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Dosimeters and Phantoms

Does anyone out there know of a paper, article, or other reference 
regarding the relative response of a dosimeter or other dose measuring 
instrument when backed by the following phantom types:

ICRU Sphere

PMMA Solid Phantom 30X30X15 cm

ISO Phantom:  PMMA filled with water, above dimensions for perimeter, 
2.5mm PMMA on the front face, 10mm PMMA for the other sides.

I am trying to get a number to use for measuring deep dose H(10).  I 
have data using the solid PMMA and want to get a number to compare it 
with the other two geometries.



Robert J. Gunter, M.Sc. 
Health Physicist
ICN Pharmaceuticals, Inc.
ICN Plaza
3300 Hyland Avenue
Costa Mesa, CA  92626
Ph:  800 548-5100 X 2414
     +714 545-0100 X 2414
Fax: +714 668-3149
Email: rgunter@icnpharm.com

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