RE: Heavy concrete info

[Gerald.P.Lahti@ucm.com]

Check the Mid-March 2000 Nuclear News Buyers guide, pages 145 and 146.
Nuclear Shielding Services and Supplies in Tucson AZ is one that can help
you out.
Talk to MS Chopra.  The phone numbers from the buyers guide are (800)
528-7086  or (520) 748-0405

* * * * * * * * * * * * * * * * * *
Jerry Lahti
Radiological Safety Specialist
ComEd - Downers Grove
(630) 663-6659
gerald.p.lahti@ucm.com
* * * * * * * * * * * * * * * * * * 

> -----Original Message-----
> From:	vylet001@mc.duke.edu [SMTP:vylet001@mc.duke.edu]
> Sent:	Tuesday, March 28, 2000 1:25 PM
> To:	Multiple recipients of list
> Subject:	Heavy concrete info
> 
> 
> 
> Hello radsafers,
> 
> I have designed a shielding enclosure specifying "heavy concrete", with a
> density of ~3.2 g/cc rather than 2.35 for ordinary concrete. Our
> construction
> people have no idea where to get this product. It seems that heavy
> concrete
> can be mixed by adding magnetite or barytes to normal concrete (see
> Chilton
> et al., "Principles of Radiation Shielding"). Are there suppliers that can
> provide a mixture in the right proportions? I would appreciate any
> information
> and pointers.
> Thank you in advance
> 
> Vashek Vylet
> 
> -----------------------------------------------------------
> Vaclav "Vashek" Vylet                   Phone: 919-684-2194
> Radiation Safety                          Fax: 919-684-2422
> OESO/DUMC Box 3155            e-mail: vashek.vylet@duke.edu
> Duke University
> Durham, NC 27710, USA
> 
> 
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information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html