# Nonmetallic membrane liner.

**Citation:** 49 CFR 193.2187  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

A flammable nonmetallic membrane liner may not be used as an inner container in a storage tank.

[Amdt. 193-17, 65 FR 10960, Mar. 1, 2000]

## Document text

A flammable nonmetallic membrane liner may not be used as an inner container in a storage tank.

[Amdt. 193-17, 65 FR 10960, Mar. 1, 2000]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2187>
- Source ID: `ecfr`
- SHA-256: `d102149aebf1c46da4af12e909d38d712c648f641e1b8678c285982459d06ba8`
- Retrieved: 2026-08-20T05:54:35.243Z
- Exported: 2026-08-23T05:02:54.341Z
- Document slug: `49-cfr-193-2187`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "193",
  "section": "193.2187",
  "subpart": "Subpart C—Design",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```