Schedule 1
| Group | Radionuclides within the Group | Limit in Curies |
|---|---|---|
| 1 | Radionuclides with A2 values not exceeding 0.01 curie | 2 |
| 2 | Radionuclides with A2 values exceeding 0.01 curie and not exceeding 1 curie | 20 |
| 3 | Radionuclides with A2 values exceeding 1 curie and not exceeding 100 curies | 200 |
| 4 | Radionuclides with A2 values exceeding 100 curies and less than 1,000 curies | 5,000 |
| 5 | Radionuclides with A2 values of 1,000 curies or greater | 50,000 |