{"operation":"document","citation":"49 CFR 179.400-14","title":"-14 Cleaning of inner tank.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"The interior of the inner tank and all connecting lines must be thoroughly cleaned and dried prior to use. Proper precautions must be taken to avoid contamination of the system after cleaning.","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-179-400-14.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-179-400-14.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-179-400-14","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-179.400-14","body":"The interior of the inner tank and all connecting lines must be thoroughly cleaned and dried prior to use. Proper precautions must be taken to avoid contamination of the system after cleaning.","truncated":false,"body_characters":192}