IRPA9

1996 International Congresson Radiation Protection

Ninth International Congress of the

International Radiation Protection Association

April 14-19,1996

Congress Center HofburgVienna, Austria

Proceedings / Volume 2

ISBN 3-9500255-4-5

Organised by theAustrian Association for Radiation Protection

UB/TIB Hannover 89

TABLE OF CONTENTS

I NATURAL RADIATION EXPOSURE

II Radon

P11-1 European research into the measurement of externalenvironmental radiation doses 2-27

L. Botter-Jensen, R. Thompson, I. Thompson (Roskilde, DENMARK)

P11 -2 Tempts to determine radon entry rate and air exchange ratevariable in time from the time course of indoor radon

concentration 2-30

J. Thomas (Prague, CZECH REPUBLIC)

P11 -3 Comparison between large scale radon risk maps and resultsof detailed radon surveys 2-33

M. Neznal, M. Neznal, J. Smarda (Lysa nad Labem, CZECH REPUBLIC)

P11 -4 Use of SSNTD for radon measurement in the Czech Republic 2-34l. Burian (Milin, CZECH REPUBLIC)

P11-5 On the simultaneous indoor measurement of the exhalation

rates of radon gas from open soil and the concentration of

radon progeny in the surrounding air 2-35K. Nishimura, S. Mochizuki, T. Tanji (Yamakoshi-gun, JAPAN)

P11-6 Exhalation of radon and thoron from phosphogypsum used as

building material 2-38H. Vanmarcke (Mol, BELGIUM)

P11-7 An assessment method of dose equivalent due to indoorRn-220 progeny by using Rn-220 concentration measured at a20 cm distance from wall 2-41

T. lida, Q. Guo, K. Okamoto, T. Yamasaki, Y. Ikebe (Nagoya, JAPAN)

P11-8 Compared deposition of radon 222 and radon 220 (thoron)

progeny and nuclear aberrations in the respiratory tract ofrats after exposure under different aerosol conditions 2-44

J.P. Morlier, M. Janot, J.F. Pineau, P. Fritsch, M. Morin, G. Monchaux

(Fontenay aux Roses, FRANCE)

P11-9 Thoron progeny concentrations in living space 2-47

T. Yamasaki, T. lida (Nagoya, JAPAN)

P11-10 Body content of Pb-210: A measure of cumulative exposure to

radon? 2-50

P. Roth, E. Werner, W. Wahl, W. Jacobi (Oberschleissheim, GERMANY)

P11-11 Radiation exposure due to radon in drinking water in

regions with high terrestric activity 2-53

K.H. Lehmann, A. Reichelt, P. Guglhor (Munich, GERMANY)

P11-12 An attempt to evaluate dose equivalent due to the

inhalation of Rn-222 and its progeny in indoor air 2-56

J.S. Jun, H.S. Chai, C.Y. Yi (Taejeon, KOREA)

P11-13 The radon survey and its contribution to the radiation

exposure 2-59

M. Ildiko, N. Muntean (Cluj-Napoca, ROMANIA)

P11-14 Radon and reproductive health of populations living in the

regions of uranium miners on Nord Caucasus 2-62

P.W. Izhewskij, A.M. Ljaginskaja (Moscow, RUSSIAN FEDERATION)

P11-15 Human exposure assessment from radon in water - comparison

of experimental and theoretical data 2-64

J. Hulka, J. Vlacek, E. Bilkova, L. Moucka, J. Thomas (Hradec Kralove, CZECH REPUBLIC)

P11-16 Indoor radon survey in Japan 2-67

K. Fujimoto, S. Kobayashi, M. Uchiyama, M. Doi, Y. Nakamura (Chiba, JAPAN)

P11-17 Radon determination in groundwater under controlled

conditions 2-70

K. Freyer, H.-C. Treutler, J. Dehnert (Leipzig, Dresden, GERMANY)

P11-18 Integrating measurement of radon in dwellings in some

regions from Romania 2-73

C. Cosma, D. Ristoiu, T. Vaida, A. Poffijn, J. Miles (Cluj-Napoca, Oradea, ROMANIA;

Ghent, BELGIUM; Didcot, UNITED KINGDOM)

P11-19 Measurement of Rn-222 and Rn-220 exhalation rates by meansof alpha spectroscopy 2-76

T. Chu (Hsinchu, TAIWAN)

P11-20 Estimation of radon activity level and dose of residentsin Changchun City area 2-79

H.Y. Chen, X.G. Li, Y. Li (Changchun, PEOPLE'S REPUBLIC OF CHINA)

P11-21 Estimation of radon concentration and population dose in

underground construction of China 2-80

H.Y. Chen, Y.H. Jin (Changchun, PEOPLES REPUBLIC OF CHINA)

P11-22 Evaluation of radon doses of the population of Karelia and

Cola peninsula 2-81

F.I. Zuevich, A.V. Lazatev (St. Petersburg, RUSSIAN FEDERATION)

P11-23 Radiation conditions from radon dwellings of various *

purpose 2-84

F.I. Zuevich (St. Petersburg, RUSSIAN FEDERATION)

P11-24 Measurements of Rn-222 concentrations in dwellings in an

area of high natural radioactivity 2-87

G. Yaprak, S. Kinaci (Bornova, TURKEY)

P11-25 Radon concentrations in Taipei Metropolitan Railway Station 2-89

P.S. Weng, C.H. Hsu (Hsinchu, TAIWAN)

P11-26 Building and environmental factors associated with elevated

radon levels in kindergardens in Slovenia 2-92

J. Vaupotic, I. Kobal, H. Nichelson, B.C. Kross (Ljubljana, SLOVENIA)

P11-27 Modelization of the radon emenation from natural sources

the soil 2-95

A. Sabir, H. Marah, D. Klein, L Hlou, A. Chambaudet (Kenitra, MAROCCO)

P11-28 Some influencing parameters ofthe radon and thorondaughters concentrations in dwellings 2-96C. Milu, R. Gheorghe (Bucharest, ROMANIA)

P11 -29 Radon measurements in the cave Viiencia 2-98P. Jovanovic (Ljubljana, SLOVENIA)

P11-30 Radon survey in Kuwait houses 2-101H. Bern, T. Domanski, Y.Y. Bakir, S. Al-Zenki (Qadeseyah, KUWAIT)

P11-31 Indoor radon levels in a public school and some dwellingsin the village of Teia, Catalonia (Spain) 2-104C. Baixeras, L. Font, F. Fernandez, C. Domingo (Bellaterra, SPAIN)

P11-32 A portable apparatus for continuously measuring of Rn-222exhalation from ground 2-1070. Ariyada, T. Tanji, M. Okino, S. Mochizuki (Muroran, JAPAN)

P11-33 Radon exposure of passengers In the Prague Metro 2-110J. Sabol (Prague, CZECH REPUBLIC)

P11-34 Radon-222 concentration in water and the exposure ofthe

public 2-113T. Ren, B. Shang, Q. Yu, H. Guo (Beijing, PEOPLE'S REPUBLIC OF CHINA)

P11-35 Radon measurements in the Shenzhen Region 2-116T. Ren, Z. Liu, Y. Cai, B. Shang, L. Tang (Beijing, PEOPLE'S REPUBLIC OF CHINA)

P11-36 Indoor radon measurements in dwellings of Garhwal Himalaya,Northern India 2-119R.C. Ramola (Tehri Gerhwal, INDIA)

P11-37 Indoor radon concentration and gamma dose in Hungariandwellings 2-1221. Nikl (Budapest, HUNGARY)

P11-38 Seasonal variation of radon gas concentrations in

kindergardens of Serpukhov Moscow Region 2-125S. Sukhych, T. Eremeeva, V. Fominych, G. Krupny, A. Kuznetsov, J. Rastsvetalov(Protvino, RUSSIAN FEDERATION)

P11-39 Comparative measurements of high outdoor radon levels indifferent mine environments in Slovenia 2-127

M.J. Krizman, J.E. Peter, P. Stegnar (Ljubljana, SLOVENIA; Neuherberg, GERMANY)

P11-40 Radiation exposure of the Moldavian population from radonand thoron progeny 2-128

O. lacob, C. Grecea, L. Clain (lasi, ROMANIA)

P11-41 Measurements of RN-220 decay product concentrations in

German dwellings 2-131J. Peter (Oberschleissheim, GERMANY)

P11-42 Studies of Pb-212 storm 2-132E. Yunoki, T. Kataoka, K. Michihiro, H. Sugiyama, M. Shimizu, T. Mori (Okayama, JAPAN)

P11-43 Calibration and quality assurance for the measurement ofRadon 2-135

V. Genrich (Frankfurt, GERMANY)

P11-44 Radon measurements in the environment 2-136

D. Klein, R. Barillon, C. Devillard (Montbeliard, FRANCE)

P11-45 Ventilation model for elevated radon decay product levels

indoors 2-137

R. Rolle, H. Lettner, W. Hofmann (Salzburg, AUSTRIA)

P11-46 Stochastic model of Rn-daughter depositionclearance in human bronchial airways 2-138W. Hofmann, L. Koblinger (Salzburg, AUSTRIA; Budapest, HUNGARY)

P11-47 The national standard for Rn-222 activity measurements

developed at ENEA in Italy 2-141

P. De Felice, G. Sciocchetti, P. Baldassini, E. Soldano, G. Cotellessa (Rome, ITALY)

P11-48 Time-integrated measurement of potential alpha energy (PAE)due to short lived decay products (SLDP) of radon 220 and

222 in the environment 2-144

S. Bernhard, C. Gibaud, J.F. Pineau, F. Sarradin, Y. Vauzelle (Bessines-sur-Gartempe, FRANCE)

P11-49 A method for assessment of environmental radon daughter

exposure using active radon daughter monitors 2-147

J. Hondros (Roxby Downs, AUSTRALIA)

P11-50 Simultaneous and automatic determination of Rn-222 daughtersand Pb-212 concentrations in the atmosphere using two

scintillation counters 2-148

T. Kataoka, E. Yunoki, E. Michihiro, H. Sugiyama, M. Shimizu, T. Mori, O. Tsukamoto,K. Sahashi (Okayama, JAPAN)

P11-51 Behavior of radon and its progeny at working place 2-151

S. Tokonami, M. Matsumoto, M. Furukawa, K. Fujimoto, K. Fujitaka, R. Kurosawa (Chiba, JAPAN)

P11 -52 Detection efficiency of a radon detector (LR115, cellulose

nitrate) 2-154

H. Marah, M. Fromm, R. Barillon, A. Chambaudet, A. Sabir (Kenitra, MAROCCO)

P11-53 Measurement of the potential alpha energy concentration inair by separate registration of the radon decay productPo-214 using nuclear track etched detectors 2-157

B. Dorschel, B. Burgkhardt, T. Kubsch, A. Kupschus, E. Piesch, J. Reinhard

(Dresden, GERMANY)

P11-54 Recent progress in sampling and measurement of radon and

thoron decay products 2-160

M. Pohl, H. Von Philipsborn (Regensburg, GERMANY)

P11-55 Equilibrium factor of radon in a house and influencingfactors 2-163

H. Kojima (Noda, Chiba, JAPAN)

P11-56 Application of passive type radon detectors to find fissuresin banks caused by the southern Hyogo prefectual earthquakein Japan 2-164

J. Saegusa, K. Yamasaki, T. Tsujimoto, H. Morishima, M. Shimo, A. Murakami,T. Hasegawa (Osaka, JAPAN)

P11-57 Diffusion of radon daughters in laminar tube flow 2-167

J. Malet, N. Montassier, D. Boulaud, A. Renoux (Gif-sur-Yvette, FRANCE)

-58 Production and properties of Camaubawax aerosols forradon reference chambers 2-170

A. Paul, U. Keyser (Braunschweig, GERMANY)

P11 -59 A laboratory for studying Radon mitigation methods in high-rise office buildings in Hong Kong 2-171J.K.C. Leung, L.C. Hung, M.Y.W. Tso (Hong Kong, HONGKONG)

P11 -60 The apparatus for continuously measuring size distributionof radon progeny 2-174

T. Ichiji, T, Hattori, K. Ishida, M. Shimo (Tokyo, JAPAN)

P11-62 Characteristics o fthe radon decay products found in theatmosphere above a radium-bearing waste pile 2-175

S. Raviart, P. Richon, D. Haristoy, M.C. Robe, Y. Belot (Fontenay-aux-Roses, FRANCE)

P11-63 Variations of Rn-222 concentration in the Bratislava air 2-176

K. Holy, R. Bohm, A. Polaskova, O. Hola (Bratislava, SLOVAKIA)

12 Other Terrestrial Sources

P12-1 Populational exposure to Pb-210 and Po-210 in two cities

with various industrial activities in the south-west of

Romania 2-179

M. Nicolea, D. Popescu, R. Pomoje, T. Toro, F. Fat, M. Gavrilciuc, S. Seculici,M Calugaru (Timisoara, ROMANIA)

P12-2 Effects ofweather on the ambient gamma radiation levels

in Hong Kong 2-181

M.C. Wong, H.Y. Mok, W.M. Leung, K.K. Yeung, H.K. Lam (Hong Kong, HONGKONG)

P12-3 Characteristics of radiation field In living surroundingsand in natural environments 2-184

Y. Hiruta, T. Tanji, M. Okino, T. Nagato, S. Mochizuki (Muroran, JAPAN)

P12-4 U-238 series isotopes at different soil depths and

disequilibrium over various geology and soil classifications

along transects in selected parts of Ireland 2-187

A. Hayes, I. McAulay (Dublin, IRELAND)

P12-5 Indoor exposure to gamma radiation in Italy 2-190

F. Bochicchio, G.C. Venuti, F. Monteventi, C. Nuccetelli, S. Risica, S. Piermattei,

L. Tommasino, G. Torri (Rome, ITALY)

P12-6 The additional exposure due to the use of uncommon building

materials in Romania 2-193

R. Gheorghe, C. Milu, G. Modoran, E. Gheorghe, E. Dobrescu (Bucharest, ROMANIA)

P12-7 Radiation exposure potential from coal-fired power plantsin Romania 2-196

E. Botezatu, C. Grecea, G. Botezatu, O. Capitanu, G. Sandor, T. Peic (lasi, ROMANIA)

P12-8 The presence of Ra-226 in thermal springs ofCroatia and

health risk from mineral water consumption 2-199

G. Marovic, J. Senear (Zagreb, CROATIA)

P12-9 The natural radioactivity of some foodstuff

from Moldova 2-202

E. Botezatu, G. Botezatu, L. Clain, 0. Capitanu (lasi, ROMANIA)

P12-10 Natural radionuclide concentrations of cements in Izmir and

dose assessments 2-205

A. Tanbay, G. Yener (Izmir, TURKEY)

P12-11 Determination of concentrations of selected radionuclides

in surface soil in the state of Kuwait 2-207

F. Bou Rabee, H. Bern (Safat, KUWAIT)

P12-12 Radiation exposure of population due to careless handlingwith radioactive raw materials in the Urals 2-210

I.V. Yarmoshenko, A.A. Ekidin, A.V. Vozhakov (Ekaterinburg, RUSSIAN FEDERATION)

P12-13 Dose measurement and its problems on the High BackgroundRadiation Area (HBRA) in China 2-213H. Morishima, T. Koga, K. Tatsumi, S. Nakai, T. Sugahara, Y. Yuan, X. Qiu, L. Wei(Higashi-Osaka, JAPAN; Beijing, PEOPLE'S REPUBLIC OF CHINA)

P12-14 A territory-wide survey of indoor gamma dose rate and its

relation to indoor radon level in Hong Kong 2-216M.Y.W. Tso, J.K.C. Leung, C.W. Ho (Hong Kong, HONGKONG)

P12-15 Radioactivity in Hokutolite from Peito Hot Spring, Taiwan 2-219N. Momoshima, J. Nita, Y. Maeda, S. Sugihara, I. Shinno, N. Matsuoka, C.W. Huang(Fukuoka, JAPAN)

P12-16 Study on environmental radiation level and dose of residents 2-222H.Y. Chen (Changchun, PEOPLE'S REPUBLIC OF CHINA)

P12-17 Radiation exposure of the population in the vicinityof coal-fired power plants 2-223

R. Kljajic, Z. Masic, RM Mitrovic, Z. Zunic, M. Kovacevic (Novi Sad, YUGOSLAVIA)

P12-18 New data on natural radioactivity of some Romanian freshwater sources 2-226

E. Botezatu, L. Clain (lasi, ROMANIA)

P12-19 Radioactive polluting potential of coal-fired power plantsfrom Romania 2-229

G.N. Sandor, T. Peic, R. Peic (Petru Groza, ROMANIA)

P12-20 Working levels in the coal fired power plant in Croatia 2-232J. Kovac (Zagreb, CROATIA)

P12-21 A fast and very sensitive LSC procedure to determine Pb-210

in environmental samples 2-235R. Kulzer, R. Schupfner, A. Muller-Broich (Regensburg, GERMANY)

P12-22 The evolution of earth's background radiation level over

geologic time 2-238A. Karam, S.A. Leslie (Columbus, OH, UNITED STATES OF AMERICA)

13 Cosmic Radiation (incl. in airplanes and Be-7)

P13-1 Measurements of the cosmic radiation field in a jet aircraftat commercial aviation altitudes 2-241

P. Goldhagen, A. Cavallo, W. Van Steveninck, M. Reginatto, P. Shebell, F. Hajnal,T. Cousins, T.A. Jones, B.E. Hoffarth, J.R. Brisson, P.D. Tume, B.J. Lewis, L.G.I. Bennet

(New York, NY, UNITED STATES OF AMERICA; Ottawa, CANADA)

P13-2 Cosmic radiation doses in commercial air travel 2-242

C. Chung, C.Y. Chen (Hsinchu, TAIWAN)

P13-3 Air crew radiation exposure measuring system (ACREM) 2-244

P. Beck, K. Duftschmid, A. GroUkopf, K. Hornung, Ch. Schmitzer,Ch. Strachotinsky, N. Winker (Seibersdorf, AUSTRIA)

P13-4 Determination ofthe average LETand the equivalent dose

in aircrafts using the HTR-method 2-247

M. Noll, N. Vana, W. Schoner, M. Fugger, H. Brandl (Vienna, AUSTRIA)

P13-5 Contribution of secondary high LET particles to the energytransfer from high energy protons 2-250

V.E. Dudkin, F. Spumy (Prague, CZECH REPUBLIC)

P13-6 Measurements of absorbed dose and average LET in the space

station MIR and on space shuttles2-253

N. Vana, W. Schoner, M. Fugger, Y. Akatov, V. Shurshakov (Vienna, AUSTRIA)

P13-7 Aircrew radiation exposure assessment for Yugoslav airlines 2-256

D. Antic, Z. Patrovic (Belgrade, YUGOSLAVIA)

P13-8 Commercial airline crews -a new group of occupationalradiation workers 2-259

L.D. Brown (Regina, CANADA)

P13-9 Measurements of cosmic-ray doses In commercial airline

cabins 2-262

M. Okano, K. Fujitaka, K. Izumo (Chiba, JAPAN)

P13-10 Investigation of cosmic ray intensity at sea level between

Tokyo bay and Indian Ocean 2-265

M. Furukawa, K. Fujitaka, M. Okano (Chiba, JAPAN)

P13-11 Measurement of cosmic-ray neutron doses in Taiwan 2-268

S.H. Jiang, J.J. Yeh, J.H. Liang, J.R. Chen, J.P. Wang, R.J. Hsu (Hsinchu, TAIWAN)

P13-12 Natural neutron equivalent dose in Middle-Europe Region2-271

D. Nikodemova, M. Florek, J. Masarik, I. Szarka (Bratislava, SLOVAKIA)

P13-13 Be-7 concentrations in garden and wild vegetables in Japan 2-274

N. Ito, I. Kunugiyam, Y. Furukawa (Towada-shi, JAPAN)

P13-14 Long-term variation of atmospheric beryllium-7 in Taiwan 2-277

Y.M. Lin, C.C. Liu, C.J. Chen (Kaohsiung, TAIWAN)

P13-15 A new method for monitoring of mixed radiation in naturalenvironment 2-280

S. Pszona (Otwock, POLAND)

P13-16 Cross sections for production of Be-7, Na-22, and Na-24 inthin targets of C, Mg, Al, Si, and Si02 by bombardement with

monoenergetic protons at 30 to 67,5 MeV 2-281CD. Gans (San Ramon, CA, UNITED STATES OF AMERICA)

2 BIOLOGICAL EFFECTS OF IONIZING RADIATION

21 Epidemiology

P21-1 Lung cancer risk from radon: modifiers of exposure - effect

relationship 2-284L. Tomasek (Prague, CZECH REPUBLIC)

P21-2 The influence of radiation and non-radiation factors for

lung cancer risk in workers of atomic plant Mayak 2-287Z.B.Tokarskaya, N.D.Okladnikova,Z.D. Belyaeva, E.G. Drazhko

(Ozyorsk, RUSSIAN FEDERATION)

P21-3 Constitution of a group of Czech and French uranium miners

in order to estimate fung cancer risk linked to low chronic

exposure to radon decay products 2-290M. Tirmarche, L. Tomasek (Fontenay aux Roses, FRANCE)

P21-4 Indoor exposure to radon - cohort study 2-293E. Kunz, L. Tomasek, V. Placek, I. Burian, A. Heribanova, J. Matzner

(Prague, CZECH REPUBLIC)

P21-5 Histological types of lung cancer in uranium miners 2-296T. Mailer, L. Tomasek (Prague, CZECH REPUBLIC)

P21-6 Deceases by respiratory cancer among uranium miners 2-299D. Dinca, G.L. Szabo, P. lonasu, V. Lupea (Petru Groza, ROMANIA)

P21-7 Dose and risk assessment from radon in the Ural 2-302

M.V. Zhukovsky, l.V. Yarmoshenko (Ekaterinburg, RUSSIAN FEDERATION)

P21 -8 Estimation of influence of radioactive factor on cancer

risk among industrial city dwellers 2-305

E.V. Polzik, S.V. Kuzmin, B.A. Katsnelson, V.S. Kazantsev

(Ekaterinburg, RUSSIAN FEDERATION)

P21-9 Documentation of ocupational accidents and deseases by

ionising radiation in Germany 2-308

G. Seitz, F. Fehringer (Koln, GERMANY)

P21-10 Epidemiological studies using the National Dose Registry ofCanada 2-311

J.P. Ashmore (Ottawa, CANADA)

P21-11 German contribution to the international epidemiological

study to the risk of workers in the nuclear industry 2-314

M. Blettner, G. Seitz, F. Fehringer (Koln, GERMANY)

P21-12 Reconstructing exposures to low doses of ionising radiationofthe French Atomic Energy (CEA) workers 2-317

M.A. Telle, D. Bergot, D. Bard (Fontenay aux Roses, FRANCE)

P21-13 The thyroid: medical surveillance of exposed workers 2-320

M. Virgili, E. Strambi (Frosinone, Rome, ITALY)

P21-14 Risk evaluation in consequence ofabnormal situation with

iodine-131 2-323

J.C.G. Gaburo, G.M.A.A Sordi, M.P. Sanches, A. Sahyun (Sao Paulo, BRASILIA)

P21-15 The importance of radiation and non-radiation-factors forthe stomach cancer incidence in workers ofthe atomic plant

Mayak 2-324

G.V. Zhuntova, Z.B. Tokarskaya, N.D. Okladnikova, Z.D. Belyaeva,E.G. Drozhko (Ozyorsk, RUSSIAN FEDERATION)

P21-16 Evaluation of health impacts in human chronic low dose, low

dose rate gamma-irradiation exposure 2-327

W. Chang, D. Wang, J.C. Wang, B.F Hwang, C.C. Chan, J.S. Hwang,J.D. Wang (Taipei, TAIWAN)

P21 -17 The estimate reproductive health status of populations

exposured in low doses in result of Chernobyl disaster 2-328

A.M. Ljaginskaja, P.W. Izhewskij (Moscow, RUSSIAN FEDERATION)

P21-18 The Chernobyl radiation risks: Theoretical estimation and

actual data (1986-1995) 2-330

V. Ivanov, A. Tsyb (Obninsk, RUSSIAN FEDERATION)

P21-19 Incidence of congenital abnormalities among the newborns

from Bucharest after the nuclear accident from Chernobyl 2-331

I. Marinescu, A. Popescu, R. Gheorghe (Bucharest, ROMANIA)

P21-20 Childhood leukemia in Romania and the Chernobyl accident 2-334

R. Tulbure, C. May, E. Barbulescu (Bucharest, ROMANIA)

P21-21 Condition of reproductive health as criterion of

deterministic effects of low doses of radiation 2-337

L.A. Buldakov, I.J. Vasilenko, S.I. Demin, A.M. Liaginskaya, M.M. Saurov

(Moscow, RUSSIAN FEDERATION)

P21-22 Possible genetic consequences found in the residents of

Belarus after the Chernobyl nuclear accident 2-338

G. Lazjuk (Minsk, BELARUS)

P21-23 Use of a radiological accident typology in the preparationof epidemiological plans 2-339

P. Verger, H. Mansoux, A. Thomassin (Fontenay aux Roses, FRANCE)

P21 -24 The impact of the human genome project on risk assessment 2-340

K. Doerffer, P. Unrau (Chalk River, CANADA)

P21-25 The genetic consequens of external exposure2-343

P.W. Izhewskij (Moscow, RUSSIAN FEDERATION)

P21-26 An estimate of the health status of the offspring of

individuals subject to occupational external gamma-exposure 2-345

N. Petrushkina, O.B. Musatkova (Ozyorsk, RUSSIAN FEDERATION)

P21 -27 Use of COSYMA in the design of epidemiological

studies in case of radiological accidents 2-348H. Mansoux, P. Verger, A. Thomassin (Fontenay aux Roses, FRANCE)

P21-28 Epidemiology evaluation of the radiation risk amongresidents of the Techa river area 2-351

M. Kossenko (Chelyabinsk, RUSSIAN FEDERATION)

P21-29 Epidemiological data on the basis of the registry of workers

of Mayak Production Association 2-352

N. Shilnikova, N.A. Koshurnikova, P.V. Okatenko, S.A. Romanov, E.K. Vasilenko

(Ozersk, RUSSIAN FEDERATION)

P21-30 Some issues at the epidemiological health state research ofchildren living in Chelyabinsk-65 and Chelyabinsk-70 2-353

E. Kouropatenko, N. Koshurnikova (Chelyabinsk, RUSSIAN FEDERATION)

22 Risk Assessment

P22-1 Childhood leukaemia and low-level radiation - are we

underestimating the risk? 2-354

R. Wakeford (Warrington, UNITED KINGDOM)

P22-2 Nuclear installations and childhood leukaemia - testingthe hypothesis, exploring the implications - a review 2-357

A.J.M. Slovak (Warrington, UNITED KINGDOM)

P22-3 Are there risks from exposure to low level radiation? 2-360

D.J. Higson (Paddington, AUSTRALIA)

P22-4 Postchernobyl dose and risk assessments in Ukraine 2-363

I.A. Likhtariov, L.N. Kovgan, V.S. Repin, B.G. Sobolev (Kiev, UKRAINE)

P22-5 Does the exposure from the Chernobyl accident associate

with cancer deaths in Greece? 2-364

C. Papastefanou (Thessaloniki, GREECE)

P22-6 Estimation of carcinogenic risks from neutrons in man 2-367

P. Grimwood, M.W. Charles (Berkeley, UNITED KINGDOM)

P22-7 The theory of reliability as a basis for risk estimates

of the health effects associated with radon and its progeny 2-368

V. Koltover (Moscow, RUSSIAN FEDERATION)

P22-8 An experimental model for risk assessment of combined

exposure to radon and other airborne pollutants. 2-369

G. Monchaux, J.P. Morlier, M. Morin, R. Maximilien (Fontenay aux Roses, FRANCE)

P22-9 A molecularbiological model for the dose-effect relation

fitting different epidemiological data 2-372

CM. Fleck, M. Kottbauer, H. Schollnberger (Vienna, AUSTRIA)

P22-10 The explanation of B.L. Cohen's Radon data and the low-LETARIP-data with the Random Coincidence Model 2-375

H. Schollnberger, CM. Fleck, M. Kottbauer, B.L. Cohen (Vienna, AUSTRIA)

P22-11 Oh Wunderl-the inverse dose-rate effect is quelled by theeffectiv threshold 2-378

O.G. Raabe (Davis, CA, UNITED STATES OF AMERICA)

P22-12 The mathematical model for risk assessement 2-381I.B. Tokin, V.V. Kornikov, N.V. Khovanov (St.Petersburg, RUSSIAN FEDERATION)

P22-13 A mathematical formulation of radiation risk 2-382K. Katoh (Ami Ibaraki, JAPAN)

P22-14 Use of risk projection models for the comparison ofmortality from radiation-induced breast cancer in variouspopulations 2-385D. Hubert, T. Schneider (Paris, FRANCE)

P22-15 Monte Carlo simulation of Z > 2 ion track distribution inbone tissue 2-388

A. Taymaz, A. Karaman, I. Kanat, G. Breiki (Istanbul, TURKEY)

P22-16 Biologiocal effects of the combined impact of low radiationdoses & chemical agents 2-390I.V. Rolevich (Minsk, BELARUS)

P22-17 The dose rate as a modifier of biological effects inconditions of the combined action of radiation-chemical

factors 2-391

S. Sushko, T. Kuzmina, A. Malenchenko (Minsk, BELARUS)

P22-18 Assessment of age-specific radiation risks to patients withnon-uniform dose distribution 2-394

T. Komppa, A. Servomaa (Helsinki, FINLAND)

P22-19 In-utero exposure to plutonium: distribution andcarcinogenesis studies 2-397

P.G. Mountford-Lister, B.E. Lambert (London, UNITED KINGDOM)

3 DOSIMETRY AND INSTRUMENTATION

31 Internal

P31-1 The application of Monte Carlo and magnetic resonance image

phantoms in establishing calibration factors for in vivo

measurement systems 2-398

D.P. Hickman, J. Clark, D.A. Kruchten, M. Firpo (Livermore.CA, UNITED STATES OF AMERICA)

P31-2 Investigations on frequency distribution ofwhole-bodyretention parameters of caesium in humans 2-399

A. Andrasi (Budapest, HUNGARY)

P31-3 European intercomparison of in-vivo monitoring systems 2-402K. Konig, A. Schmitt-Hannig, M. Thieme (Oberschleissheim, GERMANY)

P31-4 The internal dosimetry intercomparison program of the

U.S. department of energy 2-405R.M. Loesch, T.E. Hui, J.C. McDonald (Germantown, MD, UNITED STATES OF AMERICA)

P31-5 Direct internal dosimetry - a new way for routine

incorporation monitoring of gamma-emitting radionuclides 2-406H. Doerfel (Karlsruhe, GERMANY)

P31-6 The Canadian National Calibration Reference Centre for

in-vivo monitoring and the United States Department of

Energy's international in-vivo intercomparison 2-409G. Kramer, R.M. Loesch, P.C. Olsen (Ottawa, CANADA)

P31-7 The new whole-body counter at the NRIRR, Budapest 2-412

A. Kerekes (Budapest, HUNGARY)

P31-8 Radon influence in the estimation of background of

whole-body counting 2-415N. Sugiura, T. Kosako, H. Eguchi (Tokyo, JAPAN)

P31-9 Treatment of the X and gamma rays lung monitoring spectraobtained by using HP-Ge detectors in cases of exposures touranium 2-418

P. Berard, O. Pourret, J.P. Aussel, E. Rongier (Pierrelatte, FRANCE)

P31-10 The gamma camera as an emergency whole-body counter for

contaminated persons 2-421

E. Wallstrom, M. Alpsten, S. Mattsson (GOteborg, SWEDEN)

P31-11 A method to localize small activities in the

human body by a whole-body counter 2-424G. Greifeneder, H. Aiginger, F. Steger, E. Untried, L. Riedlmayer, H. Havlik,H. Bergmann (Vienna, AUSTRIA)

P31 -12 "Windows" code for the interpretation of the radioactive

bioassay measurements based on U.S. Nuclear RegulatoryComission data and the initial intake/dose assessments usingU.S.internal dosimetry codes on Europ. intercomparision data 2-427N.-M. Mocanu, D.P. Hickman, V. Voicu, A. Enache, J.S. Johnson

(Bucharest, ROMANIA; Livermore, UNITED STATES OF AMERICA)

P31-13 CPHR-whole body counter unit: calibration results 2-428R. Cruz Suarez, G. L6pez Bejerano, C Nogueira Oliveira, P. Bastos Becker (Habana, CUBA)

P31-14 A PBPK model for carbon for describing metabolim in humansfor use in internal dosimetry 2-429

J. Johnson, D.W. Whillans (Richland, UNITED STATES OF AMERICA; Whitby, CANADA)

P31-15 Restrictions for application of effective dose in radiation

safety 2-430V.A. Kutkov (Moscow, RUSSIAN FEDERATION)

P31-16 Stochastical approach to the estimation of radionuclide

body burdens 2-433B.S. Prister, LI. Shpinar, I.I. Yaskovets, V.A. Girij (Kiev, UKRAINE)

P31-17 Observation of some anomalies in the ICRP metabolic model of

uranium 2-436

H.S. Dang, V.R. Pullat (Bombay, INDIA)

P31-18 Implementation of the ICRP 66 respiratory tract model:

example of occupational exposure to uranium oxides formed ina new laser enrichment process 2-439

E. Ansoborlo, M.H. Henge-Napoli, N. Stradling, S. Hodgson, A. Hodgson, A. Birchall

(Pierrelatte, FRANCE)

P31-19 Impact of ICRP publication 68 2-442M.W. Carter (Heathcote, AUSTRALIA)

P31-20 In vitro solubility of Chernobyl nuclear fuel aerosol withrespectto collective behavior of its radionuclides 2-445V.A. Kutkov, O.I. Komaritskaya (Moscow, RUSSIAN FEDERATION)

P31-21 Reconstruction of the size of nuclear fuel particleaerosol by the investigation of a radionuclide behaviorin body of the Chernobyl accident witnesses 2-448V.A. Kutkov (Moscow, RUSSIAN FEDERATION)

P31 -22 Biological behaviour of Np-237 after inhaltion of Np02 inthe rat: preliminary results 2-451C. Lizon, P. Massiot, G. Rateau, H. Le Naour, F. Paquet, J.L. Poncy, P. Fritsch(Bruyeres le Chatel, FRANCE)

P31-23 The chemical form of Neptunium in the rat liver cells 2-454F. Paquet, B. Ramounet, H. Metivier, D.M. Taylor (Pierrelatte, FRANCE)

P31-24 The measurement of Am-241 in the body with a double lowenergy germanium detector system 2-457J. Genicot, J.P. Cuiot, F. Hardeman, J.P. Alzetta, H. Vanmarcke (Mol, BELGIUM)

P31-25 Chelating agent, DTPA, can not remove effectively inhaled-plutonium oxide in rats 2-460S. Fukuda, H. lida, Y. Yamada, A. Koizumi, H. Sato, N. Ishigure, T. Nakano,H. Enomoto (Chiba, JAPAN)

P31-26 Effects of new chelating agent, CBMIDA and its analogues, onremoval of plutonium in rats 2-463S. Fukuda, H. lida, Y. Xie, W. Chen (Chiba, JAPAN)

P31-27 Microdosimetry of hot particles in lung interstitium 2-465V.A. Kutkov (Moscow, RUSSIAN FEDERATION)

P31-28 PuMA - an improved computer code for assessing plutoniumexposure 2-466

A.E. Riddell (Moor Row, UNITED KINGDOM)

P31-29 Biokinetic modelling of skeletal labels from Pu-239 2-467E. Polig (Karlsruhe, GERMANY)

P31-30 Does initial lung burden affect the alveolar lung clearance

of inhaled 239Pu02? 2-470N. Ishigure, T. Nakano, H. Enomoto, H. Sato, J. Inaba (Chiba, JAPAN)

P31-31 Cs-137 transfer from mother to embryos in the first yearsafter the Chernobyl accident 2-473M. Toader, R.A. Vasilache, M.L. Toader, M.J. Vasilache (Bucharest, ROMANIA)

P31-32 Effective doses committed in Bucharest area due to Cs-137

and Sr-90 intake - 9 years after the Chernobyl accident 2-476M. Toader, R.A. Vasilache, M.J. Vasilache, M.L. Toader (Bucharest, ROMANIA)

P31-33 Cs-137 and Sr-90 dietary intake and urinary excretion for

children after the Chernobyl accident 2-479M. Toader, R.A. Vasilache, M.L. Toader, M.J. Vasilache (Bucharest, ROMANIA)

P31-34 Assessments of internal doses by ingestion of radioactive

foodstuffs in Bangladesh 2-480

S.A. Mollah (Dhaka, BANGLADESH)

P31-35 Evaluation of actual level of Sr-90 and Cs-137 in urine as

indicator for internal contamination of human body in

the case of nuclear accident 2-483

L. Albulescu (Bucharest, ROMANIA)

P31-36 Pooling techniques for bioassay screening 2-486L.C. Sun, J.W. Baum, E. Kaplan, A.R. Moorthy (Upton, NY, UNITED STATES OF AMERICA)

P31-37 Assessment of thorium excretion in urine by means of ICP-MS 2-489E. Werner, P. Roth, I. Wendler, P. Schramel (Oberschleissheim, GERMANY)

P31-38 Investigations of secondary ion mass spectrometry in

radiation protection dosimetry 2-492

A. Amaral, C Cossonnet, F. Escaig, D. Franck, P. Galle, P. Pihet

(Fontenay aux Roses, FRANCE)

P31-39 Design and performance characteristics of a thyroid counter

for radioiodine monitoring 2-495

M, Sohrabl, N. Alirezazadeh, M. Aliabadi (Teheran, IRAN)

P31-40 Development of thyroid monitoring system for radioiodine inthyroid gland 2-498

H. Hangai, S. Mizushita (Naka-gun, Ibaraki-ken, JAPAN)

P31-41 Effective dose from intake of some radiologically

significant radionuclides in Indian population 2-501S.C. Jain, M.M. Gupta, A.R. Reddy, A. Nagaratnam (Delhi, INDIA)

P31-42 IAEA-RCA coordinated programme: compilation of anatomical,

physiological and metabolic characteristics for a referenceAsian man 2-504

H. Kawamura, G. Tanaka, F. Miah, M.A. Rab Molla, J. Wang, H.S. Dang, C. Sunta,C. Soegiarto, T. Koyanagi, Y.J. Kim, M.A. Atta, E.S. Natera, M.I. Nguyen, R.V. Griffith(Hitachinaka, JAPAN, BANGLADESH, PEOPLE'S REPUBLIC OF CHINA, INDIA, INDONESIA,

KOREA)

P31-43 Tritium level in blood as a measure to determine the dose

due to organically bound tritium 2-507

M. Saito (Osaka, JAPAN)

P31-44 Electron probe x-ray microanalysis of inhaled (U02, Pu02)mixed oxydes in alveolar macrophages observed in toto 2-508

P. Massiot, P. Fritsch, H. Le Naour, G. Rateau, C. Lizon, I. L'Huillier

(Bruyeres le Chatel, FRANCE)

P31-45 The Auger electron effect in radiation dosimetry - a review. 2-511

L. Persson (Vienna, AUSTRIA)

P31-46 Simplified excretion functions for recent recyclingbiokinetic models 2-514

A. Khursheed (Oxfordshire, UNITED KINGDOM)

P31-47 Methodologic aspects for selecting molecules appropriate to

decorporation treatment 2-517

C. Montagne-Marcellin, M.H. Henge-Napoli, E. Ansoborlo (Pierrelatte, FRANCE)

P31-48 Interpreting faecal analysis results for monitoring exposure

to uranium 2-520

P. Berard, M.L. Faure, B. Auriol, M. Estrabaud, C. Mazeyrat, E. Rongier (Pierrelatte, FRANCE)

P31 -49 Optimization of measuring geometry of the Seibersdorf

whole-body counter 2-523

H. Jany, F. Steger, H. Aiginger, E. Lovranich, L. Riedlmayer (Seibersdorf, AUSTRIA)

4 RADIATION PROTECTION IN THE ENVIRONMENT

41 Measurements

P41-1 Assay variations of environmental samples caused bydifferent constructions ofstandards 2-526

G. Gilmore, A. Khan, M. Gensini (Burbank, CA, UNITED STATES OF AMERICA)

P41-2 Neutron measurements by in-situ gamma-rayspectrometry using

Cadmium converters2-527

M. Korun, A. Likar, R. Martincic, B. Pucelj (Ljubljana, SLOVENIA)

P41-3 On the distinction of small extra doses from the natural

background; Design and testing of a sensitive TL-dosemeter 2-530

D. Samsom, A.J.J. Bos (Delft, THE NETHERLANDS)

P41 -4 Plastic scintillator water monitor response for P-32 2-533

K. Nishizawa, Y. Ogata, H. Kojima, Y. Goto, T. Ohshima (Nagoya, JAPAN)

P41-5 Separation of the industrial and the natural components of

the ambient background by a statistical method 2-536

L. Purghel, N. Valcov (Bucharest, ROMANIA)

P41-6 High sensitivity dosimetrical system for environmental,

natural radioactivity survey2-539

A. Stochioiu, C. Turcus, C. Craciun, D. Pop (Bucharest, ROMANIA)

P41-7 Beta time-spectrometry with multichannel scaling a portable

low level monitorfor natural and artificial radionuclides

in air, water and soils solids2-541

H. Von Philipsborn, Ch. Hoffmann (Regensburg, Taufkirchen, GERMANY)

P41-8 An environmental dosimetry system utilizing hyper¬

sensitive material and hot air heating 2-544

K.J. Velbeck, R.A. Tawil, J.E. Rotunda, M. Moscovitch (Solon, OH,

UNITED STATES OF AMERICA)

P41-9 The determination and optimization of multiple measurements

for activity calculations2-545

B. Scott (Los Alamos, UNITED STATES OF AMERICA)

P41-10 Liquid scintillation cocktails comparison for tritium

contamination measurements 2-548

P. Belloni, L. Bertalot, A. lanni, F. Lucci, S. Sandri, R. Vasselli (Frascati, ITALY)

P41-11 A simple calibration method for thermoluminescencedetectors

used in environmental measurements 2-551

LP. Pashchenko (St. Petersburg, RUSSIAN FEDERATION)

P41-12 Application of real time spectrum measurement to radiationmonitors 2-554

K. Matsuno, M. Watana, T. Sakamaki (Tokyo, JAPAN)

P41-13 Measurement of the average path of gamma-rays in the sample 2-557M. Korun, A. Likar, R. Martincic (Ljubljana, SLOVENIA)

P41-14 Development of radioactivity investigations in theenvironment using portable devices 2-560

D. Klein, P.M. Badot, A. Chambaudet (Montbeliard, FRANCE)

P41-15 The BGO alpha-beta-gamma liquid scintillation spectometer 2-561Y. Kalish (Petah Tiqva, ISRAEL)

P41-16 New three-count technique for short-lived radon decayproducts in air 2-564

T. Deyuan, L. Zhizhao (Beijing, PEOPLE'S REPUBLIC OF CHINA)

P41-17 Comparison of laboratory and in situ evaluation of

environmental TL dosimeters 2-567

S. Deme, M. Osvay, I. Apathy, I. Feher (Budapest, HUNGARY)

P41-18 Neutron spectrometry for protection dosimetry at verylow levels 2-570

A.G. Bardell, D.J. Thomas (Middlesex, UNITED KINGDOM)

P41-19 Background radiation spectrum and its influence on low level

activity measurements in the environmental samples 2-573

D. Popovic, D. Todorovic, G. Duric, A. Radoicic (Belgrade, YUGOSLAVIA)

P41-20 International intercomparisons for radioactivitymeasurements of environmental samples during past decade 2-576Z. Huang, H. Ten, G. Liu, H, Song, L. Sha, Z. Wang (Taiyuan, Shanxi,PEOPLE'S REPUBLIC OF CHINA)

P41-21 A new alpha spectrometry for infinitely thick sources usingSi detectors 2-579

F. Shiraishi, Y. Takami, T. Hashimoto, CH. Mesquita, M.M. Hamada, M.H.O. Sampa(Yokosuka, Kanagawa, JAPAN)

P41-22 An improved method of in-situ measurement of Cs-137

concentration in soil ten years after Chernobyl 2-582

M. Fulop, R. Pavol (, SLOVAKIA)

P41-23 Determination by in situ gamma spectrometry of outdoor andindoor dose rates in populated areas of Greece due tonatural and artificial sources of radiation 2-585

A. Clouvas, M. Antonopoulos-Domis, S. Xanthos (Thessaloniki, GREECE)

P41-24 Airborne gamma-ray spectometry in environmental andaccidental monitoring 2-588

J. Kluson, A. Malusek, T. Cechak, P. Jurza (Prague, CZECH REPUBLIC)

P41-25 Airborne spectrometric monitoring ofthe earth surface 2-589

V.I. Fominykh, V.S. Danilov, V.V. Filimonov (RUSSIAN FEDERATION)

P41-26 Environmental Gamma dose rate monitoring stations:Discussion on dose quantities; site location and calibrationschemes 2-591

V. Genrich (Frankfurt, GERMANY)

P41-27 An original method to measure the natural radioactivity inthe outdoor environment by means of a mobile laboratory 2-592M.C. Robe, V. Labed, P. Richon, A. Beneito, D. Haristoy, S. Demongeot(GifsurYvette, FRANCE)

P41-28 Mobile laboratory for measuring radioactivity in theenvironment 2-595

Y. Testini (Saint Denis, FRANCE)

P41-29 Environmental radioactivity monitoring in Latvia 2-596J. Berzins, J. Alksnis, I. Ljulko, T. Vasiljeva (Salaspils, LATVIA)

P41-30 A regulatory programme to assess licensees' arrangementsfor monitoring the public impact of direct radiation fromcivil nuclear sites in the UK 2-599C.E. Temple (Mereyside, UNITED KINGDOM)

P41-31 Environmental measurements around French nuclear powerplants 2-602A. Le Corre, T. Bourcier (Saint Denis, FRANCE)

P41 -32 An assessment of the radiological significance of consumingwild foods collected near the Sellafield nuclear fuel

reprocessing plant 2-604M.J. Fulker, P. Leonard, K. McKay (Cumbria, London, UNITED KINGDOM)

P41-33 The KGE computer system 2-607T. Fugain, Y. Testini (Saint Denis, FRANCE)

P41-34 The automatic radiation monitoring distributed systemSRM-256C 2-609

G.N. Stetsenko, Y.N. Rastsvetalov, A.A. Yanovich (Protvino, RUSSIAN FEDERATION)

P41-35 Centralization of environment monitoring measurements 2-611Y. Testini (Saint Denis, FRANCE)

P41-36 Environmental stray radiation monitoring at the NSRL 2-612Y. Li, J. Li, B. Shao (Hefei, PEOPLE'S REPUBLIC OF CHINA)

P41-37 The artificial radioactivity in Bechet-Dabuleni area,five years of survey 2-615

E. Dobrescu, C Milu, R. Gheorghe, F. Lida, D. Gruia (Bucharest, ROMANIA)

P41-38 On-line low concentration stack activity release monitoring

system for nuclear reactors 2-618P.V. Bhatnagar, S.P. Chaganty, R.K. Jakati, K.R. Gopalakrishnan (Bombay, INDIA)

P41-39 Environmental monitoring in Qinshan NPP 2-621

J.J. Liu (Hai Yan, PEOPLE'S REPUBLIC OF CHINA)

P41-40 Environmental radioactivity surveillance of the Romanian

CANDU reactor of Cernavoda; normal operation and

accident scenarios 2-622

F. Baciu, A. Baciu, M. Alexandrescu, M. Georgescu, L. Popescu, M. Antone, E. Suto,L. Dan (Bucharest, ROMANIA)

P41-41 Emergency planning for the Romanian CANDU reactor of

Cernavoda; the environmental approach 2-625

F. Baciu, A. Baciu, L. Popescu, M. Georgescu (Bucharest, ROMANIA)

P41-42 Tritium in Danube water around the Romanian

CANDU Reactor of Cernavoda 2-627

F. Baciu, A. Baciu, L. Popescu (Bucharest, ROMANIA)

P41-43 Radioactive liquid discharges in relation with the

phosphogypsum industry in European countries 2-628A. Despres (Fontenay aux Roses, FRANCE)

P41-44 Changes in liquid radioactive waste discharges fromSellafield to the Irish Sea: Monitoring of the environmental

consequences and radiological implications 2-631G.J. Hunt, B.D. Smith, D.J. Swift (Lowestoft, UNITED KINGDOM)

P41-45 Cs-137 in sediments of the northern and middle Adriatic

sea 2-634

D. Barisic, S. Lulic, A. Vertacnik, N. Vdovic, M. Juracic (Zagreb, CROATIA)

P41-46 Plutonium and americium in the Rhone sediments 2-637

L Foulquier, L. Jourd'Heuil, A. Lambrechts, M. Morello, P. Miara, M. Pally

(St.Paul lez Durance, FRANCE)

P41-47 Inductively coupled plasma spectrometry and neutronactivation analysis of rareearths in Cachoeira river 2-640A. H. Oliveira, G. Revel, G. Pinte, M.I. Severo, E. Oliveira (GifsurYvette, FRANCE)

P41-48 Measured tritium in ground water related to

atmospheric releases from Marcoule nuclear site 2-643F. Levy, A. Clech (Bagnols sur Ceze, FRANCE)

P41-49 Radioisotope and stable element partitioning coefficients

in the Danube river 2-646

N.D. Drndarski, N. Lavi (Belgrade, YUGOSLAVIA)

P41-50 U-238, Th-232, Ra-226 and K-40 radioactivity levels in

different types of fertilizers 2-649

S. Abdul-Majid, I. Kutbi, W. Abulfaraj, M. BaSabrian (Jeddah, SAUDI ARABIA)

P41-51 Uranium mining and milling sites in Argentinia:Environmental radiological monitoring (1981 -1994) 2-650

A.M. Bomben, J.C Gomez, A.R. Curti, A.A. Oliveira (Buenos Aires, ARGENTINIA)

P41-52 Short-term environmental measurements with the highsensitive thermoluminescent dosemeters 2-653

M. Prokic (Belgrade, YUGOSLAVIA)

P41-53 Systematic approach to the organisation of measurement

assurance in radioecology 2-654

V.I. Fominykh, I.M. Khaikovich, A.M. Blumentaov, Y.V. Tarbeyev (RUSSIAN FEDERATION)

P41-54 Radioactivity concentrations in soil in the Western

province of Saudi Arabia 2-657

S. Abdul-Majid, W. Abdulfarah, I. Kutbi (Jeddah, SAUDI ARABIA)

P41-55 Decontamination of radioactive phosphogypsum 2-660

V. Vintila Teodoru, F. Gheorghe, M. Cazana (Bucharest, ROMANIA)

P41-56 Investigation of the behavior of Ag-110m in soil system 2-663G. Szabo, J. Guczi (Budapest, HUNGARY)

P41-57 A method for the determination ofvertical distribution

profiles of radioactive contamination in soils 2-666J. Roed, O. Togawa (Roskilde, DENMARK)

P41-58 A technique for 1-129 measurement in soilsamples using radiochemical and neutron activation analysis 2-669E.E. Petrov, A.N. Zabudko, l.P Sadokhin, S.S. Prokhorov, V.A. Zybin(Obninsk, RUSSIAN FEDERATION)

P41 -59 Study on the behavior of technetium-99 In soil environment 2-670S. Morita, H. Watanabe, Y. Akatsu, H. Ishiguro (Naka-gun, Ibaraki-ken, JAPAN)

P41-60 Radiological monitoring in Slovenia 2-673R. Martincic, M. Korun, U. Miklavzic, B. Pucelj (Ljubljana, SLOVENIA)

P41-61 Long-Time atmospheric H-3 and C-14 record in Croatia 2-676N. Horvatincic, I. Krajcar-Bronic, B. Obelic (Zagreb, CROATIA)

P41-62 Determination of Sr-90 in natural samples 2-679

Z. Grahek, K. Kosutic, S. Lulic (Zagreb, CROATIA)

P41 -63 On the radioactivity of the main components of the Romaniandiets 2-680

0. Ferdes, T. Cojocaru (Bucharest, ROMANIA)

P41 -64 Investigation of the contents of natural radionuclides incoal and ashes from Kosovian power plants 2-681F. Adrovic, D. Todotovic, M. Ninkovic, M. Prokic (Pristina, YUGOSLAVIA)

P41-65 Contents of radionuclides in surface layer of uncultivatedsoils of a mountainous region 2-684D. Todorovic, D. Popovic, G. Duric (Belgrade, YUGOSLAVIA)

P41-66 The radiation monitoring on the territory of Belarus 2-687I.I. Matveenko, V.N. Pikalov, V.L Samsonov (Minsk, BELARUS)

P41-67 Up-to date state and dynamics of radioecological situation

at the East-Ural radioactive trace in Sverdlovsk Oblast 2-690

V.N. Chukanov, B.A. Korobitsin (Ekaterinburg, RUSSIAN FEDERATION)

P41-68 Aerial measurements with helicopters to determine accidental

releases from nuclear facilities 2-693

1. Winkelmann, H. BuchrBder, M. Thomas (Berlin, GERMANY)

P41-69 Aerial platform equipped for nuclear emergency measurements 2-696

E. Cisbani, S. Frullani, F. Garibaldi, M. lodice, A. Mostarda, L. Pierangeli, G.M. Urcioli,A. Ambrosini, C. Berteotti, G. Stellato, U. Delprato (Rome, ITALY)

P41-70 The deposition and metabolism of methyl (125) iodide by

crops 2-699

C. Collins, A.E. Gravett, J.N.B. Bell (Ascot, UNITED KINGDOM)

P41 -71 Semiconductor gamma-spectrometry system for airborne

surveying of contamination of large areas 2-702D. Drabova, I. Bucina, R. Filgas (Prague, CZECH REPUBLIC)

P41-72 Radioactive contamination of Adriatic marine organisms

by fission products 2-705

Z. Franic, G. Marovic, N. Lokobauer (Zagreb, CROATIA)

P41-73 Accumulation of radionuclides under determined conditions

in trouts and carps 2-706

K. HObel, J. Litzke (Munich, GERMANY)

P41-74 Resuspension Cs-137 caused by pyroclasic flow atMt. Fugen, Unzen Volcano, Japan 2-709K. Terai (Matsue, JAPAN)

P41-75 Status results of an annual campaign of continuous

measurements of air radioactivity in Novozybkov (Briansk

region) - recent data of a Russian - French study 2-712

E. Petrov, A. Zaboudko, Y. Seldiakov, D. Fertman, M. Chemtob, J. Charuau, J.C. Sabroux,J. Fazileabasse (Fontenay aux Roses, FRANCE)

P41-76 Analysis and assessment of the results of intercomparisonruns on determination of Sr-90, Cs-137 and Pu-239/240

specific activity in soils sampled in the vicinity of Mayak 2-715O.S. Zvetkov, Y.A. Panteleev, V.P. Tishkov, V.I. Fominich

(St. Peterburg, RUSSIAN FEDERATION)

P41-77 Analysis of gamma activity of heavy water at RB reactor 2-718M. Pesic, V. Gubenov, T. Milovanovic, S. Andic, S. Milovanovic (Belgrade, YUGOSLAVIA)

P41-78 In-situ gammaspectrometry intercomparison exercise in

Salzburg/Austria, nuclide specific exposure ratemeasurements 2-721

F. Steger, E. Lovranich, E. Urbanich, S. Streit (Seibersdorf, AUSTRIA)

P41-79 Radioecology of Vardar river basin 2-724

T. Anovski, L. Cvetanovska-Nastevska, N. Jovanovski, Z. Bozinovski (Skopje, MACEDONIA)

P41-80 Remote methods of radiation measurements and search of

local radioactive sources in the Chernobyl area 2-727

S.A. Choumov, N.M. Kozodaeva (Moscow, RUSSIAN FEDERATION)

P41-81 Automatic station of environmental control 2-728

V.Y. Tougaenko, J.A. Gerasinov, A.L. Magdesian, V.P. Poluektov, A.V. Serov

(Kaliningrad, RUSSIAN FEDERATION)

P41-82 Apparatus for radio-ecological control of rooms condition 2-729V.G. Babich, V.N. Salnikov, A.A. Tikhonov (Moscow, RUSSIAN FEDERATION)

42 Assessment Models

P42-1 PC CREAM: a PC package to assess the consequences ofradioactive discharges due to normal operations 2-730CA. Fayers (Oxforshire, UNITED KINGDOM)

P42-2 Probability safety assessment (PAS-Level-3) and emergencyplanning 2-733L. Sagi, L. Koblinger (Budapest, HUNGARY)

P42-3 Interactive simulation of environmental consequences of

nuclear accidents 2-736L. Koblinger, I. Nemeth, P.P. Szabo, A. Kerekes (Budapest, HUNGARY)

P42-4 ASTRAL: A software for the estimation of accidental releasesof radionuclides in the environment 2-738H. Maubert, P. Renaud, P. Fache, J.M. Metivier (St Paul lez Durance, FRANCE)

P42-5 Computerized system to create radiational and hygienicpassport of site and to research the prognosticatedconsequence sensitivity due to countermeasures 2-739A.A. Niggiyan, Y.N. Bragin, V.N. Gerashchenko, S.I. Yanov (Moscow, RUSSIAN FEDERATION)

P42-6 RADAL: a dynamic model for the transfer of radionuclidesthrough agricultural food chains 2-741S.F. Jerez Vegueria, P.F. Jerez Vegueria, I. Frometa Suarez (Havana, CUBA)

P42-7 On-line validation of a prediction model in case of nuclearfallout 2-744

K. MUck, M.H. Gerzabek, M. Suda, E. Henrich (Seibersdorf, AUSTRIA)

P42-8 Computer DSS for assessment of countermeasure strategy inthe long-term period of liquidation of the consequencesof a nuclear accident (agrosphere) 2-747B. Yatsaio, O.A. Mirzeabassov, I.V. Okhrimenko, V.A. Kutkov, V.F. Demin, M.N. Savkin,T.I. Khalmovich (Obninsk, RUSSIAN FEDERATION)

P42-9 Probabilistic methods in radioecology: evident advantagesand non-trivial problems 2-748B. Yatsaio, O.A. Mirzeabassov, I.V. Okhrimenko, I.A. Pichugina(Obninsk, RUSSIAN FEDERATION)

P42-10 Human radiation dose resulting from forests contaminated byradionuclides: Generic model and applications to the

Chernobyl ecosystems 2-749I. Linkov, W.R. Shell (Pittsburgh, PA, UNITED STATES OF AMERICA)

P42-11 Application of a dynamic model for evaluatingradionuclide concentration in fungi 2-752W.R. Scheil, I. Linkov, B. Morel (Pittsburgh, PA, UNITED STATES OF AMERICA)

P42-12 The ecological problems in Belarus and Ukraine:

Investigation and mathematical modelling ofradionuclides in atmosphere soils and seas 2-755P. Kolesnikov, V.N. Eremeev (Minsk, BELARUS)

P42-13 The mathematical modelling and experimental investigationtransfer of radionuclides in boundary layers ofthe

near-surface atmospheric layer in the Black Sea region andBelarus in 1986-1994 2-758

P. Kolesnikov, V.N. Eremeev, O.P. Dolinkina, E.F. Nogotov (Minsk, BELARUS)

P42-14 Spatial distribution of an instantaneous point release of a

finite amount of gas 2-761

J.E. Majchrzak, N. Fruttero, D. Roel, E. Grassi, E. Ponce (Buenos Aires, ARGENTINIA)

P42-15 Modelling of the atmospheric transport of radioactivecontamination from Chernobyl accident using ETA model 2-764B. Telenta, D. Antic, M. Sokcic-Kostic, M. Ninkovic (Erice, ITALY)

P42-16 Measurements and modelling of Cs-137 migration into various

types ofsoil 2-765

E. Koblinger-Bokori, P. Szerbin, L. Koblinger, I. Vegvari (Budapest, HUNGARY)

P42-17 Adaptability of the mathematical model in Cs-137 leach-rate

and effective coefficent of diffusion determination from

the mortar matrices 2-768

A. Peric, R.S. Pavlovic, l.B. Plecas (Belgrade, YUGOSLAVIA)

P42-18 Mathematical modelling of radionuclide behaviour in theVienne river during routine releases ofthe Civaux nuclear

power plant 2-771F. Siclet, A. Hita, P. Ciffroy, P. Gosse (Chatou, FRANCE)

P42-19 Properties of deterministic models for prediction ofradionuclide concentrations in river systems 2-774M. Tschurlovits, G. Winkler (Vienna, AUSTRIA)

P42-20 Modelling the dynamics of fish contamination by Chernobyl

radiocaesium: an analytical solution based on potassium massbalance 2-777

A. Koulikov, M. Meili (Mosocw, RUSSIAN FEDERATION; Uppsala, SWEDEN)

P42-21 Model validation: the use of human measurement data 2-780

L. Prosser, K. Jones (Oxon, UNITED KINGDOM)

P42-22 Guidelines for an early evalution of a nuclear

accident, calculated with the computer model PARK 2-783J. Gregor, J. Burkhardt, L. Kammerer, J. Peter (Oberschleissheim, GERMANY)

P42-23 Radiocapacity: prognosis of pollution after nuclearaccidents 2-786

V.L. Korogodina, V.I. Korogodin, Y.A. Kutlachmedov (Dubna, RUSSIAN FEDERATION)

P42-24 Estimating air quality close to radium bearing waste piles 2-789Y. Belot (Fontenay-aux-Roses, FRANCE)

P42-25 Sorption/desorption phenomena in uranium mill tailings:Study of the distribution of radionuclides on pure solid

phases and application to the modelling of source term 2-792S. Bassot, D. Stammose (Fontenay-aux-Roses, FRANCE)

P42-26 Methodology of environmental impact study and optimizationof releases 2-795

J.C Caries (Saint Paul les Durance, FRANCE)

AUTHOR INDEX 2-796