Description COMPONENTS CONCENTRATION NITROGEN 9.00% CARBON DIOXIDE 3.00% METHANE BALANCE ETHANE 3.00% PROPANE 1.00% ISO-BUTANE 0.40% N-BUTANE 1.00% NEOPENTANE 0.10% ISO-PENTANE 0.20% N-PENTANE 0.40% HEXANE 0.05% HEPTANE - -