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1 <br /> 110 2nd Avenue South,ND7 Pacheco CA 94553-5560 <br />' McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http/lwww mccampbell corn E-mail main®mccampbell corn <br />' QC SUMMARY REPORT FOR SW 8260B <br />' Matrix W WorkOrder 0303448 <br /> EPA Method SW82606 Extraction SW5030B Batch1D 6329 Spiked Sample ID 0303448-0046 <br />' <br /> Compound Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng/L pg/L °,6 Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Methyl-t-butyl ether(MTBE) ND 20 107 109 2 15 824 842 217 70 130 <br />' 0/oSSl 103 100 110 111 1 0 536 98 963 ! 76 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 /> t NONE <br /> 1 • <br /> r <br /> MS=Mahtx Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> . N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> Ianalyte content <br /> %Recovery=100.(MS-Sample)/(Amount Spiked),RPD=100'(MS--MSD)/(MS+MSD)"2 <br /> MS and I 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 />