# Tests.

**Citation:** 49 CFR 178.362-4  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2003-10-01  
**Published:** Not stated

Prior to each use, each jacket must be visually inspected for defects such as improper bonding, cracking, corrosion of steel rods, and improperly fitting closure lid, or other manufacturing defects. Particular attention must be given to any separation of the plywood discs and rings which would provi

## Document text

Prior to each use, each jacket must be visually inspected for defects such as improper bonding, cracking, corrosion of steel rods, and improperly fitting closure lid, or other manufacturing defects. Particular attention must be given to any separation of the plywood discs and rings which would provide a heat path to the inside of the jacket.

[Amdt. 178-35, 39 FR 45252, Dec. 31, 1974. Redesignated by Amdt. 178-97, 55 FR 52716, Dec. 21, 1990]

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2003-title49-vol2/CFR-2003-title49-vol2-sec178-362-4>
- Source ID: `govinfo-cfr`
- SHA-256: `8d4d62782cba272bbf2add1b4956e69e0f8e9e9394b39f9419ec5841993fcc80`
- Retrieved: 2026-08-13T06:37:29.399Z
- Exported: 2026-08-23T12:25:54.467Z
- Document slug: `49-cfr-178-362-4`

### Source metadata

```json
{
  "part": "178",
  "section": "178.362-4",
  "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"
}
```