| Isotope | mCi Activity | Group |
| Ac-227 | 2.60E-02 | I |
| Ac-228 | 1.47E+00 | I |
| Ag-110m | 3.19E+00 | III |
| Am-241 | 4.45E+00 | I |
| Ba-133 | 1.23E-02 | II |
| Ba-137m | 1.29E-02 | III |
| Ba/La-140 | 9.24E-08 | III |
| Bi-207 | 5.91 E-02 | III |
| Bi-212 | 2.45E-03 | III |
| Bi-214 | 3.53E-02 | I |
| C-14 | 1.59E+02 | IV |
| Cd-109 | 8.42E-03 | IV |
| Ce-141 | 8.10E-06 | IV |
| Ce-144 | 2.42E+01 | III |
| Cm-242 | 5.36E-04 | I |
| Cm-243 | 3.79E-03 | I |
| Cm-244 | 7.45E-04 | I |
| Co-57 | 7.96E-02 | IV |
| Co-58 | 1.22E+01 | IV |
| Co-60 | 1.25E+02 | III |
| Cr-51 | 4.68E-01 | IV |
| Cs-134 | 6.25E+00 | III |
| Cs-136 | 5.10E-03 | IV |
| Cs-137 | 2.08E+04 | III |
| Eu-152 | 3.22E-01 | III |
| Eu-154 | 1.85E-01 | II |
| Eu-155 | 5.45E-02 | IV |
| Fe-55 | 1.56E+02 | IV |
| Fe-59 | 6.75E-01 | IV |
| Gd-153 | 9.58E-03 | IV |
| Ge-68 | 4.14E-02 | III |
| H-3 | 1.56E+07 | IV This includes a (1) Tritium sealed source recieved as waste. This is the only (waste) sealed source at WCS |
| I-129 | 1.87E+00 | III |
| K-40 | 1.71 E+00 | III |
| Kr-85 | 5.20E-04 | III |
| La-140 | 9.79E-05 | IV |
| Mn-54 | 1.75E+01 | IV |
| Na-22 | 6.05E-02 | III |
| Nb-93m | 6.20E-05 | IV |
| Nb-94 | 9.29E-07 | II |
| Nb-95 | 2.32E-01 | IV |
| Ni-59 | 4.67E-02 | IV |
| Ni-63 | 5.16E+01 | IV |
| Np-237 | 3.77E+00 | I |
| P-32 | 7.49E-03 | IV |
| Pa-231 | 4.90E-02 | I |
| Pa-234 | 2.73E+00 | I |
| Pa-234m | 8.42E-01 | I |
| Pb-210 | 5.50E-05 | II |
| Pb-212 | 2.13E+00 | II |
| Pb-214 | 2.00E-02 | I |
| Pm-147 | 1.72E-07 | IV |
| Po-210 | 1.00E-04 | I |
| Po-212 | 1.60E-03 | I |
| Po-216 | 2.45E-03 | I |
| Pu-238 | 2.99E+00 | I |
| Pu-239 | 4.88E+00 | I |
| Pu-240 | 6.00E-01 | I |
| Pu-241 | 9.54E+00 | I |
| Pu-242 | 2.83E-06 | I |
| Ra-224 | 1.78E-01 | II |
| Ra-226 | 1.65E-01 | I |
| Ra-228 | 1.08E+00 | I |
| Rh-106 | 1.17E-07 | III |
| Rn-220 | 2.45E-03 | IV |
| Ru-105 | 5.11E-05 | IV |
| Ru-106 | 1.07E-02 | III |
| S-35 | 2.10E-03 | IV |
| Sb-124 | 8.14E-06 | III |
| Sb-125 | 2.15E+00 | III |
| Se-75 | 6.07E-03 | IV |
| Se-79 | 7.56E-08 | II |
| Sn-113 | 2.92E-05 | IV |
| Sn-126 | 5.51E-08 | II |
| Sr-89 | 8.10E-06 | III |
| Sr-90 | 4.81E+01 | II |
| Tc-99 | 3.95E+02 | IV |
| Te-125m | 1.26E-05 | IV |
| Th-228 | 1.67E+00 | I |
| Th-230 | 4.26E+00 | I |
| Th-231 | 3.38E-02 | I |
| Th-232 | 5.08E+00 | III |
| Th-234 | 2.23E+02 | II |
| Th-nat | 3.19E+00 | III |
| Tl-208 | 1.22E+00 | III |
| U-233 | 4.33E+00 | II |
| U-234 | 1.51E+02 | II |
| U-235 | 1.52E+01 | III |
| U-236 | 4.54E+00 | II |
| U-238 | 7.85E+02 | III |
| U-dep | 9.27E+02 | III |
| U-nat | 1.36E+01 | III |
| Y-90 | 1.36E-02 | IV |
| Zn-65 | 2.69E+01 | IV |
| Zr-95 | 2.18E-01 | III |
| Grand Total | 1.56E+07 |