View all text of Subpart I [§ 173.401 - § 173.477]
§ 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 | A | 10 | Normal form | 10 | A | 10 | 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 | 10 | 10 | Gases: | Tritium 2 | 2 × 10 | 2 × 10 | 2 × 10 | Special form | 10 | 10 | 10 | Normal form | 10 | 10 | 10 |
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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.