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Re: Use of unsealed thorium
In the military, (and I'm sure a number of civilian manufacturers) we use Mg-Th
and Ni-Th in turbines and missile components. We also machine the components
which has led to airborne Th problems. Th is also used in manufacture of some
lenses. A friend is currently working on the clean-up of a thorium solution
spill. I am sure there are a number of other uses. (Mantle manufacture comes to
mind). Luke McCormick c0etxlim@mrd42.mrd.usace.army.mil
>
> Radsafers:
>
> The NRC issued Information Notice 96-18: "Compliance with 10 CFR Part 20
> for airborne Thorium". This Notice deals with unsealed thorium airborne
> problems NRC inspectors encountered during inspections at 120 licensees. My
> question is who uses unselaed thorium and for what purpose? Thanks in
> advance for your response.
>
> Tony Hedges
> RPT
> loui19@vcomm.net
>