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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> 7mcc <br /> ampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 A--# <br /> http//www mecampbell com E mail main@r nccampbell corn <br /> i. QC SUMMARY REPORT FOR SW8260B <br /> BatchlD 2363 Matrix W WorkOrder 0206147 <br />' EPA Method SW8260B Extraction SW5030B Ext Date 6110/02 Spiked Sample ID 0206133-011B <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 /> Dusopropyl ether(DIPS) ND to 949 93 1 191 107 109 2 1 70 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 908 881 302 102 103 1 7 70 130 <br /> Methyl-t-butyl ether(WRE) ND 10 794 761 430 862 867 061 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 974 84 395 972 99 18 70 130 <br />' %SS 995 10 995 98 1 53 991 998 073 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 /> MS=Matrix 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 matrix spike or analyte concentration in sample exceeds spike amount <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)'2 <br />' -MS and I or MSD spike recoveries may not be near 100%or the RPOs 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 />