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COLUMBIA ANALYTICAL SERVICES,INC <br /> Analytical Report <br /> Client. EMCON Service Request: 5950638 <br /> Prosect ARCO Facility No 760/EMCON Project No 1775-212 001 Date Collected 5/16/95 <br /> Sample Matrix Water Date Received, 5/18/95 <br /> Date Extracted. NA <br /> Date Analyzed. 5/23/95 <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/Califorrua 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 Limit 50 05 05 05 05 <br /> Sample Name Lab Code <br /> MW-1 (72) 5950638-001 240 ND <2* <2* 15 <br /> MW-2 (73) 5950638-002 150 ND <2* <0 7* 0 6 <br /> MW-3 (73) S950638-003 130 ND <0 9* ND 0 5 <br /> Method Blank 5950523-WB1 ND ND ND ND ND <br /> i <br /> * Raised MRL due to matrix interference <br /> Approved By Date L <br /> SABTXGASl061694 <br /> r rr fi <br /> 06M XLS WRbkx 5130145 Page No <br /> 1921 Ringwood Avenue • San Jose California 95131 • Telephone 408/437 2400 • Fox 4081437 9356 <br />