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

[Thompson, Dewey L]

Maryla

Your source will qualify for OSRP. I know this because they told me that a smaller Cs source that I have would qualify. 

The first thing you need to do is register your source with them. I suggest you get on their website and go from there. Because it is a Cesium source, they might not be able to take it immediately, as the alpha emitters are probably a higher priority. 

I sent an email to a guy at OSRP that I have worked with before to see if he can make some introductions. 

Dewey
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----- Original Message -----
From: radsafe-bounces at health.phys.iit.edu <radsafe-bounces at health.phys.iit.edu>
To: The International Radiation Protection (Health Physics) Mailing List <radsafe at agni.phys.iit.edu>
Sent: Tue Aug 16 17:45:12 2011
Subject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator

I may have misinterpreted the interactions with OSRP because I was not directly involved. In any case, I can see that it may be worthwhile to pursue that path.  Many thanks for the information.

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Vernig, Peter G.
Sent: Tuesday, August 16, 2011 1:29 PM
To: The International Radiation Protection (Health Physics) MailingList
Subject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator

Like Roy, I had OSRP remove an irradiator and it took longer than two years for the wait, I think because the irradiator was constructed before the US had type B shipping container specs. The unit met international specs but not US. And on top of that it was an AECL irradiator and they did not update or renew the type certification so they had to over pack it in a type B container.

Anyway I am surprised if they said it didn't fit with their mission, I thought that is what OSRP was all about getting old high activity sources into permanent secure storage.

 Any opinions in this e-mail are solely those of the author, and are not represented as those of the VA Eastern Colorado HCS, the Dept. of Veterans Affairs, or the US Government.

Peter G. Vernig,RSO


-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of ROY HERREN
Sent: Tuesday, August 16, 2011 1:20 PM
To: The International Radiation Protection (Health Physics) Mailing List; The International Radiation Protection (Health Physics) MailingList
Subject: Re: [ RadSafe ] Removal of Cs-137 source from an old irradiator

From my personal experience having had OSRP remove and dispose of both 
an Irradiator and a Americium source I can assure you that they can and will 
dispose of large sources.  They will remove your Irradiator from your campus in 
one piece.  They didn't charge my campus for the removal of either source.  The 
only caveat is that they have to live within a budget just like the rest of us 
and it took quite some time, like two years, for them to come out and remove the 
irradiator. 
 Roy Herren 




________________________________
From: "Wasiolek, Maryla" <mwasiol at sandia.gov>
To: The International Radiation Protection (Health Physics) Mailing List 
<radsafe at agni.phys.iit.edu>
Sent: Mon, August 15, 2011 3:56:39 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 
what I understand, the removal of our source was not quite consistent with their 
mission. The irradiator is rather large, about 6 feet tall, which is why we 
thought we would try to remove the source for disposal, e.g., from behind the 
shield wall using manipulators.  That is why I was looking for the information 
on how the irradiator was constructed inside. 


Thanks again,

Maryla Wasiolek
Gamma Irradiation Facility
Sandia National Laboratories
Albuquerque, NM
505-844-3507    

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu 
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of ROY HERREN
Sent: Monday, August 15, 2011 3:43 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: 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 
at Off-Site Source Recovery Project, OSRP, http://osrp.lanl.gov/.  The cost to 
your facility will be minimal, that is if there is any cost at all.

 Roy Herren 




________________________________
From: "DrDonRhodes at cs.com" <DrDonRhodes at cs.com>
To: radsafe at health.phys.iit.edu
Sent: Mon, August 15, 2011 2:35:30 PM
Subject: 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 
in an experimental device which I designed and built.  I had a complete set 
of drawings, but I did not try to remove the sources.
      I got a type B shipping container from Chem Nuclear Systems, loaded 
the device, mixed and poured in concrete and shipped for disposal.
      This is expensive and does not help you much.
Good luck,
Ddon Rhodes
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