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Characterization and management of waste materials from decommissioning nuclear facilities

The study concerns waste materials arising from building demolition and from site cleaning activities associated with decommissioning of nuclear facilities.
The objectives of the study are to:
establish an overview of building demolition and site cleaning wastes arising from various types of fuel cycle facilities (enrichment, fuel manufacturing, power reactors, reprocessing, waste treatment, spent fuel encapsulation);
consider sampling, monitoring and analysis tools enabling the characterization and classification of these wastes;
classify these wastes according to a 3 class scheme (release for unrestricted use, release for restricted use only, radioactive waste) and describe possible ways of reuse or disposal.

According to the scope of the programme, the results from different countries and different facilities must be compiled in a unified scheme and parameters concerning the possible variations of radionuclide concentration limits and dose levels with corresponding uncertainties evaluated. The scheme produced forms a basis for comparisons. In this regard, a data bank was created and a computer programme development begun. For the data evaluation, at first, general premises and assumptions were necessary to establish which can be derived from the experiences of different decommissioning studies and on plant operational data.

Reported by

Nukem Nuklear GmbH
Industriestrasse 13
63754 Alzenau
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