Test and evaluation of item control technology. Final report Page: 1 of 5
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FINAL REPORT on TASK 003 (item 3.4)
of SUBCONTRACT 6251]U0005-35
WIth th USA Los Alamos National Laboratory
"Test and Evaluation of Item Control Technology"
For the period at he IPPE's BFS facility (Obninsk, Russia) the
followings work was carried out on the Task 003 of the subcontract
625UU005-35 with the USA Los Alamos National Laboratory:
1. Methods and concepts of Item Control Technology having in
LANL and SNL were examined, review report on the problem was
prepared.
2.The BFS plutonium and highly enriched uranium disks in the form
of metal and dioxide are nuclear materials accounting items. Total
number of such items at the BFS facility is approximately equal to
70.000.2.1. The BFS item control identification is carried out taking into
account following indications:
-mark made on a disk stainless steel cladding;
-individual manufacturer's number made on disk cladding (and disk core);
-reaction of IDEM device identifying nuclear materials type;
-passport weight characteristics (in the KNP's in nuclear materials vault
and BFS-1 and BFS-2 facilities electronic balance of PM-600 type are
installed, delivered from LANL and user for disks weighing in the case of
PIT);
-isotopic composition measurements by U-Pu Inspector (delivered from
LANL) and nuclear material NDA mass measurements by Coincidence
Counter (delivered from LANL).
2.2 After studying and testing of different methods and technologies
of putting marks on nuclear material item dummies (satisfymg the
requirements of their using in the BFS cores), it was decided, together ith
USA Oak Ridge national Laboratory specialist, that such marks will be
placed on item cladding axial surface. As marks with information on v
nuclear material type and manufacturer number, bar codes used after
preliminary putting thin layer of aluminum oxide on a mark place. The job
of placing bar codes on test batch of 50 items according to the chosen
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Dvukhsherstnov, V. Test and evaluation of item control technology. Final report, report, March 1, 1998; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc702831/m1/1/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.