Authorized User: As defined in part by the Nuclear Regulatory Commission, an individual who has completed a minimum of 700 hours of training in a structured educational program consisting of both didactic training and supervised on the job training in radiation physics, instrumentation, radiation protection, chemistry, math and radiation biology. Assays medications to determine identity, purity and strength, performs white blood cell labeling; enters daily elution's, kit preparations, and incoming inventory in keeping with the prescription and Company, State and Federal regulations.