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Home > Electronic Reading Room > Document Collections > NRC Regulations (10 CFR) > Part Index > Radionuclides > Thorium-227
Thorium-227
Atomic No. |
Radionuclide |
Class |
Table 1 Occupational Values |
Table 2 Effluent Concentrations |
Table 3 Releases to Sewers |
| Col. 1 |
Col. 2 |
Col. 3 |
Col. 1 |
Col. 2 |
Oral Ingestion ALI (µCi) |
Inhalation |
Air (µCi/ml) |
Water (µCi/ml) |
Monthly Average Concentration (µCi/ml) |
ALI (µCi) |
DAC (µCi/ml) |
| 90 |
Thorium-227 |
W, see 226Th |
1E+2 |
3E-1 |
1E-10 |
5E-13 |
2E-6 |
2E-5 |
| Y, see 226Th |
- |
3E-1 |
1E-10 |
5E-13 |
- |
- |
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