The limits applicable to instruments, articles, and limited quantities subject to exceptions under Secs. 173.421 and 173.424 are set forth in table 4 as follows:
Table 4--Activity Limits for Limited Quantities, Instruments, and Articles----------------------------------------------------------------------------------------------------------------
Instruments and articles
---------------------------------------------
Nature of contents Limits for each Limited quantity package limits
instrument or article Package limits \1\ \1\
\1\----------------------------------------------------------------------------------------------------------------Solids:
Special form............... 10-2 A1 A1 10-3 A1
Normal form................ 10-2 A2 A2 10-3 A2Liquids:
Tritiated water:
<0.0037 TBq/L (0.1 Ci/ 37 TBq (1,000 Ci)
L).
0.0037 TBq to 0.037 TBq/ 3.7 TBq (100 Ci)
L (0.1 Ci to 1.0 Ci/L).
0.037 TBq/L 0.037 TBq (1.0 Ci)
(1.0 Ci/L).
Other Liquids.............. 10-3 A2 10-1 A2 10-4 A2Gases:
Tritium \2\................ 2 x 10-2 A2 2 x 10-1 A2 2 x 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 Sec. 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]