Workshop on methods for assessing the off-site radiological consequences of nuclear accidents. Proceedings 15-19 April 1985 Report
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Workshop on methods for assessing the off-site radiological consequences of nuclear accidents. Proceedings 15-19 April 1985 Report

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Commission of the European Communities radiation protection Workshop on methods for assessing the off-site radiological consequences of nuclear accidents Proceedings 15-19 April 1985, Luxembourg Commission of the European Communities m s? S Et m^ ¡fi (a, 's, , ^SSÎ s^ ?pv■ïi­i­v '«¡sig sVd­; í¿ « Workshop on methods for assessing the off­site radiological consequences of nuclear accidents Proceedings 15­19 April 1985, Luxembourg Edited by: F. Luykx Directorate­General Employment, Social Affairs and Education Health and Safety Directorate (Luxembourg) J. Sinnaeve Directorate­General Science, Research and Development Biology, Radiation Protection and Medical Research Directorate (Brussels) Directorate­General Science, Research and Development l Employment, Social Affairs and Education Health and Safety Directorate 1986 EUR 10397 EN Published by the COMMISSION OF THE EUROPEAN COMMUNITIES Directorate­General Information Market and Innovation Bâtiment Jean Monnet LUXEMBOURG LEGAL NOTICE Neither the Commission of the European Communities nor any person acting on behalf of the n is responsible for the use which might be made of the following information Cataloguing data can be found at the end of this publication Luxembourg, Office for Official Publications of the European Communities, 1986 ISBN.

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Commission of the European Communities
radiation protection
Workshop on methods for assessing
the off-site radiological consequences
of nuclear accidents
Proceedings
15-19 April 1985, Luxembourg Commission of the European Communities
m s?
S Et m^ ¡fi (a, 's,
, ^SSÎ s^ ?pv
■ïi­i­v '«¡sig sVd­; í¿ «
Workshop on methods for assessing
the off­site radiological consequences
of nuclear accidents
Proceedings
15­19 April 1985, Luxembourg
Edited by:
F. Luykx
Directorate­General Employment, Social Affairs and Education
Health and Safety Directorate (Luxembourg)
J. Sinnaeve
Directorate­General Science, Research and Development
Biology, Radiation Protection and Medical Research Directorate (Brussels)
Directorate­General
Science, Research and Development l
Employment, Social Affairs and Education
Health and Safety Directorate
1986 EUR 10397 EN Published by the
COMMISSION OF THE EUROPEAN COMMUNITIES
Directorate­General
Information Market and Innovation
Bâtiment Jean Monnet
LUXEMBOURG
LEGAL NOTICE
Neither the Commission of the European Communities nor any person acting
on behalf of the n is responsible for the use which might be made of
the following information
Cataloguing data can be found at the end of this publication
Luxembourg, Office for Official Publications of the European Communities, 1986
ISBN.92­825­5991­2 Catalogue number:
©ECSC­EEC­EAEC, Brussels ■ Luxembourg, 1986
Printed in Belgium PROGRAMME COMMITTEE
In drawing up the detailed Seminar Programme, the Secretariat has been able
to call on the learned assistance of:
J. EHRHARDT KfK, Karlsruhe Germany
H.M.N.I.I. (Liverpool) United Kingdom N. KELLY
CEC/DG V, Luxembourg Luxembourg F. LUYKX
CEC/DG XII, Brussels Belgium J. SINNAEVE
We are happy to acknowledge this assistance and to record our appreciation
of the help provided.
- Ill CONTENTS
Page
OPENING ADDRESS by Dr. E. BENNETT
Director of the Health and Safety Directorate,
Directorate-General for Employment, Social
Affairs and Education, CEC, Luxembourg
INTRODUCTORY ADDRESS by Dr. J.H. GITTUS
Director of the Safety and Reliability
Directorate, UKAEA;
"Probabilistic risk analysis and role of accident
consequence assessment"
SESSION I Chairmen: G. Bresson (F)
U. Tveten (N)
International developments in the area of
accident consequence assessment 41
F. LUYKX The CEC programme on Methods for Assessing the
Radiological Impact of Accidents (MARIA) J. SINNAEVE 43
(CEC)
L. SOFFER An assessment of regulatory applications in the
USA of source term research 53 J.A. MAKTIN
R.P. GRILL
(USA)
T. IIJIMA Current Japanese activities in off-site
(Japan) consequence assessment of nuclear accidents 69
U. TVETEN (Norway) Nordic developments in the area of consequence
L. DEVELL (Sweden) 81 assessment
Ξ. THYKIER-NIELSEN
(Denmark)
I. SAVOLAINEN
(Finland)
D.C. ALDRICH (USA) ΝΕΑ programme on accident consequence assessment 103
J. ROYEN (NEA-OECD)
Introductory paper to Sessions II to VI ; J. HALLAM
"The features of probabilistic accident (NRPB)
consequence models" 115
SESSION II Chairmen: P. Govaerts (B)
A.J.H. Goddard (UK)
Atmospheric Dispersion 131 c dispersion in accident consequence J. PASLER
assessments - present modelling, future needs (KfK)
and comparative calculations 133
V Special topics in atmospheric dispersion modelling J.A. JONES
for risk assessments : coastal effects and wet (NRPB)
deposition 153
H.M. ApSIMON Comparison between current atmospheric dispersion
methodology and the MESOS II trajectory model 171 A.J.H. GODDARD
J.J.N. WILSON
(UK)
The modelling of gravitational settling in B.Y. UNDERWOOD
assessment of the consequences of accidental (UK)
releases of radioactivity 199
Estimating patterns of contamination from wet H.M. ApSIMON
deposition for probabilistic consequence A.J.M. GODDARD
assessment 223 P.M. MANNING
K. SIMMS (UK)
P. CAGNETTI Mesoscale diffusion-deposition of radioactive
253 A. PELLEGRINI material over large water bodies
(Italy)
Meteorological sampling methods for use in M.E. BROOMFIELD
probabilistic consequence assessments 275 (NRPB)
SESSION III Chairmen : H.G. Paretzke (FRG)
H. Camus (F)
Food chain transfer 291
Review of foodchain transfer in relation to J.R. SIMMONDS
accident consequence assessments 293 (NRPB)
C. STEINHAUER Influence of different foodchain models on
accident consequence assessments (KfK) 313
G. PROHL An intercomparison of the foodchain models
FOOD-MARC (NRPB) and ECOSYS (GSF) H.G. PARETZKE 331
W. FRIEDLAND
(FRG)
S. NAIR Uncertainty analysis of ingestion population dose
arising from a range of PWR design basis A.C. PONTING
(UK) accidents 347
S. EVANS Radiological foodchain models in Scandinavia.
A review (Sweden) 363
C. MYTTENAERE Recommended directions for radioecological
(CEC) research 391
The transfer through the marine environment D. CHARLES
(NRPB) of material deposited from the atmosphere 409
VI SESSION IV Chairmen: H.L. Gjørup (DK)
M. Hill (Ms) (UK)
Urban Contamination 423
M.J. CRICK A review of models to assess exposure from
(NRPB) deposited material and future needs 425
0. GRAF Intercomparison of three shielding codes for
(KfK) external radiation from deposited material 439
R. DORNER Comparative standard house calculations with the
H.G. VOGT Monte­Carlo code SAM­CE and the point­kernel code
(FRG) QAD­CG­E 451
H.L. GJØRUP Deposition, retention and decontamination of radio­
P. HEDEMANN JENSEN active material on urban surfaces ­ the Danish
B. LAURIDSEN programme 463
J. ROED
L. WARMING
(Denmark)
U. TVETEN Deposition and natural decontamination of caesium
(Norway) on urban surfaces ­ the Nordic programme 493
F.J. SANDALLS Natural and forced decontamination of urban
S. P. STEWART surfaces contaminated with radiocaesium 511
B.T. WILKINS
(UK)
G. SCHWARZ Deposition and post­deposition radionuclide
(FRG) behaviour in urban environments 533
J. ROED Reduction in inhalation dose by staying
(Denmark) indoors 559
SESSION V Chairmen: T. Iijima (Japan)
C. Myttenaere (CEC)
Demographic and land use data 601
Ξ . M. HAYWOOD The role of demographic and land use data in
(NRPB) consequence assessments 603
A. GARNIER Data base on land use, agricultural produce and
(France) housing in some EC countries 615
SESSION VI Chairmen: N. Kelly (UK)
R. Boge (S)
Dosimetry, Health Effects, Economic and
Countermeasure Models 651
J.A. JONES Applications of internal dosimetric data 653
(NRPB)
­ VII ­J.S. EVANS Radiological health effect models for nuclear
power plant accident consequence analysis 671 D.W. MOELLER
(USA)
The NRPB model to assess the economic impact J. DIONIAN
of off-site accident consequences (NRPB) 705
D.C. ALDRICH Economic consequence modelling for LWR accidents 719
R.P. BURKE
N.C. RASMUSSEN
(USA)
The MELCOR accident consequence code system D.J. ALPERT
(MACCS) D.I. CHANIN 735
J.C. HELTON
R.M. OSTMEYER
L.T. RITCHIE
(USA)
K. BURKART Countermeasure models for use in accident
(KfK) consequence assessments 749
SESSION VII Chairmen: J.Ehrhardt (FRG)
D. ALPERT (USA)
Uncertainty Analysis 767
Role and importance of uncertainty analysis 75g F. FISCHER
(KfK)
Probabilistic uncertainty analysis; E. HOFER
methods and their application (FRG) 78
L. OLIVI The universe of information as experiment space
in uncertainty analysis for accident consequence (CEC)
models of complex systems 815
H.J. PANITZ Sensitivity and uncertainty analysis of the
atmospheric dispersion model of UFOMOD (KfK) 831
J.A. JONES Uncertainty analysis of selected modules of the
MARC code M.J. CRICK 851
(NRPB)
Uncertainty and sensitivity analysis for reactor D.J. ALPERT
accident consequence models 869 J. C. HELTON
(USA)
SESSION VIII Chairmen: D. Aldrich (USA)
J. Versteeg (NL)
Application of Probabilistic Consequence Models
as Decision Aids ggi
Presentation and application of the results of J. EHRHARDT
accident consequence assessments 593 (KfK)
PRA results as input to decisions in emergency J. HALLAM
planning 9I(NRPB)
VIII