RE: Uranium in Tailings of today

["Redmond, Randy R. (RXQ) " <RXQ@Y12.doe.gov>]

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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