EPA sets protective limits on the radioactivity in soil, water and air that comes from human use of radioactive elements such as uranium.

Cell phones use radiofrequency radiation (RF). The U.S. Federal Communications Commission (FCC) sets exposure limits for RF radiation. FCC works with other federal health and safety agencies to monitor and investigate issues related to RF exposure. To learn more, please visit: Wireless Devices and Health Concerns.

The latest wireless technology is called 5G, which stands for fifth-generation. For information on 5G and health, visit the World Health Organization (WHO) webpage Radiation: 5G mobile networks and health. Exit

Return to Frequent Questions about Radiation Sources: Cell Phones.