Hi Andy,

        I can confirm that the 1 PPM Iodine had no effect on the many different
PWB products that we built during the timeframe we were using DI water
exclusively. I also believe that Chlorine might work also, but I cant confirm
that.

Regards,

Les Connally
[log in to unmask]

>  From: Andy RJ McKean <[log in to unmask]>, on 8/14/97 9:47 AM:
>  Hi L Connally
>
>  Can you confirm that the use of iodine (even at 1PPM) will have no effect on
>  product contamination.
>
>  Regards
>  Andy McKean
>  [log in to unmask]
>
>   -----Original Message-----
>  From:   mailnet
>  Sent:   Thursday, August 14, 1997 9:21 AM
>  To:     Andy R.J. McKean
>  Subject:        "Leslie O. Connally" <[log in to unmask]>:  re:
>  [TECHNET] Micro-organisms in rinses
>
>  From:  "Leslie O. Connally" <[log in to unmask]>
>   Hi A. McKean,
>
>          I'm not sure as to how to measure it, but about 1 PPM of Iodine in
>  the
>  water will kill most of the Microorganisms. We used this to kill algae in DI
>  Water.
>
>  Regards,
>
>  Les Connally
>  [log in to unmask]
>
>  >  From: Andy RJ McKean <[log in to unmask]>, on 8/14/97 9:05 AM:
>  >  Looking for info. on the effects and measurables of micro-organism growth
>  in
>  >  rinse water.  We have had a supplier mention this as a new problem
>  occuring
>  >  in Europe.
>  >
>  >  A. McKean
>  >
>  >
>
>