{"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":null,"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:\n\n(a) Foundation and tank movement during normal operation and after a major meteorological or geophysical disturbance.\n\n(b) Inner tank lea","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2623.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2623.md"},"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:\n\n(a) Foundation and tank movement during normal operation and after a major meteorological or geophysical disturbance.\n\n(b) Inner tank leakage.\n\n(c) Effectiveness of insulation.\n\n(d) Frost heave.\n\n[Amdt. 193-2, 45 FR 70407, Oct. 23, 1980, as amended at 47 FR 32720, July 29, 1982]","truncated":false,"body_characters":442}