Volume 51, December 2016Innovative integrated tools and platforms for radiological emergency preparedness and post-accident response in Europe. Key results of the PREPARE European research project
|Page(s)||S109 - S112|
|Section||Enhancing of the existing decision support systems with capabilities of importance – Extension of DSSs modules regarding particles|
|Published online||23 December 2016|
An experimental study on natural weathering of radionuclides from urban surfaces for aerosols deposited in wet and dry conditions
Centre for Radiation, Chemical and Environmental Hazards, Public Health England,
OX11 0RQ, UK
The European Model for Inhabited Areas (ERMIN) predicts long-term doses and other consequences following contamination of built-up areas by airborne radioactivity. Central to ERMIN are empirical models of the long-term behaviour of radionuclides on building and other surfaces in the environment. Experiments in which building materials were contaminated, and weathered outdoors for up to 1 year following contamination have enhanced the data on weathering from surfaces that can be used in ERMIN. New data have been obtained for the elements americium, cadmium, caesium, cobalt, iodine, ruthenium and strontium and for the surfaces brick, concrete and clay roof tiles, concrete slabs, glass, sandstone, tarmac and wood cladding. The results have highlighted some differences between the retention of aerosols on surfaces, particularly for glass. This paper presents a summary of the results and identifies the main differences in retention observed.
Key words: remediation / decision support / surface retention
© EDP Sciences 2016
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