RE: Class Y Uranium Chemotoxity?

["Tim Gillespie" <tgillespie@sec-tn.com>]

Yes. That is the source. Try: http://tis.eh.doe.gov/whs/rhmwp/ts.html

Tim Gillespie, CHP
SEC Program Technical Manager
Phone:	241-9384
Page:  	873-0642
Cell:  	548-9836


> -----Original Message-----
> From: radsafe@romulus.ehs.uiuc.edu
> [mailto:radsafe@romulus.ehs.uiuc.edu]On Behalf Of Rodney Bauman
> Sent: Thursday, January 18, 2001 8:15 AM
> To: Multiple recipients of list
> Subject: Class Y Uranium Chemotoxity?
>
>
>
> Tim and fellow Radsafers:
>
> -----Original Message-----
> From: Tim Gillespie [mailto:tgillespie@sec-tn.com]
> Sent: Wednesday, January 17, 2001 3:52 AM
> To: Multiple recipients of list
> Subject: RE: Request for Info on DU Munitions: Useful(?) Information
>
> "For class "Y" Uranium, chemotoxicity is the limiting toxicity below 0.82%
> enrichment. Therefore, chemotoxicity prevails for DU."
> _______
>
> This is an interesting deviation from past guidance (e.g, HP
> Manual of Good
> Practices for Uranium Facilities, Table 2-12, and 10CFR20, App B, Footnote
> 3).  It has always been the presumption that Class Y uranium's
> radiotoxicity
> always dominated its chemotoxicity, even at the specific activity of
> depleted uranium.  What is even more interesting is that 0.82% is greater
> than natural/normal abundance.  Is this from DOE-STD-1136-2000?  I don't
> have a copy and was unable to locate it on the DOE TIS website.
> Do you have
> any suggestions on where I can obtain a copy?
>
> Thanks for any insight,
>
> Rodney Bauman, CHP,RRPT
> rbauman@wssrap.com
>
>
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