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Re: =?DIN_66003?Q?International_use_of_radiation_symbol?=



The trefoil radiation symbol is generally taken as the universal symbol for 
ionizing radiation.  It is specified for international shipments by the 
International Air Transport Association.  Hence, it should NOT be used for 
nonionizing radiation, and, in some cases may result in a violation. 
 
The opinions expressed are strictly mine. 
Here's to a risk free world, and other fantasies. 
 
Bill Lipton 
liptonw@detroitedison.com 





We have a non-US partner in a project who wants to use the radiation
trefoil symbol, or "standard radiation symbol", to denote nonionizing
radiation hazards. Are there any international guidelines, IAEA or
otherwise, for the use of the trefoil symbol? Is it common practice in
other countries to use the trefoil for nonionizing radiation?

Bruce Pickett
The Boeing Company
Seattle, Washington, USA
(425)393-3098, FAX (425)393-3060
bruce.d.pickett?boeing.com