UN1075 PETROLEUM GASES,LIQUEFIED 2.1 0.40% METHANE, 0.20% CARBON DIOXIDE, 0.40% ETHANE, 0.65% PROPANE, 22.10% ISOBUTANE, 0.05% NEOPENTANE, 12.50% ISOPENTANE, 10.00% N-PENTANE, 16.25% HEXANES+, N-BUTANE BALANCE CERTIFIED, 1000CC PISTON CYL CUSTOMER OWNED, LIQUID PHASE