Amy,
if you are a clinical lab and not research, CAP requires 10 years on blocks, 
slides and now positive control slides, two years on QC records, log books 
and requisitions.

JTT
----- Original Message ----- 
From: "Amy Lee" 
To: "histonet" 
Sent: Thursday, August 02, 2007 2:27 PM
Subject: [Histonet] How many years you keep paraffin blocks and slides?


> Hello histonetters,
>
>  Due to the limited space of my lab I need to discard some blocks and 
> slides. I am thinking setting a "rule" about how long I can keep paraffin 
> blocks and slides. I need to know how other people do it. Could you share 
> your "rules"?
>
>  Thanks in advance,
>  Amy
>
>
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