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' 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> EWCEampbell Analy#Ical Inc. Telephone:925-798-1620 Fax:925-796-1622 <br /> http:llwww.mccampbell.com E-mail•mainQmecampbell,com <br /> 1. <br /> • QC SUMMARY REPORT FOR SW8021B18015Cm <br /> BatchlD;2498 Matrix:W WorkOrder: 0206273 <br />' EPA Method: SW8021 BI8015Cm Extraction: SW5030B Ext. Date: 6/18/02 Spiked Sample ID: 0206274-002A <br /> Sample Spiked MS" MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%,) <br /> Compound <br /> jIgIL %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(gas) ND 60 118 116 1.34 113 111 1A 80 120 <br /> MTBE 5.492 10 95.3 93 1.57 80.8 81.2 0.40 80 120 <br /> Benzene ND 10 95.6 96,8 1,28 103 96.3 6.3 80 120 <br /> Toluene ND 10 102 104 1.47 101 98 3.2 80 120 <br />' Ethylbenzene ND 10 99.7 102 1.82 99.1 95.9 3.3 80 120 <br /> Xylenes ND 30 100 103 3.28 99.7 98.7 1.0 80 120 <br /> °/aSS 105 10 105 105 0.218 98.9 100 1.2 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br /> NONE <br /> 1 <br /> MS Matrix Spike;MSD=Matrix Spike Duplicate;ICS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount. <br />' %Recovery=100'(MS-Sample)I(Amount Spiked);RPD=100'(MS—MSD)I(MS+MSD)•2. <br /> .MS and I or MSD spike recoveries may not be near 1000%or their RPDs near 0%if a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery. <br />