C Quantities of Radioactive Materials Requiring Consideration of the Need for an Emergency Plan for Responding to a Release

Section 330 Section 330.APPENDIX C   Quantities of Radioactive Materials Requiring Consideration of the Need for an Emergency Plan for Responding to a Release Radioactive Material 1 Release Fraction Quantity (GBq) Quantity (Ci) Actinium-228 0.001 148,000 4,000 Americium-241 0.001 74 2 Americium-242 0.001 74 2 Americium-243 0.001 74 2 Antimony-124 0.01 148,000 4,000 Antimony-126 0.01 222,000 6,000 Barium-133 0.01 370,000 10,000 Barium-140 0.01 1,110,000 30,000 Bismuth-207 0.01 185,000 5,000 Bismuth-210 0.01 22,200 600 Cadmium-109 0.01 37,000 1,000 Cadmium-113 0.01 2,960 80 Calcium-45 0.01 740,000 20,000 Californium-252 0.001 333 9 (20mg) Carbon-14 (Non-CO 2 ) 0.01 1,850,000 50,000 Cerium-141 0.01 370,000 10,000 Cerium-144 0.01 11,100 300 Cesium-134 0.01 74,000 2,000 Cesium-137 0.01 111,000 3,000 Chlorine-36 0.5 3,700 100 Chromium-51 0.01 11,100,000 300,000 Cobalt-60 0.001 185,000 5,000 Copper-64 0.01 7,400,000 200,000 Curium-242 0.001 2,220 60 Curium-243 0.001 110 3 Curium-244 0.001 148 4 Curium-245 0.001 74 2 Europium-152 0.01 18,500 500 Europium-154 0.01 14,800 400 Europium-155 0.01 111,000 3,000 Gadolinium-153 0.01 185,000 5,000 Germanium-68 0.01 74,000 2,000 Gold-198 0.01 1,110,000 30,000 Hafnium-172 0.01 14,800 400 Hafnium-181 0.01 259,000 7,000 Holmium-166m 0.01 3,700 100 Hydrogen-3 0.5 740,000 20,000 Indium-114m 0.01 37,000 1,000 Iodine-125 0.5 370 10 Iodine-131 0.5 370 10 Iridium-192 0.001 1,480,000 40,000 Iron-55 0.01 1,480,000 40,000 Iron-59 0.01 259,000 7,000 Krypton-85 1.0 222,000,000 6,000,000 Lead-210 0.01 296 8 Manganese-56 0.01 2,220,000 60,000 Mercury-203 0.01 370,000 10,000 Molybdenum-99 0.01 1,110,000 30,000 Neptunium-237 0.001 74 2 Nickel-63 0.01 740,000 20,000 Niobium-94 0.01 11,100 300 Phosphorus-32 0.5 3,700 100 Phosphorus-33 0.5 37,000 1,000 Polonium-210 0.01 370 10 Potassium-42 0.01 333,000 9,000 Promethium-145 0.01 148,000 4,000 Promethium-147 0.01 148,000 4,000 Radium-226 0.001 3,700 100 Ruthenium-106 0.01 7,400 200 Samarium-151 0.01 148,000 4,000 Scandium-46 0.01 111,000 3,000 Selenium-75 0.01 370,000 10,000 Silver-110m 0.01 37,000 1,000 Sodium-22 0.01 333,000 9,000 Sodium-24 0.01 370,000 10,000 Strontium-89 0.01 111,000 3,000 Strontium-90 0.01 3,330 90 Sulfur-35 0.5 33,300 900 Technetium-99 0.01 370,000 10,000 Technetium-99m 0.01 14,800,000 400,000 Tellurium-127m 0.01 185,000 5,000 Tellurium-129m 0.01 185,000 5,000 Terbium-160 0.01 148,000 4,000 Thulium-170 0.01 148,000 4,000 Tin-113 0.01 370,000 10,000 Tin-123 0.01 111,000 3,000 Tin-126 0.01 37,000 1,000 Titanium-44 0.01 3,700 100 Vanadium-48 0.01 259,000 7,000 Xenon-133 1.0 33,300,000 900,000 Yttrium-91 0.01 74,000 2,000 Zinc-65 0.01 185,000 5,000 Zirconium-93 0.01 14,800 400 Zirconium-95 0.01 185,000 5,000 Any other beta-gamma emitter 0.01 370,000 10,000 Mixed fission products 0.01 37,000 1,000 Mixed corrosion products 0.01 370,000 10,000 Contaminated equipment, beta-gamma 0.001 370,000 10,000 Irradiated material, any form other than solid noncombustible 0.01 37,000 1,000 Irradiated material, solid noncombustible 0.001 370,000 10,000 Mixed radioactive waste, 2 beta-gamma 0.01 37,000 1,000 Packaged mixed waste, 2 beta-gamma 0.001 370,000 10,000 Any other alpha emitter 0.001 74 2 Contaminated equipment, Alpha 0.0001 740 20 Packaged waste, alpha 2 0.0001 740 20 1 For combinations of radioactive materials, the licensee is required to consider whether an emergency plan is needed if the sum of the ratios of the quantity of each radioactive material authorized to the quantity listed for that material above exceeds one. 2 Waste packaged in Type B containers does not require an emergency plan.