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IAEA EMRAS Biota working group Future (suggested) plans

IAEA EMRAS Biota working group Future (suggested) plans. Potential areas of interest. ICRP interaction New scenarios Methodology Improving parameter values Link to wider ‘EMRAS II’. ICRP. Committee 4 discussions

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IAEA EMRAS Biota working group Future (suggested) plans

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  1. IAEA EMRAS Biota working group Future (suggested) plans

  2. Potential areas of interest • ICRP interaction • New scenarios • Methodology • Improving parameter values • Link to wider ‘EMRAS II’

  3. ICRP • Committee 4 discussions • Comparison and doses to humans and biota planned in PROTECT (BWG participation)

  4. New scenarios • Will consider in next 6 months • Focused on current issues (planned and existing exposures) • Likely to included less studied radionuclides • Two initial proposals • U mining (link with NORM group – available scenario?) • Radioactive waste disposal

  5. Methodology • Interface environments (eg estuaries) • Different situations (eg paddy fields) • Variability • Parameter distributions in approaches and how they are used • Radioecological sensitivity – does this need to be considered for biota??

  6. Improving parameter values • Transfer CR values • Sub task group within BWG • Core group plus invited extras with relevant data • Interaction with ICRP/IUR • Effects information (link with UNSCEAR activities) • Quality / Quantity of data • Use of ecological population modelling? • Possibly adapting current models to move from individuals to populations

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