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1 <br /> 1 -- <br /> COLUMBIA ANALYTICAL SERVICES. INC <br /> • Analytical Repoli <br /> 1 Client: EMCON Associates Date Received 10!08/92 <br /> 1 Project EMCON Project No OG71-029 01 Work Order #- SJ92-1247 <br /> Arco Facility No 2130 Sample Matrix: Water <br /> 1 <br /> 1 <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/DHS LUFT Method <br /> Ng/L Ippb1 <br /> 1 <br /> 1 <br /> Sample Name Method Blank <br /> 1 Date Analyzed 10/13/92 <br /> Analyte MRL <br /> Benzene 0 5 ND <br /> • Toluene 0 5 ND <br /> Ethyibenzene 0 5 ND <br /> Total Xylenes 0 5 ND <br /> TPH as Gasoline 50 ND <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br /> ND None Detected at or above the method reporting limit <br /> Approved by lk `LC,GtwfmttX4Date <br />