This topic is designed to provide information for the beginner and the intermediate level person seeking further details into the Radiation sterilization process. The training starts with the fundamentals of testing involved in radiation validations including the necessary key terms and definitions and an overview of bioburden and sterility testing. The training then describes the common validation approaches The different types of methods for doing radiation sterilization including VD Max, Method 1 and Method 2 are discussed in detail. Lastly the topic covers several other key concepts involved with radiation sterilization.