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A Prototype Wearable Tritium Monitor

R. A. Surette, J. Dubeau

Fusion Science and Technology

Volume 54 / Number 1 / July 2008 / Pages 193-196


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Sudden unexpected changes in tritium-in-air concentrations in workplace air can result in significant unplanned exposures. Although fixed area monitors are used to monitor areas where there is a potential for elevated tritium in air concentrations, they do not monitor personnel air space and may require some time for acute tritium releases to be detected. There is a need for a small instrument that will quickly alert staff of changing tritium hazards. A moderately sensitive tritium instrument that workers could wear would bring attention to any rise in tritium levels that were above predetermined limits and help in assessing the potential hazard therefore minimizing absorbed dose. Handheld instruments currently available can be used but require the assistance of a fellow worker or restrict the user to using only one hand to perform some duties.

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