Amy,

	We only pH the Reaction Buffer. Our readings are 7.6 +/- .2 as
stated on the package insert.  EZ Prep is detergent, and CC1 lots are
pre-diluted and QC'd by Ventana .

Kris Wright

-----Original Message-----
From: Amy Johnson [mailto:ajohnson@aipathology.com] 
Sent: Monday, October 31, 2005 1:52 PM
To: Histonet (E-mail)
Subject: [Histonet] Ventana Benchmark

Here is a question to all those out there that have a Ventana Benchmark.
We are going to be inspected by CAP sometime next year.  Our lab has gotten
the CAP checklist and one of the questions has to do with pH of any of the
bulk fluids on the Ventana.  Our question to you all is:     Do any of you
routinely pH the EZ Prep, Reaction buffer and the CC1??  I f you do can you
share with us what your ranges are?
Thanks 
Amy Johnson


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