RE: Decay-In-Storage

["Merkel, Jon R" <merkel@bnl.gov>]

That is very true, however, I believe when you are talking about decay in
storage, aren't we usually talking about isotopes with a half life <90 days?
That is my understanding.





-----Original Message-----
From: Charles Meyer [mailto:Charles.Meyer@tdh.state.tx.us]
Sent: Wednesday, April 19, 2000 11:00 AM
To: Multiple recipients of list
Subject: RE: Decay-In-Storage



> I would say that given the fact that after 7 half lives you are below 1%
of
> original activity that ten half lives would be undetectable and able to be
> released with no concerns.
>

I may be getting in on this a little late, The validity of the above 
statement depends on how much you started with.  One percent of a 
hundred curies, depending on the radionuclide could still be of 
concern. 
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