9/21/2023 0 Comments Define radiant![]() ![]() However, measurements related to ionizing radiation are not usually described in terms of radiant energy. This form of radiation can cause cancer and other illnesses. ![]() Ionizing radiation, such as gamma radiation, can also be described as radiant energy. Industrial lasers also emit a higher-energy form of radiation, and even short lengths of exposure may be sufficient to injure workers if appropriate eye protection is not worn. Any significant length of optical exposure to the high levels of visible radiation emitted by activities such as welding requires the use of mandatory PPE eyewear to prevent eye damage. The non-thermal contexts in which radiant energy plays a significant role are primarily those related to the potential harmful exposure to visible light, including exposure to lasers. Threshold limit values for exposure to environmental heat are described with reference to “wet-bulb globe temperature,” a measurement of apparent temperature that accounts for the role radiant energy plays in producing environmental heat. For example, the temperature experienced by humans (called apparent temperature) is heavily influenced by sources of visible and infrared radiation (e.g., sunlight, fire). Radiant energy is chiefly relevant to occupational health and safety issues involving heat and light.
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