# Markings.

**Citation:** 49 CFR 178.352-6  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2003-10-01  
**Published:** Not stated

(a) Markings on each container, by die stamping on a metal plate attached to the outside of the outer container by spot welding, or other equally efficient method, in letters and figures of at least one-fourth inch in height, as follows:

(1) “DOT-6L”.

(2) “FISSILE RADIOACTIVE MATERIAL.”

(3) Name 

## Document text

(a) Markings on each container, by die stamping on a metal plate attached to the outside of the outer container by spot welding, or other equally efficient method, in letters and figures of at least one-fourth inch in height, as follows:

(1) “DOT-6L”.

(2) “FISSILE RADIOACTIVE MATERIAL.”

(3) Name or symbol of person making the marks specified in paragraph (a) (1) of this section. Symbol, if used, must be registered with the Associate Administrator.

(4) Gauge of metal of the outer steel drum in the thinnest part, rated capacity of the outer steel drum in gallons, and the year of manufacture of the assembled package (e.g., 18-110-68). When the gauge of the metal in the drum wall differs from that in the head, both must be indicated with a slanting line between, and with the gauge of the body indicated first (e.g., 18/16-110-68 for 18-gauge body and 16-gauge head).

(b) [Reserved]

[Order 70, 31 FR 6496, Apr. 29, 1966. Redesignated at 32 FR 5606, Apr. 5, 1967. Redesignated by Amdt. 178-97, 55 FR 52716, Dec. 21, 1990; 66 FR 45386, Aug. 28, 2001]

Editorial Note: For Federal Register citations affecting § 178.352-6, see the List of CFR Sections Affected in the Finding Aids section of the printed volume and on GPO Access.

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2003-title49-vol2/CFR-2003-title49-vol2-sec178-352-6>
- Source ID: `govinfo-cfr`
- SHA-256: `f06ad0fe0016d52b4844c7d62349d7840dd696244b4f9c1fd8e682eea9f968be`
- Retrieved: 2026-08-13T06:37:29.399Z
- Exported: 2026-08-22T03:44:14.930Z
- Document slug: `49-cfr-178-352-6`

### Source metadata

```json
{
  "part": "178",
  "section": "178.352-6",
  "subpart": "Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials",
  "annualEdition": 2003,
  "revisedAsOf": "2003-10-01",
  "govInfoPackage": "CFR-2003-title49-vol2",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```