RE: Pressure Buildup in PuBe Sources

["George Andrews" <mauser2@erols.com>]

Ralph
	There was some dialog regarding this issue in the past. LANL operates a
recovery program. Contact Sherry Jones at LANL for more information. I have
unfortunately lost her e-mail address. If you check the RADSAFE archives you
will the dialog and the e-mail address. Otherwise I will send upon my return
to work.
	Pressure build up is a problem in 25 to 30 year old sources. This is true
even for "recanned sources. I believe that for some sources, the recanning
involved only the outermost can.

George Andrews
mauser2@erols.com

	> -----Original Message-----
> From: radsafe@romulus.ehs.uiuc.edu
> [mailto:radsafe@romulus.ehs.uiuc.edu]On Behalf Of Ralph NORTH
> Sent: Thursday, July 30, 1998 11:45 AM
> To: Multiple recipients of list
> Subject: Pressure Buildup in PuBe Sources
>
>
>
>
>  Dear Rad Safer,
>
>      It was suggested that old PuBe sources should be returned to DOE for
>      reclamation and avoid loss of source integrity due to
> internal pressure
>      buildup.  (I think this issue came up a few years ago on
> RadSafe, not sure)
>
>      What is the story of PuBe sources and pressure build up?
>      Did any one has problems with PuBe sources due to pressure buildup?
>      Pressure build up is expected to become a problem for old
> sources.  How
>     old?
>      Does DOE still support the recovery program?
>
>      Any comment on this subject is greatly appreciated.  Thanks
> in advance.
>
>      A. BenZikri
>      UW-Madison
>
>
>
>
>
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