[ RadSafe ] Removal of Cs-137 source from an old irradiator

[Wasiolek, Maryla]

Bruce,

An interesting suggestion.  However, the shielding could be a problem for imaging, i.e., the very construction of the irradiator.

Thanks,

Maryla  

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of bjmannpe at aol.com
Sent: Tuesday, August 16, 2011 5:28 AM
To: radsafe at health.phys.iit.edu
Subject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator


Have you considered imaging techniques, using film or "gamma cameras" to show the internal construction of the device. You already have the strategically placed gamma source!

Bruce Mann






-----Original Message-----
From: Wasiolek, Maryla <mwasiol at sandia.gov>
To: The International Radiation Protection (Health Physics) Mailing List <radsafe at agni.phys.iit.edu>
Sent: Mon, Aug 15, 2011 6:58 pm
Subject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator


Gentlemen, 
Thank you very much for the tips.  At some point we did contact OSRP, but from 
hat I understand, the removal of our source was not quite consistent with their 
ission. The irradiator is rather large, about 6 feet tall, which is why we 
hought we would try to remove the source for disposal, e.g., from behind the 
hield wall using manipulators.  That is why I was looking for the information 
n how the irradiator was constructed inside. 
Thanks again,
Maryla Wasiolek
amma Irradiation Facility
andia National Laboratories
lbuquerque, NM
05-844-3507    
-----Original Message-----
rom: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] 
n Behalf Of ROY HERREN
ent: Monday, August 15, 2011 3:43 PM
o: The International Radiation Protection (Health Physics) Mailing List
ubject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator
The very best deal to be had for disposal of these types of items can be found 
t Off-Site Source Recovery Project, OSRP, http://osrp.lanl.gov/.  The cost to 
our facility will be minimal, that is if there is any cost at all.
 Roy Herren 


_______________________________
rom: "DrDonRhodes at cs.com" <DrDonRhodes at cs.com>
o: radsafe at health.phys.iit.edu
ent: Mon, August 15, 2011 2:35:30 PM
ubject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator
Hi,
     I had a similar problem 25 years ago involving 200 curies of Co-60 
n an experimental device which I designed and built.  I had a complete set 
f drawings, but I did not try to remove the sources.
     I got a type B shipping container from Chem Nuclear Systems, loaded 
he device, mixed and poured in concrete and shipped for disposal.
     This is expensive and does not help you much.
ood luck,
don Rhodes
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