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Re: Kr-85

To: radsafe@romulus.ehs.uiuc.edu
Subject: Re: Kr-85
From: "Wesley M. Dunn" <WDUNN@brc1.tdh.state.tx.us>
Date: Thu, 5 Dec 1996 10:42:48 -0600 (CST)
Organization: Texas Department of Health
Priority: normal

If I recall correctly (a dubious assumption) the NRC recently issued 
an Information Notice on Kr-85 problems.  It appears that it doesn't 
behave nicely and always vent completely.  So you can empty a 
cylinder and still have residual Kr-85 trapped in the system.  This 
may be the source of the problem mentioned in another post.

Wes


*********************************************************************
Wesley M. Dunn, CHP                        512-834-6688
Deputy Director, Licensing                 512-834-6690 (fax)
(Texas) Bureau of Radiation Control        wdunn@brc1.tdh.state.tx.us
*********************************************************************

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