RE: Th-228/Th-232

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

Have not found any evidence of Ra-228 extraction or operational use in the

facilities, just Thorium.



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:	Bauman, Rodney L. (84U)  [SMTP:84u@BECHTELJACOBS.ORG]

> Sent:	Wednesday, April 25, 2001 10:08 AM

> To:	radsafe@list.vanderbilt.edu

> Subject:	RE: Th-228/Th-232

> 

> 

> Is it possible that you're dealing with source of radium waste extracted

> from thorium ore that hasn't yet completely decayed away?  The Ra-228

> waste

> stream, after ~ 14 years, would contain an equal amount of Th-228

> activity.

> Of course, the entire stream will decay away at Ra-228's 6.7 year half

> life.

> But, if this stuff was created less than 40 years ago, it could be a

> source

> of Th-228, absent its ultimate Th-232 parent.

> 

> Rodney Bauman, CHP, RRPT

> 84u@bechteljacobs.org

> 

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