# Inspecting LNG storage tanks.

**Citation:** 49 CFR 193.2623  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Each LNG storage tank must be inspected or tested to verify that each of the following conditions does not impair the structural integrity or safety of the tank:

(a) Foundation and tank movement during normal operation and after a major meteorological or geophysical disturbance.

(b) Inner tank lea

## Document text

Each LNG storage tank must be inspected or tested to verify that each of the following conditions does not impair the structural integrity or safety of the tank:

(a) Foundation and tank movement during normal operation and after a major meteorological or geophysical disturbance.

(b) Inner tank leakage.

(c) Effectiveness of insulation.

(d) Frost heave.

[Amdt. 193-2, 45 FR 70407, Oct. 23, 1980, as amended at 47 FR 32720, July 29, 1982]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2623>
- Source ID: `ecfr`
- SHA-256: `7ef93fffc535d35a86091f4735a838847ab3694992204de86c1bdd2b044dca39`
- Retrieved: 2026-08-20T05:54:35.243Z
- Exported: 2026-08-24T02:12:03.390Z
- Document slug: `49-cfr-193-2623`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "193",
  "section": "193.2623",
  "subpart": "Subpart G—Maintenance",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```