Radiation Protection Issues in the Baltic Region with Emphasis on Co-operative Projects with Estonia, Latvia and Lithuania

Transcription

1 Radiation Protection Issues in the Baltic Region with Emphasis on Co-operative Projects with Estonia, Latvia and Lithuania Proceedings of the Regional IRPA Congress held in Stockholm, Sweden June 12-13,1998 Congress organised by Fachverband fur Strahlenschutz and Nordic Society for Radiation Protection Proceedings edited by Jens Sagaard-Hansen and Anders Damkjaer Ris0 National Laboratory Roskilde, Denmark

2 Contents Preface Asker Aarkrog v Session I - Opening Lecture Radiation Protection Issues in the Baltic Region. J. O. Snihs 3 Session II - Natural Radioactivity Chairman: Anders Damkjaer Radon in the Baltic States. L. Pahapill, M. Dambis, G. Morkunas, and G. Akerblom 11 Control of Natural Radioactivity in the Nordic Countries. L. Mjones 27 The Peculiarities of External Exposure of the Lithuanian Population. A. Mastauskas 35 Session HI - Radiobiology and Radiation Protection in Nuclear Medicine Chairman: Helmut Eckerl Estonian-Finnish Quality Assurance Co-operation in Diagnostic Radiology. P. Holmberg, S. Rannikko, A. Servomaa, T. Parviainen, E. Kuus, V. Jarv, S. Ulp, S. Aid, and S. Nazarenko 43 Radiation Protection Problems in the Vicinity of IgnalinaNPP. T. Nedveckaite, V. Filistovich, A. Mastauskas, and A. Krasauskiene 49 Session IV - Dosimetry and Instrumentation Chairman: Albinas Mastauskas. Comparison of and Cs-137 Body Content in a Small Group of People Returning from the Baltic Region to Finland and in Finns in May T. Rahola and M. Suomela 57

3 Application of A1N Ceramics for Thermoluminescence Dosimetry. L. Trinkler, P. Christensen, N. A. Larsen, B. Berzina, and M. E. Palcevskis 63 The Hygienic Aspects of Individual Dosimetry in Lithuania. R. M. Stasiunatiene, A. Mastauskas, D. Jankauskiene, and J. Zaveckiene 69 TLD-System and Electronic Dosimetry System as Components of the Personal Dosimetry System at Ignalina NPP. O. Miroshnik 75 Dosimetry Devices and radiation Protection Means. V. Pletnev 81 The CLOR Secondary Standard Dosimetry Laboratory for Radiation Protection. H. Dzikiewicz-Sapiecha 87 Session V - Emergency Preparedness Chairman: Steen Hoe Probabilistic Safety Assessment as means of calculating intervention guidelines. B. Lauritzen 95 Search of Radioactive Sources in Estonia T. P. S. Honkamaaand S. I. Ylatalo 101 Radiological Emergency Planning Activities in the Baltic Sea Region. B. A. Persson 107 Consequence Analysis as a Basis for Emergency Planning. E. Naadland Holo, E. Larsen, J. Saltbones, and E. Stokke 113 Atmospheric Admixture Dispersion Modelling Based on Monitoring Data in Ignalina NPP Environment. R. Jasiulionis, A. Gudelis, and J. L. Morkeliunas 119 Session VI - Environmental Monitoring and Radioecology Chairman: Matti Suomela. In-Situ Gamma Ray Spectrometry for Environmental Radioactivity Measurements. I. Winkelmann, C. Brummer, H. Buchroder, and M. Thomas 125

4 Changes in the Gamma Dose Rate Level in Cs-137 and Sr-90 Content in Soils and Pasture Vegetation Due to the Chernobyl Accident. M. Dambis and J. Filipovich 131 Preliminary Balance of Radionuclides in the Water Environment of the Vicinity of the Ignalina NPP. J. Mazeika 137 Sr-90 and Pb-210 Biological Migration in the Lake Druksiai -the Cooling Pool of Ignalina NPP (Lithuania). R. Dusauskiene-Duz 143 Accumulation of Technogenic Radionuclides in Land Ecosystem Plants from the Ignalina NPP Region. R. Dusauskiene-Duz, D. Marciulioniene, and D. Petkeviciute 149 Cs-137, Co-60, and Mn-54 Migration in the Ecosystem of Lake Druksiai under Anthropogenic Conditions. D. Marciulidniene and D. Petkeviciute 155 Accumulation of Technogenic Radionuclides in Forest Test Plants and Soil in Different Regions of Lithuania in D. Marciulioniene, R. Dusauskiene-Duz, and D. Petkeviciute 161 Session VI continued Chairman: Raimo Mustonen. Studies on Peculiarities of Distribution of Radionuclides in a Coastal Zone of the Baltic. D. Butkus, B. Luksiene R. Druteikiene, and M. Lebedyte 169 Possibilities to use Mossbauer Spectroscopy for the Investigations of Variations in Pu-239, 240 Concentrations in the Environment. B. Luksiene, A. Amulevicius, R. Druteikiene, and A. Daugvila 175 Radioactive Contamination of Environment and Food in Poland in W. Muszynski, D. Grabowski, W. Kurowski, B. Rubel, G. Smagala, and J. Swietochowska 181 Forty-One Years of Environmental Monitoring at Studsvik - Part 3. R. Hedwall 187

5 Radionuclides and Dose-Rates in the Estonian Environment E. Realo 193 Session VII - Regulatory Aspects, Education, Training, and Information Chairman: Torkel Bennerstedt IAEA Assistance in Improving Radiation and Waste Safety in the Baltic States. A. Bilbao, M. Gustafsson, and G. A. M. Webb 199 Strengthening Long Term Competence in Radioecology and Radiation Protection in Estonia - Seven Years of Co-Operation. S. E. Palsson 205 Radiation Protection at Ignalina Nuclear Power Plant - A Co-Operation Project between Sweden and Lithuania. S. Hennigor 211 Education and Training in Management of Radioactive Waste in the Baltic Countries. K.Broden 215 Establishment of Regulatory Control in the Field of Radiation Protection in the free Baltic States. E. Kivisakk and J. Lumpus 219 List of participants 223