Conduct of an On Site Inspection (OSI) under the Comprehensive Test Ban Treaty (CTBT) is expected to employ an inspection team (IT) and a system of techniques designed to localize regions in an inspection area (IA) and detect/assess whether signatures present are consistent with a nuclear explosion. A number of radionuclide (RN) detection and characterization techniques are planned to be part of the overall OSI system. The RN techniques under consideration include aerial and ground-based gamma survey, in situ gamma spectroscopy for field characterization, and even collection of physical samples (surface and subsurface, including noble gases) and capability to analyze all of the previous at a base of operations laboratory. Many of these techniques are slated for testing and demonstration during an upcoming Integrated Field Exercise planned for later this year. As introduction to the session, this presentation will describe a number of the planned RN techniques, their intended application within OSI and draw analogies to the U.S. response to Fukushima which similarly employed many of the same techniques and processes. LLNL-ABS-652150. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. Lawrence Livermore National Security, LLC.

Radionuclide detection and measurement techniques for use in Comprehensive Test Ban Treaty on site inspection

248th National Meeting (2014)

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