Risk Analysis for Nuclear and Radioactive Materials Used in Research Institutes

There is a wide variety of radioactive materials being used in educational institutions for training and research. The Physical Protection System (PPS) is designed to prevent and eliminate threats to nuclear materials and facilities. An Adversary Sequence Diagram (ASD) evaluates threat pathways to test the adversary effect. The evaluation process is carried out using the single path computer model EASI (Estimate of Adversary Sequence Interruption), for the determination of the probability of interruption (PI) as a first metric of the PPS effectiveness. The probability of Neutralization (PN) is computed by the neutralization analysis module as a second metric of PPS effectiveness. The probability of detection, mean delay time, communication and response force action are measured along a specific path of the adversary. The study is being done primarily for Amity Institute of Nuclear Science & Technology (AINST), Amity University, India research laboratory with the help of simulations to understand the performance of our PPS. The method is user friendly and generalized model can be applied to other similar facilities with different ASD by adding certain modifications to the input parameters. The calculated values of Risk were found acceptable and need to be calibrated further.