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

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Lab code Draft, page 136 Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True. P Prec. 297 4.88 0.47 9.63 -18.67 1.1 1.3 A 9.8 A A 298 6.25 0.123 1.97 4.17 0.3 0.4 A 2.8 A A 299 5.65 1.1 19.47 -5.83 0.4 2.9 A 19.6 N W 300 6.01 0.48 7.99 0.17 0.0 1.3 A 8.2 A A Final Score
[Bq/kg ] 19 17 15 13 11 9 7 5 3 286 206 151 152 15 74 150 43 204 273 85 144 143 14 223 283 259 98 13 167 142 52 126 78 100 146 183 285 179 131 271 46 86 173 72 187 279 184 634 93 276 106 90 299 81 25 188 245 270 82 168 219 19 26 77 218 9127 211 220 22 175 208 54 239 50 153 111 182 64 84 237 63 20 41 53 134 165 252 264 274 18 224 257 17 57 60 115 128 186 234 236 300 37 160 27 174 58 118 265 132 251 268 169 202 3 275 217 267 210 250 83 105 161 232 138 11 32 80 125 130 207 36 243 30 44 109 164 212 240 292 293 76 284 92 209 295 75 96 233 296 71 200 298 97 24 29 51 79 91 101 122 157 166 253 288 290 214 181 39 68 70 89 112 120 199 272 297 254 227 47 154 162 258 242 190 45 61 87 136 159 170 221 244 185 213 23 94 21 35 38 42 195 256 278 294 238 158 62 103 216 5145 139 269 249 123 191 124 241 246 263 1215 56 201 178 226 193 107 194 163 114 12 88 119 113 431 140 192 255 289 7177 59 172 261 99 40 55 95 16 171 33 65 2133 Lab code Rep. Value Performance evaluation <strong>of</strong> Cs-134 measurement results Rep. Unc. Spiked water sample 02 Target Value: 13.9 ± 0.28 [Bq/kg] Unc. [%] N 31% W 8% A 61% Cs-134 Water sample 02 Rel. Bias Laboratory code A1 A2 True. P Prec. 1 12.32 1.1 8.93 -11.37 1.6 2.9 A 9.1 A A 2 14.29 0.46 3.22 2.81 0.4 1.4 A 3.8 A A 3 14 2 14.29 0.72 0.1 5.2 A 14.4 N W 4 15 0.4 2.67 7.91 1.1 1.3 A 3.3 A A 5 13.43 0.52 3.87 -3.38 0.5 1.5 A 4.4 A A 6 11.7 0.5 4.27 -15.83 2.2 1.5 N 4.7 A N 7 14.35 0.45 3.14 3.24 0.4 1.4 A 3.7 A A 9 12.2 0.4 3.28 -12.23 1.7 1.3 N 3.8 A N 11 12.5 0.7 5.60 -10.07 1.4 1.9 A 5.9 A A 12 14.8 0.6 4.05 6.47 0.9 1.7 A 4.5 A A 13 9.76 0.31 3.18 -29.78 4.1 1.1 N 3.8 A N 14 8.46 0.56 6.62 -39.14 5.4 1.6 N 6.9 A N 15 6.21 0.74 11.92 -55.32 7.7 2.0 N 12.1 N 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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[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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Page 87 and 88: Lab code Rep. Value Rep. Unc. Unc.
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 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 137: Lab code Rep. Value Rep. Unc. Unc.
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 185 and 186: [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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