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MODARIA II

Modelling and Data for Radiological Impact Assessments


Background of the MODARIA II programme

Models are essential tools for use in the regulatory control of nuclear facilities and activities in planned, existing and emergency exposure situations. Modelling the fate of radionuclides in the environment and assessing the resulting radiation doses to people and the environment is needed, for example, in the evaluation of the radiological relevance of routine and accidental releases of radionuclides, to assist in decision making during remediation activities, in the framework of long term safety assessments of nuclear waste disposal facilities, as well as for clearance and exemption of material with low levels of radioactivity. Read more

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Objectives and organization of the MODARIA II programme

The overarching objective of the IAEA’s activities in environmental modelling is to enhance the capabilities of Member States to simulate radionuclide transfer in the environment and, thereby, to assess exposure levels of the public and in the environment in order to ensure an appropriate level of protection from the effects of ionizing radiation, associated with radionuclide releases and from existing radionuclides in the environment. Specific objectives in the areas of radioactive release assessment, restoration of sites with radioactive residues, and environmental protection are: Read more

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MODARIA II Working Groups

The MODARIA II programme comprises seven Working Groups covering a wide range of topics:

  • Working Group 1 - Assessment and Decision Making of Existing Exposure Situations for NORM and Nuclear Legacy Sites
  • Working Group 2 - Assessment of Exposures and Countermeasures in Urban Environments
  • Working Group 3 - Assessments and Control of Exposures to the Public and Biota for Planned Releases to the Environment
  • Working Group 4 - Transfer Processes and Data for Radiological Impact Assessment
  • Working Group 5 - Exposure and Effects to Biota
  • Working Group 6 - Biosphere Modelling for Long Term Safety Assessments of High Level Waste Disposal Facilities
  • Working Group 7 - Assessment of Fate and Transport of Radionuclides Released in the Marine Environment

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First Technical Meeting

The First Technical Meeting (TM) for MODARIA II was held at the IAEA’s headquarters in Vienna from 31 October to 4 November 2016. The TM was attended by 145 participants from 47 Member States and was chaired by Mr Tiberio Cabianca of the United Kingdom. Read more.

Second Technical Meeting

The Second Technical Meeting (TM) for MODARIA II will be held at the IAEA’s headquarters in Vienna from 30 October to 3 November 2017.

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| Last update: Monday, 06 February, 2017.