USP3 and PIC/S5 list further items to get completed from the OQ like cleaning and leak testing. Decontamination cycle growth occurs after the completion on the OQ and it is discussed in detail in portion 6. The VHP decontamination cycle requires four principal actions: Conditioning, Gassing, Decontamination, and Aeration. https://tailinscitech.mystrikingly.com/blog/vhp-sterilization-solutions-by-tailin-bioengineering-protecting-pharmaand