Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4731 - RADIATION SAFETY
DOMESTIC LICENSING OF RADIOACTIVE MATERIALS
Part 4731.3145 - EXEMPT QUANTITIES
Radioactive 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 (Cl 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 |
Sulfur 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 radioactive material not listed above other than alpha-emitting radioactive materials |
0.1 |
Statutory Authority: MS s 144.1202; 144.1203