USP3 and PIC/S5 list supplemental items for being accomplished in the OQ which includes cleaning and leak screening. Decontamination cycle advancement takes place once the completion of the OQ and it is mentioned intimately in section 6. The VHP decontamination cycle consists of four primary actions: Conditioning, Gassing, Decontamination, https://socialbuzztoday.com/story6916725/vhp-sterilization-an-overview