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

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Dr. Dragana Todorovic Environmental Radiation Protection Department Vinca Institute of Nuclear Sciences Mike Petrovica Alasa 12 P.O.Box 522 11001, Vinca Serbia Ms. Dubravka Vukovic Radiation Hygienic Laboratory Institutre of Veterinary Medicine Laboratory For Radiation Hygiene Autoput Br. 3 11070, Novi Beograd Serbia Ms. Maja Eremic-Savkovic Radioecology Institute of Occupational and Radiological Health Dr Dragomir Karajovic Deligradska 29 Yu-11000, Belgrade Serbia Ms. Maja Gajic-Kvascev Vnd Project Vinca Institute of Nuclear Sciences Mike Petrovica Alasa 12-14 Pob 522 Yu-11001, Belgrade Serbia Ms. Immanda Louw Radioanalysis South African Nuclear Energy Corporation (Necsa) Building 1600 Church Street West Pretoria, 0001 South Africa Ms. Monique Alard H/O Environmental Survey Laboratory Chemistry Group Koeberg Nuclear Power Station Eskom Nuclear Portfolio R 27 - Bff West Cost Road Za-7440, Kernkrag Melkbosstrand South Africa Vekoslava Stibilj Department of Environmental Sciences Institute Jozef Stefan Jamova 39 1000, Ljubljana Slovenia 246
Mr. Peter Jovanovic Department of Physical Measurements Zvd Zavod Za Varstvo Pri Delu D.D. Chengdujska Cesta 25 Si-1000, Lubljana Slovenia Ms. Jasmina Kozar-Logar Laboratory For Liquid Scintillation Spectrometry, Department For Low and Medium Energy Physics, Institute Jozef Stefan Jamova 39 1000, Ljubljana Slovenia Mr. Marko Giacomelli Laboratory For Measurement of Specific Activities of Radionuclides Zvd Zavod Za Varstvo Pri Delu D.D. Chengdujska Cesta 25 Si-1000, Ljubljana Slovenia Dr. Lubomir Matel Faculty of Science Department of Nuclear Chemistry Comenius University Mlynska Dolina Ch-1 Sk-842 15, Bratislava Slovakia Rndr Frantisek Durec Department of Radiation Protection Regional Authority of Public Health Cesta K Nemocnici C.1 Sk-975 56, Banska Bystrica Slovakia Mr. Pavol Chyly Radiation Protection Department Laboratory of Spectrometry Nuclear Power Plant Mochovce 93539, Mochovce Slovakia Mr. Tomas Rusnak Unit of Laboratory and Special Measurements Nuclear Power Plant Bohunice Sk-919 31, Jaslovske Bohunice Slovakia Mr. Velin Balev off-Site Radiation Monitoring Nuclear Power Plant Mochovce Komenskeho 6 Sk-935 41, Mochovce Slovakia 247
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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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[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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Page 197 and 198: [Bq /kg ] 11 9 7 5 3 1 219 250 233
Page 199 and 200: Lab code Rep. Value Rep. Unc. Unc.
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
Page 235 and 236: Prof. Dr. Constantin Papastefanou A
Page 237 and 238: 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
Page 245 and 246: Dr. Andrzej Komosa Department of Ra
Page 247: Ms. Ana-Maria Apostu Dept. of Life
Page 251 and 252: Dr. Catalina Gasco Leonarte Ed. 3a
Page 253 and 254: Dra. Montserrat Llaurado Departamen
Page 255 and 256: 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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