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Answer to Question #2390 Submitted to "Ask the Experts"Category: Policy, Guidelines, and Regulations — Radiation Safety Issues The following question was answered by an expert in the appropriate field: Q
What is the acceptable method, if any, of carrying check sources, such as 230Th, 99Tc, and 137Cs (less than 7uCi), when traveling by airplane? The 230Th and 99Tc sources are plated on stainless steel, and the 137Cs is encapsulated in a plastic "button." This is a typical set used to check survey instrument response.
A
There is no specific acceptable method for carrying check sources on airplanes. The consensus is that the person should be prepared to demonstrate to security personnel that he or she is a legitimate possessor of these materials. Perhaps a letter indicating that the sources are used as part of the person's work or a copy of the shipping documents from the manufacturer with the company name may be useful and should be carried with the sources. Suggestions also include calling ahead and asking the airports to be visited what their policy is regarding such sources, and possibly calling the airline to ask about its policy. It should not be a problem, provided that the person is able to demonstrate, if challenged or if required by airport policy to declare the sources, that the reason for having the sources is a legitimate one and that they are not stolen or being smuggled for illegal purposes. That should not be too hard to do if the person is prepared beforehand to do so.
Sami Sherbini, PhD NRC
Answer posted on 17 June 2003. 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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