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IDEAS - European project for developing general guidelines for internal dose assessment



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International conference on occupational radiation protection: protecting workers against exposure to ionising radiation, Geneva, 26-30 August 2002. A Andrasi, M Bailey, V Berkovski, CM Castellani, H Doerfel, C Hurtgen, JR Jourdain, B Le Guen.


Several international intercomparison exercises on intake and internal dose assessments from monitoring data led to the conclusion that the results calculated by different participants varied significantly mainly because of the wide variety of methods and assumptions applied in the assessment procedure. Based on these experiences the need for harmonisation of the procedures has been formulated as an EU research project under the 5th Framework Programme, with the aim of developing general guidelines for standardising assessments of intakes and internal doses. In the IDEAS project eight institutions from seven European countries are participating using inputs also from internal dosimetry professionals from across Europe to ensure broad consensus in the outcome of the project. To ensure that the guidelines are applicable to a wide range of practical situations, the first step will be to compile a database of well-documented cases of internal contamination. In parallel, an improved version of existing software will be developed and distributed to the partners for further use. A large number of cases from the database will be evaluated independently by two partners using the same software, the results will be discussed and draft guidelines prepared. The guidelines will then be revised and refined on the basis of the experiences and discussions of two workshops and an intercomparison exercise organised within the project but open to all internal dosimetry professionals.