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COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> Client: Shaw Environmental&Infrastructure,Inc Service Request: P0800887 <br /> Project: Foothill Landfill,San Joaquin County/124591 (Ground Water) <br /> Sample Matrix: Water <br /> Surrogate Recovery Summary <br /> Volatile Organic Compounds <br /> Extraction Method: EPA 5030B Units: PERCENT <br /> Analysis Method: 8260B Level: Low <br /> Sample Name Lab Code Surl Sur2 Sura <br /> MW-5 P0800887-001 107 101 96 <br /> 1 Trip Blank P0800887-002 109 100 98 <br /> Method Blank PWG0800501-4 109 101 98 <br /> Batch QC P0800877-002 108 104 104 <br /> Batch QCMS PWG0800501-1 110 101 110 <br /> Batch QCDMS PWG0800501-2 103 105 107 <br /> Lab Control Sample PWG0800501-3 109 103 108 <br /> Surrogate Recovery Control Limits(%) <br /> Surl = Dibromofluoromethane 73-129 <br /> Sur2 = Toluene-d8 76-122 <br /> Sur3 = 4-Bromofluorobenzene 63-118 <br /> Results nagged with an asterisk(*)indicate values outside control criteria. <br /> Results flagged with a pound(#)indicate the control criteria is not applicable. <br /> 17 <br /> Analyst:CCapolup Form 2A-Organic Page I of 1 <br /> Printed: 04/04/2008 18:03:14 <br /> 1':tSTEALTIP,.CRYSTAL.RPT\Fom2.ipt SuperSetReterence: RR14524 <br />