Vaporized Hydrogen Peroxide (VHP) sterilization is an advanced decontamination approach that utilizes hydrogen peroxide vapor to remove microorganisms from surfaces and equipment. The look and advancement of a decontamination cycle usually happens on completion from the OQ. USP3 yet again gives steerage on this topic as does PIC/S6 which https://tailinscitech.wordpress.com/2026/02/09/vhp-sterilization-solutions-by-tailin-bioengineering-protecting-pharma-and-laboratory-environments/