[ RadSafe ] Disposal via Decay in Storage

[McMahan, Kimberly L.]

Not to be too contrary, but we DO have people walking around "hot." I
suppose it's that age-old difference between the medical definition of
"hot" and everyone else's.  =]

Kim McMAHAN    
Oak Ridge National Laboratory
External Dosimetry    865.576.1566


-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of Baratta, Edmond J
Sent: Thursday, November 10, 2005 10:44 AM
To: 'Cary Renquist'; RADSAFE List
Subject: RE: [ RadSafe ] Disposal via Decay in Storage


Technetium-99m has a six (6) hour half-life.  After sixty (60) hours it
should have decayed away.  This is radiopharmaceutical that is commonly
used.  That's why it is popular, otherwise we would have people walking
around who are 'hot'.

Edmond J. Baratta
Radiation Safety Officer
Tel. No. 781-729-5700, ext 728
FAX: 781-729-3593

This is my opinion and not those of my Agency. 


-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf
Of Cary Renquist
Sent: Wednesday, November 09, 2005 6:02 PM
To: RADSAFE List
Subject: [ RadSafe ] Disposal via Decay in Storage

Quick question:

Is Tc-99m a candidate for disposal via
decay-in-storage?

If so, what would be a acceptable method for
monitoring the decayed material prior to release?

Thanks for any info.
Cary

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