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' I 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc I Telephone 925 798 1620 Fax 925-798-1622 <br /> http 1lwww mccampbell com E mail main r@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> BatchlD 2192 Matnx W Workorder- 0205441 <br />' EPA Method SW8260B Extraction SW5030B Ext Date 5131102 Spiked Sample ID 0205441-0048 <br /> Sample Spiked MS- MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Crilena(%) <br /> Compound <br />' i pg1L lig/L %Rec % Rae %RPD %Ree %Rec %RPD Low High <br /> Dusopropyl ether(DIPS) ND 10 110 124 124 124 123 1 079 ! 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND i 10 106 I 127 178 119 120 10 I 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 974 117 181 114 114 0 038 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 988 116 157 112 111 1 025 70 130 <br />' %SS 109 10 109 i 117 7 87 109 107 19 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 /> s <br /> IM <br /> 1 <br /> i <br /> w - <br /> MS=M8mx 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 or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MS-Sample)!(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br />' analyte <br /> and 1 or MSD spike recoveries may not be near 100%or the RPDs near O%if a)the sample m inhomogenous AND contains significant concentrations of <br /> 0 analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> 1 ` <br />