UN1075 PETROLEUM GASES,LIQUEFIED 2.1 20 PPM ACETYLENE, 40 PPM PROPYLENE, 23 PPM PROPANE, 10 PPM METHYL ACETYLENE, 15 PPM PROPADIENE, 20 PPM CYCLOPROPANE, 40 PPM ISOBUTANE, 140 PPM 1-BUTENE, 50 PPM BUTANE, 10 PPM VINYL ACETYLENE, 150 PPM TRANS-2-BUTENE, 10 PPM ETHYL ACETYLENE, 3000 PPM CIS-2-BUTENE, 25 PPM 1,2 BUTADIENE, 50 PPM 3-METHYL-1-BUTENE, 40 PPM ISOPENTANE, 40 PPM N-PENTANE, 1,3 BUTADIENE BALANCE CERTIFIED, SIZE LP5 AL LIQUID PHASE