Updated January 2003
Appendix J
Quantities of radioisotope packages exempt from special handling
and monitoring (10 CFR 20.205)
Packages Containing
Radioisotopes in Liquid Form:
| Hydrogen-3 |
10 mCi |
| Carbon-14 |
10 mCi |
| Sulfur-35 |
10 mCi |
| Iodine-125 |
10 mCi |
| Isotope |
Transport
Group |
Exempt
Quantity Limit |
| Antimony-125 |
III |
1 mCi |
| Barium-133 |
II |
0.1 mCi |
| Bismuth-207 |
III |
1 mCi |
| Calcium-45 |
IV |
1 mCi |
| Cesium-137 |
III |
1 mCi |
| Chlorine-36 |
III |
1 mCi |
| Chromium-51 |
IV |
1 mCi |
| Cobalt-60 |
III |
1 mCi |
| Iodine-131 |
III |
1 mCi |
| Iron-59 |
IV |
1 mCi |
| Krypton-85¹ |
III, IV |
1 mCi |
| Lead-210 |
II |
0.1 mCi |
| Manganese-54 |
IV |
1 mCi |
| Nickel-63 |
IV |
1 mCi |
| Phosphorous-32 |
IV |
1 mCi |
| Polonium-210 |
I |
0.01 mCi |
| Potassium-42 |
IV |
1 mCi |
| Radium-226 |
I |
0.01 mCi |
| Rubidium-86 |
IV |
1 mCi |
| Selenium-75 |
IV |
1 mCi |
| Sodium-22 |
III |
1 mCi |
| Strontium-90 |
II |
0.1 mCi |
| Tantalum-182 |
III |
1 mCi |
| Zirconium |
III |
1 mCi |
¹Kr-85 uncompressed, i.e., pressure not exceeding one atm is Transport Group IV.
Radioactive Material in
Other-Than-Liquid Form
Transport Group |
Exempt
Quantity Limit |
| I |
0.001 Ci |
| II |
0.05 Ci |
| III |
3 Ci |
| IV |
20 Ci |
| V |
20 Ci |
| VI |
1000 Ci |
Short Half-Life Material
Packages containing radio-nuclides with half-lives of less
than 30 days and a total quantity of no more than 1000 mCi are exempt.
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