US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter I — PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 195 — TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINESubpart D — Construction195.22449 C.F.R. § 195.224Welding: Weather.Last amended: 2016Year: 2026Length: 16 wordsOfficial source Cite as 49 C.F.R. § 195.224 (2026)Welding must be protected from weather conditions that would impair the quality of the completed weld.Previous49 C.F.R. § 195.222Next49 C.F.R. § 195.226