USP3 and PIC/S5 listing additional things to get completed inside the OQ like cleansing and leak tests. Decontamination cycle improvement occurs once the completion of the OQ and is particularly reviewed in detail in area 6. The VHP decontamination cycle requires four principal measures: Conditioning, Gassing, Decontamination, and Aeration. https://tailinscitech.wixsite.com/tailinscitech/post/vhp-sterilization-solutions-by-tailin-bioengineering-protecting-pharma-and-laboratory-environments