The Biological Stain Commission has performed a stability study on dye
powders and found that dye powders kept in closed containers stained well
after over 30 years of storage.  Solutions of course are a different story.

-----Original Message-----
From: Heckford, Karen - SMMC-SF [mailto:Karen.Heckford@CHW.edu]
Sent: Wednesday, October 26, 2005 1:57 PM
To: 'histonet@lists.utsouthwestern.edu'
Subject: [Histonet] Expired Stains


Hi Everyone,  I was wondering if anyone knows how JCAHO views expired
Special Stains.  I have some expired Special Stains.  We do low volume,
trying to use up some stains before they expire can be difficult.  I can
still get the stains to work and the Pathologists like them.  Should I throw
them away and order new?  As you know the stains can be costly.  
Thanks for your input,
Karen Heckford	
St. Mary's Medical Center
San Francisco, California


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