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

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Dr. Mohammed Merzaa Physics University of Bahrain 32038 Sakhir Bahrain Ms. Maria Helena Tirollo Taddei Laboratory of Pocos De Caldas / Dilab Brazilian National Commission For Nuclear Energy - Cnen Pocos De Caldas Laboratory (Radon Lab) Rodovia Pocos De Caldas Andradas Km.13, Br-37701-970, Pocos De Caldas, Mg Brazil Mr. Reginaldo Ribeiro De Aquino Gerencia De Metrologia Das Radiacoes - Gmr, Laboratorio De Metrologia Das Radiacoes - Lra Instituto De Pesquisas Energeticas E Nucleares Ipen/Cnen/Sp Av. Lineu Prestes 2242 05508-000, Sao Paulo Brazil Mr. Marcelo Francis Maduar Radioecology Laboratory Instituto De Pesquisas Energeticas E Nucleares Ipen/Cnen/Sp Av. Prof. Lineu Prestes 2242- Ci 05508-000, Sao Paulo Brazil Ms. Melo Ana Christina Ferreira Comissao Nacional De Energia Nuclear (Cnen) Instituto De Radioprotecao E Dosimetria (Ird) Departamento De Protecao Radiologica Ambiental Av. Salvador Allende, S/N,Recreio Dos Bandeirantes Rio De Janeiro, 22780-160 Brazil Dr. Brigitte Pecequilo Laboratorio De Radiometria Ambiental Comissao Nacional De Energia Nuclear Av. Prof. Lineu Prestes No. 2242 Cidade Universitaria Br-05508-000, Sao Paulo Brazil Mr. Valery Makarevich Research Department of Radiative Metrology (Rdrm) Belarussian State Institute of Metrology Starovilenski Trakt 93 220053, Minsk Belarus 226
Dr. David Lobb Department of Soil Science 362 Ellis Building University of Manitoba 13 Freedman Cres. Winnipeg, R3t 2n2 Canada Ms. Karen Ross Compliance and Radiation Protection Branch Aecl Research Whiteshell Laboratories 100 Ara Mooradian Way Pinawa Mb, R0e 1l0 Manitoba Canada Ms. Jane Lovely New Brunswick Power, Health Physics Department, Environmental Monitoring Laboratory 420, York Street Fredericton, E3b 3p7 Canada Ms. Roxane Ortmann Analytical Laboratories Saskatchewan Research Council 422 Downey Road Saskatoon, S7n 4n1 Saskatchewan Canada Ms. Nadereh St-Amant Radiation Protection Bureau Health Canada 775 Brookfield Road Ottawa, K1a 1c1 Ontario Canada Capt. Dan King Dockyard Laboratory Atlantic Defence Research and Development Canada Atlantic 2635 Provo Wallis Street Canada Ms. Ximena Videla Campillay Comision Chilena De Energia Nuclear Seccion Technicas Nucleares En Agricultura Avda Nueva Bilbao 12501 Las Condes Santiago Chile 227
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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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Page 177 and 178: Lab code Rep. Value Rep. Unc. Unc.
Page 185 and 186: [Bq/kg] 7.5 6.5 5.5 4.5 3.5 2.5 1.5
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: Dr. Victor Badulin Public Exposure
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 and 248: Ms. Ana-Maria Apostu Dept. of Life
Page 249 and 250: Mr. Peter Jovanovic Department of P
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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