Re: shielding of a accelerator facility

[David W Lee <lee_david_w@lanl.gov>]

Carmen:  Check "Health Physics" April 1992,
Vol. 62, No. 4, pp. 359--362.  Best regards  David


At 04:15 AM 04/07/2000 -0500, you wrote:
> Hello,
>
> Does anybody know of any problem in having a 18MV accelerator for
> radiotherapy treatments in a bunker (shielded room) whose walls are
> made of lead + concrete?. That is, neutrons get first to the lead
> shield
> and then to the concrete, and not the other way round, which is 
> most
> common among shielded bunker doors (in fact neutrons and fotons get
> first to a paraffin layer and then to the lead).
>
> Thanks in advance.
>
> Carmen Conte
> cconte@correu.gencat.es
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DAVID W. LEE, CHP
Los Alamos National Laboratory
Radiation Protection Services
Radiological Engineering Team Leader
ESH-12, MS K483
Los Alamos, NM  87545
PH:   (505) 667-8085
FAX:  (505) 667-9726
lee_david_w@lanl.gov