67. Non-ionizing radiation in the workplace – radiofrequency radiation

What is the frequency range of radiofrequency (RF) radiation?

300 Hz to 300 GHz.

Is RF radiation ionizing or non-ionizing?

Non-ionizing.

What are the natural sources of RF radiation?

Earth, human body, and cosmic radiation.

What are common man-made sources of RF radiation?

Radar, microwave ovens, mobile phones, and TV transmitters.

What are the thermal health effects of RF radiation?

Uneven tissue heating, which can lead to localized thermal injury.

What are the non-thermal health effects of RF radiation?

Induced electric currents in tissues, buzzing, clicking, or popping in ears.

Name two main control methods for RF radiation.

Use of shielding materials and restricting close access to RF equipment.