---
kind: "section"
citation: "49 C.F.R. § 173.421"
title: "49"
number: "173.421"
heading: "Excepted packages for limited quantities of Class 7 (radioactive) materials."
url: "https://uscodex.org/cfr/49/173.421"
---

# §173.421. Excepted packages for limited quantities of Class 7 (radioactive) materials.


A Class 7 (radioactive) material with an activity per package which does not exceed the limited quantity package limits specified in Table 4 in [§ 173.425](/cfr/49/173.425.md), and its packaging, are excepted from requirements in this subchapter for specification packaging, marking (except for the UN identification number marking requirement described in [§ 173.422(a)](/cfr/49/173.422.md?p=a)), labeling, and if not a hazardous substance or hazardous waste, shipping papers, and the requirements of this subpart if:

- (a) Each package meets the general design requirements of [§ 173.410](/cfr/49/173.410.md);
- (b) The radiation level at any point on the external surface of the package does not exceed 0.005 mSv/h (0.5 mrem/h);
- (c) The non-fixed contamination on the external surface of the package does not exceed the limits specified in [§ 173.443(a)](/cfr/49/173.443.md?p=a);
- (d) The outside of the inner packaging or, if there is no inner packaging, the outside of the packaging itself bears the marking “Radioactive;”
- (e) The package does not contain fissile material unless excepted by [§ 173.453](/cfr/49/173.453.md); and
- (f) The material is otherwise prepared for shipment as specified in accordance with [§ 173.422](/cfr/49/173.422.md).

## Notes

### Amendments

[79 FR 40613, July 11, 2014]

### Source

Source: Amdt. 173-244, 60 FR 50307, Sept. 28, 1995, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97.

### Amendments

[79 FR 40613, July 11, 2014]