49 CFR Part 192 · Subpart G§ 192.311 Repair of plastic pipe.Snapshot 2026-07-23 · View source on eCFR Each imperfection or damage that would impair the serviceability of plastic pipe must be repaired or removed. [!quote] Source citation [Amdt. 192-93, 68 FR 53900, Sept. 15, 2003]