# -15 Handling of tanks failing in tests.

**Citation:** 49 CFR 179.500-15  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) Tanks rejected for failure in any of the tests prescribed may be reheat-treated, and will be acceptable if subsequent to reheat-treatment they are subjected to and pass all of the tests.

(b) [Reserved]

## Document text

(a) Tanks rejected for failure in any of the tests prescribed may be reheat-treated, and will be acceptable if subsequent to reheat-treatment they are subjected to and pass all of the tests.

(b) [Reserved]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-179.500-15>
- Source ID: `ecfr`
- SHA-256: `b79d27520661fd71d654493ad7ecf9860811b5c28dbc4b208b1a1f5878985b04`
- Retrieved: 2026-08-20T05:46:20.606Z
- Exported: 2026-08-26T05:34:59.577Z
- Document slug: `49-cfr-179-500-15`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "179",
  "section": "179.500-15",
  "subpart": "Subpart F—Specification for Cryogenic Liquid Tank Car Tanks and Seamless Steel Tanks (Classes DOT-113 and 107A)",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```