49 CFR 173.425 - Table of activity limits

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§ 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 10−2 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:
Tritium 2 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

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]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 49 published on 2015-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 173 after this date.

  • 2015-11-23; vol. 80 # 225 - Monday, November 23, 2015
    1. 80 FR 72914 - Hazardous Materials: Editorial Corrections and Clarifications (RRR)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Final rule.
      This regulation is effective December 23, 2015.
      49 CFR Parts 171, 172, 173, 175, 176, 177, 178 and 180
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