UN1075 PETROLEUM GASES,LIQUEFIED (BUTANE, ISOBUTANE) 2.1 0.400% METHANE, 0.200% CARBON DIOXIDE, 0.400% ETHANE, 0.650% PROPANE, 22.000% ISOBUTANE, 12.400% ISOPENTANE, 10.000% N-PENTANE, 16.000% HEXANES+, 0.05% NEOPENTANE, N-BUTANE BALANCE CERTIFIED, 1000CC PISTON CYL CUSTOMER OWNED, LIQUID PHASE