Approaches to assign security levels for radioactive substances and radiation sources

Authors:   Ivanov M., Petrovsky N., Pinchuk G., Telkov S., Kuzin V. Issue:   1(59) – 2011.

The Article contains analyzed provisions on categorization of radioactive substances and radiation sources according to the extent of their potential danger. Above provisions are used in IAEA documents and in Russian regulatory documents for differentiation of regulatory requirements to physical security. It is demonstrated that with the account of possible threats of violators, rules of physical protection of radiation sources and radioactive substances should be amended as regards the approaches to assign their categories and security levels. A combined approach to assign security levels considering as the categories of radioactive substances and radiation sources on their potential danger relevant to radionuclide activity, so as the availability or lack of the threat of theft is described.


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