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COLUMBIA ANALYTICAL SERVICES, INC <br /> Analytical Report <br /> Client: EMCON Associates Date Received r 08/20/93_i <br /> Project EMCON Project No OG71-051-01 Service Request No SJ93-1041 <br /> r ARCO Facility No 6020 Sample Matrix Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 503018020/California DHS LUFT Method <br /> Lu91L (ppb) <br /> 7d-r-e <br /> Sample Name �- MW-1 (39) MW-2 (37) MW-3 (361 <br /> Date Analyzed { 08/�9� 08/27/93 08/27/93 <br /> Analyte MRL <br /> Benzene 0 5 ND ND ND <br /> Toluene 0 5 ND ND ND <br /> Ethylbenzene 0 5 ND / ND ND v1 <br /> Total Xylenes 0 5 ND d ND ND <br /> TPH as Gasoline 5 ND ND ND <br /> i <br /> Sample Name MW-4 (34) Method Blank <br /> Date Analyzed 08/27/93 08/27/93 <br /> Analyte MRL <br /> 1 <br /> BenzeneQ ND ND <br /> Toluene 0 ND ND ✓ <br /> Ethylbenzene 0 ND ND <br /> Total Xylenes 0 ND ND <br /> TPH as Gasoline 5 ND ND <br /> i <br /> Approved rldR�"pp ed byDate <br /> i <br /> 3 <br /> 1921 Ringwood Avenue • Son Jose California 95131 • Telephone 408/437 2400 Fox 408/437-9356 <br />