Radiation Symbol. Unless otherwise authorized by the Director, the symbol
prescribed by 10 CFR 20.1901
,(2010), which is incorporated by reference, shall
use the colors magenta, or purple, or black on yellow background. The symbol
prescribed is the three-bladed design as follows:
(a) Cross-hatched area is to be magenta, or
purple, or black, and
background is to be yellow.
Exception to Color Requirements for
Standard Radiation Symbol. Notwithstanding the requirements of
CFR 20.1901(a), (2010)
which is incorporated by reference, licensees or registrants are authorized to
label sources, source holders, or device components containing sources of
radiation that are subjected to high temperatures, with conspicuously etched or
stamped radiation caution symbols and without a color requirement.
(3) Additional Information on Signs and
Labels. In addition to the contents of signs and labels prescribed in Rule
R313-15, the licensee or registrant shall provide, on or near the required
signs and labels, additional information, as appropriate, to make individuals
aware of potential radiation exposures and to minimize the exposures.