This study guide presents fundamental information intended to assist the candidate preparing for the ASNT Industrial Radiography Radiation Safety Personnel (IRRSP) examination. This book includes radiography history, radiation fundamentals, certifcation requirements, biological effects of radiation exposure, controlling radiation exposure, detection and measurement of radiation, gamma radiography equipment, and operation, emergency, and transportation procedures. Pertinent USNRC information (forms, publications, regional offices, agreement states, etc.) is also included.