Potential sources of radioactive material can be located in:

The answer identifies that potential sources of radioactive material can be found in various environments, including laboratories, agricultural sectors, and manufacturing plants. Each of these areas has legitimate reasons for using radioactive materials.

In laboratories, radioactive isotopes are often used for research purposes, including medical and scientific research. In agriculture, certain radioactive materials can be utilized for irradiating food to prolong shelf life or through radiation for pest control. Manufacturing plants may use radioactive materials for gauging purposes, such as measuring thickness or density in industry processes.

Recognizing that radioactive materials have diverse applications across multiple sectors highlights the importance for emergency responders to be aware of the potential presence of these materials in various environments. This comprehensive understanding equips responders with the knowledge to anticipate and manage incidents involving radioactive materials effectively.