Our testing is comprehensive and designed to satisfy the requirements of US, UK and European regulatory authorities, including ICH Harmonised Tripartite Guideline 'Stability Testing of New Drug Substances and Products Q1Aand ICH Harmonised Tripartite Guideline 'Stability Testing of Biotechnological / Biological Products Q5C For humidity measurement we use either a sensor connected directly to the Validator 2000 which is calibrated on site using traceable salts, or alternatively a stand alone certified humidity logger