CFR › Title 30 › Part 56 › §56.410030 CFR §56.4100Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkNo person shall smoke or use an open flame where flammable or combustible liquids, including greases, or flammable gases are—(a)Used or transported in a manner that could create a fire hazard; or(b)Stored or handled.