Hanford defined waste model limitations and improvements

Technical Basis for the Determination that Current Characterization Data and Processes are Sufficient to Ensure Safe Storage and to Design Waste Disposal

“…HNF-4232 Rev.0 Though sample data often showed variation from the computerized predictions in , especially with respect to specific composition (Harmsen et al 1998), there was consistent agreement between known types of waste, their general properties, and their location. Specifically, evaporator waste exhibited a high salt content, little heavy metals or transuranics, usually contained soluble organic complexants, were often the last wastes placed in the tank, and were the top layer.…”