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Re: Radium (was: Fernald Leak)
- To: radsafe <radsafe@romulus.ehs.uiuc.edu>
- Subject: Re: Radium (was: Fernald Leak)
- From: RLHALSEY <rlhalsey@bechtel.com>
- Date: Thu, 02 Jan 1997 15:17:00 -0500 (EST)
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Previous discussion:
>>Help! I've done something wrong here:
>>
>>(roughly) 20,000,000 lb x 500 g/lb = 10 x 10^9 g ?
>>4.5 x 10^9 uCi / 10 x 10^9 g = .45 uCi/g ? lower than dirt?
>
>Now I'm confused. Dirt has more than .45 uCi/g radium?
If I may be the first to jump on this one; the math is correct. But the
Ra-226 background is 1.0 pCi/g in dirt. (US national average = 1.0 +/- 0.83
pCi/g from ORNL/TM-7343, "State Background Radiation Levels: Results of
Measurements Taken During 1975-1979.")
Roger Halsey,
Bechtel Systems and Infrastructure, Inc.
(No opinions, Standard disclaimers)