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Disposal of empty Kr-85 gas cylinders

To: "'radsafe@list.vanderbilt.edu'" <radsafe@list.vanderbilt.edu>
Subject: Disposal of empty Kr-85 gas cylinders
From: Tom Morgan <tmorgan@ISOTOPEPRODUCTS.COM>
Date: Tue, 9 Sep 2003 15:50:41 -0700
Cc: Suzanne Richards <srichards@ISOTOPEPRODUCTS.COM>, Ana Ramirez <aramirez@ISOTOPEPRODUCTS.COM>,Tam Huynh <thuynh@ISOTOPEPRODUCTS.COM>
Reply-To: Tom Morgan <tmorgan@ISOTOPEPRODUCTS.COM>
Sender: owner-radsafe@list.vanderbilt.edu

Has anyone out there in Radsafe land had experience with disposal of gas

cylinders previously used for Kr-85 storage?  Is it sufficient to vent the

gas or it is necessary to purge the cylinders with nitrogen or some other

non-radioactive gas?  What level of residual gas might be expected?

 

Thanks for your help.

 

Thomas L. Morgan, PhD

Director, Health Physics

Radiation Safety Officer

Isotope Products Laboratories

661-309-1033 (voice)

661-257-8303 (fax)

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