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The primary objective of this technical guide is to launch a coherent methodology in the domain of nuclear safety and radiological protection in all stages of treatment, storage and final disposal of Plutonium Contaminated Materials (PCM). These objectives can be approached on the basis of the determination of the plutonium contents in PCM items and streams. Since publication of our first version of the guide the methodology was investigated more deeply by theoretical studies on capabilities and limitations of radiometric assay of PCM and by integral experiments on the PCM monitoring system of an FBR fuel reprocessing facility. The first chapter starts from the objectives and technical and managerial constraints and presents a conceptual PCM monitoring scheme. Chapter 2 is devoted to the principles and the theory of the radiometric assay of PCM which forms the scientific basis of the procedures for the determination of the Pu- contents in PCM items and streams. Chapters 3, 4 and 5 are dedicated to the design and the analysis of monitors based on the measurement of radiations emitted by Pu isotopes either spontaneously or after irradiation by neutrons from an external source. Emphasis is given to the mathematical modelling of instruments and methods and to the data bases for the design of instruments and interpretation of measurements. Reference monitors are described for the considered radiometric assay by passive gamma, passive neutron and active neutron techniques.

Additional information

Bibliographic Reference: EUR 10026 EN (1985) MF, 444 P., BFR 750, BLOW-UP COPY BFR 2200, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
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