[ RadSafe ] Re: radsafe Digest, Vol 182, Issue 2 [SEC=UNCLASSIFIED]

[Peter Thomas]

See http://physics.nist.gov/PhysRefData/XrayMassCoef/ComTab/concreteba.html

(hope that link didn't truncate or wrap)

Peter Thomas
ARPANSA



-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On Behalf Of Jesús Fernández
Sent: Thursday, 29 January 2009 8:13 PM
To: radsafe at radlab.nl
Subject: [ RadSafe ] Re: radsafe Digest, Vol 182, Issue 2


Dear colleagues,

I am looking for information about TVLs values for baryte concrete used for Linac radiotherapy bunker constructon. The NCRP-151 and other publications gives values only for ordinary concrete. I know that I can do a conservative estimation from the ratio of the densities (ordinary vs baryte), but I would like to do a more optimized calculation. I will be very grateful if you could give me or point me to values of baryte concrete TVLs for direct and scattered radiotherapy Linac X radiation.

Best regards from Barcelona

Jesús

ACPRO, S.L.
http://www.acpro.es

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