Minnesota Legislature
Office of the Revisor of Statutes
Minnesota Administrative Rules
4731.3150 RADIOACTIVE MATERIALS; EMERGENCY PLAN QUANTITIES.
This part specifies 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 | 0.001 | 2 |
| Americium-242 | 0.001 | 2 |
| Americium-243 | 0.001 | 2 |
| Antimony-124 | 0.01 | 4,000 |
| Antimony-126 | 0.01 | 6,000 |
| Barium-133 | 0.01 | 10,000 |
| Barium-140 | 0.01 | 30,000 |
| Bismuth-207 | 0.01 | 5,000 |
| Bismuth-210 | 0.01 | 600 |
| Cadmium-109 | 0.01 | 1,000 |
| Cadmium-113 | 0.01 | 80 |
| Calcium-45 | 0.01 | 20,000 |
| Californium-252 | 0.001 | 9 (20 mg) |
| Carbon-14 (noncarbon dioxide) | 0.01 | 50,000 |
| Cerium-141 | 0.01 | 10,000 |
| Cerium-144 | 0.01 | 300 |
| Cesium-134 | 0.01 | 2,000 |
| Cesium-137 | 0.01 | 3,000 |
| Chlorine-36 | 0.5 | 100 |
| Chromium-51 | 0.01 | 300,000 |
| Cobalt-60 | 0.001 | 5,000 |
| Copper-64 | 0.01 | 200,000 |
| Curium-242 | 0.001 | 60 |
| Curium-243 | 0.001 | 3 |
| Curium-244 | 0.001 | 4 |
| Curium-245 | 0.001 | 2 |
| Europium-152 | 0.01 | 500 |
| Europium-154 | 0.01 | 400 |
| Europium-155 | 0.01 | 3,000 |
| Germanium-68 | 0.01 | 2,000 |
| Gadolinium-153 | 0.01 | 5,000 |
| Gold-198 | 0.01 | 30,000 |
| Hafnium-172 | 0.01 | 400 |
| Hafnium-181 | 0.01 | 7,000 |
| Holmium-166m | 0.01 | 100 |
| Hydrogen-3 | 0.5 | 20,000 |
| Iodine-125 | 0.5 | 1 |
| Iodine-131 | 0.5 | 10 |
| Indium-114m | 0.01 | 1,000 |
| Iridium-192 | 0.001 | 40,000 |
| Iron-55 | 0.01 | 40,000 |
| Iron-59 | 0.01 | 7,000 |
| Krypton-85 | 1.0 | 6,000,000 |
| Lead-210 | 0.01 | 8 |
| Manganese-56 | 0.01 | 60,000 |
| Mercury-203 | 0.01 | 10,000 |
| Molybdenum-99 | 0.01 | 30,000 |
| Neptunium-237 | 0.001 | 2 |
| Nickel-63 | 0.01 | 20,000 |
| Niobium-94 | 0.01 | 300 |
| Phosphorus-32 | 0.5 | 100 |
| Phosphorus-33 | 0.5 | 1,000 |
| Polonium-210 | 0.01 | 10 |
| Potassium-42 | 0.01 | 9,000 |
| Promethium-145 | 0.01 | 4,000 |
| Promethium-147 | 0.01 | 4,000 |
| Radium-226 | 0.001 | 100 |
| Ruthenium-106 | 0.01 | 200 |
| Samarium-151 | 0.01 | 4,000 |
| Scandium-46 | 0.01 | 3,000 |
| Selenium-75 | 0.01 | 10,000 |
| Silver-110m | 0.01 | 1,000 |
| Sodium-22 | 0.01 | 9,000 |
| Sodium-24 | 0.01 | 10,000 |
| Strontium-89 | 0.01 | 3,000 |
| Strontium-90 | 0.01 | 90 |
| Sulfur-35 | 0.5 | 900 |
| Technetium-99 | 0.01 | 10,000 |
| Technetium-99m | 0.01 | 400,000 |
| Tellurium-127m | 0.01 | 5,000 |
| Tellurium-129m | 0.01 | 5,000 |
| Terbium-160 | 0.01 | 4,000 |
| Thulium-170 | 0.01 | 4,000 |
| Tin-113 | 0.01 | 10,000 |
| Tin-123 | 0.01 | 3,000 |
| Tin-126 | 0.01 | 1,000 |
| Titanium-44 | 0.01 | 100 |
| Vanadium-48 | 0.01 | 7,000 |
| Xenon-133 | 1.0 | 900,000 |
| Yttrium-91 | 0.01 | 2,000 |
| Zinc-65 | 0.01 | 5,000 |
| Zirconium-93 | 0.01 | 400 |
| Zirconium-95 | 0.01 | 5,000 |
| Any other beta-gamma emitter | 0.01 | 10,000 |
| Mixed fission products | 0.01 | 1,000 |
| Mixed corrosion products | 0.01 | 10,000 |
| Contaminated equipment, beta-gamma | 0.001 | 10,000 |
| Irradiated material, any form other than solid noncombustible | 0.01 | 1,000 |
| Irradiated material, solid noncombustible | 0.001 | 10,000 |
| Mixed radioactive waste, beta-gamma | 0.01 | 1,000 |
| Packaged mixed waste, beta-gamma2 | 0.001 | 10,000 |
| Any other alpha emitter | 0.001 | 2 |
| Contaminated equipment, alpha | 0.0001 | 20 |
| Packaged waste, alpha2 | 0.0001 | 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 this part exceeds one.
2 Waste packaged in Type B containers does not require an emergency plan.
History:
29 SR 755; 33 SR 1440
Published Electronically:
March 12, 2009
Official Publication of the State of Minnesota
Revisor of Statutes