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Re: HVL for Xe-133

To: radsafe@romulus.ehs.uiuc.edu
Subject: Re: HVL for Xe-133
From: tdc@ehssun.lbl.gov (Ted M. de Castro)
Date: Mon, 12 Jun 1995 08:21:57
In-Reply-To: <9506121419.AA21389@romulus.ehs.uiuc.edu>

>>I have measured values for the HVL of Xe-133 to be ~ 0.25 mm Pb. These
>>were fairly good geometry (come'on guys, now don't go academically 
>>ballistic on me). The 0.4 mm Pb values in print may be conservative due to 
>>the "lawyer" factor.

Not being a CHP I suppose I am NOT qualified to go "academically ballistic" 
but what do you mean by "fairly good geometry"?  If the source is not 
collimated I would expect the HVL to be low!

References:
- Re: HVL for Xe-133
  - From: "Donald Haes, CHP" <HAES%MITVMA.bitnet@vmd.cso.uiuc.edu>

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