Community Research and Development Information Service - CORDIS


Optimisation of Monitoring for Internal Exposure (OMINEX), Final report (summary)

Project ID: FIKR-CT-2000-00046
Funded under: FP5-EAECTP C


The primary aims of internal dose monitoring in the workplace are: (a) to verify and document that workers are protected adequately against risks from radionuclide intakes; and (b) to verify and document that the protection complies with legal requirements. The first aim is achieved by utilising monitoring programmes that allow the assessment of internal doses with sufficient accuracy so that an acceptable estimate of risk can be made. This requires a consideration of the uncertainties in assessed intakes and doses that arise from different monitoring programme designs. The second aim is achieved by ensuring that doses can be assessed with adequate sensitivity, so that workers who have received doses above a particular level are reliably identified. An example of such a requirement is the need to demonstrate that annual doses are not in excess of 6 mSv for Category B workers, in order to confirm that they have been categorised correctly as required by Article 25 of EC Directive 96/29/Euratom. This requires a consideration of the minimum detectable doses associated with the monitoring programme.
OMINEX aims to provide advice and recommendations on designing and implementing internal dose monitoring programmes in the workplace. The underlying approach to optimisation was to consider costs versus "benefits", the latter being quantified primarily by assessing either the sensitivity or accuracy with which intakes and doses are determined from the results of monitoring. The results of the project should be of use to dosimetry service managers, regulators and senior medical staff in the nuclear industry.

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