Keywords: OSHA radiation spectrum.jpg electromagnetic spectrum a chart of the different types of electromagnetic radiation ordered by increasing frequency The frequency in hertz is given on the scale at bottom The most familiar form of electromagnetic radiation is visible light center with infrared IR and ultraviolet UV light on either side The higher frequencies of EM radiation right consisting of x-rays and gamma rays are types of ionizing radiation Lower frequency radiation left consisting of light infrared IR microwave MW Radio Frequency RF and extremely low frequency ELF are types of non-ionizing radiation United States Dept of Labor - OSHA - http //iforms osha-slc gov/SLTC/radiation/index html Safety and Health Topics Radiation OSHA Safety and Health Topics 2008-09-26 Public Domain PD-USGov Electromagnetic spectrum |