Diversion Path Analysis: A Proposed Methodology to Develop an MC&A Approach for Liquid-Fueled Molten Salt Reactors

Summary

Liquid-fueled molten salt reactors (MSRs) present a significant challenge for nuclear material control and accounting (MC&A) due to the dynamic nature of bulk special nuclear material (SNM) quantities within them. This document proposes a detailed Diversion Path Analysis methodology to systematically identify and evaluate potential SNM diversion points, thereby enabling the development of a more effective and risk-informed MC&A program. This initiative is currently a planned methodology intended to address regulatory gaps and enhance safeguards for advanced nuclear reactor designs.

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