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

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Lab code Draft, page 160 Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True. P Prec. 138 2.62 0.78 29.77 4.80 0.1 2.0 A 29.8 N W 139 2.38 0.175 7.35 -4.80 0.1 0.5 A 7.6 A A 140 2.5 0.19 7.60 0.00 0.0 0.5 A 7.9 A A 141 3.97 0.44 11.08 58.80 1.5 1.1 N 11.3 N N 142 2.31 0.0036 0.16 -7.60 0.2 0.1 N 2.0 A W 146 1.55 0.3 19.35 -38.00 1.0 0.8 N 19.5 N N 150 0.97 0.09 9.28 -61.20 1.5 0.3 N 9.5 A N 151 1.93 0.28 14.51 -22.80 0.6 0.7 A 14.6 N N 152 2 0.3 15.00 -20.00 0.5 0.8 A 15.1 N N 153 2.822 0.399 14.14 12.88 0.3 1.0 A 14.3 N N 154 1.8 0.2 11.11 -28.00 0.7 0.5 N 11.3 N N 157 2.6 0.4 15.38 4.00 0.1 1.0 A 15.5 N W 158 2.65 0.17 6.42 6.00 0.2 0.5 A 6.7 A A 159 2.52 0.09 3.57 0.80 0.0 0.3 A 4.1 A A 160 3.33 0.27 8.11 33.20 0.8 0.7 N 8.4 A N 161 3.13 0.24 7.67 25.20 0.6 0.6 A 7.9 A A 162 2.42 0.23 9.50 -3.20 0.1 0.6 A 9.7 A A 163 2.84 0.44 15.49 13.60 0.3 1.1 A 15.6 N N 164 2.45 0.42 17.14 -2.00 0.0 1.1 A 17.3 N W 165 2.59 0.14 5.41 3.60 0.1 0.4 A 5.8 A A 166 2.41 0.53 21.99 -3.60 0.1 1.4 A 22.1 N W 167 1.28 0.14 10.94 -48.80 1.2 0.4 N 11.1 N N 168 2.41 0.09 3.73 -3.60 0.1 0.3 A 4.2 A A 169 2.54 0.11 4.33 1.60 0.0 0.3 A 4.8 A A 170 2.3 0.2 8.70 -8.00 0.2 0.5 A 8.9 A A 171 2.42 0.16 6.61 -3.20 0.1 0.4 A 6.9 A A 173 2.34 0.11 4.70 -6.40 0.2 0.3 A 5.1 A A 174 2.52 0.13 5.16 0.80 0.0 0.4 A 5.5 A A 175 2.42 0.16 6.61 -3.20 0.1 0.4 A 6.9 A A 176 2.07 0.07 3.38 -17.20 0.4 0.2 N 3.9 A N 177 2.26 0.2 8.85 -9.60 0.2 0.5 A 9.1 A A 178 2.4 0.142 5.92 -4.00 0.1 0.4 A 6.2 A A 179 2.56 0.22 8.59 2.40 0.1 0.6 A 8.8 A A 181 2.48 0.14 5.65 -0.80 0.0 0.4 A 6.0 A A 183 3.27 0.25 7.65 30.80 0.8 0.7 N 7.9 A N 184 1.83 0.1 5.46 -26.80 0.7 0.3 N 5.8 A N 185 2.21 0.18 8.14 -11.60 0.3 0.5 A 8.4 A A 186 2.54 0.12 4.72 1.60 0.0 0.3 A 5.1 A A 187 1.9 0.5 26.32 -24.00 0.6 1.3 A 26.4 N N 188 3 0.3 10.00 20.00 0.5 0.8 A 10.2 N N 190 2.21 0.6 27.15 -11.60 0.3 1.6 A 27.2 N N 191 2.12 0.24 11.32 -15.20 0.4 0.6 A 11.5 N N 192 3.7 0.3 8.11 48.00 1.2 0.8 N 8.4 A N 193 3.7 0.2 5.41 48.00 1.2 0.5 N 5.8 A N 194 3.5 0.2 5.71 40.00 1.0 0.5 N 6.1 A N 195 2.56 0.45 17.58 2.40 0.1 1.2 A 17.7 N W 197 4.83 0.04 0.83 93.20 2.3 0.2 N 2.2 A N 199 2.3 0.4 17.39 -8.00 0.2 1.0 A 17.5 N W Final Score
Lab code Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True. P Prec. 200 2.5 0.14 5.60 0.00 0.0 0.4 A 5.9 A A 201 2.24 0.11 4.91 -10.40 0.3 0.3 A 5.3 A A 202 4.597 0.213 4.63 83.88 2.1 0.6 N 5.0 A N 207 3.62 0.69 19.06 44.80 1.1 1.8 A 19.2 N N 208 2.9 1 34.48 16.00 0.4 2.6 A 34.5 N N 209 2.51 0.14 5.58 0.40 0.0 0.4 A 5.9 A A 210 2.4 0.06 2.50 -4.00 0.1 0.2 A 3.2 A A 211 2.7 0.14 5.19 8.00 0.2 0.4 A 5.6 A A 212 2.53 0.17 6.72 1.20 0.0 0.5 A 7.0 A A 213 2.14 0.25 11.68 -14.40 0.4 0.7 A 11.9 N N 214 2.69 0.09 3.35 7.60 0.2 0.3 A 3.9 A A 215 2.44 0.17 6.97 -2.40 0.1 0.5 A 7.2 A A 217 2.8 0.13 4.64 12.00 0.3 0.4 A 5.1 A A 218 2.384 0.123 5.16 -4.64 0.1 0.3 A 5.5 A A 219 2.48 0.11 4.44 -0.80 0.0 0.3 A 4.9 A A 220 2.15 0.2 9.30 -14.00 0.4 0.5 A 9.5 A A 221 2.9 0.3 10.34 16.00 0.4 0.8 A 10.5 N N 223 1.53 0.27 17.65 -38.80 1.0 0.7 N 17.8 N N 224 1.7 0.28 16.47 -32.00 0.8 0.7 N 16.6 N N 226 60.8 6.6 10.86 2332.00 58.3 17.0 N 11.0 N N 227 2.2 0.17 7.73 -12.00 0.3 0.5 A 8.0 A A 232 3.84 0.08 2.08 53.60 1.3 0.2 N 2.9 A N 233 2.35 0.22 9.36 -6.00 0.2 0.6 A 9.6 A A 235 3.27 0.49 14.98 30.80 0.8 1.3 A 15.1 N N 236 2.34 0.56 23.93 -6.40 0.2 1.5 A 24.0 N W 237 2.1 0.6 28.57 -16.00 0.4 1.6 A 28.6 N N 238 2.5 0.1 4.00 0.00 0.0 0.3 A 4.5 A A 239 2.31 0.09 3.90 -7.60 0.2 0.3 A 4.4 A A 240 2.3 0.6 26.09 -8.00 0.2 1.6 A 26.2 N W 242 2.52 0.12 4.76 0.80 0.0 0.3 A 5.2 A A 243 2.61 0.1813 6.95 4.40 0.1 0.5 A 7.2 A A 244 1.91 0.118 6.18 -23.60 0.6 0.3 N 6.5 A N 245 2.23 0.1 4.48 -10.80 0.3 0.3 A 4.9 A A 246 3.96 0.13 3.28 58.40 1.5 0.4 N 3.8 A N 249 2.82 0.2 7.09 12.80 0.3 0.5 A 7.4 A A 250 3.06 0.3 9.80 22.40 0.6 0.8 A 10.0 N N 251 2.35 0.25 10.64 -6.00 0.2 0.7 A 10.8 N W 252 2 0.2 10.00 -20.00 0.5 0.5 A 10.2 N N 253 2 0.2 10.00 -20.00 0.5 0.5 A 10.2 N N 254 2.57 0.23 8.95 2.80 0.1 0.6 A 9.2 A A 255 4.27 0.4 9.37 70.80 1.8 1.0 N 9.6 A N 256 2.25 0.22 9.78 -10.00 0.3 0.6 A 10.0 A A 257 2.42 0.18 7.44 -3.20 0.1 0.5 A 7.7 A A 258 2.52 0.28 11.11 0.80 0.0 0.7 A 11.3 N W 259 1.94 0.46 23.71 -22.40 0.6 1.2 A 23.8 N N 260 3.03 0.46 15.18 21.20 0.5 1.2 A 15.3 N N 261 2.5 0.3 12.00 0.00 0.0 0.8 A 12.2 N W 263 2.7 0.99 36.67 8.00 0.2 2.6 A 36.7 N W 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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[Bq/kg] 650 575 500 425 350 275 200
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[Bq/kg] 650 600 550 500 450 400 350
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[ B q /k g ] 70 60 50 40 30 20 10 L
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[Bq] 50 45 40 35 30 25 20 15 10 120
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[Bq/kg] 60 50 40 30 20 10 0 25 223
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[ B q /k g ] 60 50 40 30 20 10 0 72
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Page 111 and 112: 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
Page 161: Lab code Rep. Value Rep. Unc. Unc.
Page 165 and 166: [ B q /k g ] 3.5 3.0 2.5 2.0 1.5 1.
Page 171 and 172: [Bq /kg ] 8.5 7.5 6.5 5.5 4.5 3.5 2
Page 185 and 186: [Bq/kg] 7.5 6.5 5.5 4.5 3.5 2.5 1.5
Page 191 and 192: [B q /k g ] 13 11 9 7 5 3 1 515 26
Page 197 and 198: [Bq /kg ] 11 9 7 5 3 1 219 250 233
Page 211 and 212: [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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