Published online by Cambridge University Press: 25 April 2013
As part of the ongoing European project NERIS-TP, a revision has been made of someparameters influencing dose estimates in the European emergency management decisionsupport systems RODOS and ARGOS. On the basis of survey data, the estimates of the timefractions typically spent indoors and outdoors over longer time periods have been revised.On the basis of measurement data, also new values for the natural ventilation rategoverning early ingression of contaminants into dwellings have been derived for differentparts of Europe. Other potential parameterisation improvements for the decision supportsystems are discussed.