StacksVerified U.S. regulatory reference

49 CFR §176.230

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Division 2.1 (flammable gas) materials transported in Specification 106A or 110A multi-unit car tanks must be stowed on deck only, and must be protected from sources of heat.