(d) In each area or room that contains radioactive materials in excess
of the amount specified by 10 CFR 20.203.
CAUTION
RADIOACTIVE MATERIAL
(2) The laser radiation label and sign formats are for danger and caution
data. In the white area of a danger label is to be a red sunburst for Class 3b and Class
4 lasers. In the yellow area of a caution sign and label only on Class 2 and Class 3a
lasers, the sunburst is to be black. Extending from the center of the sunburst to the
right is a horizontal line. Above the horizontal line of the sunburst, indicate the type of
laser radiation. Below the line, indicate the action to be taken to avoid the hazard.
Along the lower edge of labels, give the laser classification from TB MED 279,
wavelengths, and maximum output power (or energy) of the laser.
Example of label for
Example of label for
Class 3b and Class 4.
Class 2 and Class 3a.
Figure 1-10. Signs and labels for laser devices.
MD0165
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