method relates to the determination of lead, tetraethyl lead (TEL) and tetramethyl lead (TML) in commercial gasoline in different places in Kurdistan region – Iraq by dual extraction apparatus and titration was proposed. The lead was extracted by dual extraction apparatus; gasoline, gas oil, iodine monochloride solution and concentrated hydrochloric acid used for extraction. The time required for an extraction is about 45 minutes. The lead content was estimated by titration with the standard EDTA solution at PH 5. The research aimed to determine concentration levels of lead in gasoline available in the local gasoline stations.