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a <br /> COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 09/03/93 <br /> Project: EMCON Project No. OG71-033.01 Service Request No.: SJ93-1102 <br /> ARCO Facility No. 548 Sample Matrix: Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> ug/L (ppb) <br /> Sample Name: Method Blank <br /> Date Analyzed: 09/15/93 <br /> Analyte MRL <br /> Benzene 0.5 ND <br />�• Toluene 0.5 ND <br /> Ethyibenzene 0.5 ND <br /> Total Xylenes 0.5 ND <br /> TPH as Gasoline 50 ND <br /> r <br /> !f. <br />. Approved by: <br /> Date: L/ <br />