{"operation":"document","citation":"49 CFR 192.59","title":"Plastic pipe.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) New plastic pipe is qualified for use under this part if:\n\n(1) It is manufactured in accordance with a listed specification;\n\n(2) It is resistant to chemicals with which contact may be anticipated; and\n\n(3) It is free of visible defects.\n\n(b) Used plastic pipe is qualified for use under this par","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-192-59.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-192-59.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-192-59","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-192.59","body":"(a) New plastic pipe is qualified for use under this part if:\n\n(1) It is manufactured in accordance with a listed specification;\n\n(2) It is resistant to chemicals with which contact may be anticipated; and\n\n(3) It is free of visible defects.\n\n(b) Used plastic pipe is qualified for use under this part if:\n\n(1) It was manufactured in accordance with a listed specification;\n\n(2) It is resistant to chemicals with which contact may be anticipated;\n\n(3) It has been used only in gas service;\n\n(4) Its dimensions are still within the tolerances of the specification to which it was manufactured; and\n\n(5) It is free of visible defects.\n\n(c) For the purpose of paragraphs (a)(1) and (b)(1) of this section, where pipe of a diameter included in a listed specification is impractical to use, pipe of a diameter between the sizes included in a listed specification may be used if it:\n\n(1) Meets the strength and design criteria required of pipe included in that listed specification; and\n\n(2) Is manufactured from plastic compounds which meet the criteria for material required of pipe included in that listed specification.\n\n(d) Rework and/or regrind material is not allowed in plastic pipe produced after March 6, 2015 used under this part.\n\n[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-19, 40 FR 10472, Mar. 6, 1975; Amdt. 192-58, 53 FR 1635, Jan. 21, 1988; Amdt. 192-119, 80 FR 180, Jan. 5, 2015; Amdt. 192-124, 83 FR 58716, Nov. 20, 2018]","truncated":false,"body_characters":1444}