CSI = 10((grams of U-235/X) + (grams of U-233/Y) + (grams of Pu/Z))
Table 11-1 Mass limits for general license packages containing mixed quantities of fissile material or uranium-235 of unknown enrichment per paragraph (E) of this rule
Fissile material | Fissile material mass mixed with moderating substances having an average hydrogen density less than or equal to H2O (grams) | Fissile material mass mixed with moderating substances having an average hydrogen density greater than H2Oa (grams) |
U-235 (X) | 60 | 38 |
U-233 (Y) | 43 | 27 |
Pu-239 or Pu-241 (Z) | 37 | 24 |
a When mixtures of moderating substances are present, the lower mass limits shall be used if more than fifteen per cent of the moderating substance has an average hydrogen density greater than H2O.
Table 11-2 Mass limits for general license packages containing uranium-235 on known enrichment per paragraph (E) of this rule
Uranium enrichment in weight per cent of U-235 not exceeding | Fissile material mass of U-235 (X) (grams) |
24 | 60 |
20 | 63 |
15 | 67 |
11 | 72 |
10 | 76 |
9.5 | 78 |
9 | 81 |
8.5 | 82 |
8 | 85 |
7.5 | 88 |
7 | 90 |
6.5 | 93 |
6 | 97 |
5.5 | 102 |
5 | 108 |
4.5 | 114 |
4 | 120 |
3.5 | 132 |
3 | 150 |
2.5 | 180 |
2 | 246 |
1.5 | 408 |
1.35 | 480 |
1 | 1,020 |
0.92 | 1,800 |
Ohio Admin. Code 3701:1-50-11
Five Year Review (FYR) Dates: 9/28/2020 and 02/15/2026
Promulgated Under: 119.03
Statutory Authority: 3748.04
Rule Amplifies: 3748.04
Prior Effective Dates: 10/19/2001, 10/22/2006, 09/01/2011