UN1075 PETROLEUM GASES,LIQUEFIED 2.1 2.5 PPM TOTAL FLUORIDE AS FLUOROBENZENE, 2.5 PPM TOTAL CHLORIDE AS CHLOROBENZENE, 2.5 PPM TOTAL BROMIDE AS BROMOBENZENE, 2.5 PPM TOTAL SULFUR AS DIMETHYL SULFIDE, 2.5 PPM TOTAL NITROGEN AS ACETONITRILE, N-BUTANE BALANCE CERTIFIED, SIZE 33AL LIQUID PHASE