[ RadSafe ] Tritium diffusion through plastic

[Johansen, Kjell]

A question has come up about the rate of diffusion through polyethylene
with respect to storage of samples.  Does anyone have any information
regarding expected H-3 loss over a week.  I do not believe this is an
issue but someone has raised it and I do not have an answer other than
bottled water now comes in plastic bottles.  I can't see H-3 diffusing
through polyethylene faster that regular water.

Kjell Johansen
Point Beach Nuclear Plant
kjell.johansen at nmcco.com