# Cleaning cars.

**Citation:** 49 CFR 174.615  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) [Reserved]

(b) After Division 6.1 (poisonous) materials are unloaded from a rail car, that car must be thoroughly cleaned unless the car is used exclusively in the carriage of Division 6.1 (poisonous) materials.

[Amdt. 174-26, 41 FR 16092, Apr. 15, 1976, as amended by Amdt. 174-68, 55 FR 52684

## Document text

(a) [Reserved]

(b) After Division 6.1 (poisonous) materials are unloaded from a rail car, that car must be thoroughly cleaned unless the car is used exclusively in the carriage of Division 6.1 (poisonous) materials.

[Amdt. 174-26, 41 FR 16092, Apr. 15, 1976, as amended by Amdt. 174-68, 55 FR 52684, Dec. 21, 1990; Amdt. 174-82, 61 FR 18933, Apr. 29, 1996]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-174.615>
- Source ID: `ecfr`
- SHA-256: `96ad00b0095b98fe87f6c7656e3160c7ffbe3a894cf0b111c55391b3f9c9015e`
- Retrieved: 2026-08-20T05:46:04.619Z
- Exported: 2026-08-23T08:58:22.329Z
- Document slug: `49-cfr-174-615`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "174",
  "section": "174.615",
  "subpart": "Subpart J—Detailed Requirements for Division 6.1 (Poisonous) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```