{"operation":"document","citation":"49 CFR 193.2413","title":"Combustion air intakes.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"1999-10-01","summary":"(a) Combustion air intakes to vaporizers must be equipped with sensing devices to detect the induction of a flammable vapor.\n\n(b) If a heated vaporizer or vaporizer heater is located in a building, the combustion air intake must be located outside the building.","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2413.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2413.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-193-2413","source_url":"https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2413","body":"(a) Combustion air intakes to vaporizers must be equipped with sensing devices to detect the induction of a flammable vapor.\n\n(b) If a heated vaporizer or vaporizer heater is located in a building, the combustion air intake must be located outside the building.","truncated":false,"body_characters":261}