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Release Limits and Decontamination Efficacy for Tritium: Lessons Learned Outside Nuclear Power Operations

Waller, Edward J.*; Cole, David; Jamieson, Terry

doi: 10.1097/01.HP.0000269508.82625.78
Articles: Operational Topic

Various pieces of equipment in use by the Canadian Department of National Defence (DND) contain radiation-emitting components. One such piece is a sight knob used on light artillery. At the request of the DND’s Director General Nuclear Safety (DGNS—DND’s internal nuclear regulatory agency), the authors were contacted to remove the luminous tritium-impregnated paint strip from over 300 sight knobs. This paper discusses the physical description of the sight knobs, the protocol developed for decontaminating the sight knobs, the rationale for the release limits used, and experience gained in using and modifying the decontamination protocol.

* University of Ontario Institute of Technology, School of Energy Systems and Nuclear Science, 2000 Simcoe Street North, Oshawa, Ontario, L1H 7K4; † Science Applications International Corporation (SAIC Canada), 60 Queen Street, Suite 1516, Ottawa, Ontario, K1P 5Y7.

Release limits for tritium contamination materials are developed, and decontamination efficacy is explored.

©2007Health Physics Society