What is the difference between the clean up period according to Annex 1 and the recovery time according to ISO 14644-3?

03.07.2023

Question of the Week

The clean up period corresponds to the time required to get from the "in operation" state to the "at rest" state. The recovery time is the time required to reduce the (artificially introduced) particle concentration down to 1% of the starting value.

[GMP Compliance Adviser, Chapter 3.l]

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