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COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report . ; ,4 <br /> • <br /> Client- EMCON Associates Date Received 08/26/92 - <br /> Project. EMCON Project No G71-38 01 Work Order # SJ92-1071 <br /> Arco Facility No 2168 Sample Matrix Water <br /> 6TEX and TPH as Gasoline <br /> EPA Methods 5030/8020/DHS LUFT Method <br /> jrg/L (ppb) <br /> Sample Name MW-1 4) MW-2 (53) MW-3 l541 <br /> Date Analyzed 08/31/92 08131192• 08131/92 <br /> Analyte MRL <br /> Benzene 0 5 4,100 2,400 15,000 <br /> Toluene 0 5 330 1,100 9,400 <br /> Ethylbenzene 0 5 310 110 2,300 <br /> Total Xylenes 0 5 490 600 2,300 <br /> TPH as Gasoline 50 14,000 12,000 77,000 <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br /> This sample was part of the analytical batch started on August 31, 1992 However, it was analyzed <br /> I after midnight so the actual date analyzed is September 1, 1992 <br /> M <br /> Approved by OA6A F-Yzi, -- -- ._ --Date '7 <br /> 1 <br /> 3 <br />