Year
1987
Abstract
The combination of the calorimetry and plutonium isotopic measurements to determine the total plutonium mass nondestructively has become increasingly more important at the Los Alamos Plutonium Facility. A measurement control program has been developed and implemented for these two types of systems. The program serves two major functions. It provides a near real-time check of the instrumental bias and precision. It also provides a data base for monitoring the systematic and random errors associated with each instrument. At the present, there are six calorimeters and four isotopic systems operating under this program. This paper describes the measurement control program and presents an assessment of 2 years of data from the 10 instruments.