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 Code of Federal Regulations (Last Updated: May 6, 2024)
 Title 10 - Energy
 Chapter I - Nuclear Regulatory Commission
 Part 30 - Rules of General Applicability to Domestic Licensing of Byproduct Material
 Schedules

  § 30.72 - Schedule C - Quantities of radioactive materials requiring consideration of the need for an emergency plan for responding to a release.

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  • § 30.72 Schedule C - Quantities of radioactive materials requiring consideration of the need for an emergency plan for responding to a release.

    Radioactive material1 Release fraction Quantity (curies)
    Actinium-228 0.001 4,000
    Americium-241 .001 2
    Americium-242 .001 2
    Americium-243 .001 2
    Antimony-124 .01 4,000
    Antimony-126 .01 6,000
    Barium-133 .01 10,000
    Barium-140 .01 30,000
    Bismuth-207 .01 5,000
    Bismuth-210 .01 600
    Cadmium-109 .01 1,000
    Cadmium-113 .01 80
    Calcium-45 .01 20,000
    Californium-252 .001 9 (20 mg)
    Carbon-14 (non-carbon dioxide) .01 50,000
    Cerium-141 .01 10,000
    Cerium-144 .01 300
    Cesium-134 .01 2,000
    Cesium-137 .01 3,000
    Chlorine-36 .5 100
    Chromium-51 .01 300,000
    Cobalt-60 .001 5,000
    Copper-64 .01 200,000
    Curium-242 .001 60
    Curium-243 .001 3
    Curium-244 .001 4
    Curium-245 .001 2
    Europium-152 .01 500
    Europium-154 .01 400
    Europium-155 .01 3,000
    Germanium-68 .01 2,000
    Gadolinium-153 .01 5,000
    Gold-198 .01 30,000
    Hafnium-172 .01 400
    Hafnium-181 .01 7,000
    Holmium-166m .01 100
    Hydrogen-3 .5 20,000
    Iodine-125 .5 10
    Iodine-131 .5 10
    Indium-114m .01 1,000
    Iridium-192 .001 40,000
    Iron-55 .01 40,000
    Iron-59 .01 7,000
    Krypton-85 1.0 6,000,000
    Lead-210 .01 8
    Manganese-56 .01 60,000
    Mercury-203 .01 10,000
    Molybdenum-99 .01 30,000
    Neptunium-237 .001 2
    Nickel-63 .01 20,000
    Niobium-94 .01 300
    Phosphorus-32 .5 100
    Phosphorus-33 .5 1,000
    Polonium-210 .01 10
    Potassium-42 .01 9,000
    Promethium-145 .01 4,000
    Promethium-147 .01 4,000
    Radium-226 0.001 100
    Ruthenium-106 .01 200
    Samarium-151 .01 4,000
    Scandium-46 .01 3,000
    Selenium-75 .01 10,000
    Silver-110m .01 1,000
    Sodium-22 .01 9,000
    Sodium-24 .01 10,000
    Strontium-89 .01 3,000
    Strontium-90 .01 90
    Sulfur-35 .5 900
    Technitium-99 .01 10,000
    Technitium-99m .01 400,000
    Tellurium-127m .01 5,000
    Tellurium-129m .01 5,000
    Terbium-160 .01 4,000
    Thulium-170 .01 4,000
    Tin-113 .01 10,000
    Tin-123 .01 3,000
    Tin-126 .01 1,000
    Titanium-44 .01 100
    Vanadium-48 .01 7,000
    Xenon-133 1.0 900,000
    Yttrium-91 .01 2,000
    Zinc-65 .01 5,000
    Zirconium-93 .01 400
    Zirconium-95 .01 5,000
    Any other beta-gamma emitter .01 10,000
    Mixed fission products .01 1,000
    Mixed corrosion products .01 10,000
    Contaminated equipment beta-gamma .001 10,000
    Irradiated material, any form other than solid noncombustible .01 1,000
    Irradiated material, solid noncombustible .001 10,000
    Mixed radioactive waste, beta-gamma .01 1,000
    Packaged mixed waste, beta-gamma4 .001 10,000
    Any other alpha emitter .001 2
    Contaminated equipment, alpha .0001 20
    Packaged waste, alpha4 .0001 20
    Combinations of radioactive materials listed above1

    1 For combinations of radioactive materials, consideration of the need for an emergency plan is required if the sum of the ratios of the quantity of each radioactive material authorized to the quantity listed for that material in Schedule C exceeds one.

    2 Waste packaged in Type B containers does not require an emergency plan.

    [54 FR 14061, Apr. 7, 1989, as amended at 61 FR 9902, Mar. 12, 1996; 72 FR 55926, Oct. 1, 2007]