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i <br /> AWAT <br /> COLUMBIA ANALYTICAL SERVICES,INC. <br /> =tea <br /> QA/QC Report <br /> Client: "EMCON Associates Service Request: 5941510 <br /> Project: TOSCO#11193 10952-091.02 Date Collected: . 11/22/94 <br /> x <br /> Sample Matrix: °'Water Date Received: 11/22/94 <br /> r Date Extracted: NA <br /> Date Analyzed: 11/28,29194 <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 503018020/California DHS LUFF Method <br /> I <br /> i <br /> I <br /> i <br /> Percent Recovery <br /> Sample Name Lab Code oc,oc,a-Trifluorotoluene <br /> 11193-THP1 W-25 5941510-007 101 7 <br /> 11193-THP2W-21 5941510-008 101 <br /> Method Blank 5941128-WB 102 <br /> Method Blank 5941129-WB 109 } <br /> i <br /> 1 <br /> " <br /> CAS Acceptance Limits: 69-116 <br /> Approved By: . �' k!� '� Date: � y <br /> SURIM67"4 <br />