Historical
ANSI/ANS-8.7-1998 (R2012)
Nuclear Criticality Safety in the Storage of Fissile Materials
This standard is applicable to the storage of fissile materials. Mass and spacing limits are tabulated for uranium containing greater than 30 wt-% 235U, for 233U, and for plutonium, as metals and oxides. Criteria for the range of application of these limits are provided.
American National Standards Institute [ansi]