Re: NVLAP/DOELAP

[gu9@ornl.gov (Robert J. Gunter)]

John,

PNL uses Am-241 to deliver dose for the Category IIIB Low-Energy Photons (X
Ray) - Plutonium Environments.  This source is used for the Monoenergetic 55
to 65 keV.

Listed in the Department of Energy Standard for the Performance Testing of
Personnel Dosimetry Systems (DOE/EH-0027) are C_x factors for each of the
DOELAP sources.  Here is one for X-Ray techniques designed to be at the same
energy.

K-Fluroescence X-ray Techniques         Shallow C_x             Deep C_x
Energy = 58 keV                                         1.47
1.54

These numbers appear to be for the X-Ray technique.  Give the folks at PNL a
call to find out what they use for Am-241, probably pretty close.

Rob Gunter

>
>Thanks to those who responded to my query on rad waste.
>
>A question for any dosimetry gurus out there.  What is the Cx or Ck value for
>Am-241 x-rays in the ANSI N13.11 world?  I realize that Am-241 is not a NVLAP
>source, but I am trying to convert some DOELAP style irradiations to the ANSI
>values.  I have the proper values for the standard beams, but the AM-241 is
>lacking.
>
>Thank you.
>
>John Zummo, RSO
>Genentech, Inc.
>zummo@gene.com
>
>
>
Robert J. Gunter
Lockheed Martin Energy Systems, Inc.
Oak Ridge National Laboratory
P.O. Box 2008 
Bldg: 105MIT Mail Stop 6494
Oak Ridge, TN 37871-6494
PH:  (615) 576-6317
FAX: (615) 576-8593
email: gunterrj@ornl.gov