nonionizing radiation


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nonionizing radiation

Abbreviation: NIR
Electromagnetic radiation that does not readily ionize atoms such as that in visible light, ultraviolet light, infrared light, microwaves, ultrasound, and radiofrequency emissions.
See also: radiation
References in periodicals archive ?
During the presentation of the integumentary system, concerns about the physical risk factor, nonionizing radiation, and chemical risk factors, due to frequent skin contact with metals, were focused upon.
MW, as nonionizing radiation, interacts with matter by different physical action, interaction, that is related to their physical parameters: frequency, polarization, modulation, power density, field uniformity, and temperature.
This report addresses systems using ionizing radiation, but also describes briefly some systems under consideration that utilize nonionizing radiation sources.
A second proposal is that nonionizing radiation can produce deleterious chemical reactions.
Finally, Mogensen presents persuasive proof that electromagnetic fields, which generate nonionizing radiation, cause sever health problems, such as infertility, and a higher incidence of birth defects, stillbirths, and miscarriages among women who work on VDTs.
We humans and all life on earth are involved in electromagnetic, electric, and magnetic fields and in a little over 100 years, we have increasingly been "bathed" in man-made fields from nonionizing radiation such as radio frequency (RF) to ionizing radiation such as X-rays.
The (University of Washington) training course manual provides an introduction to nonionizing radiation, including both hazards and controls.
Many situations, however, focus on exposures, such as nonionizing radiation, for which firm evidence of carcinogenicity is lacking at any dose.
It's a disorder due to a physical agent: nonionizing radiation. A sun-related illness such as sunburn or heatstroke would be recorded in column (7)(e) of the OSHA log.
Response to the studies is flowing from several sectors, including Massachusetts Institute of Technology, which will offer a practical course on the hazards and measurement of nonionizing radiation in August.
Theoretically, they're considered sources of nonionizing radiation, just like any FM radio, or microwave oven we use in the house.
Microwave is a nonionizing radiation and shows less toxicity than chemotherapy and radiotherapy in cancer patients.