This course provides a general understanding of Naturally Occurring Radioactive Materials (NORM) in the petroleum industry. Because NORM contamination is so widespread in the petroleum industry, all personnel should be informed of the potential hazards associated with NORM exposure. The course examines the origins of NORM in reservoir formations and the processes whereby these materials are produced at the wellsite. The course explains NORM contamination in oil and gas production facilities as well as radon contamination in natural gas facilities. Animated graphics of the depositional processes help students visualize the sequence of events.