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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 />' http//www mccampbell corn E-mail main a mccampbell corn <br /> a <br /> QC SUMMARY REPORT FOR SW8260H <br /> BatchiD 2192 Matrix W WorkOrder 0205439 <br />' EPA Method SW8260B Extraction SW5030B Ext Date 5131102 Spiked Sample ID 0205441-004B <br /> Sample Spiked MS* MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria{%} <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> Dtusopropyl ether(RIPE) ND 10 1 t 0 124 124 124 123 079 70 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 106 127 178 119 120 1 0 70 130 <br /> Methyl-t-butyl ether(MTBE) ND t0 974 117 1&1 114 114 4 038 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 988 116 157 112 111 025 70 130 <br />' %SS 109 10 109 117 787 109 107 19 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 /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> I Deviation <br /> N/A=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=1;00*(MS—MSD)I(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 /> I <br />