# Inspecting LNG storage tanks.

- **operation:** document
- **citation:** 49 CFR 193.2623
- **title:** Inspecting LNG storage tanks.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** 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
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- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2623
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2623
**body:**

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]
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- **body characters:** 442