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r <br /> r <br /> COLUMBIA ANALYTICAL SERVICES,INC. 5r-Z& <br /> QA/QC Report <br /> Client 1rMCON Associates Service Request: S941510 <br /> ° Date Collected: 11/22/94 <br /> Project, TOSCO <br /> #11193 !09 <br /> 52-091 A2 <br /> Sample Matrix: Soil Date Received: 11/22/94 <br /> Date Extracted: NA j <br /> Date Analyzed: 11/30,12/i/94 <br /> Surrogate Recovery Sununary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFr Method <br /> J. Percent Recovery <br /> Sample Name Lab Code a,a,a-Trifluorotoluene <br /> 11193-TPH 15-10 5941510-001 92 <br /> 11193-TPH 1 S-15 5941510-002 102 <br /> 11193-TPH2S-10 5941510-003 98 W • } <br /> 11193-TPH2S-15 5941510-004 61 <br /> Method Blank 5941130-SB 114 <br /> CAS Acceptance Limits: 51-137 <br /> Approved By: r Date: <br /> stltttro5l�e <br /> =l <br />