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

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Figure 5: LSC Spectrum of Pb-210 in moss-soil where the first peak in the region of interest (ROI) is the Pb-210, the ingrowing Bi-210 could be also observed Draft, page 12 Alpha Counts per channel 300 250 200 150 100 50 0 243 Am 241 Am 4 5 6 7 Alpha Energy (MeV) Figure 6: Alpha-ray spectrum of Am separated from a moss soil sample (tracer: Am-243)
AlphaCounts per channel 2000 1500 1000 500 209 Po 210 Po 0 4,0 4,5 5,0 5,5 6,0 6,5 7,0 Alpha Energy (MeV) Figure 7: Alpha-ray spectrum of Po-210 separated from a moss soil sample (tracer: Po-209) Alpha Counts per channel 1600 1400 1200 1000 800 600 400 200 0 242 Pu 239+240 Pu 238 Pu 4 5 6 7 Alpha Energy (MeV) Figure 8: Alpha-ray spectrum of Pu separated from a moss soil sample (tracer: Pu-242) Final Darft, page 13
Page 1 and 2: IAEA Analytical Quality in Nuclear
Page 3 and 4: FOREWORD A reliable determination o
Page 5 and 6: 1. INTRODUCTION A reliable determin
Page 7 and 8: 2.1. Proficiency test objectives 2.
Page 9 and 10: To confirm the assigned target valu
Page 11 and 12: program achieving complete sample d
Page 13: 2.3.4.3. Determination of U-234, U-
Page 17 and 18: 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.
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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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[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
Page 235 and 236:
Prof. Dr. Constantin Papastefanou A
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Mr. A.G. Hegde Health Physics Divis
Page 239 and 240:
Mr. Mario Montalto Istituto Di Radi
Page 241 and 242:
Mr. Samer J. Al-Kharouf Radiation P
Page 243 and 244:
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
Page 257 and 258:
Dr. Paul Smedley Centre For Environ
Page 259 and 260:
Mr. Kevin T. Claver Environmental A
Page 261 and 262:
259
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