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

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Lab code Draft, page 68 Rep. Value Rep. Unc. Unc. [%] Rel. Bias A1 A2 True P Prec Final Score 74 425 15 3.53 0.47 2.0 46.5 A 4.2 A A 76 316 12 3.80 -25.30 107.0 40.3 N 4.5 A N 77 433.3 10.6 2.45 2.43 10.3 37.6 A 3.4 A A 78 680 58.5 8.60 60.76 257.0 153.1 N 8.9 A N 80 525 20 3.81 24.11 102.0 57.7 N 4.5 A N 82 356.62 6.21 1.74 -15.69 66.4 30.4 N 2.9 A W 83 197.71 20.85 10.55 -53.26 225.3 59.7 N 10.8 A N 86 465 12 2.58 9.93 42.0 40.3 N 3.5 A W 88 426 23 5.40 0.71 3.0 64.7 A 5.9 A A 93 460 57.5 12.50 8.75 37.0 150.6 A 12.7 A A 95 634 57 8.99 49.88 211.0 149.3 N 9.3 A N 98 361.73 9.56 2.64 -14.48 61.3 35.7 N 3.5 A W 111 745.6 6.59 0.88 76.26 322.6 30.9 N 2.5 A N 114 340 80 23.53 -19.62 83.0 208.0 A 23.6 N W 122 420 12 2.86 -0.71 3.0 40.3 A 3.7 A A 125 0.6 0.6 100.00 -99.86 422.4 25.8 N 100.0 N N 133 430 15 3.49 1.65 7.0 46.5 A 4.2 A A 138 600 29 4.83 41.84 177.0 79.1 N 5.4 A N 141 183.1 4.54 2.48 -56.71 239.9 28.3 N 3.4 A N 145 771.98 11 1.42 82.50 349.0 38.4 N 2.8 A N 150 821.28 48.12 5.86 94.16 398.3 126.8 N 6.3 A N 151 455.51 11.37 2.50 7.69 32.5 39.1 A 3.4 A A 152 398 15 3.77 -5.91 25.0 46.5 A 4.4 A A 156 462.1 36.69 7.94 9.24 39.1 98.1 A 8.3 A A 166 436 40 9.17 3.07 13.0 106.4 A 9.5 A A 167 381.21 24.76 6.50 -9.88 41.8 68.9 A 6.9 A A 175 425 16 3.76 0.47 2.0 48.7 A 4.4 A A 181 186.37 8.48 4.55 -55.94 236.6 33.8 N 5.1 A N 191 391.87 26.03 6.64 -7.36 31.1 71.9 A 7.1 A A 199 282.6 10.7 3.79 -33.19 140.4 37.8 N 4.5 A N 200 485 35 7.22 14.66 62.0 93.9 A 7.6 A A 207 350 19 5.43 -17.26 73.0 55.4 N 5.9 A W 210 334 36 10.78 -21.04 89.0 96.4 A 11.0 A A 216 399 13 3.26 -5.67 24.0 42.3 A 4.0 A A 232 400 6.1 1.53 -5.44 23.0 30.2 A 2.8 A A 236 406 20 4.93 -4.02 17.0 57.7 A 5.5 A A 246 477.7 3.21 0.67 12.93 54.7 27.1 N 2.5 A W 251 885.8 59.2 6.68 109.41 462.8 154.9 N 7.1 A N 256 428 24 5.61 1.18 5.0 67.1 A 6.1 A A 257 408.4 7.6 1.86 -3.45 14.6 32.4 A 3.0 A A 260 420 54.6 13.00 -0.71 3.0 143.2 A 13.2 A A 264 561 25.3 4.51 32.62 138.0 70.2 N 5.1 A N 265 532.4 11.2 2.10 25.86 109.4 38.7 N 3.2 A N 267 61 15 24.59 -85.58 362.0 46.5 N 24.7 N N 272 819.2 11.6 1.42 93.66 396.2 39.5 N 2.8 A N 276 290 40 13.79 -31.44 133.0 106.4 N 14.0 A N 297 420 20 4.76 -0.71 3.0 57.7 A 5.3 A A 299 434 52 11.98 2.60 11.0 136.6 A 12.2 A A
[ B q /k g ] 70 60 50 40 30 20 10 Lab code Rep. Value Performance evaluation <strong>of</strong> Pb-212 measurement results Rep. Unc. <strong>IAEA</strong>-447 Moss-soil reference material Target Value: 37.0 ± 1.5 [Bq/kg] Unc. [%] N W 11% 5% Rel. Bias A 84% Pb-212 in moss-soil Laboratory code A1 A2 True P Prec 1 34.03 3.57 10.49 -8.03 3.0 10.0 A 11.2 A A 3 39 5 12.82 5.41 2.0 13.5 A 13.4 A A 5 35 2.5 7.14 -5.41 2.0 7.5 A 8.2 A A 6 38.6 2.3 5.96 4.32 1.6 7.1 A 7.2 A A 7 36.16 1.24 3.43 -2.27 0.8 5.0 A 5.3 A A 10 37.27 1.12 3.01 0.73 0.3 4.8 A 5.0 A A 11 34.4 3.4 9.88 -7.03 2.6 9.6 A 10.7 A A 12 39 4 10.26 5.41 2.0 11.0 A 11.0 A A 13 29.26 1.29 4.41 -20.92 7.7 5.1 N 6.0 A N 14 233 6.91 2.97 529.73 196.0 18.2 N 5.0 A N 15 26.83 3.63 13.53 -27.49 10.2 10.1 N 14.1 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
Page 19 and 20: acceptable”, a further check is a
Page 21 and 22: TABLE 4. SUMMARY EVALUATION OF ALL
Page 23 and 24: Lab. code Number of reported Scored
Page 29 and 30: 4.2. General recommendations and le
Page 31 and 32: Difference S2-S4 (%) Difference S2-
Page 33 and 34: 4.4. Recommendations related to the
Page 35 and 36: [Bq/kg] 70 60 50 40 30 20 10 0 Ra-2
Page 37 and 38: Figure 22: Part of the Thorium radi
Page 39 and 40: 5. CONCLUSIONS The IAEA-CU-2009-03
Page 41 and 42: REFERENCES [1] DUEWER, D.L., A Robu
Page 43 and 44: APPENDIX I: PERFORMANCE EVALUATION
Page 45 and 46: Lab code Rep. Value Rep. Unc. Unc.
Page 67 and 68: [Bq/kg] 650 575 500 425 350 275 200
Page 69: [Bq/kg] 650 600 550 500 450 400 350
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
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Lab code Rep. Value Rep. Unc. Unc.
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[Bq/kg] 45 41 37 33 29 25 21 17 13
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[Bq/kg ] 19 17 15 13 11 9 7 5 3 286
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[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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