CFR › Title 46 › Part 154 › §154.110546 CFR §154.1105Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkEach liquefied flammable gas vessel and each liquefied toxic gas vessel must have an exterior water spray system that meets §§ 154.1110 through 154.1135.