Radioactive material and radiation emitting devices such as x-ray machines are used in the NIH Clinical Center  for biomedical research in the treatment of patients. As an employee of the NIH Clinical Center, you may come into contact with radiation emitting devices and radioactive material during your daily routine.

This training module is designed to familiarize you with may be used in the various areas and to address specific precautions to minimize exposure to these sources of radiation.

Please note that this module is for information purposes only and is not a substitute for the standardized training courses offered through the NIH Division of Radiation Safety Training Office.

Table of Contents

1. Sources of Radiation in the Clinical Center
2. General Radiation Safety Precautions for Areas Using Radioactive Material​​
3. Emergency Spills and Accidents​
4. Security of Radioactive Materials
5. Biological Effects and Risks of Ionizing Radiation
6. Some Sources of Radiation Exposure in the United States
7. Radiation Safety Training Courses
8. Appendix A: Radiation Terms, Definitions and Units