Holly,

We perform testing on each product.  We have found that even very small
changes in a products formulation can have a profound effect on
antimicrobial efficacy.

Warren

> -----Original Message-----
> From: Holly Erickson [SMTP:[log in to unmask]]
> Sent: Friday, July 16, 1999 6:31 PM
> To:   [log in to unmask]
> Subject:      [PMFLIST] Matrixing Samples for Antimicrobial Effectivness
>
>     Colleagues,
>     For those of you performing Antimicrobial Effectiveness Testing, I'd
> like to
>     take a poll:
>
>     Do you perform AET on each product?
>     Or do you allow the results for one product to represent other
> products with
>     equivalent matrices?
>     Have you had any discussion with FDA on this issue?
>
>     Any info on the subject would be appreciated!
>
>     Holly Erickson
>     Chiron Corporation
>
>
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