What is he ideal time for water system revalidation? Also, after revalidation, whether phase 1 and phase 2 needs to be carried out again or not?
As such revalidation of purified water system not required, it shall be supported by validation review considering the review of change control, deviations and maintenance activities.
But if you are going to change any component of water system and which will have impact in quality of water shall be monitored for 1-2 weeks for physical, chemical and microbiological from point of generation, distribution and return…
Thanks
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