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Re: Cerium Compounds

Back when I was doing aerial survey work I did a survey of the RMI facility
up in Ashtabula, Ohio.  Next door to the RMI facility was a facility where
they were processing ilmenite.  The shine from that facility made surveying
the RMI facility very difficult.  If I remember correctly it was mostly due
to thorium in the ilmenite, which was the problem.

George Harder <gharder@nervm.nerdc.ufl.edu> on 04/27/98 02:47:48 PM

Please respond to radsafe@romulus.ehs.uiuc.edu

To:   Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
cc:    (bcc: Raymond A Hoover/TOBEOR/LMITCO/INEEL/US)
Subject:  Re: Cerium Compounds

>My intention was to try to find manufacturers of this material and see
>how much background radiation there would be in their plants
>(this is a very fine powder), but never got around to this.

        FYI - I was commissioned to do a study at a monazite facility.  The
processing of ilmenite and zircon had virtually no radioactivity.  The
monazite was hot but restricted to a small portion of the plant.
- George Harder (gharder@perma-fix.com)
There are 3 kinds of people: those who can count & those who can't.