CT 100PPB BENZENE 100PPB ETHYL BENZENE 100PPB M XYLENE 100PPB O XYLENE 100PPB P XYLENE 100PPB TOLUENE BALANCE NITROGEN SIZE HPI CERTIFIED STANDARD-SPEC CGA 180 RESTEK 34428-PI PRIVATE LABEL STD BTEX MIX 2 BLEND +/-20%, ACCURACY +/-20% CUSTOM MIX