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Tritium body burden of swine following the rupture of a luminous source activated with elemental tritium.

The biological absorption of tritium released by the rupture of self luminous sources activated with elemental tritium was studied using swine. Sources were ruptured in open air or in an enclosed tent. While biological absorption of released tritium in the open air experiment was found to be 0.001% or less, a 70-fold increase in the biological absorption was observed during the experiment in a tent. An extrapolation of these findings to a similar human exposure indicates that the rupture of a 1 Ci source in an enclosure would result in a dose commitment of 230 mrem.