USP3 and PIC/S5 record added objects for being concluded within the OQ which include cleansing and leak testing. Decontamination cycle advancement takes place following the completion in the OQ which is talked over in detail in segment 6. In Health care, VHP sterilization is used for decontaminating functioning rooms, https://vhp-sterilization24465.mywikiparty.com/2197991/not_known_details_about_vhp_sterilization_process