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Gamma Attenuation by Asphalt



Hello all:

To supplement some calculations, we are looking for references/data on the
gamma attenuation ability of standard asphalt.   Direct measurement data,
particularly related to the natural thorium and uranium series, would be
specifically useful.

You may respond directly to the undersigned.  Thanks for your time.


Leo M. Lowe, Ph.D.
Associate, Senior Health and
Environmental Physicist

SENES Consultants Limited
121 Granton Drive, Unit 12
RICHMOND HILL, Ontario
Canada L4B 3N4
Tel:  (905) 764-9380
Fax:  (905) 764-9386
Email Address:  llowe@senes.on.ca
Web Site:  http://www.senes.on.ca/
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