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COLUMBIA ANALYTICAL SERVICES,INC. <br /> Analytical Report <br /> Client EMCON Assorcates Service Request: 5941002 <br /> Project Federated Franks-Exxon/2520-100 01 Date Collected: 912194 <br /> Sample Matrix* Water Date Received: 916194 <br /> Date Extracted: NA <br /> Date Analyzed: 9114194 <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> TPH as Ethyl- Xylenes, <br /> Analyte Gasoline Benzene Toluene benzene Total <br /> Units ug/L(ppb) ug/L(ppb) ug/L(ppb) ug/L(ppb) ug/L(ppb) <br /> Method Reporting Lirrut 50 05 05 05 05 <br /> Sample Name Lab Code <br /> DW-2 S941002-012 ND ND ND ND ND <br /> Method Blank S940914-WB ND ND ND ND ND <br /> 54/' <br /> Approved By ' C L Date � � <br /> 5AB7'xGASl061694 <br /> Page 3 of 4 <br /> 1921 Ringwood Avenue • Son Jose California 95131 • Telephone 4081437 2400 Fax 4081437 9356 <br />