Nevada Administrative Code › Chapter 459 - Hazardous Materials › RADIATION CONTROL › Standards for Protection Against Radiation › Section 459.362 - Quantities of radioactive materials for signs, labels and signals; disposal of waste

Current through June 11,
				  2024
The following quantities must be used for the
				  purposes of subsection 1 of NAC 459.1955:
Radioactive Material
Microcuries
Americium-241
0.01
Antimony-122
100
Antimony-124
10
Antimony-125
10
Arsenic-73
100
Arsenic-74
10
Arsenic-76
10
Arsenic-77
100
Barium-131
10
Barium-133
10
Barium-140
10
Bismuth-210
1
Bromine-82
10
Cadmium-109
10
Cadmium-115m
10
Cadmium-115
100
Calcium-45
10
Calcium-47
10
Carbon-14
100
Cerium-141
100
Cerium-143
100
Cerium-144
1
Cesium-131
1,000
Cesium-134m
100
Cesium-134
1
Cesium-135
10
Cesium-136
10
Cesium-137
10
Chlorine-36
10
Chlorine-38
10
Chromium-51
1,000
Cobalt-58m
10
Cobalt-58
10
Cobalt-60
1
Copper-64
100
Dysprosium-165
10
Dysprosium-166
100
Erbium-169
100
Erbium-171
100
Europium-152 (9.2
				  h)
100
Europium-152 (13 yr)
1
Europium-154
1
Europium-155
10
Fluorine-18
1,000
Gadolinium-153
10
Gadolinium-159
100
Gallium-72
10
Germanium-71
100
Gold-198
100
Gold-199
100
Hafnium-181
10
Holmium-166
100
Hydrogen-3
1,000
Indium-113m
100
Indium-114m
10
Indium-115m
100
Indium-115
10
Iodine-125
1
Iodine-126
1
Iodine-129
0.1
Iodine-131
1
Iodine-132
10
Iodine-133
1
Iodine-134
10
Iodine-135
10
Iridium-192
10
Iridium-194
100
Iron-55
100
Iron-59
10
Krypton-85
100
Krypton-87
10
Lanthanum-140
10
Lutetium-177
100
Manganese-52
10
Manganese-54
10
Manganese-56
10
Mercury-197m
100
Mercury-197
100
Mercury-203
10
Molybdenum-99
100
Neodymium-147
100
Neodymium-149
100
Nickel-59
100
Nickel-63
10
Nickel-65
100
Niobium-93m
10
Niobium-95
10
Niobium-97
10
Osmium-185
10
Osmium-191m
100
Osmium-191
100
Osmium-193
100
Palladium-103
100
Palladium-109
100
Phosphorus-32
10
Platinum-191
100
Platinum-193m
100
Platinum-193
100
Platinum-197m
100
Platinum-197
100
Plutonium-239
0.01
Polonium-210
0.1
Potassium-42
10
Praseodymium-142
100
Praseodymium-143
100
Promethium-147
10
Promethium-149
10
Radium-226
0.01
Rhenium-186
100
Rhenium-188
100
Rhodium-103m
100
Rhodium-105
100
Rubidium-86
10
Rubidium-87
10
Ruthenium-97
100
Ruthenium-103
10
Ruthenium-105
10
Ruthenium-106
1
Samarium-151
10
Samarium-153
100
Scandium-46
10
Scandium-47
100
Scandium-48
10
Selenium-75
10
Silicon-31
100
Silver-105
10
Silver-110m
1
Silver-111
100
Sodium-24
10
Strontium-85
10
Strontium-89
1
Strontium-90
0.1
Strontium-91
10
Strontium-92
10
Sulphur-35
100
Tantalum-182
10
Technetium-96
10
Technetium-97m
100
Technetium-97
100
Technetium-99m
100
Technetium-99
10
Tellurium-125m
10
Tellurium-127m
10
Tellurium-127
100
Tellurium-129m
10
Tellurium-129
100
Tellurium-131m
10
Tellurium-132
10
Terbium-160
10
Thallium-200
100
Thallium-201
100
Thallium-202
100
Thallium-204
10
Thorium (natural)
				  1
100
Thulium-170
10
Thulium-171
10
Tin-113
10
Tin-125
10
Tungsten-181
10
Tungsten-185
10
Tungsten-187
100
Uranium (natural) 2
100
Uranium-233
0.01
Uranium-234
0.01
Uranium-235
0.01
Vanadium-48
10
Xenon-131m
1,000
Xenon-133
100
Xenon-135
100
Ytterbium-175
100
Yttrium-90
10
Yttrium-91
10
Yttrium-92
100
Yttrium-93
100
Zinc-65
10
Zinc-69m
100
Zinc-69
1,000
Zirconium-93
10
Zirconium-95
10
Zirconium-97
10
Any
				  alpha-emitting radionuclide not listed above or mixtures of alpha emitters of
				  unknown composition
0.01
Any
				  radionuclide other than alpha-emitting radionuclides, not listed above or
				  mixtures of beta emitters of unknown composition
0.1
1 Based on
				  alpha disintegration rate of Th 232, Th 230, and their daughter
				  products.
2 Based on alpha
				  disintegration rate of U 238, U 234, and U 235.
Bd. of Health, Radiation Control
				  Reg. Art. 4, Appendix B, eff. 2-28-80-NAC A
				  1-18-94
NRS
				  459.201