Federal & State Regulations | §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 limits¹
Nature of contents	Limits for each instrument or article¹	Package limits¹	Limited quantity package limits¹
¹For mixtures of radionuclides see §173.433(d).
²These values also apply to tritium in activated luminous paint and tritium adsorbed on solid carriers.
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:
Tritium²	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

[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]

['General Packaging Requirements - Hazmat']

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§173.425 Table of activity limits — excepted quantities and articles.