{"data":{"id":"us-va/12vac5-481-3750","jurisdiction":"us-va","citation":"12VAC5-481-3750","heading":"Quantities for use with decommissioning","body":"Materials\n\nMicrocuries\n\nAmericium-241\n\n.01\n\nAntimony-122\n\n100\n\nAntimony-124\n\n10\n\nAntimony-125\n\n10\n\nArsenic-73\n\n100\n\nArsenic-74\n\n10\n\nArsenic-76\n\n10\n\nArsenic-77\n\n100\n\nBarium-131\n\n10\n\nBarium-133\n\n10\n\nBarium-140\n\n10\n\nBismuth-210\n\n1\n\nBromine-82\n\n10\n\nCadmium-109\n\n10\n\nCadmium-115m\n\n10\n\nCadmium-115\n\n100\n\nCalcium-45\n\n10\n\nCalcium-47\n\n10\n\nCarbon-14\n\n100\n\nCerium-141\n\n100\n\nCerium-143\n\n100\n\nCerium-144\n\n1\n\nCesium-131\n\n1,000\n\nCesium-134m\n\n100\n\nCesium-134\n\n1\n\nCesium-135\n\n10\n\nCesium-136\n\n10\n\nCesium-137\n\n10\n\nChlorine-36\n\n10\n\nChlorine-38\n\n10\n\nChromium-51\n\n1,000\n\nCobalt-55\n\n100\n\nCobalt-56\n\n10\n\nCobalt-57\n\n100\n\nCobalt-58m\n\n10\n\nCobalt-58\n\n10\n\nCobalt-60\n\n1\n\nCopper-64\n\n100\n\nDysprosium-165\n\n10\n\nDysprosium-166\n\n100\n\nErbium-169\n\n100\n\nErbium-171\n\n100\n\nEuropium-152 9.2h\n\n100\n\nEuropium-152 13 yr\n\n1\n\nEuropium-154\n\n1\n\nEuropium-155\n\n10\n\nFluorine-18\n\n1,000\n\nGadolinium-153\n\n10\n\nGadolinium-159\n\n100\n\nGallium-72\n\n10\n\nGermanium-71\n\n100\n\nGold-198\n\n100\n\nGold-199\n\n100\n\nHafnium-181\n\n10\n\nHolmium-166\n\n100\n\nHydrogen-3\n\n1,000\n\nIndium-113m\n\n100\n\nIndium-114m\n\n10\n\nIndium-115m\n\n100\n\nIndium-115\n\n10\n\nIodine-125\n\n1\n\nIodine-126\n\n1\n\nIodine-129\n\n0.1\n\nIodine-131\n\n1\n\nIodine-132\n\n10\n\nIodine-133\n\n1\n\nIodine-134\n\n10\n\nIodine-135\n\n10\n\nIridium-192\n\n10\n\nIridium-194\n\n100\n\nIron-55\n\n100\n\nIron-59\n\n10\n\nKrypton-85\n\n100\n\nKrpton-87\n\n10\n\nLanthanum-140\n\n10\n\nLutetium-177\n\n100\n\nManganese-52\n\n10\n\nManganese-54\n\n10\n\nManganese-56\n\n10\n\nMercury-197m\n\n100\n\nMercury-197\n\n100\n\nMercury-203\n\n10\n\nMolbdenum-99\n\n100\n\nNeodymium-147\n\n100\n\nNeodymium-149\n\n100\n\nNickel-59\n\n100\n\nNickel-63\n\n10\n\nNickel-65\n\n100\n\nNiobium-93m\n\n10\n\nNiobium-95\n\n10\n\nNiobium-97\n\n10\n\nOsmium-185\n\n10\n\nOsmium-191m\n\n100\n\nOsmium-191\n\n100\n\nOsmium-193\n\n100\n\nPalladium-103\n\n100\n\nPalladium-109\n\n100\n\nPhosphorus-32\n\n10\n\nPlatinum-191\n\n100\n\nPlatinum-193m\n\n100\n\nPlatinum-193\n\n100\n\nPlatinum-197m\n\n100\n\nPlatinum-197\n\n100\n\nPlutonium-239\n\n.01\n\nPolonium-210\n\n0.1\n\nPotassium-42\n\n10\n\nPraseodymium-142\n\n100\n\nPraseodymium-143\n\n100\n\nPromethium-147\n\n10\n\nPromethium-149\n\n10\n\nRadium-226\n\n.01\n\nRhenium-186\n\n100\n\nRhenium-188\n\n100\n\nRhodium-103m\n\n100\n\nRhodium-105\n\n100\n\nRubidium-86\n\n10\n\nRubidium-87\n\n10\n\nRuthenium-97\n\n100\n\nRuthenium-103\n\n10\n\nRuthenium-105\n\n10\n\nRuthenium-106\n\n1\n\nSamarium-151\n\n10\n\nSamarium-153\n\n100\n\nScandium-46\n\n10\n\nScandium-47\n\n100\n\nScandium-48\n\n10\n\nSeleium-75\n\n10\n\nSilicon-31\n\n100\n\nSilver-105\n\n10\n\nSilver-110m\n\n1\n\nSilver-111\n\n100\n\nSodium-24\n\n10\n\nStrontium-85\n\n10\n\nStrontium-89\n\n1\n\nStrontium-90\n\n0.1\n\nStrontium-91\n\n10\n\nStrontium-92\n\n10\n\nSulphur-35\n\n100\n\nTantalum-182\n\n10\n\nTechnetium-96\n\n10\n\nTechnetium-97m\n\n100\n\nTechnetium-97\n\n100\n\nTechnetium-99m\n\n100\n\nTechnetium-99\n\n10\n\nTellurium-125m\n\n10\n\nTellurium127m\n\n10\n\nTellurium-127\n\n100\n\nTellurium129m\n\n10\n\nTellurium-129\n\n100\n\nTellurium-131m\n\n10\n\nTellurium-132\n\n10\n\nTerbium-160\n\n10\n\nThallium-200\n\n100\n\nThallium-201\n\n100\n\nThallium-202\n\n100\n\nThallium-204\n\n10\n\nThroium (natural)1\n\n100\n\nThulium-170\n\n10\n\nThulium-171\n\n10\n\nTin-113\n\n10\n\nTin-125\n\n10\n\nTungsten-181\n\n10\n\nTungsten-185\n\n10\n\nTungsten-187\n\n100\n\nUranium (natural)2\n\n100\n\nUranium-233\n\n.01\n\nUranium-234--Uranium-235\n\n.01\n\nVandium-48\n\n10\n\nXenon-131m\n\n1,000\n\nXenon-133\n\n100\n\nXenon-135\n\n100\n\nYtterbium-175\n\n100\n\nYttrium-90\n\n10\n\nYttrium-91\n\n10\n\nYttrium-92\n\n100\n\nYttrium-93\n\n100\n\nZinc-65\n\n10\n\nZinc-69m\n\n100\n\nZinc-69\n\n1,000\n\nZirconium-93\n\n10\n\nZirconium-95\n\n10\n\nZirconium-97\n\n10\n\nAny alpha emitting radionuclide not listed above or mixtures  of\n\nalpha emitters of unknown composition\n\n.01\n\nAny radionuclide other than alpha emitting radio-nuclides,\n\nnot listed above or mixtures of beta emitters of unknown\n\ncomposition\n\n.1\n\n1Based on alpha disintegration rate of Th-232,  Th-230, and their daughter products.\n\n2Based on alpha disintegration rate of U-238, U-234, and  U-235.\n\nNote: For purposes of  12VAC5-481-930, where there is involved a combination of isotopes in known amounts, the limit for the combination should be derived as follows: Determine, for each isotope in the combination, the ratio between the quantity present in the combination and the limit otherwise established for the specific isotope when not in combination. The sum of such ratios for all the isotopes in the combination may not exceed \"1\" (i.e., \"unity\").","path":["Title 12. Health","Agency 5. Department of Health","Chapter 481. Virginia Radiation Protection Regulations","Part XVII. Schedules","Article 7. Notification"],"source_url":"https://law.lis.virginia.gov/admincode/title12/agency5/chapter481/section3750/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:50:33Z","sha256":"37d9c65e1b70d484a16d1702ea99cc6ee92f6c1ca5be9460bf9e8b7030989a0c","source_id":"us-va-vac","stale":false,"prev":"us-va/12vac5-481-3740","next":"us-va/12vac5-481-3760"},"notice":"GroundRules: Original legal text. Not legal advice."}