Code of Maine Rules › 10 - DEPARTMENT OF HEALTH AND HUMAN SERVICES › 144 - DEPARTMENT OF HEALTH AND HUMAN SERVICES - GENERAL › Chapter 220 - Rules Relating to Radiation Protection › Part C - LICENSING OF RADIOACTIVE MATERIAL › Schedule B - EXEMPT QUANTITIES OF INDIVIDUAL RADIOACTIVE MATERIALS (C.3.B)

Current through 2024-29, July 17, 2024
Radioactive
								Material
MicroCuries
Radioactive
								Material
MicroCuries
Antimony-122 (Sb 122)
100
Gallium-67 (Ga 67)
100
Antimony-124 (Sb 124)
10
Gallium-72 (Ga 72)
10
Antimony-125 (Sb 125)
10
Germanium-68 (Ge 68)
10
Arsenic-73 (As 73)
100
Germanium-71 (Ge 71)
100
Arsenic-74 (As 74)
10
Gold-195 (Au 195)
10
Arsenic-76 (As 76)
10
Gold-198 (Au 198)
100
Arsenic-77 (As 77)
100
Gold-199 (Au 199)
100
Barium-131(Ba 131)
10
Hafnium-181 (Hf 181)
10
Barium-133 (Ba 133)
10
Holmium-166 (Ho 166)
100
Barium-140 (Ba 140)
10
Hydrogen-3 (H 3)
1,000
Bismuth-210 (Bi 210)
1
Indium-111 (In 111)
100
Bromine-82 (Br 82)
10
Indium-113m (In 113m)
100
Cadmium-109 (Cd 109)
10
Indium-114m (In 114m)
10
Cadmium-115m Cd 115m)
10
Indium-115m (In 115m)
100
Cadmium-115 (Cd 115)
100
Indium-115 (In 115)
10
Calcium-45 (Ca 45)
10
Iodine-123 (I 123)
100
Calcium-47 (Ca 47)
10
Iodine-125 (I 125)
1
Carbon-14 (C 14)
100
Iodine-126 (I 126)
1
Cerium-141 (Ce 141)
100
Iodine-129 (I 129)
0.1
Cerium-143 (Ce 143)
100
Iodine-131 (I 131)
1
Cerium-144 (Ce 144)
1
Iodine-132 (I 132)
10
Cesium-129 (Cs 129)
100
Iodine-133 (I 133)
1
Cesium-131 (Cs 131)
1,000
Iodine-134 (I 134)
10
Cesium-134m (Cs 134m)
100
Iodine-135 (I 135)
10
Cesium-134 (Cs 134)
1
Iridium-192 (Ir 192)
10
Cesium-135 (Cs 135)
10
Iridium-194 (Ir 194)
100
Cesium-136 (Cs 136)
10
Iron-52 (Fe 52)
10
Cesium-137 (Cs 137)
10
Iron-55 (Fe 55)
100
Chlorine-36 (Cl 36)
10
Iron-59 (Fe 59)
10
Chlorine-38 (Cl 38)
10
Krypton-85 (Kr 85)
100
Chromium-51 (Cr 51)
1,000
Krypton-87 (Kr 87)
10
Cobalt-57 (Co 57)
100
Lanthanum-140 (La 140)
10
Cobalt-58m (Co 58m)
10
Lutetium-177 (Lu 177)
100
Cobalt-58 (Co 58)
10
Manganese-52 (Mn 52)
10
Cobalt-60 (Co 60)
1
Manganese-54 (Mn 54)
10
Copper-64 (Cu 64)
100
Manganese-56 (Mn 56)
10
Dysprosium-165 (Dy 165)
10
Mercury-197m (Hg 197m)
100
Dysprosium-166 (Dy 166)
100
Mercury-197 (Hg 197)
100
Erbium-169 (Er 169)
100
Mercury-203 (Hg 203)
10
Erbium-171 (Er 171)
100
Molybdenum-99 (Mo 99)
100
Europium-152(Eu152)9.2h
100
Neodymium-147 (Nd 147)
100
Europium-152(Eu152)13yr
1
Neodymium-149 (Nd 149)
100
Europium-154 (Eu 154)
1
Nickel-59 (Ni 59)
100
Europium-155 (Eu 155)
10
Nickel-63 (Ni 63)
10
Fluorine-18 (F 18)
1,000
Nickel-65 (Ni 65)
100
Gadolinium-153 (Gd 153)
10
Niobium-93m (Nb 93m)
10
Gadolinium-159 (Gd 159)
100
Niobium-95 (Nb 95)
10
Niobium-97 (Nb 97)
10
Strontium 92 (Sr 92)
10
Osmium-185 (Os 185)
10
Sulphur-35 (S 35)
100
Osmium-191m (Os 191m)
100
Tantalum-182 (Ta 182)
10
Osmium-191 (Os 191)
100
Technetium-96 (Tc 96)
10
Osmium-193 (Os 193)
100
Technetium-97m (Tc 97m)
100
Palladium-103 (Pd 103)
100
Technetium-97 (Tc 97)
100
Palladium-109 (Pd 109)
100
Technetium-99m (Tc 99m)
100
Phosphorus-32 (P 32)
10
Technetium-99 (Tc 99)
10
Platinum-191 (Pt 191)
100
Tellurium-125m (Te 125m)
10
Platinum-193m (Pt 193m)
100
Tellurium-127m (Te 127m)
10
Platinum-193 (Pt 193)
100
Tellurium-127 (Te 127)
100
Platinum-197m (Pt 197m)
100
Tellurium-129m (Te 129m)
10
Platinum-197 (Pt 197)
100
Tellurium-129 (Te 129)
100
Polonium-210 (Po 210)
0.1
Tellurium-131m (Te 131m)
10
Potassium-42 (K 42)
10
Tellurium-132 (Te 132)
10
Potassium-43 (K 43)
10
Terbium-160 (Tb 160)
10
Praseodymium-142(Pr142)
100
Thallium-200 (Tl 200)
100
Praseodymium-143(Pr143)
100
Thallium-201 (Tl 201)
100
Promethium-147 (Pm 147)
10
Thallium-202 (Tl 202)
100
Promethium-149 (Pm 149)
10
Thallium-204 (Tl 204)
10
Rhenium-186 (Re 186)
100
Thulium-170 (Tm 170)
10
Rhenium-188 (Re 188)
100
Thulium-171 (Tm 171)
10
Rhodium-103m (Rh 103m)
100
Tin-113 (Sn 113)
10
Rhodium-105 (Rh 105)
100
Tin-125 (Sn 125)
10
Rubidium-81 (Rb 81)
10
Tungsten-181 (W 181)
10
Rubidium-86 (Rb 86)
10
Tungsten-185 (W 185)
10
Rubidium-87 (Rb 87)
10
Tungsten-187 (W 187)
100
Ruthenium-97 (Ru 97)
100
Vanadium-48 (V 48)
10
Ruthenium-103 (Ru 103)
10
Xenon-131m (Xe 131m)
1,000
Ruthenium-105 (Ru 105)
10
Xenon-133 (Xe 133)
100
Ruthenium-106 (Ru 106)
1
Xenon-135 (Xe 135)
100
Samarium-151 (Sm 151)
10
Ytterbium-175 (Yb 175)
100
Samarium-153 (Sm 153)
100
Yttrium-87 (Y 87)
10
Scandium-46 (Sc 46)
10
Yttrium-88 (Y 88)
10
Scandium-47 (Sc 47)
100
Yttrium-90 (Y 90)
10
Scandium-48 (Sc 48)
10
Yttrium-91 (Y 91)
10
Selenium-75 (Se 75)
10
Yttrium-92 (Y 92)
100
Silicon-31 (Si 31)
100
Yttrium-93 (Y 93)
100
Silver-105 (Ag 105)
10
Zinc-65 (Zn 65)
10
Silver-110m (Ag 110m)
1
Zinc-69m (Zn 69m)
100
Silver-111 (Ag 111)
100
Zinc-69 (Zn 69)
1,000
Sodium-22 (Na 22)
10
Zirconium-93 (Zr 93)
10
Sodium-24 (Na 24)
10
Zirconium-95 (Zr 95)
10
Strontium-85 (Sr 85)
10
Zirconium-97 (Zr 97)
10
Strontium-89 (Sr 89)
1
Any radioactive material not listed above other
								than alpha emitting radioactive material
0.1
Strontium 90 (Sr 90)
0.1
Strontium 91 (Sr 91)
10
NOTE: To convert microcuries (µCi) to SI units of
					 kilobecquerels (kBq), multiply the above by 37.