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1 , <br /> COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 06/09/93 <br />#y. Project: EMCON Project No. OG71-033.01 Service Request No.: SJ93-0761 <br /> ARCO Facility No. 548 Sample Matrix: Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 503018020'California DHS LUFT Method <br /> u9yL (ppb) <br /> Sample Name: Method Blank <br />•� Date Analyzed: 06/17/93 <br /> Analyte MRL <br /> Benzene 0.5 ND <br />•,� Toluene 0.5 ND <br /> Ethylbenzene 0.5 N D <br /> Total Xylenes 0.5 ND <br /> TPH as Gasoline 50 ND <br /> Approved by: Dater <br />