PETROLEUM GAS, LIQUEFIED (HEXANES+, N-PENTANE) 2.1 0.100% METHANE, 0.050% CARBON DIOXIDE, 0.100% ETHANE, 0.100% PROPANE, 0.400% ISO-BUTANE, 0.800% N-BUTANE, 24.500% ISO-PENTANE, 25.000% N-PENTANE, 48.95% HEXANES+ CERTIFIED, 1000CC PISTON CYL, CUSTOMER OWNED, LIQUID PHASE