{"operation":"document","citation":"49 CFR 193.2517","title":"Purging.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"When necessary for safety, components that could accumulate significant amounts of combustible mixtures must be purged in accordance with a procedure which meets the provisions of the “Purging Principles and Practices (incorporated by reference, see § 193.2013)” after being taken out of service and ","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2517.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2517.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-193-2517","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2517","body":"When necessary for safety, components that could accumulate significant amounts of combustible mixtures must be purged in accordance with a procedure which meets the provisions of the “Purging Principles and Practices (incorporated by reference, see § 193.2013)” after being taken out of service and before being returned to service.\n\n[Amdt. 193-2, 45 FR 70405, Oct. 23, 1980, as amended by Amdt. 193-25, 80 FR 183, Jan. 5, 2015]","truncated":false,"body_characters":429}