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

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Lab code Draft, page 102 Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True P Prec Final Score 200 19.1 2 10.47 -25.10 6.4 9.3 A 15.7 A A 201 43.86 4.09 9.33 72.00 18.4 13.1 N 15.0 A N 205 29.6 3.57 12.06 16.08 4.1 12.0 A 16.8 A A 209 917.6 145.19 15.82 3498 892.1 374.7 N 19.7 A N 210 850 190 22.35 3233 824.5 490.3 N 25.3 N N 216 22.9 5.7 24.89 -10.20 2.6 16.6 A 27.5 N W 217 21.82 2.4 11.00 -14.43 3.7 9.9 A 16.1 A A 218 22.89 2.01 8.78 -10.24 2.6 9.3 A 14.7 A A 219 22.3 2.2 9.87 -12.55 3.2 9.6 A 15.4 A A 220 20.21 4.9 24.25 -20.75 5.3 14.8 A 26.9 N N 221 22.1 4.8 21.72 -13.33 3.4 14.6 A 24.7 A A 227 24.77 2.88 11.63 -2.86 0.7 10.7 A 16.5 A A 234 32.2 7.35 22.83 26.27 6.7 20.5 A 25.7 N N 235 95.75 16.17 16.89 275.49 70.3 42.4 N 20.6 A N 236 24.9 5.6 22.49 -2.35 0.6 16.4 A 25.4 N W 237 25.6 2.9 11.33 0.39 0.1 10.8 A 16.3 A A 238 22.1 2.6 11.76 -13.33 3.4 10.2 A 16.6 A A 239 21.7 3.7 17.05 -14.90 3.8 12.3 A 20.7 A A 242 440.5 130.3 29.58 1627 415.0 336.3 N 31.8 N N 244 15.9 3.55 22.33 -37.65 9.6 12.0 A 25.2 N N 245 28 10 35.71 9.80 2.5 26.9 A 37.6 N W 246 22.3 3.33 14.93 -12.55 3.2 11.6 A 19.0 A A 251 29.5 9.2 31.19 15.69 4.0 25.0 A 33.3 N W 253 56 46 82.14 119.61 30.5 118.9 A 83.0 N N 254 29 2 6.90 13.73 3.5 9.3 A 13.6 A A 255 22.8 0.3 1.32 -10.59 2.7 7.8 A 11.8 A A 258 22.1 5.1 23.08 -13.33 3.4 15.3 A 25.9 N W 260 24.1 3.45 14.32 -5.49 1.4 11.8 A 18.5 A A 261 15 1.8 12.00 -41.18 10.5 9.0 N 16.8 A N 263 34.4 10 29.07 34.90 8.9 26.9 A 31.4 N N 264 13 18.1 139.23 -49.02 12.5 47.3 A 139.7 N N 265 72.9 22.2 30.45 185.88 47.4 57.8 A 32.6 N N 267 22 6.5 29.55 -13.73 3.5 18.5 A 31.8 N W 268 26.4 2.6 9.85 3.53 0.9 10.2 A 15.3 A A 269
Lab code Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True P Prec 290 36.9 8.5 23.04 44.71 11.4 23.3 A 25.9 N N 292 38 10 26.32 49.02 12.5 26.9 A 28.8 N N 293 38 10 26.32 49.02 12.5 26.9 A 28.8 N N 294 25.9 3.1 11.97 1.57 0.4 11.1 A 16.8 A A 295 26.3 1.2 4.56 3.14 0.8 8.3 A 12.6 A A 296 31 5.5 17.74 21.57 5.5 16.2 A 21.3 A A 297 29.6 3.8 12.84 16.08 4.1 12.5 A 17.4 A A 298 3043 436.44 14.34 11833 3017.5 1126.0 N 18.6 A N Final Score
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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 53 and 54: 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 103: 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
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[ 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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