# Specification DOT-107A \* \* \* \* seamless steel tank car tanks.

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



## Document text



## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-179.500>
- Source ID: `ecfr`
- SHA-256: `138509f02f2da4cf98046988ec43f202a0f1e0e018f4e82f3ffef2439a184aa6`
- Retrieved: 2026-08-20T05:46:20.606Z
- Exported: 2026-08-22T08:43:47.175Z
- Document slug: `49-cfr-179-500`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "179",
  "section": "179.500",
  "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"
}
```