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

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Dr. Mykhailo Buzynnyy Head of Radiation Hygiene Mnitoring Laboratory The Marzeyev Institute of Hygiene and Medical Ecology Academy of Medical Sciences of Ukraine 50 Popudrenko Str. 02094, Kiev Ukraine Dr. Mikhail Bondarkov International Radioecology Laboratory Chornobyl Center For Nuclear Safety, Radioactive Waste and Radioecology For Cabinet of Ministers of Ukraine 77th Gvardiiska Dyviziya Srt, P.O. Box 151 07100, Slavutych, Kiev Ukraine Dr. Genady Laptev Radiation Monitoring Department Ukrainian Hydrometeorological Institute Prospect Nauki, 37 03028, Kiev Ukraine Mr. Anatoliy Ozornov Radiochemical Laboratory State Specialised Scientific and Industry Enterprise - Chernobyl Radioecology Senter (Sssie Ecocenter) Shkilna Str. 6 07270, Chernobyl Ukraine Mr. Vladimir Solovyov Laboratory of Applied Radioecology Scientific Center of Ecological Safety Ltd Brativ Podjio Street 11 P.O.Box 20 65031, Odessa Ukraine Mr. Richard C. Wilson Environmental Science Westlakes Scientific Consulting Ltd The Princess Royal Building Westlakes Science & Technology Park Moor Row Whitehaven, Cumbria Ca243ln United Kingdom Dr. Charlie Stewart Laboratory Services Ukaea D1310 Dounreay Thurso, Caithness, Kw14 7tz Scotland United Kingdom 254
Dr. Paul Smedley Centre For Environment, Fisheries and Aquaculture Science Pakefield Road Lowestoft, Nr33 0ht Suffolk United Kingdom Dr. Andrew Tyler Environmental Radioactivity Laboratory School of Biological and Environmental Sciences Stirling University Stirling, Fk9 4la Scotland United Kingdom Dr. Will Blake School of Geography, Earth and Environmental Sciences, Consolidated Radioisotope Facility University of Plymouth Drake Circus Plymouth United Kingdom Dr. Phillip Edward Warwick Geosciences Advisory Unit National Oceanography Centre European Way Southampton, So14 3zh United Kingdom Mr. Terry Gingell Dstl, Environmental Sciences Department C/O Institute of Naval Medicine Crescent Road Gosport, Po12 2rd United Kingdom Claire Wells Radiochemistry Centre For Ecology & Hydrology Lancaster Environment Centre, Library Avenue Bailrigg United Kingdom Dr. Michael John Chemical and Mettalurgical Service Department A396 Springfields Fuels Ltd Westinghouse Salwick, Preston, Pr4 0xj United Kingdom 255
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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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[Bq /kg ] 11 9 7 5 3 1 219 250 233
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Page 205 and 206: 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 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: Mr. Abdullah Dirican Turkish Atomic
Page 259 and 260: Mr. Kevin T. Claver Environmental A
Page 261 and 262: 259
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