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Storage and Assay of Tritium in STAR

Glen R. Longhurst, Robert A. Anderl, Robert J. Pawelko, Carl J. Stoots

Fusion Science and Technology / Volume 48 / Number 1 / July/August 2005 / Pages 332-336

Technical Paper / Tritium Science and Technology - Tritium Measurement, Monitoring, and Accountancy /

The Safety and Tritium Applied Research (STAR) facility at the Idaho National Engineering and Environmental Laboratory (INEEL) is currently being commissioned to investigate tritium-related safety questions for fusion and other technologies. The tritium inventory for the STAR facility will be maintained below 1.5 g to avoid the need for STAR to be classified as a Category 3 nuclear facility. A key capability in successful operation of the STAR facility is the ability to receive, inventory, and dispense tritium to the various experiments underway there. The system central to that function is the Tritium Storage and Assay System (SAS).

The SAS has four major functions: (1) receiving and holding tritium, (2) assaying, (3) dispensing, and (4) purifying hydrogen isotopes from non-hydrogen species.

This paper describes the design and operation of the STAR SAS and the procedures used for tritium accountancy in the STAR facility.

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