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New concerns about nonionizing radiation.
Occup Hazards 1989 Aug; 51(8):41-43
A brief discussion was presented of the occupational hazards associated with various types of nonionizing radiation including radiofrequency (RF) radiation, visible radiation, ultraviolet (UV) radiation, infrared (IR) radiation, lasers, and video display terminal (VDT) radiation. The electromagnetic spectrum was depicted. About 250000 workers were estimated to be exposed to the RF radiation from dielectric heaters. In addition to widely recognized shock and burn hazards of RF heaters, there has been some evidence suggesting that RF radiation induced such chronic health effects as malformations and teratogenesis during gestation. Visible radiation was postulated to have deleterious effects on workers' psychology with quality of and increased exposure to artificial illumination possibly affecting hormone production and circadian rhythm cycles in workers. The most prominent source of UV radiation has been the sun, with deleterious effects on outdoor workers. IR radiation sources included any high temperature process. Lasers, in addition to a thermal threat to the eyes and skin, presented the danger of electrocution from their electrical power supplies. There has been continuing concern over the possible linking of VDT radiation with reproductive health hazards, however, definitive laboratory and human epidemiological studies have been lacking in this area.
NIOSH-Author; Electromagnetic-radiation; Occupational-hazards; Video-display-terminals; Radiation-exposure; Industrial-hazards; Radiation-hazards; Worker-health; Nonionizing-radiation
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Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division