Abstract
New technology has been developed for nuclear material safeguards, in addition to the technology of nondestructive assay. New information on nuclear material shipments by truck supports efforts to provide a secure vehicle and radio communications system to improve the protection. Physical containment at fixed plant sites includes doorway personnel monitors to provide improved protection against covert removal of small quantities of nuclear material including plutonium and enriched uranium.Technology for better nuclear materials accountability and inventory verification includes sample dissolution techniques and automated spectrophotometric and titrimetric equipment enabling an analytical laboratory to increase the rate at which chemical analyses can be done for uranium and plutonium. Increased numbers of random samples will reduce ordinary uncertainties in accountability determinations due to random errors in individual measurements.
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