# b Specification 2S; inner nonrefillable plastic receptacles.

**Citation:** 49 CFR 178.33b  
**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-178.33b>
- Source ID: `ecfr`
- SHA-256: `3a6b691ec2a0d25c375c3a528001ffd9ccf083649ac4b40803695d7184baa000`
- Retrieved: 2026-08-20T05:46:20.151Z
- Exported: 2026-08-23T04:27:18.482Z
- Document slug: `49-cfr-178-33b`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "178",
  "section": "178.33b",
  "subpart": "Subpart B—Specifications for Inside Containers, and Linings",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```