Title 49
SECTION 173.425
173.425 Table of activity limits - excepted quantities and articles.
§ 173.425 Table of activity limits - excepted quantities and articles.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 limits 1 | |
|---|---|---|---|
| Limits for each instrument or article 1 | Package limits 1 | ||
| Solids: | |||
| Special form | 10−2 A1 | A1 | 10−3 A1 |
| Normal form | 10−2 A2 | A2 | 10−3 A2 |
| Liquids: | |||
| Tritiated water: | |||
| <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) | ||
| >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: | |||
| Tritium 2 | 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.