CH 1% 1 BUTENE 1% ETHANE 1% N BUTANE 2% 1 HEXENE 2% ISOPENTANE 2% PROPANE 4.9% HYDROGEN 11% ETHYLENE 30% METHANE BALANCE NITROGEN SIZE 350 LP CERTIFIED HYDROCARBON CGA 510 EXXONMOBIL BEAUMONT ITEM # PE107 PURCHASE ORDER NUMBER ON COA/LABEL +/-5% BLEND +/-2% ANALYTICAL CUSTOM MIX