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

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Lab code Draft, page 182 Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True. P Prec. 294 3.72 0.1 2.69 16.25 0.5 0.3 N 3.4 A N 295 3.55 0.15 4.23 10.94 0.4 0.4 A 4.7 A A 296 3.4 0.2 5.88 6.25 0.2 0.5 A 6.2 A A 297 3.69 0.33 8.94 15.31 0.5 0.9 A 9.2 A A 298 3.295 0.1232 3.74 2.97 0.1 0.4 A 4.2 A A 299 3.72 0.99 26.61 16.25 0.5 2.6 A 26.7 N N 300 3.09 0.25 8.09 -3.44 0.1 0.7 A 8.3 A A Final Score
[Bq/kg] 7.5 6.5 5.5 4.5 3.5 2.5 1.5 0.5 277 273 200 43 125 150 151 152 223 121 37 78 82 12 44 239 260 146 138 224 123 168 31 126 279 259 124 232 300 157 210 167 34 52 90 218 258 91 50 72 131 53 21 36 98 159 183 242 245 295 201 39 96 188 13 215 217 92 220 185 19 112 120 233 95 195 89 212 271 132 41 59 87 130 179 193 237 240 241 290 292 293 23 81 99 164 274 244 7255 238 272 18 211 26 249 624 29 68 70 139 140 221 246 250 276 71 62 128 214 22 118 101 165 173 111 141 289 58 169 186 46 80 158 194 208 243 20 55 161 162 268 175 57 219 16 40 166 122 109 254 60 294 30 86 187 133 65 134 191 17 64 213 153 181 35 342 56 192 251 227 45 144 267 97 11 170 199 252 296 47 63 265 61 298 54 184 172 288 174 9216 84 154 285 278 160 275 114 207 171 202 76 38 253 270 4107 163 178 256 93 94 263 297 100 284 182 236 32 73 269 106 190 51 261 177 77 88 209 143 197 115 264 75 514 230 235 136 286 225 Lab code Rep. Value Performance evaluation <strong>of</strong> Eu-152 measurement results Rep. Unc. Spiked water sample 03 Target Value: 3.7 ± 0.08 [Bq/kg] Unc. [%] N 28% W 12% A 60% Eu-152 Water sample 03 Rel. Bias Laboratory code A1 A2 True. P Prec. 1 3.42 0.44 12.87 -7.57 0.3 1.2 A 13.0 N W 3 3.9 0.6 15.38 5.41 0.2 1.6 A 15.5 N W 4 4.41 0.29 6.58 19.19 0.7 0.8 A 6.9 A A 5 10.06 0.8 7.95 171.89 6.4 2.1 N 8.2 A N 6 3.59 0.22 6.13 -2.97 0.1 0.6 A 6.5 A A 7 3.54 0.16 4.52 -4.32 0.2 0.5 A 5.0 A A 9 4.16 0.52 12.50 12.43 0.5 1.4 A 12.7 N N 11 4 0.3 7.50 8.11 0.3 0.8 A 7.8 A A 12 2.7 0.3 11.11 -27.03 1.0 0.8 N 11.3 N N 13 3.43 0.16 4.66 -7.30 0.3 0.5 A 5.1 A A 14 10.7 0.15 1.40 189.19 7.0 0.4 N 2.6 A N 16 3.74 0.08 2.14 1.08 0.0 0.3 A 3.0 A A 17 3.86 0.19 4.92 4.32 0.2 0.5 A 5.4 A A 18 3.56 0.14 3.93 -3.78 0.1 0.4 A 4.5 A A 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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[Bq/kg] 15 13 11 9 7 5 3 1 74 131 2
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[Bq/kg] 45 41 37 33 29 25 21 17 13
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Page 133 and 134: Lab code Rep. Value Rep. Unc. Unc.
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 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 183: Lab code Rep. Value Rep. Unc. Unc.
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
Page 225 and 226: APPENDIX II: LIST OF PARTICIPATING
Page 227 and 228: Dr. Victor Badulin Public Exposure
Page 229 and 230: Dr. David Lobb Department of Soil S
Page 231 and 232: Petr Rulik Monitoring Department Na
Page 233 and 234: 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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