Site Feedback

Title 49

Displaying title 49, up to date as of 9/16/2021. Title 49 was last amended 9/13/2021.

Title 49

eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

§ 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
Limits for each instrument or article1 Package limits1
Solids:
Special form 10−2 A1 A1 10−3 A1
Normal form 10−2 A2 A2 10−3 A2
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 A2 10−1 A2 10−4 A2
Gases:
Tritium2 2 × 10−2 A2 2 × 10−1 A2 2 × 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

[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]