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' COLUMBIA ANALYTICAL SERVICES, INC - <br /> Analytical Report <br /> Client EMCON Associates Date Received 04/24/92 <br /> Project EMCON Project No G71-19 01 Work Order # SJ92-0494 <br /> . Arco Facility No 2133 Sample Matrix Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/DHS LUFT Method <br /> Ng/L Ippb1 <br /> Sample Name E-7 18 E-8 1231 E-9 1 <br /> Date Analyzed 05/01192 05101/92 05/01/92 <br /> Analyle MRL <br /> Benzene 0 5 <2 1 • 93 170 <br /> Toluene 0 5 <3 2' <2 5• 9 8 <br /> Ethylbenzene 0 5 <1 90 3 7 50 <br /> Total Xylenes 0 5 <1 9• 5 3 120 <br /> TPH as Gasoline 50 500 1,200 3,600 <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br /> ND None Detected at or above the method reporting limit <br /> • Raised MRL due to matrix interference <br /> Approved by ��(� �f Date <br /> -. <br /> 3 <br /> Tat.-t r Ar)QFA'17 ')AOO • my SnPkf,4'17 015A <br />