49 C.F.R. § 173.425
Current through July 31, 2024
The limits applicable to instruments, articles, and limited quantities subject to exceptions under §§ 173.421 and 173.424 are set forth in table 4 as follows:
Table 4-Activity Limits for Limited Quantities, Instruments, and Articles
| Nature of contents | Instruments and articles | Limited quantity package limits1 | |
| Limits for each instrument or article1 | Package limits1 | ||
| Solids: | |||
| Special form | 10-2 A1 | A1 | 10-3 A1 |
| Normal form | 10-2 A2 | A2 | 10-3 A2 |
| Liquids: | |||
| Tritiated water: | |||
| [LESS THAN]0.0037 TBq/L (0.1 Ci/L) | 37 TBq (1,000 Ci) | ||
| 0.0037 TBq to 0.037 TBq/L (0.1 Ci to 1.0 Ci/L) | 3.7 TBq (100 Ci) | ||
| [GREATER THAN]0.037 TBq/L (1.0 Ci/L) | 0.037 TBq (1.0 Ci) | ||
| Other Liquids | 10-3 A2 | 10-1 A2 | 10-4 A2 |
| Gases: | |||
| Tritium2 | 2 * 10-2 A2 | 2 * 10-1 A2 | 2 * 10-2 A2 |
| Special form | 10-3 A1 | 10-2 A1 | 10-3 A1 |
| Normal form | 10-3 A2 | 10-2 A2 | 10-3 A2 |
1 For mixtures of radionuclides see § 173.433(d) .
2 These values also apply to tritium in activated luminous paint and tritium adsorbed on solid carriers.
49 C.F.R. §173.425