Applicable to operations with the following: 237/93 Np, 238/94 Pu, 240/94 Pu, 241/94 Pu, 242/94 Pu, 241/95 Am, 242m/95 Am, 243/95 Am, 243/96 Ｃｍ、２４４／９６Ｃｍ、２４５／９６Ｃｍ、２４７／９６Ｃｍ、２４９／９８Ｃｆ及び２５１／９８Ｃｆ。
Subcritical mass limits are presentad for isolated fissionable units. The limits are not applicable to interacting units.