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

Smart meters 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.

Return to Frequent Questions about Radiation Sources: Non-Ionizing Radiation.