49 C.F.R. § 173.425

Current through May 31, 2024

Section 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	10-2A1	A1	10-3A1
Normal form	10-2A2	A2	10-3A2
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	10-3A2	10-1A2	10-4A2
Gases:
Tritium 2	2 * 10-2A2	2 * 10-1A2	2 * 10-2A2
Special form	10-3A1	10-2A1	10-3A1
Normal form	10-3A2	10-2A2	10-3A2

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

Amdt. 173-244, 60 FR 50307, 9/28/1995, as amended by Amdt. 173-244, 61 FR 20751, 5/8/1996; 63 FR 52849, 10/1/1998; 65 FR 58630, 9/29/2000; 66 FR 45383, 8/28/2001; 69 FR 3676, 1/26/2004