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AMERICAN <br /> m <br /> LABORATORY QA/QC REPORT <br /> ANALYTICS <br /> Client: They Oil Company Sample Matrix: Soil <br /> Method, EPA 8020 (BTEX)/8015M (Gasoline), QC, Spike Date Analyzed. 12/1/92 <br /> A A. Project No : A135171-1 Date Reported: 12/16/92 <br /> Spike Spike/Duplicate <br /> Recovery Recovery RPD <br /> Compound (%) N M <br /> Benzene 88 85 3 5 <br /> Toluene 94 85 10 <br /> Ethylbenzene 96 92 4 2 <br /> . Total Xylenes 102 97 5 0 <br /> Gasoline Range Organics 79 108 1 <br /> RPD: Relative Percent Dtfference <br /> George Havallas <br /> Laboratory Director mis <br /> American Analytics 9765 Eton Avenue Chatsworth California 9 131 1 <br /> Tel ( 818 ) 998 - 5547 • ( 800 ) 533 - 8378 • Fax ( 8 18 ) 998 - 7258 <br />