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110 2nd Avenue South,tlD7,Pacheco,CA 94553-5560 <br /> L 44 McCampbell Analytical Inc Telephone 925-798-1620 Fan 925-798-1622 <br /> hup/lwww mcc.pbell com E-mad main r(r c. a.pbtll com <br /> • QC SUMMARY REPORT FOR SW8260B <br />' Matrix W WorkOrder 0209081 <br /> EPA Method SW8260B Extraction SW50308 BatchlD 3856 Spiked Sample ID 0209083-0118 <br /> Sample <br /> Compound Spiked MS" MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Crdena(%) <br />' <br /> NgIL <br /> pg/L. % Rea %Rea %RPD %Rec % Rea %RPD Low High <br /> Methyl-t-butyl ether(MTBE) ND 10 102 104 203 87 868 0 148 70 130 <br /> %SSI 103 too t01 103 264 115 113 238 70 130 <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 /> I <br />� i <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> MS=MaVix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)!(MS+MSD)-2 <br /> I -MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />