UN1954 COMPRESSED GAS,FLAMMABLE, N.O.S. (METHANE, ETHANE) 2.1 250 PPM N-OCTANE, 750 PPM N-HEPTANE, 0.1500% N-HEXANE, 0.50% ISOPENTANE, 0.50% N-PENTANE, 1.2% NITROGEN, 2.5% ISOBUTANE, 2.0% N-BUTANE, 1.2% CARBON DIOXIDE, 11.0% ETHANE, 9.65% PROPANE, 71.2% METHANE CERTIFIED, SIZE LP5 CUSTOMER OWNED CYLINDER