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Re: NCRP 49 Occupancy Factors

To: radsafe@romulus.ehs.uiuc.edu
Subject: Re: NCRP 49 Occupancy Factors
From: Chris Hawkins <chawkins@inet.guthrie.org>
Date: Thu, 21 May 1998 14:50:19 -0400
Organization: Guthrie Clinic / Robert Packer Hospital
References: <356472A0.20EB@mmm.com>

> While reviewing NCRP 49, Structural Shielding Design and Evaluation for
> Medical Use of X Rays and Gamma Rays of Energies up to 10 MeV, Table 4 -
> Occupancy factors for non-occupationally exposed persons, I developed
> the following question.
>
> What is the difference between a "rest room" (T=1/4) and a "toilet"
> (T=1/16)?

I have always assumed an occupancy of 1/16 if there was ONLY a toilet and
sink.

A magazine rack makes it a rest room :)


--
Chris Hawkins
Radiation Oncology
Guthrie Clinic - RPH
Sayre, PA   18840
717.882.4048/5166(fax)
mailto:chawkins@inet.guthrie.org

References:
- NCRP 49 Occupancy Factors
  - From: malewandowski1@mmm.com

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