{"operation":"document","citation":"49 CFR 192.751","title":"Prevention of accidental ignition.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"Each operator shall take steps to minimize the danger of accidental ignition of gas in any structure or area where the presence of gas constitutes a hazard of fire or explosion, including the following:\n\n(a) When a hazardous amount of gas is being vented into open air, each potential source of ignit","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-192-751.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-192-751.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-192-751","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-192.751","body":"Each operator shall take steps to minimize the danger of accidental ignition of gas in any structure or area where the presence of gas constitutes a hazard of fire or explosion, including the following:\n\n(a) When a hazardous amount of gas is being vented into open air, each potential source of ignition must be removed from the area and a fire extinguisher must be provided.\n\n(b) Gas or electric welding or cutting may not be performed on pipe or on pipe components that contain a combustible mixture of gas and air in the area of work.\n\n(c) Post warning signs, where appropriate.","truncated":false,"body_characters":581}