{"operation":"document","citation":"49 CFR 192.509","title":"Test requirements for pipelines to operate below 100 p.s.i. (689 kPa) gage.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"Except for service lines and plastic pipelines, each segment of a pipeline that is to be operated below 100 p.s.i. (689 kPa) gage must be leak tested in accordance with the following:\n\n(a) The test procedure used must ensure discovery of all potentially hazardous leaks in the segment being tested.\n\n","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-192-509.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-192-509.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-192-509","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-192.509","body":"Except for service lines and plastic pipelines, each segment of a pipeline that is to be operated below 100 p.s.i. (689 kPa) gage must be leak tested in accordance with the following:\n\n(a) The test procedure used must ensure discovery of all potentially hazardous leaks in the segment being tested.\n\n(b) Each main that is to be operated at less than 1 p.s.i. (6.9 kPa) gage must be tested to at least 10 p.s.i. (69 kPa) gage and each main to be operated at or above 1 p.s.i. (6.9 kPa) gage must be tested to at least 90 p.s.i. (621 kPa) gage.\n\n[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-58, 53 FR 1635, Jan. 21, 1988; Amdt. 192-85, 63 FR 37504, July 13, 1998]","truncated":false,"body_characters":669}