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Re: Uranium in Tailings of today
All
If the Ra-228 is seperated from the Th-232 by environmental processes the
resulting concentration of Th-228 will be above that for Th-232.
John R Johnson
IDIAS, Inc.
4535 West 9th Avenue
V6R 2E2
Vancouver B. C.
(604) 222-9840
e:mail: idias@interchange.ubc.ca
or most mornings
Safety Group
Stores (Safety Annex)
TRIUMF
4004 Wesbrook Mall
(604) 222-1047 ext 6610
Fax. (604) 222-7309
email: johnsjr@triumf.ca
----- Original Message -----
From: Redmond, Randy R. (RXQ) <RXQ@Y12.doe.gov>
To: <BLHamrick@AOL.COM>; <radsafe@list.vanderbilt.edu>
Sent: Wednesday, April 25, 2001 5:03 AM
Subject: RE: Uranium in Tailings of today
> While we are on the subject - does anyone know/have any theories why
Th-228
> activity could exceed Th-232 activity without some type of costly
> enrichment?
>
> Randy Redmond
> BWXT Y-12 L.L.C.
> Y-12 National Security Complex
> Radiological Control Organization
> Email: rxq@Y12.doe.gov
> Phone: 865-574-5640
> Fax: 865-574-0117
>
> > -----Original Message-----
> > From: BLHamrick@AOL.COM [SMTP:BLHamrick@AOL.COM]
> > Sent: Tuesday, April 24, 2001 3:10 PM
> > To: radsafe@list.vanderbilt.edu
> > Subject: Re: Uranium in Tailings of today
> >
> > In a message dated 04/24/2001 9:42:26 AM Pacific Daylight Time,
> > g6hxxlim@NWD02.USACE.ARMY.MIL writes:
> >
> >
> >
> >
> > What is the typical Uranium content in byproduct material at U-mills
> >
> > operating today? I know there are several methods and several
> > different
> > ages of facilities so please feel free to give me what you know for
> > a
> > specific facility if need be. Th-232 content would be interesting
> > also. I
> > have limited contacts at these facilities, so if you know of someone
> > who
> > may help please give me the name and number.
> >
> >
> >
> > This question could not have been more timely for me. I am seeking
> > information on the average Th-232 and Ra-228 concentrations in thorium
> > tailings. I'd be interested in hearing the uranium tailings numbers
also
> > for
> > isotopes found in those wastes. All I really want are reasonable upper
> > and
> > lower bounds.
> >
> > Barbara L. Hamrick
> > blhamrick@aol.com
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