29 August, Plenary Session
Chairman
10.00
-
R Rometsch
12.30 hours
Summary of the Results of the Working Groups Discussions
The Chairmen of the four working groups presented their conclusions and an indication of the outstanding, detailed issues which needed to be addressed in future.
Both the immediate and the longer term features of the accident sequence were now understood in broad outline. There was scope for further detailed discussions on phenomena such as the disintegration of fuel, gas/vapour explosions, graphite combustion, the long term reliability of safety systems, man-machine interaction and fire control.
The emergency measures taken by the Russians had been extensive and had helped to limit the collective dose. There
a need for international discussions about the dose levels at which food stuffs should be banned.
The radiological consequences of the accident had been described and debated in detail. The dispersion of activity in
the environment had a number of features which were not altogether expected (mobility of caesium, ejection of fuel, for example). Further discussions were needed on these matters and also on health effects and epidemiology.
The meeting closed at 12.30 hours, delegates expressing broad satisfaction with what had been achieved.
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