In further answer to Andy McKean's query, this MAY be related to issues regarding Legionella. It is a mandate that any and all recirculating water systems and / or storage systems be equipped with UV sterilisers to ensure that Legionella bacterium are eradicated. Graham Naisbitt Concoat Ltd Email: [log in to unmask] Alasan House, Albany Park Tel: +44 (0)1276 691100 Camberley, Surrey GU15 2PL UK Fax: +44 (0)1276 691227 -----Original Message----- From: TechNet Mail Forum On Behalf Of Andy RJ McKean Sent: Thursday, August 14, 1997 10:47 AM To: [log in to unmask]; [log in to unmask] Subject: Re: [TECHNET] "Leslie O. Connally" <[log in to unmask]>: re: [TECHNET] Micro-organisms in rinses 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 > >