46 C.F.R. § 98.30-10
No person may smoke within 50 feet of a portable tank or IBC on the deck on which the tank is stowed.
[CGD 73-172, 39 FR 22954, June 25, 1974. Redesignated and amended by USCG-2011-0088, 78 FR 54785, 54787, Sept. 6, 2013]