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COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> ' Client: Shaw Environmental&Infrastructure,Inc Service Request: P0802842 <br /> Project: Foothill Landfill,San Joaquin County/124591 (Resample) <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 Sur3 <br /> MW-2R P0802842-001 108 95 92 <br /> TRIP BLANK P0802842-002 108 96 92 <br /> Method Blank PWG0801105-4 107 95 92 <br /> Batch QC P0802913-001 108 97 90 <br /> Batch QCMS PWG0801105-1 106 98 97 <br /> Batch QCDMS PWG0801105-2 109 99 101 <br /> Lab Control Sample PWG0801105-3 104 98 98 <br /> Surrogate Recovery Control Limits(%) <br /> Surl = Dibromofluoromethane 75-124 <br /> Sur2 = Toluene-d8 74-125 <br /> Sur3 = 4-Bromofluorobenzene 65-126 <br /> Results nagged with an asterisk(*)indicate values outside control criteria. <br /> Results flagged with a pound(#)indicate the control criteria is not applicable. 1 <br /> Analyst:KMiller Form 2A-Organic Page I of 1 <br /> Printed: 09/11/2008 12:09:35 <br /> P:\.STEALTA\CRYSTAL.RPT\Form2.rpt SuperSetReference: RR 14944 <br />