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i110 2nd Aveuue South #D7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ihttp 1/www mccampbell coin E mail main@mccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> i <br /> Matnx W WorkOrder 0303442 <br /> iEPA Method SW8260B Extraction SW5030B BatchlD 6326 Spiked Sample ID 0303443-001A <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Ret: %Rec %RPD I Low I High <br /> tert-Amyl methyl ether(TAME) ND 10 938 899 423 908 901 0 716 70 130 <br />' 1,2-Dxbromoethane(ED13) ND 10 I20 114 535 119 119 0 244 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 938 912 285 851 843 0 895 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 959 825 398 764 747 224 70 130 <br /> Dusopropyl ether(DIPE) ND to 978 979 0 131 976 972 0 390 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND l0 822 807 189 817 807 126 70 130 <br />' °/aSSI 107 L00 104 104 0 668 796 791 0 584 70 130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> lie <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Perrznt <br /> Deviation <br /> NIA=not enough sample to perform matrix 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 /> analyte content <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100`(MS--MSD)I(MS+MSD)'2 <br /> 'MS and 1 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 />