US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 90 — GENERAL PROVISIONSSubpart 90.10—Definition of Terms Used in This Subchapter90.10-1246 C.F.R. § 90.10-12Gas free.Last amended: 2016Year: 2026Length: 12 wordsOfficial source Cite as 46 C.F.R. § 90.10-12 (2026)This term means free from dangerous concentrations of flammable or toxic gases.Previous46 C.F.R. § 90.10-11Next46 C.F.R. § 90.10-13