 A A 119 4.78 0.61 12.76 -9.81 0.5 1.6 A 13.1 A A 122 5.6 0.51 9.11 5.66 0.3 1.4 A 9.6 A A 125 0.6 0.5 83.33 -88.68 4.7 1.4 N 83.4 N N 128 5.33 0.45 8.44 0.57 0.0 1.2 A 9.0 A A 130 5.5 0.51 9.27 3.77 0.2 1.4 A 9.8 A A 133 5.41 0.35 6.47 2.08 0.1 1.0 A 7.1 A A 141 7.785 0.77 9.89 46.89 2.5 2.0 N 10.3 A N 143 5.91 0.11 1.86 11.51 0.6 0.5 N 3.5 A W 150 21.9 2.85 13.01 313.21 16.6 7.4 N 13.4 A N 151 21.87 0.48 2.19 312.64 16.6 1.3 N 3.7 A N 152 23 3 13.04 333.96 17.7 7.8 N 13.4 A N 156 3.87 0.331 8.55 -26.98 1.4 0.9 N 9.1 A N 159 6.5 0.4 6.15 22.64 1.2 1.1 N 6.9 A N 163 5.08 0.35 6.89 -4.15 0.2 1.0 A 7.5 A A 166 3.13 0.35 11.18 -40.94 2.2 1.0 N 11.6 A N 175 5.04 0.17 3.37 -4.91 0.3 0.6 A 4.5 A A 177 5.21 0.25 4.80 -1.70 0.1 0.8 A 5.7 A A 185 6.7 0.5 7.46 26.42 1.4 1.4 N 8.1 A N 191 5.54 0.42 7.58 4.53 0.2 1.2 A 8.2 A A 199 3.61 0.92 25.48 -31.89 1.7 2.4 A 25.7 N N 200 4.8 1.1 22.92 -9.43 0.5 2.9 A 23.1 N W 207 4.92 0.33 6.71 -7.17 0.4 0.9 A 7.4 A A 210 4.86 0.73 15.02 -8.30 0.4 1.9 A 15.3 A A 212 6 0.3 5.00 13.21 0.7 0.9 A 5.8 A A 232 5.049 0.079 1.56 -4.74 0.3 0.5 A 3.4 A A 246 4.2 0.24 5.71 -20.75 1.1 0.7 N 6.5 A N
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IAEA Analytical Quality in Nuclear
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FOREWORD A reliable determination o
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1. INTRODUCTION A reliable determin
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2.1. Proficiency test objectives 2.
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To confirm the assigned target valu
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program achieving complete sample d
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2.3.4.3. Determination of U-234, U-
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AlphaCounts per channel 2000 1500 1
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3. PERFORMANCE CRITERIA Several rat
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acceptable”, a further check is a
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TABLE 4. SUMMARY EVALUATION OF ALL
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Lab. code Number of reported Scored
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4.2. General recommendations and le
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Difference S2-S4 (%) Difference S2-
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4.4. Recommendations related to the
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[Bq/kg] 70 60 50 40 30 20 10 0 Ra-2
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Figure 22: Part of the Thorium radi
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5. CONCLUSIONS The IAEA-CU-2009-03
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REFERENCES [1] DUEWER, D.L., A Robu
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APPENDIX I: PERFORMANCE EVALUATION
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Lab code Rep. Value Rep. Unc. Unc.
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Page 63 and 64: Lab code Rep. Value Rep. Unc. Unc.
Page 67 and 68: [Bq/kg] 650 575 500 425 350 275 200
Page 69 and 70: [Bq/kg] 650 600 550 500 450 400 350
Page 71 and 72: [ B q /k g ] 70 60 50 40 30 20 10 L
Page 93 and 94: [Bq] 50 45 40 35 30 25 20 15 10 120
Page 95 and 96: [Bq/kg] 60 50 40 30 20 10 0 25 223
Page 101 and 102: [ B q /k g ] 60 50 40 30 20 10 0 72
Page 113: Lab code Rep. Value Rep. Unc. Unc.
Page 117 and 118: [Bq/kg] 15 13 11 9 7 5 3 1 74 131 2
Page 123 and 124: [Bq/kg] 45 41 37 33 29 25 21 17 13
Page 139 and 140: [Bq/kg ] 19 17 15 13 11 9 7 5 3 286
Page 153 and 154: [Bq/kg] 19 17 15 13 11 9 7 5 3 1 25
Page 159 and 160: [ B q /k g ] 5.5 5 4.5 4 3.5 3 2.5
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[ B q /k g ] 3.5 3.0 2.5 2.0 1.5 1.
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[Bq /kg ] 8.5 7.5 6.5 5.5 4.5 3.5 2
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[Bq/kg] 7.5 6.5 5.5 4.5 3.5 2.5 1.5
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[B q /k g ] 13 11 9 7 5 3 1 515 26
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[Bq /kg ] 11 9 7 5 3 1 219 250 233
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[Bq/kg] 13 11 9 7 5 3 1 273 5264 26
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APPENDIX II: LIST OF PARTICIPATING
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Dr. Victor Badulin Public Exposure
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Dr. David Lobb Department of Soil S
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Petr Rulik Monitoring Department Na
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Mr. Benoit Daniel Eichrom Europe Ru
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Prof. Dr. Constantin Papastefanou A
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Mr. A.G. Hegde Health Physics Divis
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Mr. Mario Montalto Istituto Di Radi
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Mr. Samer J. Al-Kharouf Radiation P
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Ms. Snezana Dimovska Radioecology R
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Dr. Andrzej Komosa Department of Ra
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Ms. Ana-Maria Apostu Dept. of Life
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Mr. Peter Jovanovic Department of P
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Dr. Catalina Gasco Leonarte Ed. 3a
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Dra. Montserrat Llaurado Departamen
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Mr. Abdullah Dirican Turkish Atomic
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Dr. Paul Smedley Centre For Environ
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Mr. Kevin T. Claver Environmental A
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