only uranium while the second inventory had many mixtures of uranium and plutonium. The only calibration standards …The two new shufflers at Los Alamos National Laboratory (LANL) have been used on uranium inventory items that could not … available were uniformly shaped cans of uranium oxide with no significant impurities. The inventory items had a wide variety of …

. Preliminary investigative measurements are presented on standards of mixed uranium and plutonium oxide (MOX). … the Plutonium Facility (PF-4) at TA-55. These instruments fulfill important safeguards and accountability measurement … radiations on well-characterized standards to determine long-term stability and establish a calibration. Results are also …

set of three uranium drum standards has been fabricated at Los Alamos. This paper discusses a Monte Carlo calculation to … also describes the fabrication procedure, which includes weighing the uranium oxide and the chemical analyzing of the … uranium concentration. Also presented is the vertical scanning data of the 4- {ell} bottles to assure uniform mixing of the …