Measurements of UF$sub 6$ cylinders with portable instruments Page: 1 of 39
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AJN ?30G 30 - - 3
MEASUREMENTS OF UF6 CYLINDERS
WITH PORTABLE INSTRUMENTS
R. B. Walton, T. D. Reilly,
J. L. Parker, and J. H. Menzel
Nuclear Analysis Research Group
University of California
Los Alamos Scientific Laboratory
Los Alamos, New Mexico 87544
E. D. Marshall and L. W. Fields
Nuclear Materials Control Branch
Nuclear Materials Management Division
U. S. A. E. C. Oak Ridge Operations Office
Oak Ridge, Tennessee 37830
The applicability of portable instruments
for rapid nondestructive verification of the enrichment
of UF6 in cylinders has been tested on a large number
of types 30- and 5A-cylinders. Three basic techniques
were used: gamma counting with Nal combined with
ultrasonic measurement of cylinder wall thickness,
passive neutron counting, and active neutron interroga-
tion with thermal neutrons from a radioactive neutron
source. The resultinigaccuracies and limitations of
the techniques are presented.
This report was prepared as an account of work
sponsored by the United States Government. Neither
the United States nor the United States Atomic Energy
Commission, nor any of their employees, nor any of
their contractors, subcontractors, or their employees,
makes any warranty, express or implied, or assumes any
legal liability or responsibility for the accuracy, corn-
pleteness or usefulness of any information, apparatus,
product or process disclosed, or represents that its use
would not infringe privately owE :. rights.
Work performed under the auspices of the U. S. Aomic Energy
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Walton, R.B.; Reilly, T.D.; Parker, J.L.; Menzel, J.H.; Marshall, E.D. & Fields, L.W. Measurements of UF$sub 6$ cylinders with portable instruments, report, January 1, 1972; United States. (digital.library.unt.edu/ark:/67531/metadc1032400/m1/1/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.