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COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 03/05/93 <br /> Project: EMCON Project No. OG71-033.01 Service Request No.: SJ93-0322 <br /> e4 , <br /> ARCO Facility No. 548 Sample Matrix: Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> lig/l- (ppb) <br />• <br /> Sample Name: Mgh9d Blank <br /> Date Analyzed: 03/10/93 <br /> Analyte MRI <br />• Benzene 0.5 ND <br /> Toluene 0.5 ND <br /> Ethylbenzene 0.5 ND <br /> Total Xylenes 0.5 ND <br /> TPH as Gasoline 50 ND <br />• <br />• <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br /> ND None Detected at or above the method reporting limit <br /> i <br /> Approved by: Date: — -Ar( ' `b �n <br />• <br /> .�,. ... . . . .3. <br />