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 A 1 A 1 10 −3 A 1 Normal form 10 −2 A 2 A 2 10 −3 A 2 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 A 2 10 −1 A 2 10 −4 A 2 Gases: Tritium 2 2 × 10 −2 A 2 2 × 10 −1 A 2 2 × 10 −2 A 2 Special form 10 −3 A 1 10 −2 A 1 10 −3 A 1 Normal form 10 −3 A 2 10 −2 A 2 10 −3 A 2 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. [Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, as amended by Amdt. 173-244, 61 FR 20751, May 8, 1996; 63 FR 52849, Oct. 1, 1998; 65 FR 58630, Sept. 29, 2000; 66 FR 45383, Aug. 28, 2001; 69 FR 3676, Jan. 26, 2004]