{"data":{"id":"us/10-cfr-30.72","jurisdiction":"us","citation":"10 CFR 30.72","heading":"Schedule C—Quantities of radioactive materials requiring consideration of the need for an emergency plan for responding to a release.","body":"Radioactive material 1 Release fraction Quantity (curies)\nActinium-228 0.001 4,000\nAmericium-241 .001 2\nAmericium-242 .001 2\nAmericium-243 .001 2\nAntimony-124 .01 4,000\nAntimony-126 .01 6,000\nBarium-133 .01 10,000\nBarium-140 .01 30,000\nBismuth-207 .01 5,000\nBismuth-210 .01 600\nCadmium-109 .01 1,000\nCadmium-113 .01 80\nCalcium-45 .01 20,000\nCalifornium-252 .001 9 (20 mg)\nCarbon-14 (non-carbon dioxide) .01 50,000\nCerium-141 .01 10,000\nCerium-144 .01 300\nCesium-134 .01 2,000\nCesium-137 .01 3,000\nChlorine-36 .5 100\nChromium-51 .01 300,000\nCobalt-60 .001 5,000\nCopper-64 .01 200,000\nCurium-242 .001 60\nCurium-243 .001 3\nCurium-244 .001 4\nCurium-245 .001 2\nEuropium-152 .01 500\nEuropium-154 .01 400\nEuropium-155 .01 3,000\nGermanium-68 .01 2,000\nGadolinium-153 .01 5,000\nGold-198 .01 30,000\nHafnium-172 .01 400\nHafnium-181 .01 7,000\nHolmium-166m .01 100\nHydrogen-3 .5 20,000\nIodine-125 .5 10\nIodine-131 .5 10\nIndium-114m .01 1,000\nIridium-192 .001 40,000\nIron-55 .01 40,000\nIron-59 .01 7,000\nKrypton-85 1.0 6,000,000\nLead-210 .01 8\nManganese-56 .01 60,000\nMercury-203 .01 10,000\nMolybdenum-99 .01 30,000\nNeptunium-237 .001 2\nNickel-63 .01 20,000\nNiobium-94 .01 300\nPhosphorus-32 .5 100\nPhosphorus-33 .5 1,000\nPolonium-210 .01 10\nPotassium-42 .01 9,000\nPromethium-145 .01 4,000\nPromethium-147 .01 4,000\nRadium-226 0.001 100\nRuthenium-106 .01 200\nSamarium-151 .01 4,000\nScandium-46 .01 3,000\nSelenium-75 .01 10,000\nSilver-110m .01 1,000\nSodium-22 .01 9,000\nSodium-24 .01 10,000\nStrontium-89 .01 3,000\nStrontium-90 .01 90\nSulfur-35 .5 900\nTechnitium-99 .01 10,000\nTechnitium-99m .01 400,000\nTellurium-127m .01 5,000\nTellurium-129m .01 5,000\nTerbium-160 .01 4,000\nThulium-170 .01 4,000\nTin-113 .01 10,000\nTin-123 .01 3,000\nTin-126 .01 1,000\nTitanium-44 .01 100\nVanadium-48 .01 7,000\nXenon-133 1.0 900,000\nYttrium-91 .01 2,000\nZinc-65 .01 5,000\nZirconium-93 .01 400\nZirconium-95 .01 5,000\nAny other beta-gamma emitter .01 10,000\nMixed fission products .01 1,000\nMixed corrosion products .01 10,000\nContaminated equipment beta-gamma .001 10,000\nIrradiated material, any form other than solid noncombustible .01 1,000\nIrradiated material, solid noncombustible .001 10,000\nMixed radioactive waste, beta-gamma .01 1,000\nPackaged mixed waste, beta-gamma 4 .001 10,000\nAny other alpha emitter .001 2\nContaminated equipment, alpha .0001 20\nPackaged waste, alpha 4 .0001 20\nCombinations of radioactive materials listed above 1\n1 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.\n2 Waste packaged in Type B containers does not require an emergency plan.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 30—RULES OF GENERAL APPLICABILITY TO DOMESTIC LICENSING OF BYPRODUCT MATERIAL"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"5c781827feacb51e367ab343babba176ee68a44eae5a62f82fc5238ab82af3ba","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-30.71","next":"us/10-cfr-appendix-a-to-part-30"},"notice":"GroundRules: Original legal text. Not legal advice."}