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_Z71 <br /> COLUMBIA ANALYTICAL SERVICES, INC <br /> OA/QC Report .a <br /> Client EMCON Associates Date Received: 01/29/93 <br /> 16 Project. EMCON Project No OG71-019 01 Service Request No SJ93-0122 <br /> ARCO Facility No 2133 Sample Matrix Water <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> Total Petroleum Hydrocarbons as Gasoline <br /> EPA Methods 5030/California DHS LUFT Method <br /> ug/L fppbl <br /> Sample Name. E-2 (22) <br /> Date Analyzed 02/08/93 <br /> Percent Recovery <br /> Spike CAS <br /> Spike Sample Result Acceptance <br /> Analyte Level Result MS DMS IIS _DMS Criteria <br /> TPH as Gasoline 2,500 1,920. 4,550 4,760 105. 114 70-130 <br /> i <br /> TPH Total Petroleum Hydrocarbons <br /> Approved by* 4lDate: f e- T��� /�11-3 <br /> 13 <br />