RE: Specific Activity of Uranium

[Craig Reed <CReed@novoste.com>]

Jim's correct.  The value 144.52 should be micrograms. 

Craig Reed
creed@novoste.com

> -----Original Message-----
> From:	james.g.barnes@att.net [SMTP:james.g.barnes@att.net]
> Sent:	Wednesday, March 24, 1999 7:44 PM
> To:	Multiple recipients of list
> Subject:	Specific Activity of Uranium
> 
> Good afternoon, everyone:
> 
> While working with HPS N13.22-1995 (Bioassay Programs 
> for Uranium), I noticed that Table C.1 lists the specific 
> activites of various uranium enrichments as 
> dpm/m(milli)g.  Some matchbook calculations suggest 
> that the Table caption should be dpm/u(micro)g.
> 
> Specifically, the specific activity of 93% enriched U 
> shows an activity of 144.52 dpm/mg for U-234.  That seems  
> a bit low.
> 
> Is there a typo in this table?
> 
> Jim Barnes, CHP
> Radiation Safety Officer
> Rocketdyne / Boeing
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