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' 110 2nd Avenue South,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> httpJ/www mccampbell corn limed mam@ynceampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> BatehlD 2393 Matrix W WorkOrder 0206152 <br />' EPA Method SW8260B Extraction SW5030B Ext Date 6/11/02 Spiked Sample ID 0206152-001 B <br /> Sample Spiked MS` MSD` MS-MSD- LCS. LCSD LCS-LCSD Acceptance Critena(°�) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Dusopropyl ether(DIPE) ND t0 129 115 112 108 110 17 70 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 122 107 128 102 103 092 70 130 <br /> Methyl-t-butyl ether(MTBE) ND to 103 895 139 85 1 849 031 70 130 <br /> tort-Amy[methyl ether(TAME) ND 10 115 103 112 967 978 12 70 130 <br />' %SS 966 10 966 102 5 19 100 102 16 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> 1 <br /> 1 <br /> MS=Matrix 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 perforin matrix spike or analyte concentration in sample exceeds spike amount <br />' %Recovery=100*(MS-Sample)/(Amount Spiked[,RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> . anatyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> 1 <br />