Re: x-ray shielding

["Sandy Perle" <sandyfl@ix.netcom.com>]

> In order to protect the other individuals in the room ( a large bay area
> housing other equipment for experimental research) I am considering using
> the 100 mrem/yr limit to determine the thickness of lead to place around
> the device - instead of the 100 mrem/wk for the occupational worker.

If the individuals are "occupational workers" , using the 100 mrem/yr 
is extremely conservative. Other than that, it's only a matter of the 
amount of shielding you want to provide, considering distance and 
occupancy factors, of course.

------------------
Sandy Perle
Technical Director
ICN Dosimetry Division
Costa Mesa, CA 92626
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