Re: Re[2]: Tritium Exit Signs

["Dale E. Boyce" <dale@radpro.uchicago.edu>]

It is not clear to me that one can ignore the dose from the T2 or HT
gas. In high concentrations it might move by mass action to the ceiling,
but small volumes of gas will diffuse throughout the room.  Therefore,
it is likely that a significant amount of the dose would come from
immersion in the gas.  At least for the lung dose.  I haven't seen
any data on biological uptake of tritium gas.  It may be that it is
insignificant on an accident time scale.  Has anyone seen any data
on T2 or HT exposure.  I'm sure DOE must have looked at it.

DAle