[ RadSafe ] RE: 20 uCi Radium Check Sources

alstonchris at netscape.net alstonchris at netscape.net
Fri Aug 18 12:38:23 CDT 2006


Ra/Rn is alpha emitter.  Capsules can rupture as a result of the buildup of helium therein.  Note that the Ra-226 inhalation ALI is 0.6 uCi (FGR 11).


"Syd H. Levine" <syd.levine at mindspring.com> wrote:

>I have an opportunity to acquire two 20 microcurie Radium API traceable 
>calibration sources, but I am concerned about the Radium content.  Can some 
>of you experts educate me on why a small sealed Radium source is such a big 
>deal?  I am told there are regulatory concerns, and I am told that disposing 
>of these puny little 20 microcurie sources could cost many thousands of 
>dollars.  I am also told that the Radon produced inside the source capsule 
>could cause leakage; is there any truth to this last concern.
>Thanks in advance for any information you may be able to offer.
>Syd H. Levine
>AnaLog Services, Inc.

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