At 9:55 AM -0500 6/4/04, Tindall, Randy D. wrote:
>I have been trying to find out how other labs handle the problem of
>assigning expiration dates to chemicals used in tissue processing,
>embedding, etc.

Most of our reagents, etc come with expirations dates. When they go 
out of date or if we are using something that does not have an 
expiration date we validate the reagent by using it on a control, 
every 6 months. Typically we do this for expensive reagents, 
antibodies and such.

-- 
_____________________________
Bill Blank
http://kernunnos.com (Celtic studies and numismatics)
OBOD's Message board: http://www.druidry.org/board




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