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Sections 4.33 to 4.36 of the 2022 edition of EU GMP Annex 1 focus on cleaning and disinfection. In this GMP blog, we look at cleaning and disinfection techniques.
For effective cleaning, the application technique is important. Wiping strategy includes the applied pressure force, wiped surface area, the geometry of the mechanical action, the number of passages. Each of these is influenced by the presentation.
There are five primary means of application:
Spray, with no wiping
Spray and wipe
Dip and wipe
Soak and wipe
Pre-saturated wipes or mop heads
Based on the above, the cleaning technique used for cleanrooms should be defined and standardised. It does not matter how effective the cleaning agents selected are if the cleaning technique practised by cleanroom operators is poor.
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