The document specifies requirements relating to criticality safety during the processing and handling of fissile material, in particular criticality data for uranium 235 metal light-water mixtures. The given numerical values and curves shall be used on a isolated system of uranium 235 metal homogeniously distributed in light water maximum reflection by light water.#,,#
DIN 25403-2:1995 history
1995DIN 25403-2:1995 Criticality safety in processing and handling fissile materials - Part 2: Criticality data for uranium 235 metal light-water mixtures