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Answer to Question #1099 Submitted to "Ask the Experts"Category: Policy, Guidelines, and Regulations The following question was answered by an expert in the appropriate field: Q
Would you show me the radiation warning symbol which is in normal use nowadays.
A
The standard radiation symbol, as used by those in the regulated
community, and prescribed by Title 10, Code of Federal Regulations,
Part 20 (10 CFR 20), uses the colors magenta or purple or black on a
yellow background. The symbol required by these regulations is a
three-bladed (tricorn) design, as illustrated on the U.S. Nuclear Regulatory Commission (NRC) Web site.
As illustrated on this design, the cross-hatched area is to be magenta
or purple or black and the background is required to be yellow.
More information about the use of this radiation symbol can be found on the NRC home page and information about 10 CFR 20 can be found on another part of the NRC Web site. Cynthia Jones
Answer posted on 2 August 2001. The information and material posted on this Web site is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Web site. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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