shielding

[Chris Alston <alstonc@odrge.odr.georgetown.edu>]

>Date:         Thu, 28 May 1998 22:58:25 EDT
>Reply-To: Medical Physics Mailing List <MEDPHYS@LISTS.WAYNE.EDU>
>Sender: Medical Physics Listserver <medphys@lists.wayne.edu>
>From: Charles Narayanan <Iyer77@AOL.COM>
>Subject:      shielding
>To: MEDPHYS@LISTS.WAYNE.EDU
>
>I have a linear accelerator designed for 2mr/wk shielding criteria. The
>administration wants to know whether they can build an office above the
>ceiling which is also designed for 2mr/wk.
>what other factors will come into play. no skyshine involved at the present
>time. Also is there an instantaneous dose limit involved. In other words can
>one sit above the ceiling 8 hrs/day. Is there anything else I need to worry
>about.The primary barrier thicknesscomes to about 8feet of concrete at the
>present time.I am thinking of using high density(240or 304lbs/c.ft)Any
>thoughts.
>Charles Narayanan.
>
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