UN1075 PETROLEUM GASES,LIQUEFIED 2.1 5 PPMW TOTAL FLUORIDE AS 1,2,3,4 TETRAFLUOROBENZENE, 2 PPMW TOTAL NITROGEN AS ACETONITRILE, 2 PPMW TOTAL SULFUR AS DIMETHYL SULFIDE, 2 PPMW TOTAL CHLORIDE AS CHLOROBENZENE, PROPANE BALANCE CERTIFIED, SIZE 33AL LIQUID PHASE