| Byproduct material | Microcuries |
|---|---|
| Antimony 122 (Sb 122) | 100 |
| Antimony 124 (Sb 124) | 10 |
| Antimony 125 (Sb 125) | 10 |
| Arsenic 73 (As 73) | 100 |
| Arsenic 74 (As 74) | 10 |
| Arsenic 76 (As 76) | 10 |
| Arsenic 77 (As 77) | 100 |
| Barium 131 (Ba 131) | 10 |
| Barium 133 (Ba 133) | 10 |
| Barium 140 (Ba 140) | 10 |
| Bismuth 210 (Bi 210) | 1 |
| Bromine 82 (Br 82) | 10 |
| Cadmium 109 (Cd 109) | 10 |
| Cadmium 115m (Cd 115m) | 10 |
| Cadmium 115 (Cd 115) | 100 |
| Calcium 45 (Ca 45) | 10 |
| Calcium 47 (Ca 47) | 10 |
| Carbon 14 (C 14) | 100 |
| Cerium 141 (Ce 141) | 100 |
| Cerium 143 (Ce 143) | 100 |
| Cerium 144 (Ce 144) | 1 |
| Cesium 129 (Cs 129) | 100 |
| Cesium 131 (Cs 131) | 1,000 |
| Cesium 134m (Cs 134m) | 100 |
| Cesium 134 (Cs 134) | 1 |
| Cesium 135 (Cs 135) | 10 |
| Cesium 136 (Cs 136) | 10 |
| Cesium 137 (Cs 137) | 10 |
| Chlorine 36 (C1 36) | 10 |
| Chlorine 38 (Cl 38) | 10 |
| Chromium 51 (Cr 51) | 1,000 |
| Cobalt 57 (Co 57) | 100 |
| Cobalt 58m (Co 58m) | 10 |
| Cobalt 58 (Co 58) | 10 |
| Cobalt 60 (Co 60) | 1 |
| Copper 64 (Cu 64) | 100 |
| Dysprosium 165 (Dy 165) | 10 |
| Dysprosium 166 (Dy 166) | 100 |
| Erbium 169 (Er 169) | 100 |
| Erbium 171 (Er 171) | 100 |
| Europium 152 9.2 h (Eu 152 9.2 h) | 100 |
| Europium 152 13 yr (Eu 152 13 yr) | 1 |
| Europium 154 (Eu 154) | 1 |
| Europium 155 (Eu 155) | 10 |
| Fluorine 18 (F 18) | 1,000 |
| Gadolinium 153 (Gd 153) | 10 |
| Gadolinium 159 (Gd 159) | 100 |
| Gallium 67 (Ga 67) | 100 |
| Gallium 72 (Ga 72) | 10 |
| Germanium 68 (Ge 68) | 10 |
| Germanium 71 (Ge 71) | 100 |
| Gold 195 (Au 195) | 10 |
| Gold 198 (Au 198) | 100 |
| Gold 199 (Au 199) | 100 |
| Hafnium 181 (Hf 181) | 10 |
| Holmium 166 (Ho 166) | 100 |
| Hydrogen 3 (H 3) | 1,000 |
| Indium 111 (In 111) | 100 |
| Indium 113m (In 113m) | 100 |
| Indium 114m (In 114m) | 10 |
| Indium 115m (In 115m) | 100 |
| Indium 115 (In 115) | 10 |
| Iodine 123 (I 123) | 100 |
| Iodine 125 (I 125) | 1 |
| Iodine 126 (I 126) | 1 |
| Iodine 129 (I 129) | 0.1 |
| Iodine 131 (I 131) | 1 |
| Iodine 132 (I 132) | 10 |
| Iodine 133 (I 133) | 1 |
| Iodine 134 (I 134) | 10 |
| Iodine 135 (I 135) | 10 |
| Iridium 192 (Ir 192) | 10 |
| Iridium 194 (Ir 194) | 100 |
| Iron 52 (Fe 52) | 10 |
| Iron 55 (Fe 55) | 100 |
| Iron 59 (Fe 59) | 10 |
| Krypton 85 (Kr 85) | 100 |
| Krypton 87 (Kr 87) | 10 |
| Lanthanum 140 (La 140) | 10 |
| Lutetium 177 (Lu 177) | 100 |
| Manganese 52 (Mn 52) | 10 |
| Manganese 54 (Mn 54) | 10 |
| Manganese 56 (Mn 56) | 10 |
| Mercury 197m (Hg 197m) | 100 |
| Mercury 197 (Hg 197) | 100 |
| Mercury 203 (Hg 203) | 10 |
| Molybdenum 99 (Mo 99) | 100 |
| Neodymium 147 (Nd 147) | 100 |
| Neodymium 149 (Nd 149) | 100 |
| Nickel 59 (Ni 59) | 100 |
| Nickel 63 (Ni 63) | 10 |
| Nickel 65 (Ni 65) | 100 |
| Niobium 93m (Nb 93m) | 10 |
| Niobium 95 (Nb 95) | 10 |
| Niobium 97 (Nb 97) | 10 |
| Osmium 185 (Os 185) | 10 |
| Osmium 191m (Os 191m) | 100 |
| Osmium 191 (Os 191) | 100 |
| Osmium 193 (Os 193) | 100 |
| Palladium 103 (Pd 103) | 100 |
| Palladium 109 (Pd 109) | 100 |
| Phosphorus 32 (P 32) | 10 |
| Platinum 191 (Pt 191) | 100 |
| Platinum 193m (Pt 193m) | 100 |
| Platinum 193 (Pt 193) | 100 |
| Platinum 197m (Pt 197m) | 100 |
| Platinum 197 (Pt 197) | 100 |
| Polonium 210 (Po 210) | 0.1 |
| Potassium 42 (K 42) | 10 |
| Potassium 43 (K 43) | 10 |
| Praseodymium 142 (Pr 142) | 100 |
| Praseodymium 143 (Pr 143) | 100 |
| Promethium 147 (Pm 147) | 10 |
| Promethium 149 (Pm 149) | 10 |
| Rhenium 186 (Re 186) | 100 |
| Rhenium 188 (Re 188) | 100 |
| Rhodium 103m (Rh 103m) | 100 |
| Rhodium 105 (Rh 105) | 100 |
| Rubidium 81 (Rb 81) | 10 |
| Rubidium 86 (Rb 86) | 10 |
| Rubidium 87 (Rb 87) | 10 |
| Ruthenium 97 (Ru 97) | 100 |
| Ruthenium 103 (Ru 103) | 10 |
| Ruthenium 105 (Ru 105) | 10 |
| Ruthenium 106 (Ru 106) | 1 |
| Samarium 151 (Sm 151) | 10 |
| Samarium 153 (Sm 153) | 100 |
| Scandium 46 (Sc 46) | 10 |
| Scandium 47 (Sc 47) | 100 |
| Scandium 48 (Sc 48) | 10 |
| Selenium 75 (Se 75) | 10 |
| Silicon 31 (Si 31) | 100 |
| Silver 105 (Ag 105) | 10 |
| Silver 110m (Ag 110m) | 1 |
| Silver 111 (Ag 111) | 100 |
| Sodium 22 (Na 22) | 10 |
| Sodium 24 (Na 24) | 10 |
| Strontium 85 (Sr 85) | 10 |
| Strontium 89 (Sr 89) | 1 |
| Strontium 90 (Sr 90) | 0.1 |
| Strontium 91 (Sr 91) | 10 |
| Strontium 92 (Sr 92) | 10 |
| Sulphur 35 (S 35) | 100 |
| Tantalum 182 (Ta 182) | 10 |
| Technetium 96 (Tc 96) | 10 |
| Technetium 97m (Tc 97m) | 100 |
| Technetium 97 (Tc 97) | 100 |
| Technetium 99m (Tc 99m) | 100 |
| Technetium 99 (Tc 99) | 10 |
| Tellurium 125m (Te 125m) | 10 |
| Tellurium 127m (Te 127m) | 10 |
| Tellurium 127 (Te 127) | 100 |
| Tellurium 129m (Te 129m) | 10 |
| Tellurium 129 (Te 129) | 100 |
| Tellurium 131m (Te 131m) | 10 |
| Tellurium 132 (Te 132) | 10 |
| Terbium 160 (Tb 160) | 10 |
| Thallium 200 (Tl 200) | 100 |
| Thallium 201 (Tl 201) | 100 |
| Thallium 202 (Tl 202) | 100 |
| Thallium 204 (Tl 204) | 10 |
| Thulium 170 (Tm 170) | 10 |
| Thulium 171 (Tm 171) | 10 |
| Tin 113 (Sn 113) | 10 |
| Tin 125 (Sn 125) | 10 |
| Tungsten 181 (W 181) | 10 |
| Tungsten 185 (W 185) | 10 |
| Tungsten 187 (W 187) | 100 |
| Vanadium 48 (V 48) | 10 |
| Xenon 131m (Xe 131m) | 1,000 |
| Xenon 133 (Xe 133) | 100 |
| Xenon 135 (Xe 135) | 100 |
| Ytterbium 175 (Yb 175) | 100 |
| Yttrium 87 (Y 87) | 10 |
| Yttrium 88 (Y 88) | 10 |
| Yttrium 90 (Y 90) | 10 |
| Yttrium 91 (Y 91) | 10 |
| Yttrium 92 (Y 92) | 100 |
| Yttrium 93 (Y 93) | 100 |
| Zinc 65 (Zn 65) | 10 |
| Zinc 69m (Zn 69m) | 100 |
| Zinc 69 (Zn 69) | 1,000 |
| Zirconium 93 (Zr 93) | 10 |
| Zirconium 95 (Zr 95) | 10 |
| Zirconium 97 (Zr 97) | 10 |
| Any byproduct material not listed above other than alpha emitting byproduct material | 0.1 |
[35 FR 6427, Apr. 22, 1970, as amended at 36 FR 16898, Aug. 26, 1971; 59 FR 5519, Feb. 7, 1994; 72 FR 55926, Oct. 1, 2007]